| File: | src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c |
| Warning: | line 2353, column 13 Access to field 'def_regular' results in a dereference of a null pointer (loaded from variable 'h') |
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| 1 | /* X86-64 specific support for 64-bit ELF | |||
| 2 | Copyright 2000, 2001, 2002, 2003, 2004, 2005, 2006 | |||
| 3 | Free Software Foundation, Inc. | |||
| 4 | Contributed by Jan Hubicka <jh@suse.cz>. | |||
| 5 | ||||
| 6 | This file is part of BFD, the Binary File Descriptor library. | |||
| 7 | ||||
| 8 | This program is free software; you can redistribute it and/or modify | |||
| 9 | it under the terms of the GNU General Public License as published by | |||
| 10 | the Free Software Foundation; either version 2 of the License, or | |||
| 11 | (at your option) any later version. | |||
| 12 | ||||
| 13 | This program is distributed in the hope that it will be useful, | |||
| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |||
| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |||
| 16 | GNU General Public License for more details. | |||
| 17 | ||||
| 18 | You should have received a copy of the GNU General Public License | |||
| 19 | along with this program; if not, write to the Free Software | |||
| 20 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ | |||
| 21 | ||||
| 22 | #include "bfd.h" | |||
| 23 | #include "sysdep.h" | |||
| 24 | #include "bfdlink.h" | |||
| 25 | #include "libbfd.h" | |||
| 26 | #include "elf-bfd.h" | |||
| 27 | ||||
| 28 | #include "elf/x86-64.h" | |||
| 29 | ||||
| 30 | /* In case we're on a 32-bit machine, construct a 64-bit "-1" value. */ | |||
| 31 | #define MINUS_ONE(~ (bfd_vma) 0) (~ (bfd_vma) 0) | |||
| 32 | ||||
| 33 | /* The relocation "howto" table. Order of fields: | |||
| 34 | type, rightshift, size, bitsize, pc_relative, bitpos, complain_on_overflow, | |||
| 35 | special_function, name, partial_inplace, src_mask, dst_mask, pcrel_offset. */ | |||
| 36 | static reloc_howto_type x86_64_elf_howto_table[] = | |||
| 37 | { | |||
| 38 | HOWTO(R_X86_64_NONE, 0, 0, 0, FALSE, 0, complain_overflow_dont,{ (unsigned) R_X86_64_NONE, 0, 0, 0, 0, 0, complain_overflow_dont , bfd_elf_generic_reloc, "R_X86_64_NONE", 0, 0x00000000, 0x00000000 , 0 } | |||
| 39 | bfd_elf_generic_reloc, "R_X86_64_NONE", FALSE, 0x00000000, 0x00000000,{ (unsigned) R_X86_64_NONE, 0, 0, 0, 0, 0, complain_overflow_dont , bfd_elf_generic_reloc, "R_X86_64_NONE", 0, 0x00000000, 0x00000000 , 0 } | |||
| 40 | FALSE){ (unsigned) R_X86_64_NONE, 0, 0, 0, 0, 0, complain_overflow_dont , bfd_elf_generic_reloc, "R_X86_64_NONE", 0, 0x00000000, 0x00000000 , 0 }, | |||
| 41 | HOWTO(R_X86_64_64, 0, 4, 64, FALSE, 0, complain_overflow_bitfield,{ (unsigned) R_X86_64_64, 0, 4, 64, 0, 0, complain_overflow_bitfield , bfd_elf_generic_reloc, "R_X86_64_64", 0, (~ (bfd_vma) 0), ( ~ (bfd_vma) 0), 0 } | |||
| 42 | bfd_elf_generic_reloc, "R_X86_64_64", FALSE, MINUS_ONE, MINUS_ONE,{ (unsigned) R_X86_64_64, 0, 4, 64, 0, 0, complain_overflow_bitfield , bfd_elf_generic_reloc, "R_X86_64_64", 0, (~ (bfd_vma) 0), ( ~ (bfd_vma) 0), 0 } | |||
| 43 | FALSE){ (unsigned) R_X86_64_64, 0, 4, 64, 0, 0, complain_overflow_bitfield , bfd_elf_generic_reloc, "R_X86_64_64", 0, (~ (bfd_vma) 0), ( ~ (bfd_vma) 0), 0 }, | |||
| 44 | HOWTO(R_X86_64_PC32, 0, 2, 32, TRUE, 0, complain_overflow_signed,{ (unsigned) R_X86_64_PC32, 0, 2, 32, 1, 0, complain_overflow_signed , bfd_elf_generic_reloc, "R_X86_64_PC32", 0, 0xffffffff, 0xffffffff , 1 } | |||
| 45 | bfd_elf_generic_reloc, "R_X86_64_PC32", FALSE, 0xffffffff, 0xffffffff,{ (unsigned) R_X86_64_PC32, 0, 2, 32, 1, 0, complain_overflow_signed , bfd_elf_generic_reloc, "R_X86_64_PC32", 0, 0xffffffff, 0xffffffff , 1 } | |||
| 46 | TRUE){ (unsigned) R_X86_64_PC32, 0, 2, 32, 1, 0, complain_overflow_signed , bfd_elf_generic_reloc, "R_X86_64_PC32", 0, 0xffffffff, 0xffffffff , 1 }, | |||
| 47 | HOWTO(R_X86_64_GOT32, 0, 2, 32, FALSE, 0, complain_overflow_signed,{ (unsigned) R_X86_64_GOT32, 0, 2, 32, 0, 0, complain_overflow_signed , bfd_elf_generic_reloc, "R_X86_64_GOT32", 0, 0xffffffff, 0xffffffff , 0 } | |||
| 48 | bfd_elf_generic_reloc, "R_X86_64_GOT32", FALSE, 0xffffffff, 0xffffffff,{ (unsigned) R_X86_64_GOT32, 0, 2, 32, 0, 0, complain_overflow_signed , bfd_elf_generic_reloc, "R_X86_64_GOT32", 0, 0xffffffff, 0xffffffff , 0 } | |||
| 49 | FALSE){ (unsigned) R_X86_64_GOT32, 0, 2, 32, 0, 0, complain_overflow_signed , bfd_elf_generic_reloc, "R_X86_64_GOT32", 0, 0xffffffff, 0xffffffff , 0 }, | |||
| 50 | HOWTO(R_X86_64_PLT32, 0, 2, 32, TRUE, 0, complain_overflow_signed,{ (unsigned) R_X86_64_PLT32, 0, 2, 32, 1, 0, complain_overflow_signed , bfd_elf_generic_reloc, "R_X86_64_PLT32", 0, 0xffffffff, 0xffffffff , 1 } | |||
| 51 | bfd_elf_generic_reloc, "R_X86_64_PLT32", FALSE, 0xffffffff, 0xffffffff,{ (unsigned) R_X86_64_PLT32, 0, 2, 32, 1, 0, complain_overflow_signed , bfd_elf_generic_reloc, "R_X86_64_PLT32", 0, 0xffffffff, 0xffffffff , 1 } | |||
| 52 | TRUE){ (unsigned) R_X86_64_PLT32, 0, 2, 32, 1, 0, complain_overflow_signed , bfd_elf_generic_reloc, "R_X86_64_PLT32", 0, 0xffffffff, 0xffffffff , 1 }, | |||
| 53 | HOWTO(R_X86_64_COPY, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,{ (unsigned) R_X86_64_COPY, 0, 2, 32, 0, 0, complain_overflow_bitfield , bfd_elf_generic_reloc, "R_X86_64_COPY", 0, 0xffffffff, 0xffffffff , 0 } | |||
| 54 | bfd_elf_generic_reloc, "R_X86_64_COPY", FALSE, 0xffffffff, 0xffffffff,{ (unsigned) R_X86_64_COPY, 0, 2, 32, 0, 0, complain_overflow_bitfield , bfd_elf_generic_reloc, "R_X86_64_COPY", 0, 0xffffffff, 0xffffffff , 0 } | |||
| 55 | FALSE){ (unsigned) R_X86_64_COPY, 0, 2, 32, 0, 0, complain_overflow_bitfield , bfd_elf_generic_reloc, "R_X86_64_COPY", 0, 0xffffffff, 0xffffffff , 0 }, | |||
| 56 | HOWTO(R_X86_64_GLOB_DAT, 0, 4, 64, FALSE, 0, complain_overflow_bitfield,{ (unsigned) R_X86_64_GLOB_DAT, 0, 4, 64, 0, 0, complain_overflow_bitfield , bfd_elf_generic_reloc, "R_X86_64_GLOB_DAT", 0, (~ (bfd_vma) 0), (~ (bfd_vma) 0), 0 } | |||
| 57 | bfd_elf_generic_reloc, "R_X86_64_GLOB_DAT", FALSE, MINUS_ONE,{ (unsigned) R_X86_64_GLOB_DAT, 0, 4, 64, 0, 0, complain_overflow_bitfield , bfd_elf_generic_reloc, "R_X86_64_GLOB_DAT", 0, (~ (bfd_vma) 0), (~ (bfd_vma) 0), 0 } | |||
| 58 | MINUS_ONE, FALSE){ (unsigned) R_X86_64_GLOB_DAT, 0, 4, 64, 0, 0, complain_overflow_bitfield , bfd_elf_generic_reloc, "R_X86_64_GLOB_DAT", 0, (~ (bfd_vma) 0), (~ (bfd_vma) 0), 0 }, | |||
| 59 | HOWTO(R_X86_64_JUMP_SLOT, 0, 4, 64, FALSE, 0, complain_overflow_bitfield,{ (unsigned) R_X86_64_JUMP_SLOT, 0, 4, 64, 0, 0, complain_overflow_bitfield , bfd_elf_generic_reloc, "R_X86_64_JUMP_SLOT", 0, (~ (bfd_vma ) 0), (~ (bfd_vma) 0), 0 } | |||
| 60 | bfd_elf_generic_reloc, "R_X86_64_JUMP_SLOT", FALSE, MINUS_ONE,{ (unsigned) R_X86_64_JUMP_SLOT, 0, 4, 64, 0, 0, complain_overflow_bitfield , bfd_elf_generic_reloc, "R_X86_64_JUMP_SLOT", 0, (~ (bfd_vma ) 0), (~ (bfd_vma) 0), 0 } | |||
| 61 | MINUS_ONE, FALSE){ (unsigned) R_X86_64_JUMP_SLOT, 0, 4, 64, 0, 0, complain_overflow_bitfield , bfd_elf_generic_reloc, "R_X86_64_JUMP_SLOT", 0, (~ (bfd_vma ) 0), (~ (bfd_vma) 0), 0 }, | |||
| 62 | HOWTO(R_X86_64_RELATIVE, 0, 4, 64, FALSE, 0, complain_overflow_bitfield,{ (unsigned) R_X86_64_RELATIVE, 0, 4, 64, 0, 0, complain_overflow_bitfield , bfd_elf_generic_reloc, "R_X86_64_RELATIVE", 0, (~ (bfd_vma) 0), (~ (bfd_vma) 0), 0 } | |||
| 63 | bfd_elf_generic_reloc, "R_X86_64_RELATIVE", FALSE, MINUS_ONE,{ (unsigned) R_X86_64_RELATIVE, 0, 4, 64, 0, 0, complain_overflow_bitfield , bfd_elf_generic_reloc, "R_X86_64_RELATIVE", 0, (~ (bfd_vma) 0), (~ (bfd_vma) 0), 0 } | |||
| 64 | MINUS_ONE, FALSE){ (unsigned) R_X86_64_RELATIVE, 0, 4, 64, 0, 0, complain_overflow_bitfield , bfd_elf_generic_reloc, "R_X86_64_RELATIVE", 0, (~ (bfd_vma) 0), (~ (bfd_vma) 0), 0 }, | |||
| 65 | HOWTO(R_X86_64_GOTPCREL, 0, 2, 32, TRUE, 0, complain_overflow_signed,{ (unsigned) R_X86_64_GOTPCREL, 0, 2, 32, 1, 0, complain_overflow_signed , bfd_elf_generic_reloc, "R_X86_64_GOTPCREL", 0, 0xffffffff, 0xffffffff , 1 } | |||
| 66 | bfd_elf_generic_reloc, "R_X86_64_GOTPCREL", FALSE, 0xffffffff,{ (unsigned) R_X86_64_GOTPCREL, 0, 2, 32, 1, 0, complain_overflow_signed , bfd_elf_generic_reloc, "R_X86_64_GOTPCREL", 0, 0xffffffff, 0xffffffff , 1 } | |||
| 67 | 0xffffffff, TRUE){ (unsigned) R_X86_64_GOTPCREL, 0, 2, 32, 1, 0, complain_overflow_signed , bfd_elf_generic_reloc, "R_X86_64_GOTPCREL", 0, 0xffffffff, 0xffffffff , 1 }, | |||
| 68 | HOWTO(R_X86_64_32, 0, 2, 32, FALSE, 0, complain_overflow_unsigned,{ (unsigned) R_X86_64_32, 0, 2, 32, 0, 0, complain_overflow_unsigned , bfd_elf_generic_reloc, "R_X86_64_32", 0, 0xffffffff, 0xffffffff , 0 } | |||
| 69 | bfd_elf_generic_reloc, "R_X86_64_32", FALSE, 0xffffffff, 0xffffffff,{ (unsigned) R_X86_64_32, 0, 2, 32, 0, 0, complain_overflow_unsigned , bfd_elf_generic_reloc, "R_X86_64_32", 0, 0xffffffff, 0xffffffff , 0 } | |||
| 70 | FALSE){ (unsigned) R_X86_64_32, 0, 2, 32, 0, 0, complain_overflow_unsigned , bfd_elf_generic_reloc, "R_X86_64_32", 0, 0xffffffff, 0xffffffff , 0 }, | |||
| 71 | HOWTO(R_X86_64_32S, 0, 2, 32, FALSE, 0, complain_overflow_signed,{ (unsigned) R_X86_64_32S, 0, 2, 32, 0, 0, complain_overflow_signed , bfd_elf_generic_reloc, "R_X86_64_32S", 0, 0xffffffff, 0xffffffff , 0 } | |||
| 72 | bfd_elf_generic_reloc, "R_X86_64_32S", FALSE, 0xffffffff, 0xffffffff,{ (unsigned) R_X86_64_32S, 0, 2, 32, 0, 0, complain_overflow_signed , bfd_elf_generic_reloc, "R_X86_64_32S", 0, 0xffffffff, 0xffffffff , 0 } | |||
| 73 | FALSE){ (unsigned) R_X86_64_32S, 0, 2, 32, 0, 0, complain_overflow_signed , bfd_elf_generic_reloc, "R_X86_64_32S", 0, 0xffffffff, 0xffffffff , 0 }, | |||
| 74 | HOWTO(R_X86_64_16, 0, 1, 16, FALSE, 0, complain_overflow_bitfield,{ (unsigned) R_X86_64_16, 0, 1, 16, 0, 0, complain_overflow_bitfield , bfd_elf_generic_reloc, "R_X86_64_16", 0, 0xffff, 0xffff, 0 } | |||
| 75 | bfd_elf_generic_reloc, "R_X86_64_16", FALSE, 0xffff, 0xffff, FALSE){ (unsigned) R_X86_64_16, 0, 1, 16, 0, 0, complain_overflow_bitfield , bfd_elf_generic_reloc, "R_X86_64_16", 0, 0xffff, 0xffff, 0 }, | |||
| 76 | HOWTO(R_X86_64_PC16,0, 1, 16, TRUE, 0, complain_overflow_bitfield,{ (unsigned) R_X86_64_PC16, 0, 1, 16, 1, 0, complain_overflow_bitfield , bfd_elf_generic_reloc, "R_X86_64_PC16", 0, 0xffff, 0xffff, 1 } | |||
| 77 | bfd_elf_generic_reloc, "R_X86_64_PC16", FALSE, 0xffff, 0xffff, TRUE){ (unsigned) R_X86_64_PC16, 0, 1, 16, 1, 0, complain_overflow_bitfield , bfd_elf_generic_reloc, "R_X86_64_PC16", 0, 0xffff, 0xffff, 1 }, | |||
| 78 | HOWTO(R_X86_64_8, 0, 0, 8, FALSE, 0, complain_overflow_bitfield,{ (unsigned) R_X86_64_8, 0, 0, 8, 0, 0, complain_overflow_bitfield , bfd_elf_generic_reloc, "R_X86_64_8", 0, 0xff, 0xff, 0 } | |||
| 79 | bfd_elf_generic_reloc, "R_X86_64_8", FALSE, 0xff, 0xff, FALSE){ (unsigned) R_X86_64_8, 0, 0, 8, 0, 0, complain_overflow_bitfield , bfd_elf_generic_reloc, "R_X86_64_8", 0, 0xff, 0xff, 0 }, | |||
| 80 | HOWTO(R_X86_64_PC8, 0, 0, 8, TRUE, 0, complain_overflow_signed,{ (unsigned) R_X86_64_PC8, 0, 0, 8, 1, 0, complain_overflow_signed , bfd_elf_generic_reloc, "R_X86_64_PC8", 0, 0xff, 0xff, 1 } | |||
| 81 | bfd_elf_generic_reloc, "R_X86_64_PC8", FALSE, 0xff, 0xff, TRUE){ (unsigned) R_X86_64_PC8, 0, 0, 8, 1, 0, complain_overflow_signed , bfd_elf_generic_reloc, "R_X86_64_PC8", 0, 0xff, 0xff, 1 }, | |||
| 82 | HOWTO(R_X86_64_DTPMOD64, 0, 4, 64, FALSE, 0, complain_overflow_bitfield,{ (unsigned) R_X86_64_DTPMOD64, 0, 4, 64, 0, 0, complain_overflow_bitfield , bfd_elf_generic_reloc, "R_X86_64_DTPMOD64", 0, (~ (bfd_vma) 0), (~ (bfd_vma) 0), 0 } | |||
| 83 | bfd_elf_generic_reloc, "R_X86_64_DTPMOD64", FALSE, MINUS_ONE,{ (unsigned) R_X86_64_DTPMOD64, 0, 4, 64, 0, 0, complain_overflow_bitfield , bfd_elf_generic_reloc, "R_X86_64_DTPMOD64", 0, (~ (bfd_vma) 0), (~ (bfd_vma) 0), 0 } | |||
| 84 | MINUS_ONE, FALSE){ (unsigned) R_X86_64_DTPMOD64, 0, 4, 64, 0, 0, complain_overflow_bitfield , bfd_elf_generic_reloc, "R_X86_64_DTPMOD64", 0, (~ (bfd_vma) 0), (~ (bfd_vma) 0), 0 }, | |||
| 85 | HOWTO(R_X86_64_DTPOFF64, 0, 4, 64, FALSE, 0, complain_overflow_bitfield,{ (unsigned) R_X86_64_DTPOFF64, 0, 4, 64, 0, 0, complain_overflow_bitfield , bfd_elf_generic_reloc, "R_X86_64_DTPOFF64", 0, (~ (bfd_vma) 0), (~ (bfd_vma) 0), 0 } | |||
| 86 | bfd_elf_generic_reloc, "R_X86_64_DTPOFF64", FALSE, MINUS_ONE,{ (unsigned) R_X86_64_DTPOFF64, 0, 4, 64, 0, 0, complain_overflow_bitfield , bfd_elf_generic_reloc, "R_X86_64_DTPOFF64", 0, (~ (bfd_vma) 0), (~ (bfd_vma) 0), 0 } | |||
| 87 | MINUS_ONE, FALSE){ (unsigned) R_X86_64_DTPOFF64, 0, 4, 64, 0, 0, complain_overflow_bitfield , bfd_elf_generic_reloc, "R_X86_64_DTPOFF64", 0, (~ (bfd_vma) 0), (~ (bfd_vma) 0), 0 }, | |||
| 88 | HOWTO(R_X86_64_TPOFF64, 0, 4, 64, FALSE, 0, complain_overflow_bitfield,{ (unsigned) R_X86_64_TPOFF64, 0, 4, 64, 0, 0, complain_overflow_bitfield , bfd_elf_generic_reloc, "R_X86_64_TPOFF64", 0, (~ (bfd_vma) 0 ), (~ (bfd_vma) 0), 0 } | |||
| 89 | bfd_elf_generic_reloc, "R_X86_64_TPOFF64", FALSE, MINUS_ONE,{ (unsigned) R_X86_64_TPOFF64, 0, 4, 64, 0, 0, complain_overflow_bitfield , bfd_elf_generic_reloc, "R_X86_64_TPOFF64", 0, (~ (bfd_vma) 0 ), (~ (bfd_vma) 0), 0 } | |||
| 90 | MINUS_ONE, FALSE){ (unsigned) R_X86_64_TPOFF64, 0, 4, 64, 0, 0, complain_overflow_bitfield , bfd_elf_generic_reloc, "R_X86_64_TPOFF64", 0, (~ (bfd_vma) 0 ), (~ (bfd_vma) 0), 0 }, | |||
| 91 | HOWTO(R_X86_64_TLSGD, 0, 2, 32, TRUE, 0, complain_overflow_signed,{ (unsigned) R_X86_64_TLSGD, 0, 2, 32, 1, 0, complain_overflow_signed , bfd_elf_generic_reloc, "R_X86_64_TLSGD", 0, 0xffffffff, 0xffffffff , 1 } | |||
| 92 | bfd_elf_generic_reloc, "R_X86_64_TLSGD", FALSE, 0xffffffff,{ (unsigned) R_X86_64_TLSGD, 0, 2, 32, 1, 0, complain_overflow_signed , bfd_elf_generic_reloc, "R_X86_64_TLSGD", 0, 0xffffffff, 0xffffffff , 1 } | |||
| 93 | 0xffffffff, TRUE){ (unsigned) R_X86_64_TLSGD, 0, 2, 32, 1, 0, complain_overflow_signed , bfd_elf_generic_reloc, "R_X86_64_TLSGD", 0, 0xffffffff, 0xffffffff , 1 }, | |||
| 94 | HOWTO(R_X86_64_TLSLD, 0, 2, 32, TRUE, 0, complain_overflow_signed,{ (unsigned) R_X86_64_TLSLD, 0, 2, 32, 1, 0, complain_overflow_signed , bfd_elf_generic_reloc, "R_X86_64_TLSLD", 0, 0xffffffff, 0xffffffff , 1 } | |||
| 95 | bfd_elf_generic_reloc, "R_X86_64_TLSLD", FALSE, 0xffffffff,{ (unsigned) R_X86_64_TLSLD, 0, 2, 32, 1, 0, complain_overflow_signed , bfd_elf_generic_reloc, "R_X86_64_TLSLD", 0, 0xffffffff, 0xffffffff , 1 } | |||
| 96 | 0xffffffff, TRUE){ (unsigned) R_X86_64_TLSLD, 0, 2, 32, 1, 0, complain_overflow_signed , bfd_elf_generic_reloc, "R_X86_64_TLSLD", 0, 0xffffffff, 0xffffffff , 1 }, | |||
| 97 | HOWTO(R_X86_64_DTPOFF32, 0, 2, 32, FALSE, 0, complain_overflow_signed,{ (unsigned) R_X86_64_DTPOFF32, 0, 2, 32, 0, 0, complain_overflow_signed , bfd_elf_generic_reloc, "R_X86_64_DTPOFF32", 0, 0xffffffff, 0xffffffff , 0 } | |||
| 98 | bfd_elf_generic_reloc, "R_X86_64_DTPOFF32", FALSE, 0xffffffff,{ (unsigned) R_X86_64_DTPOFF32, 0, 2, 32, 0, 0, complain_overflow_signed , bfd_elf_generic_reloc, "R_X86_64_DTPOFF32", 0, 0xffffffff, 0xffffffff , 0 } | |||
| 99 | 0xffffffff, FALSE){ (unsigned) R_X86_64_DTPOFF32, 0, 2, 32, 0, 0, complain_overflow_signed , bfd_elf_generic_reloc, "R_X86_64_DTPOFF32", 0, 0xffffffff, 0xffffffff , 0 }, | |||
| 100 | HOWTO(R_X86_64_GOTTPOFF, 0, 2, 32, TRUE, 0, complain_overflow_signed,{ (unsigned) R_X86_64_GOTTPOFF, 0, 2, 32, 1, 0, complain_overflow_signed , bfd_elf_generic_reloc, "R_X86_64_GOTTPOFF", 0, 0xffffffff, 0xffffffff , 1 } | |||
| 101 | bfd_elf_generic_reloc, "R_X86_64_GOTTPOFF", FALSE, 0xffffffff,{ (unsigned) R_X86_64_GOTTPOFF, 0, 2, 32, 1, 0, complain_overflow_signed , bfd_elf_generic_reloc, "R_X86_64_GOTTPOFF", 0, 0xffffffff, 0xffffffff , 1 } | |||
| 102 | 0xffffffff, TRUE){ (unsigned) R_X86_64_GOTTPOFF, 0, 2, 32, 1, 0, complain_overflow_signed , bfd_elf_generic_reloc, "R_X86_64_GOTTPOFF", 0, 0xffffffff, 0xffffffff , 1 }, | |||
| 103 | HOWTO(R_X86_64_TPOFF32, 0, 2, 32, FALSE, 0, complain_overflow_signed,{ (unsigned) R_X86_64_TPOFF32, 0, 2, 32, 0, 0, complain_overflow_signed , bfd_elf_generic_reloc, "R_X86_64_TPOFF32", 0, 0xffffffff, 0xffffffff , 0 } | |||
| 104 | bfd_elf_generic_reloc, "R_X86_64_TPOFF32", FALSE, 0xffffffff,{ (unsigned) R_X86_64_TPOFF32, 0, 2, 32, 0, 0, complain_overflow_signed , bfd_elf_generic_reloc, "R_X86_64_TPOFF32", 0, 0xffffffff, 0xffffffff , 0 } | |||
| 105 | 0xffffffff, FALSE){ (unsigned) R_X86_64_TPOFF32, 0, 2, 32, 0, 0, complain_overflow_signed , bfd_elf_generic_reloc, "R_X86_64_TPOFF32", 0, 0xffffffff, 0xffffffff , 0 }, | |||
| 106 | HOWTO(R_X86_64_PC64, 0, 4, 64, TRUE, 0, complain_overflow_bitfield,{ (unsigned) R_X86_64_PC64, 0, 4, 64, 1, 0, complain_overflow_bitfield , bfd_elf_generic_reloc, "R_X86_64_PC64", 0, (~ (bfd_vma) 0), (~ (bfd_vma) 0), 1 } | |||
| 107 | bfd_elf_generic_reloc, "R_X86_64_PC64", FALSE, MINUS_ONE, MINUS_ONE,{ (unsigned) R_X86_64_PC64, 0, 4, 64, 1, 0, complain_overflow_bitfield , bfd_elf_generic_reloc, "R_X86_64_PC64", 0, (~ (bfd_vma) 0), (~ (bfd_vma) 0), 1 } | |||
| 108 | TRUE){ (unsigned) R_X86_64_PC64, 0, 4, 64, 1, 0, complain_overflow_bitfield , bfd_elf_generic_reloc, "R_X86_64_PC64", 0, (~ (bfd_vma) 0), (~ (bfd_vma) 0), 1 }, | |||
| 109 | HOWTO(R_X86_64_GOTOFF64, 0, 4, 64, FALSE, 0, complain_overflow_bitfield,{ (unsigned) R_X86_64_GOTOFF64, 0, 4, 64, 0, 0, complain_overflow_bitfield , bfd_elf_generic_reloc, "R_X86_64_GOTOFF64", 0, (~ (bfd_vma) 0), (~ (bfd_vma) 0), 0 } | |||
| 110 | bfd_elf_generic_reloc, "R_X86_64_GOTOFF64",{ (unsigned) R_X86_64_GOTOFF64, 0, 4, 64, 0, 0, complain_overflow_bitfield , bfd_elf_generic_reloc, "R_X86_64_GOTOFF64", 0, (~ (bfd_vma) 0), (~ (bfd_vma) 0), 0 } | |||
| 111 | FALSE, MINUS_ONE, MINUS_ONE, FALSE){ (unsigned) R_X86_64_GOTOFF64, 0, 4, 64, 0, 0, complain_overflow_bitfield , bfd_elf_generic_reloc, "R_X86_64_GOTOFF64", 0, (~ (bfd_vma) 0), (~ (bfd_vma) 0), 0 }, | |||
| 112 | HOWTO(R_X86_64_GOTPC32, 0, 2, 32, TRUE, 0, complain_overflow_signed,{ (unsigned) R_X86_64_GOTPC32, 0, 2, 32, 1, 0, complain_overflow_signed , bfd_elf_generic_reloc, "R_X86_64_GOTPC32", 0, 0xffffffff, 0xffffffff , 1 } | |||
| 113 | bfd_elf_generic_reloc, "R_X86_64_GOTPC32",{ (unsigned) R_X86_64_GOTPC32, 0, 2, 32, 1, 0, complain_overflow_signed , bfd_elf_generic_reloc, "R_X86_64_GOTPC32", 0, 0xffffffff, 0xffffffff , 1 } | |||
| 114 | FALSE, 0xffffffff, 0xffffffff, TRUE){ (unsigned) R_X86_64_GOTPC32, 0, 2, 32, 1, 0, complain_overflow_signed , bfd_elf_generic_reloc, "R_X86_64_GOTPC32", 0, 0xffffffff, 0xffffffff , 1 }, | |||
| 115 | HOWTO(R_X86_64_GOT64, 0, 4, 64, FALSE, 0, complain_overflow_signed,{ (unsigned) R_X86_64_GOT64, 0, 4, 64, 0, 0, complain_overflow_signed , bfd_elf_generic_reloc, "R_X86_64_GOT64", 0, (~ (bfd_vma) 0) , (~ (bfd_vma) 0), 0 } | |||
| 116 | bfd_elf_generic_reloc, "R_X86_64_GOT64", FALSE, MINUS_ONE, MINUS_ONE,{ (unsigned) R_X86_64_GOT64, 0, 4, 64, 0, 0, complain_overflow_signed , bfd_elf_generic_reloc, "R_X86_64_GOT64", 0, (~ (bfd_vma) 0) , (~ (bfd_vma) 0), 0 } | |||
| 117 | FALSE){ (unsigned) R_X86_64_GOT64, 0, 4, 64, 0, 0, complain_overflow_signed , bfd_elf_generic_reloc, "R_X86_64_GOT64", 0, (~ (bfd_vma) 0) , (~ (bfd_vma) 0), 0 }, | |||
| 118 | HOWTO(R_X86_64_GOTPCREL64, 0, 4, 64, TRUE, 0, complain_overflow_signed,{ (unsigned) R_X86_64_GOTPCREL64, 0, 4, 64, 1, 0, complain_overflow_signed , bfd_elf_generic_reloc, "R_X86_64_GOTPCREL64", 0, (~ (bfd_vma ) 0), (~ (bfd_vma) 0), 1 } | |||
| 119 | bfd_elf_generic_reloc, "R_X86_64_GOTPCREL64", FALSE, MINUS_ONE,{ (unsigned) R_X86_64_GOTPCREL64, 0, 4, 64, 1, 0, complain_overflow_signed , bfd_elf_generic_reloc, "R_X86_64_GOTPCREL64", 0, (~ (bfd_vma ) 0), (~ (bfd_vma) 0), 1 } | |||
| 120 | MINUS_ONE, TRUE){ (unsigned) R_X86_64_GOTPCREL64, 0, 4, 64, 1, 0, complain_overflow_signed , bfd_elf_generic_reloc, "R_X86_64_GOTPCREL64", 0, (~ (bfd_vma ) 0), (~ (bfd_vma) 0), 1 }, | |||
| 121 | HOWTO(R_X86_64_GOTPC64, 0, 4, 64, TRUE, 0, complain_overflow_signed,{ (unsigned) R_X86_64_GOTPC64, 0, 4, 64, 1, 0, complain_overflow_signed , bfd_elf_generic_reloc, "R_X86_64_GOTPC64", 0, (~ (bfd_vma) 0 ), (~ (bfd_vma) 0), 1 } | |||
| 122 | bfd_elf_generic_reloc, "R_X86_64_GOTPC64",{ (unsigned) R_X86_64_GOTPC64, 0, 4, 64, 1, 0, complain_overflow_signed , bfd_elf_generic_reloc, "R_X86_64_GOTPC64", 0, (~ (bfd_vma) 0 ), (~ (bfd_vma) 0), 1 } | |||
| 123 | FALSE, MINUS_ONE, MINUS_ONE, TRUE){ (unsigned) R_X86_64_GOTPC64, 0, 4, 64, 1, 0, complain_overflow_signed , bfd_elf_generic_reloc, "R_X86_64_GOTPC64", 0, (~ (bfd_vma) 0 ), (~ (bfd_vma) 0), 1 }, | |||
| 124 | HOWTO(R_X86_64_GOTPLT64, 0, 4, 64, FALSE, 0, complain_overflow_signed,{ (unsigned) R_X86_64_GOTPLT64, 0, 4, 64, 0, 0, complain_overflow_signed , bfd_elf_generic_reloc, "R_X86_64_GOTPLT64", 0, (~ (bfd_vma) 0), (~ (bfd_vma) 0), 0 } | |||
| 125 | bfd_elf_generic_reloc, "R_X86_64_GOTPLT64", FALSE, MINUS_ONE,{ (unsigned) R_X86_64_GOTPLT64, 0, 4, 64, 0, 0, complain_overflow_signed , bfd_elf_generic_reloc, "R_X86_64_GOTPLT64", 0, (~ (bfd_vma) 0), (~ (bfd_vma) 0), 0 } | |||
| 126 | MINUS_ONE, FALSE){ (unsigned) R_X86_64_GOTPLT64, 0, 4, 64, 0, 0, complain_overflow_signed , bfd_elf_generic_reloc, "R_X86_64_GOTPLT64", 0, (~ (bfd_vma) 0), (~ (bfd_vma) 0), 0 }, | |||
| 127 | HOWTO(R_X86_64_PLTOFF64, 0, 4, 64, FALSE, 0, complain_overflow_signed,{ (unsigned) R_X86_64_PLTOFF64, 0, 4, 64, 0, 0, complain_overflow_signed , bfd_elf_generic_reloc, "R_X86_64_PLTOFF64", 0, (~ (bfd_vma) 0), (~ (bfd_vma) 0), 0 } | |||
| 128 | bfd_elf_generic_reloc, "R_X86_64_PLTOFF64", FALSE, MINUS_ONE,{ (unsigned) R_X86_64_PLTOFF64, 0, 4, 64, 0, 0, complain_overflow_signed , bfd_elf_generic_reloc, "R_X86_64_PLTOFF64", 0, (~ (bfd_vma) 0), (~ (bfd_vma) 0), 0 } | |||
| 129 | MINUS_ONE, FALSE){ (unsigned) R_X86_64_PLTOFF64, 0, 4, 64, 0, 0, complain_overflow_signed , bfd_elf_generic_reloc, "R_X86_64_PLTOFF64", 0, (~ (bfd_vma) 0), (~ (bfd_vma) 0), 0 }, | |||
| 130 | EMPTY_HOWTO (32){ (unsigned) (32), 0, 0, 0, 0, 0, complain_overflow_dont, ((void *)0), ((void*)0), 0, 0, 0, 0 }, | |||
| 131 | EMPTY_HOWTO (33){ (unsigned) (33), 0, 0, 0, 0, 0, complain_overflow_dont, ((void *)0), ((void*)0), 0, 0, 0, 0 }, | |||
| 132 | HOWTO(R_X86_64_GOTPC32_TLSDESC, 0, 2, 32, TRUE, 0,{ (unsigned) R_X86_64_GOTPC32_TLSDESC, 0, 2, 32, 1, 0, complain_overflow_bitfield , bfd_elf_generic_reloc, "R_X86_64_GOTPC32_TLSDESC", 0, 0xffffffff , 0xffffffff, 1 } | |||
| 133 | complain_overflow_bitfield, bfd_elf_generic_reloc,{ (unsigned) R_X86_64_GOTPC32_TLSDESC, 0, 2, 32, 1, 0, complain_overflow_bitfield , bfd_elf_generic_reloc, "R_X86_64_GOTPC32_TLSDESC", 0, 0xffffffff , 0xffffffff, 1 } | |||
| 134 | "R_X86_64_GOTPC32_TLSDESC",{ (unsigned) R_X86_64_GOTPC32_TLSDESC, 0, 2, 32, 1, 0, complain_overflow_bitfield , bfd_elf_generic_reloc, "R_X86_64_GOTPC32_TLSDESC", 0, 0xffffffff , 0xffffffff, 1 } | |||
| 135 | FALSE, 0xffffffff, 0xffffffff, TRUE){ (unsigned) R_X86_64_GOTPC32_TLSDESC, 0, 2, 32, 1, 0, complain_overflow_bitfield , bfd_elf_generic_reloc, "R_X86_64_GOTPC32_TLSDESC", 0, 0xffffffff , 0xffffffff, 1 }, | |||
| 136 | HOWTO(R_X86_64_TLSDESC_CALL, 0, 0, 0, FALSE, 0,{ (unsigned) R_X86_64_TLSDESC_CALL, 0, 0, 0, 0, 0, complain_overflow_dont , bfd_elf_generic_reloc, "R_X86_64_TLSDESC_CALL", 0, 0, 0, 0 } | |||
| 137 | complain_overflow_dont, bfd_elf_generic_reloc,{ (unsigned) R_X86_64_TLSDESC_CALL, 0, 0, 0, 0, 0, complain_overflow_dont , bfd_elf_generic_reloc, "R_X86_64_TLSDESC_CALL", 0, 0, 0, 0 } | |||
| 138 | "R_X86_64_TLSDESC_CALL",{ (unsigned) R_X86_64_TLSDESC_CALL, 0, 0, 0, 0, 0, complain_overflow_dont , bfd_elf_generic_reloc, "R_X86_64_TLSDESC_CALL", 0, 0, 0, 0 } | |||
| 139 | FALSE, 0, 0, FALSE){ (unsigned) R_X86_64_TLSDESC_CALL, 0, 0, 0, 0, 0, complain_overflow_dont , bfd_elf_generic_reloc, "R_X86_64_TLSDESC_CALL", 0, 0, 0, 0 }, | |||
| 140 | HOWTO(R_X86_64_TLSDESC, 0, 4, 64, FALSE, 0,{ (unsigned) R_X86_64_TLSDESC, 0, 4, 64, 0, 0, complain_overflow_bitfield , bfd_elf_generic_reloc, "R_X86_64_TLSDESC", 0, (~ (bfd_vma) 0 ), (~ (bfd_vma) 0), 0 } | |||
| 141 | complain_overflow_bitfield, bfd_elf_generic_reloc,{ (unsigned) R_X86_64_TLSDESC, 0, 4, 64, 0, 0, complain_overflow_bitfield , bfd_elf_generic_reloc, "R_X86_64_TLSDESC", 0, (~ (bfd_vma) 0 ), (~ (bfd_vma) 0), 0 } | |||
| 142 | "R_X86_64_TLSDESC",{ (unsigned) R_X86_64_TLSDESC, 0, 4, 64, 0, 0, complain_overflow_bitfield , bfd_elf_generic_reloc, "R_X86_64_TLSDESC", 0, (~ (bfd_vma) 0 ), (~ (bfd_vma) 0), 0 } | |||
| 143 | FALSE, MINUS_ONE, MINUS_ONE, FALSE){ (unsigned) R_X86_64_TLSDESC, 0, 4, 64, 0, 0, complain_overflow_bitfield , bfd_elf_generic_reloc, "R_X86_64_TLSDESC", 0, (~ (bfd_vma) 0 ), (~ (bfd_vma) 0), 0 }, | |||
| 144 | ||||
| 145 | /* We have a gap in the reloc numbers here. | |||
| 146 | R_X86_64_standard counts the number up to this point, and | |||
| 147 | R_X86_64_vt_offset is the value to subtract from a reloc type of | |||
| 148 | R_X86_64_GNU_VT* to form an index into this table. */ | |||
| 149 | #define R_X86_64_standard(R_X86_64_TLSDESC + 1) (R_X86_64_TLSDESC + 1) | |||
| 150 | #define R_X86_64_vt_offset(R_X86_64_GNU_VTINHERIT - (R_X86_64_TLSDESC + 1)) (R_X86_64_GNU_VTINHERIT - R_X86_64_standard(R_X86_64_TLSDESC + 1)) | |||
| 151 | ||||
| 152 | /* GNU extension to record C++ vtable hierarchy. */ | |||
| 153 | HOWTO (R_X86_64_GNU_VTINHERIT, 0, 4, 0, FALSE, 0, complain_overflow_dont,{ (unsigned) R_X86_64_GNU_VTINHERIT, 0, 4, 0, 0, 0, complain_overflow_dont , ((void*)0), "R_X86_64_GNU_VTINHERIT", 0, 0, 0, 0 } | |||
| 154 | NULL, "R_X86_64_GNU_VTINHERIT", FALSE, 0, 0, FALSE){ (unsigned) R_X86_64_GNU_VTINHERIT, 0, 4, 0, 0, 0, complain_overflow_dont , ((void*)0), "R_X86_64_GNU_VTINHERIT", 0, 0, 0, 0 }, | |||
| 155 | ||||
| 156 | /* GNU extension to record C++ vtable member usage. */ | |||
| 157 | HOWTO (R_X86_64_GNU_VTENTRY, 0, 4, 0, FALSE, 0, complain_overflow_dont,{ (unsigned) R_X86_64_GNU_VTENTRY, 0, 4, 0, 0, 0, complain_overflow_dont , _bfd_elf_rel_vtable_reloc_fn, "R_X86_64_GNU_VTENTRY", 0, 0, 0, 0 } | |||
| 158 | _bfd_elf_rel_vtable_reloc_fn, "R_X86_64_GNU_VTENTRY", FALSE, 0, 0,{ (unsigned) R_X86_64_GNU_VTENTRY, 0, 4, 0, 0, 0, complain_overflow_dont , _bfd_elf_rel_vtable_reloc_fn, "R_X86_64_GNU_VTENTRY", 0, 0, 0, 0 } | |||
| 159 | FALSE){ (unsigned) R_X86_64_GNU_VTENTRY, 0, 4, 0, 0, 0, complain_overflow_dont , _bfd_elf_rel_vtable_reloc_fn, "R_X86_64_GNU_VTENTRY", 0, 0, 0, 0 } | |||
| 160 | }; | |||
| 161 | ||||
| 162 | /* Map BFD relocs to the x86_64 elf relocs. */ | |||
| 163 | struct elf_reloc_map | |||
| 164 | { | |||
| 165 | bfd_reloc_code_real_type bfd_reloc_val; | |||
| 166 | unsigned char elf_reloc_val; | |||
| 167 | }; | |||
| 168 | ||||
| 169 | static const struct elf_reloc_map x86_64_reloc_map[] = | |||
| 170 | { | |||
| 171 | { BFD_RELOC_NONE, R_X86_64_NONE, }, | |||
| 172 | { BFD_RELOC_64, R_X86_64_64, }, | |||
| 173 | { BFD_RELOC_32_PCREL, R_X86_64_PC32, }, | |||
| 174 | { BFD_RELOC_X86_64_GOT32, R_X86_64_GOT32,}, | |||
| 175 | { BFD_RELOC_X86_64_PLT32, R_X86_64_PLT32,}, | |||
| 176 | { BFD_RELOC_X86_64_COPY, R_X86_64_COPY, }, | |||
| 177 | { BFD_RELOC_X86_64_GLOB_DAT, R_X86_64_GLOB_DAT, }, | |||
| 178 | { BFD_RELOC_X86_64_JUMP_SLOT, R_X86_64_JUMP_SLOT, }, | |||
| 179 | { BFD_RELOC_X86_64_RELATIVE, R_X86_64_RELATIVE, }, | |||
| 180 | { BFD_RELOC_X86_64_GOTPCREL, R_X86_64_GOTPCREL, }, | |||
| 181 | { BFD_RELOC_32, R_X86_64_32, }, | |||
| 182 | { BFD_RELOC_X86_64_32S, R_X86_64_32S, }, | |||
| 183 | { BFD_RELOC_16, R_X86_64_16, }, | |||
| 184 | { BFD_RELOC_16_PCREL, R_X86_64_PC16, }, | |||
| 185 | { BFD_RELOC_8, R_X86_64_8, }, | |||
| 186 | { BFD_RELOC_8_PCREL, R_X86_64_PC8, }, | |||
| 187 | { BFD_RELOC_X86_64_DTPMOD64, R_X86_64_DTPMOD64, }, | |||
| 188 | { BFD_RELOC_X86_64_DTPOFF64, R_X86_64_DTPOFF64, }, | |||
| 189 | { BFD_RELOC_X86_64_TPOFF64, R_X86_64_TPOFF64, }, | |||
| 190 | { BFD_RELOC_X86_64_TLSGD, R_X86_64_TLSGD, }, | |||
| 191 | { BFD_RELOC_X86_64_TLSLD, R_X86_64_TLSLD, }, | |||
| 192 | { BFD_RELOC_X86_64_DTPOFF32, R_X86_64_DTPOFF32, }, | |||
| 193 | { BFD_RELOC_X86_64_GOTTPOFF, R_X86_64_GOTTPOFF, }, | |||
| 194 | { BFD_RELOC_X86_64_TPOFF32, R_X86_64_TPOFF32, }, | |||
| 195 | { BFD_RELOC_64_PCREL, R_X86_64_PC64, }, | |||
| 196 | { BFD_RELOC_X86_64_GOTOFF64, R_X86_64_GOTOFF64, }, | |||
| 197 | { BFD_RELOC_X86_64_GOTPC32, R_X86_64_GOTPC32, }, | |||
| 198 | { BFD_RELOC_X86_64_GOT64, R_X86_64_GOT64, }, | |||
| 199 | { BFD_RELOC_X86_64_GOTPCREL64,R_X86_64_GOTPCREL64, }, | |||
| 200 | { BFD_RELOC_X86_64_GOTPC64, R_X86_64_GOTPC64, }, | |||
| 201 | { BFD_RELOC_X86_64_GOTPLT64, R_X86_64_GOTPLT64, }, | |||
| 202 | { BFD_RELOC_X86_64_PLTOFF64, R_X86_64_PLTOFF64, }, | |||
| 203 | { BFD_RELOC_X86_64_GOTPC32_TLSDESC, R_X86_64_GOTPC32_TLSDESC, }, | |||
| 204 | { BFD_RELOC_X86_64_TLSDESC_CALL, R_X86_64_TLSDESC_CALL, }, | |||
| 205 | { BFD_RELOC_X86_64_TLSDESC, R_X86_64_TLSDESC, }, | |||
| 206 | { BFD_RELOC_VTABLE_INHERIT, R_X86_64_GNU_VTINHERIT, }, | |||
| 207 | { BFD_RELOC_VTABLE_ENTRY, R_X86_64_GNU_VTENTRY, }, | |||
| 208 | }; | |||
| 209 | ||||
| 210 | static reloc_howto_type * | |||
| 211 | elf64_x86_64_rtype_to_howto (bfd *abfd, unsigned r_type) | |||
| 212 | { | |||
| 213 | unsigned i; | |||
| 214 | ||||
| 215 | if (r_type < (unsigned int) R_X86_64_GNU_VTINHERIT | |||
| 216 | || r_type >= (unsigned int) R_X86_64_max) | |||
| 217 | { | |||
| 218 | if (r_type >= (unsigned int) R_X86_64_standard(R_X86_64_TLSDESC + 1)) | |||
| 219 | { | |||
| 220 | (*_bfd_error_handler) (_("%B: invalid relocation type %d")("%B: invalid relocation type %d"), | |||
| 221 | abfd, (int) r_type); | |||
| 222 | r_type = R_X86_64_NONE; | |||
| 223 | } | |||
| 224 | i = r_type; | |||
| 225 | } | |||
| 226 | else | |||
| 227 | i = r_type - (unsigned int) R_X86_64_vt_offset(R_X86_64_GNU_VTINHERIT - (R_X86_64_TLSDESC + 1)); | |||
| 228 | BFD_ASSERT (x86_64_elf_howto_table[i].type == r_type)do { if (!(x86_64_elf_howto_table[i].type == r_type)) bfd_assert ("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c",228) ; } while (0); | |||
| 229 | return &x86_64_elf_howto_table[i]; | |||
| 230 | } | |||
| 231 | ||||
| 232 | /* Given a BFD reloc type, return a HOWTO structure. */ | |||
| 233 | static reloc_howto_type * | |||
| 234 | elf64_x86_64_reloc_type_lookup (bfd *abfd, | |||
| 235 | bfd_reloc_code_real_type code) | |||
| 236 | { | |||
| 237 | unsigned int i; | |||
| 238 | ||||
| 239 | for (i = 0; i < sizeof (x86_64_reloc_map) / sizeof (struct elf_reloc_map); | |||
| 240 | i++) | |||
| 241 | { | |||
| 242 | if (x86_64_reloc_map[i].bfd_reloc_val == code) | |||
| 243 | return elf64_x86_64_rtype_to_howto (abfd, | |||
| 244 | x86_64_reloc_map[i].elf_reloc_val); | |||
| 245 | } | |||
| 246 | return 0; | |||
| 247 | } | |||
| 248 | ||||
| 249 | /* Given an x86_64 ELF reloc type, fill in an arelent structure. */ | |||
| 250 | ||||
| 251 | static void | |||
| 252 | elf64_x86_64_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED__attribute__ ((__unused__)), arelent *cache_ptr, | |||
| 253 | Elf_Internal_Rela *dst) | |||
| 254 | { | |||
| 255 | unsigned r_type; | |||
| 256 | ||||
| 257 | r_type = ELF64_R_TYPE (dst->r_info)((dst->r_info) & 0xffffffff); | |||
| 258 | cache_ptr->howto = elf64_x86_64_rtype_to_howto (abfd, r_type); | |||
| 259 | BFD_ASSERT (r_type == cache_ptr->howto->type)do { if (!(r_type == cache_ptr->howto->type)) bfd_assert ("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c",259) ; } while (0); | |||
| 260 | } | |||
| 261 | ||||
| 262 | /* Support for core dump NOTE sections. */ | |||
| 263 | static bfd_boolean | |||
| 264 | elf64_x86_64_grok_prstatus (bfd *abfd, Elf_Internal_Note *note) | |||
| 265 | { | |||
| 266 | int offset; | |||
| 267 | size_t size; | |||
| 268 | ||||
| 269 | switch (note->descsz) | |||
| 270 | { | |||
| 271 | default: | |||
| 272 | return FALSE0; | |||
| 273 | ||||
| 274 | case 336: /* sizeof(istruct elf_prstatus) on Linux/x86_64 */ | |||
| 275 | /* pr_cursig */ | |||
| 276 | elf_tdata (abfd)((abfd) -> tdata.elf_obj_data)->core_signal | |||
| 277 | = bfd_get_16 (abfd, note->descdata + 12)((*((abfd)->xvec->bfd_getx16)) (note->descdata + 12) ); | |||
| 278 | ||||
| 279 | /* pr_pid */ | |||
| 280 | elf_tdata (abfd)((abfd) -> tdata.elf_obj_data)->core_pid | |||
| 281 | = bfd_get_32 (abfd, note->descdata + 32)((*((abfd)->xvec->bfd_getx32)) (note->descdata + 32) ); | |||
| 282 | ||||
| 283 | /* pr_reg */ | |||
| 284 | offset = 112; | |||
| 285 | size = 216; | |||
| 286 | ||||
| 287 | break; | |||
| 288 | } | |||
| 289 | ||||
| 290 | /* Make a ".reg/999" section. */ | |||
| 291 | return _bfd_elfcore_make_pseudosection (abfd, ".reg", | |||
| 292 | size, note->descpos + offset); | |||
| 293 | } | |||
| 294 | ||||
| 295 | static bfd_boolean | |||
| 296 | elf64_x86_64_grok_psinfo (bfd *abfd, Elf_Internal_Note *note) | |||
| 297 | { | |||
| 298 | switch (note->descsz) | |||
| 299 | { | |||
| 300 | default: | |||
| 301 | return FALSE0; | |||
| 302 | ||||
| 303 | case 136: /* sizeof(struct elf_prpsinfo) on Linux/x86_64 */ | |||
| 304 | elf_tdata (abfd)((abfd) -> tdata.elf_obj_data)->core_program | |||
| 305 | = _bfd_elfcore_strndup (abfd, note->descdata + 40, 16); | |||
| 306 | elf_tdata (abfd)((abfd) -> tdata.elf_obj_data)->core_command | |||
| 307 | = _bfd_elfcore_strndup (abfd, note->descdata + 56, 80); | |||
| 308 | } | |||
| 309 | ||||
| 310 | /* Note that for some reason, a spurious space is tacked | |||
| 311 | onto the end of the args in some (at least one anyway) | |||
| 312 | implementations, so strip it off if it exists. */ | |||
| 313 | ||||
| 314 | { | |||
| 315 | char *command = elf_tdata (abfd)((abfd) -> tdata.elf_obj_data)->core_command; | |||
| 316 | int n = strlen (command); | |||
| 317 | ||||
| 318 | if (0 < n && command[n - 1] == ' ') | |||
| 319 | command[n - 1] = '\0'; | |||
| 320 | } | |||
| 321 | ||||
| 322 | return TRUE1; | |||
| 323 | } | |||
| 324 | ||||
| 325 | /* Functions for the x86-64 ELF linker. */ | |||
| 326 | ||||
| 327 | /* The name of the dynamic interpreter. This is put in the .interp | |||
| 328 | section. */ | |||
| 329 | ||||
| 330 | #define ELF_DYNAMIC_INTERPRETER"/lib/ld64.so.1" "/lib/ld64.so.1" | |||
| 331 | ||||
| 332 | /* If ELIMINATE_COPY_RELOCS is non-zero, the linker will try to avoid | |||
| 333 | copying dynamic variables from a shared lib into an app's dynbss | |||
| 334 | section, and instead use a dynamic relocation to point into the | |||
| 335 | shared lib. */ | |||
| 336 | #define ELIMINATE_COPY_RELOCS1 1 | |||
| 337 | ||||
| 338 | /* The size in bytes of an entry in the global offset table. */ | |||
| 339 | ||||
| 340 | #define GOT_ENTRY_SIZE8 8 | |||
| 341 | ||||
| 342 | /* The size in bytes of an entry in the procedure linkage table. */ | |||
| 343 | ||||
| 344 | #define PLT_ENTRY_SIZE16 16 | |||
| 345 | ||||
| 346 | /* The first entry in a procedure linkage table looks like this. See the | |||
| 347 | SVR4 ABI i386 supplement and the x86-64 ABI to see how this works. */ | |||
| 348 | ||||
| 349 | static const bfd_byte elf64_x86_64_plt0_entry[PLT_ENTRY_SIZE16] = | |||
| 350 | { | |||
| 351 | 0xff, 0x35, 8, 0, 0, 0, /* pushq GOT+8(%rip) */ | |||
| 352 | 0xff, 0x25, 16, 0, 0, 0, /* jmpq *GOT+16(%rip) */ | |||
| 353 | 0xcc, 0xcc, 0xcc, 0xcc /* pad out to 16 bytes with int3. */ | |||
| 354 | }; | |||
| 355 | ||||
| 356 | /* Subsequent entries in a procedure linkage table look like this. */ | |||
| 357 | ||||
| 358 | static const bfd_byte elf64_x86_64_plt_entry[PLT_ENTRY_SIZE16] = | |||
| 359 | { | |||
| 360 | 0xff, 0x25, /* jmpq *name@GOTPC(%rip) */ | |||
| 361 | 0, 0, 0, 0, /* replaced with offset to this symbol in .got. */ | |||
| 362 | 0x68, /* pushq immediate */ | |||
| 363 | 0, 0, 0, 0, /* replaced with index into relocation table. */ | |||
| 364 | 0xe9, /* jmp relative */ | |||
| 365 | 0, 0, 0, 0 /* replaced with offset to start of .plt0. */ | |||
| 366 | }; | |||
| 367 | ||||
| 368 | /* The x86-64 linker needs to keep track of the number of relocs that | |||
| 369 | it decides to copy as dynamic relocs in check_relocs for each symbol. | |||
| 370 | This is so that it can later discard them if they are found to be | |||
| 371 | unnecessary. We store the information in a field extending the | |||
| 372 | regular ELF linker hash table. */ | |||
| 373 | ||||
| 374 | struct elf64_x86_64_dyn_relocs | |||
| 375 | { | |||
| 376 | /* Next section. */ | |||
| 377 | struct elf64_x86_64_dyn_relocs *next; | |||
| 378 | ||||
| 379 | /* The input section of the reloc. */ | |||
| 380 | asection *sec; | |||
| 381 | ||||
| 382 | /* Total number of relocs copied for the input section. */ | |||
| 383 | bfd_size_type count; | |||
| 384 | ||||
| 385 | /* Number of pc-relative relocs copied for the input section. */ | |||
| 386 | bfd_size_type pc_count; | |||
| 387 | }; | |||
| 388 | ||||
| 389 | /* x86-64 ELF linker hash entry. */ | |||
| 390 | ||||
| 391 | struct elf64_x86_64_link_hash_entry | |||
| 392 | { | |||
| 393 | struct elf_link_hash_entry elf; | |||
| 394 | ||||
| 395 | /* Track dynamic relocs copied for this symbol. */ | |||
| 396 | struct elf64_x86_64_dyn_relocs *dyn_relocs; | |||
| 397 | ||||
| 398 | #define GOT_UNKNOWN0 0 | |||
| 399 | #define GOT_NORMAL1 1 | |||
| 400 | #define GOT_TLS_GD2 2 | |||
| 401 | #define GOT_TLS_IE3 3 | |||
| 402 | #define GOT_TLS_GDESC4 4 | |||
| 403 | #define GOT_TLS_GD_BOTH_P(type)((type) == (2 | 4)) \ | |||
| 404 | ((type) == (GOT_TLS_GD2 | GOT_TLS_GDESC4)) | |||
| 405 | #define GOT_TLS_GD_P(type)((type) == 2 || ((type) == (2 | 4))) \ | |||
| 406 | ((type) == GOT_TLS_GD2 || GOT_TLS_GD_BOTH_P (type)((type) == (2 | 4))) | |||
| 407 | #define GOT_TLS_GDESC_P(type)((type) == 4 || ((type) == (2 | 4))) \ | |||
| 408 | ((type) == GOT_TLS_GDESC4 || GOT_TLS_GD_BOTH_P (type)((type) == (2 | 4))) | |||
| 409 | #define GOT_TLS_GD_ANY_P(type)(((type) == 2 || ((type) == (2 | 4))) || ((type) == 4 || ((type ) == (2 | 4)))) \ | |||
| 410 | (GOT_TLS_GD_P (type)((type) == 2 || ((type) == (2 | 4))) || GOT_TLS_GDESC_P (type)((type) == 4 || ((type) == (2 | 4)))) | |||
| 411 | unsigned char tls_type; | |||
| 412 | ||||
| 413 | /* Offset of the GOTPLT entry reserved for the TLS descriptor, | |||
| 414 | starting at the end of the jump table. */ | |||
| 415 | bfd_vma tlsdesc_got; | |||
| 416 | }; | |||
| 417 | ||||
| 418 | #define elf64_x86_64_hash_entry(ent)((struct elf64_x86_64_link_hash_entry *)(ent)) \ | |||
| 419 | ((struct elf64_x86_64_link_hash_entry *)(ent)) | |||
| 420 | ||||
| 421 | struct elf64_x86_64_obj_tdata | |||
| 422 | { | |||
| 423 | struct elf_obj_tdata root; | |||
| 424 | ||||
| 425 | /* tls_type for each local got entry. */ | |||
| 426 | char *local_got_tls_type; | |||
| 427 | ||||
| 428 | /* GOTPLT entries for TLS descriptors. */ | |||
| 429 | bfd_vma *local_tlsdesc_gotent; | |||
| 430 | }; | |||
| 431 | ||||
| 432 | #define elf64_x86_64_tdata(abfd)((struct elf64_x86_64_obj_tdata *) (abfd)->tdata.any) \ | |||
| 433 | ((struct elf64_x86_64_obj_tdata *) (abfd)->tdata.any) | |||
| 434 | ||||
| 435 | #define elf64_x86_64_local_got_tls_type(abfd)(((struct elf64_x86_64_obj_tdata *) (abfd)->tdata.any)-> local_got_tls_type) \ | |||
| 436 | (elf64_x86_64_tdata (abfd)((struct elf64_x86_64_obj_tdata *) (abfd)->tdata.any)->local_got_tls_type) | |||
| 437 | ||||
| 438 | #define elf64_x86_64_local_tlsdesc_gotent(abfd)(((struct elf64_x86_64_obj_tdata *) (abfd)->tdata.any)-> local_tlsdesc_gotent) \ | |||
| 439 | (elf64_x86_64_tdata (abfd)((struct elf64_x86_64_obj_tdata *) (abfd)->tdata.any)->local_tlsdesc_gotent) | |||
| 440 | ||||
| 441 | /* x86-64 ELF linker hash table. */ | |||
| 442 | ||||
| 443 | struct elf64_x86_64_link_hash_table | |||
| 444 | { | |||
| 445 | struct elf_link_hash_table elf; | |||
| 446 | ||||
| 447 | /* Short-cuts to get to dynamic linker sections. */ | |||
| 448 | asection *sgot; | |||
| 449 | asection *sgotplt; | |||
| 450 | asection *srelgot; | |||
| 451 | asection *splt; | |||
| 452 | asection *srelplt; | |||
| 453 | asection *sdynbss; | |||
| 454 | asection *srelbss; | |||
| 455 | ||||
| 456 | /* The offset into splt of the PLT entry for the TLS descriptor | |||
| 457 | resolver. Special values are 0, if not necessary (or not found | |||
| 458 | to be necessary yet), and -1 if needed but not determined | |||
| 459 | yet. */ | |||
| 460 | bfd_vma tlsdesc_plt; | |||
| 461 | /* The offset into sgot of the GOT entry used by the PLT entry | |||
| 462 | above. */ | |||
| 463 | bfd_vma tlsdesc_got; | |||
| 464 | ||||
| 465 | union { | |||
| 466 | bfd_signed_vma refcount; | |||
| 467 | bfd_vma offset; | |||
| 468 | } tls_ld_got; | |||
| 469 | ||||
| 470 | /* The amount of space used by the jump slots in the GOT. */ | |||
| 471 | bfd_vma sgotplt_jump_table_size; | |||
| 472 | ||||
| 473 | /* Small local sym to section mapping cache. */ | |||
| 474 | struct sym_sec_cache sym_sec; | |||
| 475 | }; | |||
| 476 | ||||
| 477 | /* Get the x86-64 ELF linker hash table from a link_info structure. */ | |||
| 478 | ||||
| 479 | #define elf64_x86_64_hash_table(p)((struct elf64_x86_64_link_hash_table *) ((p)->hash)) \ | |||
| 480 | ((struct elf64_x86_64_link_hash_table *) ((p)->hash)) | |||
| 481 | ||||
| 482 | #define elf64_x86_64_compute_jump_table_size(htab)((htab)->srelplt->reloc_count * 8) \ | |||
| 483 | ((htab)->srelplt->reloc_count * GOT_ENTRY_SIZE8) | |||
| 484 | ||||
| 485 | /* Create an entry in an x86-64 ELF linker hash table. */ | |||
| 486 | ||||
| 487 | static struct bfd_hash_entry * | |||
| 488 | link_hash_newfunc (struct bfd_hash_entry *entry, struct bfd_hash_table *table, | |||
| 489 | const char *string) | |||
| 490 | { | |||
| 491 | /* Allocate the structure if it has not already been allocated by a | |||
| 492 | subclass. */ | |||
| 493 | if (entry == NULL((void*)0)) | |||
| 494 | { | |||
| 495 | entry = bfd_hash_allocate (table, | |||
| 496 | sizeof (struct elf64_x86_64_link_hash_entry)); | |||
| 497 | if (entry == NULL((void*)0)) | |||
| 498 | return entry; | |||
| 499 | } | |||
| 500 | ||||
| 501 | /* Call the allocation method of the superclass. */ | |||
| 502 | entry = _bfd_elf_link_hash_newfunc (entry, table, string); | |||
| 503 | if (entry != NULL((void*)0)) | |||
| 504 | { | |||
| 505 | struct elf64_x86_64_link_hash_entry *eh; | |||
| 506 | ||||
| 507 | eh = (struct elf64_x86_64_link_hash_entry *) entry; | |||
| 508 | eh->dyn_relocs = NULL((void*)0); | |||
| 509 | eh->tls_type = GOT_UNKNOWN0; | |||
| 510 | eh->tlsdesc_got = (bfd_vma) -1; | |||
| 511 | } | |||
| 512 | ||||
| 513 | return entry; | |||
| 514 | } | |||
| 515 | ||||
| 516 | /* Create an X86-64 ELF linker hash table. */ | |||
| 517 | ||||
| 518 | static struct bfd_link_hash_table * | |||
| 519 | elf64_x86_64_link_hash_table_create (bfd *abfd) | |||
| 520 | { | |||
| 521 | struct elf64_x86_64_link_hash_table *ret; | |||
| 522 | bfd_size_type amt = sizeof (struct elf64_x86_64_link_hash_table); | |||
| 523 | ||||
| 524 | ret = (struct elf64_x86_64_link_hash_table *) bfd_malloc (amt); | |||
| 525 | if (ret == NULL((void*)0)) | |||
| 526 | return NULL((void*)0); | |||
| 527 | ||||
| 528 | if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd, link_hash_newfunc, | |||
| 529 | sizeof (struct elf64_x86_64_link_hash_entry))) | |||
| 530 | { | |||
| 531 | free (ret); | |||
| 532 | return NULL((void*)0); | |||
| 533 | } | |||
| 534 | ||||
| 535 | ret->sgot = NULL((void*)0); | |||
| 536 | ret->sgotplt = NULL((void*)0); | |||
| 537 | ret->srelgot = NULL((void*)0); | |||
| 538 | ret->splt = NULL((void*)0); | |||
| 539 | ret->srelplt = NULL((void*)0); | |||
| 540 | ret->sdynbss = NULL((void*)0); | |||
| 541 | ret->srelbss = NULL((void*)0); | |||
| 542 | ret->sym_sec.abfd = NULL((void*)0); | |||
| 543 | ret->tlsdesc_plt = 0; | |||
| 544 | ret->tlsdesc_got = 0; | |||
| 545 | ret->tls_ld_got.refcount = 0; | |||
| 546 | ret->sgotplt_jump_table_size = 0; | |||
| 547 | ||||
| 548 | return &ret->elf.root; | |||
| 549 | } | |||
| 550 | ||||
| 551 | /* Create .got, .gotplt, and .rela.got sections in DYNOBJ, and set up | |||
| 552 | shortcuts to them in our hash table. */ | |||
| 553 | ||||
| 554 | static bfd_boolean | |||
| 555 | create_got_section (bfd *dynobj, struct bfd_link_info *info) | |||
| 556 | { | |||
| 557 | struct elf64_x86_64_link_hash_table *htab; | |||
| 558 | ||||
| 559 | if (! _bfd_elf_create_got_section (dynobj, info)) | |||
| 560 | return FALSE0; | |||
| 561 | ||||
| 562 | htab = elf64_x86_64_hash_table (info)((struct elf64_x86_64_link_hash_table *) ((info)->hash)); | |||
| 563 | htab->sgot = bfd_get_section_by_name (dynobj, ".got"); | |||
| 564 | htab->sgotplt = bfd_get_section_by_name (dynobj, ".got.plt"); | |||
| 565 | if (!htab->sgot || !htab->sgotplt) | |||
| 566 | abort ()_bfd_abort ("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" , 566, __PRETTY_FUNCTION__); | |||
| 567 | ||||
| 568 | htab->srelgot = bfd_make_section_with_flags (dynobj, ".rela.got", | |||
| 569 | (SEC_ALLOC0x001 | SEC_LOAD0x002 | |||
| 570 | | SEC_HAS_CONTENTS0x100 | |||
| 571 | | SEC_IN_MEMORY0x4000 | |||
| 572 | | SEC_LINKER_CREATED0x200000 | |||
| 573 | | SEC_READONLY0x008)); | |||
| 574 | if (htab->srelgot == NULL((void*)0) | |||
| 575 | || ! bfd_set_section_alignment (dynobj, htab->srelgot, 3)(((htab->srelgot)->alignment_power = (3)),1)) | |||
| 576 | return FALSE0; | |||
| 577 | return TRUE1; | |||
| 578 | } | |||
| 579 | ||||
| 580 | /* Create .plt, .rela.plt, .got, .got.plt, .rela.got, .dynbss, and | |||
| 581 | .rela.bss sections in DYNOBJ, and set up shortcuts to them in our | |||
| 582 | hash table. */ | |||
| 583 | ||||
| 584 | static bfd_boolean | |||
| 585 | elf64_x86_64_create_dynamic_sections (bfd *dynobj, struct bfd_link_info *info) | |||
| 586 | { | |||
| 587 | struct elf64_x86_64_link_hash_table *htab; | |||
| 588 | ||||
| 589 | htab = elf64_x86_64_hash_table (info)((struct elf64_x86_64_link_hash_table *) ((info)->hash)); | |||
| 590 | if (!htab->sgot && !create_got_section (dynobj, info)) | |||
| 591 | return FALSE0; | |||
| 592 | ||||
| 593 | if (!_bfd_elf_create_dynamic_sections (dynobj, info)) | |||
| 594 | return FALSE0; | |||
| 595 | ||||
| 596 | htab->splt = bfd_get_section_by_name (dynobj, ".plt"); | |||
| 597 | htab->srelplt = bfd_get_section_by_name (dynobj, ".rela.plt"); | |||
| 598 | htab->sdynbss = bfd_get_section_by_name (dynobj, ".dynbss"); | |||
| 599 | if (!info->shared) | |||
| 600 | htab->srelbss = bfd_get_section_by_name (dynobj, ".rela.bss"); | |||
| 601 | ||||
| 602 | if (!htab->splt || !htab->srelplt || !htab->sdynbss | |||
| 603 | || (!info->shared && !htab->srelbss)) | |||
| 604 | abort ()_bfd_abort ("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" , 604, __PRETTY_FUNCTION__); | |||
| 605 | ||||
| 606 | return TRUE1; | |||
| 607 | } | |||
| 608 | ||||
| 609 | /* Copy the extra info we tack onto an elf_link_hash_entry. */ | |||
| 610 | ||||
| 611 | static void | |||
| 612 | elf64_x86_64_copy_indirect_symbol (struct bfd_link_info *info, | |||
| 613 | struct elf_link_hash_entry *dir, | |||
| 614 | struct elf_link_hash_entry *ind) | |||
| 615 | { | |||
| 616 | struct elf64_x86_64_link_hash_entry *edir, *eind; | |||
| 617 | ||||
| 618 | edir = (struct elf64_x86_64_link_hash_entry *) dir; | |||
| 619 | eind = (struct elf64_x86_64_link_hash_entry *) ind; | |||
| 620 | ||||
| 621 | if (eind->dyn_relocs != NULL((void*)0)) | |||
| 622 | { | |||
| 623 | if (edir->dyn_relocs != NULL((void*)0)) | |||
| 624 | { | |||
| 625 | struct elf64_x86_64_dyn_relocs **pp; | |||
| 626 | struct elf64_x86_64_dyn_relocs *p; | |||
| 627 | ||||
| 628 | /* Add reloc counts against the indirect sym to the direct sym | |||
| 629 | list. Merge any entries against the same section. */ | |||
| 630 | for (pp = &eind->dyn_relocs; (p = *pp) != NULL((void*)0); ) | |||
| 631 | { | |||
| 632 | struct elf64_x86_64_dyn_relocs *q; | |||
| 633 | ||||
| 634 | for (q = edir->dyn_relocs; q != NULL((void*)0); q = q->next) | |||
| 635 | if (q->sec == p->sec) | |||
| 636 | { | |||
| 637 | q->pc_count += p->pc_count; | |||
| 638 | q->count += p->count; | |||
| 639 | *pp = p->next; | |||
| 640 | break; | |||
| 641 | } | |||
| 642 | if (q == NULL((void*)0)) | |||
| 643 | pp = &p->next; | |||
| 644 | } | |||
| 645 | *pp = edir->dyn_relocs; | |||
| 646 | } | |||
| 647 | ||||
| 648 | edir->dyn_relocs = eind->dyn_relocs; | |||
| 649 | eind->dyn_relocs = NULL((void*)0); | |||
| 650 | } | |||
| 651 | ||||
| 652 | if (ind->root.type == bfd_link_hash_indirect | |||
| 653 | && dir->got.refcount <= 0) | |||
| 654 | { | |||
| 655 | edir->tls_type = eind->tls_type; | |||
| 656 | eind->tls_type = GOT_UNKNOWN0; | |||
| 657 | } | |||
| 658 | ||||
| 659 | if (ELIMINATE_COPY_RELOCS1 | |||
| 660 | && ind->root.type != bfd_link_hash_indirect | |||
| 661 | && dir->dynamic_adjusted) | |||
| 662 | { | |||
| 663 | /* If called to transfer flags for a weakdef during processing | |||
| 664 | of elf_adjust_dynamic_symbol, don't copy non_got_ref. | |||
| 665 | We clear it ourselves for ELIMINATE_COPY_RELOCS. */ | |||
| 666 | dir->ref_dynamic |= ind->ref_dynamic; | |||
| 667 | dir->ref_regular |= ind->ref_regular; | |||
| 668 | dir->ref_regular_nonweak |= ind->ref_regular_nonweak; | |||
| 669 | dir->needs_plt |= ind->needs_plt; | |||
| 670 | dir->pointer_equality_needed |= ind->pointer_equality_needed; | |||
| 671 | } | |||
| 672 | else | |||
| 673 | _bfd_elf_link_hash_copy_indirect (info, dir, ind); | |||
| 674 | } | |||
| 675 | ||||
| 676 | static bfd_boolean | |||
| 677 | elf64_x86_64_mkobject (bfd *abfd) | |||
| 678 | { | |||
| 679 | bfd_size_type amt = sizeof (struct elf64_x86_64_obj_tdata); | |||
| 680 | abfd->tdata.any = bfd_zalloc (abfd, amt); | |||
| 681 | if (abfd->tdata.any == NULL((void*)0)) | |||
| 682 | return FALSE0; | |||
| 683 | return TRUE1; | |||
| 684 | } | |||
| 685 | ||||
| 686 | static bfd_boolean | |||
| 687 | elf64_x86_64_elf_object_p (bfd *abfd) | |||
| 688 | { | |||
| 689 | /* Set the right machine number for an x86-64 elf64 file. */ | |||
| 690 | bfd_default_set_arch_mach (abfd, bfd_arch_i386, bfd_mach_x86_6464); | |||
| 691 | return TRUE1; | |||
| 692 | } | |||
| 693 | ||||
| 694 | static int | |||
| 695 | elf64_x86_64_tls_transition (struct bfd_link_info *info, int r_type, int is_local) | |||
| 696 | { | |||
| 697 | if (info->shared && !info->executable) | |||
| 698 | return r_type; | |||
| 699 | ||||
| 700 | switch (r_type) | |||
| 701 | { | |||
| 702 | case R_X86_64_TLSGD: | |||
| 703 | case R_X86_64_GOTPC32_TLSDESC: | |||
| 704 | case R_X86_64_TLSDESC_CALL: | |||
| 705 | case R_X86_64_GOTTPOFF: | |||
| 706 | if (is_local) | |||
| 707 | return R_X86_64_TPOFF32; | |||
| 708 | return R_X86_64_GOTTPOFF; | |||
| 709 | case R_X86_64_TLSLD: | |||
| 710 | return R_X86_64_TPOFF32; | |||
| 711 | } | |||
| 712 | ||||
| 713 | return r_type; | |||
| 714 | } | |||
| 715 | ||||
| 716 | /* Look through the relocs for a section during the first phase, and | |||
| 717 | calculate needed space in the global offset table, procedure | |||
| 718 | linkage table, and dynamic reloc sections. */ | |||
| 719 | ||||
| 720 | static bfd_boolean | |||
| 721 | elf64_x86_64_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec, | |||
| 722 | const Elf_Internal_Rela *relocs) | |||
| 723 | { | |||
| 724 | struct elf64_x86_64_link_hash_table *htab; | |||
| 725 | Elf_Internal_Shdr *symtab_hdr; | |||
| 726 | struct elf_link_hash_entry **sym_hashes; | |||
| 727 | const Elf_Internal_Rela *rel; | |||
| 728 | const Elf_Internal_Rela *rel_end; | |||
| 729 | asection *sreloc; | |||
| 730 | ||||
| 731 | if (info->relocatable) | |||
| 732 | return TRUE1; | |||
| 733 | ||||
| 734 | htab = elf64_x86_64_hash_table (info)((struct elf64_x86_64_link_hash_table *) ((info)->hash)); | |||
| 735 | symtab_hdr = &elf_tdata (abfd)((abfd) -> tdata.elf_obj_data)->symtab_hdr; | |||
| 736 | sym_hashes = elf_sym_hashes (abfd)(((abfd) -> tdata.elf_obj_data) -> sym_hashes); | |||
| 737 | ||||
| 738 | sreloc = NULL((void*)0); | |||
| 739 | ||||
| 740 | rel_end = relocs + sec->reloc_count; | |||
| 741 | for (rel = relocs; rel < rel_end; rel++) | |||
| 742 | { | |||
| 743 | unsigned int r_type; | |||
| 744 | unsigned long r_symndx; | |||
| 745 | struct elf_link_hash_entry *h; | |||
| 746 | ||||
| 747 | r_symndx = ELF64_R_SYM (rel->r_info)((rel->r_info) >> 32); | |||
| 748 | r_type = ELF64_R_TYPE (rel->r_info)((rel->r_info) & 0xffffffff); | |||
| 749 | ||||
| 750 | if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr)((symtab_hdr)->sh_size / (symtab_hdr)->sh_entsize)) | |||
| 751 | { | |||
| 752 | (*_bfd_error_handler) (_("%B: bad symbol index: %d")("%B: bad symbol index: %d"), | |||
| 753 | abfd, r_symndx); | |||
| 754 | return FALSE0; | |||
| 755 | } | |||
| 756 | ||||
| 757 | if (r_symndx < symtab_hdr->sh_info) | |||
| 758 | h = NULL((void*)0); | |||
| 759 | else | |||
| 760 | { | |||
| 761 | h = sym_hashes[r_symndx - symtab_hdr->sh_info]; | |||
| 762 | while (h->root.type == bfd_link_hash_indirect | |||
| 763 | || h->root.type == bfd_link_hash_warning) | |||
| 764 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |||
| 765 | } | |||
| 766 | ||||
| 767 | r_type = elf64_x86_64_tls_transition (info, r_type, h == NULL((void*)0)); | |||
| 768 | switch (r_type) | |||
| 769 | { | |||
| 770 | case R_X86_64_TLSLD: | |||
| 771 | htab->tls_ld_got.refcount += 1; | |||
| 772 | goto create_got; | |||
| 773 | ||||
| 774 | case R_X86_64_TPOFF32: | |||
| 775 | if (info->shared && !info->executable) | |||
| 776 | { | |||
| 777 | (*_bfd_error_handler) | |||
| 778 | (_("%B: relocation %s against `%s' can not be used when making a shared object; recompile with -fPIC")("%B: relocation %s against `%s' can not be used when making a shared object; recompile with -fPIC" ), | |||
| 779 | abfd, | |||
| 780 | x86_64_elf_howto_table[r_type].name, | |||
| 781 | (h) ? h->root.root.string : "a local symbol"); | |||
| 782 | bfd_set_error (bfd_error_bad_value); | |||
| 783 | return FALSE0; | |||
| 784 | } | |||
| 785 | break; | |||
| 786 | ||||
| 787 | case R_X86_64_GOTTPOFF: | |||
| 788 | if (info->shared && !info->executable) | |||
| 789 | info->flags |= DF_STATIC_TLS(1 << 4); | |||
| 790 | /* Fall through */ | |||
| 791 | ||||
| 792 | case R_X86_64_GOT32: | |||
| 793 | case R_X86_64_GOTPCREL: | |||
| 794 | case R_X86_64_TLSGD: | |||
| 795 | case R_X86_64_GOT64: | |||
| 796 | case R_X86_64_GOTPCREL64: | |||
| 797 | case R_X86_64_GOTPLT64: | |||
| 798 | case R_X86_64_GOTPC32_TLSDESC: | |||
| 799 | case R_X86_64_TLSDESC_CALL: | |||
| 800 | /* This symbol requires a global offset table entry. */ | |||
| 801 | { | |||
| 802 | int tls_type, old_tls_type; | |||
| 803 | ||||
| 804 | switch (r_type) | |||
| 805 | { | |||
| 806 | default: tls_type = GOT_NORMAL1; break; | |||
| 807 | case R_X86_64_TLSGD: tls_type = GOT_TLS_GD2; break; | |||
| 808 | case R_X86_64_GOTTPOFF: tls_type = GOT_TLS_IE3; break; | |||
| 809 | case R_X86_64_GOTPC32_TLSDESC: | |||
| 810 | case R_X86_64_TLSDESC_CALL: | |||
| 811 | tls_type = GOT_TLS_GDESC4; break; | |||
| 812 | } | |||
| 813 | ||||
| 814 | if (h != NULL((void*)0)) | |||
| 815 | { | |||
| 816 | if (r_type == R_X86_64_GOTPLT64) | |||
| 817 | { | |||
| 818 | /* This relocation indicates that we also need | |||
| 819 | a PLT entry, as this is a function. We don't need | |||
| 820 | a PLT entry for local symbols. */ | |||
| 821 | h->needs_plt = 1; | |||
| 822 | h->plt.refcount += 1; | |||
| 823 | } | |||
| 824 | h->got.refcount += 1; | |||
| 825 | old_tls_type = elf64_x86_64_hash_entry (h)((struct elf64_x86_64_link_hash_entry *)(h))->tls_type; | |||
| 826 | } | |||
| 827 | else | |||
| 828 | { | |||
| 829 | bfd_signed_vma *local_got_refcounts; | |||
| 830 | ||||
| 831 | /* This is a global offset table entry for a local symbol. */ | |||
| 832 | local_got_refcounts = elf_local_got_refcounts (abfd)(((abfd) -> tdata.elf_obj_data) -> local_got.refcounts); | |||
| 833 | if (local_got_refcounts == NULL((void*)0)) | |||
| 834 | { | |||
| 835 | bfd_size_type size; | |||
| 836 | ||||
| 837 | size = symtab_hdr->sh_info; | |||
| 838 | size *= sizeof (bfd_signed_vma) | |||
| 839 | + sizeof (bfd_vma) + sizeof (char); | |||
| 840 | local_got_refcounts = ((bfd_signed_vma *) | |||
| 841 | bfd_zalloc (abfd, size)); | |||
| 842 | if (local_got_refcounts == NULL((void*)0)) | |||
| 843 | return FALSE0; | |||
| 844 | elf_local_got_refcounts (abfd)(((abfd) -> tdata.elf_obj_data) -> local_got.refcounts) = local_got_refcounts; | |||
| 845 | elf64_x86_64_local_tlsdesc_gotent (abfd)(((struct elf64_x86_64_obj_tdata *) (abfd)->tdata.any)-> local_tlsdesc_gotent) | |||
| 846 | = (bfd_vma *) (local_got_refcounts + symtab_hdr->sh_info); | |||
| 847 | elf64_x86_64_local_got_tls_type (abfd)(((struct elf64_x86_64_obj_tdata *) (abfd)->tdata.any)-> local_got_tls_type) | |||
| 848 | = (char *) (local_got_refcounts + 2 * symtab_hdr->sh_info); | |||
| 849 | } | |||
| 850 | local_got_refcounts[r_symndx] += 1; | |||
| 851 | old_tls_type | |||
| 852 | = elf64_x86_64_local_got_tls_type (abfd)(((struct elf64_x86_64_obj_tdata *) (abfd)->tdata.any)-> local_got_tls_type) [r_symndx]; | |||
| 853 | } | |||
| 854 | ||||
| 855 | /* If a TLS symbol is accessed using IE at least once, | |||
| 856 | there is no point to use dynamic model for it. */ | |||
| 857 | if (old_tls_type != tls_type && old_tls_type != GOT_UNKNOWN0 | |||
| 858 | && (! GOT_TLS_GD_ANY_P (old_tls_type)(((old_tls_type) == 2 || ((old_tls_type) == (2 | 4))) || ((old_tls_type ) == 4 || ((old_tls_type) == (2 | 4)))) | |||
| 859 | || tls_type != GOT_TLS_IE3)) | |||
| 860 | { | |||
| 861 | if (old_tls_type == GOT_TLS_IE3 && GOT_TLS_GD_ANY_P (tls_type)(((tls_type) == 2 || ((tls_type) == (2 | 4))) || ((tls_type) == 4 || ((tls_type) == (2 | 4))))) | |||
| 862 | tls_type = old_tls_type; | |||
| 863 | else if (GOT_TLS_GD_ANY_P (old_tls_type)(((old_tls_type) == 2 || ((old_tls_type) == (2 | 4))) || ((old_tls_type ) == 4 || ((old_tls_type) == (2 | 4)))) | |||
| 864 | && GOT_TLS_GD_ANY_P (tls_type)(((tls_type) == 2 || ((tls_type) == (2 | 4))) || ((tls_type) == 4 || ((tls_type) == (2 | 4))))) | |||
| 865 | tls_type |= old_tls_type; | |||
| 866 | else | |||
| 867 | { | |||
| 868 | (*_bfd_error_handler) | |||
| 869 | (_("%B: %s' accessed both as normal and thread local symbol")("%B: %s' accessed both as normal and thread local symbol"), | |||
| 870 | abfd, h ? h->root.root.string : "<local>"); | |||
| 871 | return FALSE0; | |||
| 872 | } | |||
| 873 | } | |||
| 874 | ||||
| 875 | if (old_tls_type != tls_type) | |||
| 876 | { | |||
| 877 | if (h != NULL((void*)0)) | |||
| 878 | elf64_x86_64_hash_entry (h)((struct elf64_x86_64_link_hash_entry *)(h))->tls_type = tls_type; | |||
| 879 | else | |||
| 880 | elf64_x86_64_local_got_tls_type (abfd)(((struct elf64_x86_64_obj_tdata *) (abfd)->tdata.any)-> local_got_tls_type) [r_symndx] = tls_type; | |||
| 881 | } | |||
| 882 | } | |||
| 883 | /* Fall through */ | |||
| 884 | ||||
| 885 | case R_X86_64_GOTOFF64: | |||
| 886 | case R_X86_64_GOTPC32: | |||
| 887 | case R_X86_64_GOTPC64: | |||
| 888 | create_got: | |||
| 889 | if (htab->sgot == NULL((void*)0)) | |||
| 890 | { | |||
| 891 | if (htab->elf.dynobj == NULL((void*)0)) | |||
| 892 | htab->elf.dynobj = abfd; | |||
| 893 | if (!create_got_section (htab->elf.dynobj, info)) | |||
| 894 | return FALSE0; | |||
| 895 | } | |||
| 896 | break; | |||
| 897 | ||||
| 898 | case R_X86_64_PLT32: | |||
| 899 | /* This symbol requires a procedure linkage table entry. We | |||
| 900 | actually build the entry in adjust_dynamic_symbol, | |||
| 901 | because this might be a case of linking PIC code which is | |||
| 902 | never referenced by a dynamic object, in which case we | |||
| 903 | don't need to generate a procedure linkage table entry | |||
| 904 | after all. */ | |||
| 905 | ||||
| 906 | /* If this is a local symbol, we resolve it directly without | |||
| 907 | creating a procedure linkage table entry. */ | |||
| 908 | if (h == NULL((void*)0)) | |||
| 909 | continue; | |||
| 910 | ||||
| 911 | h->needs_plt = 1; | |||
| 912 | h->plt.refcount += 1; | |||
| 913 | break; | |||
| 914 | ||||
| 915 | case R_X86_64_PLTOFF64: | |||
| 916 | /* This tries to form the 'address' of a function relative | |||
| 917 | to GOT. For global symbols we need a PLT entry. */ | |||
| 918 | if (h != NULL((void*)0)) | |||
| 919 | { | |||
| 920 | h->needs_plt = 1; | |||
| 921 | h->plt.refcount += 1; | |||
| 922 | } | |||
| 923 | goto create_got; | |||
| 924 | ||||
| 925 | case R_X86_64_8: | |||
| 926 | case R_X86_64_16: | |||
| 927 | case R_X86_64_32: | |||
| 928 | case R_X86_64_32S: | |||
| 929 | /* Let's help debug shared library creation. These relocs | |||
| 930 | cannot be used in shared libs. Don't error out for | |||
| 931 | sections we don't care about, such as debug sections or | |||
| 932 | non-constant sections. */ | |||
| 933 | if (info->shared | |||
| 934 | && (sec->flags & SEC_ALLOC0x001) != 0 | |||
| 935 | && (sec->flags & SEC_READONLY0x008) != 0) | |||
| 936 | { | |||
| 937 | (*_bfd_error_handler) | |||
| 938 | (_("%B: relocation %s against `%s' can not be used when making a shared object; recompile with -fPIC")("%B: relocation %s against `%s' can not be used when making a shared object; recompile with -fPIC" ), | |||
| 939 | abfd, | |||
| 940 | x86_64_elf_howto_table[r_type].name, | |||
| 941 | (h) ? h->root.root.string : "a local symbol"); | |||
| 942 | bfd_set_error (bfd_error_bad_value); | |||
| 943 | return FALSE0; | |||
| 944 | } | |||
| 945 | /* Fall through. */ | |||
| 946 | ||||
| 947 | case R_X86_64_PC8: | |||
| 948 | case R_X86_64_PC16: | |||
| 949 | case R_X86_64_PC32: | |||
| 950 | case R_X86_64_PC64: | |||
| 951 | case R_X86_64_64: | |||
| 952 | if (h != NULL((void*)0) && !info->shared) | |||
| 953 | { | |||
| 954 | /* If this reloc is in a read-only section, we might | |||
| 955 | need a copy reloc. We can't check reliably at this | |||
| 956 | stage whether the section is read-only, as input | |||
| 957 | sections have not yet been mapped to output sections. | |||
| 958 | Tentatively set the flag for now, and correct in | |||
| 959 | adjust_dynamic_symbol. */ | |||
| 960 | h->non_got_ref = 1; | |||
| 961 | ||||
| 962 | /* We may need a .plt entry if the function this reloc | |||
| 963 | refers to is in a shared lib. */ | |||
| 964 | h->plt.refcount += 1; | |||
| 965 | if (r_type != R_X86_64_PC32 && r_type != R_X86_64_PC64) | |||
| 966 | h->pointer_equality_needed = 1; | |||
| 967 | } | |||
| 968 | ||||
| 969 | /* If we are creating a shared library, and this is a reloc | |||
| 970 | against a global symbol, or a non PC relative reloc | |||
| 971 | against a local symbol, then we need to copy the reloc | |||
| 972 | into the shared library. However, if we are linking with | |||
| 973 | -Bsymbolic, we do not need to copy a reloc against a | |||
| 974 | global symbol which is defined in an object we are | |||
| 975 | including in the link (i.e., DEF_REGULAR is set). At | |||
| 976 | this point we have not seen all the input files, so it is | |||
| 977 | possible that DEF_REGULAR is not set now but will be set | |||
| 978 | later (it is never cleared). In case of a weak definition, | |||
| 979 | DEF_REGULAR may be cleared later by a strong definition in | |||
| 980 | a shared library. We account for that possibility below by | |||
| 981 | storing information in the relocs_copied field of the hash | |||
| 982 | table entry. A similar situation occurs when creating | |||
| 983 | shared libraries and symbol visibility changes render the | |||
| 984 | symbol local. | |||
| 985 | ||||
| 986 | If on the other hand, we are creating an executable, we | |||
| 987 | may need to keep relocations for symbols satisfied by a | |||
| 988 | dynamic library if we manage to avoid copy relocs for the | |||
| 989 | symbol. */ | |||
| 990 | if ((info->shared | |||
| 991 | && (sec->flags & SEC_ALLOC0x001) != 0 | |||
| 992 | && (((r_type != R_X86_64_PC8) | |||
| 993 | && (r_type != R_X86_64_PC16) | |||
| 994 | && (r_type != R_X86_64_PC32) | |||
| 995 | && (r_type != R_X86_64_PC64)) | |||
| 996 | || (h != NULL((void*)0) | |||
| 997 | && (! info->symbolic | |||
| 998 | || h->root.type == bfd_link_hash_defweak | |||
| 999 | || !h->def_regular)))) | |||
| 1000 | || (ELIMINATE_COPY_RELOCS1 | |||
| 1001 | && !info->shared | |||
| 1002 | && (sec->flags & SEC_ALLOC0x001) != 0 | |||
| 1003 | && h != NULL((void*)0) | |||
| 1004 | && (h->root.type == bfd_link_hash_defweak | |||
| 1005 | || !h->def_regular))) | |||
| 1006 | { | |||
| 1007 | struct elf64_x86_64_dyn_relocs *p; | |||
| 1008 | struct elf64_x86_64_dyn_relocs **head; | |||
| 1009 | ||||
| 1010 | /* We must copy these reloc types into the output file. | |||
| 1011 | Create a reloc section in dynobj and make room for | |||
| 1012 | this reloc. */ | |||
| 1013 | if (sreloc == NULL((void*)0)) | |||
| 1014 | { | |||
| 1015 | const char *name; | |||
| 1016 | bfd *dynobj; | |||
| 1017 | ||||
| 1018 | name = (bfd_elf_string_from_elf_section | |||
| 1019 | (abfd, | |||
| 1020 | elf_elfheader (abfd)(((abfd) -> tdata.elf_obj_data) -> elf_header)->e_shstrndx, | |||
| 1021 | elf_section_data (sec)((struct bfd_elf_section_data*)(sec)->used_by_bfd)->rel_hdr.sh_name)); | |||
| 1022 | if (name == NULL((void*)0)) | |||
| 1023 | return FALSE0; | |||
| 1024 | ||||
| 1025 | if (strncmp (name, ".rela", 5) != 0 | |||
| 1026 | || strcmp (bfd_get_section_name (abfd, sec)((sec)->name + 0), | |||
| 1027 | name + 5) != 0) | |||
| 1028 | { | |||
| 1029 | (*_bfd_error_handler) | |||
| 1030 | (_("%B: bad relocation section name `%s\'")("%B: bad relocation section name `%s\'"), | |||
| 1031 | abfd, name); | |||
| 1032 | } | |||
| 1033 | ||||
| 1034 | if (htab->elf.dynobj == NULL((void*)0)) | |||
| 1035 | htab->elf.dynobj = abfd; | |||
| 1036 | ||||
| 1037 | dynobj = htab->elf.dynobj; | |||
| 1038 | ||||
| 1039 | sreloc = bfd_get_section_by_name (dynobj, name); | |||
| 1040 | if (sreloc == NULL((void*)0)) | |||
| 1041 | { | |||
| 1042 | flagword flags; | |||
| 1043 | ||||
| 1044 | flags = (SEC_HAS_CONTENTS0x100 | SEC_READONLY0x008 | |||
| 1045 | | SEC_IN_MEMORY0x4000 | SEC_LINKER_CREATED0x200000); | |||
| 1046 | if ((sec->flags & SEC_ALLOC0x001) != 0) | |||
| 1047 | flags |= SEC_ALLOC0x001 | SEC_LOAD0x002; | |||
| 1048 | sreloc = bfd_make_section_with_flags (dynobj, | |||
| 1049 | name, | |||
| 1050 | flags); | |||
| 1051 | if (sreloc == NULL((void*)0) | |||
| 1052 | || ! bfd_set_section_alignment (dynobj, sreloc, 3)(((sreloc)->alignment_power = (3)),1)) | |||
| 1053 | return FALSE0; | |||
| 1054 | } | |||
| 1055 | elf_section_data (sec)((struct bfd_elf_section_data*)(sec)->used_by_bfd)->sreloc = sreloc; | |||
| 1056 | } | |||
| 1057 | ||||
| 1058 | /* If this is a global symbol, we count the number of | |||
| 1059 | relocations we need for this symbol. */ | |||
| 1060 | if (h != NULL((void*)0)) | |||
| 1061 | { | |||
| 1062 | head = &((struct elf64_x86_64_link_hash_entry *) h)->dyn_relocs; | |||
| 1063 | } | |||
| 1064 | else | |||
| 1065 | { | |||
| 1066 | void **vpp; | |||
| 1067 | /* Track dynamic relocs needed for local syms too. | |||
| 1068 | We really need local syms available to do this | |||
| 1069 | easily. Oh well. */ | |||
| 1070 | ||||
| 1071 | asection *s; | |||
| 1072 | s = bfd_section_from_r_symndx (abfd, &htab->sym_sec, | |||
| 1073 | sec, r_symndx); | |||
| 1074 | if (s == NULL((void*)0)) | |||
| 1075 | return FALSE0; | |||
| 1076 | ||||
| 1077 | /* Beware of type punned pointers vs strict aliasing | |||
| 1078 | rules. */ | |||
| 1079 | vpp = &(elf_section_data (s)((struct bfd_elf_section_data*)(s)->used_by_bfd)->local_dynrel); | |||
| 1080 | head = (struct elf64_x86_64_dyn_relocs **)vpp; | |||
| 1081 | } | |||
| 1082 | ||||
| 1083 | p = *head; | |||
| 1084 | if (p == NULL((void*)0) || p->sec != sec) | |||
| 1085 | { | |||
| 1086 | bfd_size_type amt = sizeof *p; | |||
| 1087 | p = ((struct elf64_x86_64_dyn_relocs *) | |||
| 1088 | bfd_alloc (htab->elf.dynobj, amt)); | |||
| 1089 | if (p == NULL((void*)0)) | |||
| 1090 | return FALSE0; | |||
| 1091 | p->next = *head; | |||
| 1092 | *head = p; | |||
| 1093 | p->sec = sec; | |||
| 1094 | p->count = 0; | |||
| 1095 | p->pc_count = 0; | |||
| 1096 | } | |||
| 1097 | ||||
| 1098 | p->count += 1; | |||
| 1099 | if (r_type == R_X86_64_PC8 | |||
| 1100 | || r_type == R_X86_64_PC16 | |||
| 1101 | || r_type == R_X86_64_PC32 | |||
| 1102 | || r_type == R_X86_64_PC64) | |||
| 1103 | p->pc_count += 1; | |||
| 1104 | } | |||
| 1105 | break; | |||
| 1106 | ||||
| 1107 | /* This relocation describes the C++ object vtable hierarchy. | |||
| 1108 | Reconstruct it for later use during GC. */ | |||
| 1109 | case R_X86_64_GNU_VTINHERIT: | |||
| 1110 | if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset)) | |||
| 1111 | return FALSE0; | |||
| 1112 | break; | |||
| 1113 | ||||
| 1114 | /* This relocation describes which C++ vtable entries are actually | |||
| 1115 | used. Record for later use during GC. */ | |||
| 1116 | case R_X86_64_GNU_VTENTRY: | |||
| 1117 | if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend)) | |||
| 1118 | return FALSE0; | |||
| 1119 | break; | |||
| 1120 | ||||
| 1121 | default: | |||
| 1122 | break; | |||
| 1123 | } | |||
| 1124 | } | |||
| 1125 | ||||
| 1126 | return TRUE1; | |||
| 1127 | } | |||
| 1128 | ||||
| 1129 | /* Return the section that should be marked against GC for a given | |||
| 1130 | relocation. */ | |||
| 1131 | ||||
| 1132 | static asection * | |||
| 1133 | elf64_x86_64_gc_mark_hook (asection *sec, | |||
| 1134 | struct bfd_link_info *info ATTRIBUTE_UNUSED__attribute__ ((__unused__)), | |||
| 1135 | Elf_Internal_Rela *rel, | |||
| 1136 | struct elf_link_hash_entry *h, | |||
| 1137 | Elf_Internal_Sym *sym) | |||
| 1138 | { | |||
| 1139 | if (h != NULL((void*)0)) | |||
| 1140 | { | |||
| 1141 | switch (ELF64_R_TYPE (rel->r_info)((rel->r_info) & 0xffffffff)) | |||
| 1142 | { | |||
| 1143 | case R_X86_64_GNU_VTINHERIT: | |||
| 1144 | case R_X86_64_GNU_VTENTRY: | |||
| 1145 | break; | |||
| 1146 | ||||
| 1147 | default: | |||
| 1148 | switch (h->root.type) | |||
| 1149 | { | |||
| 1150 | case bfd_link_hash_defined: | |||
| 1151 | case bfd_link_hash_defweak: | |||
| 1152 | return h->root.u.def.section; | |||
| 1153 | ||||
| 1154 | case bfd_link_hash_common: | |||
| 1155 | return h->root.u.c.p->section; | |||
| 1156 | ||||
| 1157 | default: | |||
| 1158 | break; | |||
| 1159 | } | |||
| 1160 | } | |||
| 1161 | } | |||
| 1162 | else | |||
| 1163 | return bfd_section_from_elf_index (sec->owner, sym->st_shndx); | |||
| 1164 | ||||
| 1165 | return NULL((void*)0); | |||
| 1166 | } | |||
| 1167 | ||||
| 1168 | /* Update the got entry reference counts for the section being removed. */ | |||
| 1169 | ||||
| 1170 | static bfd_boolean | |||
| 1171 | elf64_x86_64_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info, | |||
| 1172 | asection *sec, const Elf_Internal_Rela *relocs) | |||
| 1173 | { | |||
| 1174 | Elf_Internal_Shdr *symtab_hdr; | |||
| 1175 | struct elf_link_hash_entry **sym_hashes; | |||
| 1176 | bfd_signed_vma *local_got_refcounts; | |||
| 1177 | const Elf_Internal_Rela *rel, *relend; | |||
| 1178 | ||||
| 1179 | elf_section_data (sec)((struct bfd_elf_section_data*)(sec)->used_by_bfd)->local_dynrel = NULL((void*)0); | |||
| 1180 | ||||
| 1181 | symtab_hdr = &elf_tdata (abfd)((abfd) -> tdata.elf_obj_data)->symtab_hdr; | |||
| 1182 | sym_hashes = elf_sym_hashes (abfd)(((abfd) -> tdata.elf_obj_data) -> sym_hashes); | |||
| 1183 | local_got_refcounts = elf_local_got_refcounts (abfd)(((abfd) -> tdata.elf_obj_data) -> local_got.refcounts); | |||
| 1184 | ||||
| 1185 | relend = relocs + sec->reloc_count; | |||
| 1186 | for (rel = relocs; rel < relend; rel++) | |||
| 1187 | { | |||
| 1188 | unsigned long r_symndx; | |||
| 1189 | unsigned int r_type; | |||
| 1190 | struct elf_link_hash_entry *h = NULL((void*)0); | |||
| 1191 | ||||
| 1192 | r_symndx = ELF64_R_SYM (rel->r_info)((rel->r_info) >> 32); | |||
| 1193 | if (r_symndx >= symtab_hdr->sh_info) | |||
| 1194 | { | |||
| 1195 | struct elf64_x86_64_link_hash_entry *eh; | |||
| 1196 | struct elf64_x86_64_dyn_relocs **pp; | |||
| 1197 | struct elf64_x86_64_dyn_relocs *p; | |||
| 1198 | ||||
| 1199 | h = sym_hashes[r_symndx - symtab_hdr->sh_info]; | |||
| 1200 | while (h->root.type == bfd_link_hash_indirect | |||
| 1201 | || h->root.type == bfd_link_hash_warning) | |||
| 1202 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |||
| 1203 | eh = (struct elf64_x86_64_link_hash_entry *) h; | |||
| 1204 | ||||
| 1205 | for (pp = &eh->dyn_relocs; (p = *pp) != NULL((void*)0); pp = &p->next) | |||
| 1206 | if (p->sec == sec) | |||
| 1207 | { | |||
| 1208 | /* Everything must go for SEC. */ | |||
| 1209 | *pp = p->next; | |||
| 1210 | break; | |||
| 1211 | } | |||
| 1212 | } | |||
| 1213 | ||||
| 1214 | r_type = ELF64_R_TYPE (rel->r_info)((rel->r_info) & 0xffffffff); | |||
| 1215 | r_type = elf64_x86_64_tls_transition (info, r_type, h != NULL((void*)0)); | |||
| 1216 | switch (r_type) | |||
| 1217 | { | |||
| 1218 | case R_X86_64_TLSLD: | |||
| 1219 | if (elf64_x86_64_hash_table (info)((struct elf64_x86_64_link_hash_table *) ((info)->hash))->tls_ld_got.refcount > 0) | |||
| 1220 | elf64_x86_64_hash_table (info)((struct elf64_x86_64_link_hash_table *) ((info)->hash))->tls_ld_got.refcount -= 1; | |||
| 1221 | break; | |||
| 1222 | ||||
| 1223 | case R_X86_64_TLSGD: | |||
| 1224 | case R_X86_64_GOTPC32_TLSDESC: | |||
| 1225 | case R_X86_64_TLSDESC_CALL: | |||
| 1226 | case R_X86_64_GOTTPOFF: | |||
| 1227 | case R_X86_64_GOT32: | |||
| 1228 | case R_X86_64_GOTPCREL: | |||
| 1229 | case R_X86_64_GOT64: | |||
| 1230 | case R_X86_64_GOTPCREL64: | |||
| 1231 | case R_X86_64_GOTPLT64: | |||
| 1232 | if (h != NULL((void*)0)) | |||
| 1233 | { | |||
| 1234 | if (r_type == R_X86_64_GOTPLT64 && h->plt.refcount > 0) | |||
| 1235 | h->plt.refcount -= 1; | |||
| 1236 | if (h->got.refcount > 0) | |||
| 1237 | h->got.refcount -= 1; | |||
| 1238 | } | |||
| 1239 | else if (local_got_refcounts != NULL((void*)0)) | |||
| 1240 | { | |||
| 1241 | if (local_got_refcounts[r_symndx] > 0) | |||
| 1242 | local_got_refcounts[r_symndx] -= 1; | |||
| 1243 | } | |||
| 1244 | break; | |||
| 1245 | ||||
| 1246 | case R_X86_64_8: | |||
| 1247 | case R_X86_64_16: | |||
| 1248 | case R_X86_64_32: | |||
| 1249 | case R_X86_64_64: | |||
| 1250 | case R_X86_64_32S: | |||
| 1251 | case R_X86_64_PC8: | |||
| 1252 | case R_X86_64_PC16: | |||
| 1253 | case R_X86_64_PC32: | |||
| 1254 | case R_X86_64_PC64: | |||
| 1255 | if (info->shared) | |||
| 1256 | break; | |||
| 1257 | /* Fall thru */ | |||
| 1258 | ||||
| 1259 | case R_X86_64_PLT32: | |||
| 1260 | case R_X86_64_PLTOFF64: | |||
| 1261 | if (h != NULL((void*)0)) | |||
| 1262 | { | |||
| 1263 | if (h->plt.refcount > 0) | |||
| 1264 | h->plt.refcount -= 1; | |||
| 1265 | } | |||
| 1266 | break; | |||
| 1267 | ||||
| 1268 | default: | |||
| 1269 | break; | |||
| 1270 | } | |||
| 1271 | } | |||
| 1272 | ||||
| 1273 | return TRUE1; | |||
| 1274 | } | |||
| 1275 | ||||
| 1276 | /* Adjust a symbol defined by a dynamic object and referenced by a | |||
| 1277 | regular object. The current definition is in some section of the | |||
| 1278 | dynamic object, but we're not including those sections. We have to | |||
| 1279 | change the definition to something the rest of the link can | |||
| 1280 | understand. */ | |||
| 1281 | ||||
| 1282 | static bfd_boolean | |||
| 1283 | elf64_x86_64_adjust_dynamic_symbol (struct bfd_link_info *info, | |||
| 1284 | struct elf_link_hash_entry *h) | |||
| 1285 | { | |||
| 1286 | struct elf64_x86_64_link_hash_table *htab; | |||
| 1287 | asection *s; | |||
| 1288 | unsigned int power_of_two; | |||
| 1289 | ||||
| 1290 | /* If this is a function, put it in the procedure linkage table. We | |||
| 1291 | will fill in the contents of the procedure linkage table later, | |||
| 1292 | when we know the address of the .got section. */ | |||
| 1293 | if (h->type == STT_FUNC2 | |||
| 1294 | || h->needs_plt) | |||
| 1295 | { | |||
| 1296 | if (h->plt.refcount <= 0 | |||
| 1297 | || SYMBOL_CALLS_LOCAL (info, h)_bfd_elf_symbol_refs_local_p (h, info, 1) | |||
| 1298 | || (ELF_ST_VISIBILITY (h->other)((h->other) & 0x3) != STV_DEFAULT0 | |||
| 1299 | && h->root.type == bfd_link_hash_undefweak)) | |||
| 1300 | { | |||
| 1301 | /* This case can occur if we saw a PLT32 reloc in an input | |||
| 1302 | file, but the symbol was never referred to by a dynamic | |||
| 1303 | object, or if all references were garbage collected. In | |||
| 1304 | such a case, we don't actually need to build a procedure | |||
| 1305 | linkage table, and we can just do a PC32 reloc instead. */ | |||
| 1306 | h->plt.offset = (bfd_vma) -1; | |||
| 1307 | h->needs_plt = 0; | |||
| 1308 | } | |||
| 1309 | ||||
| 1310 | return TRUE1; | |||
| 1311 | } | |||
| 1312 | else | |||
| 1313 | /* It's possible that we incorrectly decided a .plt reloc was | |||
| 1314 | needed for an R_X86_64_PC32 reloc to a non-function sym in | |||
| 1315 | check_relocs. We can't decide accurately between function and | |||
| 1316 | non-function syms in check-relocs; Objects loaded later in | |||
| 1317 | the link may change h->type. So fix it now. */ | |||
| 1318 | h->plt.offset = (bfd_vma) -1; | |||
| 1319 | ||||
| 1320 | /* If this is a weak symbol, and there is a real definition, the | |||
| 1321 | processor independent code will have arranged for us to see the | |||
| 1322 | real definition first, and we can just use the same value. */ | |||
| 1323 | if (h->u.weakdef != NULL((void*)0)) | |||
| 1324 | { | |||
| 1325 | BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defineddo { if (!(h->u.weakdef->root.type == bfd_link_hash_defined || h->u.weakdef->root.type == bfd_link_hash_defweak)) bfd_assert ("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c",1326 ); } while (0) | |||
| 1326 | || h->u.weakdef->root.type == bfd_link_hash_defweak)do { if (!(h->u.weakdef->root.type == bfd_link_hash_defined || h->u.weakdef->root.type == bfd_link_hash_defweak)) bfd_assert ("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c",1326 ); } while (0); | |||
| 1327 | h->root.u.def.section = h->u.weakdef->root.u.def.section; | |||
| 1328 | h->root.u.def.value = h->u.weakdef->root.u.def.value; | |||
| 1329 | if (ELIMINATE_COPY_RELOCS1 || info->nocopyreloc) | |||
| 1330 | h->non_got_ref = h->u.weakdef->non_got_ref; | |||
| 1331 | return TRUE1; | |||
| 1332 | } | |||
| 1333 | ||||
| 1334 | /* This is a reference to a symbol defined by a dynamic object which | |||
| 1335 | is not a function. */ | |||
| 1336 | ||||
| 1337 | /* If we are creating a shared library, we must presume that the | |||
| 1338 | only references to the symbol are via the global offset table. | |||
| 1339 | For such cases we need not do anything here; the relocations will | |||
| 1340 | be handled correctly by relocate_section. */ | |||
| 1341 | if (info->shared) | |||
| 1342 | return TRUE1; | |||
| 1343 | ||||
| 1344 | /* If there are no references to this symbol that do not use the | |||
| 1345 | GOT, we don't need to generate a copy reloc. */ | |||
| 1346 | if (!h->non_got_ref) | |||
| 1347 | return TRUE1; | |||
| 1348 | ||||
| 1349 | /* If -z nocopyreloc was given, we won't generate them either. */ | |||
| 1350 | if (info->nocopyreloc) | |||
| 1351 | { | |||
| 1352 | h->non_got_ref = 0; | |||
| 1353 | return TRUE1; | |||
| 1354 | } | |||
| 1355 | ||||
| 1356 | if (ELIMINATE_COPY_RELOCS1) | |||
| 1357 | { | |||
| 1358 | struct elf64_x86_64_link_hash_entry * eh; | |||
| 1359 | struct elf64_x86_64_dyn_relocs *p; | |||
| 1360 | ||||
| 1361 | eh = (struct elf64_x86_64_link_hash_entry *) h; | |||
| 1362 | for (p = eh->dyn_relocs; p != NULL((void*)0); p = p->next) | |||
| 1363 | { | |||
| 1364 | s = p->sec->output_section; | |||
| 1365 | if (s != NULL((void*)0) && (s->flags & SEC_READONLY0x008) != 0) | |||
| 1366 | break; | |||
| 1367 | } | |||
| 1368 | ||||
| 1369 | /* If we didn't find any dynamic relocs in read-only sections, then | |||
| 1370 | we'll be keeping the dynamic relocs and avoiding the copy reloc. */ | |||
| 1371 | if (p == NULL((void*)0)) | |||
| 1372 | { | |||
| 1373 | h->non_got_ref = 0; | |||
| 1374 | return TRUE1; | |||
| 1375 | } | |||
| 1376 | } | |||
| 1377 | ||||
| 1378 | if (h->size == 0) | |||
| 1379 | { | |||
| 1380 | (*_bfd_error_handler) (_("dynamic variable `%s' is zero size")("dynamic variable `%s' is zero size"), | |||
| 1381 | h->root.root.string); | |||
| 1382 | return TRUE1; | |||
| 1383 | } | |||
| 1384 | ||||
| 1385 | /* We must allocate the symbol in our .dynbss section, which will | |||
| 1386 | become part of the .bss section of the executable. There will be | |||
| 1387 | an entry for this symbol in the .dynsym section. The dynamic | |||
| 1388 | object will contain position independent code, so all references | |||
| 1389 | from the dynamic object to this symbol will go through the global | |||
| 1390 | offset table. The dynamic linker will use the .dynsym entry to | |||
| 1391 | determine the address it must put in the global offset table, so | |||
| 1392 | both the dynamic object and the regular object will refer to the | |||
| 1393 | same memory location for the variable. */ | |||
| 1394 | ||||
| 1395 | htab = elf64_x86_64_hash_table (info)((struct elf64_x86_64_link_hash_table *) ((info)->hash)); | |||
| 1396 | ||||
| 1397 | /* We must generate a R_X86_64_COPY reloc to tell the dynamic linker | |||
| 1398 | to copy the initial value out of the dynamic object and into the | |||
| 1399 | runtime process image. */ | |||
| 1400 | if ((h->root.u.def.section->flags & SEC_ALLOC0x001) != 0) | |||
| 1401 | { | |||
| 1402 | htab->srelbss->size += sizeof (Elf64_External_Rela); | |||
| 1403 | h->needs_copy = 1; | |||
| 1404 | } | |||
| 1405 | ||||
| 1406 | /* We need to figure out the alignment required for this symbol. I | |||
| 1407 | have no idea how ELF linkers handle this. 16-bytes is the size | |||
| 1408 | of the largest type that requires hard alignment -- long double. */ | |||
| 1409 | /* FIXME: This is VERY ugly. Should be fixed for all architectures using | |||
| 1410 | this construct. */ | |||
| 1411 | power_of_two = bfd_log2 (h->size); | |||
| 1412 | if (power_of_two > 4) | |||
| 1413 | power_of_two = 4; | |||
| 1414 | ||||
| 1415 | /* Apply the required alignment. */ | |||
| 1416 | s = htab->sdynbss; | |||
| 1417 | s->size = BFD_ALIGN (s->size, (bfd_size_type) (1 << power_of_two))((((bfd_vma) (s->size) + ((bfd_size_type) (1 << power_of_two )) - 1) >= (bfd_vma) (s->size)) ? (((bfd_vma) (s->size ) + (((bfd_size_type) (1 << power_of_two)) - 1)) & ~ (bfd_vma) (((bfd_size_type) (1 << power_of_two))-1)) : ~ (bfd_vma) 0); | |||
| 1418 | if (power_of_two > bfd_get_section_alignment (htab->elf.dynobj, s)((s)->alignment_power + 0)) | |||
| 1419 | { | |||
| 1420 | if (! bfd_set_section_alignment (htab->elf.dynobj, s, power_of_two)(((s)->alignment_power = (power_of_two)),1)) | |||
| 1421 | return FALSE0; | |||
| 1422 | } | |||
| 1423 | ||||
| 1424 | /* Define the symbol as being at this point in the section. */ | |||
| 1425 | h->root.u.def.section = s; | |||
| 1426 | h->root.u.def.value = s->size; | |||
| 1427 | ||||
| 1428 | /* Increment the section size to make room for the symbol. */ | |||
| 1429 | s->size += h->size; | |||
| 1430 | ||||
| 1431 | return TRUE1; | |||
| 1432 | } | |||
| 1433 | ||||
| 1434 | /* Allocate space in .plt, .got and associated reloc sections for | |||
| 1435 | dynamic relocs. */ | |||
| 1436 | ||||
| 1437 | static bfd_boolean | |||
| 1438 | allocate_dynrelocs (struct elf_link_hash_entry *h, void * inf) | |||
| 1439 | { | |||
| 1440 | struct bfd_link_info *info; | |||
| 1441 | struct elf64_x86_64_link_hash_table *htab; | |||
| 1442 | struct elf64_x86_64_link_hash_entry *eh; | |||
| 1443 | struct elf64_x86_64_dyn_relocs *p; | |||
| 1444 | ||||
| 1445 | if (h->root.type == bfd_link_hash_indirect) | |||
| 1446 | return TRUE1; | |||
| 1447 | ||||
| 1448 | if (h->root.type == bfd_link_hash_warning) | |||
| 1449 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |||
| 1450 | ||||
| 1451 | info = (struct bfd_link_info *) inf; | |||
| 1452 | htab = elf64_x86_64_hash_table (info)((struct elf64_x86_64_link_hash_table *) ((info)->hash)); | |||
| 1453 | ||||
| 1454 | if (htab->elf.dynamic_sections_created | |||
| 1455 | && h->plt.refcount > 0) | |||
| 1456 | { | |||
| 1457 | /* Make sure this symbol is output as a dynamic symbol. | |||
| 1458 | Undefined weak syms won't yet be marked as dynamic. */ | |||
| 1459 | if (h->dynindx == -1 | |||
| 1460 | && !h->forced_local) | |||
| 1461 | { | |||
| 1462 | if (! bfd_elf_link_record_dynamic_symbol (info, h)) | |||
| 1463 | return FALSE0; | |||
| 1464 | } | |||
| 1465 | ||||
| 1466 | if (info->shared | |||
| 1467 | || WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, 0, h)((1) && ((0) || !(h)->forced_local) && ((h )->dynindx != -1 || (h)->forced_local))) | |||
| 1468 | { | |||
| 1469 | asection *s = htab->splt; | |||
| 1470 | ||||
| 1471 | /* If this is the first .plt entry, make room for the special | |||
| 1472 | first entry. */ | |||
| 1473 | if (s->size == 0) | |||
| 1474 | s->size += PLT_ENTRY_SIZE16; | |||
| 1475 | ||||
| 1476 | h->plt.offset = s->size; | |||
| 1477 | ||||
| 1478 | /* If this symbol is not defined in a regular file, and we are | |||
| 1479 | not generating a shared library, then set the symbol to this | |||
| 1480 | location in the .plt. This is required to make function | |||
| 1481 | pointers compare as equal between the normal executable and | |||
| 1482 | the shared library. */ | |||
| 1483 | if (! info->shared | |||
| 1484 | && !h->def_regular) | |||
| 1485 | { | |||
| 1486 | h->root.u.def.section = s; | |||
| 1487 | h->root.u.def.value = h->plt.offset; | |||
| 1488 | } | |||
| 1489 | ||||
| 1490 | /* Make room for this entry. */ | |||
| 1491 | s->size += PLT_ENTRY_SIZE16; | |||
| 1492 | ||||
| 1493 | /* We also need to make an entry in the .got.plt section, which | |||
| 1494 | will be placed in the .got section by the linker script. */ | |||
| 1495 | htab->sgotplt->size += GOT_ENTRY_SIZE8; | |||
| 1496 | ||||
| 1497 | /* We also need to make an entry in the .rela.plt section. */ | |||
| 1498 | htab->srelplt->size += sizeof (Elf64_External_Rela); | |||
| 1499 | htab->srelplt->reloc_count++; | |||
| 1500 | } | |||
| 1501 | else | |||
| 1502 | { | |||
| 1503 | h->plt.offset = (bfd_vma) -1; | |||
| 1504 | h->needs_plt = 0; | |||
| 1505 | } | |||
| 1506 | } | |||
| 1507 | else | |||
| 1508 | { | |||
| 1509 | h->plt.offset = (bfd_vma) -1; | |||
| 1510 | h->needs_plt = 0; | |||
| 1511 | } | |||
| 1512 | ||||
| 1513 | eh = (struct elf64_x86_64_link_hash_entry *) h; | |||
| 1514 | eh->tlsdesc_got = (bfd_vma) -1; | |||
| 1515 | ||||
| 1516 | /* If R_X86_64_GOTTPOFF symbol is now local to the binary, | |||
| 1517 | make it a R_X86_64_TPOFF32 requiring no GOT entry. */ | |||
| 1518 | if (h->got.refcount > 0 | |||
| 1519 | && (!info->shared || info->executable) | |||
| 1520 | && h->dynindx == -1 | |||
| 1521 | && elf64_x86_64_hash_entry (h)((struct elf64_x86_64_link_hash_entry *)(h))->tls_type == GOT_TLS_IE3) | |||
| 1522 | h->got.offset = (bfd_vma) -1; | |||
| 1523 | else if (h->got.refcount > 0) | |||
| 1524 | { | |||
| 1525 | asection *s; | |||
| 1526 | bfd_boolean dyn; | |||
| 1527 | int tls_type = elf64_x86_64_hash_entry (h)((struct elf64_x86_64_link_hash_entry *)(h))->tls_type; | |||
| 1528 | ||||
| 1529 | /* Make sure this symbol is output as a dynamic symbol. | |||
| 1530 | Undefined weak syms won't yet be marked as dynamic. */ | |||
| 1531 | if (h->dynindx == -1 | |||
| 1532 | && !h->forced_local) | |||
| 1533 | { | |||
| 1534 | if (! bfd_elf_link_record_dynamic_symbol (info, h)) | |||
| 1535 | return FALSE0; | |||
| 1536 | } | |||
| 1537 | ||||
| 1538 | if (GOT_TLS_GDESC_P (tls_type)((tls_type) == 4 || ((tls_type) == (2 | 4)))) | |||
| 1539 | { | |||
| 1540 | eh->tlsdesc_got = htab->sgotplt->size | |||
| 1541 | - elf64_x86_64_compute_jump_table_size (htab)((htab)->srelplt->reloc_count * 8); | |||
| 1542 | htab->sgotplt->size += 2 * GOT_ENTRY_SIZE8; | |||
| 1543 | h->got.offset = (bfd_vma) -2; | |||
| 1544 | } | |||
| 1545 | if (! GOT_TLS_GDESC_P (tls_type)((tls_type) == 4 || ((tls_type) == (2 | 4))) | |||
| 1546 | || GOT_TLS_GD_P (tls_type)((tls_type) == 2 || ((tls_type) == (2 | 4)))) | |||
| 1547 | { | |||
| 1548 | s = htab->sgot; | |||
| 1549 | h->got.offset = s->size; | |||
| 1550 | s->size += GOT_ENTRY_SIZE8; | |||
| 1551 | if (GOT_TLS_GD_P (tls_type)((tls_type) == 2 || ((tls_type) == (2 | 4)))) | |||
| 1552 | s->size += GOT_ENTRY_SIZE8; | |||
| 1553 | } | |||
| 1554 | dyn = htab->elf.dynamic_sections_created; | |||
| 1555 | /* R_X86_64_TLSGD needs one dynamic relocation if local symbol | |||
| 1556 | and two if global. | |||
| 1557 | R_X86_64_GOTTPOFF needs one dynamic relocation. */ | |||
| 1558 | if ((GOT_TLS_GD_P (tls_type)((tls_type) == 2 || ((tls_type) == (2 | 4))) && h->dynindx == -1) | |||
| 1559 | || tls_type == GOT_TLS_IE3) | |||
| 1560 | htab->srelgot->size += sizeof (Elf64_External_Rela); | |||
| 1561 | else if (GOT_TLS_GD_P (tls_type)((tls_type) == 2 || ((tls_type) == (2 | 4)))) | |||
| 1562 | htab->srelgot->size += 2 * sizeof (Elf64_External_Rela); | |||
| 1563 | else if (! GOT_TLS_GDESC_P (tls_type)((tls_type) == 4 || ((tls_type) == (2 | 4))) | |||
| 1564 | && (ELF_ST_VISIBILITY (h->other)((h->other) & 0x3) == STV_DEFAULT0 | |||
| 1565 | || h->root.type != bfd_link_hash_undefweak) | |||
| 1566 | && (info->shared | |||
| 1567 | || WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, h)((dyn) && ((0) || !(h)->forced_local) && ( (h)->dynindx != -1 || (h)->forced_local)))) | |||
| 1568 | htab->srelgot->size += sizeof (Elf64_External_Rela); | |||
| 1569 | if (GOT_TLS_GDESC_P (tls_type)((tls_type) == 4 || ((tls_type) == (2 | 4)))) | |||
| 1570 | { | |||
| 1571 | htab->srelplt->size += sizeof (Elf64_External_Rela); | |||
| 1572 | htab->tlsdesc_plt = (bfd_vma) -1; | |||
| 1573 | } | |||
| 1574 | } | |||
| 1575 | else | |||
| 1576 | h->got.offset = (bfd_vma) -1; | |||
| 1577 | ||||
| 1578 | if (eh->dyn_relocs == NULL((void*)0)) | |||
| 1579 | return TRUE1; | |||
| 1580 | ||||
| 1581 | /* In the shared -Bsymbolic case, discard space allocated for | |||
| 1582 | dynamic pc-relative relocs against symbols which turn out to be | |||
| 1583 | defined in regular objects. For the normal shared case, discard | |||
| 1584 | space for pc-relative relocs that have become local due to symbol | |||
| 1585 | visibility changes. */ | |||
| 1586 | ||||
| 1587 | if (info->shared) | |||
| 1588 | { | |||
| 1589 | /* Relocs that use pc_count are those that appear on a call | |||
| 1590 | insn, or certain REL relocs that can generated via assembly. | |||
| 1591 | We want calls to protected symbols to resolve directly to the | |||
| 1592 | function rather than going via the plt. If people want | |||
| 1593 | function pointer comparisons to work as expected then they | |||
| 1594 | should avoid writing weird assembly. */ | |||
| 1595 | if (SYMBOL_CALLS_LOCAL (info, h)_bfd_elf_symbol_refs_local_p (h, info, 1)) | |||
| 1596 | { | |||
| 1597 | struct elf64_x86_64_dyn_relocs **pp; | |||
| 1598 | ||||
| 1599 | for (pp = &eh->dyn_relocs; (p = *pp) != NULL((void*)0); ) | |||
| 1600 | { | |||
| 1601 | p->count -= p->pc_count; | |||
| 1602 | p->pc_count = 0; | |||
| 1603 | if (p->count == 0) | |||
| 1604 | *pp = p->next; | |||
| 1605 | else | |||
| 1606 | pp = &p->next; | |||
| 1607 | } | |||
| 1608 | } | |||
| 1609 | ||||
| 1610 | /* Also discard relocs on undefined weak syms with non-default | |||
| 1611 | visibility. */ | |||
| 1612 | if (eh->dyn_relocs != NULL((void*)0) | |||
| 1613 | && h->root.type == bfd_link_hash_undefweak) | |||
| 1614 | { | |||
| 1615 | if (ELF_ST_VISIBILITY (h->other)((h->other) & 0x3) != STV_DEFAULT0) | |||
| 1616 | eh->dyn_relocs = NULL((void*)0); | |||
| 1617 | ||||
| 1618 | /* Make sure undefined weak symbols are output as a dynamic | |||
| 1619 | symbol in PIEs. */ | |||
| 1620 | else if (h->dynindx == -1 | |||
| 1621 | && !h->forced_local) | |||
| 1622 | { | |||
| 1623 | if (! bfd_elf_link_record_dynamic_symbol (info, h)) | |||
| 1624 | return FALSE0; | |||
| 1625 | } | |||
| 1626 | } | |||
| 1627 | } | |||
| 1628 | else if (ELIMINATE_COPY_RELOCS1) | |||
| 1629 | { | |||
| 1630 | /* For the non-shared case, discard space for relocs against | |||
| 1631 | symbols which turn out to need copy relocs or are not | |||
| 1632 | dynamic. */ | |||
| 1633 | ||||
| 1634 | if (!h->non_got_ref | |||
| 1635 | && ((h->def_dynamic | |||
| 1636 | && !h->def_regular) | |||
| 1637 | || (htab->elf.dynamic_sections_created | |||
| 1638 | && (h->root.type == bfd_link_hash_undefweak | |||
| 1639 | || h->root.type == bfd_link_hash_undefined)))) | |||
| 1640 | { | |||
| 1641 | /* Make sure this symbol is output as a dynamic symbol. | |||
| 1642 | Undefined weak syms won't yet be marked as dynamic. */ | |||
| 1643 | if (h->dynindx == -1 | |||
| 1644 | && !h->forced_local) | |||
| 1645 | { | |||
| 1646 | if (! bfd_elf_link_record_dynamic_symbol (info, h)) | |||
| 1647 | return FALSE0; | |||
| 1648 | } | |||
| 1649 | ||||
| 1650 | /* If that succeeded, we know we'll be keeping all the | |||
| 1651 | relocs. */ | |||
| 1652 | if (h->dynindx != -1) | |||
| 1653 | goto keep; | |||
| 1654 | } | |||
| 1655 | ||||
| 1656 | eh->dyn_relocs = NULL((void*)0); | |||
| 1657 | ||||
| 1658 | keep: ; | |||
| 1659 | } | |||
| 1660 | ||||
| 1661 | /* Finally, allocate space. */ | |||
| 1662 | for (p = eh->dyn_relocs; p != NULL((void*)0); p = p->next) | |||
| 1663 | { | |||
| 1664 | asection *sreloc = elf_section_data (p->sec)((struct bfd_elf_section_data*)(p->sec)->used_by_bfd)->sreloc; | |||
| 1665 | sreloc->size += p->count * sizeof (Elf64_External_Rela); | |||
| 1666 | } | |||
| 1667 | ||||
| 1668 | return TRUE1; | |||
| 1669 | } | |||
| 1670 | ||||
| 1671 | /* Find any dynamic relocs that apply to read-only sections. */ | |||
| 1672 | ||||
| 1673 | static bfd_boolean | |||
| 1674 | readonly_dynrelocs (struct elf_link_hash_entry *h, void * inf) | |||
| 1675 | { | |||
| 1676 | struct elf64_x86_64_link_hash_entry *eh; | |||
| 1677 | struct elf64_x86_64_dyn_relocs *p; | |||
| 1678 | ||||
| 1679 | if (h->root.type == bfd_link_hash_warning) | |||
| 1680 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |||
| 1681 | ||||
| 1682 | eh = (struct elf64_x86_64_link_hash_entry *) h; | |||
| 1683 | for (p = eh->dyn_relocs; p != NULL((void*)0); p = p->next) | |||
| 1684 | { | |||
| 1685 | asection *s = p->sec->output_section; | |||
| 1686 | ||||
| 1687 | if (s != NULL((void*)0) && (s->flags & SEC_READONLY0x008) != 0) | |||
| 1688 | { | |||
| 1689 | struct bfd_link_info *info = (struct bfd_link_info *) inf; | |||
| 1690 | ||||
| 1691 | info->flags |= DF_TEXTREL(1 << 2); | |||
| 1692 | ||||
| 1693 | /* Not an error, just cut short the traversal. */ | |||
| 1694 | return FALSE0; | |||
| 1695 | } | |||
| 1696 | } | |||
| 1697 | return TRUE1; | |||
| 1698 | } | |||
| 1699 | ||||
| 1700 | /* Set the sizes of the dynamic sections. */ | |||
| 1701 | ||||
| 1702 | static bfd_boolean | |||
| 1703 | elf64_x86_64_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED__attribute__ ((__unused__)), | |||
| 1704 | struct bfd_link_info *info) | |||
| 1705 | { | |||
| 1706 | struct elf64_x86_64_link_hash_table *htab; | |||
| 1707 | bfd *dynobj; | |||
| 1708 | asection *s; | |||
| 1709 | bfd_boolean relocs; | |||
| 1710 | bfd *ibfd; | |||
| 1711 | ||||
| 1712 | htab = elf64_x86_64_hash_table (info)((struct elf64_x86_64_link_hash_table *) ((info)->hash)); | |||
| 1713 | dynobj = htab->elf.dynobj; | |||
| 1714 | if (dynobj == NULL((void*)0)) | |||
| 1715 | abort ()_bfd_abort ("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" , 1715, __PRETTY_FUNCTION__); | |||
| 1716 | ||||
| 1717 | if (htab->elf.dynamic_sections_created) | |||
| 1718 | { | |||
| 1719 | /* Set the contents of the .interp section to the interpreter. */ | |||
| 1720 | if (info->executable && !info->static_link) | |||
| 1721 | { | |||
| 1722 | s = bfd_get_section_by_name (dynobj, ".interp"); | |||
| 1723 | if (s == NULL((void*)0)) | |||
| 1724 | abort ()_bfd_abort ("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" , 1724, __PRETTY_FUNCTION__); | |||
| 1725 | s->size = sizeof ELF_DYNAMIC_INTERPRETER"/lib/ld64.so.1"; | |||
| 1726 | s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER"/lib/ld64.so.1"; | |||
| 1727 | } | |||
| 1728 | } | |||
| 1729 | ||||
| 1730 | /* Set up .got offsets for local syms, and space for local dynamic | |||
| 1731 | relocs. */ | |||
| 1732 | for (ibfd = info->input_bfds; ibfd != NULL((void*)0); ibfd = ibfd->link_next) | |||
| 1733 | { | |||
| 1734 | bfd_signed_vma *local_got; | |||
| 1735 | bfd_signed_vma *end_local_got; | |||
| 1736 | char *local_tls_type; | |||
| 1737 | bfd_vma *local_tlsdesc_gotent; | |||
| 1738 | bfd_size_type locsymcount; | |||
| 1739 | Elf_Internal_Shdr *symtab_hdr; | |||
| 1740 | asection *srel; | |||
| 1741 | ||||
| 1742 | if (bfd_get_flavour (ibfd)((ibfd)->xvec->flavour) != bfd_target_elf_flavour) | |||
| 1743 | continue; | |||
| 1744 | ||||
| 1745 | for (s = ibfd->sections; s != NULL((void*)0); s = s->next) | |||
| 1746 | { | |||
| 1747 | struct elf64_x86_64_dyn_relocs *p; | |||
| 1748 | ||||
| 1749 | for (p = (struct elf64_x86_64_dyn_relocs *) | |||
| 1750 | (elf_section_data (s)((struct bfd_elf_section_data*)(s)->used_by_bfd)->local_dynrel); | |||
| 1751 | p != NULL((void*)0); | |||
| 1752 | p = p->next) | |||
| 1753 | { | |||
| 1754 | if (!bfd_is_abs_section (p->sec)((p->sec) == ((asection *) &bfd_abs_section)) | |||
| 1755 | && bfd_is_abs_section (p->sec->output_section)((p->sec->output_section) == ((asection *) &bfd_abs_section ))) | |||
| 1756 | { | |||
| 1757 | /* Input section has been discarded, either because | |||
| 1758 | it is a copy of a linkonce section or due to | |||
| 1759 | linker script /DISCARD/, so we'll be discarding | |||
| 1760 | the relocs too. */ | |||
| 1761 | } | |||
| 1762 | else if (p->count != 0) | |||
| 1763 | { | |||
| 1764 | srel = elf_section_data (p->sec)((struct bfd_elf_section_data*)(p->sec)->used_by_bfd)->sreloc; | |||
| 1765 | srel->size += p->count * sizeof (Elf64_External_Rela); | |||
| 1766 | if ((p->sec->output_section->flags & SEC_READONLY0x008) != 0) | |||
| 1767 | info->flags |= DF_TEXTREL(1 << 2); | |||
| 1768 | ||||
| 1769 | } | |||
| 1770 | } | |||
| 1771 | } | |||
| 1772 | ||||
| 1773 | local_got = elf_local_got_refcounts (ibfd)(((ibfd) -> tdata.elf_obj_data) -> local_got.refcounts); | |||
| 1774 | if (!local_got) | |||
| 1775 | continue; | |||
| 1776 | ||||
| 1777 | symtab_hdr = &elf_tdata (ibfd)((ibfd) -> tdata.elf_obj_data)->symtab_hdr; | |||
| 1778 | locsymcount = symtab_hdr->sh_info; | |||
| 1779 | end_local_got = local_got + locsymcount; | |||
| 1780 | local_tls_type = elf64_x86_64_local_got_tls_type (ibfd)(((struct elf64_x86_64_obj_tdata *) (ibfd)->tdata.any)-> local_got_tls_type); | |||
| 1781 | local_tlsdesc_gotent = elf64_x86_64_local_tlsdesc_gotent (ibfd)(((struct elf64_x86_64_obj_tdata *) (ibfd)->tdata.any)-> local_tlsdesc_gotent); | |||
| 1782 | s = htab->sgot; | |||
| 1783 | srel = htab->srelgot; | |||
| 1784 | for (; local_got < end_local_got; | |||
| 1785 | ++local_got, ++local_tls_type, ++local_tlsdesc_gotent) | |||
| 1786 | { | |||
| 1787 | *local_tlsdesc_gotent = (bfd_vma) -1; | |||
| 1788 | if (*local_got > 0) | |||
| 1789 | { | |||
| 1790 | if (GOT_TLS_GDESC_P (*local_tls_type)((*local_tls_type) == 4 || ((*local_tls_type) == (2 | 4)))) | |||
| 1791 | { | |||
| 1792 | *local_tlsdesc_gotent = htab->sgotplt->size | |||
| 1793 | - elf64_x86_64_compute_jump_table_size (htab)((htab)->srelplt->reloc_count * 8); | |||
| 1794 | htab->sgotplt->size += 2 * GOT_ENTRY_SIZE8; | |||
| 1795 | *local_got = (bfd_vma) -2; | |||
| 1796 | } | |||
| 1797 | if (! GOT_TLS_GDESC_P (*local_tls_type)((*local_tls_type) == 4 || ((*local_tls_type) == (2 | 4))) | |||
| 1798 | || GOT_TLS_GD_P (*local_tls_type)((*local_tls_type) == 2 || ((*local_tls_type) == (2 | 4)))) | |||
| 1799 | { | |||
| 1800 | *local_got = s->size; | |||
| 1801 | s->size += GOT_ENTRY_SIZE8; | |||
| 1802 | if (GOT_TLS_GD_P (*local_tls_type)((*local_tls_type) == 2 || ((*local_tls_type) == (2 | 4)))) | |||
| 1803 | s->size += GOT_ENTRY_SIZE8; | |||
| 1804 | } | |||
| 1805 | if (info->shared | |||
| 1806 | || GOT_TLS_GD_ANY_P (*local_tls_type)(((*local_tls_type) == 2 || ((*local_tls_type) == (2 | 4))) || ((*local_tls_type) == 4 || ((*local_tls_type) == (2 | 4)))) | |||
| 1807 | || *local_tls_type == GOT_TLS_IE3) | |||
| 1808 | { | |||
| 1809 | if (GOT_TLS_GDESC_P (*local_tls_type)((*local_tls_type) == 4 || ((*local_tls_type) == (2 | 4)))) | |||
| 1810 | { | |||
| 1811 | htab->srelplt->size += sizeof (Elf64_External_Rela); | |||
| 1812 | htab->tlsdesc_plt = (bfd_vma) -1; | |||
| 1813 | } | |||
| 1814 | if (! GOT_TLS_GDESC_P (*local_tls_type)((*local_tls_type) == 4 || ((*local_tls_type) == (2 | 4))) | |||
| 1815 | || GOT_TLS_GD_P (*local_tls_type)((*local_tls_type) == 2 || ((*local_tls_type) == (2 | 4)))) | |||
| 1816 | srel->size += sizeof (Elf64_External_Rela); | |||
| 1817 | } | |||
| 1818 | } | |||
| 1819 | else | |||
| 1820 | *local_got = (bfd_vma) -1; | |||
| 1821 | } | |||
| 1822 | } | |||
| 1823 | ||||
| 1824 | if (htab->tls_ld_got.refcount > 0) | |||
| 1825 | { | |||
| 1826 | /* Allocate 2 got entries and 1 dynamic reloc for R_X86_64_TLSLD | |||
| 1827 | relocs. */ | |||
| 1828 | htab->tls_ld_got.offset = htab->sgot->size; | |||
| 1829 | htab->sgot->size += 2 * GOT_ENTRY_SIZE8; | |||
| 1830 | htab->srelgot->size += sizeof (Elf64_External_Rela); | |||
| 1831 | } | |||
| 1832 | else | |||
| 1833 | htab->tls_ld_got.offset = -1; | |||
| 1834 | ||||
| 1835 | /* Allocate global sym .plt and .got entries, and space for global | |||
| 1836 | sym dynamic relocs. */ | |||
| 1837 | elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, (PTR) info)(bfd_link_hash_traverse (&(&htab->elf)->root, ( bfd_boolean (*) (struct bfd_link_hash_entry *, void *)) (allocate_dynrelocs ), ((void *) info))); | |||
| 1838 | ||||
| 1839 | /* For every jump slot reserved in the sgotplt, reloc_count is | |||
| 1840 | incremented. However, when we reserve space for TLS descriptors, | |||
| 1841 | it's not incremented, so in order to compute the space reserved | |||
| 1842 | for them, it suffices to multiply the reloc count by the jump | |||
| 1843 | slot size. */ | |||
| 1844 | if (htab->srelplt) | |||
| 1845 | htab->sgotplt_jump_table_size | |||
| 1846 | = elf64_x86_64_compute_jump_table_size (htab)((htab)->srelplt->reloc_count * 8); | |||
| 1847 | ||||
| 1848 | if (htab->tlsdesc_plt) | |||
| 1849 | { | |||
| 1850 | /* If we're not using lazy TLS relocations, don't generate the | |||
| 1851 | PLT and GOT entries they require. */ | |||
| 1852 | if ((info->flags & DF_BIND_NOW(1 << 3))) | |||
| 1853 | htab->tlsdesc_plt = 0; | |||
| 1854 | else | |||
| 1855 | { | |||
| 1856 | htab->tlsdesc_got = htab->sgot->size; | |||
| 1857 | htab->sgot->size += GOT_ENTRY_SIZE8; | |||
| 1858 | /* Reserve room for the initial entry. | |||
| 1859 | FIXME: we could probably do away with it in this case. */ | |||
| 1860 | if (htab->splt->size == 0) | |||
| 1861 | htab->splt->size += PLT_ENTRY_SIZE16; | |||
| 1862 | htab->tlsdesc_plt = htab->splt->size; | |||
| 1863 | htab->splt->size += PLT_ENTRY_SIZE16; | |||
| 1864 | } | |||
| 1865 | } | |||
| 1866 | ||||
| 1867 | /* We now have determined the sizes of the various dynamic sections. | |||
| 1868 | Allocate memory for them. */ | |||
| 1869 | relocs = FALSE0; | |||
| 1870 | for (s = dynobj->sections; s != NULL((void*)0); s = s->next) | |||
| 1871 | { | |||
| 1872 | if ((s->flags & SEC_LINKER_CREATED0x200000) == 0) | |||
| 1873 | continue; | |||
| 1874 | ||||
| 1875 | if (s == htab->splt | |||
| 1876 | || s == htab->sgot | |||
| 1877 | || s == htab->sgotplt | |||
| 1878 | || s == htab->sdynbss) | |||
| 1879 | { | |||
| 1880 | /* Strip this section if we don't need it; see the | |||
| 1881 | comment below. */ | |||
| 1882 | } | |||
| 1883 | else if (strncmp (bfd_get_section_name (dynobj, s)((s)->name + 0), ".rela", 5) == 0) | |||
| 1884 | { | |||
| 1885 | if (s->size != 0 && s != htab->srelplt) | |||
| 1886 | relocs = TRUE1; | |||
| 1887 | ||||
| 1888 | /* We use the reloc_count field as a counter if we need | |||
| 1889 | to copy relocs into the output file. */ | |||
| 1890 | if (s != htab->srelplt) | |||
| 1891 | s->reloc_count = 0; | |||
| 1892 | } | |||
| 1893 | else | |||
| 1894 | { | |||
| 1895 | /* It's not one of our sections, so don't allocate space. */ | |||
| 1896 | continue; | |||
| 1897 | } | |||
| 1898 | ||||
| 1899 | if (s->size == 0) | |||
| 1900 | { | |||
| 1901 | /* If we don't need this section, strip it from the | |||
| 1902 | output file. This is mostly to handle .rela.bss and | |||
| 1903 | .rela.plt. We must create both sections in | |||
| 1904 | create_dynamic_sections, because they must be created | |||
| 1905 | before the linker maps input sections to output | |||
| 1906 | sections. The linker does that before | |||
| 1907 | adjust_dynamic_symbol is called, and it is that | |||
| 1908 | function which decides whether anything needs to go | |||
| 1909 | into these sections. */ | |||
| 1910 | ||||
| 1911 | s->flags |= SEC_EXCLUDE0x8000; | |||
| 1912 | continue; | |||
| 1913 | } | |||
| 1914 | ||||
| 1915 | if ((s->flags & SEC_HAS_CONTENTS0x100) == 0) | |||
| 1916 | continue; | |||
| 1917 | ||||
| 1918 | /* Allocate memory for the section contents. We use bfd_zalloc | |||
| 1919 | here in case unused entries are not reclaimed before the | |||
| 1920 | section's contents are written out. This should not happen, | |||
| 1921 | but this way if it does, we get a R_X86_64_NONE reloc instead | |||
| 1922 | of garbage. */ | |||
| 1923 | s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size); | |||
| 1924 | if (s->contents == NULL((void*)0)) | |||
| 1925 | return FALSE0; | |||
| 1926 | } | |||
| 1927 | ||||
| 1928 | if (htab->elf.dynamic_sections_created) | |||
| 1929 | { | |||
| 1930 | /* Add some entries to the .dynamic section. We fill in the | |||
| 1931 | values later, in elf64_x86_64_finish_dynamic_sections, but we | |||
| 1932 | must add the entries now so that we get the correct size for | |||
| 1933 | the .dynamic section. The DT_DEBUG entry is filled in by the | |||
| 1934 | dynamic linker and used by the debugger. */ | |||
| 1935 | #define add_dynamic_entry(TAG, VAL) \ | |||
| 1936 | _bfd_elf_add_dynamic_entry (info, TAG, VAL) | |||
| 1937 | ||||
| 1938 | if (info->executable) | |||
| 1939 | { | |||
| 1940 | if (!add_dynamic_entry (DT_DEBUG21, 0)) | |||
| 1941 | return FALSE0; | |||
| 1942 | } | |||
| 1943 | ||||
| 1944 | if (htab->splt->size != 0) | |||
| 1945 | { | |||
| 1946 | if (!add_dynamic_entry (DT_PLTGOT3, 0) | |||
| 1947 | || !add_dynamic_entry (DT_PLTRELSZ2, 0) | |||
| 1948 | || !add_dynamic_entry (DT_PLTREL20, DT_RELA7) | |||
| 1949 | || !add_dynamic_entry (DT_JMPREL23, 0)) | |||
| 1950 | return FALSE0; | |||
| 1951 | ||||
| 1952 | if (htab->tlsdesc_plt | |||
| 1953 | && (!add_dynamic_entry (DT_TLSDESC_PLT0x6ffffef6, 0) | |||
| 1954 | || !add_dynamic_entry (DT_TLSDESC_GOT0x6ffffef7, 0))) | |||
| 1955 | return FALSE0; | |||
| 1956 | } | |||
| 1957 | ||||
| 1958 | if (relocs) | |||
| 1959 | { | |||
| 1960 | if (!add_dynamic_entry (DT_RELA7, 0) | |||
| 1961 | || !add_dynamic_entry (DT_RELASZ8, 0) | |||
| 1962 | || !add_dynamic_entry (DT_RELAENT9, sizeof (Elf64_External_Rela))) | |||
| 1963 | return FALSE0; | |||
| 1964 | ||||
| 1965 | /* If any dynamic relocs apply to a read-only section, | |||
| 1966 | then we need a DT_TEXTREL entry. */ | |||
| 1967 | if ((info->flags & DF_TEXTREL(1 << 2)) == 0) | |||
| 1968 | elf_link_hash_traverse (&htab->elf, readonly_dynrelocs,(bfd_link_hash_traverse (&(&htab->elf)->root, ( bfd_boolean (*) (struct bfd_link_hash_entry *, void *)) (readonly_dynrelocs ), ((void *) info))) | |||
| 1969 | (PTR) info)(bfd_link_hash_traverse (&(&htab->elf)->root, ( bfd_boolean (*) (struct bfd_link_hash_entry *, void *)) (readonly_dynrelocs ), ((void *) info))); | |||
| 1970 | ||||
| 1971 | if ((info->flags & DF_TEXTREL(1 << 2)) != 0) | |||
| 1972 | { | |||
| 1973 | if (!add_dynamic_entry (DT_TEXTREL22, 0)) | |||
| 1974 | return FALSE0; | |||
| 1975 | } | |||
| 1976 | } | |||
| 1977 | } | |||
| 1978 | #undef add_dynamic_entry | |||
| 1979 | ||||
| 1980 | return TRUE1; | |||
| 1981 | } | |||
| 1982 | ||||
| 1983 | static bfd_boolean | |||
| 1984 | elf64_x86_64_always_size_sections (bfd *output_bfd, | |||
| 1985 | struct bfd_link_info *info) | |||
| 1986 | { | |||
| 1987 | asection *tls_sec = elf_hash_table (info)((struct elf_link_hash_table *) ((info)->hash))->tls_sec; | |||
| 1988 | ||||
| 1989 | if (tls_sec) | |||
| 1990 | { | |||
| 1991 | struct elf_link_hash_entry *tlsbase; | |||
| 1992 | ||||
| 1993 | tlsbase = elf_link_hash_lookup (elf_hash_table (info),((struct elf_link_hash_entry *) bfd_link_hash_lookup (&(( (struct elf_link_hash_table *) ((info)->hash)))->root, ( "_TLS_MODULE_BASE_"), (0), (0), (0))) | |||
| 1994 | "_TLS_MODULE_BASE_",((struct elf_link_hash_entry *) bfd_link_hash_lookup (&(( (struct elf_link_hash_table *) ((info)->hash)))->root, ( "_TLS_MODULE_BASE_"), (0), (0), (0))) | |||
| 1995 | FALSE, FALSE, FALSE)((struct elf_link_hash_entry *) bfd_link_hash_lookup (&(( (struct elf_link_hash_table *) ((info)->hash)))->root, ( "_TLS_MODULE_BASE_"), (0), (0), (0))); | |||
| 1996 | ||||
| 1997 | if (tlsbase && tlsbase->type == STT_TLS6) | |||
| 1998 | { | |||
| 1999 | struct bfd_link_hash_entry *bh = NULL((void*)0); | |||
| 2000 | const struct elf_backend_data *bed | |||
| 2001 | = get_elf_backend_data (output_bfd)((const struct elf_backend_data *) (output_bfd)->xvec-> backend_data); | |||
| 2002 | ||||
| 2003 | if (!(_bfd_generic_link_add_one_symbol | |||
| 2004 | (info, output_bfd, "_TLS_MODULE_BASE_", BSF_LOCAL0x01, | |||
| 2005 | tls_sec, 0, NULL((void*)0), FALSE0, | |||
| 2006 | bed->collect, &bh))) | |||
| 2007 | return FALSE0; | |||
| 2008 | tlsbase = (struct elf_link_hash_entry *)bh; | |||
| 2009 | tlsbase->def_regular = 1; | |||
| 2010 | tlsbase->other = STV_HIDDEN2; | |||
| 2011 | (*bed->elf_backend_hide_symbol_bfd_elf_link_hash_hide_symbol) (info, tlsbase, TRUE1); | |||
| 2012 | } | |||
| 2013 | } | |||
| 2014 | ||||
| 2015 | return TRUE1; | |||
| 2016 | } | |||
| 2017 | ||||
| 2018 | /* Return the base VMA address which should be subtracted from real addresses | |||
| 2019 | when resolving @dtpoff relocation. | |||
| 2020 | This is PT_TLS segment p_vaddr. */ | |||
| 2021 | ||||
| 2022 | static bfd_vma | |||
| 2023 | dtpoff_base (struct bfd_link_info *info) | |||
| 2024 | { | |||
| 2025 | /* If tls_sec is NULL, we should have signalled an error already. */ | |||
| 2026 | if (elf_hash_table (info)((struct elf_link_hash_table *) ((info)->hash))->tls_sec == NULL((void*)0)) | |||
| 2027 | return 0; | |||
| 2028 | return elf_hash_table (info)((struct elf_link_hash_table *) ((info)->hash))->tls_sec->vma; | |||
| 2029 | } | |||
| 2030 | ||||
| 2031 | /* Return the relocation value for @tpoff relocation | |||
| 2032 | if STT_TLS virtual address is ADDRESS. */ | |||
| 2033 | ||||
| 2034 | static bfd_vma | |||
| 2035 | tpoff (struct bfd_link_info *info, bfd_vma address) | |||
| 2036 | { | |||
| 2037 | struct elf_link_hash_table *htab = elf_hash_table (info)((struct elf_link_hash_table *) ((info)->hash)); | |||
| 2038 | ||||
| 2039 | /* If tls_segment is NULL, we should have signalled an error already. */ | |||
| 2040 | if (htab->tls_sec == NULL((void*)0)) | |||
| 2041 | return 0; | |||
| 2042 | return address - htab->tls_size - htab->tls_sec->vma; | |||
| 2043 | } | |||
| 2044 | ||||
| 2045 | /* Is the instruction before OFFSET in CONTENTS a 32bit relative | |||
| 2046 | branch? */ | |||
| 2047 | ||||
| 2048 | static bfd_boolean | |||
| 2049 | is_32bit_relative_branch (bfd_byte *contents, bfd_vma offset) | |||
| 2050 | { | |||
| 2051 | /* Opcode Instruction | |||
| 2052 | 0xe8 call | |||
| 2053 | 0xe9 jump | |||
| 2054 | 0x0f 0x8x conditional jump */ | |||
| 2055 | return ((offset > 0 | |||
| 2056 | && (contents [offset - 1] == 0xe8 | |||
| 2057 | || contents [offset - 1] == 0xe9)) | |||
| 2058 | || (offset > 1 | |||
| 2059 | && contents [offset - 2] == 0x0f | |||
| 2060 | && (contents [offset - 1] & 0xf0) == 0x80)); | |||
| 2061 | } | |||
| 2062 | ||||
| 2063 | /* Relocate an x86_64 ELF section. */ | |||
| 2064 | ||||
| 2065 | static bfd_boolean | |||
| 2066 | elf64_x86_64_relocate_section (bfd *output_bfd, struct bfd_link_info *info, | |||
| 2067 | bfd *input_bfd, asection *input_section, | |||
| 2068 | bfd_byte *contents, Elf_Internal_Rela *relocs, | |||
| 2069 | Elf_Internal_Sym *local_syms, | |||
| 2070 | asection **local_sections) | |||
| 2071 | { | |||
| 2072 | struct elf64_x86_64_link_hash_table *htab; | |||
| 2073 | Elf_Internal_Shdr *symtab_hdr; | |||
| 2074 | struct elf_link_hash_entry **sym_hashes; | |||
| 2075 | bfd_vma *local_got_offsets; | |||
| 2076 | bfd_vma *local_tlsdesc_gotents; | |||
| 2077 | Elf_Internal_Rela *rel; | |||
| 2078 | Elf_Internal_Rela *relend; | |||
| 2079 | ||||
| 2080 | if (info->relocatable) | |||
| ||||
| 2081 | return TRUE1; | |||
| 2082 | ||||
| 2083 | htab = elf64_x86_64_hash_table (info)((struct elf64_x86_64_link_hash_table *) ((info)->hash)); | |||
| 2084 | symtab_hdr = &elf_tdata (input_bfd)((input_bfd) -> tdata.elf_obj_data)->symtab_hdr; | |||
| 2085 | sym_hashes = elf_sym_hashes (input_bfd)(((input_bfd) -> tdata.elf_obj_data) -> sym_hashes); | |||
| 2086 | local_got_offsets = elf_local_got_offsets (input_bfd)(((input_bfd) -> tdata.elf_obj_data) -> local_got.offsets ); | |||
| 2087 | local_tlsdesc_gotents = elf64_x86_64_local_tlsdesc_gotent (input_bfd)(((struct elf64_x86_64_obj_tdata *) (input_bfd)->tdata.any )->local_tlsdesc_gotent); | |||
| 2088 | ||||
| 2089 | rel = relocs; | |||
| 2090 | relend = relocs + input_section->reloc_count; | |||
| 2091 | for (; rel < relend; rel++) | |||
| 2092 | { | |||
| 2093 | unsigned int r_type; | |||
| 2094 | reloc_howto_type *howto; | |||
| 2095 | unsigned long r_symndx; | |||
| 2096 | struct elf_link_hash_entry *h; | |||
| 2097 | Elf_Internal_Sym *sym; | |||
| 2098 | asection *sec; | |||
| 2099 | bfd_vma off, offplt; | |||
| 2100 | bfd_vma relocation; | |||
| 2101 | bfd_boolean unresolved_reloc; | |||
| 2102 | bfd_reloc_status_type r; | |||
| 2103 | int tls_type; | |||
| 2104 | ||||
| 2105 | r_type = ELF64_R_TYPE (rel->r_info)((rel->r_info) & 0xffffffff); | |||
| 2106 | if (r_type == (int) R_X86_64_GNU_VTINHERIT | |||
| 2107 | || r_type == (int) R_X86_64_GNU_VTENTRY) | |||
| 2108 | continue; | |||
| 2109 | ||||
| 2110 | if (r_type >= R_X86_64_max) | |||
| 2111 | { | |||
| 2112 | bfd_set_error (bfd_error_bad_value); | |||
| 2113 | return FALSE0; | |||
| 2114 | } | |||
| 2115 | ||||
| 2116 | howto = x86_64_elf_howto_table + r_type; | |||
| 2117 | r_symndx = ELF64_R_SYM (rel->r_info)((rel->r_info) >> 32); | |||
| 2118 | h = NULL((void*)0); | |||
| 2119 | sym = NULL((void*)0); | |||
| 2120 | sec = NULL((void*)0); | |||
| 2121 | unresolved_reloc = FALSE0; | |||
| 2122 | if (r_symndx < symtab_hdr->sh_info) | |||
| 2123 | { | |||
| 2124 | sym = local_syms + r_symndx; | |||
| 2125 | sec = local_sections[r_symndx]; | |||
| 2126 | ||||
| 2127 | relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel); | |||
| 2128 | } | |||
| 2129 | else | |||
| 2130 | { | |||
| 2131 | bfd_boolean warned; | |||
| 2132 | ||||
| 2133 | RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,do { if (sym_hashes == ((void*)0)) return 0; h = sym_hashes[r_symndx - symtab_hdr->sh_info]; while (h->root.type == bfd_link_hash_indirect || h->root.type == bfd_link_hash_warning) h = (struct elf_link_hash_entry *) h->root.u.i.link; warned = 0; unresolved_reloc = 0; relocation = 0; if (h->root.type == bfd_link_hash_defined || h->root .type == bfd_link_hash_defweak) { sec = h->root.u.def.section ; if (sec == ((void*)0) || sec->output_section == ((void*) 0)) unresolved_reloc = 1; else relocation = (h->root.u.def .value + sec->output_section->vma + sec->output_offset ); } else if (h->root.type == bfd_link_hash_undefweak) ; else if (info->unresolved_syms_in_objects == RM_IGNORE && ((h->other) & 0x3) == 0) ; else { bfd_boolean err; err = (info->unresolved_syms_in_objects == RM_GENERATE_ERROR || ((h->other) & 0x3) != 0); if (!info->callbacks-> undefined_symbol (info, h->root.root.string, input_bfd, input_section , rel->r_offset, err)) return 0; warned = 1; } } while (0) | |||
| 2134 | r_symndx, symtab_hdr, sym_hashes,do { if (sym_hashes == ((void*)0)) return 0; h = sym_hashes[r_symndx - symtab_hdr->sh_info]; while (h->root.type == bfd_link_hash_indirect || h->root.type == bfd_link_hash_warning) h = (struct elf_link_hash_entry *) h->root.u.i.link; warned = 0; unresolved_reloc = 0; relocation = 0; if (h->root.type == bfd_link_hash_defined || h->root .type == bfd_link_hash_defweak) { sec = h->root.u.def.section ; if (sec == ((void*)0) || sec->output_section == ((void*) 0)) unresolved_reloc = 1; else relocation = (h->root.u.def .value + sec->output_section->vma + sec->output_offset ); } else if (h->root.type == bfd_link_hash_undefweak) ; else if (info->unresolved_syms_in_objects == RM_IGNORE && ((h->other) & 0x3) == 0) ; else { bfd_boolean err; err = (info->unresolved_syms_in_objects == RM_GENERATE_ERROR || ((h->other) & 0x3) != 0); if (!info->callbacks-> undefined_symbol (info, h->root.root.string, input_bfd, input_section , rel->r_offset, err)) return 0; warned = 1; } } while (0) | |||
| 2135 | h, sec, relocation,do { if (sym_hashes == ((void*)0)) return 0; h = sym_hashes[r_symndx - symtab_hdr->sh_info]; while (h->root.type == bfd_link_hash_indirect || h->root.type == bfd_link_hash_warning) h = (struct elf_link_hash_entry *) h->root.u.i.link; warned = 0; unresolved_reloc = 0; relocation = 0; if (h->root.type == bfd_link_hash_defined || h->root .type == bfd_link_hash_defweak) { sec = h->root.u.def.section ; if (sec == ((void*)0) || sec->output_section == ((void*) 0)) unresolved_reloc = 1; else relocation = (h->root.u.def .value + sec->output_section->vma + sec->output_offset ); } else if (h->root.type == bfd_link_hash_undefweak) ; else if (info->unresolved_syms_in_objects == RM_IGNORE && ((h->other) & 0x3) == 0) ; else { bfd_boolean err; err = (info->unresolved_syms_in_objects == RM_GENERATE_ERROR || ((h->other) & 0x3) != 0); if (!info->callbacks-> undefined_symbol (info, h->root.root.string, input_bfd, input_section , rel->r_offset, err)) return 0; warned = 1; } } while (0) | |||
| 2136 | unresolved_reloc, warned)do { if (sym_hashes == ((void*)0)) return 0; h = sym_hashes[r_symndx - symtab_hdr->sh_info]; while (h->root.type == bfd_link_hash_indirect || h->root.type == bfd_link_hash_warning) h = (struct elf_link_hash_entry *) h->root.u.i.link; warned = 0; unresolved_reloc = 0; relocation = 0; if (h->root.type == bfd_link_hash_defined || h->root .type == bfd_link_hash_defweak) { sec = h->root.u.def.section ; if (sec == ((void*)0) || sec->output_section == ((void*) 0)) unresolved_reloc = 1; else relocation = (h->root.u.def .value + sec->output_section->vma + sec->output_offset ); } else if (h->root.type == bfd_link_hash_undefweak) ; else if (info->unresolved_syms_in_objects == RM_IGNORE && ((h->other) & 0x3) == 0) ; else { bfd_boolean err; err = (info->unresolved_syms_in_objects == RM_GENERATE_ERROR || ((h->other) & 0x3) != 0); if (!info->callbacks-> undefined_symbol (info, h->root.root.string, input_bfd, input_section , rel->r_offset, err)) return 0; warned = 1; } } while (0); | |||
| 2137 | } | |||
| 2138 | /* When generating a shared object, the relocations handled here are | |||
| 2139 | copied into the output file to be resolved at run time. */ | |||
| 2140 | switch (r_type) | |||
| 2141 | { | |||
| 2142 | asection *base_got; | |||
| 2143 | case R_X86_64_GOT32: | |||
| 2144 | case R_X86_64_GOT64: | |||
| 2145 | /* Relocation is to the entry for this symbol in the global | |||
| 2146 | offset table. */ | |||
| 2147 | case R_X86_64_GOTPCREL: | |||
| 2148 | case R_X86_64_GOTPCREL64: | |||
| 2149 | /* Use global offset table entry as symbol value. */ | |||
| 2150 | case R_X86_64_GOTPLT64: | |||
| 2151 | /* This is the same as GOT64 for relocation purposes, but | |||
| 2152 | indicates the existence of a PLT entry. The difficulty is, | |||
| 2153 | that we must calculate the GOT slot offset from the PLT | |||
| 2154 | offset, if this symbol got a PLT entry (it was global). | |||
| 2155 | Additionally if it's computed from the PLT entry, then that | |||
| 2156 | GOT offset is relative to .got.plt, not to .got. */ | |||
| 2157 | base_got = htab->sgot; | |||
| 2158 | ||||
| 2159 | if (htab->sgot == NULL((void*)0)) | |||
| 2160 | abort ()_bfd_abort ("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" , 2160, __PRETTY_FUNCTION__); | |||
| 2161 | ||||
| 2162 | if (h != NULL((void*)0)) | |||
| 2163 | { | |||
| 2164 | bfd_boolean dyn; | |||
| 2165 | ||||
| 2166 | off = h->got.offset; | |||
| 2167 | if (h->needs_plt | |||
| 2168 | && h->plt.offset != (bfd_vma)-1 | |||
| 2169 | && off == (bfd_vma)-1) | |||
| 2170 | { | |||
| 2171 | /* We can't use h->got.offset here to save | |||
| 2172 | state, or even just remember the offset, as | |||
| 2173 | finish_dynamic_symbol would use that as offset into | |||
| 2174 | .got. */ | |||
| 2175 | bfd_vma plt_index = h->plt.offset / PLT_ENTRY_SIZE16 - 1; | |||
| 2176 | off = (plt_index + 3) * GOT_ENTRY_SIZE8; | |||
| 2177 | base_got = htab->sgotplt; | |||
| 2178 | } | |||
| 2179 | ||||
| 2180 | dyn = htab->elf.dynamic_sections_created; | |||
| 2181 | ||||
| 2182 | if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)((dyn) && ((info->shared) || !(h)->forced_local ) && ((h)->dynindx != -1 || (h)->forced_local)) | |||
| 2183 | || (info->shared | |||
| 2184 | && SYMBOL_REFERENCES_LOCAL (info, h)_bfd_elf_symbol_refs_local_p (h, info, 0)) | |||
| 2185 | || (ELF_ST_VISIBILITY (h->other)((h->other) & 0x3) | |||
| 2186 | && h->root.type == bfd_link_hash_undefweak)) | |||
| 2187 | { | |||
| 2188 | /* This is actually a static link, or it is a -Bsymbolic | |||
| 2189 | link and the symbol is defined locally, or the symbol | |||
| 2190 | was forced to be local because of a version file. We | |||
| 2191 | must initialize this entry in the global offset table. | |||
| 2192 | Since the offset must always be a multiple of 8, we | |||
| 2193 | use the least significant bit to record whether we | |||
| 2194 | have initialized it already. | |||
| 2195 | ||||
| 2196 | When doing a dynamic link, we create a .rela.got | |||
| 2197 | relocation entry to initialize the value. This is | |||
| 2198 | done in the finish_dynamic_symbol routine. */ | |||
| 2199 | if ((off & 1) != 0) | |||
| 2200 | off &= ~1; | |||
| 2201 | else | |||
| 2202 | { | |||
| 2203 | bfd_put_64 (output_bfd, relocation,((*((output_bfd)->xvec->bfd_putx64)) ((relocation), (base_got ->contents + off))) | |||
| 2204 | base_got->contents + off)((*((output_bfd)->xvec->bfd_putx64)) ((relocation), (base_got ->contents + off))); | |||
| 2205 | /* Note that this is harmless for the GOTPLT64 case, | |||
| 2206 | as -1 | 1 still is -1. */ | |||
| 2207 | h->got.offset |= 1; | |||
| 2208 | } | |||
| 2209 | } | |||
| 2210 | else | |||
| 2211 | unresolved_reloc = FALSE0; | |||
| 2212 | } | |||
| 2213 | else | |||
| 2214 | { | |||
| 2215 | if (local_got_offsets == NULL((void*)0)) | |||
| 2216 | abort ()_bfd_abort ("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" , 2216, __PRETTY_FUNCTION__); | |||
| 2217 | ||||
| 2218 | off = local_got_offsets[r_symndx]; | |||
| 2219 | ||||
| 2220 | /* The offset must always be a multiple of 8. We use | |||
| 2221 | the least significant bit to record whether we have | |||
| 2222 | already generated the necessary reloc. */ | |||
| 2223 | if ((off & 1) != 0) | |||
| 2224 | off &= ~1; | |||
| 2225 | else | |||
| 2226 | { | |||
| 2227 | bfd_put_64 (output_bfd, relocation,((*((output_bfd)->xvec->bfd_putx64)) ((relocation), (base_got ->contents + off))) | |||
| 2228 | base_got->contents + off)((*((output_bfd)->xvec->bfd_putx64)) ((relocation), (base_got ->contents + off))); | |||
| 2229 | ||||
| 2230 | if (info->shared) | |||
| 2231 | { | |||
| 2232 | asection *s; | |||
| 2233 | Elf_Internal_Rela outrel; | |||
| 2234 | bfd_byte *loc; | |||
| 2235 | ||||
| 2236 | /* We need to generate a R_X86_64_RELATIVE reloc | |||
| 2237 | for the dynamic linker. */ | |||
| 2238 | s = htab->srelgot; | |||
| 2239 | if (s == NULL((void*)0)) | |||
| 2240 | abort ()_bfd_abort ("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" , 2240, __PRETTY_FUNCTION__); | |||
| 2241 | ||||
| 2242 | outrel.r_offset = (base_got->output_section->vma | |||
| 2243 | + base_got->output_offset | |||
| 2244 | + off); | |||
| 2245 | outrel.r_info = ELF64_R_INFO (0, R_X86_64_RELATIVE)(((bfd_vma) (0) << 31 << 1) + (bfd_vma) (R_X86_64_RELATIVE )); | |||
| 2246 | outrel.r_addend = relocation; | |||
| 2247 | loc = s->contents; | |||
| 2248 | loc += s->reloc_count++ * sizeof (Elf64_External_Rela); | |||
| 2249 | bfd_elf64_swap_reloca_out (output_bfd, &outrel, loc); | |||
| 2250 | } | |||
| 2251 | ||||
| 2252 | local_got_offsets[r_symndx] |= 1; | |||
| 2253 | } | |||
| 2254 | } | |||
| 2255 | ||||
| 2256 | if (off >= (bfd_vma) -2) | |||
| 2257 | abort ()_bfd_abort ("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" , 2257, __PRETTY_FUNCTION__); | |||
| 2258 | ||||
| 2259 | relocation = base_got->output_section->vma | |||
| 2260 | + base_got->output_offset + off; | |||
| 2261 | if (r_type != R_X86_64_GOTPCREL && r_type != R_X86_64_GOTPCREL64) | |||
| 2262 | relocation -= htab->sgotplt->output_section->vma | |||
| 2263 | - htab->sgotplt->output_offset; | |||
| 2264 | ||||
| 2265 | break; | |||
| 2266 | ||||
| 2267 | case R_X86_64_GOTOFF64: | |||
| 2268 | /* Relocation is relative to the start of the global offset | |||
| 2269 | table. */ | |||
| 2270 | ||||
| 2271 | /* Check to make sure it isn't a protected function symbol | |||
| 2272 | for shared library since it may not be local when used | |||
| 2273 | as function address. */ | |||
| 2274 | if (info->shared | |||
| 2275 | && h | |||
| 2276 | && h->def_regular | |||
| 2277 | && h->type == STT_FUNC2 | |||
| 2278 | && ELF_ST_VISIBILITY (h->other)((h->other) & 0x3) == STV_PROTECTED3) | |||
| 2279 | { | |||
| 2280 | (*_bfd_error_handler) | |||
| 2281 | (_("%B: relocation R_X86_64_GOTOFF64 against protected function `%s' can not be used when making a shared object")("%B: relocation R_X86_64_GOTOFF64 against protected function `%s' can not be used when making a shared object" ), | |||
| 2282 | input_bfd, h->root.root.string); | |||
| 2283 | bfd_set_error (bfd_error_bad_value); | |||
| 2284 | return FALSE0; | |||
| 2285 | } | |||
| 2286 | ||||
| 2287 | /* Note that sgot is not involved in this | |||
| 2288 | calculation. We always want the start of .got.plt. If we | |||
| 2289 | defined _GLOBAL_OFFSET_TABLE_ in a different way, as is | |||
| 2290 | permitted by the ABI, we might have to change this | |||
| 2291 | calculation. */ | |||
| 2292 | relocation -= htab->sgotplt->output_section->vma | |||
| 2293 | + htab->sgotplt->output_offset; | |||
| 2294 | break; | |||
| 2295 | ||||
| 2296 | case R_X86_64_GOTPC32: | |||
| 2297 | case R_X86_64_GOTPC64: | |||
| 2298 | /* Use global offset table as symbol value. */ | |||
| 2299 | relocation = htab->sgotplt->output_section->vma | |||
| 2300 | + htab->sgotplt->output_offset; | |||
| 2301 | unresolved_reloc = FALSE0; | |||
| 2302 | break; | |||
| 2303 | ||||
| 2304 | case R_X86_64_PLTOFF64: | |||
| 2305 | /* Relocation is PLT entry relative to GOT. For local | |||
| 2306 | symbols it's the symbol itself relative to GOT. */ | |||
| 2307 | if (h != NULL((void*)0) | |||
| 2308 | /* See PLT32 handling. */ | |||
| 2309 | && h->plt.offset != (bfd_vma) -1 | |||
| 2310 | && htab->splt != NULL((void*)0)) | |||
| 2311 | { | |||
| 2312 | relocation = (htab->splt->output_section->vma | |||
| 2313 | + htab->splt->output_offset | |||
| 2314 | + h->plt.offset); | |||
| 2315 | unresolved_reloc = FALSE0; | |||
| 2316 | } | |||
| 2317 | ||||
| 2318 | relocation -= htab->sgotplt->output_section->vma | |||
| 2319 | + htab->sgotplt->output_offset; | |||
| 2320 | break; | |||
| 2321 | ||||
| 2322 | case R_X86_64_PLT32: | |||
| 2323 | /* Relocation is to the entry for this symbol in the | |||
| 2324 | procedure linkage table. */ | |||
| 2325 | ||||
| 2326 | /* Resolve a PLT32 reloc against a local symbol directly, | |||
| 2327 | without using the procedure linkage table. */ | |||
| 2328 | if (h == NULL((void*)0)) | |||
| 2329 | break; | |||
| 2330 | ||||
| 2331 | if (h->plt.offset == (bfd_vma) -1 | |||
| 2332 | || htab->splt == NULL((void*)0)) | |||
| 2333 | { | |||
| 2334 | /* We didn't make a PLT entry for this symbol. This | |||
| 2335 | happens when statically linking PIC code, or when | |||
| 2336 | using -Bsymbolic. */ | |||
| 2337 | break; | |||
| 2338 | } | |||
| 2339 | ||||
| 2340 | relocation = (htab->splt->output_section->vma | |||
| 2341 | + htab->splt->output_offset | |||
| 2342 | + h->plt.offset); | |||
| 2343 | unresolved_reloc = FALSE0; | |||
| 2344 | break; | |||
| 2345 | ||||
| 2346 | case R_X86_64_PC8: | |||
| 2347 | case R_X86_64_PC16: | |||
| 2348 | case R_X86_64_PC32: | |||
| 2349 | if (info->shared | |||
| 2350 | && !SYMBOL_REFERENCES_LOCAL (info, h)_bfd_elf_symbol_refs_local_p (h, info, 0) | |||
| 2351 | && (input_section->flags & SEC_ALLOC0x001) != 0 | |||
| 2352 | && (input_section->flags & SEC_READONLY0x008) != 0 | |||
| 2353 | && (!h->def_regular | |||
| ||||
| 2354 | || r_type != R_X86_64_PC32 | |||
| 2355 | || h->type != STT_FUNC2 | |||
| 2356 | || ELF_ST_VISIBILITY (h->other)((h->other) & 0x3) != STV_PROTECTED3 | |||
| 2357 | || !is_32bit_relative_branch (contents, | |||
| 2358 | rel->r_offset))) | |||
| 2359 | { | |||
| 2360 | if (h->def_regular | |||
| 2361 | && r_type == R_X86_64_PC32 | |||
| 2362 | && h->type == STT_FUNC2 | |||
| 2363 | && ELF_ST_VISIBILITY (h->other)((h->other) & 0x3) == STV_PROTECTED3) | |||
| 2364 | (*_bfd_error_handler) | |||
| 2365 | (_("%B: relocation R_X86_64_PC32 against protected function `%s' can not be used when making a shared object")("%B: relocation R_X86_64_PC32 against protected function `%s' can not be used when making a shared object" ), | |||
| 2366 | input_bfd, h->root.root.string); | |||
| 2367 | else | |||
| 2368 | (*_bfd_error_handler) | |||
| 2369 | (_("%B: relocation %s against `%s' can not be used when making a shared object; recompile with -fPIC")("%B: relocation %s against `%s' can not be used when making a shared object; recompile with -fPIC" ), | |||
| 2370 | input_bfd, x86_64_elf_howto_table[r_type].name, | |||
| 2371 | h->root.root.string); | |||
| 2372 | bfd_set_error (bfd_error_bad_value); | |||
| 2373 | return FALSE0; | |||
| 2374 | } | |||
| 2375 | /* Fall through. */ | |||
| 2376 | ||||
| 2377 | case R_X86_64_8: | |||
| 2378 | case R_X86_64_16: | |||
| 2379 | case R_X86_64_32: | |||
| 2380 | case R_X86_64_PC64: | |||
| 2381 | case R_X86_64_64: | |||
| 2382 | /* FIXME: The ABI says the linker should make sure the value is | |||
| 2383 | the same when it's zeroextended to 64 bit. */ | |||
| 2384 | ||||
| 2385 | /* r_symndx will be zero only for relocs against symbols | |||
| 2386 | from removed linkonce sections, or sections discarded by | |||
| 2387 | a linker script. */ | |||
| 2388 | if (r_symndx == 0 | |||
| 2389 | || (input_section->flags & SEC_ALLOC0x001) == 0) | |||
| 2390 | break; | |||
| 2391 | ||||
| 2392 | if ((info->shared | |||
| 2393 | && (h == NULL((void*)0) | |||
| 2394 | || ELF_ST_VISIBILITY (h->other)((h->other) & 0x3) == STV_DEFAULT0 | |||
| 2395 | || h->root.type != bfd_link_hash_undefweak) | |||
| 2396 | && ((r_type != R_X86_64_PC8 | |||
| 2397 | && r_type != R_X86_64_PC16 | |||
| 2398 | && r_type != R_X86_64_PC32 | |||
| 2399 | && r_type != R_X86_64_PC64) | |||
| 2400 | || !SYMBOL_CALLS_LOCAL (info, h)_bfd_elf_symbol_refs_local_p (h, info, 1))) | |||
| 2401 | || (ELIMINATE_COPY_RELOCS1 | |||
| 2402 | && !info->shared | |||
| 2403 | && h != NULL((void*)0) | |||
| 2404 | && h->dynindx != -1 | |||
| 2405 | && !h->non_got_ref | |||
| 2406 | && ((h->def_dynamic | |||
| 2407 | && !h->def_regular) | |||
| 2408 | || h->root.type == bfd_link_hash_undefweak | |||
| 2409 | || h->root.type == bfd_link_hash_undefined))) | |||
| 2410 | { | |||
| 2411 | Elf_Internal_Rela outrel; | |||
| 2412 | bfd_byte *loc; | |||
| 2413 | bfd_boolean skip, relocate; | |||
| 2414 | asection *sreloc; | |||
| 2415 | ||||
| 2416 | /* When generating a shared object, these relocations | |||
| 2417 | are copied into the output file to be resolved at run | |||
| 2418 | time. */ | |||
| 2419 | skip = FALSE0; | |||
| 2420 | relocate = FALSE0; | |||
| 2421 | ||||
| 2422 | outrel.r_offset = | |||
| 2423 | _bfd_elf_section_offset (output_bfd, info, input_section, | |||
| 2424 | rel->r_offset); | |||
| 2425 | if (outrel.r_offset == (bfd_vma) -1) | |||
| 2426 | skip = TRUE1; | |||
| 2427 | else if (outrel.r_offset == (bfd_vma) -2) | |||
| 2428 | skip = TRUE1, relocate = TRUE1; | |||
| 2429 | ||||
| 2430 | outrel.r_offset += (input_section->output_section->vma | |||
| 2431 | + input_section->output_offset); | |||
| 2432 | ||||
| 2433 | if (skip) | |||
| 2434 | memset (&outrel, 0, sizeof outrel); | |||
| 2435 | ||||
| 2436 | /* h->dynindx may be -1 if this symbol was marked to | |||
| 2437 | become local. */ | |||
| 2438 | else if (h != NULL((void*)0) | |||
| 2439 | && h->dynindx != -1 | |||
| 2440 | && (r_type == R_X86_64_PC8 | |||
| 2441 | || r_type == R_X86_64_PC16 | |||
| 2442 | || r_type == R_X86_64_PC32 | |||
| 2443 | || r_type == R_X86_64_PC64 | |||
| 2444 | || !info->shared | |||
| 2445 | || !info->symbolic | |||
| 2446 | || !h->def_regular)) | |||
| 2447 | { | |||
| 2448 | outrel.r_info = ELF64_R_INFO (h->dynindx, r_type)(((bfd_vma) (h->dynindx) << 31 << 1) + (bfd_vma ) (r_type)); | |||
| 2449 | outrel.r_addend = rel->r_addend; | |||
| 2450 | } | |||
| 2451 | else | |||
| 2452 | { | |||
| 2453 | /* This symbol is local, or marked to become local. */ | |||
| 2454 | if (r_type == R_X86_64_64) | |||
| 2455 | { | |||
| 2456 | relocate = TRUE1; | |||
| 2457 | outrel.r_info = ELF64_R_INFO (0, R_X86_64_RELATIVE)(((bfd_vma) (0) << 31 << 1) + (bfd_vma) (R_X86_64_RELATIVE )); | |||
| 2458 | outrel.r_addend = relocation + rel->r_addend; | |||
| 2459 | } | |||
| 2460 | else | |||
| 2461 | { | |||
| 2462 | long sindx; | |||
| 2463 | ||||
| 2464 | if (bfd_is_abs_section (sec)((sec) == ((asection *) &bfd_abs_section))) | |||
| 2465 | sindx = 0; | |||
| 2466 | else if (sec == NULL((void*)0) || sec->owner == NULL((void*)0)) | |||
| 2467 | { | |||
| 2468 | bfd_set_error (bfd_error_bad_value); | |||
| 2469 | return FALSE0; | |||
| 2470 | } | |||
| 2471 | else | |||
| 2472 | { | |||
| 2473 | asection *osec; | |||
| 2474 | ||||
| 2475 | osec = sec->output_section; | |||
| 2476 | sindx = elf_section_data (osec)((struct bfd_elf_section_data*)(osec)->used_by_bfd)->dynindx; | |||
| 2477 | BFD_ASSERT (sindx > 0)do { if (!(sindx > 0)) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2477); } while (0); | |||
| 2478 | } | |||
| 2479 | ||||
| 2480 | outrel.r_info = ELF64_R_INFO (sindx, r_type)(((bfd_vma) (sindx) << 31 << 1) + (bfd_vma) (r_type )); | |||
| 2481 | outrel.r_addend = relocation + rel->r_addend; | |||
| 2482 | } | |||
| 2483 | } | |||
| 2484 | ||||
| 2485 | sreloc = elf_section_data (input_section)((struct bfd_elf_section_data*)(input_section)->used_by_bfd )->sreloc; | |||
| 2486 | if (sreloc == NULL((void*)0)) | |||
| 2487 | abort ()_bfd_abort ("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" , 2487, __PRETTY_FUNCTION__); | |||
| 2488 | ||||
| 2489 | loc = sreloc->contents; | |||
| 2490 | loc += sreloc->reloc_count++ * sizeof (Elf64_External_Rela); | |||
| 2491 | bfd_elf64_swap_reloca_out (output_bfd, &outrel, loc); | |||
| 2492 | ||||
| 2493 | /* If this reloc is against an external symbol, we do | |||
| 2494 | not want to fiddle with the addend. Otherwise, we | |||
| 2495 | need to include the symbol value so that it becomes | |||
| 2496 | an addend for the dynamic reloc. */ | |||
| 2497 | if (! relocate) | |||
| 2498 | continue; | |||
| 2499 | } | |||
| 2500 | ||||
| 2501 | break; | |||
| 2502 | ||||
| 2503 | case R_X86_64_TLSGD: | |||
| 2504 | case R_X86_64_GOTPC32_TLSDESC: | |||
| 2505 | case R_X86_64_TLSDESC_CALL: | |||
| 2506 | case R_X86_64_GOTTPOFF: | |||
| 2507 | r_type = elf64_x86_64_tls_transition (info, r_type, h == NULL((void*)0)); | |||
| 2508 | tls_type = GOT_UNKNOWN0; | |||
| 2509 | if (h == NULL((void*)0) && local_got_offsets) | |||
| 2510 | tls_type = elf64_x86_64_local_got_tls_type (input_bfd)(((struct elf64_x86_64_obj_tdata *) (input_bfd)->tdata.any )->local_got_tls_type) [r_symndx]; | |||
| 2511 | else if (h != NULL((void*)0)) | |||
| 2512 | { | |||
| 2513 | tls_type = elf64_x86_64_hash_entry (h)((struct elf64_x86_64_link_hash_entry *)(h))->tls_type; | |||
| 2514 | if (!info->shared && h->dynindx == -1 && tls_type == GOT_TLS_IE3) | |||
| 2515 | r_type = R_X86_64_TPOFF32; | |||
| 2516 | } | |||
| 2517 | if (r_type == R_X86_64_TLSGD | |||
| 2518 | || r_type == R_X86_64_GOTPC32_TLSDESC | |||
| 2519 | || r_type == R_X86_64_TLSDESC_CALL) | |||
| 2520 | { | |||
| 2521 | if (tls_type == GOT_TLS_IE3) | |||
| 2522 | r_type = R_X86_64_GOTTPOFF; | |||
| 2523 | } | |||
| 2524 | ||||
| 2525 | if (r_type == R_X86_64_TPOFF32) | |||
| 2526 | { | |||
| 2527 | BFD_ASSERT (! unresolved_reloc)do { if (!(! unresolved_reloc)) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2527); } while (0); | |||
| 2528 | if (ELF64_R_TYPE (rel->r_info)((rel->r_info) & 0xffffffff) == R_X86_64_TLSGD) | |||
| 2529 | { | |||
| 2530 | unsigned int i; | |||
| 2531 | static unsigned char tlsgd[8] | |||
| 2532 | = { 0x66, 0x48, 0x8d, 0x3d, 0x66, 0x66, 0x48, 0xe8 }; | |||
| 2533 | ||||
| 2534 | /* GD->LE transition. | |||
| 2535 | .byte 0x66; leaq foo@tlsgd(%rip), %rdi | |||
| 2536 | .word 0x6666; rex64; call __tls_get_addr@plt | |||
| 2537 | Change it into: | |||
| 2538 | movq %fs:0, %rax | |||
| 2539 | leaq foo@tpoff(%rax), %rax */ | |||
| 2540 | BFD_ASSERT (rel->r_offset >= 4)do { if (!(rel->r_offset >= 4)) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2540); } while (0); | |||
| 2541 | for (i = 0; i < 4; i++) | |||
| 2542 | BFD_ASSERT (bfd_get_8 (input_bfd,do { if (!((*(unsigned char *) (contents + rel->r_offset - 4 + i) & 0xff) == tlsgd[i])) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2544); } while (0) | |||
| 2543 | contents + rel->r_offset - 4 + i)do { if (!((*(unsigned char *) (contents + rel->r_offset - 4 + i) & 0xff) == tlsgd[i])) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2544); } while (0) | |||
| 2544 | == tlsgd[i])do { if (!((*(unsigned char *) (contents + rel->r_offset - 4 + i) & 0xff) == tlsgd[i])) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2544); } while (0); | |||
| 2545 | BFD_ASSERT (rel->r_offset + 12 <= input_section->size)do { if (!(rel->r_offset + 12 <= input_section->size )) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2545); } while (0); | |||
| 2546 | for (i = 0; i < 4; i++) | |||
| 2547 | BFD_ASSERT (bfd_get_8 (input_bfd,do { if (!((*(unsigned char *) (contents + rel->r_offset + 4 + i) & 0xff) == tlsgd[i+4])) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2549); } while (0) | |||
| 2548 | contents + rel->r_offset + 4 + i)do { if (!((*(unsigned char *) (contents + rel->r_offset + 4 + i) & 0xff) == tlsgd[i+4])) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2549); } while (0) | |||
| 2549 | == tlsgd[i+4])do { if (!((*(unsigned char *) (contents + rel->r_offset + 4 + i) & 0xff) == tlsgd[i+4])) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2549); } while (0); | |||
| 2550 | BFD_ASSERT (rel + 1 < relend)do { if (!(rel + 1 < relend)) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2550); } while (0); | |||
| 2551 | BFD_ASSERT (ELF64_R_TYPE (rel[1].r_info) == R_X86_64_PLT32)do { if (!(((rel[1].r_info) & 0xffffffff) == R_X86_64_PLT32 )) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2551); } while (0); | |||
| 2552 | memcpy (contents + rel->r_offset - 4, | |||
| 2553 | "\x64\x48\x8b\x04\x25\0\0\0\0\x48\x8d\x80\0\0\0", | |||
| 2554 | 16); | |||
| 2555 | bfd_put_32 (output_bfd, tpoff (info, relocation),((*((output_bfd)->xvec->bfd_putx32)) ((tpoff (info, relocation )),(contents + rel->r_offset + 8))) | |||
| 2556 | contents + rel->r_offset + 8)((*((output_bfd)->xvec->bfd_putx32)) ((tpoff (info, relocation )),(contents + rel->r_offset + 8))); | |||
| 2557 | /* Skip R_X86_64_PLT32. */ | |||
| 2558 | rel++; | |||
| 2559 | continue; | |||
| 2560 | } | |||
| 2561 | else if (ELF64_R_TYPE (rel->r_info)((rel->r_info) & 0xffffffff) == R_X86_64_GOTPC32_TLSDESC) | |||
| 2562 | { | |||
| 2563 | /* GDesc -> LE transition. | |||
| 2564 | It's originally something like: | |||
| 2565 | leaq x@tlsdesc(%rip), %rax | |||
| 2566 | ||||
| 2567 | Change it to: | |||
| 2568 | movl $x@tpoff, %rax | |||
| 2569 | ||||
| 2570 | Registers other than %rax may be set up here. */ | |||
| 2571 | ||||
| 2572 | unsigned int val, type, type2; | |||
| 2573 | bfd_vma roff; | |||
| 2574 | ||||
| 2575 | /* First, make sure it's a leaq adding rip to a | |||
| 2576 | 32-bit offset into any register, although it's | |||
| 2577 | probably almost always going to be rax. */ | |||
| 2578 | roff = rel->r_offset; | |||
| 2579 | BFD_ASSERT (roff >= 3)do { if (!(roff >= 3)) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2579); } while (0); | |||
| 2580 | type = bfd_get_8 (input_bfd, contents + roff - 3)(*(unsigned char *) (contents + roff - 3) & 0xff); | |||
| 2581 | BFD_ASSERT ((type & 0xfb) == 0x48)do { if (!((type & 0xfb) == 0x48)) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2581); } while (0); | |||
| 2582 | type2 = bfd_get_8 (input_bfd, contents + roff - 2)(*(unsigned char *) (contents + roff - 2) & 0xff); | |||
| 2583 | BFD_ASSERT (type2 == 0x8d)do { if (!(type2 == 0x8d)) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2583); } while (0); | |||
| 2584 | val = bfd_get_8 (input_bfd, contents + roff - 1)(*(unsigned char *) (contents + roff - 1) & 0xff); | |||
| 2585 | BFD_ASSERT ((val & 0xc7) == 0x05)do { if (!((val & 0xc7) == 0x05)) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2585); } while (0); | |||
| 2586 | BFD_ASSERT (roff + 4 <= input_section->size)do { if (!(roff + 4 <= input_section->size)) bfd_assert ("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c",2586 ); } while (0); | |||
| 2587 | ||||
| 2588 | /* Now modify the instruction as appropriate. */ | |||
| 2589 | bfd_put_8 (output_bfd, 0x48 | ((type >> 2) & 1),((void) (*((unsigned char *) (contents + roff - 3)) = (0x48 | ((type >> 2) & 1)) & 0xff)) | |||
| 2590 | contents + roff - 3)((void) (*((unsigned char *) (contents + roff - 3)) = (0x48 | ((type >> 2) & 1)) & 0xff)); | |||
| 2591 | bfd_put_8 (output_bfd, 0xc7, contents + roff - 2)((void) (*((unsigned char *) (contents + roff - 2)) = (0xc7) & 0xff)); | |||
| 2592 | bfd_put_8 (output_bfd, 0xc0 | ((val >> 3) & 7),((void) (*((unsigned char *) (contents + roff - 1)) = (0xc0 | ((val >> 3) & 7)) & 0xff)) | |||
| 2593 | contents + roff - 1)((void) (*((unsigned char *) (contents + roff - 1)) = (0xc0 | ((val >> 3) & 7)) & 0xff)); | |||
| 2594 | bfd_put_32 (output_bfd, tpoff (info, relocation),((*((output_bfd)->xvec->bfd_putx32)) ((tpoff (info, relocation )),(contents + roff))) | |||
| 2595 | contents + roff)((*((output_bfd)->xvec->bfd_putx32)) ((tpoff (info, relocation )),(contents + roff))); | |||
| 2596 | continue; | |||
| 2597 | } | |||
| 2598 | else if (ELF64_R_TYPE (rel->r_info)((rel->r_info) & 0xffffffff) == R_X86_64_TLSDESC_CALL) | |||
| 2599 | { | |||
| 2600 | /* GDesc -> LE transition. | |||
| 2601 | It's originally: | |||
| 2602 | call *(%rax) | |||
| 2603 | Turn it into: | |||
| 2604 | nop; nop. */ | |||
| 2605 | ||||
| 2606 | unsigned int val, type; | |||
| 2607 | bfd_vma roff; | |||
| 2608 | ||||
| 2609 | /* First, make sure it's a call *(%rax). */ | |||
| 2610 | roff = rel->r_offset; | |||
| 2611 | BFD_ASSERT (roff + 2 <= input_section->size)do { if (!(roff + 2 <= input_section->size)) bfd_assert ("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c",2611 ); } while (0); | |||
| 2612 | type = bfd_get_8 (input_bfd, contents + roff)(*(unsigned char *) (contents + roff) & 0xff); | |||
| 2613 | BFD_ASSERT (type == 0xff)do { if (!(type == 0xff)) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2613); } while (0); | |||
| 2614 | val = bfd_get_8 (input_bfd, contents + roff + 1)(*(unsigned char *) (contents + roff + 1) & 0xff); | |||
| 2615 | BFD_ASSERT (val == 0x10)do { if (!(val == 0x10)) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2615); } while (0); | |||
| 2616 | ||||
| 2617 | /* Now modify the instruction as appropriate. */ | |||
| 2618 | bfd_put_8 (output_bfd, 0x90, contents + roff)((void) (*((unsigned char *) (contents + roff)) = (0x90) & 0xff)); | |||
| 2619 | bfd_put_8 (output_bfd, 0x90, contents + roff + 1)((void) (*((unsigned char *) (contents + roff + 1)) = (0x90) & 0xff)); | |||
| 2620 | continue; | |||
| 2621 | } | |||
| 2622 | else | |||
| 2623 | { | |||
| 2624 | unsigned int val, type, reg; | |||
| 2625 | ||||
| 2626 | /* IE->LE transition: | |||
| 2627 | Originally it can be one of: | |||
| 2628 | movq foo@gottpoff(%rip), %reg | |||
| 2629 | addq foo@gottpoff(%rip), %reg | |||
| 2630 | We change it into: | |||
| 2631 | movq $foo, %reg | |||
| 2632 | leaq foo(%reg), %reg | |||
| 2633 | addq $foo, %reg. */ | |||
| 2634 | BFD_ASSERT (rel->r_offset >= 3)do { if (!(rel->r_offset >= 3)) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2634); } while (0); | |||
| 2635 | val = bfd_get_8 (input_bfd, contents + rel->r_offset - 3)(*(unsigned char *) (contents + rel->r_offset - 3) & 0xff ); | |||
| 2636 | BFD_ASSERT (val == 0x48 || val == 0x4c)do { if (!(val == 0x48 || val == 0x4c)) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2636); } while (0); | |||
| 2637 | type = bfd_get_8 (input_bfd, contents + rel->r_offset - 2)(*(unsigned char *) (contents + rel->r_offset - 2) & 0xff ); | |||
| 2638 | BFD_ASSERT (type == 0x8b || type == 0x03)do { if (!(type == 0x8b || type == 0x03)) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2638); } while (0); | |||
| 2639 | reg = bfd_get_8 (input_bfd, contents + rel->r_offset - 1)(*(unsigned char *) (contents + rel->r_offset - 1) & 0xff ); | |||
| 2640 | BFD_ASSERT ((reg & 0xc7) == 5)do { if (!((reg & 0xc7) == 5)) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2640); } while (0); | |||
| 2641 | reg >>= 3; | |||
| 2642 | BFD_ASSERT (rel->r_offset + 4 <= input_section->size)do { if (!(rel->r_offset + 4 <= input_section->size) ) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2642); } while (0); | |||
| 2643 | if (type == 0x8b) | |||
| 2644 | { | |||
| 2645 | /* movq */ | |||
| 2646 | if (val == 0x4c) | |||
| 2647 | bfd_put_8 (output_bfd, 0x49,((void) (*((unsigned char *) (contents + rel->r_offset - 3 )) = (0x49) & 0xff)) | |||
| 2648 | contents + rel->r_offset - 3)((void) (*((unsigned char *) (contents + rel->r_offset - 3 )) = (0x49) & 0xff)); | |||
| 2649 | bfd_put_8 (output_bfd, 0xc7,((void) (*((unsigned char *) (contents + rel->r_offset - 2 )) = (0xc7) & 0xff)) | |||
| 2650 | contents + rel->r_offset - 2)((void) (*((unsigned char *) (contents + rel->r_offset - 2 )) = (0xc7) & 0xff)); | |||
| 2651 | bfd_put_8 (output_bfd, 0xc0 | reg,((void) (*((unsigned char *) (contents + rel->r_offset - 1 )) = (0xc0 | reg) & 0xff)) | |||
| 2652 | contents + rel->r_offset - 1)((void) (*((unsigned char *) (contents + rel->r_offset - 1 )) = (0xc0 | reg) & 0xff)); | |||
| 2653 | } | |||
| 2654 | else if (reg == 4) | |||
| 2655 | { | |||
| 2656 | /* addq -> addq - addressing with %rsp/%r12 is | |||
| 2657 | special */ | |||
| 2658 | if (val == 0x4c) | |||
| 2659 | bfd_put_8 (output_bfd, 0x49,((void) (*((unsigned char *) (contents + rel->r_offset - 3 )) = (0x49) & 0xff)) | |||
| 2660 | contents + rel->r_offset - 3)((void) (*((unsigned char *) (contents + rel->r_offset - 3 )) = (0x49) & 0xff)); | |||
| 2661 | bfd_put_8 (output_bfd, 0x81,((void) (*((unsigned char *) (contents + rel->r_offset - 2 )) = (0x81) & 0xff)) | |||
| 2662 | contents + rel->r_offset - 2)((void) (*((unsigned char *) (contents + rel->r_offset - 2 )) = (0x81) & 0xff)); | |||
| 2663 | bfd_put_8 (output_bfd, 0xc0 | reg,((void) (*((unsigned char *) (contents + rel->r_offset - 1 )) = (0xc0 | reg) & 0xff)) | |||
| 2664 | contents + rel->r_offset - 1)((void) (*((unsigned char *) (contents + rel->r_offset - 1 )) = (0xc0 | reg) & 0xff)); | |||
| 2665 | } | |||
| 2666 | else | |||
| 2667 | { | |||
| 2668 | /* addq -> leaq */ | |||
| 2669 | if (val == 0x4c) | |||
| 2670 | bfd_put_8 (output_bfd, 0x4d,((void) (*((unsigned char *) (contents + rel->r_offset - 3 )) = (0x4d) & 0xff)) | |||
| 2671 | contents + rel->r_offset - 3)((void) (*((unsigned char *) (contents + rel->r_offset - 3 )) = (0x4d) & 0xff)); | |||
| 2672 | bfd_put_8 (output_bfd, 0x8d,((void) (*((unsigned char *) (contents + rel->r_offset - 2 )) = (0x8d) & 0xff)) | |||
| 2673 | contents + rel->r_offset - 2)((void) (*((unsigned char *) (contents + rel->r_offset - 2 )) = (0x8d) & 0xff)); | |||
| 2674 | bfd_put_8 (output_bfd, 0x80 | reg | (reg << 3),((void) (*((unsigned char *) (contents + rel->r_offset - 1 )) = (0x80 | reg | (reg << 3)) & 0xff)) | |||
| 2675 | contents + rel->r_offset - 1)((void) (*((unsigned char *) (contents + rel->r_offset - 1 )) = (0x80 | reg | (reg << 3)) & 0xff)); | |||
| 2676 | } | |||
| 2677 | bfd_put_32 (output_bfd, tpoff (info, relocation),((*((output_bfd)->xvec->bfd_putx32)) ((tpoff (info, relocation )),(contents + rel->r_offset))) | |||
| 2678 | contents + rel->r_offset)((*((output_bfd)->xvec->bfd_putx32)) ((tpoff (info, relocation )),(contents + rel->r_offset))); | |||
| 2679 | continue; | |||
| 2680 | } | |||
| 2681 | } | |||
| 2682 | ||||
| 2683 | if (htab->sgot == NULL((void*)0)) | |||
| 2684 | abort ()_bfd_abort ("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" , 2684, __PRETTY_FUNCTION__); | |||
| 2685 | ||||
| 2686 | if (h != NULL((void*)0)) | |||
| 2687 | { | |||
| 2688 | off = h->got.offset; | |||
| 2689 | offplt = elf64_x86_64_hash_entry (h)((struct elf64_x86_64_link_hash_entry *)(h))->tlsdesc_got; | |||
| 2690 | } | |||
| 2691 | else | |||
| 2692 | { | |||
| 2693 | if (local_got_offsets == NULL((void*)0)) | |||
| 2694 | abort ()_bfd_abort ("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" , 2694, __PRETTY_FUNCTION__); | |||
| 2695 | ||||
| 2696 | off = local_got_offsets[r_symndx]; | |||
| 2697 | offplt = local_tlsdesc_gotents[r_symndx]; | |||
| 2698 | } | |||
| 2699 | ||||
| 2700 | if ((off & 1) != 0) | |||
| 2701 | off &= ~1; | |||
| 2702 | else | |||
| 2703 | { | |||
| 2704 | Elf_Internal_Rela outrel; | |||
| 2705 | bfd_byte *loc; | |||
| 2706 | int dr_type, indx; | |||
| 2707 | asection *sreloc; | |||
| 2708 | ||||
| 2709 | if (htab->srelgot == NULL((void*)0)) | |||
| 2710 | abort ()_bfd_abort ("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" , 2710, __PRETTY_FUNCTION__); | |||
| 2711 | ||||
| 2712 | indx = h && h->dynindx != -1 ? h->dynindx : 0; | |||
| 2713 | ||||
| 2714 | if (GOT_TLS_GDESC_P (tls_type)((tls_type) == 4 || ((tls_type) == (2 | 4)))) | |||
| 2715 | { | |||
| 2716 | outrel.r_info = ELF64_R_INFO (indx, R_X86_64_TLSDESC)(((bfd_vma) (indx) << 31 << 1) + (bfd_vma) (R_X86_64_TLSDESC )); | |||
| 2717 | BFD_ASSERT (htab->sgotplt_jump_table_size + offpltdo { if (!(htab->sgotplt_jump_table_size + offplt + 2 * 8 <= htab->sgotplt->size)) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2718); } while (0) | |||
| 2718 | + 2 * GOT_ENTRY_SIZE <= htab->sgotplt->size)do { if (!(htab->sgotplt_jump_table_size + offplt + 2 * 8 <= htab->sgotplt->size)) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2718); } while (0); | |||
| 2719 | outrel.r_offset = (htab->sgotplt->output_section->vma | |||
| 2720 | + htab->sgotplt->output_offset | |||
| 2721 | + offplt | |||
| 2722 | + htab->sgotplt_jump_table_size); | |||
| 2723 | sreloc = htab->srelplt; | |||
| 2724 | loc = sreloc->contents; | |||
| 2725 | loc += sreloc->reloc_count++ | |||
| 2726 | * sizeof (Elf64_External_Rela); | |||
| 2727 | BFD_ASSERT (loc + sizeof (Elf64_External_Rela)do { if (!(loc + sizeof (Elf64_External_Rela) <= sreloc-> contents + sreloc->size)) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2728); } while (0) | |||
| 2728 | <= sreloc->contents + sreloc->size)do { if (!(loc + sizeof (Elf64_External_Rela) <= sreloc-> contents + sreloc->size)) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2728); } while (0); | |||
| 2729 | if (indx == 0) | |||
| 2730 | outrel.r_addend = relocation - dtpoff_base (info); | |||
| 2731 | else | |||
| 2732 | outrel.r_addend = 0; | |||
| 2733 | bfd_elf64_swap_reloca_out (output_bfd, &outrel, loc); | |||
| 2734 | } | |||
| 2735 | ||||
| 2736 | sreloc = htab->srelgot; | |||
| 2737 | ||||
| 2738 | outrel.r_offset = (htab->sgot->output_section->vma | |||
| 2739 | + htab->sgot->output_offset + off); | |||
| 2740 | ||||
| 2741 | if (GOT_TLS_GD_P (tls_type)((tls_type) == 2 || ((tls_type) == (2 | 4)))) | |||
| 2742 | dr_type = R_X86_64_DTPMOD64; | |||
| 2743 | else if (GOT_TLS_GDESC_P (tls_type)((tls_type) == 4 || ((tls_type) == (2 | 4)))) | |||
| 2744 | goto dr_done; | |||
| 2745 | else | |||
| 2746 | dr_type = R_X86_64_TPOFF64; | |||
| 2747 | ||||
| 2748 | bfd_put_64 (output_bfd, 0, htab->sgot->contents + off)((*((output_bfd)->xvec->bfd_putx64)) ((0), (htab->sgot ->contents + off))); | |||
| 2749 | outrel.r_addend = 0; | |||
| 2750 | if ((dr_type == R_X86_64_TPOFF64 | |||
| 2751 | || dr_type == R_X86_64_TLSDESC) && indx == 0) | |||
| 2752 | outrel.r_addend = relocation - dtpoff_base (info); | |||
| 2753 | outrel.r_info = ELF64_R_INFO (indx, dr_type)(((bfd_vma) (indx) << 31 << 1) + (bfd_vma) (dr_type )); | |||
| 2754 | ||||
| 2755 | loc = sreloc->contents; | |||
| 2756 | loc += sreloc->reloc_count++ * sizeof (Elf64_External_Rela); | |||
| 2757 | BFD_ASSERT (loc + sizeof (Elf64_External_Rela)do { if (!(loc + sizeof (Elf64_External_Rela) <= sreloc-> contents + sreloc->size)) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2758); } while (0) | |||
| 2758 | <= sreloc->contents + sreloc->size)do { if (!(loc + sizeof (Elf64_External_Rela) <= sreloc-> contents + sreloc->size)) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2758); } while (0); | |||
| 2759 | bfd_elf64_swap_reloca_out (output_bfd, &outrel, loc); | |||
| 2760 | ||||
| 2761 | if (GOT_TLS_GD_P (tls_type)((tls_type) == 2 || ((tls_type) == (2 | 4)))) | |||
| 2762 | { | |||
| 2763 | if (indx == 0) | |||
| 2764 | { | |||
| 2765 | BFD_ASSERT (! unresolved_reloc)do { if (!(! unresolved_reloc)) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2765); } while (0); | |||
| 2766 | bfd_put_64 (output_bfd,((*((output_bfd)->xvec->bfd_putx64)) ((relocation - dtpoff_base (info)), (htab->sgot->contents + off + 8))) | |||
| 2767 | relocation - dtpoff_base (info),((*((output_bfd)->xvec->bfd_putx64)) ((relocation - dtpoff_base (info)), (htab->sgot->contents + off + 8))) | |||
| 2768 | htab->sgot->contents + off + GOT_ENTRY_SIZE)((*((output_bfd)->xvec->bfd_putx64)) ((relocation - dtpoff_base (info)), (htab->sgot->contents + off + 8))); | |||
| 2769 | } | |||
| 2770 | else | |||
| 2771 | { | |||
| 2772 | bfd_put_64 (output_bfd, 0,((*((output_bfd)->xvec->bfd_putx64)) ((0), (htab->sgot ->contents + off + 8))) | |||
| 2773 | htab->sgot->contents + off + GOT_ENTRY_SIZE)((*((output_bfd)->xvec->bfd_putx64)) ((0), (htab->sgot ->contents + off + 8))); | |||
| 2774 | outrel.r_info = ELF64_R_INFO (indx,(((bfd_vma) (indx) << 31 << 1) + (bfd_vma) (R_X86_64_DTPOFF64 )) | |||
| 2775 | R_X86_64_DTPOFF64)(((bfd_vma) (indx) << 31 << 1) + (bfd_vma) (R_X86_64_DTPOFF64 )); | |||
| 2776 | outrel.r_offset += GOT_ENTRY_SIZE8; | |||
| 2777 | sreloc->reloc_count++; | |||
| 2778 | loc += sizeof (Elf64_External_Rela); | |||
| 2779 | BFD_ASSERT (loc + sizeof (Elf64_External_Rela)do { if (!(loc + sizeof (Elf64_External_Rela) <= sreloc-> contents + sreloc->size)) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2780); } while (0) | |||
| 2780 | <= sreloc->contents + sreloc->size)do { if (!(loc + sizeof (Elf64_External_Rela) <= sreloc-> contents + sreloc->size)) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2780); } while (0); | |||
| 2781 | bfd_elf64_swap_reloca_out (output_bfd, &outrel, loc); | |||
| 2782 | } | |||
| 2783 | } | |||
| 2784 | ||||
| 2785 | dr_done: | |||
| 2786 | if (h != NULL((void*)0)) | |||
| 2787 | h->got.offset |= 1; | |||
| 2788 | else | |||
| 2789 | local_got_offsets[r_symndx] |= 1; | |||
| 2790 | } | |||
| 2791 | ||||
| 2792 | if (off >= (bfd_vma) -2 | |||
| 2793 | && ! GOT_TLS_GDESC_P (tls_type)((tls_type) == 4 || ((tls_type) == (2 | 4)))) | |||
| 2794 | abort ()_bfd_abort ("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" , 2794, __PRETTY_FUNCTION__); | |||
| 2795 | if (r_type == ELF64_R_TYPE (rel->r_info)((rel->r_info) & 0xffffffff)) | |||
| 2796 | { | |||
| 2797 | if (r_type == R_X86_64_GOTPC32_TLSDESC | |||
| 2798 | || r_type == R_X86_64_TLSDESC_CALL) | |||
| 2799 | relocation = htab->sgotplt->output_section->vma | |||
| 2800 | + htab->sgotplt->output_offset | |||
| 2801 | + offplt + htab->sgotplt_jump_table_size; | |||
| 2802 | else | |||
| 2803 | relocation = htab->sgot->output_section->vma | |||
| 2804 | + htab->sgot->output_offset + off; | |||
| 2805 | unresolved_reloc = FALSE0; | |||
| 2806 | } | |||
| 2807 | else if (ELF64_R_TYPE (rel->r_info)((rel->r_info) & 0xffffffff) == R_X86_64_TLSGD) | |||
| 2808 | { | |||
| 2809 | unsigned int i; | |||
| 2810 | static unsigned char tlsgd[8] | |||
| 2811 | = { 0x66, 0x48, 0x8d, 0x3d, 0x66, 0x66, 0x48, 0xe8 }; | |||
| 2812 | ||||
| 2813 | /* GD->IE transition. | |||
| 2814 | .byte 0x66; leaq foo@tlsgd(%rip), %rdi | |||
| 2815 | .word 0x6666; rex64; call __tls_get_addr@plt | |||
| 2816 | Change it into: | |||
| 2817 | movq %fs:0, %rax | |||
| 2818 | addq foo@gottpoff(%rip), %rax */ | |||
| 2819 | BFD_ASSERT (rel->r_offset >= 4)do { if (!(rel->r_offset >= 4)) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2819); } while (0); | |||
| 2820 | for (i = 0; i < 4; i++) | |||
| 2821 | BFD_ASSERT (bfd_get_8 (input_bfd,do { if (!((*(unsigned char *) (contents + rel->r_offset - 4 + i) & 0xff) == tlsgd[i])) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2823); } while (0) | |||
| 2822 | contents + rel->r_offset - 4 + i)do { if (!((*(unsigned char *) (contents + rel->r_offset - 4 + i) & 0xff) == tlsgd[i])) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2823); } while (0) | |||
| 2823 | == tlsgd[i])do { if (!((*(unsigned char *) (contents + rel->r_offset - 4 + i) & 0xff) == tlsgd[i])) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2823); } while (0); | |||
| 2824 | BFD_ASSERT (rel->r_offset + 12 <= input_section->size)do { if (!(rel->r_offset + 12 <= input_section->size )) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2824); } while (0); | |||
| 2825 | for (i = 0; i < 4; i++) | |||
| 2826 | BFD_ASSERT (bfd_get_8 (input_bfd,do { if (!((*(unsigned char *) (contents + rel->r_offset + 4 + i) & 0xff) == tlsgd[i+4])) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2828); } while (0) | |||
| 2827 | contents + rel->r_offset + 4 + i)do { if (!((*(unsigned char *) (contents + rel->r_offset + 4 + i) & 0xff) == tlsgd[i+4])) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2828); } while (0) | |||
| 2828 | == tlsgd[i+4])do { if (!((*(unsigned char *) (contents + rel->r_offset + 4 + i) & 0xff) == tlsgd[i+4])) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2828); } while (0); | |||
| 2829 | BFD_ASSERT (rel + 1 < relend)do { if (!(rel + 1 < relend)) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2829); } while (0); | |||
| 2830 | BFD_ASSERT (ELF64_R_TYPE (rel[1].r_info) == R_X86_64_PLT32)do { if (!(((rel[1].r_info) & 0xffffffff) == R_X86_64_PLT32 )) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2830); } while (0); | |||
| 2831 | memcpy (contents + rel->r_offset - 4, | |||
| 2832 | "\x64\x48\x8b\x04\x25\0\0\0\0\x48\x03\x05\0\0\0", | |||
| 2833 | 16); | |||
| 2834 | ||||
| 2835 | relocation = (htab->sgot->output_section->vma | |||
| 2836 | + htab->sgot->output_offset + off | |||
| 2837 | - rel->r_offset | |||
| 2838 | - input_section->output_section->vma | |||
| 2839 | - input_section->output_offset | |||
| 2840 | - 12); | |||
| 2841 | bfd_put_32 (output_bfd, relocation,((*((output_bfd)->xvec->bfd_putx32)) ((relocation),(contents + rel->r_offset + 8))) | |||
| 2842 | contents + rel->r_offset + 8)((*((output_bfd)->xvec->bfd_putx32)) ((relocation),(contents + rel->r_offset + 8))); | |||
| 2843 | /* Skip R_X86_64_PLT32. */ | |||
| 2844 | rel++; | |||
| 2845 | continue; | |||
| 2846 | } | |||
| 2847 | else if (ELF64_R_TYPE (rel->r_info)((rel->r_info) & 0xffffffff) == R_X86_64_GOTPC32_TLSDESC) | |||
| 2848 | { | |||
| 2849 | /* GDesc -> IE transition. | |||
| 2850 | It's originally something like: | |||
| 2851 | leaq x@tlsdesc(%rip), %rax | |||
| 2852 | ||||
| 2853 | Change it to: | |||
| 2854 | movq x@gottpoff(%rip), %rax # before nop; nop | |||
| 2855 | ||||
| 2856 | Registers other than %rax may be set up here. */ | |||
| 2857 | ||||
| 2858 | unsigned int val, type, type2; | |||
| 2859 | bfd_vma roff; | |||
| 2860 | ||||
| 2861 | /* First, make sure it's a leaq adding rip to a 32-bit | |||
| 2862 | offset into any register, although it's probably | |||
| 2863 | almost always going to be rax. */ | |||
| 2864 | roff = rel->r_offset; | |||
| 2865 | BFD_ASSERT (roff >= 3)do { if (!(roff >= 3)) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2865); } while (0); | |||
| 2866 | type = bfd_get_8 (input_bfd, contents + roff - 3)(*(unsigned char *) (contents + roff - 3) & 0xff); | |||
| 2867 | BFD_ASSERT ((type & 0xfb) == 0x48)do { if (!((type & 0xfb) == 0x48)) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2867); } while (0); | |||
| 2868 | type2 = bfd_get_8 (input_bfd, contents + roff - 2)(*(unsigned char *) (contents + roff - 2) & 0xff); | |||
| 2869 | BFD_ASSERT (type2 == 0x8d)do { if (!(type2 == 0x8d)) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2869); } while (0); | |||
| 2870 | val = bfd_get_8 (input_bfd, contents + roff - 1)(*(unsigned char *) (contents + roff - 1) & 0xff); | |||
| 2871 | BFD_ASSERT ((val & 0xc7) == 0x05)do { if (!((val & 0xc7) == 0x05)) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2871); } while (0); | |||
| 2872 | BFD_ASSERT (roff + 4 <= input_section->size)do { if (!(roff + 4 <= input_section->size)) bfd_assert ("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c",2872 ); } while (0); | |||
| 2873 | ||||
| 2874 | /* Now modify the instruction as appropriate. */ | |||
| 2875 | /* To turn a leaq into a movq in the form we use it, it | |||
| 2876 | suffices to change the second byte from 0x8d to | |||
| 2877 | 0x8b. */ | |||
| 2878 | bfd_put_8 (output_bfd, 0x8b, contents + roff - 2)((void) (*((unsigned char *) (contents + roff - 2)) = (0x8b) & 0xff)); | |||
| 2879 | ||||
| 2880 | bfd_put_32 (output_bfd,((*((output_bfd)->xvec->bfd_putx32)) ((htab->sgot-> output_section->vma + htab->sgot->output_offset + off - rel->r_offset - input_section->output_section->vma - input_section->output_offset - 4),(contents + roff))) | |||
| 2881 | htab->sgot->output_section->vma((*((output_bfd)->xvec->bfd_putx32)) ((htab->sgot-> output_section->vma + htab->sgot->output_offset + off - rel->r_offset - input_section->output_section->vma - input_section->output_offset - 4),(contents + roff))) | |||
| 2882 | + htab->sgot->output_offset + off((*((output_bfd)->xvec->bfd_putx32)) ((htab->sgot-> output_section->vma + htab->sgot->output_offset + off - rel->r_offset - input_section->output_section->vma - input_section->output_offset - 4),(contents + roff))) | |||
| 2883 | - rel->r_offset((*((output_bfd)->xvec->bfd_putx32)) ((htab->sgot-> output_section->vma + htab->sgot->output_offset + off - rel->r_offset - input_section->output_section->vma - input_section->output_offset - 4),(contents + roff))) | |||
| 2884 | - input_section->output_section->vma((*((output_bfd)->xvec->bfd_putx32)) ((htab->sgot-> output_section->vma + htab->sgot->output_offset + off - rel->r_offset - input_section->output_section->vma - input_section->output_offset - 4),(contents + roff))) | |||
| 2885 | - input_section->output_offset((*((output_bfd)->xvec->bfd_putx32)) ((htab->sgot-> output_section->vma + htab->sgot->output_offset + off - rel->r_offset - input_section->output_section->vma - input_section->output_offset - 4),(contents + roff))) | |||
| 2886 | - 4,((*((output_bfd)->xvec->bfd_putx32)) ((htab->sgot-> output_section->vma + htab->sgot->output_offset + off - rel->r_offset - input_section->output_section->vma - input_section->output_offset - 4),(contents + roff))) | |||
| 2887 | contents + roff)((*((output_bfd)->xvec->bfd_putx32)) ((htab->sgot-> output_section->vma + htab->sgot->output_offset + off - rel->r_offset - input_section->output_section->vma - input_section->output_offset - 4),(contents + roff))); | |||
| 2888 | continue; | |||
| 2889 | } | |||
| 2890 | else if (ELF64_R_TYPE (rel->r_info)((rel->r_info) & 0xffffffff) == R_X86_64_TLSDESC_CALL) | |||
| 2891 | { | |||
| 2892 | /* GDesc -> IE transition. | |||
| 2893 | It's originally: | |||
| 2894 | call *(%rax) | |||
| 2895 | ||||
| 2896 | Change it to: | |||
| 2897 | nop; nop. */ | |||
| 2898 | ||||
| 2899 | unsigned int val, type; | |||
| 2900 | bfd_vma roff; | |||
| 2901 | ||||
| 2902 | /* First, make sure it's a call *(%eax). */ | |||
| 2903 | roff = rel->r_offset; | |||
| 2904 | BFD_ASSERT (roff + 2 <= input_section->size)do { if (!(roff + 2 <= input_section->size)) bfd_assert ("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c",2904 ); } while (0); | |||
| 2905 | type = bfd_get_8 (input_bfd, contents + roff)(*(unsigned char *) (contents + roff) & 0xff); | |||
| 2906 | BFD_ASSERT (type == 0xff)do { if (!(type == 0xff)) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2906); } while (0); | |||
| 2907 | val = bfd_get_8 (input_bfd, contents + roff + 1)(*(unsigned char *) (contents + roff + 1) & 0xff); | |||
| 2908 | BFD_ASSERT (val == 0x10)do { if (!(val == 0x10)) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2908); } while (0); | |||
| 2909 | ||||
| 2910 | /* Now modify the instruction as appropriate. */ | |||
| 2911 | bfd_put_8 (output_bfd, 0x90, contents + roff)((void) (*((unsigned char *) (contents + roff)) = (0x90) & 0xff)); | |||
| 2912 | bfd_put_8 (output_bfd, 0x90, contents + roff + 1)((void) (*((unsigned char *) (contents + roff + 1)) = (0x90) & 0xff)); | |||
| 2913 | ||||
| 2914 | continue; | |||
| 2915 | } | |||
| 2916 | else | |||
| 2917 | BFD_ASSERT (FALSE)do { if (!(0)) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2917); } while (0); | |||
| 2918 | break; | |||
| 2919 | ||||
| 2920 | case R_X86_64_TLSLD: | |||
| 2921 | if (! info->shared) | |||
| 2922 | { | |||
| 2923 | /* LD->LE transition: | |||
| 2924 | Ensure it is: | |||
| 2925 | leaq foo@tlsld(%rip), %rdi; call __tls_get_addr@plt. | |||
| 2926 | We change it into: | |||
| 2927 | .word 0x6666; .byte 0x66; movl %fs:0, %rax. */ | |||
| 2928 | BFD_ASSERT (rel->r_offset >= 3)do { if (!(rel->r_offset >= 3)) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2928); } while (0); | |||
| 2929 | BFD_ASSERT (bfd_get_8 (input_bfd, contents + rel->r_offset - 3)do { if (!((*(unsigned char *) (contents + rel->r_offset - 3) & 0xff) == 0x48)) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2930); } while (0) | |||
| 2930 | == 0x48)do { if (!((*(unsigned char *) (contents + rel->r_offset - 3) & 0xff) == 0x48)) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2930); } while (0); | |||
| 2931 | BFD_ASSERT (bfd_get_8 (input_bfd, contents + rel->r_offset - 2)do { if (!((*(unsigned char *) (contents + rel->r_offset - 2) & 0xff) == 0x8d)) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2932); } while (0) | |||
| 2932 | == 0x8d)do { if (!((*(unsigned char *) (contents + rel->r_offset - 2) & 0xff) == 0x8d)) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2932); } while (0); | |||
| 2933 | BFD_ASSERT (bfd_get_8 (input_bfd, contents + rel->r_offset - 1)do { if (!((*(unsigned char *) (contents + rel->r_offset - 1) & 0xff) == 0x3d)) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2934); } while (0) | |||
| 2934 | == 0x3d)do { if (!((*(unsigned char *) (contents + rel->r_offset - 1) & 0xff) == 0x3d)) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2934); } while (0); | |||
| 2935 | BFD_ASSERT (rel->r_offset + 9 <= input_section->size)do { if (!(rel->r_offset + 9 <= input_section->size) ) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2935); } while (0); | |||
| 2936 | BFD_ASSERT (bfd_get_8 (input_bfd, contents + rel->r_offset + 4)do { if (!((*(unsigned char *) (contents + rel->r_offset + 4) & 0xff) == 0xe8)) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2937); } while (0) | |||
| 2937 | == 0xe8)do { if (!((*(unsigned char *) (contents + rel->r_offset + 4) & 0xff) == 0xe8)) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2937); } while (0); | |||
| 2938 | BFD_ASSERT (rel + 1 < relend)do { if (!(rel + 1 < relend)) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2938); } while (0); | |||
| 2939 | BFD_ASSERT (ELF64_R_TYPE (rel[1].r_info) == R_X86_64_PLT32)do { if (!(((rel[1].r_info) & 0xffffffff) == R_X86_64_PLT32 )) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,2939); } while (0); | |||
| 2940 | memcpy (contents + rel->r_offset - 3, | |||
| 2941 | "\x66\x66\x66\x64\x48\x8b\x04\x25\0\0\0", 12); | |||
| 2942 | /* Skip R_X86_64_PLT32. */ | |||
| 2943 | rel++; | |||
| 2944 | continue; | |||
| 2945 | } | |||
| 2946 | ||||
| 2947 | if (htab->sgot == NULL((void*)0)) | |||
| 2948 | abort ()_bfd_abort ("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" , 2948, __PRETTY_FUNCTION__); | |||
| 2949 | ||||
| 2950 | off = htab->tls_ld_got.offset; | |||
| 2951 | if (off & 1) | |||
| 2952 | off &= ~1; | |||
| 2953 | else | |||
| 2954 | { | |||
| 2955 | Elf_Internal_Rela outrel; | |||
| 2956 | bfd_byte *loc; | |||
| 2957 | ||||
| 2958 | if (htab->srelgot == NULL((void*)0)) | |||
| 2959 | abort ()_bfd_abort ("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" , 2959, __PRETTY_FUNCTION__); | |||
| 2960 | ||||
| 2961 | outrel.r_offset = (htab->sgot->output_section->vma | |||
| 2962 | + htab->sgot->output_offset + off); | |||
| 2963 | ||||
| 2964 | bfd_put_64 (output_bfd, 0,((*((output_bfd)->xvec->bfd_putx64)) ((0), (htab->sgot ->contents + off))) | |||
| 2965 | htab->sgot->contents + off)((*((output_bfd)->xvec->bfd_putx64)) ((0), (htab->sgot ->contents + off))); | |||
| 2966 | bfd_put_64 (output_bfd, 0,((*((output_bfd)->xvec->bfd_putx64)) ((0), (htab->sgot ->contents + off + 8))) | |||
| 2967 | htab->sgot->contents + off + GOT_ENTRY_SIZE)((*((output_bfd)->xvec->bfd_putx64)) ((0), (htab->sgot ->contents + off + 8))); | |||
| 2968 | outrel.r_info = ELF64_R_INFO (0, R_X86_64_DTPMOD64)(((bfd_vma) (0) << 31 << 1) + (bfd_vma) (R_X86_64_DTPMOD64 )); | |||
| 2969 | outrel.r_addend = 0; | |||
| 2970 | loc = htab->srelgot->contents; | |||
| 2971 | loc += htab->srelgot->reloc_count++ * sizeof (Elf64_External_Rela); | |||
| 2972 | bfd_elf64_swap_reloca_out (output_bfd, &outrel, loc); | |||
| 2973 | htab->tls_ld_got.offset |= 1; | |||
| 2974 | } | |||
| 2975 | relocation = htab->sgot->output_section->vma | |||
| 2976 | + htab->sgot->output_offset + off; | |||
| 2977 | unresolved_reloc = FALSE0; | |||
| 2978 | break; | |||
| 2979 | ||||
| 2980 | case R_X86_64_DTPOFF32: | |||
| 2981 | if ((info->shared && !info->executable) | |||
| 2982 | || (input_section->flags & SEC_CODE0x010) == 0) | |||
| 2983 | relocation -= dtpoff_base (info); | |||
| 2984 | else | |||
| 2985 | relocation = tpoff (info, relocation); | |||
| 2986 | break; | |||
| 2987 | ||||
| 2988 | case R_X86_64_TPOFF32: | |||
| 2989 | BFD_ASSERT (! info->shared || info->executable)do { if (!(! info->shared || info->executable)) bfd_assert ("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c",2989 ); } while (0); | |||
| 2990 | relocation = tpoff (info, relocation); | |||
| 2991 | break; | |||
| 2992 | ||||
| 2993 | default: | |||
| 2994 | break; | |||
| 2995 | } | |||
| 2996 | ||||
| 2997 | /* Dynamic relocs are not propagated for SEC_DEBUGGING sections | |||
| 2998 | because such sections are not SEC_ALLOC and thus ld.so will | |||
| 2999 | not process them. */ | |||
| 3000 | if (unresolved_reloc | |||
| 3001 | && !((input_section->flags & SEC_DEBUGGING0x2000) != 0 | |||
| 3002 | && h->def_dynamic)) | |||
| 3003 | (*_bfd_error_handler) | |||
| 3004 | (_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'")("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'" ), | |||
| 3005 | input_bfd, | |||
| 3006 | input_section, | |||
| 3007 | (long) rel->r_offset, | |||
| 3008 | howto->name, | |||
| 3009 | h->root.root.string); | |||
| 3010 | ||||
| 3011 | r = _bfd_final_link_relocate (howto, input_bfd, input_section, | |||
| 3012 | contents, rel->r_offset, | |||
| 3013 | relocation, rel->r_addend); | |||
| 3014 | ||||
| 3015 | if (r != bfd_reloc_ok) | |||
| 3016 | { | |||
| 3017 | const char *name; | |||
| 3018 | ||||
| 3019 | if (h != NULL((void*)0)) | |||
| 3020 | name = h->root.root.string; | |||
| 3021 | else | |||
| 3022 | { | |||
| 3023 | name = bfd_elf_string_from_elf_section (input_bfd, | |||
| 3024 | symtab_hdr->sh_link, | |||
| 3025 | sym->st_name); | |||
| 3026 | if (name == NULL((void*)0)) | |||
| 3027 | return FALSE0; | |||
| 3028 | if (*name == '\0') | |||
| 3029 | name = bfd_section_name (input_bfd, sec)((sec)->name); | |||
| 3030 | } | |||
| 3031 | ||||
| 3032 | if (r == bfd_reloc_overflow) | |||
| 3033 | { | |||
| 3034 | if (h != NULL((void*)0) | |||
| 3035 | && h->root.type == bfd_link_hash_undefweak | |||
| 3036 | && howto->pc_relative) | |||
| 3037 | /* Ignore reloc overflow on branches to undefweak syms. */ | |||
| 3038 | continue; | |||
| 3039 | ||||
| 3040 | if (! ((*info->callbacks->reloc_overflow) | |||
| 3041 | (info, (h ? &h->root : NULL((void*)0)), name, howto->name, | |||
| 3042 | (bfd_vma) 0, input_bfd, input_section, | |||
| 3043 | rel->r_offset))) | |||
| 3044 | return FALSE0; | |||
| 3045 | } | |||
| 3046 | else | |||
| 3047 | { | |||
| 3048 | (*_bfd_error_handler) | |||
| 3049 | (_("%B(%A+0x%lx): reloc against `%s': error %d")("%B(%A+0x%lx): reloc against `%s': error %d"), | |||
| 3050 | input_bfd, input_section, | |||
| 3051 | (long) rel->r_offset, name, (int) r); | |||
| 3052 | return FALSE0; | |||
| 3053 | } | |||
| 3054 | } | |||
| 3055 | } | |||
| 3056 | ||||
| 3057 | return TRUE1; | |||
| 3058 | } | |||
| 3059 | ||||
| 3060 | /* Finish up dynamic symbol handling. We set the contents of various | |||
| 3061 | dynamic sections here. */ | |||
| 3062 | ||||
| 3063 | static bfd_boolean | |||
| 3064 | elf64_x86_64_finish_dynamic_symbol (bfd *output_bfd, | |||
| 3065 | struct bfd_link_info *info, | |||
| 3066 | struct elf_link_hash_entry *h, | |||
| 3067 | Elf_Internal_Sym *sym) | |||
| 3068 | { | |||
| 3069 | struct elf64_x86_64_link_hash_table *htab; | |||
| 3070 | ||||
| 3071 | htab = elf64_x86_64_hash_table (info)((struct elf64_x86_64_link_hash_table *) ((info)->hash)); | |||
| 3072 | ||||
| 3073 | if (h->plt.offset != (bfd_vma) -1) | |||
| 3074 | { | |||
| 3075 | bfd_vma plt_index; | |||
| 3076 | bfd_vma got_offset; | |||
| 3077 | Elf_Internal_Rela rela; | |||
| 3078 | bfd_byte *loc; | |||
| 3079 | ||||
| 3080 | /* This symbol has an entry in the procedure linkage table. Set | |||
| 3081 | it up. */ | |||
| 3082 | if (h->dynindx == -1 | |||
| 3083 | || htab->splt == NULL((void*)0) | |||
| 3084 | || htab->sgotplt == NULL((void*)0) | |||
| 3085 | || htab->srelplt == NULL((void*)0)) | |||
| 3086 | abort ()_bfd_abort ("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" , 3086, __PRETTY_FUNCTION__); | |||
| 3087 | ||||
| 3088 | /* Get the index in the procedure linkage table which | |||
| 3089 | corresponds to this symbol. This is the index of this symbol | |||
| 3090 | in all the symbols for which we are making plt entries. The | |||
| 3091 | first entry in the procedure linkage table is reserved. */ | |||
| 3092 | plt_index = h->plt.offset / PLT_ENTRY_SIZE16 - 1; | |||
| 3093 | ||||
| 3094 | /* Get the offset into the .got table of the entry that | |||
| 3095 | corresponds to this function. Each .got entry is GOT_ENTRY_SIZE | |||
| 3096 | bytes. The first three are reserved for the dynamic linker. */ | |||
| 3097 | got_offset = (plt_index + 3) * GOT_ENTRY_SIZE8; | |||
| 3098 | ||||
| 3099 | /* Fill in the entry in the procedure linkage table. */ | |||
| 3100 | memcpy (htab->splt->contents + h->plt.offset, elf64_x86_64_plt_entry, | |||
| 3101 | PLT_ENTRY_SIZE16); | |||
| 3102 | ||||
| 3103 | /* Insert the relocation positions of the plt section. The magic | |||
| 3104 | numbers at the end of the statements are the positions of the | |||
| 3105 | relocations in the plt section. */ | |||
| 3106 | /* Put offset for jmp *name@GOTPCREL(%rip), since the | |||
| 3107 | instruction uses 6 bytes, subtract this value. */ | |||
| 3108 | bfd_put_32 (output_bfd,((*((output_bfd)->xvec->bfd_putx32)) (((htab->sgotplt ->output_section->vma + htab->sgotplt->output_offset + got_offset - htab->splt->output_section->vma - htab ->splt->output_offset - h->plt.offset - 6)),(htab-> splt->contents + h->plt.offset + 2))) | |||
| 3109 | (htab->sgotplt->output_section->vma((*((output_bfd)->xvec->bfd_putx32)) (((htab->sgotplt ->output_section->vma + htab->sgotplt->output_offset + got_offset - htab->splt->output_section->vma - htab ->splt->output_offset - h->plt.offset - 6)),(htab-> splt->contents + h->plt.offset + 2))) | |||
| 3110 | + htab->sgotplt->output_offset((*((output_bfd)->xvec->bfd_putx32)) (((htab->sgotplt ->output_section->vma + htab->sgotplt->output_offset + got_offset - htab->splt->output_section->vma - htab ->splt->output_offset - h->plt.offset - 6)),(htab-> splt->contents + h->plt.offset + 2))) | |||
| 3111 | + got_offset((*((output_bfd)->xvec->bfd_putx32)) (((htab->sgotplt ->output_section->vma + htab->sgotplt->output_offset + got_offset - htab->splt->output_section->vma - htab ->splt->output_offset - h->plt.offset - 6)),(htab-> splt->contents + h->plt.offset + 2))) | |||
| 3112 | - htab->splt->output_section->vma((*((output_bfd)->xvec->bfd_putx32)) (((htab->sgotplt ->output_section->vma + htab->sgotplt->output_offset + got_offset - htab->splt->output_section->vma - htab ->splt->output_offset - h->plt.offset - 6)),(htab-> splt->contents + h->plt.offset + 2))) | |||
| 3113 | - htab->splt->output_offset((*((output_bfd)->xvec->bfd_putx32)) (((htab->sgotplt ->output_section->vma + htab->sgotplt->output_offset + got_offset - htab->splt->output_section->vma - htab ->splt->output_offset - h->plt.offset - 6)),(htab-> splt->contents + h->plt.offset + 2))) | |||
| 3114 | - h->plt.offset((*((output_bfd)->xvec->bfd_putx32)) (((htab->sgotplt ->output_section->vma + htab->sgotplt->output_offset + got_offset - htab->splt->output_section->vma - htab ->splt->output_offset - h->plt.offset - 6)),(htab-> splt->contents + h->plt.offset + 2))) | |||
| 3115 | - 6),((*((output_bfd)->xvec->bfd_putx32)) (((htab->sgotplt ->output_section->vma + htab->sgotplt->output_offset + got_offset - htab->splt->output_section->vma - htab ->splt->output_offset - h->plt.offset - 6)),(htab-> splt->contents + h->plt.offset + 2))) | |||
| 3116 | htab->splt->contents + h->plt.offset + 2)((*((output_bfd)->xvec->bfd_putx32)) (((htab->sgotplt ->output_section->vma + htab->sgotplt->output_offset + got_offset - htab->splt->output_section->vma - htab ->splt->output_offset - h->plt.offset - 6)),(htab-> splt->contents + h->plt.offset + 2))); | |||
| 3117 | /* Put relocation index. */ | |||
| 3118 | bfd_put_32 (output_bfd, plt_index,((*((output_bfd)->xvec->bfd_putx32)) ((plt_index),(htab ->splt->contents + h->plt.offset + 7))) | |||
| 3119 | htab->splt->contents + h->plt.offset + 7)((*((output_bfd)->xvec->bfd_putx32)) ((plt_index),(htab ->splt->contents + h->plt.offset + 7))); | |||
| 3120 | /* Put offset for jmp .PLT0. */ | |||
| 3121 | bfd_put_32 (output_bfd, - (h->plt.offset + PLT_ENTRY_SIZE),((*((output_bfd)->xvec->bfd_putx32)) ((- (h->plt.offset + 16)),(htab->splt->contents + h->plt.offset + 12)) ) | |||
| 3122 | htab->splt->contents + h->plt.offset + 12)((*((output_bfd)->xvec->bfd_putx32)) ((- (h->plt.offset + 16)),(htab->splt->contents + h->plt.offset + 12)) ); | |||
| 3123 | ||||
| 3124 | /* Fill in the entry in the global offset table, initially this | |||
| 3125 | points to the pushq instruction in the PLT which is at offset 6. */ | |||
| 3126 | bfd_put_64 (output_bfd, (htab->splt->output_section->vma((*((output_bfd)->xvec->bfd_putx64)) (((htab->splt-> output_section->vma + htab->splt->output_offset + h-> plt.offset + 6)), (htab->sgotplt->contents + got_offset ))) | |||
| 3127 | + htab->splt->output_offset((*((output_bfd)->xvec->bfd_putx64)) (((htab->splt-> output_section->vma + htab->splt->output_offset + h-> plt.offset + 6)), (htab->sgotplt->contents + got_offset ))) | |||
| 3128 | + h->plt.offset + 6),((*((output_bfd)->xvec->bfd_putx64)) (((htab->splt-> output_section->vma + htab->splt->output_offset + h-> plt.offset + 6)), (htab->sgotplt->contents + got_offset ))) | |||
| 3129 | htab->sgotplt->contents + got_offset)((*((output_bfd)->xvec->bfd_putx64)) (((htab->splt-> output_section->vma + htab->splt->output_offset + h-> plt.offset + 6)), (htab->sgotplt->contents + got_offset ))); | |||
| 3130 | ||||
| 3131 | /* Fill in the entry in the .rela.plt section. */ | |||
| 3132 | rela.r_offset = (htab->sgotplt->output_section->vma | |||
| 3133 | + htab->sgotplt->output_offset | |||
| 3134 | + got_offset); | |||
| 3135 | rela.r_info = ELF64_R_INFO (h->dynindx, R_X86_64_JUMP_SLOT)(((bfd_vma) (h->dynindx) << 31 << 1) + (bfd_vma ) (R_X86_64_JUMP_SLOT)); | |||
| 3136 | rela.r_addend = 0; | |||
| 3137 | loc = htab->srelplt->contents + plt_index * sizeof (Elf64_External_Rela); | |||
| 3138 | bfd_elf64_swap_reloca_out (output_bfd, &rela, loc); | |||
| 3139 | ||||
| 3140 | if (!h->def_regular) | |||
| 3141 | { | |||
| 3142 | /* Mark the symbol as undefined, rather than as defined in | |||
| 3143 | the .plt section. Leave the value if there were any | |||
| 3144 | relocations where pointer equality matters (this is a clue | |||
| 3145 | for the dynamic linker, to make function pointer | |||
| 3146 | comparisons work between an application and shared | |||
| 3147 | library), otherwise set it to zero. If a function is only | |||
| 3148 | called from a binary, there is no need to slow down | |||
| 3149 | shared libraries because of that. */ | |||
| 3150 | sym->st_shndx = SHN_UNDEF0; | |||
| 3151 | if (!h->pointer_equality_needed) | |||
| 3152 | sym->st_value = 0; | |||
| 3153 | } | |||
| 3154 | } | |||
| 3155 | ||||
| 3156 | if (h->got.offset != (bfd_vma) -1 | |||
| 3157 | && ! GOT_TLS_GD_ANY_P (elf64_x86_64_hash_entry (h)->tls_type)(((((struct elf64_x86_64_link_hash_entry *)(h))->tls_type) == 2 || ((((struct elf64_x86_64_link_hash_entry *)(h))->tls_type ) == (2 | 4))) || ((((struct elf64_x86_64_link_hash_entry *)( h))->tls_type) == 4 || ((((struct elf64_x86_64_link_hash_entry *)(h))->tls_type) == (2 | 4)))) | |||
| 3158 | && elf64_x86_64_hash_entry (h)((struct elf64_x86_64_link_hash_entry *)(h))->tls_type != GOT_TLS_IE3) | |||
| 3159 | { | |||
| 3160 | Elf_Internal_Rela rela; | |||
| 3161 | bfd_byte *loc; | |||
| 3162 | ||||
| 3163 | /* This symbol has an entry in the global offset table. Set it | |||
| 3164 | up. */ | |||
| 3165 | if (htab->sgot == NULL((void*)0) || htab->srelgot == NULL((void*)0)) | |||
| 3166 | abort ()_bfd_abort ("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" , 3166, __PRETTY_FUNCTION__); | |||
| 3167 | ||||
| 3168 | rela.r_offset = (htab->sgot->output_section->vma | |||
| 3169 | + htab->sgot->output_offset | |||
| 3170 | + (h->got.offset &~ (bfd_vma) 1)); | |||
| 3171 | ||||
| 3172 | /* If this is a static link, or it is a -Bsymbolic link and the | |||
| 3173 | symbol is defined locally or was forced to be local because | |||
| 3174 | of a version file, we just want to emit a RELATIVE reloc. | |||
| 3175 | The entry in the global offset table will already have been | |||
| 3176 | initialized in the relocate_section function. */ | |||
| 3177 | if (info->shared | |||
| 3178 | && SYMBOL_REFERENCES_LOCAL (info, h)_bfd_elf_symbol_refs_local_p (h, info, 0)) | |||
| 3179 | { | |||
| 3180 | BFD_ASSERT((h->got.offset & 1) != 0)do { if (!((h->got.offset & 1) != 0)) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,3180); } while (0); | |||
| 3181 | rela.r_info = ELF64_R_INFO (0, R_X86_64_RELATIVE)(((bfd_vma) (0) << 31 << 1) + (bfd_vma) (R_X86_64_RELATIVE )); | |||
| 3182 | rela.r_addend = (h->root.u.def.value | |||
| 3183 | + h->root.u.def.section->output_section->vma | |||
| 3184 | + h->root.u.def.section->output_offset); | |||
| 3185 | } | |||
| 3186 | else | |||
| 3187 | { | |||
| 3188 | BFD_ASSERT((h->got.offset & 1) == 0)do { if (!((h->got.offset & 1) == 0)) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" ,3188); } while (0); | |||
| 3189 | bfd_put_64 (output_bfd, (bfd_vma) 0,((*((output_bfd)->xvec->bfd_putx64)) (((bfd_vma) 0), (htab ->sgot->contents + h->got.offset))) | |||
| 3190 | htab->sgot->contents + h->got.offset)((*((output_bfd)->xvec->bfd_putx64)) (((bfd_vma) 0), (htab ->sgot->contents + h->got.offset))); | |||
| 3191 | rela.r_info = ELF64_R_INFO (h->dynindx, R_X86_64_GLOB_DAT)(((bfd_vma) (h->dynindx) << 31 << 1) + (bfd_vma ) (R_X86_64_GLOB_DAT)); | |||
| 3192 | rela.r_addend = 0; | |||
| 3193 | } | |||
| 3194 | ||||
| 3195 | loc = htab->srelgot->contents; | |||
| 3196 | loc += htab->srelgot->reloc_count++ * sizeof (Elf64_External_Rela); | |||
| 3197 | bfd_elf64_swap_reloca_out (output_bfd, &rela, loc); | |||
| 3198 | } | |||
| 3199 | ||||
| 3200 | if (h->needs_copy) | |||
| 3201 | { | |||
| 3202 | Elf_Internal_Rela rela; | |||
| 3203 | bfd_byte *loc; | |||
| 3204 | ||||
| 3205 | /* This symbol needs a copy reloc. Set it up. */ | |||
| 3206 | ||||
| 3207 | if (h->dynindx == -1 | |||
| 3208 | || (h->root.type != bfd_link_hash_defined | |||
| 3209 | && h->root.type != bfd_link_hash_defweak) | |||
| 3210 | || htab->srelbss == NULL((void*)0)) | |||
| 3211 | abort ()_bfd_abort ("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" , 3211, __PRETTY_FUNCTION__); | |||
| 3212 | ||||
| 3213 | rela.r_offset = (h->root.u.def.value | |||
| 3214 | + h->root.u.def.section->output_section->vma | |||
| 3215 | + h->root.u.def.section->output_offset); | |||
| 3216 | rela.r_info = ELF64_R_INFO (h->dynindx, R_X86_64_COPY)(((bfd_vma) (h->dynindx) << 31 << 1) + (bfd_vma ) (R_X86_64_COPY)); | |||
| 3217 | rela.r_addend = 0; | |||
| 3218 | loc = htab->srelbss->contents; | |||
| 3219 | loc += htab->srelbss->reloc_count++ * sizeof (Elf64_External_Rela); | |||
| 3220 | bfd_elf64_swap_reloca_out (output_bfd, &rela, loc); | |||
| 3221 | } | |||
| 3222 | ||||
| 3223 | /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */ | |||
| 3224 | if (strcmp (h->root.root.string, "_DYNAMIC") == 0 | |||
| 3225 | || h == htab->elf.hgot) | |||
| 3226 | sym->st_shndx = SHN_ABS0xFFF1; | |||
| 3227 | ||||
| 3228 | return TRUE1; | |||
| 3229 | } | |||
| 3230 | ||||
| 3231 | /* Used to decide how to sort relocs in an optimal manner for the | |||
| 3232 | dynamic linker, before writing them out. */ | |||
| 3233 | ||||
| 3234 | static enum elf_reloc_type_class | |||
| 3235 | elf64_x86_64_reloc_type_class (const Elf_Internal_Rela *rela) | |||
| 3236 | { | |||
| 3237 | switch ((int) ELF64_R_TYPE (rela->r_info)((rela->r_info) & 0xffffffff)) | |||
| 3238 | { | |||
| 3239 | case R_X86_64_RELATIVE: | |||
| 3240 | return reloc_class_relative; | |||
| 3241 | case R_X86_64_JUMP_SLOT: | |||
| 3242 | return reloc_class_plt; | |||
| 3243 | case R_X86_64_COPY: | |||
| 3244 | return reloc_class_copy; | |||
| 3245 | default: | |||
| 3246 | return reloc_class_normal; | |||
| 3247 | } | |||
| 3248 | } | |||
| 3249 | ||||
| 3250 | /* Finish up the dynamic sections. */ | |||
| 3251 | ||||
| 3252 | static bfd_boolean | |||
| 3253 | elf64_x86_64_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info) | |||
| 3254 | { | |||
| 3255 | struct elf64_x86_64_link_hash_table *htab; | |||
| 3256 | bfd *dynobj; | |||
| 3257 | asection *sdyn; | |||
| 3258 | ||||
| 3259 | htab = elf64_x86_64_hash_table (info)((struct elf64_x86_64_link_hash_table *) ((info)->hash)); | |||
| 3260 | dynobj = htab->elf.dynobj; | |||
| 3261 | sdyn = bfd_get_section_by_name (dynobj, ".dynamic"); | |||
| 3262 | ||||
| 3263 | if (htab->elf.dynamic_sections_created) | |||
| 3264 | { | |||
| 3265 | Elf64_External_Dyn *dyncon, *dynconend; | |||
| 3266 | ||||
| 3267 | if (sdyn == NULL((void*)0) || htab->sgot == NULL((void*)0)) | |||
| 3268 | abort ()_bfd_abort ("/usr/src/gnu/usr.bin/binutils-2.17/bfd/elf64-x86-64.c" , 3268, __PRETTY_FUNCTION__); | |||
| 3269 | ||||
| 3270 | dyncon = (Elf64_External_Dyn *) sdyn->contents; | |||
| 3271 | dynconend = (Elf64_External_Dyn *) (sdyn->contents + sdyn->size); | |||
| 3272 | for (; dyncon < dynconend; dyncon++) | |||
| 3273 | { | |||
| 3274 | Elf_Internal_Dyn dyn; | |||
| 3275 | asection *s; | |||
| 3276 | ||||
| 3277 | bfd_elf64_swap_dyn_in (dynobj, dyncon, &dyn); | |||
| 3278 | ||||
| 3279 | switch (dyn.d_tag) | |||
| 3280 | { | |||
| 3281 | default: | |||
| 3282 | continue; | |||
| 3283 | ||||
| 3284 | case DT_PLTGOT3: | |||
| 3285 | s = htab->sgotplt; | |||
| 3286 | dyn.d_un.d_ptr = s->output_section->vma + s->output_offset; | |||
| 3287 | break; | |||
| 3288 | ||||
| 3289 | case DT_JMPREL23: | |||
| 3290 | dyn.d_un.d_ptr = htab->srelplt->output_section->vma; | |||
| 3291 | break; | |||
| 3292 | ||||
| 3293 | case DT_PLTRELSZ2: | |||
| 3294 | s = htab->srelplt->output_section; | |||
| 3295 | dyn.d_un.d_val = s->size; | |||
| 3296 | break; | |||
| 3297 | ||||
| 3298 | case DT_RELASZ8: | |||
| 3299 | /* The procedure linkage table relocs (DT_JMPREL) should | |||
| 3300 | not be included in the overall relocs (DT_RELA). | |||
| 3301 | Therefore, we override the DT_RELASZ entry here to | |||
| 3302 | make it not include the JMPREL relocs. Since the | |||
| 3303 | linker script arranges for .rela.plt to follow all | |||
| 3304 | other relocation sections, we don't have to worry | |||
| 3305 | about changing the DT_RELA entry. */ | |||
| 3306 | if (htab->srelplt != NULL((void*)0)) | |||
| 3307 | { | |||
| 3308 | s = htab->srelplt->output_section; | |||
| 3309 | dyn.d_un.d_val -= s->size; | |||
| 3310 | } | |||
| 3311 | break; | |||
| 3312 | ||||
| 3313 | case DT_TLSDESC_PLT0x6ffffef6: | |||
| 3314 | s = htab->splt; | |||
| 3315 | dyn.d_un.d_ptr = s->output_section->vma + s->output_offset | |||
| 3316 | + htab->tlsdesc_plt; | |||
| 3317 | break; | |||
| 3318 | ||||
| 3319 | case DT_TLSDESC_GOT0x6ffffef7: | |||
| 3320 | s = htab->sgot; | |||
| 3321 | dyn.d_un.d_ptr = s->output_section->vma + s->output_offset | |||
| 3322 | + htab->tlsdesc_got; | |||
| 3323 | break; | |||
| 3324 | } | |||
| 3325 | ||||
| 3326 | bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon); | |||
| 3327 | } | |||
| 3328 | ||||
| 3329 | /* Fill in the special first entry in the procedure linkage table. */ | |||
| 3330 | if (htab->splt && htab->splt->size > 0) | |||
| 3331 | { | |||
| 3332 | /* Fill in the first entry in the procedure linkage table. */ | |||
| 3333 | memcpy (htab->splt->contents, elf64_x86_64_plt0_entry, | |||
| 3334 | PLT_ENTRY_SIZE16); | |||
| 3335 | /* Add offset for pushq GOT+8(%rip), since the instruction | |||
| 3336 | uses 6 bytes subtract this value. */ | |||
| 3337 | bfd_put_32 (output_bfd,((*((output_bfd)->xvec->bfd_putx32)) (((htab->sgotplt ->output_section->vma + htab->sgotplt->output_offset + 8 - htab->splt->output_section->vma - htab->splt ->output_offset - 6)),(htab->splt->contents + 2))) | |||
| 3338 | (htab->sgotplt->output_section->vma((*((output_bfd)->xvec->bfd_putx32)) (((htab->sgotplt ->output_section->vma + htab->sgotplt->output_offset + 8 - htab->splt->output_section->vma - htab->splt ->output_offset - 6)),(htab->splt->contents + 2))) | |||
| 3339 | + htab->sgotplt->output_offset((*((output_bfd)->xvec->bfd_putx32)) (((htab->sgotplt ->output_section->vma + htab->sgotplt->output_offset + 8 - htab->splt->output_section->vma - htab->splt ->output_offset - 6)),(htab->splt->contents + 2))) | |||
| 3340 | + 8((*((output_bfd)->xvec->bfd_putx32)) (((htab->sgotplt ->output_section->vma + htab->sgotplt->output_offset + 8 - htab->splt->output_section->vma - htab->splt ->output_offset - 6)),(htab->splt->contents + 2))) | |||
| 3341 | - htab->splt->output_section->vma((*((output_bfd)->xvec->bfd_putx32)) (((htab->sgotplt ->output_section->vma + htab->sgotplt->output_offset + 8 - htab->splt->output_section->vma - htab->splt ->output_offset - 6)),(htab->splt->contents + 2))) | |||
| 3342 | - htab->splt->output_offset((*((output_bfd)->xvec->bfd_putx32)) (((htab->sgotplt ->output_section->vma + htab->sgotplt->output_offset + 8 - htab->splt->output_section->vma - htab->splt ->output_offset - 6)),(htab->splt->contents + 2))) | |||
| 3343 | - 6),((*((output_bfd)->xvec->bfd_putx32)) (((htab->sgotplt ->output_section->vma + htab->sgotplt->output_offset + 8 - htab->splt->output_section->vma - htab->splt ->output_offset - 6)),(htab->splt->contents + 2))) | |||
| 3344 | htab->splt->contents + 2)((*((output_bfd)->xvec->bfd_putx32)) (((htab->sgotplt ->output_section->vma + htab->sgotplt->output_offset + 8 - htab->splt->output_section->vma - htab->splt ->output_offset - 6)),(htab->splt->contents + 2))); | |||
| 3345 | /* Add offset for jmp *GOT+16(%rip). The 12 is the offset to | |||
| 3346 | the end of the instruction. */ | |||
| 3347 | bfd_put_32 (output_bfd,((*((output_bfd)->xvec->bfd_putx32)) (((htab->sgotplt ->output_section->vma + htab->sgotplt->output_offset + 16 - htab->splt->output_section->vma - htab->splt ->output_offset - 12)),(htab->splt->contents + 8))) | |||
| 3348 | (htab->sgotplt->output_section->vma((*((output_bfd)->xvec->bfd_putx32)) (((htab->sgotplt ->output_section->vma + htab->sgotplt->output_offset + 16 - htab->splt->output_section->vma - htab->splt ->output_offset - 12)),(htab->splt->contents + 8))) | |||
| 3349 | + htab->sgotplt->output_offset((*((output_bfd)->xvec->bfd_putx32)) (((htab->sgotplt ->output_section->vma + htab->sgotplt->output_offset + 16 - htab->splt->output_section->vma - htab->splt ->output_offset - 12)),(htab->splt->contents + 8))) | |||
| 3350 | + 16((*((output_bfd)->xvec->bfd_putx32)) (((htab->sgotplt ->output_section->vma + htab->sgotplt->output_offset + 16 - htab->splt->output_section->vma - htab->splt ->output_offset - 12)),(htab->splt->contents + 8))) | |||
| 3351 | - htab->splt->output_section->vma((*((output_bfd)->xvec->bfd_putx32)) (((htab->sgotplt ->output_section->vma + htab->sgotplt->output_offset + 16 - htab->splt->output_section->vma - htab->splt ->output_offset - 12)),(htab->splt->contents + 8))) | |||
| 3352 | - htab->splt->output_offset((*((output_bfd)->xvec->bfd_putx32)) (((htab->sgotplt ->output_section->vma + htab->sgotplt->output_offset + 16 - htab->splt->output_section->vma - htab->splt ->output_offset - 12)),(htab->splt->contents + 8))) | |||
| 3353 | - 12),((*((output_bfd)->xvec->bfd_putx32)) (((htab->sgotplt ->output_section->vma + htab->sgotplt->output_offset + 16 - htab->splt->output_section->vma - htab->splt ->output_offset - 12)),(htab->splt->contents + 8))) | |||
| 3354 | htab->splt->contents + 8)((*((output_bfd)->xvec->bfd_putx32)) (((htab->sgotplt ->output_section->vma + htab->sgotplt->output_offset + 16 - htab->splt->output_section->vma - htab->splt ->output_offset - 12)),(htab->splt->contents + 8))); | |||
| 3355 | ||||
| 3356 | elf_section_data (htab->splt->output_section)((struct bfd_elf_section_data*)(htab->splt->output_section )->used_by_bfd)->this_hdr.sh_entsize = | |||
| 3357 | PLT_ENTRY_SIZE16; | |||
| 3358 | ||||
| 3359 | if (htab->tlsdesc_plt) | |||
| 3360 | { | |||
| 3361 | bfd_put_64 (output_bfd, (bfd_vma) 0,((*((output_bfd)->xvec->bfd_putx64)) (((bfd_vma) 0), (htab ->sgot->contents + htab->tlsdesc_got))) | |||
| 3362 | htab->sgot->contents + htab->tlsdesc_got)((*((output_bfd)->xvec->bfd_putx64)) (((bfd_vma) 0), (htab ->sgot->contents + htab->tlsdesc_got))); | |||
| 3363 | ||||
| 3364 | memcpy (htab->splt->contents + htab->tlsdesc_plt, | |||
| 3365 | elf64_x86_64_plt0_entry, | |||
| 3366 | PLT_ENTRY_SIZE16); | |||
| 3367 | ||||
| 3368 | /* Add offset for pushq GOT+8(%rip), since the | |||
| 3369 | instruction uses 6 bytes subtract this value. */ | |||
| 3370 | bfd_put_32 (output_bfd,((*((output_bfd)->xvec->bfd_putx32)) (((htab->sgotplt ->output_section->vma + htab->sgotplt->output_offset + 8 - htab->splt->output_section->vma - htab->splt ->output_offset - htab->tlsdesc_plt - 6)),(htab->splt ->contents + htab->tlsdesc_plt + 2))) | |||
| 3371 | (htab->sgotplt->output_section->vma((*((output_bfd)->xvec->bfd_putx32)) (((htab->sgotplt ->output_section->vma + htab->sgotplt->output_offset + 8 - htab->splt->output_section->vma - htab->splt ->output_offset - htab->tlsdesc_plt - 6)),(htab->splt ->contents + htab->tlsdesc_plt + 2))) | |||
| 3372 | + htab->sgotplt->output_offset((*((output_bfd)->xvec->bfd_putx32)) (((htab->sgotplt ->output_section->vma + htab->sgotplt->output_offset + 8 - htab->splt->output_section->vma - htab->splt ->output_offset - htab->tlsdesc_plt - 6)),(htab->splt ->contents + htab->tlsdesc_plt + 2))) | |||
| 3373 | + 8((*((output_bfd)->xvec->bfd_putx32)) (((htab->sgotplt ->output_section->vma + htab->sgotplt->output_offset + 8 - htab->splt->output_section->vma - htab->splt ->output_offset - htab->tlsdesc_plt - 6)),(htab->splt ->contents + htab->tlsdesc_plt + 2))) | |||
| 3374 | - htab->splt->output_section->vma((*((output_bfd)->xvec->bfd_putx32)) (((htab->sgotplt ->output_section->vma + htab->sgotplt->output_offset + 8 - htab->splt->output_section->vma - htab->splt ->output_offset - htab->tlsdesc_plt - 6)),(htab->splt ->contents + htab->tlsdesc_plt + 2))) | |||
| 3375 | - htab->splt->output_offset((*((output_bfd)->xvec->bfd_putx32)) (((htab->sgotplt ->output_section->vma + htab->sgotplt->output_offset + 8 - htab->splt->output_section->vma - htab->splt ->output_offset - htab->tlsdesc_plt - 6)),(htab->splt ->contents + htab->tlsdesc_plt + 2))) | |||
| 3376 | - htab->tlsdesc_plt((*((output_bfd)->xvec->bfd_putx32)) (((htab->sgotplt ->output_section->vma + htab->sgotplt->output_offset + 8 - htab->splt->output_section->vma - htab->splt ->output_offset - htab->tlsdesc_plt - 6)),(htab->splt ->contents + htab->tlsdesc_plt + 2))) | |||
| 3377 | - 6),((*((output_bfd)->xvec->bfd_putx32)) (((htab->sgotplt ->output_section->vma + htab->sgotplt->output_offset + 8 - htab->splt->output_section->vma - htab->splt ->output_offset - htab->tlsdesc_plt - 6)),(htab->splt ->contents + htab->tlsdesc_plt + 2))) | |||
| 3378 | htab->splt->contents + htab->tlsdesc_plt + 2)((*((output_bfd)->xvec->bfd_putx32)) (((htab->sgotplt ->output_section->vma + htab->sgotplt->output_offset + 8 - htab->splt->output_section->vma - htab->splt ->output_offset - htab->tlsdesc_plt - 6)),(htab->splt ->contents + htab->tlsdesc_plt + 2))); | |||
| 3379 | /* Add offset for jmp *GOT+TDG(%rip), where TGD stands for | |||
| 3380 | htab->tlsdesc_got. The 12 is the offset to the end of | |||
| 3381 | the instruction. */ | |||
| 3382 | bfd_put_32 (output_bfd,((*((output_bfd)->xvec->bfd_putx32)) (((htab->sgot-> output_section->vma + htab->sgot->output_offset + htab ->tlsdesc_got - htab->splt->output_section->vma - htab->splt->output_offset - htab->tlsdesc_plt - 12) ),(htab->splt->contents + htab->tlsdesc_plt + 8))) | |||
| 3383 | (htab->sgot->output_section->vma((*((output_bfd)->xvec->bfd_putx32)) (((htab->sgot-> output_section->vma + htab->sgot->output_offset + htab ->tlsdesc_got - htab->splt->output_section->vma - htab->splt->output_offset - htab->tlsdesc_plt - 12) ),(htab->splt->contents + htab->tlsdesc_plt + 8))) | |||
| 3384 | + htab->sgot->output_offset((*((output_bfd)->xvec->bfd_putx32)) (((htab->sgot-> output_section->vma + htab->sgot->output_offset + htab ->tlsdesc_got - htab->splt->output_section->vma - htab->splt->output_offset - htab->tlsdesc_plt - 12) ),(htab->splt->contents + htab->tlsdesc_plt + 8))) | |||
| 3385 | + htab->tlsdesc_got((*((output_bfd)->xvec->bfd_putx32)) (((htab->sgot-> output_section->vma + htab->sgot->output_offset + htab ->tlsdesc_got - htab->splt->output_section->vma - htab->splt->output_offset - htab->tlsdesc_plt - 12) ),(htab->splt->contents + htab->tlsdesc_plt + 8))) | |||
| 3386 | - htab->splt->output_section->vma((*((output_bfd)->xvec->bfd_putx32)) (((htab->sgot-> output_section->vma + htab->sgot->output_offset + htab ->tlsdesc_got - htab->splt->output_section->vma - htab->splt->output_offset - htab->tlsdesc_plt - 12) ),(htab->splt->contents + htab->tlsdesc_plt + 8))) | |||
| 3387 | - htab->splt->output_offset((*((output_bfd)->xvec->bfd_putx32)) (((htab->sgot-> output_section->vma + htab->sgot->output_offset + htab ->tlsdesc_got - htab->splt->output_section->vma - htab->splt->output_offset - htab->tlsdesc_plt - 12) ),(htab->splt->contents + htab->tlsdesc_plt + 8))) | |||
| 3388 | - htab->tlsdesc_plt((*((output_bfd)->xvec->bfd_putx32)) (((htab->sgot-> output_section->vma + htab->sgot->output_offset + htab ->tlsdesc_got - htab->splt->output_section->vma - htab->splt->output_offset - htab->tlsdesc_plt - 12) ),(htab->splt->contents + htab->tlsdesc_plt + 8))) | |||
| 3389 | - 12),((*((output_bfd)->xvec->bfd_putx32)) (((htab->sgot-> output_section->vma + htab->sgot->output_offset + htab ->tlsdesc_got - htab->splt->output_section->vma - htab->splt->output_offset - htab->tlsdesc_plt - 12) ),(htab->splt->contents + htab->tlsdesc_plt + 8))) | |||
| 3390 | htab->splt->contents + htab->tlsdesc_plt + 8)((*((output_bfd)->xvec->bfd_putx32)) (((htab->sgot-> output_section->vma + htab->sgot->output_offset + htab ->tlsdesc_got - htab->splt->output_section->vma - htab->splt->output_offset - htab->tlsdesc_plt - 12) ),(htab->splt->contents + htab->tlsdesc_plt + 8))); | |||
| 3391 | } | |||
| 3392 | } | |||
| 3393 | } | |||
| 3394 | ||||
| 3395 | if (htab->sgotplt) | |||
| 3396 | { | |||
| 3397 | /* Fill in the first three entries in the global offset table. */ | |||
| 3398 | if (htab->sgotplt->size > 0) | |||
| 3399 | { | |||
| 3400 | /* Set the first entry in the global offset table to the address of | |||
| 3401 | the dynamic section. */ | |||
| 3402 | if (sdyn == NULL((void*)0)) | |||
| 3403 | bfd_put_64 (output_bfd, (bfd_vma) 0, htab->sgotplt->contents)((*((output_bfd)->xvec->bfd_putx64)) (((bfd_vma) 0), (htab ->sgotplt->contents))); | |||
| 3404 | else | |||
| 3405 | bfd_put_64 (output_bfd,((*((output_bfd)->xvec->bfd_putx64)) ((sdyn->output_section ->vma + sdyn->output_offset), (htab->sgotplt->contents ))) | |||
| 3406 | sdyn->output_section->vma + sdyn->output_offset,((*((output_bfd)->xvec->bfd_putx64)) ((sdyn->output_section ->vma + sdyn->output_offset), (htab->sgotplt->contents ))) | |||
| 3407 | htab->sgotplt->contents)((*((output_bfd)->xvec->bfd_putx64)) ((sdyn->output_section ->vma + sdyn->output_offset), (htab->sgotplt->contents ))); | |||
| 3408 | /* Write GOT[1] and GOT[2], needed for the dynamic linker. */ | |||
| 3409 | bfd_put_64 (output_bfd, (bfd_vma) 0, htab->sgotplt->contents + GOT_ENTRY_SIZE)((*((output_bfd)->xvec->bfd_putx64)) (((bfd_vma) 0), (htab ->sgotplt->contents + 8))); | |||
| 3410 | bfd_put_64 (output_bfd, (bfd_vma) 0, htab->sgotplt->contents + GOT_ENTRY_SIZE*2)((*((output_bfd)->xvec->bfd_putx64)) (((bfd_vma) 0), (htab ->sgotplt->contents + 8*2))); | |||
| 3411 | } | |||
| 3412 | ||||
| 3413 | elf_section_data (htab->sgotplt->output_section)((struct bfd_elf_section_data*)(htab->sgotplt->output_section )->used_by_bfd)->this_hdr.sh_entsize = | |||
| 3414 | GOT_ENTRY_SIZE8; | |||
| 3415 | } | |||
| 3416 | ||||
| 3417 | if (htab->sgot && htab->sgot->size > 0) | |||
| 3418 | elf_section_data (htab->sgot->output_section)((struct bfd_elf_section_data*)(htab->sgot->output_section )->used_by_bfd)->this_hdr.sh_entsize | |||
| 3419 | = GOT_ENTRY_SIZE8; | |||
| 3420 | ||||
| 3421 | return TRUE1; | |||
| 3422 | } | |||
| 3423 | ||||
| 3424 | /* Return address for Ith PLT stub in section PLT, for relocation REL | |||
| 3425 | or (bfd_vma) -1 if it should not be included. */ | |||
| 3426 | ||||
| 3427 | static bfd_vma | |||
| 3428 | elf64_x86_64_plt_sym_val (bfd_vma i, const asection *plt, | |||
| 3429 | const arelent *rel ATTRIBUTE_UNUSED__attribute__ ((__unused__))) | |||
| 3430 | { | |||
| 3431 | return plt->vma + (i + 1) * PLT_ENTRY_SIZE16; | |||
| 3432 | } | |||
| 3433 | ||||
| 3434 | /* Handle an x86-64 specific section when reading an object file. This | |||
| 3435 | is called when elfcode.h finds a section with an unknown type. */ | |||
| 3436 | ||||
| 3437 | static bfd_boolean | |||
| 3438 | elf64_x86_64_section_from_shdr (bfd *abfd, | |||
| 3439 | Elf_Internal_Shdr *hdr, | |||
| 3440 | const char *name, | |||
| 3441 | int shindex) | |||
| 3442 | { | |||
| 3443 | if (hdr->sh_type != SHT_X86_64_UNWIND0x70000001) | |||
| 3444 | return FALSE0; | |||
| 3445 | ||||
| 3446 | if (! _bfd_elf_make_section_from_shdr (abfd, hdr, name, shindex)) | |||
| 3447 | return FALSE0; | |||
| 3448 | ||||
| 3449 | return TRUE1; | |||
| 3450 | } | |||
| 3451 | ||||
| 3452 | /* Hook called by the linker routine which adds symbols from an object | |||
| 3453 | file. We use it to put SHN_X86_64_LCOMMON items in .lbss, instead | |||
| 3454 | of .bss. */ | |||
| 3455 | ||||
| 3456 | static bfd_boolean | |||
| 3457 | elf64_x86_64_add_symbol_hook (bfd *abfd, | |||
| 3458 | struct bfd_link_info *info ATTRIBUTE_UNUSED__attribute__ ((__unused__)), | |||
| 3459 | Elf_Internal_Sym *sym, | |||
| 3460 | const char **namep ATTRIBUTE_UNUSED__attribute__ ((__unused__)), | |||
| 3461 | flagword *flagsp ATTRIBUTE_UNUSED__attribute__ ((__unused__)), | |||
| 3462 | asection **secp, bfd_vma *valp) | |||
| 3463 | { | |||
| 3464 | asection *lcomm; | |||
| 3465 | ||||
| 3466 | switch (sym->st_shndx) | |||
| 3467 | { | |||
| 3468 | case SHN_X86_64_LCOMMON0xff02: | |||
| 3469 | lcomm = bfd_get_section_by_name (abfd, "LARGE_COMMON"); | |||
| 3470 | if (lcomm == NULL((void*)0)) | |||
| 3471 | { | |||
| 3472 | lcomm = bfd_make_section_with_flags (abfd, | |||
| 3473 | "LARGE_COMMON", | |||
| 3474 | (SEC_ALLOC0x001 | |||
| 3475 | | SEC_IS_COMMON0x1000 | |||
| 3476 | | SEC_LINKER_CREATED0x200000)); | |||
| 3477 | if (lcomm == NULL((void*)0)) | |||
| 3478 | return FALSE0; | |||
| 3479 | elf_section_flags (lcomm)(((struct bfd_elf_section_data*)(lcomm)->used_by_bfd)-> this_hdr.sh_flags) |= SHF_X86_64_LARGE0x10000000; | |||
| 3480 | } | |||
| 3481 | *secp = lcomm; | |||
| 3482 | *valp = sym->st_size; | |||
| 3483 | break; | |||
| 3484 | } | |||
| 3485 | return TRUE1; | |||
| 3486 | } | |||
| 3487 | ||||
| 3488 | ||||
| 3489 | /* Given a BFD section, try to locate the corresponding ELF section | |||
| 3490 | index. */ | |||
| 3491 | ||||
| 3492 | static bfd_boolean | |||
| 3493 | elf64_x86_64_elf_section_from_bfd_section (bfd *abfd ATTRIBUTE_UNUSED__attribute__ ((__unused__)), | |||
| 3494 | asection *sec, int *index) | |||
| 3495 | { | |||
| 3496 | if (sec == &_bfd_elf_large_com_section) | |||
| 3497 | { | |||
| 3498 | *index = SHN_X86_64_LCOMMON0xff02; | |||
| 3499 | return TRUE1; | |||
| 3500 | } | |||
| 3501 | return FALSE0; | |||
| 3502 | } | |||
| 3503 | ||||
| 3504 | /* Process a symbol. */ | |||
| 3505 | ||||
| 3506 | static void | |||
| 3507 | elf64_x86_64_symbol_processing (bfd *abfd ATTRIBUTE_UNUSED__attribute__ ((__unused__)), | |||
| 3508 | asymbol *asym) | |||
| 3509 | { | |||
| 3510 | elf_symbol_type *elfsym = (elf_symbol_type *) asym; | |||
| 3511 | ||||
| 3512 | switch (elfsym->internal_elf_sym.st_shndx) | |||
| 3513 | { | |||
| 3514 | case SHN_X86_64_LCOMMON0xff02: | |||
| 3515 | asym->section = &_bfd_elf_large_com_section; | |||
| 3516 | asym->value = elfsym->internal_elf_sym.st_size; | |||
| 3517 | /* Common symbol doesn't set BSF_GLOBAL. */ | |||
| 3518 | asym->flags &= ~BSF_GLOBAL0x02; | |||
| 3519 | break; | |||
| 3520 | } | |||
| 3521 | } | |||
| 3522 | ||||
| 3523 | static bfd_boolean | |||
| 3524 | elf64_x86_64_common_definition (Elf_Internal_Sym *sym) | |||
| 3525 | { | |||
| 3526 | return (sym->st_shndx == SHN_COMMON0xFFF2 | |||
| 3527 | || sym->st_shndx == SHN_X86_64_LCOMMON0xff02); | |||
| 3528 | } | |||
| 3529 | ||||
| 3530 | static unsigned int | |||
| 3531 | elf64_x86_64_common_section_index (asection *sec) | |||
| 3532 | { | |||
| 3533 | if ((elf_section_flags (sec)(((struct bfd_elf_section_data*)(sec)->used_by_bfd)->this_hdr .sh_flags) & SHF_X86_64_LARGE0x10000000) == 0) | |||
| 3534 | return SHN_COMMON0xFFF2; | |||
| 3535 | else | |||
| 3536 | return SHN_X86_64_LCOMMON0xff02; | |||
| 3537 | } | |||
| 3538 | ||||
| 3539 | static asection * | |||
| 3540 | elf64_x86_64_common_section (asection *sec) | |||
| 3541 | { | |||
| 3542 | if ((elf_section_flags (sec)(((struct bfd_elf_section_data*)(sec)->used_by_bfd)->this_hdr .sh_flags) & SHF_X86_64_LARGE0x10000000) == 0) | |||
| 3543 | return bfd_com_section_ptr((asection *) &bfd_com_section); | |||
| 3544 | else | |||
| 3545 | return &_bfd_elf_large_com_section; | |||
| 3546 | } | |||
| 3547 | ||||
| 3548 | static bfd_boolean | |||
| 3549 | elf64_x86_64_merge_symbol (struct bfd_link_info *info ATTRIBUTE_UNUSED__attribute__ ((__unused__)), | |||
| 3550 | struct elf_link_hash_entry **sym_hash ATTRIBUTE_UNUSED__attribute__ ((__unused__)), | |||
| 3551 | struct elf_link_hash_entry *h, | |||
| 3552 | Elf_Internal_Sym *sym, | |||
| 3553 | asection **psec, | |||
| 3554 | bfd_vma *pvalue ATTRIBUTE_UNUSED__attribute__ ((__unused__)), | |||
| 3555 | unsigned int *pold_alignment ATTRIBUTE_UNUSED__attribute__ ((__unused__)), | |||
| 3556 | bfd_boolean *skip ATTRIBUTE_UNUSED__attribute__ ((__unused__)), | |||
| 3557 | bfd_boolean *override ATTRIBUTE_UNUSED__attribute__ ((__unused__)), | |||
| 3558 | bfd_boolean *type_change_ok ATTRIBUTE_UNUSED__attribute__ ((__unused__)), | |||
| 3559 | bfd_boolean *size_change_ok ATTRIBUTE_UNUSED__attribute__ ((__unused__)), | |||
| 3560 | bfd_boolean *newdef ATTRIBUTE_UNUSED__attribute__ ((__unused__)), | |||
| 3561 | bfd_boolean *newdyn, | |||
| 3562 | bfd_boolean *newdyncommon ATTRIBUTE_UNUSED__attribute__ ((__unused__)), | |||
| 3563 | bfd_boolean *newweak ATTRIBUTE_UNUSED__attribute__ ((__unused__)), | |||
| 3564 | bfd *abfd ATTRIBUTE_UNUSED__attribute__ ((__unused__)), | |||
| 3565 | asection **sec, | |||
| 3566 | bfd_boolean *olddef ATTRIBUTE_UNUSED__attribute__ ((__unused__)), | |||
| 3567 | bfd_boolean *olddyn, | |||
| 3568 | bfd_boolean *olddyncommon ATTRIBUTE_UNUSED__attribute__ ((__unused__)), | |||
| 3569 | bfd_boolean *oldweak ATTRIBUTE_UNUSED__attribute__ ((__unused__)), | |||
| 3570 | bfd *oldbfd, | |||
| 3571 | asection **oldsec) | |||
| 3572 | { | |||
| 3573 | /* A normal common symbol and a large common symbol result in a | |||
| 3574 | normal common symbol. We turn the large common symbol into a | |||
| 3575 | normal one. */ | |||
| 3576 | if (!*olddyn | |||
| 3577 | && h->root.type == bfd_link_hash_common | |||
| 3578 | && !*newdyn | |||
| 3579 | && bfd_is_com_section (*sec)(((*sec)->flags & 0x1000) != 0) | |||
| 3580 | && *oldsec != *sec) | |||
| 3581 | { | |||
| 3582 | if (sym->st_shndx == SHN_COMMON0xFFF2 | |||
| 3583 | && (elf_section_flags (*oldsec)(((struct bfd_elf_section_data*)(*oldsec)->used_by_bfd)-> this_hdr.sh_flags) & SHF_X86_64_LARGE0x10000000) != 0) | |||
| 3584 | { | |||
| 3585 | h->root.u.c.p->section | |||
| 3586 | = bfd_make_section_old_way (oldbfd, "COMMON"); | |||
| 3587 | h->root.u.c.p->section->flags = SEC_ALLOC0x001; | |||
| 3588 | } | |||
| 3589 | else if (sym->st_shndx == SHN_X86_64_LCOMMON0xff02 | |||
| 3590 | && (elf_section_flags (*oldsec)(((struct bfd_elf_section_data*)(*oldsec)->used_by_bfd)-> this_hdr.sh_flags) & SHF_X86_64_LARGE0x10000000) == 0) | |||
| 3591 | *psec = *sec = bfd_com_section_ptr((asection *) &bfd_com_section); | |||
| 3592 | } | |||
| 3593 | ||||
| 3594 | return TRUE1; | |||
| 3595 | } | |||
| 3596 | ||||
| 3597 | static int | |||
| 3598 | elf64_x86_64_additional_program_headers (bfd *abfd) | |||
| 3599 | { | |||
| 3600 | asection *s; | |||
| 3601 | int count = 0; | |||
| 3602 | ||||
| 3603 | /* Check to see if we need a large readonly segment. */ | |||
| 3604 | s = bfd_get_section_by_name (abfd, ".lrodata"); | |||
| 3605 | if (s && (s->flags & SEC_LOAD0x002)) | |||
| 3606 | count++; | |||
| 3607 | ||||
| 3608 | /* Check to see if we need a large data segment. Since .lbss sections | |||
| 3609 | is placed right after the .bss section, there should be no need for | |||
| 3610 | a large data segment just because of .lbss. */ | |||
| 3611 | s = bfd_get_section_by_name (abfd, ".ldata"); | |||
| 3612 | if (s && (s->flags & SEC_LOAD0x002)) | |||
| 3613 | count++; | |||
| 3614 | ||||
| 3615 | return count; | |||
| 3616 | } | |||
| 3617 | ||||
| 3618 | /* Return TRUE if symbol should be hashed in the `.gnu.hash' section. */ | |||
| 3619 | ||||
| 3620 | static bfd_boolean | |||
| 3621 | elf64_x86_64_hash_symbol (struct elf_link_hash_entry *h) | |||
| 3622 | { | |||
| 3623 | if (h->plt.offset != (bfd_vma) -1 | |||
| 3624 | && !h->def_regular | |||
| 3625 | && !h->pointer_equality_needed) | |||
| 3626 | return FALSE0; | |||
| 3627 | ||||
| 3628 | return _bfd_elf_hash_symbol (h); | |||
| 3629 | } | |||
| 3630 | ||||
| 3631 | static const struct bfd_elf_special_section | |||
| 3632 | elf64_x86_64_special_sections[]= | |||
| 3633 | { | |||
| 3634 | { ".gnu.linkonce.lb", 16, -2, SHT_NOBITS8, SHF_ALLOC(1 << 1) + SHF_WRITE(1 << 0) + SHF_X86_64_LARGE0x10000000}, | |||
| 3635 | { ".gnu.linkonce.lr", 16, -2, SHT_PROGBITS1, SHF_ALLOC(1 << 1) + SHF_X86_64_LARGE0x10000000}, | |||
| 3636 | { ".gnu.linkonce.lt", 16, -2, SHT_PROGBITS1, SHF_ALLOC(1 << 1) + SHF_EXECINSTR(1 << 2) + SHF_X86_64_LARGE0x10000000}, | |||
| 3637 | { ".lbss", 5, -2, SHT_NOBITS8, SHF_ALLOC(1 << 1) + SHF_WRITE(1 << 0) + SHF_X86_64_LARGE0x10000000}, | |||
| 3638 | { ".ldata", 6, -2, SHT_PROGBITS1, SHF_ALLOC(1 << 1) + SHF_WRITE(1 << 0) + SHF_X86_64_LARGE0x10000000}, | |||
| 3639 | { ".lrodata", 8, -2, SHT_PROGBITS1, SHF_ALLOC(1 << 1) + SHF_X86_64_LARGE0x10000000}, | |||
| 3640 | { NULL((void*)0), 0, 0, 0, 0 } | |||
| 3641 | }; | |||
| 3642 | ||||
| 3643 | #define TARGET_LITTLE_SYMbfd_elf64_x86_64_vec bfd_elf64_x86_64_vec | |||
| 3644 | #define TARGET_LITTLE_NAME"elf64-x86-64" "elf64-x86-64" | |||
| 3645 | #define ELF_ARCHbfd_arch_i386 bfd_arch_i386 | |||
| 3646 | #define ELF_MACHINE_CODE62 EM_X86_6462 | |||
| 3647 | #define ELF_MAXPAGESIZE0x1000 0x1000 | |||
| 3648 | ||||
| 3649 | #define elf_backend_can_gc_sections1 1 | |||
| 3650 | #define elf_backend_can_refcount1 1 | |||
| 3651 | #define elf_backend_want_got_plt1 1 | |||
| 3652 | #define elf_backend_plt_readonly1 1 | |||
| 3653 | #define elf_backend_want_plt_sym0 0 | |||
| 3654 | #define elf_backend_got_header_size(8*3) (GOT_ENTRY_SIZE8*3) | |||
| 3655 | #define elf_backend_rela_normal1 1 | |||
| 3656 | ||||
| 3657 | #define elf_info_to_howtoelf64_x86_64_info_to_howto elf64_x86_64_info_to_howto | |||
| 3658 | ||||
| 3659 | #define bfd_elf64_bfd_link_hash_table_createelf64_x86_64_link_hash_table_create \ | |||
| 3660 | elf64_x86_64_link_hash_table_create | |||
| 3661 | #define bfd_elf64_bfd_reloc_type_lookupelf64_x86_64_reloc_type_lookup elf64_x86_64_reloc_type_lookup | |||
| 3662 | ||||
| 3663 | #define elf_backend_adjust_dynamic_symbolelf64_x86_64_adjust_dynamic_symbol elf64_x86_64_adjust_dynamic_symbol | |||
| 3664 | #define elf_backend_check_relocself64_x86_64_check_relocs elf64_x86_64_check_relocs | |||
| 3665 | #define elf_backend_copy_indirect_symbolelf64_x86_64_copy_indirect_symbol elf64_x86_64_copy_indirect_symbol | |||
| 3666 | #define elf_backend_create_dynamic_sectionself64_x86_64_create_dynamic_sections elf64_x86_64_create_dynamic_sections | |||
| 3667 | #define elf_backend_finish_dynamic_sectionself64_x86_64_finish_dynamic_sections elf64_x86_64_finish_dynamic_sections | |||
| 3668 | #define elf_backend_finish_dynamic_symbolelf64_x86_64_finish_dynamic_symbol elf64_x86_64_finish_dynamic_symbol | |||
| 3669 | #define elf_backend_gc_mark_hookelf64_x86_64_gc_mark_hook elf64_x86_64_gc_mark_hook | |||
| 3670 | #define elf_backend_gc_sweep_hookelf64_x86_64_gc_sweep_hook elf64_x86_64_gc_sweep_hook | |||
| 3671 | #define elf_backend_grok_prstatuself64_x86_64_grok_prstatus elf64_x86_64_grok_prstatus | |||
| 3672 | #define elf_backend_grok_psinfoelf64_x86_64_grok_psinfo elf64_x86_64_grok_psinfo | |||
| 3673 | #define elf_backend_reloc_type_clasself64_x86_64_reloc_type_class elf64_x86_64_reloc_type_class | |||
| 3674 | #define elf_backend_relocate_sectionelf64_x86_64_relocate_section elf64_x86_64_relocate_section | |||
| 3675 | #define elf_backend_size_dynamic_sectionself64_x86_64_size_dynamic_sections elf64_x86_64_size_dynamic_sections | |||
| 3676 | #define elf_backend_always_size_sectionself64_x86_64_always_size_sections elf64_x86_64_always_size_sections | |||
| 3677 | #define elf_backend_plt_sym_valelf64_x86_64_plt_sym_val elf64_x86_64_plt_sym_val | |||
| 3678 | #define elf_backend_object_pelf64_x86_64_elf_object_p elf64_x86_64_elf_object_p | |||
| 3679 | #define bfd_elf64_mkobjectelf64_x86_64_mkobject elf64_x86_64_mkobject | |||
| 3680 | ||||
| 3681 | #define elf_backend_section_from_shdrelf64_x86_64_section_from_shdr \ | |||
| 3682 | elf64_x86_64_section_from_shdr | |||
| 3683 | ||||
| 3684 | #define elf_backend_section_from_bfd_sectionelf64_x86_64_elf_section_from_bfd_section \ | |||
| 3685 | elf64_x86_64_elf_section_from_bfd_section | |||
| 3686 | #define elf_backend_add_symbol_hookelf64_x86_64_add_symbol_hook \ | |||
| 3687 | elf64_x86_64_add_symbol_hook | |||
| 3688 | #define elf_backend_symbol_processingelf64_x86_64_symbol_processing \ | |||
| 3689 | elf64_x86_64_symbol_processing | |||
| 3690 | #define elf_backend_common_section_indexelf64_x86_64_common_section_index \ | |||
| 3691 | elf64_x86_64_common_section_index | |||
| 3692 | #define elf_backend_common_sectionelf64_x86_64_common_section \ | |||
| 3693 | elf64_x86_64_common_section | |||
| 3694 | #define elf_backend_common_definitionelf64_x86_64_common_definition \ | |||
| 3695 | elf64_x86_64_common_definition | |||
| 3696 | #define elf_backend_merge_symbolelf64_x86_64_merge_symbol \ | |||
| 3697 | elf64_x86_64_merge_symbol | |||
| 3698 | #define elf_backend_special_sectionself64_x86_64_special_sections \ | |||
| 3699 | elf64_x86_64_special_sections | |||
| 3700 | #define elf_backend_additional_program_headerself64_x86_64_additional_program_headers \ | |||
| 3701 | elf64_x86_64_additional_program_headers | |||
| 3702 | #define elf_backend_hash_symbolelf64_x86_64_hash_symbol \ | |||
| 3703 | elf64_x86_64_hash_symbol | |||
| 3704 | ||||
| 3705 | #include "elf64-target.h" |