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5 Commits
users/sima
...
users/hjl/
| Author | SHA1 | Date | |
|---|---|---|---|
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651dc85243 | ||
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a85711043c | ||
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2d1d9ed8d3 | ||
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37c0370059 | ||
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91d9e98ebf |
@@ -3177,6 +3177,7 @@ instruction. */
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BFD_RELOC_386_TLS_DESC_CALL,
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BFD_RELOC_386_TLS_DESC,
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BFD_RELOC_386_IRELATIVE,
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BFD_RELOC_386_GOT32X,
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/* x86-64/elf relocations */
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BFD_RELOC_X86_64_GOT32,
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@@ -3208,6 +3209,8 @@ instruction. */
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BFD_RELOC_X86_64_IRELATIVE,
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BFD_RELOC_X86_64_PC32_BND,
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BFD_RELOC_X86_64_PLT32_BND,
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BFD_RELOC_X86_64_GOTPCRELX,
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BFD_RELOC_X86_64_REX_GOTPCRELX,
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/* ns32k relocations */
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BFD_RELOC_NS32K_IMM_8,
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363
bfd/elf32-i386.c
363
bfd/elf32-i386.c
@@ -29,6 +29,7 @@
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#include "objalloc.h"
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#include "hashtab.h"
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#include "dwarf2.h"
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#include "opcode/i386.h"
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/* 386 uses REL relocations instead of RELA. */
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#define USE_REL 1
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@@ -146,9 +147,12 @@ static reloc_howto_type elf_howto_table[]=
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HOWTO(R_386_IRELATIVE, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
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bfd_elf_generic_reloc, "R_386_IRELATIVE",
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TRUE, 0xffffffff, 0xffffffff, FALSE),
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HOWTO(R_386_GOT32X, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
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bfd_elf_generic_reloc, "R_386_GOT32X",
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TRUE, 0xffffffff, 0xffffffff, FALSE),
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/* Another gap. */
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#define R_386_ext2 (R_386_IRELATIVE + 1 - R_386_tls_offset)
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#define R_386_ext2 (R_386_GOT32X + 1 - R_386_tls_offset)
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#define R_386_vt_offset (R_386_GNU_VTINHERIT - R_386_ext2)
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/* GNU extension to record C++ vtable hierarchy. */
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@@ -332,6 +336,10 @@ elf_i386_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
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TRACE ("BFD_RELOC_386_IRELATIVE");
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return &elf_howto_table[R_386_IRELATIVE - R_386_tls_offset];
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case BFD_RELOC_386_GOT32X:
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TRACE ("BFD_RELOC_386_GOT32X");
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return &elf_howto_table[R_386_GOT32X - R_386_tls_offset];
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case BFD_RELOC_VTABLE_INHERIT:
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TRACE ("BFD_RELOC_VTABLE_INHERIT");
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return &elf_howto_table[R_386_GNU_VTINHERIT - R_386_vt_offset];
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@@ -1468,7 +1476,7 @@ elf_i386_tls_transition (struct bfd_link_info *info, bfd *abfd,
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/* Rename some of the generic section flags to better document how they
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are used here. */
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#define need_convert_mov_to_lea sec_flg0
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#define need_convert_load sec_flg0
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/* Look through the relocs for a section during the first phase, and
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calculate needed space in the global offset table, procedure linkage
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@@ -1580,6 +1588,7 @@ elf_i386_check_relocs (bfd *abfd,
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case R_386_PC32:
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case R_386_PLT32:
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case R_386_GOT32:
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case R_386_GOT32X:
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if (htab->elf.dynobj == NULL)
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htab->elf.dynobj = abfd;
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if (!_bfd_elf_create_ifunc_sections (htab->elf.dynobj, info))
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@@ -1637,6 +1646,7 @@ elf_i386_check_relocs (bfd *abfd,
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/* Fall through */
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case R_386_GOT32:
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case R_386_GOT32X:
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case R_386_TLS_GD:
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case R_386_TLS_GOTDESC:
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case R_386_TLS_DESC_CALL:
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@@ -1647,7 +1657,10 @@ elf_i386_check_relocs (bfd *abfd,
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switch (r_type)
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{
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default:
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case R_386_GOT32: tls_type = GOT_NORMAL; break;
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case R_386_GOT32:
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case R_386_GOT32X:
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tls_type = GOT_NORMAL;
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break;
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case R_386_TLS_GD: tls_type = GOT_TLS_GD; break;
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case R_386_TLS_GOTDESC:
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case R_386_TLS_DESC_CALL:
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@@ -1948,9 +1961,9 @@ do_size:
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return FALSE;
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}
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if (r_type == R_386_GOT32
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if ((r_type == R_386_GOT32 || r_type == R_386_GOT32X)
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&& (h == NULL || h->type != STT_GNU_IFUNC))
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sec->need_convert_mov_to_lea = 1;
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sec->need_convert_load = 1;
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}
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||||
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return TRUE;
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@@ -2074,6 +2087,7 @@ elf_i386_gc_sweep_hook (bfd *abfd,
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case R_386_TLS_IE:
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case R_386_TLS_GOTIE:
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case R_386_GOT32:
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case R_386_GOT32X:
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if (h != NULL)
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{
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if (h->got.refcount > 0)
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@@ -2718,14 +2732,27 @@ elf_i386_readonly_dynrelocs (struct elf_link_hash_entry *h, void *inf)
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return TRUE;
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}
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/* Convert
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mov foo@GOT(%reg), %reg
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/* With the local symbol, foo, we convert
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mov foo@GOT[(%reg1)], %reg2
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||||
to
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lea foo@GOTOFF(%reg), %reg
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with the local symbol, foo. */
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lea foo[@GOTOFF(%reg1)], %reg2
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and convert
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call/jmp *foo@GOT[(%reg)]
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to
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nop call foo/jmp foo nop
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When PIC is false, convert
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test %reg1, foo@GOT[(%reg2)]
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to
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test $foo, %reg1
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and convert
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binop foo@GOT[(%reg1)], %reg2
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to
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binop $foo, %reg2
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where binop is one of adc, add, and, cmp, or, sbb, sub, xor
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||||
instructions. */
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static bfd_boolean
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elf_i386_convert_mov_to_lea (bfd *abfd, asection *sec,
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elf_i386_convert_load (bfd *abfd, asection *sec,
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struct bfd_link_info *link_info)
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||||
{
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Elf_Internal_Shdr *symtab_hdr;
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@@ -2743,7 +2770,7 @@ elf_i386_convert_mov_to_lea (bfd *abfd, asection *sec,
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||||
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||||
/* Nothing to do if there is no need or no output. */
|
||||
if ((sec->flags & (SEC_CODE | SEC_RELOC)) != (SEC_CODE | SEC_RELOC)
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||||
|| sec->need_convert_mov_to_lea == 0
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||||
|| sec->need_convert_load == 0
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||||
|| bfd_is_abs_section (sec->output_section))
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||||
return TRUE;
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||||
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||||
@@ -2777,32 +2804,92 @@ elf_i386_convert_mov_to_lea (bfd *abfd, asection *sec,
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unsigned int r_symndx = ELF32_R_SYM (irel->r_info);
|
||||
unsigned int indx;
|
||||
struct elf_link_hash_entry *h;
|
||||
unsigned int opcode;
|
||||
unsigned int modrm;
|
||||
bfd_vma roff;
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||||
bfd_boolean baseless;
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Elf_Internal_Sym *isym;
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unsigned int addend;
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unsigned int nop;
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||||
bfd_vma nop_offset;
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if (r_type != R_386_GOT32)
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if (r_type != R_386_GOT32 && r_type != R_386_GOT32X)
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continue;
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/* Get the symbol referred to by the reloc. */
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roff = irel->r_offset;
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if (roff < 2)
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continue;
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||||
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modrm = bfd_get_8 (abfd, contents + roff - 1);
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baseless = (modrm & 0xc7) == 0x5;
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if (r_type == R_386_GOT32X
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&& baseless
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&& bfd_link_pic (link_info))
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{
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/* For PIC, disallow R_386_GOT32X without a base register
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since we don't know what the GOT base is. Allow
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R_386_GOT32 for existing object files. */
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const char *name;
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if (r_symndx < symtab_hdr->sh_info)
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{
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isym = bfd_sym_from_r_symndx (&htab->sym_cache, abfd,
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r_symndx);
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name = bfd_elf_sym_name (abfd, symtab_hdr, isym, NULL);
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}
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else
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{
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indx = r_symndx - symtab_hdr->sh_info;
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h = elf_sym_hashes (abfd)[indx];
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BFD_ASSERT (h != NULL);
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name = h->root.root.string;
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}
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||||
(*_bfd_error_handler)
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(_("%B: direct GOT relocation R_386_GOT32X against `%s' without base register can not be used when making a shared object"),
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abfd, name);
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goto error_return;
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}
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opcode = bfd_get_8 (abfd, contents + roff - 2);
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/* It is OK to convert mov to lea. */
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if (opcode != 0x8b)
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{
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/* Only convert R_386_GOT32X relocation for call, jmp or
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one of adc, add, and, cmp, or, sbb, sub, test, xor
|
||||
instructions. */
|
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if (r_type != R_386_GOT32X)
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continue;
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||||
|
||||
/* It is OK to convert indirect branch to direct branch. It
|
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is OK to convert adc, add, and, cmp, or, sbb, sub, test,
|
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xor only when PIC is false. */
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if (opcode != 0xff && bfd_link_pic (link_info))
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continue;
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}
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/* Try to convert R_386_GOT32 and R_386_GOT32X. Get the symbol
|
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referred to by the reloc. */
|
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if (r_symndx < symtab_hdr->sh_info)
|
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{
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||||
Elf_Internal_Sym *isym;
|
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|
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isym = bfd_sym_from_r_symndx (&htab->sym_cache,
|
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abfd, r_symndx);
|
||||
|
||||
/* STT_GNU_IFUNC must keep R_386_GOT32 relocation. */
|
||||
if (ELF_ST_TYPE (isym->st_info) != STT_GNU_IFUNC
|
||||
&& irel->r_offset >= 2
|
||||
&& bfd_get_8 (abfd, contents + irel->r_offset - 2) == 0x8b)
|
||||
{
|
||||
bfd_put_8 (abfd, 0x8d, contents + irel->r_offset - 2);
|
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irel->r_info = ELF32_R_INFO (r_symndx, R_386_GOTOFF);
|
||||
if (local_got_refcounts != NULL
|
||||
&& local_got_refcounts[r_symndx] > 0)
|
||||
local_got_refcounts[r_symndx] -= 1;
|
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changed_contents = TRUE;
|
||||
changed_relocs = TRUE;
|
||||
}
|
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continue;
|
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/* STT_GNU_IFUNC must keep GOT32 relocations. */
|
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if (ELF_ST_TYPE (isym->st_info) == STT_GNU_IFUNC)
|
||||
continue;
|
||||
|
||||
h = NULL;
|
||||
if (opcode == 0x0ff)
|
||||
/* Convert "call/jmp *foo@GOT[(%reg)]". */
|
||||
goto convert_branch;
|
||||
else
|
||||
/* Convert "mov foo@GOT[(%reg1)], %reg2",
|
||||
"test %reg1, foo@GOT(%reg2)" and
|
||||
"binop foo@GOT[(%reg1)], %reg2". */
|
||||
goto convert_load;
|
||||
}
|
||||
|
||||
indx = r_symndx - symtab_hdr->sh_info;
|
||||
@@ -2813,22 +2900,153 @@ elf_i386_convert_mov_to_lea (bfd *abfd, asection *sec,
|
||||
|| h->root.type == bfd_link_hash_warning)
|
||||
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
||||
|
||||
/* STT_GNU_IFUNC must keep R_386_GOT32 relocation. We also avoid
|
||||
optimizing _DYNAMIC since ld.so may use its link-time address. */
|
||||
if ((h->root.type == bfd_link_hash_defined
|
||||
|| h->root.type == bfd_link_hash_defweak)
|
||||
&& h->type != STT_GNU_IFUNC
|
||||
&& h != htab->elf.hdynamic
|
||||
&& SYMBOL_REFERENCES_LOCAL (link_info, h)
|
||||
&& irel->r_offset >= 2
|
||||
&& bfd_get_8 (abfd, contents + irel->r_offset - 2) == 0x8b)
|
||||
/* STT_GNU_IFUNC must keep GOT32 relocations. */
|
||||
if (h->type == STT_GNU_IFUNC)
|
||||
continue;
|
||||
|
||||
if (opcode == 0xff)
|
||||
{
|
||||
bfd_put_8 (abfd, 0x8d, contents + irel->r_offset - 2);
|
||||
irel->r_info = ELF32_R_INFO (r_symndx, R_386_GOTOFF);
|
||||
if (h->got.refcount > 0)
|
||||
h->got.refcount -= 1;
|
||||
changed_contents = TRUE;
|
||||
changed_relocs = TRUE;
|
||||
/* We have "call/jmp *foo@GOT[(%reg)]". */
|
||||
if ((h->root.type == bfd_link_hash_defined
|
||||
|| h->root.type == bfd_link_hash_defweak)
|
||||
&& SYMBOL_REFERENCES_LOCAL (link_info, h))
|
||||
{
|
||||
/* The function is locally defined. */
|
||||
convert_branch:
|
||||
addend = bfd_get_32 (abfd, contents + roff);
|
||||
/* Addend for R_386_GOT32X relocation must be 0. */
|
||||
if (addend != 0)
|
||||
continue;
|
||||
|
||||
/* Convert R_386_GOT32X to R_386_PC32. */
|
||||
if (modrm == 0x15 || (modrm & 0xf8) == 0x90)
|
||||
{
|
||||
/* Convert to "nop call foo". ADDR_PREFIX_OPCODE
|
||||
is a nop prefix. */
|
||||
modrm = 0xe8;
|
||||
nop = link_info->call_nop_byte;
|
||||
if (link_info->call_nop_as_suffix)
|
||||
{
|
||||
nop_offset = roff + 3;
|
||||
irel->r_offset -= 1;
|
||||
}
|
||||
else
|
||||
nop_offset = roff - 2;
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Convert to "jmp foo nop". */
|
||||
modrm = 0xe9;
|
||||
nop = NOP_OPCODE;
|
||||
nop_offset = roff + 3;
|
||||
irel->r_offset -= 1;
|
||||
}
|
||||
|
||||
bfd_put_8 (abfd, nop, contents + nop_offset);
|
||||
bfd_put_8 (abfd, modrm, contents + irel->r_offset - 1);
|
||||
/* When converting to PC-relative relocation, we
|
||||
need to adjust addend by -4. */
|
||||
bfd_put_32 (abfd, -4, contents + irel->r_offset);
|
||||
irel->r_info = ELF32_R_INFO (r_symndx, R_386_PC32);
|
||||
|
||||
if (h)
|
||||
{
|
||||
if (h->got.refcount > 0)
|
||||
h->got.refcount -= 1;
|
||||
}
|
||||
else
|
||||
{
|
||||
if (local_got_refcounts != NULL
|
||||
&& local_got_refcounts[r_symndx] > 0)
|
||||
local_got_refcounts[r_symndx] -= 1;
|
||||
}
|
||||
|
||||
changed_contents = TRUE;
|
||||
changed_relocs = TRUE;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/* We have "mov foo@GOT[(%re1g)], %reg2",
|
||||
"test %reg1, foo@GOT(%reg2)" and
|
||||
"binop foo@GOT[(%reg1)], %reg2".
|
||||
|
||||
Avoid optimizing _DYNAMIC since ld.so may use its
|
||||
link-time address. */
|
||||
if (h == htab->elf.hdynamic)
|
||||
continue;
|
||||
|
||||
if ((h->root.type == bfd_link_hash_defined
|
||||
|| h->root.type == bfd_link_hash_defweak)
|
||||
&& SYMBOL_REFERENCES_LOCAL (link_info, h))
|
||||
{
|
||||
convert_load:
|
||||
if (opcode == 0x8b)
|
||||
{
|
||||
/* Convert "mov foo@GOT(%reg1), %reg2" to
|
||||
"lea foo@GOTOFF(%reg1), %reg2". */
|
||||
if (r_type == R_386_GOT32X
|
||||
&& (baseless || !bfd_link_pic (link_info)))
|
||||
{
|
||||
r_type = R_386_32;
|
||||
/* For R_386_32, convert
|
||||
"lea foo@GOTOFF(%reg1), %reg2" to
|
||||
"lea foo@GOT, %reg2". */
|
||||
if (!baseless)
|
||||
{
|
||||
modrm = 0x5 | (modrm & 0x38);
|
||||
bfd_put_8 (abfd, modrm, contents + roff - 1);
|
||||
}
|
||||
}
|
||||
else
|
||||
r_type = R_386_GOTOFF;
|
||||
opcode = 0x8d;
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Addend for R_386_GOT32X relocation must be 0. */
|
||||
addend = bfd_get_32 (abfd, contents + roff);
|
||||
if (addend != 0)
|
||||
continue;
|
||||
|
||||
if (opcode == 0x85)
|
||||
{
|
||||
/* Convert "test %reg1, foo@GOT(%reg2)" to
|
||||
"test $foo, %reg1". */
|
||||
modrm = 0xc0 | (modrm & 0x38) >> 3;
|
||||
opcode = 0xf7;
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Convert "binop foo@GOT(%reg1), %reg2" to
|
||||
"binop $foo, %reg2". */
|
||||
modrm = (0xc0
|
||||
| (modrm & 0x38) >> 3
|
||||
| (opcode & 0x3c));
|
||||
opcode = 0x81;
|
||||
}
|
||||
bfd_put_8 (abfd, modrm, contents + roff - 1);
|
||||
r_type = R_386_32;
|
||||
}
|
||||
|
||||
bfd_put_8 (abfd, opcode, contents + roff - 2);
|
||||
irel->r_info = ELF32_R_INFO (r_symndx, r_type);
|
||||
|
||||
if (h)
|
||||
{
|
||||
if (h->got.refcount > 0)
|
||||
h->got.refcount -= 1;
|
||||
}
|
||||
else
|
||||
{
|
||||
if (local_got_refcounts != NULL
|
||||
&& local_got_refcounts[r_symndx] > 0)
|
||||
local_got_refcounts[r_symndx] -= 1;
|
||||
}
|
||||
|
||||
changed_contents = TRUE;
|
||||
changed_relocs = TRUE;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@@ -2914,7 +3132,7 @@ elf_i386_size_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
|
||||
{
|
||||
struct elf_dyn_relocs *p;
|
||||
|
||||
if (!elf_i386_convert_mov_to_lea (ibfd, s, info))
|
||||
if (!elf_i386_convert_load (ibfd, s, info))
|
||||
return FALSE;
|
||||
|
||||
for (p = ((struct elf_dyn_relocs *)
|
||||
@@ -3664,6 +3882,7 @@ elf_i386_relocate_section (bfd *output_bfd,
|
||||
goto do_relocation;
|
||||
|
||||
case R_386_GOT32:
|
||||
case R_386_GOT32X:
|
||||
base_got = htab->elf.sgot;
|
||||
off = h->got.offset;
|
||||
|
||||
@@ -3741,7 +3960,61 @@ elf_i386_relocate_section (bfd *output_bfd,
|
||||
eh = (struct elf_i386_link_hash_entry *) h;
|
||||
switch (r_type)
|
||||
{
|
||||
case R_386_GOT32X:
|
||||
/* Avoid optimizing _DYNAMIC since ld.so may use its
|
||||
link-time address. */
|
||||
if (h == htab->elf.hdynamic)
|
||||
goto r_386_got32;
|
||||
|
||||
if (bfd_link_pic (info))
|
||||
{
|
||||
/* It is OK to convert mov to lea and convert indirect
|
||||
branch to direct branch. It is OK to convert adc,
|
||||
add, and, cmp, or, sbb, sub, test, xor only when PIC
|
||||
is false. */
|
||||
unsigned int opcode;
|
||||
opcode = bfd_get_8 (abfd, contents + rel->r_offset - 2);
|
||||
if (opcode != 0x8b && opcode != 0xff)
|
||||
goto r_386_got32;
|
||||
}
|
||||
|
||||
/* Resolve "mov GOT[(%reg)], %reg",
|
||||
"call/jmp *GOT[(%reg)]", "test %reg, foo@GOT[(%reg)]"
|
||||
and "binop foo@GOT[(%reg)], %reg". */
|
||||
if (h == NULL
|
||||
|| (h->plt.offset == (bfd_vma) -1
|
||||
&& h->got.offset == (bfd_vma) -1)
|
||||
|| htab->elf.sgotplt == NULL)
|
||||
abort ();
|
||||
|
||||
offplt = (htab->elf.sgotplt->output_section->vma
|
||||
+ htab->elf.sgotplt->output_offset);
|
||||
|
||||
/* It is relative to .got.plt section. */
|
||||
if (h->got.offset != (bfd_vma) -1)
|
||||
/* Use GOT entry. */
|
||||
relocation = (htab->elf.sgot->output_section->vma
|
||||
+ htab->elf.sgot->output_offset
|
||||
+ h->got.offset - offplt);
|
||||
else
|
||||
/* Use GOTPLT entry. */
|
||||
relocation = (h->plt.offset / plt_entry_size - 1 + 3) * 4;
|
||||
|
||||
if (!bfd_link_pic (info))
|
||||
{
|
||||
/* If not PIC, add the .got.plt section address for
|
||||
baseless adressing. */
|
||||
unsigned int modrm;
|
||||
modrm = bfd_get_8 (abfd, contents + rel->r_offset - 1);
|
||||
if ((modrm & 0xc7) == 0x5)
|
||||
relocation += offplt;
|
||||
}
|
||||
|
||||
unresolved_reloc = FALSE;
|
||||
break;
|
||||
|
||||
case R_386_GOT32:
|
||||
r_386_got32:
|
||||
/* Relocation is to the entry for this symbol in the global
|
||||
offset table. */
|
||||
if (htab->elf.sgot == NULL)
|
||||
|
||||
@@ -31,6 +31,7 @@
|
||||
#include "dwarf2.h"
|
||||
#include "libiberty.h"
|
||||
|
||||
#include "opcode/i386.h"
|
||||
#include "elf/x86-64.h"
|
||||
|
||||
#ifdef CORE_HEADER
|
||||
@@ -176,12 +177,18 @@ static reloc_howto_type x86_64_elf_howto_table[] =
|
||||
HOWTO(R_X86_64_PLT32_BND, 0, 2, 32, TRUE, 0, complain_overflow_signed,
|
||||
bfd_elf_generic_reloc, "R_X86_64_PLT32_BND", FALSE, 0xffffffff, 0xffffffff,
|
||||
TRUE),
|
||||
HOWTO(R_X86_64_GOTPCRELX, 0, 2, 32, TRUE, 0, complain_overflow_signed,
|
||||
bfd_elf_generic_reloc, "R_X86_64_GOTPCRELX", FALSE, 0xffffffff,
|
||||
0xffffffff, TRUE),
|
||||
HOWTO(R_X86_64_REX_GOTPCRELX, 0, 2, 32, TRUE, 0, complain_overflow_signed,
|
||||
bfd_elf_generic_reloc, "R_X86_64_REX_GOTPCRELX", FALSE, 0xffffffff,
|
||||
0xffffffff, TRUE),
|
||||
|
||||
/* We have a gap in the reloc numbers here.
|
||||
R_X86_64_standard counts the number up to this point, and
|
||||
R_X86_64_vt_offset is the value to subtract from a reloc type of
|
||||
R_X86_64_GNU_VT* to form an index into this table. */
|
||||
#define R_X86_64_standard (R_X86_64_PLT32_BND + 1)
|
||||
#define R_X86_64_standard (R_X86_64_REX_GOTPCRELX + 1)
|
||||
#define R_X86_64_vt_offset (R_X86_64_GNU_VTINHERIT - R_X86_64_standard)
|
||||
|
||||
/* GNU extension to record C++ vtable hierarchy. */
|
||||
@@ -253,8 +260,10 @@ static const struct elf_reloc_map x86_64_reloc_map[] =
|
||||
{ BFD_RELOC_X86_64_TLSDESC_CALL, R_X86_64_TLSDESC_CALL, },
|
||||
{ BFD_RELOC_X86_64_TLSDESC, R_X86_64_TLSDESC, },
|
||||
{ BFD_RELOC_X86_64_IRELATIVE, R_X86_64_IRELATIVE, },
|
||||
{ BFD_RELOC_X86_64_PC32_BND, R_X86_64_PC32_BND,},
|
||||
{ BFD_RELOC_X86_64_PLT32_BND, R_X86_64_PLT32_BND,},
|
||||
{ BFD_RELOC_X86_64_PC32_BND, R_X86_64_PC32_BND, },
|
||||
{ BFD_RELOC_X86_64_PLT32_BND, R_X86_64_PLT32_BND, },
|
||||
{ BFD_RELOC_X86_64_GOTPCRELX, R_X86_64_GOTPCRELX, },
|
||||
{ BFD_RELOC_X86_64_REX_GOTPCRELX, R_X86_64_REX_GOTPCRELX, },
|
||||
{ BFD_RELOC_VTABLE_INHERIT, R_X86_64_GNU_VTINHERIT, },
|
||||
{ BFD_RELOC_VTABLE_ENTRY, R_X86_64_GNU_VTENTRY, },
|
||||
};
|
||||
@@ -1545,7 +1554,7 @@ elf_x86_64_tls_transition (struct bfd_link_info *info, bfd *abfd,
|
||||
|
||||
/* Rename some of the generic section flags to better document how they
|
||||
are used here. */
|
||||
#define need_convert_mov_to_lea sec_flg0
|
||||
#define need_convert_load sec_flg0
|
||||
|
||||
/* Look through the relocs for a section during the first phase, and
|
||||
calculate needed space in the global offset table, procedure
|
||||
@@ -1726,6 +1735,8 @@ elf_x86_64_check_relocs (bfd *abfd, struct bfd_link_info *info,
|
||||
case R_X86_64_32S:
|
||||
case R_X86_64_PC64:
|
||||
case R_X86_64_GOTPCREL:
|
||||
case R_X86_64_GOTPCRELX:
|
||||
case R_X86_64_REX_GOTPCRELX:
|
||||
case R_X86_64_GOTPCREL64:
|
||||
if (htab->elf.dynobj == NULL)
|
||||
htab->elf.dynobj = abfd;
|
||||
@@ -1779,6 +1790,8 @@ elf_x86_64_check_relocs (bfd *abfd, struct bfd_link_info *info,
|
||||
|
||||
case R_X86_64_GOT32:
|
||||
case R_X86_64_GOTPCREL:
|
||||
case R_X86_64_GOTPCRELX:
|
||||
case R_X86_64_REX_GOTPCRELX:
|
||||
case R_X86_64_TLSGD:
|
||||
case R_X86_64_GOT64:
|
||||
case R_X86_64_GOTPCREL64:
|
||||
@@ -2151,9 +2164,11 @@ do_size:
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
if (r_type == R_X86_64_GOTPCREL
|
||||
if ((r_type == R_X86_64_GOTPCREL
|
||||
|| r_type == R_X86_64_GOTPCRELX
|
||||
|| r_type == R_X86_64_REX_GOTPCRELX)
|
||||
&& (h == NULL || h->type != STT_GNU_IFUNC))
|
||||
sec->need_convert_mov_to_lea = 1;
|
||||
sec->need_convert_load = 1;
|
||||
}
|
||||
|
||||
return TRUE;
|
||||
@@ -2279,6 +2294,8 @@ elf_x86_64_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info,
|
||||
case R_X86_64_GOTTPOFF:
|
||||
case R_X86_64_GOT32:
|
||||
case R_X86_64_GOTPCREL:
|
||||
case R_X86_64_GOTPCRELX:
|
||||
case R_X86_64_REX_GOTPCRELX:
|
||||
case R_X86_64_GOT64:
|
||||
case R_X86_64_GOTPCREL64:
|
||||
case R_X86_64_GOTPLT64:
|
||||
@@ -2953,15 +2970,28 @@ elf_x86_64_readonly_dynrelocs (struct elf_link_hash_entry *h,
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
/* Convert
|
||||
/* With the local symbol, foo, we convert
|
||||
mov foo@GOTPCREL(%rip), %reg
|
||||
to
|
||||
lea foo(%rip), %reg
|
||||
with the local symbol, foo. */
|
||||
and convert
|
||||
call/jmp *foo@GOTPCREL(%rip)
|
||||
to
|
||||
nop call foo/jmp foo nop
|
||||
When PIC is false, convert
|
||||
test %reg, foo@GOTPCREL(%rip)
|
||||
to
|
||||
test $foo, %reg
|
||||
and convert
|
||||
binop foo@GOTPCREL(%rip), %reg
|
||||
to
|
||||
binop $foo, %reg
|
||||
where binop is one of adc, add, and, cmp, or, sbb, sub, xor
|
||||
instructions. */
|
||||
|
||||
static bfd_boolean
|
||||
elf_x86_64_convert_mov_to_lea (bfd *abfd, asection *sec,
|
||||
struct bfd_link_info *link_info)
|
||||
elf_x86_64_convert_load (bfd *abfd, asection *sec,
|
||||
struct bfd_link_info *link_info)
|
||||
{
|
||||
Elf_Internal_Shdr *symtab_hdr;
|
||||
Elf_Internal_Rela *internal_relocs;
|
||||
@@ -2979,7 +3009,7 @@ elf_x86_64_convert_mov_to_lea (bfd *abfd, asection *sec,
|
||||
|
||||
/* Nothing to do if there is no need or no output. */
|
||||
if ((sec->flags & (SEC_CODE | SEC_RELOC)) != (SEC_CODE | SEC_RELOC)
|
||||
|| sec->need_convert_mov_to_lea == 0
|
||||
|| sec->need_convert_load == 0
|
||||
|| bfd_is_abs_section (sec->output_section))
|
||||
return TRUE;
|
||||
|
||||
@@ -3017,22 +3047,45 @@ elf_x86_64_convert_mov_to_lea (bfd *abfd, asection *sec,
|
||||
asection *tsec;
|
||||
char symtype;
|
||||
bfd_vma toff, roff;
|
||||
bfd_signed_vma raddend;
|
||||
unsigned int opcode;
|
||||
unsigned int modrm;
|
||||
|
||||
if (r_type != R_X86_64_GOTPCREL)
|
||||
if (r_type != R_X86_64_GOTPCREL
|
||||
&& r_type != R_X86_64_GOTPCRELX
|
||||
&& r_type != R_X86_64_REX_GOTPCRELX)
|
||||
continue;
|
||||
|
||||
roff = irel->r_offset;
|
||||
if (roff < (r_type == R_X86_64_REX_GOTPCRELX ? 3 : 2))
|
||||
continue;
|
||||
|
||||
if (roff < 2)
|
||||
raddend = irel->r_addend;
|
||||
/* Addend for 32-bit PC-relative relocation must be -4. */
|
||||
if (raddend != -4)
|
||||
continue;
|
||||
|
||||
opcode = bfd_get_8 (abfd, contents + roff - 2);
|
||||
|
||||
/* PR ld/18591: Don't convert R_X86_64_GOTPCREL relocation if it
|
||||
isn't for mov instruction. */
|
||||
/* It is OK to convert mov to lea. */
|
||||
if (opcode != 0x8b)
|
||||
continue;
|
||||
{
|
||||
/* Only convert R_X86_64_GOTPCRELX and R_X86_64_REX_GOTPCRELX
|
||||
for mov call, jmp or one of adc, add, and, cmp, or, sbb,
|
||||
sub, test, xor instructions. */
|
||||
if (r_type != R_X86_64_GOTPCRELX
|
||||
&& r_type != R_X86_64_REX_GOTPCRELX)
|
||||
continue;
|
||||
|
||||
/* It is OK to convert indirect branch to direct branch. */
|
||||
if (opcode != 0xff)
|
||||
{
|
||||
/* It is OK to convert adc, add, and, cmp, or, sbb, sub,
|
||||
test, xor only when PIC is false. */
|
||||
if (bfd_link_pic (link_info))
|
||||
continue;
|
||||
}
|
||||
}
|
||||
|
||||
/* Get the symbol referred to by the reloc. */
|
||||
if (r_symndx < symtab_hdr->sh_info)
|
||||
@@ -3044,8 +3097,8 @@ elf_x86_64_convert_mov_to_lea (bfd *abfd, asection *sec,
|
||||
|
||||
symtype = ELF_ST_TYPE (isym->st_info);
|
||||
|
||||
/* STT_GNU_IFUNC must keep R_X86_64_GOTPCREL relocation and
|
||||
skip relocation against undefined symbols. */
|
||||
/* STT_GNU_IFUNC must keep GOTPCREL relocations and skip
|
||||
relocation against undefined symbols. */
|
||||
if (symtype == STT_GNU_IFUNC || isym->st_shndx == SHN_UNDEF)
|
||||
continue;
|
||||
|
||||
@@ -3071,9 +3124,9 @@ elf_x86_64_convert_mov_to_lea (bfd *abfd, asection *sec,
|
||||
|| h->root.type == bfd_link_hash_warning)
|
||||
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
||||
|
||||
/* STT_GNU_IFUNC must keep R_X86_64_GOTPCREL relocation. We also
|
||||
avoid optimizing _DYNAMIC since ld.so may use its link-time
|
||||
address. */
|
||||
/* STT_GNU_IFUNC must keep GOTPCREL relocations. We also
|
||||
avoid optimizing GOTPCREL relocations againt _DYNAMIC
|
||||
since ld.so may use its link-time address. */
|
||||
if ((h->root.type == bfd_link_hash_defined
|
||||
|| h->root.type == bfd_link_hash_defweak)
|
||||
&& h->type != STT_GNU_IFUNC
|
||||
@@ -3107,17 +3160,17 @@ elf_x86_64_convert_mov_to_lea (bfd *abfd, asection *sec,
|
||||
access is presumed to be an offset from "sym"; The
|
||||
location of interest is just "sym". */
|
||||
if (symtype == STT_SECTION)
|
||||
toff += irel->r_addend;
|
||||
toff += raddend;
|
||||
|
||||
toff = _bfd_merged_section_offset (abfd, &tsec,
|
||||
elf_section_data (tsec)->sec_info,
|
||||
toff);
|
||||
|
||||
if (symtype != STT_SECTION)
|
||||
toff += irel->r_addend;
|
||||
toff += raddend;
|
||||
}
|
||||
else
|
||||
toff += irel->r_addend;
|
||||
toff += raddend;
|
||||
|
||||
/* Don't convert if R_X86_64_PC32 relocation overflows. */
|
||||
if (tsec->output_section == sec->output_section)
|
||||
@@ -3148,8 +3201,8 @@ elf_x86_64_convert_mov_to_lea (bfd *abfd, asection *sec,
|
||||
}
|
||||
}
|
||||
|
||||
/* Don't convert R_X86_64_GOTPCREL if TSEC isn't placed after
|
||||
SEC. */
|
||||
/* Don't convert GOTPCREL relocations if TSEC isn't placed
|
||||
after SEC. */
|
||||
if (asect == NULL)
|
||||
continue;
|
||||
|
||||
@@ -3160,8 +3213,90 @@ elf_x86_64_convert_mov_to_lea (bfd *abfd, asection *sec,
|
||||
continue;
|
||||
}
|
||||
|
||||
bfd_put_8 (abfd, 0x8d, contents + roff - 2);
|
||||
irel->r_info = htab->r_info (r_symndx, R_X86_64_PC32);
|
||||
if (opcode == 0xff)
|
||||
{
|
||||
/* We have "call/jmp *foo@GOTPCREL(%rip)". */
|
||||
unsigned int nop;
|
||||
unsigned int disp;
|
||||
bfd_vma nop_offset;
|
||||
|
||||
/* Convert R_X86_64_GOTPCRELX and R_X86_64_REX_GOTPCRELX to
|
||||
R_X86_64_PC32. */
|
||||
modrm = bfd_get_8 (abfd, contents + roff - 1);
|
||||
if (modrm == 0x25)
|
||||
{
|
||||
/* Convert to "jmp foo nop". */
|
||||
modrm = 0xe9;
|
||||
nop = NOP_OPCODE;
|
||||
nop_offset = irel->r_offset + 3;
|
||||
disp = bfd_get_32 (abfd, contents + irel->r_offset);
|
||||
irel->r_offset -= 1;
|
||||
bfd_put_32 (abfd, disp, contents + irel->r_offset);
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Convert to "nop call foo". ADDR_PREFIX_OPCODE
|
||||
is a nop prefix. */
|
||||
modrm = 0xe8;
|
||||
nop = link_info->call_nop_byte;
|
||||
if (link_info->call_nop_as_suffix)
|
||||
{
|
||||
nop_offset = irel->r_offset + 3;
|
||||
disp = bfd_get_32 (abfd, contents + irel->r_offset);
|
||||
irel->r_offset -= 1;
|
||||
bfd_put_32 (abfd, disp, contents + irel->r_offset);
|
||||
}
|
||||
else
|
||||
nop_offset = irel->r_offset - 2;
|
||||
}
|
||||
bfd_put_8 (abfd, nop, contents + nop_offset);
|
||||
bfd_put_8 (abfd, modrm, contents + irel->r_offset - 1);
|
||||
r_type = R_X86_64_PC32;
|
||||
}
|
||||
else
|
||||
{
|
||||
if (opcode == 0x8b)
|
||||
{
|
||||
/* Convert "mov foo@GOTPCREL(%rip), %reg" to
|
||||
"lea foo(%rip), %reg". */
|
||||
opcode = 0x8d;
|
||||
r_type = R_X86_64_PC32;
|
||||
}
|
||||
else
|
||||
{
|
||||
modrm = bfd_get_8 (abfd, contents + roff - 1);
|
||||
if (opcode == 0x85)
|
||||
{
|
||||
/* Convert "test %reg, foo@GOTPCREL(%rip)" to
|
||||
"test $foo, %reg". */
|
||||
modrm = 0xc0 | (modrm & 0x38) >> 3;
|
||||
opcode = 0xf7;
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Convert "binop foo@GOTPCREL(%rip), %reg" to
|
||||
"binop $foo, %reg". */
|
||||
modrm = 0xc0 | (modrm & 0x38) >> 3 | (opcode & 0x3c);
|
||||
opcode = 0x81;
|
||||
}
|
||||
bfd_put_8 (abfd, modrm, contents + roff - 1);
|
||||
|
||||
if (r_type == R_X86_64_REX_GOTPCRELX)
|
||||
{
|
||||
/* Move the R bit to the B bit in REX byte. */
|
||||
unsigned int rex = bfd_get_8 (abfd, contents + roff - 3);
|
||||
rex = (rex & ~REX_R) | (rex & REX_R) >> 2;
|
||||
bfd_put_8 (abfd, rex, contents + roff - 3);
|
||||
}
|
||||
/* No addend for R_X86_64_32S relocation. */
|
||||
irel->r_addend = 0;
|
||||
r_type = R_X86_64_32S;
|
||||
}
|
||||
|
||||
bfd_put_8 (abfd, opcode, contents + roff - 2);
|
||||
}
|
||||
|
||||
irel->r_info = htab->r_info (r_symndx, r_type);
|
||||
changed_contents = TRUE;
|
||||
changed_relocs = TRUE;
|
||||
|
||||
@@ -3264,7 +3399,7 @@ elf_x86_64_size_dynamic_sections (bfd *output_bfd,
|
||||
{
|
||||
struct elf_dyn_relocs *p;
|
||||
|
||||
if (!elf_x86_64_convert_mov_to_lea (ibfd, s, info))
|
||||
if (!elf_x86_64_convert_load (ibfd, s, info))
|
||||
return FALSE;
|
||||
|
||||
for (p = (struct elf_dyn_relocs *)
|
||||
@@ -3985,6 +4120,8 @@ elf_x86_64_relocate_section (bfd *output_bfd,
|
||||
goto do_relocation;
|
||||
|
||||
case R_X86_64_GOTPCREL:
|
||||
case R_X86_64_GOTPCRELX:
|
||||
case R_X86_64_REX_GOTPCRELX:
|
||||
case R_X86_64_GOTPCREL64:
|
||||
base_got = htab->elf.sgot;
|
||||
off = h->got.offset;
|
||||
@@ -4053,6 +4190,8 @@ elf_x86_64_relocate_section (bfd *output_bfd,
|
||||
/* Relocation is to the entry for this symbol in the global
|
||||
offset table. */
|
||||
case R_X86_64_GOTPCREL:
|
||||
case R_X86_64_GOTPCRELX:
|
||||
case R_X86_64_REX_GOTPCRELX:
|
||||
case R_X86_64_GOTPCREL64:
|
||||
/* Use global offset table entry as symbol value. */
|
||||
case R_X86_64_GOTPLT64:
|
||||
@@ -4158,7 +4297,10 @@ elf_x86_64_relocate_section (bfd *output_bfd,
|
||||
|
||||
relocation = base_got->output_section->vma
|
||||
+ base_got->output_offset + off;
|
||||
if (r_type != R_X86_64_GOTPCREL && r_type != R_X86_64_GOTPCREL64)
|
||||
if (r_type != R_X86_64_GOTPCREL
|
||||
&& r_type != R_X86_64_GOTPCRELX
|
||||
&& r_type != R_X86_64_REX_GOTPCRELX
|
||||
&& r_type != R_X86_64_GOTPCREL64)
|
||||
relocation -= htab->elf.sgotplt->output_section->vma
|
||||
- htab->elf.sgotplt->output_offset;
|
||||
|
||||
|
||||
@@ -1292,6 +1292,7 @@ static const char *const bfd_reloc_code_real_names[] = { "@@uninitialized@@",
|
||||
"BFD_RELOC_386_TLS_DESC_CALL",
|
||||
"BFD_RELOC_386_TLS_DESC",
|
||||
"BFD_RELOC_386_IRELATIVE",
|
||||
"BFD_RELOC_386_GOT32X",
|
||||
"BFD_RELOC_X86_64_GOT32",
|
||||
"BFD_RELOC_X86_64_PLT32",
|
||||
"BFD_RELOC_X86_64_COPY",
|
||||
@@ -1321,6 +1322,8 @@ static const char *const bfd_reloc_code_real_names[] = { "@@uninitialized@@",
|
||||
"BFD_RELOC_X86_64_IRELATIVE",
|
||||
"BFD_RELOC_X86_64_PC32_BND",
|
||||
"BFD_RELOC_X86_64_PLT32_BND",
|
||||
"BFD_RELOC_X86_64_GOTPCRELX",
|
||||
"BFD_RELOC_X86_64_REX_GOTPCRELX",
|
||||
"BFD_RELOC_NS32K_IMM_8",
|
||||
"BFD_RELOC_NS32K_IMM_16",
|
||||
"BFD_RELOC_NS32K_IMM_32",
|
||||
|
||||
@@ -2676,6 +2676,8 @@ ENUMX
|
||||
BFD_RELOC_386_TLS_DESC
|
||||
ENUMX
|
||||
BFD_RELOC_386_IRELATIVE
|
||||
ENUMX
|
||||
BFD_RELOC_386_GOT32X
|
||||
ENUMDOC
|
||||
i386/elf relocations
|
||||
|
||||
@@ -2737,6 +2739,10 @@ ENUMX
|
||||
BFD_RELOC_X86_64_PC32_BND
|
||||
ENUMX
|
||||
BFD_RELOC_X86_64_PLT32_BND
|
||||
ENUMX
|
||||
BFD_RELOC_X86_64_GOTPCRELX
|
||||
ENUMX
|
||||
BFD_RELOC_X86_64_REX_GOTPCRELX
|
||||
ENUMDOC
|
||||
x86-64/elf relocations
|
||||
|
||||
|
||||
@@ -86,6 +86,7 @@ enum
|
||||
R_386_TLS_DESC = 41, // TLS descriptor containing pointer to code and
|
||||
// to argument, returning TLS offset for symbol
|
||||
R_386_IRELATIVE = 42, // Adjust indirectly by program base
|
||||
R_386_GOT32X = 43, // 32 bit GOT entry, relaxable
|
||||
// Used by Intel.
|
||||
R_386_USED_BY_INTEL_200 = 200,
|
||||
// GNU vtable garbage collection extensions.
|
||||
|
||||
@@ -94,6 +94,10 @@ enum
|
||||
R_X86_64_RELATIVE64 = 38, // 64-bit adjust by program base
|
||||
R_X86_64_PC32_BND = 39, // PC relative 32 bit signed with BND prefix
|
||||
R_X86_64_PLT32_BND = 40, // 32 bit PLT address with BND prefix
|
||||
R_X86_64_GOTPCRELX = 41, // 32 bit signed PC relative offset to GOT
|
||||
// without REX prefix, relaxable.
|
||||
R_X86_64_REX_GOTPCRELX = 42, // 32 bit signed PC relative offset to GOT
|
||||
// with REX prefix, relaxable.
|
||||
// GNU vtable garbage collection extensions.
|
||||
R_X86_64_GNU_VTINHERIT = 250,
|
||||
R_X86_64_GNU_VTENTRY = 251
|
||||
|
||||
@@ -2928,6 +2928,7 @@ tc_i386_fix_adjustable (fixS *fixP ATTRIBUTE_UNUSED)
|
||||
|| fixP->fx_r_type == BFD_RELOC_386_GOTOFF
|
||||
|| fixP->fx_r_type == BFD_RELOC_386_PLT32
|
||||
|| fixP->fx_r_type == BFD_RELOC_386_GOT32
|
||||
|| fixP->fx_r_type == BFD_RELOC_386_GOT32X
|
||||
|| fixP->fx_r_type == BFD_RELOC_386_TLS_GD
|
||||
|| fixP->fx_r_type == BFD_RELOC_386_TLS_LDM
|
||||
|| fixP->fx_r_type == BFD_RELOC_386_TLS_LDO_32
|
||||
@@ -2941,6 +2942,8 @@ tc_i386_fix_adjustable (fixS *fixP ATTRIBUTE_UNUSED)
|
||||
|| fixP->fx_r_type == BFD_RELOC_X86_64_PLT32
|
||||
|| fixP->fx_r_type == BFD_RELOC_X86_64_GOT32
|
||||
|| fixP->fx_r_type == BFD_RELOC_X86_64_GOTPCREL
|
||||
|| fixP->fx_r_type == BFD_RELOC_X86_64_GOTPCRELX
|
||||
|| fixP->fx_r_type == BFD_RELOC_X86_64_REX_GOTPCRELX
|
||||
|| fixP->fx_r_type == BFD_RELOC_X86_64_TLSGD
|
||||
|| fixP->fx_r_type == BFD_RELOC_X86_64_TLSLD
|
||||
|| fixP->fx_r_type == BFD_RELOC_X86_64_DTPOFF32
|
||||
@@ -4791,6 +4794,10 @@ match_template (void)
|
||||
}
|
||||
}
|
||||
|
||||
/* Force 0x8b encoding for "mov foo@GOT, %eax". */
|
||||
if (i.reloc[0] == BFD_RELOC_386_GOT32 && t->base_opcode == 0xa0)
|
||||
continue;
|
||||
|
||||
/* We check register size if needed. */
|
||||
check_register = t->opcode_modifier.checkregsize;
|
||||
overlap0 = operand_type_and (i.types[0], operand_types[0]);
|
||||
@@ -7157,6 +7164,7 @@ output_disp (fragS *insn_start_frag, offsetT insn_start_off)
|
||||
int size = disp_size (n);
|
||||
int sign = i.types[n].bitfield.disp32s;
|
||||
int pcrel = (i.flags[n] & Operand_PCrel) != 0;
|
||||
fixS *fixP;
|
||||
|
||||
/* We can't have 8 bit displacement here. */
|
||||
gas_assert (!i.types[n].bitfield.disp8);
|
||||
@@ -7225,8 +7233,34 @@ output_disp (fragS *insn_start_frag, offsetT insn_start_off)
|
||||
insn, and that is taken care of in other code. */
|
||||
reloc_type = BFD_RELOC_X86_64_GOTPC32;
|
||||
}
|
||||
fix_new_exp (frag_now, p - frag_now->fr_literal, size,
|
||||
i.op[n].disps, pcrel, reloc_type);
|
||||
fixP = fix_new_exp (frag_now, p - frag_now->fr_literal,
|
||||
size, i.op[n].disps, pcrel,
|
||||
reloc_type);
|
||||
/* Check for "call/jmp *mem", "mov mem, %reg",
|
||||
"test %reg, mem" and "binop mem, %reg" where binop
|
||||
is one of adc, add, and, cmp, or, sbb, sub, xor
|
||||
instructions. */
|
||||
if ((i.rm.mode == 2
|
||||
|| (i.rm.mode == 0 && i.rm.regmem == 5))
|
||||
&& ((i.operands == 1
|
||||
&& i.tm.base_opcode == 0xff
|
||||
&& (i.rm.reg == 2 || i.rm.reg == 4))
|
||||
|| (i.operands == 2
|
||||
&& (i.tm.base_opcode == 0x8b
|
||||
|| i.tm.base_opcode == 0x85
|
||||
|| (i.tm.base_opcode & 0xc7) == 0x03))))
|
||||
{
|
||||
if (object_64bit)
|
||||
{
|
||||
fixP->fx_tcbit = i.rex != 0;
|
||||
if (i.base_reg
|
||||
&& (i.base_reg->reg_num == RegRip
|
||||
|| i.base_reg->reg_num == RegEip))
|
||||
fixP->fx_tcbit2 = 1;
|
||||
}
|
||||
else
|
||||
fixP->fx_tcbit2 = 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -10321,23 +10355,41 @@ s_bss (int ignore ATTRIBUTE_UNUSED)
|
||||
void
|
||||
i386_validate_fix (fixS *fixp)
|
||||
{
|
||||
if (fixp->fx_subsy && fixp->fx_subsy == GOT_symbol)
|
||||
if (fixp->fx_subsy)
|
||||
{
|
||||
if (fixp->fx_r_type == BFD_RELOC_32_PCREL)
|
||||
if (fixp->fx_subsy == GOT_symbol)
|
||||
{
|
||||
if (!object_64bit)
|
||||
abort ();
|
||||
fixp->fx_r_type = BFD_RELOC_X86_64_GOTPCREL;
|
||||
}
|
||||
else
|
||||
{
|
||||
if (!object_64bit)
|
||||
fixp->fx_r_type = BFD_RELOC_386_GOTOFF;
|
||||
if (fixp->fx_r_type == BFD_RELOC_32_PCREL)
|
||||
{
|
||||
if (!object_64bit)
|
||||
abort ();
|
||||
#if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF)
|
||||
if (fixp->fx_tcbit2)
|
||||
fixp->fx_r_type = (fixp->fx_tcbit
|
||||
? BFD_RELOC_X86_64_REX_GOTPCRELX
|
||||
: BFD_RELOC_X86_64_GOTPCRELX);
|
||||
else
|
||||
#endif
|
||||
fixp->fx_r_type = BFD_RELOC_X86_64_GOTPCREL;
|
||||
}
|
||||
else
|
||||
fixp->fx_r_type = BFD_RELOC_X86_64_GOTOFF64;
|
||||
{
|
||||
if (!object_64bit)
|
||||
fixp->fx_r_type = BFD_RELOC_386_GOTOFF;
|
||||
else
|
||||
fixp->fx_r_type = BFD_RELOC_X86_64_GOTOFF64;
|
||||
}
|
||||
fixp->fx_subsy = 0;
|
||||
}
|
||||
fixp->fx_subsy = 0;
|
||||
}
|
||||
#if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF)
|
||||
else if (!object_64bit)
|
||||
{
|
||||
if (fixp->fx_r_type == BFD_RELOC_386_GOT32
|
||||
&& fixp->fx_tcbit2)
|
||||
fixp->fx_r_type = BFD_RELOC_386_GOT32X;
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
arelent *
|
||||
@@ -10371,8 +10423,11 @@ tc_gen_reloc (asection *section ATTRIBUTE_UNUSED, fixS *fixp)
|
||||
case BFD_RELOC_X86_64_PLT32:
|
||||
case BFD_RELOC_X86_64_GOT32:
|
||||
case BFD_RELOC_X86_64_GOTPCREL:
|
||||
case BFD_RELOC_X86_64_GOTPCRELX:
|
||||
case BFD_RELOC_X86_64_REX_GOTPCRELX:
|
||||
case BFD_RELOC_386_PLT32:
|
||||
case BFD_RELOC_386_GOT32:
|
||||
case BFD_RELOC_386_GOT32X:
|
||||
case BFD_RELOC_386_GOTOFF:
|
||||
case BFD_RELOC_386_GOTPC:
|
||||
case BFD_RELOC_386_TLS_GD:
|
||||
@@ -10524,6 +10579,8 @@ tc_gen_reloc (asection *section ATTRIBUTE_UNUSED, fixS *fixp)
|
||||
case BFD_RELOC_X86_64_PLT32:
|
||||
case BFD_RELOC_X86_64_GOT32:
|
||||
case BFD_RELOC_X86_64_GOTPCREL:
|
||||
case BFD_RELOC_X86_64_GOTPCRELX:
|
||||
case BFD_RELOC_X86_64_REX_GOTPCRELX:
|
||||
case BFD_RELOC_X86_64_TLSGD:
|
||||
case BFD_RELOC_X86_64_TLSLD:
|
||||
case BFD_RELOC_X86_64_GOTTPOFF:
|
||||
|
||||
@@ -170,11 +170,12 @@ extern int tc_i386_fix_adjustable (struct fix *);
|
||||
the .o file. GOTOFF and GOT32 do not need to be checked here because
|
||||
they are not pcrel. .*/
|
||||
|
||||
#define TC_FORCE_RELOCATION_LOCAL(FIX) \
|
||||
(!(FIX)->fx_pcrel \
|
||||
|| (FIX)->fx_r_type == BFD_RELOC_386_PLT32 \
|
||||
|| (FIX)->fx_r_type == BFD_RELOC_386_GOTPC \
|
||||
|| (FIX)->fx_r_type == BFD_RELOC_X86_64_GOTPCREL \
|
||||
#define TC_FORCE_RELOCATION_LOCAL(FIX) \
|
||||
(!(FIX)->fx_pcrel \
|
||||
|| (FIX)->fx_r_type == BFD_RELOC_386_PLT32 \
|
||||
|| (FIX)->fx_r_type == BFD_RELOC_386_GOTPC \
|
||||
|| (FIX)->fx_r_type == BFD_RELOC_X86_64_GOTPCRELX \
|
||||
|| (FIX)->fx_r_type == BFD_RELOC_X86_64_REX_GOTPCRELX \
|
||||
|| TC_FORCE_RELOCATION (FIX))
|
||||
|
||||
extern int i386_parse_name (char *, expressionS *, char *);
|
||||
|
||||
29
gas/testsuite/gas/i386/got.d
Normal file
29
gas/testsuite/gas/i386/got.d
Normal file
@@ -0,0 +1,29 @@
|
||||
#objdump: -dwr
|
||||
|
||||
.*: +file format .*
|
||||
|
||||
|
||||
Disassembly of section .text:
|
||||
|
||||
0+ <_start>:
|
||||
[ ]*[a-f0-9]+: b8 00 00 00 00 mov \$0x0,%eax 1: R_386_GOT32 foo
|
||||
[ ]*[a-f0-9]+: 8b 05 00 00 00 00 mov 0x0,%eax 7: R_386_GOT32X foo
|
||||
[ ]*[a-f0-9]+: 8b 80 00 00 00 00 mov 0x0\(%eax\),%eax d: R_386_GOT32X foo
|
||||
[ ]*[a-f0-9]+: 05 00 00 00 00 add \$0x0,%eax 12: R_386_GOT32 foo
|
||||
[ ]*[a-f0-9]+: 03 05 00 00 00 00 add 0x0,%eax 18: R_386_GOT32X foo
|
||||
[ ]*[a-f0-9]+: 03 80 00 00 00 00 add 0x0\(%eax\),%eax 1e: R_386_GOT32X foo
|
||||
[ ]*[a-f0-9]+: ff 15 00 00 00 00 call \*0x0 24: R_386_GOT32X foo
|
||||
[ ]*[a-f0-9]+: ff 90 00 00 00 00 call \*0x0\(%eax\) 2a: R_386_GOT32X foo
|
||||
[ ]*[a-f0-9]+: ff 25 00 00 00 00 jmp \*0x0 30: R_386_GOT32X foo
|
||||
[ ]*[a-f0-9]+: ff a0 00 00 00 00 jmp \*0x0\(%eax\) 36: R_386_GOT32X foo
|
||||
[ ]*[a-f0-9]+: b8 00 00 00 00 mov \$0x0,%eax 3b: R_386_GOT32 foo
|
||||
[ ]*[a-f0-9]+: 8b 05 00 00 00 00 mov 0x0,%eax 41: R_386_GOT32X foo
|
||||
[ ]*[a-f0-9]+: 8b 80 00 00 00 00 mov 0x0\(%eax\),%eax 47: R_386_GOT32X foo
|
||||
[ ]*[a-f0-9]+: 05 00 00 00 00 add \$0x0,%eax 4c: R_386_GOT32 foo
|
||||
[ ]*[a-f0-9]+: 03 05 00 00 00 00 add 0x0,%eax 52: R_386_GOT32X foo
|
||||
[ ]*[a-f0-9]+: 03 80 00 00 00 00 add 0x0\(%eax\),%eax 58: R_386_GOT32X foo
|
||||
[ ]*[a-f0-9]+: ff 90 00 00 00 00 call \*0x0\(%eax\) 5e: R_386_GOT32X foo
|
||||
[ ]*[a-f0-9]+: ff 15 00 00 00 00 call \*0x0 64: R_386_GOT32X foo
|
||||
[ ]*[a-f0-9]+: ff a0 00 00 00 00 jmp \*0x0\(%eax\) 6a: R_386_GOT32X foo
|
||||
[ ]*[a-f0-9]+: ff 25 00 00 00 00 jmp \*0x0 70: R_386_GOT32X foo
|
||||
#pass
|
||||
29
gas/testsuite/gas/i386/got.s
Normal file
29
gas/testsuite/gas/i386/got.s
Normal file
@@ -0,0 +1,29 @@
|
||||
.text
|
||||
_start:
|
||||
movl $foo@GOT, %eax
|
||||
movl foo@GOT, %eax
|
||||
movl foo@GOT(%eax), %eax
|
||||
|
||||
addl $foo@GOT, %eax
|
||||
addl foo@GOT, %eax
|
||||
addl foo@GOT(%eax), %eax
|
||||
|
||||
call *foo@GOT
|
||||
call *foo@GOT(%eax)
|
||||
jmp *foo@GOT
|
||||
jmp *foo@GOT(%eax)
|
||||
|
||||
.intel_syntax noprefix
|
||||
|
||||
mov eax, offset foo@got
|
||||
mov eax, DWORD PTR [foo@GOT]
|
||||
mov eax, DWORD PTR [eax + foo@GOT]
|
||||
|
||||
add eax, offset foo@got
|
||||
add eax, DWORD PTR [foo@GOT]
|
||||
add eax, DWORD PTR [eax + foo@GOT]
|
||||
|
||||
call DWORD PTR [eax + foo@GOT]
|
||||
call DWORD PTR [foo@GOT]
|
||||
jmp DWORD PTR [eax + foo@GOT]
|
||||
jmp DWORD PTR [foo@GOT]
|
||||
@@ -404,6 +404,8 @@ if [expr ([istarget "i*86-*-*"] || [istarget "x86_64-*-*"]) && [gas_32_check]]
|
||||
run_dump_test "relax-3"
|
||||
run_dump_test "relax-4"
|
||||
|
||||
run_dump_test "got"
|
||||
|
||||
if {![istarget "*-*-nacl*"]} then {
|
||||
run_dump_test "iamcu-1"
|
||||
run_dump_test "iamcu-2"
|
||||
@@ -778,6 +780,8 @@ if [expr ([istarget "i*86-*-*"] || [istarget "x86_64-*-*"]) && [gas_64_check]] t
|
||||
run_dump_test "x86-64-jump"
|
||||
run_dump_test "x86-64-branch-2"
|
||||
run_list_test "x86-64-branch-3" "-al -mintel64"
|
||||
|
||||
run_dump_test "x86-64-gotpcrel"
|
||||
}
|
||||
|
||||
set ASFLAGS "$old_ASFLAGS"
|
||||
|
||||
27
gas/testsuite/gas/i386/ilp32/x86-64-gotpcrel.d
Normal file
27
gas/testsuite/gas/i386/ilp32/x86-64-gotpcrel.d
Normal file
@@ -0,0 +1,27 @@
|
||||
#source: ../x86-64-gotpcrel.s
|
||||
#objdump: -dwr
|
||||
#name: x86-64 (ILP32) gotpcrel
|
||||
|
||||
.*: +file format .*
|
||||
|
||||
|
||||
Disassembly of section .text:
|
||||
|
||||
0+ <_start>:
|
||||
[ ]*[a-f0-9]+: 48 c7 c0 00 00 00 00 mov \$0x0,%rax 3: R_X86_64_GOTPCREL foo
|
||||
[ ]*[a-f0-9]+: 48 8b 04 25 00 00 00 00 mov 0x0,%rax b: R_X86_64_GOTPCREL foo
|
||||
[ ]*[a-f0-9]+: 48 8b 05 00 00 00 00 mov 0x0\(%rip\),%rax # 16 <_start\+0x16> 12: R_X86_64_REX_GOTPCRELX foo-0x4
|
||||
[ ]*[a-f0-9]+: 48 8b 81 00 00 00 00 mov 0x0\(%rcx\),%rax 19: R_X86_64_GOTPCREL foo
|
||||
[ ]*[a-f0-9]+: ff 15 00 00 00 00 callq \*0x0\(%rip\) # 23 <_start\+0x23> 1f: R_X86_64_GOTPCRELX foo-0x4
|
||||
[ ]*[a-f0-9]+: ff 90 00 00 00 00 callq \*0x0\(%rax\) 25: R_X86_64_GOTPCREL foo
|
||||
[ ]*[a-f0-9]+: ff 25 00 00 00 00 jmpq \*0x0\(%rip\) # 2f <_start\+0x2f> 2b: R_X86_64_GOTPCRELX foo-0x4
|
||||
[ ]*[a-f0-9]+: ff a1 00 00 00 00 jmpq \*0x0\(%rcx\) 31: R_X86_64_GOTPCREL foo
|
||||
[ ]*[a-f0-9]+: 48 c7 c0 00 00 00 00 mov \$0x0,%rax 38: R_X86_64_GOTPCREL foo
|
||||
[ ]*[a-f0-9]+: 48 8b 04 25 00 00 00 00 mov 0x0,%rax 40: R_X86_64_GOTPCREL foo
|
||||
[ ]*[a-f0-9]+: 48 8b 05 00 00 00 00 mov 0x0\(%rip\),%rax # 4b <_start\+0x4b> 47: R_X86_64_REX_GOTPCRELX foo-0x4
|
||||
[ ]*[a-f0-9]+: 48 8b 81 00 00 00 00 mov 0x0\(%rcx\),%rax 4e: R_X86_64_GOTPCREL foo
|
||||
[ ]*[a-f0-9]+: ff 15 00 00 00 00 callq \*0x0\(%rip\) # 58 <_start\+0x58> 54: R_X86_64_GOTPCRELX foo-0x4
|
||||
[ ]*[a-f0-9]+: ff 90 00 00 00 00 callq \*0x0\(%rax\) 5a: R_X86_64_GOTPCREL foo
|
||||
[ ]*[a-f0-9]+: ff 25 00 00 00 00 jmpq \*0x0\(%rip\) # 64 <_start\+0x64> 60: R_X86_64_GOTPCRELX foo-0x4
|
||||
[ ]*[a-f0-9]+: ff a1 00 00 00 00 jmpq \*0x0\(%rcx\) 66: R_X86_64_GOTPCREL foo
|
||||
#pass
|
||||
@@ -1,10 +1,10 @@
|
||||
#source: ../x86-64-localpic.s
|
||||
#readelf: -rs
|
||||
#readelf: -rsW
|
||||
#name: x86-64 (ILP32) local PIC
|
||||
|
||||
Relocation section '.rela.text' at offset 0x[0-9a-f]+ contains 1 entries:
|
||||
Offset Info Type Sym.Value Sym. Name \+ Addend
|
||||
[0-9a-f]+ +[0-9a-f]+ R_X86_64_GOTPCREL +[0-9a-f]+ +foo - 4
|
||||
+Offset +Info +Type +Sym. Value +Symbol's Name \+ Addend
|
||||
[0-9a-f]+ +[0-9a-f]+ R_X86_64_REX_GOTPCRELX +[0-9a-f]+ +foo - 4
|
||||
#...
|
||||
+[0-9]+: +[0-9a-f]+ +[0-9a-f]+ +NOTYPE +LOCAL +DEFAULT +[0-9]+ +foo
|
||||
#pass
|
||||
|
||||
@@ -3,7 +3,7 @@
|
||||
|
||||
Relocation section '.rel.text' at offset 0x[0-9a-f]+ contains 1 entries:
|
||||
Offset Info Type Sym.Value Sym. Name
|
||||
[0-9a-f]+ +[0-9a-f]+ R_386_GOT32 +[0-9a-f]+ +foo
|
||||
[0-9a-f]+ +[0-9a-f]+ R_386_GOT32X +[0-9a-f]+ +foo
|
||||
#...
|
||||
+[0-9]+: +[0-9a-f]+ +[0-9a-f]+ +NOTYPE +LOCAL +DEFAULT +[0-9]+ +foo
|
||||
#pass
|
||||
|
||||
@@ -6,9 +6,9 @@
|
||||
|
||||
RELOCATION RECORDS FOR \[.text\]:
|
||||
OFFSET[ ]+TYPE[ ]+VALUE[ ]*
|
||||
[0-9a-f]+[ ]+R_386_GOT32[ ]+xtrn[ ]*
|
||||
[0-9a-f]+[ ]+R_386_GOT32X[ ]+xtrn[ ]*
|
||||
[0-9a-f]+[ ]+R_386_PLT32[ ]+xtrn[ ]*
|
||||
[0-9a-f]+[ ]+R_386_GOT32[ ]+xtrn[ ]*
|
||||
[0-9a-f]+[ ]+R_386_GOT32X[ ]+xtrn[ ]*
|
||||
[0-9a-f]+[ ]+R_386_PLT32[ ]+xtrn[ ]*
|
||||
[0-9a-f]+[ ]+R_386_GOT32[ ]+xtrn[ ]*
|
||||
[0-9a-f]+[ ]+R_386_GOT32X[ ]+xtrn[ ]*
|
||||
[0-9a-f]+[ ]+R_386_PLT32[ ]+xtrn[ ]*
|
||||
|
||||
@@ -18,7 +18,7 @@ Disassembly of section \.text:
|
||||
.*[ ]+R_386_PC32[ ]+xtrn
|
||||
.*[ ]+R_386_PC8[ ]+xtrn
|
||||
.*[ ]+R_386_GOT32[ ]+xtrn
|
||||
.*[ ]+R_386_GOT32[ ]+xtrn
|
||||
.*[ ]+R_386_GOT32X[ ]+xtrn
|
||||
.*[ ]+R_386_GOTOFF[ ]+xtrn
|
||||
.*[ ]+R_386_GOTOFF[ ]+xtrn
|
||||
.*[ ]+R_386_GOTPC[ ]+_GLOBAL_OFFSET_TABLE_
|
||||
|
||||
25
gas/testsuite/gas/i386/x86-64-gotpcrel.d
Normal file
25
gas/testsuite/gas/i386/x86-64-gotpcrel.d
Normal file
@@ -0,0 +1,25 @@
|
||||
#objdump: -dwr
|
||||
|
||||
.*: +file format .*
|
||||
|
||||
|
||||
Disassembly of section .text:
|
||||
|
||||
0+ <_start>:
|
||||
[ ]*[a-f0-9]+: 48 c7 c0 00 00 00 00 mov \$0x0,%rax 3: R_X86_64_GOTPCREL foo
|
||||
[ ]*[a-f0-9]+: 48 8b 04 25 00 00 00 00 mov 0x0,%rax b: R_X86_64_GOTPCREL foo
|
||||
[ ]*[a-f0-9]+: 48 8b 05 00 00 00 00 mov 0x0\(%rip\),%rax # 16 <_start\+0x16> 12: R_X86_64_REX_GOTPCRELX foo-0x4
|
||||
[ ]*[a-f0-9]+: 48 8b 81 00 00 00 00 mov 0x0\(%rcx\),%rax 19: R_X86_64_GOTPCREL foo
|
||||
[ ]*[a-f0-9]+: ff 15 00 00 00 00 callq \*0x0\(%rip\) # 23 <_start\+0x23> 1f: R_X86_64_GOTPCRELX foo-0x4
|
||||
[ ]*[a-f0-9]+: ff 90 00 00 00 00 callq \*0x0\(%rax\) 25: R_X86_64_GOTPCREL foo
|
||||
[ ]*[a-f0-9]+: ff 25 00 00 00 00 jmpq \*0x0\(%rip\) # 2f <_start\+0x2f> 2b: R_X86_64_GOTPCRELX foo-0x4
|
||||
[ ]*[a-f0-9]+: ff a1 00 00 00 00 jmpq \*0x0\(%rcx\) 31: R_X86_64_GOTPCREL foo
|
||||
[ ]*[a-f0-9]+: 48 c7 c0 00 00 00 00 mov \$0x0,%rax 38: R_X86_64_GOTPCREL foo
|
||||
[ ]*[a-f0-9]+: 48 8b 04 25 00 00 00 00 mov 0x0,%rax 40: R_X86_64_GOTPCREL foo
|
||||
[ ]*[a-f0-9]+: 48 8b 05 00 00 00 00 mov 0x0\(%rip\),%rax # 4b <_start\+0x4b> 47: R_X86_64_REX_GOTPCRELX foo-0x4
|
||||
[ ]*[a-f0-9]+: 48 8b 81 00 00 00 00 mov 0x0\(%rcx\),%rax 4e: R_X86_64_GOTPCREL foo
|
||||
[ ]*[a-f0-9]+: ff 15 00 00 00 00 callq \*0x0\(%rip\) # 58 <_start\+0x58> 54: R_X86_64_GOTPCRELX foo-0x4
|
||||
[ ]*[a-f0-9]+: ff 90 00 00 00 00 callq \*0x0\(%rax\) 5a: R_X86_64_GOTPCREL foo
|
||||
[ ]*[a-f0-9]+: ff 25 00 00 00 00 jmpq \*0x0\(%rip\) # 64 <_start\+0x64> 60: R_X86_64_GOTPCRELX foo-0x4
|
||||
[ ]*[a-f0-9]+: ff a1 00 00 00 00 jmpq \*0x0\(%rcx\) 66: R_X86_64_GOTPCREL foo
|
||||
#pass
|
||||
23
gas/testsuite/gas/i386/x86-64-gotpcrel.s
Normal file
23
gas/testsuite/gas/i386/x86-64-gotpcrel.s
Normal file
@@ -0,0 +1,23 @@
|
||||
.text
|
||||
_start:
|
||||
movq $foo@GOTPCREL, %rax
|
||||
movq foo@GOTPCREL, %rax
|
||||
movq foo@GOTPCREL(%rip), %rax
|
||||
movq foo@GOTPCREL(%rcx), %rax
|
||||
|
||||
call *foo@GOTPCREL(%rip)
|
||||
call *foo@GOTPCREL(%rax)
|
||||
jmp *foo@GOTPCREL(%rip)
|
||||
jmp *foo@GOTPCREL(%rcx)
|
||||
|
||||
.intel_syntax noprefix
|
||||
|
||||
mov rax, offset foo@gotpcrel
|
||||
mov rax, QWORD PTR [foo@GOTPCREL]
|
||||
mov rax, QWORD PTR [rip + foo@GOTPCREL]
|
||||
mov rax, QWORD PTR [rcx + foo@GOTPCREL]
|
||||
|
||||
call QWORD PTR [rip + foo@GOTPCREL]
|
||||
call QWORD PTR [rax + foo@GOTPCREL]
|
||||
jmp QWORD PTR [rip + foo@GOTPCREL]
|
||||
jmp QWORD PTR [rcx + foo@GOTPCREL]
|
||||
@@ -1,9 +1,9 @@
|
||||
#readelf: -rs
|
||||
#readelf: -rsW
|
||||
#name: x86-64 local PIC
|
||||
|
||||
Relocation section '.rela.text' at offset 0x[0-9a-f]+ contains 1 entries:
|
||||
Offset Info Type Sym. Value Sym. Name \+ Addend
|
||||
[0-9a-f]+ +[0-9a-f]+ R_X86_64_GOTPCREL +[0-9a-f]+ +foo - 4
|
||||
+Offset +Info +Type +Symbol's Value +Symbol's Name \+ Addend
|
||||
[0-9a-f]+ +[0-9a-f]+ R_X86_64_REX_GOTPCRELX +[0-9a-f]+ +foo - 4
|
||||
#...
|
||||
+[0-9]+: +[0-9a-f]+ +[0-9a-f]+ +NOTYPE +LOCAL +DEFAULT +[0-9]+ +foo
|
||||
#pass
|
||||
|
||||
@@ -1690,6 +1690,7 @@ Target_i386::Scan::get_reference_flags(unsigned int r_type)
|
||||
return Symbol::FUNCTION_CALL | Symbol::RELATIVE_REF;
|
||||
|
||||
case elfcpp::R_386_GOT32:
|
||||
case elfcpp::R_386_GOT32X:
|
||||
// Absolute in GOT.
|
||||
return Symbol::ABSOLUTE_REF;
|
||||
|
||||
@@ -1854,6 +1855,7 @@ Target_i386::Scan::local(Symbol_table* symtab,
|
||||
break;
|
||||
|
||||
case elfcpp::R_386_GOT32:
|
||||
case elfcpp::R_386_GOT32X:
|
||||
{
|
||||
// We need GOT section.
|
||||
Output_data_got<32, false>* got = target->got_section(symtab, layout);
|
||||
@@ -2105,6 +2107,7 @@ Target_i386::Scan::possible_function_pointer_reloc(unsigned int r_type)
|
||||
case elfcpp::R_386_8:
|
||||
case elfcpp::R_386_GOTOFF:
|
||||
case elfcpp::R_386_GOT32:
|
||||
case elfcpp::R_386_GOT32X:
|
||||
{
|
||||
return true;
|
||||
}
|
||||
@@ -2266,6 +2269,7 @@ Target_i386::Scan::global(Symbol_table* symtab,
|
||||
break;
|
||||
|
||||
case elfcpp::R_386_GOT32:
|
||||
case elfcpp::R_386_GOT32X:
|
||||
{
|
||||
// The symbol requires a GOT section.
|
||||
Output_data_got<32, false>* got = target->got_section(symtab, layout);
|
||||
@@ -2834,6 +2838,7 @@ Target_i386::Relocate::relocate(const Relocate_info<32, false>* relinfo,
|
||||
break;
|
||||
|
||||
case elfcpp::R_386_GOT32:
|
||||
case elfcpp::R_386_GOT32X:
|
||||
// Convert
|
||||
// mov foo@GOT(%reg), %reg
|
||||
// to
|
||||
@@ -3617,6 +3622,7 @@ Target_i386::Relocatable_size_for_reloc::get_size_for_reloc(
|
||||
case elfcpp::R_386_32:
|
||||
case elfcpp::R_386_PC32:
|
||||
case elfcpp::R_386_GOT32:
|
||||
case elfcpp::R_386_GOT32X:
|
||||
case elfcpp::R_386_PLT32:
|
||||
case elfcpp::R_386_GOTOFF:
|
||||
case elfcpp::R_386_GOTPC:
|
||||
|
||||
@@ -2191,6 +2191,8 @@ Target_x86_64<size>::Scan::get_reference_flags(unsigned int r_type)
|
||||
case elfcpp::R_X86_64_GOT32:
|
||||
case elfcpp::R_X86_64_GOTPCREL64:
|
||||
case elfcpp::R_X86_64_GOTPCREL:
|
||||
case elfcpp::R_X86_64_GOTPCRELX:
|
||||
case elfcpp::R_X86_64_REX_GOTPCRELX:
|
||||
case elfcpp::R_X86_64_GOTPLT64:
|
||||
// Absolute in GOT.
|
||||
return Symbol::ABSOLUTE_REF;
|
||||
@@ -2475,6 +2477,8 @@ Target_x86_64<size>::Scan::local(Symbol_table* symtab,
|
||||
case elfcpp::R_X86_64_GOT32:
|
||||
case elfcpp::R_X86_64_GOTPCREL64:
|
||||
case elfcpp::R_X86_64_GOTPCREL:
|
||||
case elfcpp::R_X86_64_GOTPCRELX:
|
||||
case elfcpp::R_X86_64_REX_GOTPCRELX:
|
||||
case elfcpp::R_X86_64_GOTPLT64:
|
||||
{
|
||||
// The symbol requires a GOT section.
|
||||
@@ -2485,7 +2489,9 @@ Target_x86_64<size>::Scan::local(Symbol_table* symtab,
|
||||
// mov foo@GOTPCREL(%rip), %reg
|
||||
// to lea foo(%rip), %reg.
|
||||
// in Relocate::relocate.
|
||||
if (r_type == elfcpp::R_X86_64_GOTPCREL
|
||||
if ((r_type == elfcpp::R_X86_64_GOTPCREL
|
||||
|| r_type == elfcpp::R_X86_64_GOTPCRELX
|
||||
|| r_type == elfcpp::R_X86_64_REX_GOTPCRELX)
|
||||
&& reloc.get_r_offset() >= 2
|
||||
&& !is_ifunc)
|
||||
{
|
||||
@@ -2713,6 +2719,8 @@ Target_x86_64<size>::Scan::possible_function_pointer_reloc(unsigned int r_type)
|
||||
case elfcpp::R_X86_64_GOT32:
|
||||
case elfcpp::R_X86_64_GOTPCREL64:
|
||||
case elfcpp::R_X86_64_GOTPCREL:
|
||||
case elfcpp::R_X86_64_GOTPCRELX:
|
||||
case elfcpp::R_X86_64_REX_GOTPCRELX:
|
||||
case elfcpp::R_X86_64_GOTPLT64:
|
||||
{
|
||||
return true;
|
||||
@@ -2901,6 +2909,8 @@ Target_x86_64<size>::Scan::global(Symbol_table* symtab,
|
||||
case elfcpp::R_X86_64_GOT32:
|
||||
case elfcpp::R_X86_64_GOTPCREL64:
|
||||
case elfcpp::R_X86_64_GOTPCREL:
|
||||
case elfcpp::R_X86_64_GOTPCRELX:
|
||||
case elfcpp::R_X86_64_REX_GOTPCRELX:
|
||||
case elfcpp::R_X86_64_GOTPLT64:
|
||||
{
|
||||
// The symbol requires a GOT entry.
|
||||
@@ -2910,7 +2920,9 @@ Target_x86_64<size>::Scan::global(Symbol_table* symtab,
|
||||
// mov foo@GOTPCREL(%rip), %reg
|
||||
// to lea foo(%rip), %reg.
|
||||
// in Relocate::relocate, then there is nothing to do here.
|
||||
if (r_type == elfcpp::R_X86_64_GOTPCREL
|
||||
if ((r_type == elfcpp::R_X86_64_GOTPCREL
|
||||
|| r_type == elfcpp::R_X86_64_GOTPCRELX
|
||||
|| r_type == elfcpp::R_X86_64_REX_GOTPCRELX)
|
||||
&& reloc.get_r_offset() >= 2
|
||||
&& Target_x86_64<size>::can_convert_mov_to_lea(gsym))
|
||||
{
|
||||
@@ -3538,6 +3550,8 @@ Target_x86_64<size>::Relocate::relocate(
|
||||
break;
|
||||
|
||||
case elfcpp::R_X86_64_GOTPCREL:
|
||||
case elfcpp::R_X86_64_GOTPCRELX:
|
||||
case elfcpp::R_X86_64_REX_GOTPCRELX:
|
||||
{
|
||||
// Convert
|
||||
// mov foo@GOTPCREL(%rip), %reg
|
||||
@@ -4320,6 +4334,8 @@ Target_x86_64<size>::Relocatable_size_for_reloc::get_size_for_reloc(
|
||||
case elfcpp::R_X86_64_GOT64:
|
||||
case elfcpp::R_X86_64_GOTPCREL64:
|
||||
case elfcpp::R_X86_64_GOTPCREL:
|
||||
case elfcpp::R_X86_64_GOTPCRELX:
|
||||
case elfcpp::R_X86_64_REX_GOTPCRELX:
|
||||
case elfcpp::R_X86_64_GOTPLT64:
|
||||
return 8;
|
||||
|
||||
|
||||
@@ -434,6 +434,12 @@ struct bfd_link_info
|
||||
/* TRUE if generation of .interp/PT_INTERP should be suppressed. */
|
||||
unsigned int nointerp: 1;
|
||||
|
||||
/* TRUE if generate a 1-byte NOP as suffix for x86 call instruction. */
|
||||
unsigned int call_nop_as_suffix : 1;
|
||||
|
||||
/* The 1-byte NOP for x86 call instruction. */
|
||||
char call_nop_byte;
|
||||
|
||||
/* Char that may appear as the first char of a symbol, but should be
|
||||
skipped (like symbol_leading_char) when looking up symbols in
|
||||
wrap_hash. Used by PowerPC Linux for 'dot' symbols. */
|
||||
|
||||
@@ -66,6 +66,8 @@ START_RELOC_NUMBERS (elf_i386_reloc_type)
|
||||
RELOC_NUMBER (R_386_TLS_DESC_CALL,40)
|
||||
RELOC_NUMBER (R_386_TLS_DESC, 41)
|
||||
RELOC_NUMBER (R_386_IRELATIVE, 42) /* Adjust indirectly by program base */
|
||||
/* Load from 32 bit GOT entry, relaxable. */
|
||||
RELOC_NUMBER (R_386_GOT32X, 43)
|
||||
|
||||
/* Used by Intel. */
|
||||
RELOC_NUMBER (R_386_USED_BY_INTEL_200, 200)
|
||||
|
||||
@@ -72,10 +72,16 @@ START_RELOC_NUMBERS (elf_x86_64_reloc_type)
|
||||
RELOC_NUMBER (R_X86_64_TLSDESC, 36) /* 2x64-bit TLS descriptor. */
|
||||
RELOC_NUMBER (R_X86_64_IRELATIVE, 37) /* Adjust indirectly by program base */
|
||||
RELOC_NUMBER (R_X86_64_RELATIVE64, 38) /* 64bit adjust by program base */
|
||||
RELOC_NUMBER (R_X86_64_PC32_BND, 39) /* PC relative 32 bit
|
||||
signed with BND prefix */
|
||||
RELOC_NUMBER (R_X86_64_PLT32_BND, 40) /* 32 bit PLT address with
|
||||
BND prefix */
|
||||
RELOC_NUMBER (R_X86_64_PC32_BND, 39) /* PC relative 32 bit
|
||||
signed with BND prefix */
|
||||
RELOC_NUMBER (R_X86_64_PLT32_BND, 40) /* 32 bit PLT address with
|
||||
BND prefix */
|
||||
/* Load from 32 bit signed pc relative offset to GOT entry without
|
||||
REX prefix, relaxable. */
|
||||
RELOC_NUMBER (R_X86_64_GOTPCRELX, 41)
|
||||
/* Load from 32 bit signed pc relative offset to GOT entry with
|
||||
REX prefix, relaxable. */
|
||||
RELOC_NUMBER (R_X86_64_REX_GOTPCRELX, 42)
|
||||
RELOC_NUMBER (R_X86_64_GNU_VTINHERIT, 250) /* GNU C++ hack */
|
||||
RELOC_NUMBER (R_X86_64_GNU_VTENTRY, 251) /* GNU C++ hack */
|
||||
END_RELOC_NUMBERS (R_X86_64_max)
|
||||
|
||||
48
ld/emulparams/call_nop.sh
Normal file
48
ld/emulparams/call_nop.sh
Normal file
@@ -0,0 +1,48 @@
|
||||
PARSE_AND_LIST_OPTIONS_CALL_NOP='
|
||||
fprintf (file, _("\
|
||||
-z call-nop=PADDING Use PADDING as 1-byte NOP for branch\n"));
|
||||
'
|
||||
PARSE_AND_LIST_ARGS_CASE_Z_CALL_NOP='
|
||||
else if (strncmp (optarg, "call-nop=", 9) == 0)
|
||||
{
|
||||
if (strcmp (optarg + 9, "prefix-addr") == 0)
|
||||
{
|
||||
link_info.call_nop_as_suffix = FALSE;
|
||||
link_info.call_nop_byte = 0x67;
|
||||
}
|
||||
else if (strcmp (optarg + 9, "prefix-nop") == 0)
|
||||
{
|
||||
link_info.call_nop_as_suffix = FALSE;
|
||||
link_info.call_nop_byte = 0x90;
|
||||
}
|
||||
else if (strcmp (optarg + 9, "suffix-nop") == 0)
|
||||
{
|
||||
link_info.call_nop_as_suffix = TRUE;
|
||||
link_info.call_nop_byte = 0x90;
|
||||
}
|
||||
else if (strncmp (optarg + 9, "prefix-", 7) == 0)
|
||||
{
|
||||
char *end;
|
||||
link_info.call_nop_byte = strtoul (optarg + 16 , &end, 0);
|
||||
if (*end)
|
||||
einfo (_("%P%F: invalid number for -z call-nop=prefix-: %s\n"),
|
||||
optarg + 16);
|
||||
link_info.call_nop_as_suffix = FALSE;
|
||||
}
|
||||
else if (strncmp (optarg + 9, "suffix-", 7) == 0)
|
||||
{
|
||||
char *end;
|
||||
link_info.call_nop_byte = strtoul (optarg + 16, &end, 0);
|
||||
if (*end)
|
||||
einfo (_("%P%F: invalid number for -z call-nop=suffix-: %s\n"),
|
||||
optarg + 16);
|
||||
link_info.call_nop_as_suffix = TRUE;
|
||||
}
|
||||
else
|
||||
einfo (_("%P%F: unsupported option: -z %s\n"), optarg);
|
||||
}
|
||||
'
|
||||
|
||||
PARSE_AND_LIST_OPTIONS="$PARSE_AND_LIST_OPTIONS $PARSE_AND_LIST_OPTIONS_CALL_NOP"
|
||||
PARSE_AND_LIST_ARGS_CASE_Z="$PARSE_AND_LIST_ARGS_CASE_Z $PARSE_AND_LIST_ARGS_CASE_Z_CALL_NOP"
|
||||
CALL_NOP_BYTE=0x67
|
||||
@@ -1,5 +1,6 @@
|
||||
. ${srcdir}/emulparams/plt_unwind.sh
|
||||
. ${srcdir}/emulparams/extern_protected_data.sh
|
||||
. ${srcdir}/emulparams/call_nop.sh
|
||||
SCRIPT_NAME=elf
|
||||
ELFSIZE=32
|
||||
OUTPUT_FORMAT="elf32-x86-64"
|
||||
|
||||
@@ -1,5 +1,6 @@
|
||||
. ${srcdir}/emulparams/plt_unwind.sh
|
||||
. ${srcdir}/emulparams/extern_protected_data.sh
|
||||
. ${srcdir}/emulparams/call_nop.sh
|
||||
SCRIPT_NAME=elf
|
||||
OUTPUT_FORMAT="elf32-i386"
|
||||
NO_RELA_RELOCS=yes
|
||||
|
||||
@@ -1,4 +1,5 @@
|
||||
. ${srcdir}/emulparams/extern_protected_data.sh
|
||||
. ${srcdir}/emulparams/call_nop.sh
|
||||
SCRIPT_NAME=elf
|
||||
OUTPUT_FORMAT="elf32-i386"
|
||||
NO_RELA_RELOCS=yes
|
||||
|
||||
@@ -1,5 +1,6 @@
|
||||
. ${srcdir}/emulparams/plt_unwind.sh
|
||||
. ${srcdir}/emulparams/extern_protected_data.sh
|
||||
. ${srcdir}/emulparams/call_nop.sh
|
||||
SCRIPT_NAME=elf_chaos
|
||||
OUTPUT_FORMAT="elf32-i386"
|
||||
TEXT_START_ADDR=0x40000000
|
||||
|
||||
@@ -1,5 +1,6 @@
|
||||
. ${srcdir}/emulparams/plt_unwind.sh
|
||||
. ${srcdir}/emulparams/extern_protected_data.sh
|
||||
. ${srcdir}/emulparams/call_nop.sh
|
||||
SCRIPT_NAME=elf
|
||||
OUTPUT_FORMAT="elf32-i386"
|
||||
NO_RELA_RELOCS=yes
|
||||
|
||||
@@ -12,3 +12,4 @@ GENERATE_PIE_SCRIPT=yes
|
||||
NO_SMALL_DATA=yes
|
||||
. ${srcdir}/emulparams/vxworks.sh
|
||||
. ${srcdir}/emulparams/extern_protected_data.sh
|
||||
. ${srcdir}/emulparams/call_nop.sh
|
||||
|
||||
@@ -1,5 +1,6 @@
|
||||
. ${srcdir}/emulparams/plt_unwind.sh
|
||||
. ${srcdir}/emulparams/extern_protected_data.sh
|
||||
. ${srcdir}/emulparams/call_nop.sh
|
||||
SCRIPT_NAME=elf
|
||||
OUTPUT_FORMAT="elf32-iamcu"
|
||||
NO_RELA_RELOCS=yes
|
||||
|
||||
@@ -1,5 +1,6 @@
|
||||
. ${srcdir}/emulparams/plt_unwind.sh
|
||||
. ${srcdir}/emulparams/extern_protected_data.sh
|
||||
. ${srcdir}/emulparams/call_nop.sh
|
||||
SCRIPT_NAME=elf
|
||||
ELFSIZE=64
|
||||
OUTPUT_FORMAT="elf64-k1om"
|
||||
|
||||
@@ -1,5 +1,6 @@
|
||||
. ${srcdir}/emulparams/plt_unwind.sh
|
||||
. ${srcdir}/emulparams/extern_protected_data.sh
|
||||
. ${srcdir}/emulparams/call_nop.sh
|
||||
SCRIPT_NAME=elf
|
||||
ELFSIZE=64
|
||||
OUTPUT_FORMAT="elf64-l1om"
|
||||
|
||||
@@ -1,5 +1,6 @@
|
||||
. ${srcdir}/emulparams/plt_unwind.sh
|
||||
. ${srcdir}/emulparams/extern_protected_data.sh
|
||||
. ${srcdir}/emulparams/call_nop.sh
|
||||
SCRIPT_NAME=elf
|
||||
ELFSIZE=64
|
||||
OUTPUT_FORMAT="elf64-x86-64"
|
||||
|
||||
@@ -103,6 +103,7 @@ gld${EMULATION_NAME}_before_parse (void)
|
||||
input_flags.dynamic = ${DYNAMIC_LINK-TRUE};
|
||||
config.has_shared = `if test -n "$GENERATE_SHLIB_SCRIPT" ; then echo TRUE ; else echo FALSE ; fi`;
|
||||
config.separate_code = `if test "x${SEPARATE_CODE}" = xyes ; then echo TRUE ; else echo FALSE ; fi`;
|
||||
`if test -n "$CALL_NOP_BYTE" ; then echo link_info.call_nop_byte = $CALL_NOP_BYTE; fi`;
|
||||
}
|
||||
|
||||
EOF
|
||||
|
||||
@@ -1199,6 +1199,20 @@ generated by compiler. Updates on protected data symbols by another
|
||||
module aren't visible to the resulting shared library. Supported for
|
||||
i386 and x86-64.
|
||||
|
||||
@item call-nop=prefix-addr
|
||||
@itemx call-nop=prefix-nop
|
||||
@itemx call-nop=suffix-nop
|
||||
@itemx call-nop=prefix-@var{byte}
|
||||
@itemx call-nop=suffix-@var{byte}
|
||||
Specify the 1-byte @code{NOP} padding when transforming indirect call
|
||||
to a locally defined function, foo, via its GOT slot.
|
||||
@option{call-nop=prefix-addr} generates @code{0x67 call foo}.
|
||||
@option{call-nop=prefix-nop} generates @code{0x90 call foo}.
|
||||
@option{call-nop=suffix-nop} generates @code{call foo 0x90}.
|
||||
@option{call-nop=prefix-@var{byte}} generates @code{@var{byte} call foo}.
|
||||
@option{call-nop=suffix-@var{byte}} generates @code{call foo @var{byte}}.
|
||||
Supported for i386 and x86_64.
|
||||
|
||||
@end table
|
||||
|
||||
Other keywords are ignored for Solaris compatibility.
|
||||
|
||||
17
ld/testsuite/ld-i386/branch1.d
Normal file
17
ld/testsuite/ld-i386/branch1.d
Normal file
@@ -0,0 +1,17 @@
|
||||
#as: --32
|
||||
#ld: -melf_i386
|
||||
#objdump: -dw
|
||||
|
||||
.*: +file format .*
|
||||
|
||||
|
||||
Disassembly of section .text:
|
||||
|
||||
#...
|
||||
[ ]*[a-f0-9]+: 67 e8 ([0-9a-f]{2} ){4} * addr16 call +[a-f0-9]+ <foo>
|
||||
[ ]*[a-f0-9]+: 67 e8 ([0-9a-f]{2} ){4} * addr16 call +[a-f0-9]+ <bar>
|
||||
[ ]*[a-f0-9]+: e9 ([0-9a-f]{2} ){4} * jmp +[a-f0-9]+ <foo>
|
||||
[ ]*[a-f0-9]+: 90 nop
|
||||
[ ]*[a-f0-9]+: e9 ([0-9a-f]{2} ){4} * jmp +[a-f0-9]+ <bar>
|
||||
[ ]*[a-f0-9]+: 90 nop
|
||||
#pass
|
||||
15
ld/testsuite/ld-i386/branch1.s
Normal file
15
ld/testsuite/ld-i386/branch1.s
Normal file
@@ -0,0 +1,15 @@
|
||||
.text
|
||||
.type bar, @function
|
||||
bar:
|
||||
ret
|
||||
.globl foo
|
||||
.type foo, @function
|
||||
foo:
|
||||
ret
|
||||
.globl _start
|
||||
.type _start, @function
|
||||
_start:
|
||||
call *foo@GOT
|
||||
call *bar@GOT
|
||||
jmp *foo@GOT
|
||||
jmp *bar@GOT
|
||||
3
ld/testsuite/ld-i386/call1.d
Normal file
3
ld/testsuite/ld-i386/call1.d
Normal file
@@ -0,0 +1,3 @@
|
||||
#as: --32
|
||||
#ld: -shared -melf_i386
|
||||
#error: direct GOT relocation R_386_GOT32X against `foo' without base register can not be used when making a shared object
|
||||
9
ld/testsuite/ld-i386/call1.s
Normal file
9
ld/testsuite/ld-i386/call1.s
Normal file
@@ -0,0 +1,9 @@
|
||||
.text
|
||||
.globl foo
|
||||
.type foo, @function
|
||||
foo:
|
||||
ret
|
||||
.globl _start
|
||||
.type _start, @function
|
||||
_start:
|
||||
call *foo@GOT
|
||||
3
ld/testsuite/ld-i386/call2.d
Normal file
3
ld/testsuite/ld-i386/call2.d
Normal file
@@ -0,0 +1,3 @@
|
||||
#as: --32
|
||||
#ld: -shared -melf_i386
|
||||
#error: direct GOT relocation R_386_GOT32X against `foo' without base register can not be used when making a shared object
|
||||
8
ld/testsuite/ld-i386/call2.s
Normal file
8
ld/testsuite/ld-i386/call2.s
Normal file
@@ -0,0 +1,8 @@
|
||||
.text
|
||||
.type foo, @function
|
||||
foo:
|
||||
ret
|
||||
.globl _start
|
||||
.type _start, @function
|
||||
_start:
|
||||
call *foo@GOT
|
||||
9
ld/testsuite/ld-i386/call3.s
Normal file
9
ld/testsuite/ld-i386/call3.s
Normal file
@@ -0,0 +1,9 @@
|
||||
.text
|
||||
.globl foo
|
||||
.type foo, @function
|
||||
foo:
|
||||
ret
|
||||
.globl _start
|
||||
.type _start, @function
|
||||
_start:
|
||||
call *foo@GOT
|
||||
13
ld/testsuite/ld-i386/call3a.d
Normal file
13
ld/testsuite/ld-i386/call3a.d
Normal file
@@ -0,0 +1,13 @@
|
||||
#source: call3.s
|
||||
#as: --32
|
||||
#ld: -melf_i386
|
||||
#objdump: -dw
|
||||
|
||||
.*: +file format .*
|
||||
|
||||
|
||||
Disassembly of section .text:
|
||||
|
||||
#...
|
||||
[ ]*[a-f0-9]+: 67 e8 ([0-9a-f]{2} ){4} * addr16 call +[a-f0-9]+ <foo>
|
||||
#pass
|
||||
13
ld/testsuite/ld-i386/call3b.d
Normal file
13
ld/testsuite/ld-i386/call3b.d
Normal file
@@ -0,0 +1,13 @@
|
||||
#source: call3.s
|
||||
#as: --32
|
||||
#ld: -melf_i386 -z call-nop=prefix-addr
|
||||
#objdump: -dw
|
||||
|
||||
.*: +file format .*
|
||||
|
||||
|
||||
Disassembly of section .text:
|
||||
|
||||
#...
|
||||
[ ]*[a-f0-9]+: 67 e8 ([0-9a-f]{2} ){4} * addr16 call +[a-f0-9]+ <foo>
|
||||
#pass
|
||||
14
ld/testsuite/ld-i386/call3c.d
Normal file
14
ld/testsuite/ld-i386/call3c.d
Normal file
@@ -0,0 +1,14 @@
|
||||
#source: call3.s
|
||||
#as: --32
|
||||
#ld: -melf_i386 -z call-nop=prefix-nop
|
||||
#objdump: -dw
|
||||
|
||||
.*: +file format .*
|
||||
|
||||
|
||||
Disassembly of section .text:
|
||||
|
||||
#...
|
||||
[ ]*[a-f0-9]+: 90 nop
|
||||
[ ]*[a-f0-9]+: e8 ([0-9a-f]{2} ){4} * call +[a-f0-9]+ <foo>
|
||||
#pass
|
||||
14
ld/testsuite/ld-i386/call3d.d
Normal file
14
ld/testsuite/ld-i386/call3d.d
Normal file
@@ -0,0 +1,14 @@
|
||||
#source: call3.s
|
||||
#as: --32
|
||||
#ld: -melf_i386 -z call-nop=suffix-nop
|
||||
#objdump: -dw
|
||||
|
||||
.*: +file format .*
|
||||
|
||||
|
||||
Disassembly of section .text:
|
||||
|
||||
#...
|
||||
[ ]*[a-f0-9]+: e8 ([0-9a-f]{2} ){4} * call +[a-f0-9]+ <foo>
|
||||
[ ]*[a-f0-9]+: 90 nop
|
||||
#pass
|
||||
13
ld/testsuite/ld-i386/call3e.d
Normal file
13
ld/testsuite/ld-i386/call3e.d
Normal file
@@ -0,0 +1,13 @@
|
||||
#source: call3.s
|
||||
#as: --32
|
||||
#ld: -melf_i386 -z call-nop=prefix-0x67
|
||||
#objdump: -dw
|
||||
|
||||
.*: +file format .*
|
||||
|
||||
|
||||
Disassembly of section .text:
|
||||
|
||||
#...
|
||||
[ ]*[a-f0-9]+: 67 e8 ([0-9a-f]{2} ){4} * addr16 call +[a-f0-9]+ <foo>
|
||||
#pass
|
||||
14
ld/testsuite/ld-i386/call3f.d
Normal file
14
ld/testsuite/ld-i386/call3f.d
Normal file
@@ -0,0 +1,14 @@
|
||||
#source: call3.s
|
||||
#as: --32
|
||||
#ld: -melf_i386 -z call-nop=prefix-0x90
|
||||
#objdump: -dw
|
||||
|
||||
.*: +file format .*
|
||||
|
||||
|
||||
Disassembly of section .text:
|
||||
|
||||
#...
|
||||
[ ]*[a-f0-9]+: 90 nop
|
||||
[ ]*[a-f0-9]+: e8 ([0-9a-f]{2} ){4} * call +[a-f0-9]+ <foo>
|
||||
#pass
|
||||
14
ld/testsuite/ld-i386/call3g.d
Normal file
14
ld/testsuite/ld-i386/call3g.d
Normal file
@@ -0,0 +1,14 @@
|
||||
#source: call3.s
|
||||
#as: --32
|
||||
#ld: -melf_i386 -z call-nop=suffix-0x90
|
||||
#objdump: -dw
|
||||
|
||||
.*: +file format .*
|
||||
|
||||
|
||||
Disassembly of section .text:
|
||||
|
||||
#...
|
||||
[ ]*[a-f0-9]+: e8 ([0-9a-f]{2} ){4} * call +[a-f0-9]+ <foo>
|
||||
[ ]*[a-f0-9]+: 90 nop
|
||||
#pass
|
||||
14
ld/testsuite/ld-i386/call3h.d
Normal file
14
ld/testsuite/ld-i386/call3h.d
Normal file
@@ -0,0 +1,14 @@
|
||||
#source: call3.s
|
||||
#as: --32
|
||||
#ld: -melf_i386 -z call-nop=suffix-144
|
||||
#objdump: -dw
|
||||
|
||||
.*: +file format .*
|
||||
|
||||
|
||||
Disassembly of section .text:
|
||||
|
||||
#...
|
||||
[ ]*[a-f0-9]+: e8 ([0-9a-f]{2} ){4} * call +[a-f0-9]+ <foo>
|
||||
[ ]*[a-f0-9]+: 90 nop
|
||||
#pass
|
||||
20
ld/testsuite/ld-i386/got1.dd
Normal file
20
ld/testsuite/ld-i386/got1.dd
Normal file
@@ -0,0 +1,20 @@
|
||||
#...
|
||||
[a-f0-9]+ <main>:
|
||||
[ ]*[a-f0-9]+: 83 ec 0c sub \$0xc,%esp
|
||||
[ ]*[a-f0-9]+: [ a-f0-9]+ addr16 call [a-f0-9]+ <foo>
|
||||
[ ]*[a-f0-9]+: [ a-f0-9]+ call \*0x[a-f0-9]+
|
||||
[ ]*[a-f0-9]+: [ a-f0-9]+ call \*0x[a-f0-9]+
|
||||
[ ]*[a-f0-9]+: [ a-f0-9]+ lea *0x[a-f0-9]+,%eax
|
||||
[ ]*[a-f0-9]+: ff d0 call \*%eax
|
||||
[ ]*[a-f0-9]+: [ a-f0-9]+ mov *0x[a-f0-9]+,%eax
|
||||
[ ]*[a-f0-9]+: ff d0 call \*%eax
|
||||
[ ]*[a-f0-9]+: [ a-f0-9]+ mov *0x[a-f0-9]+,%eax
|
||||
[ ]*[a-f0-9]+: ff d0 call \*%eax
|
||||
[ ]*[a-f0-9]+: [ a-f0-9]+ lea *0x[a-f0-9]+,%ecx
|
||||
[ ]*[a-f0-9]+: ff d1 call \*%ecx
|
||||
[ ]*[a-f0-9]+: 83 ec 0c sub \$0xc,%esp
|
||||
[ ]*[a-f0-9]+: 6a 00 push \$0x0
|
||||
[ ]*[a-f0-9]+: 6a 00 push \$0x0
|
||||
[ ]*[a-f0-9]+: [ a-f0-9]+ jmp [a-f0-9]+ <myexit>
|
||||
[ ]*[a-f0-9]+: 90 nop
|
||||
#pass
|
||||
7
ld/testsuite/ld-i386/got1.out
Normal file
7
ld/testsuite/ld-i386/got1.out
Normal file
@@ -0,0 +1,7 @@
|
||||
foo
|
||||
bar
|
||||
plt
|
||||
foo
|
||||
bar
|
||||
plt
|
||||
foo
|
||||
21
ld/testsuite/ld-i386/got1a.S
Normal file
21
ld/testsuite/ld-i386/got1a.S
Normal file
@@ -0,0 +1,21 @@
|
||||
.text
|
||||
.globl main
|
||||
.type main, @function
|
||||
main:
|
||||
subl $12, %esp
|
||||
call *foo@GOT
|
||||
call *bar@GOT
|
||||
call *plt@GOT
|
||||
movl foo@GOT, %eax
|
||||
call *%eax
|
||||
movl bar@GOT, %eax
|
||||
call *%eax
|
||||
movl plt@GOT, %eax
|
||||
call *%eax
|
||||
movl foo@GOT(%ebx), %ecx
|
||||
call *%ecx
|
||||
subl $12, %esp
|
||||
pushl $0
|
||||
pushl $0 # Push a dummy return address onto stack.
|
||||
jmp *myexit@GOT
|
||||
.size main, .-main
|
||||
7
ld/testsuite/ld-i386/got1b.c
Normal file
7
ld/testsuite/ld-i386/got1b.c
Normal file
@@ -0,0 +1,7 @@
|
||||
#include <stdio.h>
|
||||
|
||||
void
|
||||
foo (void)
|
||||
{
|
||||
printf ("%s\n", __FUNCTION__);
|
||||
}
|
||||
7
ld/testsuite/ld-i386/got1c.c
Normal file
7
ld/testsuite/ld-i386/got1c.c
Normal file
@@ -0,0 +1,7 @@
|
||||
#include <stdlib.h>
|
||||
|
||||
void
|
||||
myexit (int status)
|
||||
{
|
||||
exit (status);
|
||||
}
|
||||
54
ld/testsuite/ld-i386/got1d.S
Normal file
54
ld/testsuite/ld-i386/got1d.S
Normal file
@@ -0,0 +1,54 @@
|
||||
.globl bar
|
||||
.type bar, @function
|
||||
bar:
|
||||
pushl %ebx
|
||||
call __x86.get_pc_thunk.cx
|
||||
addl $_GLOBAL_OFFSET_TABLE_, %ecx
|
||||
subl $24, %esp
|
||||
leal __FUNCTION__.1862@GOTOFF(%ecx), %eax
|
||||
movl %eax, (%esp)
|
||||
call *puts@GOT(%ecx)
|
||||
addl $24, %esp
|
||||
popl %ebx
|
||||
ret
|
||||
.size bar, .-bar
|
||||
|
||||
.globl plt
|
||||
.type plt, @function
|
||||
plt:
|
||||
pushl %esi
|
||||
pushl %ebx
|
||||
call __x86.get_pc_thunk.bx
|
||||
1:
|
||||
addl $_GLOBAL_OFFSET_TABLE_, %ebx
|
||||
subl $20, %esp
|
||||
leal __FUNCTION__.1866@GOTOFF(%ebx), %esi
|
||||
movl %esi, (%esp)
|
||||
call *puts@GOT(%ebx)
|
||||
addl $20, %esp
|
||||
popl %ebx
|
||||
popl %esi
|
||||
ret
|
||||
.section .rodata
|
||||
.type __FUNCTION__.1866, @object
|
||||
.size __FUNCTION__.1866, 4
|
||||
__FUNCTION__.1866:
|
||||
.string "plt"
|
||||
.type __FUNCTION__.1862, @object
|
||||
.size __FUNCTION__.1862, 4
|
||||
__FUNCTION__.1862:
|
||||
.string "bar"
|
||||
.section .text.__x86.get_pc_thunk.bx,"axG",@progbits,__x86.get_pc_thunk.bx,comdat
|
||||
.globl __x86.get_pc_thunk.bx
|
||||
.hidden __x86.get_pc_thunk.bx
|
||||
.type __x86.get_pc_thunk.bx, @function
|
||||
__x86.get_pc_thunk.bx:
|
||||
movl (%esp), %ebx
|
||||
ret
|
||||
.section .text.__x86.get_pc_thunk.cx,"axG",@progbits,__x86.get_pc_thunk.cx,comdat
|
||||
.globl __x86.get_pc_thunk.cx
|
||||
.hidden __x86.get_pc_thunk.cx
|
||||
.type __x86.get_pc_thunk.cx, @function
|
||||
__x86.get_pc_thunk.cx:
|
||||
movl (%esp), %ecx
|
||||
ret
|
||||
@@ -293,6 +293,28 @@ run_dump_test "lea1e"
|
||||
run_dump_test "lea1f"
|
||||
run_dump_test "mov1a"
|
||||
run_dump_test "mov1b"
|
||||
run_dump_test "branch1"
|
||||
run_dump_test "call1"
|
||||
run_dump_test "call2"
|
||||
run_dump_test "call3a"
|
||||
run_dump_test "call3b"
|
||||
run_dump_test "call3c"
|
||||
run_dump_test "call3d"
|
||||
run_dump_test "call3e"
|
||||
run_dump_test "call3f"
|
||||
run_dump_test "call3g"
|
||||
run_dump_test "call3h"
|
||||
run_dump_test "jmp1"
|
||||
run_dump_test "jmp2"
|
||||
run_dump_test "load1"
|
||||
run_dump_test "load1-nacl"
|
||||
run_dump_test "load2"
|
||||
run_dump_test "load3"
|
||||
run_dump_test "load4a"
|
||||
run_dump_test "load4b"
|
||||
run_dump_test "load5a"
|
||||
run_dump_test "load5b"
|
||||
run_dump_test "load6"
|
||||
|
||||
if { !([istarget "i?86-*-linux*"]
|
||||
|| [istarget "i?86-*-gnu*"]
|
||||
@@ -498,6 +520,22 @@ if { [isnative]
|
||||
"" \
|
||||
"pr19031.so" \
|
||||
] \
|
||||
[list \
|
||||
"Build got1d.so" \
|
||||
"-shared" \
|
||||
"" \
|
||||
{ got1d.S } \
|
||||
"" \
|
||||
"got1d.so" \
|
||||
] \
|
||||
[list \
|
||||
"Build gotpc1" \
|
||||
"tmpdir/got1d.so" \
|
||||
"" \
|
||||
{ got1a.S got1b.c got1c.c } \
|
||||
{{objdump {-dw} got1.dd}} \
|
||||
"got1" \
|
||||
] \
|
||||
]
|
||||
|
||||
run_ld_link_exec_tests [] [list \
|
||||
@@ -568,6 +606,14 @@ if { [isnative]
|
||||
"pr19031" \
|
||||
"pr19031.out" \
|
||||
] \
|
||||
[list \
|
||||
"Run got1" \
|
||||
"tmpdir/got1d.so" \
|
||||
"" \
|
||||
{ got1a.S got1b.c got1c.c } \
|
||||
"got1" \
|
||||
"got1.out" \
|
||||
] \
|
||||
]
|
||||
}
|
||||
|
||||
|
||||
3
ld/testsuite/ld-i386/jmp1.d
Normal file
3
ld/testsuite/ld-i386/jmp1.d
Normal file
@@ -0,0 +1,3 @@
|
||||
#as: --32
|
||||
#ld: -shared -melf_i386
|
||||
#error: direct GOT relocation R_386_GOT32X against `foo' without base register can not be used when making a shared object
|
||||
9
ld/testsuite/ld-i386/jmp1.s
Normal file
9
ld/testsuite/ld-i386/jmp1.s
Normal file
@@ -0,0 +1,9 @@
|
||||
.text
|
||||
.globl foo
|
||||
.type foo, @function
|
||||
foo:
|
||||
ret
|
||||
.globl _start
|
||||
.type _start, @function
|
||||
_start:
|
||||
jmp *foo@GOT
|
||||
3
ld/testsuite/ld-i386/jmp2.d
Normal file
3
ld/testsuite/ld-i386/jmp2.d
Normal file
@@ -0,0 +1,3 @@
|
||||
#as: --32
|
||||
#ld: -shared -melf_i386
|
||||
#error: direct GOT relocation R_386_GOT32X against `foo' without base register can not be used when making a shared object
|
||||
8
ld/testsuite/ld-i386/jmp2.s
Normal file
8
ld/testsuite/ld-i386/jmp2.s
Normal file
@@ -0,0 +1,8 @@
|
||||
.text
|
||||
.type foo, @function
|
||||
foo:
|
||||
ret
|
||||
.globl _start
|
||||
.type _start, @function
|
||||
_start:
|
||||
jmp *foo@GOT
|
||||
@@ -9,6 +9,6 @@
|
||||
Disassembly of section .text:
|
||||
|
||||
#...
|
||||
[ ]*[a-f0-9]+: 8d 81 ([0-9a-f]{2} ){4} * lea -0x[a-f0-9]+\(%ecx\),%eax
|
||||
[ ]*[a-f0-9]+: 8d 81 ([0-9a-f]{2} ){4} * lea 0x[a-f0-9]+\(%ecx\),%eax
|
||||
[ ]*[a-f0-9]+: 8d 05 ([0-9a-f]{2} ){4} * lea 0x[a-f0-9]+,%eax
|
||||
[ ]*[a-f0-9]+: 8d 05 ([0-9a-f]{2} ){4} * lea 0x[a-f0-9]+,%eax
|
||||
#pass
|
||||
|
||||
59
ld/testsuite/ld-i386/load1-nacl.d
Normal file
59
ld/testsuite/ld-i386/load1-nacl.d
Normal file
@@ -0,0 +1,59 @@
|
||||
#source: load1.s
|
||||
#as: --32
|
||||
#ld: -melf_i386
|
||||
#objdump: -dw --sym
|
||||
#target: i?86-*-nacl* x86_64-*-nacl*
|
||||
|
||||
.*: +file format .*
|
||||
|
||||
SYMBOL TABLE:
|
||||
#...
|
||||
10030080 l O .data 0+1 bar
|
||||
#...
|
||||
10030081 g O .data 0+1 foo
|
||||
#...
|
||||
|
||||
Disassembly of section .text:
|
||||
|
||||
0+20000 <_start>:
|
||||
[ ]*[a-f0-9]+: 8d 05 80 00 03 10 lea 0x10030080,%eax
|
||||
[ ]*[a-f0-9]+: 81 d0 80 00 03 10 adc \$0x10030080,%eax
|
||||
[ ]*[a-f0-9]+: 81 c3 80 00 03 10 add \$0x10030080,%ebx
|
||||
[ ]*[a-f0-9]+: 81 e1 80 00 03 10 and \$0x10030080,%ecx
|
||||
[ ]*[a-f0-9]+: 81 fa 80 00 03 10 cmp \$0x10030080,%edx
|
||||
[ ]*[a-f0-9]+: 81 cf 80 00 03 10 or \$0x10030080,%edi
|
||||
[ ]*[a-f0-9]+: 81 de 80 00 03 10 sbb \$0x10030080,%esi
|
||||
[ ]*[a-f0-9]+: 81 ed 80 00 03 10 sub \$0x10030080,%ebp
|
||||
[ ]*[a-f0-9]+: 81 f4 80 00 03 10 xor \$0x10030080,%esp
|
||||
[ ]*[a-f0-9]+: f7 c1 80 00 03 10 test \$0x10030080,%ecx
|
||||
[ ]*[a-f0-9]+: 8d 05 80 00 03 10 lea 0x10030080,%eax
|
||||
[ ]*[a-f0-9]+: 81 d0 80 00 03 10 adc \$0x10030080,%eax
|
||||
[ ]*[a-f0-9]+: 81 c3 80 00 03 10 add \$0x10030080,%ebx
|
||||
[ ]*[a-f0-9]+: 81 e1 80 00 03 10 and \$0x10030080,%ecx
|
||||
[ ]*[a-f0-9]+: 81 fa 80 00 03 10 cmp \$0x10030080,%edx
|
||||
[ ]*[a-f0-9]+: 81 cf 80 00 03 10 or \$0x10030080,%edi
|
||||
[ ]*[a-f0-9]+: 81 de 80 00 03 10 sbb \$0x10030080,%esi
|
||||
[ ]*[a-f0-9]+: 81 ed 80 00 03 10 sub \$0x10030080,%ebp
|
||||
[ ]*[a-f0-9]+: 81 f4 80 00 03 10 xor \$0x10030080,%esp
|
||||
[ ]*[a-f0-9]+: f7 c1 80 00 03 10 test \$0x10030080,%ecx
|
||||
[ ]*[a-f0-9]+: 8d 05 81 00 03 10 lea 0x10030081,%eax
|
||||
[ ]*[a-f0-9]+: 81 d0 81 00 03 10 adc \$0x10030081,%eax
|
||||
[ ]*[a-f0-9]+: 81 c3 81 00 03 10 add \$0x10030081,%ebx
|
||||
[ ]*[a-f0-9]+: 81 e1 81 00 03 10 and \$0x10030081,%ecx
|
||||
[ ]*[a-f0-9]+: 81 fa 81 00 03 10 cmp \$0x10030081,%edx
|
||||
[ ]*[a-f0-9]+: 81 cf 81 00 03 10 or \$0x10030081,%edi
|
||||
[ ]*[a-f0-9]+: 81 de 81 00 03 10 sbb \$0x10030081,%esi
|
||||
[ ]*[a-f0-9]+: 81 ed 81 00 03 10 sub \$0x10030081,%ebp
|
||||
[ ]*[a-f0-9]+: 81 f4 81 00 03 10 xor \$0x10030081,%esp
|
||||
[ ]*[a-f0-9]+: f7 c1 81 00 03 10 test \$0x10030081,%ecx
|
||||
[ ]*[a-f0-9]+: 8d 05 81 00 03 10 lea 0x10030081,%eax
|
||||
[ ]*[a-f0-9]+: 81 d0 81 00 03 10 adc \$0x10030081,%eax
|
||||
[ ]*[a-f0-9]+: 81 c3 81 00 03 10 add \$0x10030081,%ebx
|
||||
[ ]*[a-f0-9]+: 81 e1 81 00 03 10 and \$0x10030081,%ecx
|
||||
[ ]*[a-f0-9]+: 81 fa 81 00 03 10 cmp \$0x10030081,%edx
|
||||
[ ]*[a-f0-9]+: 81 cf 81 00 03 10 or \$0x10030081,%edi
|
||||
[ ]*[a-f0-9]+: 81 de 81 00 03 10 sbb \$0x10030081,%esi
|
||||
[ ]*[a-f0-9]+: 81 ed 81 00 03 10 sub \$0x10030081,%ebp
|
||||
[ ]*[a-f0-9]+: 81 f4 81 00 03 10 xor \$0x10030081,%esp
|
||||
[ ]*[a-f0-9]+: f7 c1 81 00 03 10 test \$0x10030081,%ecx
|
||||
#pass
|
||||
58
ld/testsuite/ld-i386/load1.d
Normal file
58
ld/testsuite/ld-i386/load1.d
Normal file
@@ -0,0 +1,58 @@
|
||||
#as: --32
|
||||
#ld: -melf_i386
|
||||
#objdump: -dw --sym
|
||||
#notarget: i?86-*-nacl* x86_64-*-nacl*
|
||||
|
||||
.*: +file format .*
|
||||
|
||||
SYMBOL TABLE:
|
||||
#...
|
||||
0+8049170 l O .data 0+1 bar
|
||||
#...
|
||||
0+8049171 g O .data 0+1 foo
|
||||
#...
|
||||
|
||||
Disassembly of section .text:
|
||||
|
||||
0+8048074 <_start>:
|
||||
[ ]*[a-f0-9]+: 8d 05 70 91 04 08 lea 0x8049170,%eax
|
||||
[ ]*[a-f0-9]+: 81 d0 70 91 04 08 adc \$0x8049170,%eax
|
||||
[ ]*[a-f0-9]+: 81 c3 70 91 04 08 add \$0x8049170,%ebx
|
||||
[ ]*[a-f0-9]+: 81 e1 70 91 04 08 and \$0x8049170,%ecx
|
||||
[ ]*[a-f0-9]+: 81 fa 70 91 04 08 cmp \$0x8049170,%edx
|
||||
[ ]*[a-f0-9]+: 81 cf 70 91 04 08 or \$0x8049170,%edi
|
||||
[ ]*[a-f0-9]+: 81 de 70 91 04 08 sbb \$0x8049170,%esi
|
||||
[ ]*[a-f0-9]+: 81 ed 70 91 04 08 sub \$0x8049170,%ebp
|
||||
[ ]*[a-f0-9]+: 81 f4 70 91 04 08 xor \$0x8049170,%esp
|
||||
[ ]*[a-f0-9]+: f7 c1 70 91 04 08 test \$0x8049170,%ecx
|
||||
[ ]*[a-f0-9]+: 8d 05 70 91 04 08 lea 0x8049170,%eax
|
||||
[ ]*[a-f0-9]+: 81 d0 70 91 04 08 adc \$0x8049170,%eax
|
||||
[ ]*[a-f0-9]+: 81 c3 70 91 04 08 add \$0x8049170,%ebx
|
||||
[ ]*[a-f0-9]+: 81 e1 70 91 04 08 and \$0x8049170,%ecx
|
||||
[ ]*[a-f0-9]+: 81 fa 70 91 04 08 cmp \$0x8049170,%edx
|
||||
[ ]*[a-f0-9]+: 81 cf 70 91 04 08 or \$0x8049170,%edi
|
||||
[ ]*[a-f0-9]+: 81 de 70 91 04 08 sbb \$0x8049170,%esi
|
||||
[ ]*[a-f0-9]+: 81 ed 70 91 04 08 sub \$0x8049170,%ebp
|
||||
[ ]*[a-f0-9]+: 81 f4 70 91 04 08 xor \$0x8049170,%esp
|
||||
[ ]*[a-f0-9]+: f7 c1 70 91 04 08 test \$0x8049170,%ecx
|
||||
[ ]*[a-f0-9]+: 8d 05 71 91 04 08 lea 0x8049171,%eax
|
||||
[ ]*[a-f0-9]+: 81 d0 71 91 04 08 adc \$0x8049171,%eax
|
||||
[ ]*[a-f0-9]+: 81 c3 71 91 04 08 add \$0x8049171,%ebx
|
||||
[ ]*[a-f0-9]+: 81 e1 71 91 04 08 and \$0x8049171,%ecx
|
||||
[ ]*[a-f0-9]+: 81 fa 71 91 04 08 cmp \$0x8049171,%edx
|
||||
[ ]*[a-f0-9]+: 81 cf 71 91 04 08 or \$0x8049171,%edi
|
||||
[ ]*[a-f0-9]+: 81 de 71 91 04 08 sbb \$0x8049171,%esi
|
||||
[ ]*[a-f0-9]+: 81 ed 71 91 04 08 sub \$0x8049171,%ebp
|
||||
[ ]*[a-f0-9]+: 81 f4 71 91 04 08 xor \$0x8049171,%esp
|
||||
[ ]*[a-f0-9]+: f7 c1 71 91 04 08 test \$0x8049171,%ecx
|
||||
[ ]*[a-f0-9]+: 8d 05 71 91 04 08 lea 0x8049171,%eax
|
||||
[ ]*[a-f0-9]+: 81 d0 71 91 04 08 adc \$0x8049171,%eax
|
||||
[ ]*[a-f0-9]+: 81 c3 71 91 04 08 add \$0x8049171,%ebx
|
||||
[ ]*[a-f0-9]+: 81 e1 71 91 04 08 and \$0x8049171,%ecx
|
||||
[ ]*[a-f0-9]+: 81 fa 71 91 04 08 cmp \$0x8049171,%edx
|
||||
[ ]*[a-f0-9]+: 81 cf 71 91 04 08 or \$0x8049171,%edi
|
||||
[ ]*[a-f0-9]+: 81 de 71 91 04 08 sbb \$0x8049171,%esi
|
||||
[ ]*[a-f0-9]+: 81 ed 71 91 04 08 sub \$0x8049171,%ebp
|
||||
[ ]*[a-f0-9]+: 81 f4 71 91 04 08 xor \$0x8049171,%esp
|
||||
[ ]*[a-f0-9]+: f7 c1 71 91 04 08 test \$0x8049171,%ecx
|
||||
#pass
|
||||
55
ld/testsuite/ld-i386/load1.s
Normal file
55
ld/testsuite/ld-i386/load1.s
Normal file
@@ -0,0 +1,55 @@
|
||||
.data
|
||||
.type bar, @object
|
||||
bar:
|
||||
.byte 1
|
||||
.size bar, .-bar
|
||||
.globl foo
|
||||
.type foo, @object
|
||||
foo:
|
||||
.byte 1
|
||||
.size foo, .-foo
|
||||
.text
|
||||
.globl _start
|
||||
.type _start, @function
|
||||
_start:
|
||||
movl bar@GOT(%ecx), %eax
|
||||
adcl bar@GOT(%ecx), %eax
|
||||
addl bar@GOT(%ecx), %ebx
|
||||
andl bar@GOT(%ecx), %ecx
|
||||
cmpl bar@GOT(%ecx), %edx
|
||||
orl bar@GOT(%ecx), %edi
|
||||
sbbl bar@GOT(%ecx), %esi
|
||||
subl bar@GOT(%ecx), %ebp
|
||||
xorl bar@GOT(%ecx), %esp
|
||||
testl %ecx, bar@GOT(%ecx)
|
||||
movl bar@GOT, %eax
|
||||
adcl bar@GOT, %eax
|
||||
addl bar@GOT, %ebx
|
||||
andl bar@GOT, %ecx
|
||||
cmpl bar@GOT, %edx
|
||||
orl bar@GOT, %edi
|
||||
sbbl bar@GOT, %esi
|
||||
subl bar@GOT, %ebp
|
||||
xorl bar@GOT, %esp
|
||||
testl %ecx, bar@GOT
|
||||
movl foo@GOT(%ecx), %eax
|
||||
adcl foo@GOT(%ecx), %eax
|
||||
addl foo@GOT(%ecx), %ebx
|
||||
andl foo@GOT(%ecx), %ecx
|
||||
cmpl foo@GOT(%ecx), %edx
|
||||
orl foo@GOT(%ecx), %edi
|
||||
sbbl foo@GOT(%ecx), %esi
|
||||
subl foo@GOT(%ecx), %ebp
|
||||
xorl foo@GOT(%ecx), %esp
|
||||
testl %ecx, foo@GOT(%ecx)
|
||||
movl foo@GOT, %eax
|
||||
adcl foo@GOT, %eax
|
||||
addl foo@GOT, %ebx
|
||||
andl foo@GOT, %ecx
|
||||
cmpl foo@GOT, %edx
|
||||
orl foo@GOT, %edi
|
||||
sbbl foo@GOT, %esi
|
||||
subl foo@GOT, %ebp
|
||||
xorl foo@GOT, %esp
|
||||
testl %ecx, foo@GOT
|
||||
.size _start, .-_start
|
||||
3
ld/testsuite/ld-i386/load2.d
Normal file
3
ld/testsuite/ld-i386/load2.d
Normal file
@@ -0,0 +1,3 @@
|
||||
#as: --32
|
||||
#ld: -melf_i386 -shared
|
||||
#error: direct GOT relocation R_386_GOT32X against `foo' without base register can not be used when making a shared object
|
||||
8
ld/testsuite/ld-i386/load2.s
Normal file
8
ld/testsuite/ld-i386/load2.s
Normal file
@@ -0,0 +1,8 @@
|
||||
.data
|
||||
.type foo, @object
|
||||
foo:
|
||||
.text
|
||||
.globl _start
|
||||
.type _start, @function
|
||||
_start:
|
||||
addl foo@GOT, %ebx
|
||||
3
ld/testsuite/ld-i386/load3.d
Normal file
3
ld/testsuite/ld-i386/load3.d
Normal file
@@ -0,0 +1,3 @@
|
||||
#as: --32
|
||||
#ld: -melf_i386 -shared
|
||||
#error: direct GOT relocation R_386_GOT32X against `foo' without base register can not be used when making a shared object
|
||||
9
ld/testsuite/ld-i386/load3.s
Normal file
9
ld/testsuite/ld-i386/load3.s
Normal file
@@ -0,0 +1,9 @@
|
||||
.data
|
||||
.globl foo
|
||||
.type foo, @object
|
||||
foo:
|
||||
.text
|
||||
.globl _start
|
||||
.type _start, @function
|
||||
_start:
|
||||
addl foo@GOT, %ebx
|
||||
9
ld/testsuite/ld-i386/load4.s
Normal file
9
ld/testsuite/ld-i386/load4.s
Normal file
@@ -0,0 +1,9 @@
|
||||
.text
|
||||
.globl foo
|
||||
.type foo, @function
|
||||
foo:
|
||||
ret
|
||||
.globl _start
|
||||
.type _start, @function
|
||||
_start:
|
||||
movl foo@GOT, %eax
|
||||
4
ld/testsuite/ld-i386/load4a.d
Normal file
4
ld/testsuite/ld-i386/load4a.d
Normal file
@@ -0,0 +1,4 @@
|
||||
#source: load4.s
|
||||
#as: --32
|
||||
#ld: -Bsymbolic -shared -melf_i386
|
||||
#error: direct GOT relocation R_386_GOT32X against `foo' without base register can not be used when making a shared object
|
||||
13
ld/testsuite/ld-i386/load4b.d
Normal file
13
ld/testsuite/ld-i386/load4b.d
Normal file
@@ -0,0 +1,13 @@
|
||||
#source: load4.s
|
||||
#as: --32
|
||||
#ld: -melf_i386
|
||||
#objdump: -dw
|
||||
|
||||
.*: +file format .*
|
||||
|
||||
|
||||
Disassembly of section .text:
|
||||
|
||||
#...
|
||||
[ ]*[a-f0-9]+: 8d 05 ([0-9a-f]{2} ){4} * lea 0x[a-f0-9]+,%eax
|
||||
#pass
|
||||
8
ld/testsuite/ld-i386/load5.s
Normal file
8
ld/testsuite/ld-i386/load5.s
Normal file
@@ -0,0 +1,8 @@
|
||||
.text
|
||||
.type foo, @function
|
||||
foo:
|
||||
ret
|
||||
.globl _start
|
||||
.type _start, @function
|
||||
_start:
|
||||
movl foo@GOT, %eax
|
||||
4
ld/testsuite/ld-i386/load5a.d
Normal file
4
ld/testsuite/ld-i386/load5a.d
Normal file
@@ -0,0 +1,4 @@
|
||||
#source: load5.s
|
||||
#as: --32
|
||||
#ld: -Bsymbolic -shared -melf_i386
|
||||
#error: direct GOT relocation R_386_GOT32X against `foo' without base register can not be used when making a shared object
|
||||
13
ld/testsuite/ld-i386/load5b.d
Normal file
13
ld/testsuite/ld-i386/load5b.d
Normal file
@@ -0,0 +1,13 @@
|
||||
#source: load5.s
|
||||
#as: --32
|
||||
#ld: -melf_i386
|
||||
#objdump: -dw
|
||||
|
||||
.*: +file format .*
|
||||
|
||||
|
||||
Disassembly of section .text:
|
||||
|
||||
#...
|
||||
[ ]*[a-f0-9]+: 8d 05 ([0-9a-f]{2} ){4} * lea 0x[a-f0-9]+,%eax
|
||||
#pass
|
||||
28
ld/testsuite/ld-i386/load6.d
Normal file
28
ld/testsuite/ld-i386/load6.d
Normal file
@@ -0,0 +1,28 @@
|
||||
#as: --32
|
||||
#ld: -shared -melf_i386
|
||||
#objdump: -dw
|
||||
|
||||
.*: +file format .*
|
||||
|
||||
Disassembly of section .text:
|
||||
|
||||
[a-f0-9]+ <_start>:
|
||||
[ ]*[a-f0-9]+: 13 81 f8 ff ff ff adc -0x8\(%ecx\),%eax
|
||||
[ ]*[a-f0-9]+: 03 99 f8 ff ff ff add -0x8\(%ecx\),%ebx
|
||||
[ ]*[a-f0-9]+: 23 89 f8 ff ff ff and -0x8\(%ecx\),%ecx
|
||||
[ ]*[a-f0-9]+: 3b 91 f8 ff ff ff cmp -0x8\(%ecx\),%edx
|
||||
[ ]*[a-f0-9]+: 0b b9 f8 ff ff ff or -0x8\(%ecx\),%edi
|
||||
[ ]*[a-f0-9]+: 1b b1 f8 ff ff ff sbb -0x8\(%ecx\),%esi
|
||||
[ ]*[a-f0-9]+: 2b a9 f8 ff ff ff sub -0x8\(%ecx\),%ebp
|
||||
[ ]*[a-f0-9]+: 33 a1 f8 ff ff ff xor -0x8\(%ecx\),%esp
|
||||
[ ]*[a-f0-9]+: 85 89 f8 ff ff ff test %ecx,-0x8\(%ecx\)
|
||||
[ ]*[a-f0-9]+: 13 81 fc ff ff ff adc -0x4\(%ecx\),%eax
|
||||
[ ]*[a-f0-9]+: 03 99 fc ff ff ff add -0x4\(%ecx\),%ebx
|
||||
[ ]*[a-f0-9]+: 23 89 fc ff ff ff and -0x4\(%ecx\),%ecx
|
||||
[ ]*[a-f0-9]+: 3b 91 fc ff ff ff cmp -0x4\(%ecx\),%edx
|
||||
[ ]*[a-f0-9]+: 0b b9 fc ff ff ff or -0x4\(%ecx\),%edi
|
||||
[ ]*[a-f0-9]+: 1b b1 fc ff ff ff sbb -0x4\(%ecx\),%esi
|
||||
[ ]*[a-f0-9]+: 2b a9 fc ff ff ff sub -0x4\(%ecx\),%ebp
|
||||
[ ]*[a-f0-9]+: 33 a1 fc ff ff ff xor -0x4\(%ecx\),%esp
|
||||
[ ]*[a-f0-9]+: 85 89 fc ff ff ff test %ecx,-0x4\(%ecx\)
|
||||
#pass
|
||||
33
ld/testsuite/ld-i386/load6.s
Normal file
33
ld/testsuite/ld-i386/load6.s
Normal file
@@ -0,0 +1,33 @@
|
||||
.data
|
||||
.type bar, @object
|
||||
bar:
|
||||
.byte 1
|
||||
.size bar, .-bar
|
||||
.globl foo
|
||||
.type foo, @object
|
||||
foo:
|
||||
.byte 1
|
||||
.size foo, .-foo
|
||||
.text
|
||||
.globl _start
|
||||
.type _start, @function
|
||||
_start:
|
||||
adcl bar@GOT(%ecx), %eax
|
||||
addl bar@GOT(%ecx), %ebx
|
||||
andl bar@GOT(%ecx), %ecx
|
||||
cmpl bar@GOT(%ecx), %edx
|
||||
orl bar@GOT(%ecx), %edi
|
||||
sbbl bar@GOT(%ecx), %esi
|
||||
subl bar@GOT(%ecx), %ebp
|
||||
xorl bar@GOT(%ecx), %esp
|
||||
testl %ecx, bar@GOT(%ecx)
|
||||
adcl foo@GOT(%ecx), %eax
|
||||
addl foo@GOT(%ecx), %ebx
|
||||
andl foo@GOT(%ecx), %ecx
|
||||
cmpl foo@GOT(%ecx), %edx
|
||||
orl foo@GOT(%ecx), %edi
|
||||
sbbl foo@GOT(%ecx), %esi
|
||||
subl foo@GOT(%ecx), %ebp
|
||||
xorl foo@GOT(%ecx), %esp
|
||||
testl %ecx, foo@GOT(%ecx)
|
||||
.size _start, .-_start
|
||||
@@ -1,3 +1,3 @@
|
||||
#...
|
||||
[0-9a-f ]+R_386_GOT32 +0+ +bar
|
||||
[0-9a-f ]+R_386_GOT32X +0+ +bar
|
||||
#pass
|
||||
|
||||
@@ -1,5 +1,5 @@
|
||||
#...
|
||||
[0-9a-f ]+R_386_GOT32 +0+ +bar
|
||||
[0-9a-f ]+R_386_GOT32X +0+ +bar
|
||||
#...
|
||||
[0-9a-f ]+R_386_PLT32 +0+ +bar
|
||||
#pass
|
||||
|
||||
@@ -1,5 +1,5 @@
|
||||
#...
|
||||
[0-9a-f ]+R_386_GOT32 +0+ +foo
|
||||
[0-9a-f ]+R_386_GOT32X +0+ +foo
|
||||
#...
|
||||
[0-9a-f ]+R_386_PLT32 +0+ +foo
|
||||
#pass
|
||||
|
||||
@@ -7,4 +7,4 @@
|
||||
Relocation section '.rela.text' at .*
|
||||
[ ]+Offset[ ]+Info[ ]+Type[ ]+.*
|
||||
[0-9a-f]+[ ]+[0-9a-f]+[ ]+R_X86_64_PLT32[ ]+foo\(\)[ ]+foo - 4
|
||||
[0-9a-f]+[ ]+[0-9a-f]+[ ]+R_X86_64_GOTPCREL[ ]+foo\(\)[ ]+foo - 4
|
||||
[0-9a-f]+[ ]+[0-9a-f]+[ ]+R_X86_64_REX_GOTPCRELX[ ]+foo\(\)[ ]+foo - 4
|
||||
|
||||
9
ld/testsuite/ld-x86-64/call1.s
Normal file
9
ld/testsuite/ld-x86-64/call1.s
Normal file
@@ -0,0 +1,9 @@
|
||||
.text
|
||||
.globl foo
|
||||
.type foo, @function
|
||||
foo:
|
||||
ret
|
||||
.globl _start
|
||||
.type _start, @function
|
||||
_start:
|
||||
call *foo@GOTPCREL(%rip)
|
||||
13
ld/testsuite/ld-x86-64/call1a.d
Normal file
13
ld/testsuite/ld-x86-64/call1a.d
Normal file
@@ -0,0 +1,13 @@
|
||||
#source: call1.s
|
||||
#as: --64
|
||||
#ld: -melf_x86_64
|
||||
#objdump: -dw
|
||||
|
||||
.*: +file format .*
|
||||
|
||||
|
||||
Disassembly of section .text:
|
||||
|
||||
#...
|
||||
[ ]*[a-f0-9]+: 67 e8 ([0-9a-f]{2} ){4} * addr32 callq +[a-f0-9]+ <foo>
|
||||
#pass
|
||||
13
ld/testsuite/ld-x86-64/call1b.d
Normal file
13
ld/testsuite/ld-x86-64/call1b.d
Normal file
@@ -0,0 +1,13 @@
|
||||
#source: call1.s
|
||||
#as: --64
|
||||
#ld: -melf_x86_64 -z call-nop=prefix-addr
|
||||
#objdump: -dw
|
||||
|
||||
.*: +file format .*
|
||||
|
||||
|
||||
Disassembly of section .text:
|
||||
|
||||
#...
|
||||
[ ]*[a-f0-9]+: 67 e8 ([0-9a-f]{2} ){4} * addr32 callq +[a-f0-9]+ <foo>
|
||||
#pass
|
||||
14
ld/testsuite/ld-x86-64/call1c.d
Normal file
14
ld/testsuite/ld-x86-64/call1c.d
Normal file
@@ -0,0 +1,14 @@
|
||||
#source: call1.s
|
||||
#as: --64
|
||||
#ld: -melf_x86_64 -z call-nop=prefix-nop
|
||||
#objdump: -dw
|
||||
|
||||
.*: +file format .*
|
||||
|
||||
|
||||
Disassembly of section .text:
|
||||
|
||||
#...
|
||||
[ ]*[a-f0-9]+: 90 nop
|
||||
[ ]*[a-f0-9]+: e8 ([0-9a-f]{2} ){4} * callq +[a-f0-9]+ <foo>
|
||||
#pass
|
||||
14
ld/testsuite/ld-x86-64/call1d.d
Normal file
14
ld/testsuite/ld-x86-64/call1d.d
Normal file
@@ -0,0 +1,14 @@
|
||||
#source: call1.s
|
||||
#as: --64
|
||||
#ld: -melf_x86_64 -z call-nop=suffix-nop
|
||||
#objdump: -dw
|
||||
|
||||
.*: +file format .*
|
||||
|
||||
|
||||
Disassembly of section .text:
|
||||
|
||||
#...
|
||||
[ ]*[a-f0-9]+: e8 ([0-9a-f]{2} ){4} * callq +[a-f0-9]+ <foo>
|
||||
[ ]*[a-f0-9]+: 90 nop
|
||||
#pass
|
||||
13
ld/testsuite/ld-x86-64/call1e.d
Normal file
13
ld/testsuite/ld-x86-64/call1e.d
Normal file
@@ -0,0 +1,13 @@
|
||||
#source: call1.s
|
||||
#as: --64
|
||||
#ld: -melf_x86_64 -z call-nop=prefix-0x67
|
||||
#objdump: -dw
|
||||
|
||||
.*: +file format .*
|
||||
|
||||
|
||||
Disassembly of section .text:
|
||||
|
||||
#...
|
||||
[ ]*[a-f0-9]+: 67 e8 ([0-9a-f]{2} ){4} * addr32 callq +[a-f0-9]+ <foo>
|
||||
#pass
|
||||
14
ld/testsuite/ld-x86-64/call1f.d
Normal file
14
ld/testsuite/ld-x86-64/call1f.d
Normal file
@@ -0,0 +1,14 @@
|
||||
#source: call1.s
|
||||
#as: --64
|
||||
#ld: -melf_x86_64 -z call-nop=prefix-0x90
|
||||
#objdump: -dw
|
||||
|
||||
.*: +file format .*
|
||||
|
||||
|
||||
Disassembly of section .text:
|
||||
|
||||
#...
|
||||
[ ]*[a-f0-9]+: 90 nop
|
||||
[ ]*[a-f0-9]+: e8 ([0-9a-f]{2} ){4} * callq +[a-f0-9]+ <foo>
|
||||
#pass
|
||||
14
ld/testsuite/ld-x86-64/call1g.d
Normal file
14
ld/testsuite/ld-x86-64/call1g.d
Normal file
@@ -0,0 +1,14 @@
|
||||
#source: call1.s
|
||||
#as: --64
|
||||
#ld: -melf_x86_64 -z call-nop=suffix-0x90
|
||||
#objdump: -dw
|
||||
|
||||
.*: +file format .*
|
||||
|
||||
|
||||
Disassembly of section .text:
|
||||
|
||||
#...
|
||||
[ ]*[a-f0-9]+: e8 ([0-9a-f]{2} ){4} * callq +[a-f0-9]+ <foo>
|
||||
[ ]*[a-f0-9]+: 90 nop
|
||||
#pass
|
||||
14
ld/testsuite/ld-x86-64/call1h.d
Normal file
14
ld/testsuite/ld-x86-64/call1h.d
Normal file
@@ -0,0 +1,14 @@
|
||||
#source: call1.s
|
||||
#as: --64
|
||||
#ld: -melf_x86_64 -z call-nop=suffix-144
|
||||
#objdump: -dw
|
||||
|
||||
.*: +file format .*
|
||||
|
||||
|
||||
Disassembly of section .text:
|
||||
|
||||
#...
|
||||
[ ]*[a-f0-9]+: e8 ([0-9a-f]{2} ){4} * callq +[a-f0-9]+ <foo>
|
||||
[ ]*[a-f0-9]+: 90 nop
|
||||
#pass
|
||||
14
ld/testsuite/ld-x86-64/call1i.d
Normal file
14
ld/testsuite/ld-x86-64/call1i.d
Normal file
@@ -0,0 +1,14 @@
|
||||
#source: call1.s
|
||||
#as: --x32
|
||||
#ld: -melf32_x86_64 -z call-nop=suffix-0x90
|
||||
#objdump: -dw
|
||||
|
||||
.*: +file format .*
|
||||
|
||||
|
||||
Disassembly of section .text:
|
||||
|
||||
#...
|
||||
[ ]*[a-f0-9]+: e8 ([0-9a-f]{2} ){4} * callq +[a-f0-9]+ <foo>
|
||||
[ ]*[a-f0-9]+: 90 nop
|
||||
#pass
|
||||
17
ld/testsuite/ld-x86-64/gotpcrel1.dd
Normal file
17
ld/testsuite/ld-x86-64/gotpcrel1.dd
Normal file
@@ -0,0 +1,17 @@
|
||||
#...
|
||||
[a-f0-9]+ <main>:
|
||||
[ ]*[a-f0-9]+: 48 83 ec 08 sub \$0x8,%rsp
|
||||
[ ]*[a-f0-9]+: [ a-f0-9]+ addr32 callq [a-f0-9]+ <foo>
|
||||
[ ]*[a-f0-9]+: [ a-f0-9]+ callq \*0x[a-f0-9]+\(%rip\) # [a-f0-9]+ <_DYNAMIC\+0x[a-f0-9]+>
|
||||
[ ]*[a-f0-9]+: [ a-f0-9]+ callq \*0x[a-f0-9]+\(%rip\) # [a-f0-9]+ <_DYNAMIC\+0x[a-f0-9]+>
|
||||
[ ]*[a-f0-9]+: [ a-f0-9]+ lea 0x[a-f0-9]+\(%rip\),%rax # [a-f0-9]+ <foo>
|
||||
[ ]*[a-f0-9]+: ff d0 callq \*%rax
|
||||
[ ]*[a-f0-9]+: [ a-f0-9]+ mov 0x[a-f0-9]+\(%rip\),%rcx # [a-f0-9]+ <_DYNAMIC\+0x[a-f0-9]+>
|
||||
[ ]*[a-f0-9]+: ff d1 callq \*%rcx
|
||||
[ ]*[a-f0-9]+: [ a-f0-9]+ mov 0x[a-f0-9]+\(%rip\),%rdx # [a-f0-9]+ <_DYNAMIC\+0x[a-f0-9]+>
|
||||
[ ]*[a-f0-9]+: ff d2 callq \*%rdx
|
||||
[ ]*[a-f0-9]+: 31 ff xor %edi,%edi
|
||||
[ ]*[a-f0-9]+: 48 83 c4 08 add \$0x8,%rsp
|
||||
[ ]*[a-f0-9]+: [ a-f0-9]+ jmpq [a-f0-9]+ <myexit>
|
||||
[ ]*[a-f0-9]+: 90 nop
|
||||
#pass
|
||||
8
ld/testsuite/ld-x86-64/gotpcrel1.out
Normal file
8
ld/testsuite/ld-x86-64/gotpcrel1.out
Normal file
@@ -0,0 +1,8 @@
|
||||
foo
|
||||
bar
|
||||
plt
|
||||
plt
|
||||
foo
|
||||
bar
|
||||
plt
|
||||
plt
|
||||
18
ld/testsuite/ld-x86-64/gotpcrel1a.S
Normal file
18
ld/testsuite/ld-x86-64/gotpcrel1a.S
Normal file
@@ -0,0 +1,18 @@
|
||||
.text
|
||||
.globl main
|
||||
.type main, @function
|
||||
main:
|
||||
subq $8, %rsp
|
||||
call *foo@GOTPCREL(%rip)
|
||||
call *bar@GOTPCREL(%rip)
|
||||
call *plt@GOTPCREL(%rip)
|
||||
movq foo@GOTPCREL(%rip), %rax
|
||||
call *%rax
|
||||
movq bar@GOTPCREL(%rip), %rcx
|
||||
call *%rcx
|
||||
movq plt@GOTPCREL(%rip), %rdx
|
||||
call *%rdx
|
||||
xorl %edi, %edi
|
||||
addq $8, %rsp
|
||||
jmp *myexit@GOTPCREL(%rip)
|
||||
.size main, .-main
|
||||
7
ld/testsuite/ld-x86-64/gotpcrel1b.c
Normal file
7
ld/testsuite/ld-x86-64/gotpcrel1b.c
Normal file
@@ -0,0 +1,7 @@
|
||||
#include <stdio.h>
|
||||
|
||||
void
|
||||
foo (void)
|
||||
{
|
||||
printf ("%s\n", __FUNCTION__);
|
||||
}
|
||||
7
ld/testsuite/ld-x86-64/gotpcrel1c.c
Normal file
7
ld/testsuite/ld-x86-64/gotpcrel1c.c
Normal file
@@ -0,0 +1,7 @@
|
||||
#include <stdlib.h>
|
||||
|
||||
void
|
||||
myexit (int status)
|
||||
{
|
||||
exit (status);
|
||||
}
|
||||
26
ld/testsuite/ld-x86-64/gotpcrel1d.S
Normal file
26
ld/testsuite/ld-x86-64/gotpcrel1d.S
Normal file
@@ -0,0 +1,26 @@
|
||||
.text
|
||||
.globl bar
|
||||
.type bar, @function
|
||||
bar:
|
||||
leaq __FUNCTION__.2215(%rip), %rdi
|
||||
jmp *puts@GOTPCREL(%rip)
|
||||
.size bar, .-bar
|
||||
.globl plt
|
||||
.type plt, @function
|
||||
plt:
|
||||
leaq __FUNCTION__.2219(%rip), %rdi
|
||||
subq $8, %rsp
|
||||
call *puts@GOTPCREL(%rip)
|
||||
leaq __FUNCTION__.2219(%rip), %rdi
|
||||
addq $8, %rsp
|
||||
jmp *puts@GOTPCREL(%rip)
|
||||
.size plt, .-plt
|
||||
.section .rodata
|
||||
.type __FUNCTION__.2219, @object
|
||||
.size __FUNCTION__.2219, 4
|
||||
__FUNCTION__.2219:
|
||||
.string "plt"
|
||||
.type __FUNCTION__.2215, @object
|
||||
.size __FUNCTION__.2215, 4
|
||||
__FUNCTION__.2215:
|
||||
.string "bar"
|
||||
Some files were not shown because too many files have changed in this diff Show More
Reference in New Issue
Block a user