X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=bfd%2Fmach-o-x86-64.c;h=c64fc4663fbd183ec8cd9499cb3defcc6abc6d0b;hb=0b99131d48925b260f109613aba933abe711e90b;hp=667c1d0f1ce38228bba15575649cb539ba78a411;hpb=219d1afa89d0d53ca93a684cac341f16470f3ca0;p=binutils-gdb.git diff --git a/bfd/mach-o-x86-64.c b/bfd/mach-o-x86-64.c index 667c1d0f1ce..c64fc4663fb 100644 --- a/bfd/mach-o-x86-64.c +++ b/bfd/mach-o-x86-64.c @@ -1,5 +1,5 @@ /* Intel x86-64 Mach-O support for BFD. - Copyright (C) 2010-2018 Free Software Foundation, Inc. + Copyright (C) 2010-2022 Free Software Foundation, Inc. This file is part of BFD, the Binary File Descriptor library. @@ -19,36 +19,36 @@ MA 02110-1301, USA. */ #include "sysdep.h" -#include "mach-o.h" #include "bfd.h" #include "libbfd.h" #include "libiberty.h" +#include "mach-o.h" #include "mach-o/x86-64.h" #define bfd_mach_o_object_p bfd_mach_o_x86_64_object_p #define bfd_mach_o_core_p bfd_mach_o_x86_64_core_p #define bfd_mach_o_mkobject bfd_mach_o_x86_64_mkobject -static const bfd_target * +static bfd_cleanup bfd_mach_o_x86_64_object_p (bfd *abfd) { return bfd_mach_o_header_p (abfd, 0, 0, BFD_MACH_O_CPU_TYPE_X86_64); } -static const bfd_target * +static bfd_cleanup bfd_mach_o_x86_64_core_p (bfd *abfd) { return bfd_mach_o_header_p (abfd, 0, BFD_MACH_O_MH_CORE, BFD_MACH_O_CPU_TYPE_X86_64); } -static bfd_boolean +static bool bfd_mach_o_x86_64_mkobject (bfd *abfd) { bfd_mach_o_data_struct *mdata; if (!bfd_mach_o_mkobject_init (abfd)) - return FALSE; + return false; mdata = bfd_mach_o_get_data (abfd); mdata->header.magic = BFD_MACH_O_MH_MAGIC_64; @@ -58,7 +58,7 @@ bfd_mach_o_x86_64_mkobject (bfd *abfd) mdata->header.byteorder = BFD_ENDIAN_LITTLE; mdata->header.version = 2; - return TRUE; + return true; } /* In case we're on a 32-bit machine, construct a 64-bit "-1" value. */ @@ -67,59 +67,64 @@ bfd_mach_o_x86_64_mkobject (bfd *abfd) static reloc_howto_type x86_64_howto_table[]= { /* 0 */ - HOWTO(BFD_RELOC_64, 0, 4, 64, FALSE, 0, + HOWTO(BFD_RELOC_64, 0, 4, 64, false, 0, complain_overflow_bitfield, NULL, "64", - FALSE, MINUS_ONE, MINUS_ONE, FALSE), - HOWTO(BFD_RELOC_32, 0, 2, 32, FALSE, 0, + false, MINUS_ONE, MINUS_ONE, false), + HOWTO(BFD_RELOC_32, 0, 2, 32, false, 0, complain_overflow_bitfield, NULL, "32", - FALSE, 0xffffffff, 0xffffffff, FALSE), - HOWTO(BFD_RELOC_32_PCREL, 0, 2, 32, TRUE, 0, + false, 0xffffffff, 0xffffffff, false), + HOWTO(BFD_RELOC_32_PCREL, 0, 2, 32, true, 0, complain_overflow_bitfield, NULL, "DISP32", - FALSE, 0xffffffff, 0xffffffff, TRUE), - HOWTO(BFD_RELOC_MACH_O_X86_64_PCREL32_1, 0, 2, 32, TRUE, 0, + false, 0xffffffff, 0xffffffff, true), + HOWTO(BFD_RELOC_MACH_O_X86_64_PCREL32_1, 0, 2, 32, true, 0, complain_overflow_bitfield, NULL, "DISP32_1", - FALSE, 0xffffffff, 0xffffffff, TRUE), + false, 0xffffffff, 0xffffffff, true), /* 4 */ - HOWTO(BFD_RELOC_MACH_O_X86_64_PCREL32_2, 0, 2, 32, TRUE, 0, + HOWTO(BFD_RELOC_MACH_O_X86_64_PCREL32_2, 0, 2, 32, true, 0, complain_overflow_bitfield, NULL, "DISP32_2", - FALSE, 0xffffffff, 0xffffffff, TRUE), - HOWTO(BFD_RELOC_MACH_O_X86_64_PCREL32_4, 0, 2, 32, TRUE, 0, + false, 0xffffffff, 0xffffffff, true), + HOWTO(BFD_RELOC_MACH_O_X86_64_PCREL32_4, 0, 2, 32, true, 0, complain_overflow_bitfield, NULL, "DISP32_4", - FALSE, 0xffffffff, 0xffffffff, TRUE), - HOWTO(BFD_RELOC_MACH_O_X86_64_BRANCH32, 0, 2, 32, TRUE, 0, + false, 0xffffffff, 0xffffffff, true), + HOWTO(BFD_RELOC_MACH_O_X86_64_BRANCH32, 0, 2, 32, true, 0, complain_overflow_bitfield, NULL, "BRANCH32", - FALSE, 0xffffffff, 0xffffffff, TRUE), - HOWTO(BFD_RELOC_MACH_O_X86_64_GOT_LOAD, 0, 2, 32, TRUE, 0, + false, 0xffffffff, 0xffffffff, true), + HOWTO(BFD_RELOC_MACH_O_X86_64_GOT_LOAD, 0, 2, 32, true, 0, complain_overflow_bitfield, NULL, "GOT_LOAD", - FALSE, 0xffffffff, 0xffffffff, TRUE), + false, 0xffffffff, 0xffffffff, true), /* 8 */ - HOWTO(BFD_RELOC_MACH_O_SUBTRACTOR32, 0, 2, 32, FALSE, 0, + HOWTO(BFD_RELOC_MACH_O_SUBTRACTOR32, 0, 2, 32, false, 0, complain_overflow_bitfield, NULL, "SUBTRACTOR32", - FALSE, 0xffffffff, 0xffffffff, FALSE), - HOWTO(BFD_RELOC_MACH_O_SUBTRACTOR64, 0, 4, 64, FALSE, 0, + false, 0xffffffff, 0xffffffff, false), + HOWTO(BFD_RELOC_MACH_O_SUBTRACTOR64, 0, 4, 64, false, 0, complain_overflow_bitfield, NULL, "SUBTRACTOR64", - FALSE, MINUS_ONE, MINUS_ONE, FALSE), - HOWTO(BFD_RELOC_MACH_O_X86_64_GOT, 0, 2, 32, TRUE, 0, + false, MINUS_ONE, MINUS_ONE, false), + HOWTO(BFD_RELOC_MACH_O_X86_64_GOT, 0, 2, 32, true, 0, complain_overflow_bitfield, NULL, "GOT", - FALSE, 0xffffffff, 0xffffffff, TRUE), - HOWTO(BFD_RELOC_MACH_O_X86_64_BRANCH8, 0, 0, 8, TRUE, 0, + false, 0xffffffff, 0xffffffff, true), + HOWTO(BFD_RELOC_MACH_O_X86_64_BRANCH8, 0, 0, 8, true, 0, complain_overflow_bitfield, NULL, "BRANCH8", - FALSE, 0xff, 0xff, TRUE), + false, 0xff, 0xff, true), + /* 12 */ + HOWTO(BFD_RELOC_MACH_O_X86_64_TLV, 0, 2, 32, true, 0, + complain_overflow_bitfield, + NULL, "TLV", + false, 0xffffffff, 0xffffffff, true), }; -static bfd_boolean +static bool bfd_mach_o_x86_64_canonicalize_one_reloc (bfd * abfd, struct mach_o_reloc_info_external * raw, arelent * res, @@ -129,104 +134,111 @@ bfd_mach_o_x86_64_canonicalize_one_reloc (bfd * abfd, bfd_mach_o_reloc_info reloc; if (!bfd_mach_o_pre_canonicalize_one_reloc (abfd, raw, &reloc, res, syms)) - return FALSE; + return false; /* On x86-64, scattered relocs are not used. */ if (reloc.r_scattered) - return FALSE; + return false; switch (reloc.r_type) { case BFD_MACH_O_X86_64_RELOC_UNSIGNED: if (reloc.r_pcrel) - return FALSE; + return false; switch (reloc.r_length) { case 2: res->howto = &x86_64_howto_table[1]; - return TRUE; + return true; case 3: res->howto = &x86_64_howto_table[0]; - return TRUE; + return true; default: - return FALSE; + return false; } case BFD_MACH_O_X86_64_RELOC_SIGNED: if (reloc.r_length == 2 && reloc.r_pcrel) { res->howto = &x86_64_howto_table[2]; - return TRUE; + return true; } break; case BFD_MACH_O_X86_64_RELOC_BRANCH: if (!reloc.r_pcrel) - return FALSE; + return false; switch (reloc.r_length) { case 2: res->howto = &x86_64_howto_table[6]; - return TRUE; + return true; default: - return FALSE; + return false; } break; case BFD_MACH_O_X86_64_RELOC_GOT_LOAD: if (reloc.r_length == 2 && reloc.r_pcrel && reloc.r_extern) { res->howto = &x86_64_howto_table[7]; - return TRUE; + return true; } break; case BFD_MACH_O_X86_64_RELOC_GOT: if (reloc.r_length == 2 && reloc.r_pcrel && reloc.r_extern) { res->howto = &x86_64_howto_table[10]; - return TRUE; + return true; } break; case BFD_MACH_O_X86_64_RELOC_SUBTRACTOR: if (reloc.r_pcrel) - return FALSE; + return false; switch (reloc.r_length) { case 2: res->howto = &x86_64_howto_table[8]; - return TRUE; + return true; case 3: res->howto = &x86_64_howto_table[9]; - return TRUE; + return true; default: - return FALSE; + return false; } break; case BFD_MACH_O_X86_64_RELOC_SIGNED_1: if (reloc.r_length == 2 && reloc.r_pcrel) { res->howto = &x86_64_howto_table[3]; - return TRUE; + return true; } break; case BFD_MACH_O_X86_64_RELOC_SIGNED_2: if (reloc.r_length == 2 && reloc.r_pcrel) { res->howto = &x86_64_howto_table[4]; - return TRUE; + return true; } break; case BFD_MACH_O_X86_64_RELOC_SIGNED_4: if (reloc.r_length == 2 && reloc.r_pcrel) { res->howto = &x86_64_howto_table[5]; - return TRUE; + return true; + } + break; + case BFD_MACH_O_X86_64_RELOC_TLV: + if (reloc.r_length == 2 && reloc.r_pcrel && reloc.r_extern) + { + res->howto = &x86_64_howto_table[12]; + return true; } break; default: - return FALSE; + return false; } - return FALSE; + return false; } -static bfd_boolean +static bool bfd_mach_o_x86_64_swap_reloc_out (arelent *rel, bfd_mach_o_reloc_info *rinfo) { rinfo->r_address = rel->address; @@ -288,8 +300,13 @@ bfd_mach_o_x86_64_swap_reloc_out (arelent *rel, bfd_mach_o_reloc_info *rinfo) rinfo->r_pcrel = 1; rinfo->r_length = 2; break; + case BFD_RELOC_MACH_O_X86_64_TLV: + rinfo->r_type = BFD_MACH_O_X86_64_RELOC_TLV; + rinfo->r_pcrel = 1; + rinfo->r_length = 2; + break; default: - return FALSE; + return false; } if ((*rel->sym_ptr_ptr)->flags & BSF_SECTION_SYM) { @@ -302,7 +319,7 @@ bfd_mach_o_x86_64_swap_reloc_out (arelent *rel, bfd_mach_o_reloc_info *rinfo) rinfo->r_extern = 1; rinfo->r_value = (*rel->sym_ptr_ptr)->udata.i; } - return TRUE; + return true; } static reloc_howto_type * @@ -326,14 +343,14 @@ bfd_mach_o_x86_64_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, return NULL; } -static bfd_boolean +static bool bfd_mach_o_section_type_valid_for_x86_64 (unsigned long val) { if (val == BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS || val == BFD_MACH_O_S_LAZY_SYMBOL_POINTERS || val == BFD_MACH_O_S_SYMBOL_STUBS) - return FALSE; - return TRUE; + return false; + return true; } /* We want to bump the alignment of some sections. */