+2015-10-22 H.J. Lu <hongjiu.lu@intel.com>
+
+ * elf32-i386.c: Include opcode/i386.h.
+ (elf_howto_table): Add R_386_GOT32X.
+ (R_386_ext2): Replace R_386_IRELATIVE with R_386_GOT32X.
+ (elf_i386_reloc_type_lookup): Handle BFD_RELOC_386_GOT32X.
+ (need_convert_mov_to_lea): Renamed to ...
+ (need_convert_load): This.
+ (elf_i386_check_relocs): Handle R_386_GOT32X. Replace
+ need_convert_mov_to_lea with need_convert_load.
+ (elf_i386_gc_sweep_hook): Handle R_386_GOT32X.
+ (elf_i386_size_dynamic_sections): Likewise.
+ (elf_i386_relocate_section): Likewise.
+ (elf_i386_convert_mov_to_lea): Renamed to ...
+ (elf_i386_convert_load): This. Replace need_convert_mov_to_lea
+ with need_convert_load. Support R_386_GOT32X transformations.
+ * reloc.c (BFD_RELOC_386_GOT32X): New.
+ * bfd-in2.h: Regenerated.
+ * libbfd.h: Likewise.
+
2015-10-22 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
* elf32-s390.c (elf_s390_check_relocs): Set the non_got_ref marker
BFD_RELOC_386_TLS_DESC_CALL,
BFD_RELOC_386_TLS_DESC,
BFD_RELOC_386_IRELATIVE,
+ BFD_RELOC_386_GOT32X,
/* x86-64/elf relocations */
BFD_RELOC_X86_64_GOT32,
#include "objalloc.h"
#include "hashtab.h"
#include "dwarf2.h"
+#include "opcode/i386.h"
/* 386 uses REL relocations instead of RELA. */
#define USE_REL 1
HOWTO(R_386_IRELATIVE, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
bfd_elf_generic_reloc, "R_386_IRELATIVE",
TRUE, 0xffffffff, 0xffffffff, FALSE),
+ HOWTO(R_386_GOT32X, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_386_GOT32X",
+ TRUE, 0xffffffff, 0xffffffff, FALSE),
/* Another gap. */
-#define R_386_ext2 (R_386_IRELATIVE + 1 - R_386_tls_offset)
+#define R_386_ext2 (R_386_GOT32X + 1 - R_386_tls_offset)
#define R_386_vt_offset (R_386_GNU_VTINHERIT - R_386_ext2)
/* GNU extension to record C++ vtable hierarchy. */
TRACE ("BFD_RELOC_386_IRELATIVE");
return &elf_howto_table[R_386_IRELATIVE - R_386_tls_offset];
+ case BFD_RELOC_386_GOT32X:
+ TRACE ("BFD_RELOC_386_GOT32X");
+ return &elf_howto_table[R_386_GOT32X - R_386_tls_offset];
+
case BFD_RELOC_VTABLE_INHERIT:
TRACE ("BFD_RELOC_VTABLE_INHERIT");
return &elf_howto_table[R_386_GNU_VTINHERIT - R_386_vt_offset];
/* 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 linkage
case R_386_PC32:
case R_386_PLT32:
case R_386_GOT32:
+ case R_386_GOT32X:
if (htab->elf.dynobj == NULL)
htab->elf.dynobj = abfd;
if (!_bfd_elf_create_ifunc_sections (htab->elf.dynobj, info))
/* Fall through */
case R_386_GOT32:
+ case R_386_GOT32X:
case R_386_TLS_GD:
case R_386_TLS_GOTDESC:
case R_386_TLS_DESC_CALL:
switch (r_type)
{
default:
- case R_386_GOT32: tls_type = GOT_NORMAL; break;
+ case R_386_GOT32:
+ case R_386_GOT32X:
+ tls_type = GOT_NORMAL;
+ break;
case R_386_TLS_GD: tls_type = GOT_TLS_GD; break;
case R_386_TLS_GOTDESC:
case R_386_TLS_DESC_CALL:
return FALSE;
}
- if (r_type == R_386_GOT32
+ if ((r_type == R_386_GOT32 || r_type == R_386_GOT32X)
&& (h == NULL || h->type != STT_GNU_IFUNC))
- sec->need_convert_mov_to_lea = 1;
+ sec->need_convert_load = 1;
}
return TRUE;
case R_386_TLS_IE:
case R_386_TLS_GOTIE:
case R_386_GOT32:
+ case R_386_GOT32X:
if (h != NULL)
{
if (h->got.refcount > 0)
return TRUE;
}
-/* Convert
- mov foo@GOT(%reg), %reg
+/* With the local symbol, foo, we convert
+ mov foo@GOT[(%reg1)], %reg2
+ to
+ lea foo[@GOTOFF(%reg1)], %reg2
+ and convert
+ call/jmp *foo@GOT[(%reg)]
to
- lea foo@GOTOFF(%reg), %reg
- with the local symbol, foo. */
+ nop call foo/jmp foo nop
+ When PIC is false, convert
+ test %reg1, foo@GOT[(%reg2)]
+ to
+ test $foo, %reg1
+ and convert
+ binop foo@GOT[(%reg1)], %reg2
+ to
+ binop $foo, %reg2
+ where binop is one of adc, add, and, cmp, or, sbb, sub, xor
+ instructions. */
static bfd_boolean
-elf_i386_convert_mov_to_lea (bfd *abfd, asection *sec,
+elf_i386_convert_load (bfd *abfd, asection *sec,
struct bfd_link_info *link_info)
{
Elf_Internal_Shdr *symtab_hdr;
/* 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;
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;
+ bfd_boolean baseless;
+ Elf_Internal_Sym *isym;
+ unsigned int addend;
+ unsigned int nop;
+ bfd_vma nop_offset;
- if (r_type != R_386_GOT32)
+ if (r_type != R_386_GOT32 && r_type != R_386_GOT32X)
continue;
- /* Get the symbol referred to by the reloc. */
- if (r_symndx < symtab_hdr->sh_info)
+ roff = irel->r_offset;
+ if (roff < 2)
+ continue;
+
+ modrm = bfd_get_8 (abfd, contents + roff - 1);
+ baseless = (modrm & 0xc7) == 0x5;
+
+ if (r_type == R_386_GOT32X
+ && baseless
+ && bfd_link_pic (link_info))
{
- Elf_Internal_Sym *isym;
+ /* For PIC, disallow R_386_GOT32X without a base register
+ since we don't know what the GOT base is. Allow
+ R_386_GOT32 for existing object files. */
+ const char *name;
+
+ if (r_symndx < symtab_hdr->sh_info)
+ {
+ isym = bfd_sym_from_r_symndx (&htab->sym_cache, abfd,
+ r_symndx);
+ name = bfd_elf_sym_name (abfd, symtab_hdr, isym, NULL);
+ }
+ else
+ {
+ indx = r_symndx - symtab_hdr->sh_info;
+ h = elf_sym_hashes (abfd)[indx];
+ BFD_ASSERT (h != NULL);
+ name = h->root.root.string;
+ }
+
+ (*_bfd_error_handler)
+ (_("%B: direct GOT relocation R_386_GOT32X against `%s' without base register can not be used when making a shared object"),
+ abfd, name);
+ goto error_return;
+ }
+
+ opcode = bfd_get_8 (abfd, contents + roff - 2);
+
+ /* It is OK to convert mov to lea. */
+ if (opcode != 0x8b)
+ {
+ /* Only convert R_386_GOT32X relocation for call, jmp or
+ one of adc, add, and, cmp, or, sbb, sub, test, xor
+ instructions. */
+ if (r_type != R_386_GOT32X)
+ continue;
+
+ /* It is OK to 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. */
+ if (opcode != 0xff && bfd_link_pic (link_info))
+ continue;
+ }
+ /* Try to convert R_386_GOT32 and R_386_GOT32X. Get the symbol
+ referred to by the reloc. */
+ if (r_symndx < symtab_hdr->sh_info)
+ {
isym = bfd_sym_from_r_symndx (&htab->sym_cache,
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);
- 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;
- changed_contents = TRUE;
- changed_relocs = TRUE;
- }
- continue;
+ /* STT_GNU_IFUNC must keep GOT32 relocations. */
+ 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;
|| 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)
+ {
+ /* 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 = ADDR_PREFIX_OPCODE;
+ 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
{
- 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 "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;
+ }
}
}
{
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 *)
goto do_relocation;
case R_386_GOT32:
+ case R_386_GOT32X:
base_got = htab->elf.sgot;
off = h->got.offset;
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)
"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",
BFD_RELOC_386_TLS_DESC
ENUMX
BFD_RELOC_386_IRELATIVE
+ENUMX
+ BFD_RELOC_386_GOT32X
ENUMDOC
i386/elf relocations
+2015-10-22 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/tc-i386.c (tc_i386_fix_adjustable): Handle
+ BFD_RELOC_386_GOT32X.
+ (tc_gen_reloc): Likewise.
+ (match_template): Force 0x8b encoding for "mov foo@GOT, %eax".
+ (output_disp): 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. Set
+ fx_tcbit if the REX prefix is generated. Set fx_tcbit2 if
+ BFD_RELOC_386_GOT32X should be generated.
+ (i386_validate_fix): Generate BFD_RELOC_386_GOT32X if fx_tcbit2
+ is set.
+
2015-10-21 Nick Clifton <nickc@redhat.com>
PR gas/19109
|| 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
}
}
+ /* 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]);
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);
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;
+ }
}
}
}
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 (!object_64bit)
- abort ();
- fixp->fx_r_type = BFD_RELOC_X86_64_GOTPCREL;
- }
- else
+ if (fixp->fx_subsy == GOT_symbol)
{
- 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 = BFD_RELOC_X86_64_GOTPCREL;
+ 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 *
case BFD_RELOC_X86_64_GOTPCREL:
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:
+2015-10-22 H.J. Lu <hongjiu.lu@intel.com>
+
+ * gas/i386/got.d: New file.
+ * gas/i386/got.s: Likewise.
+ * gas/i386/i386.exp: Run got.
+ * gas/i386/localpic.d: Replace R_386_GOT32 with R_386_GOT32X.
+ * gas/i386/mixed-mode-reloc32.d: Likewise.
+ * gas/i386/reloc32.d: Likewise.
+
2015-10-22 Alan Modra <amodra@gmail.com>
PR gas/18500
--- /dev/null
+#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
--- /dev/null
+ .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]
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"
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
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[ ]*
.*[ ]+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_
+2015-10-22 H.J. Lu <hongjiu.lu@intel.com>
+
+ * i386.h (R_386_GOT32X): New relocation.
+
2015-10-07 Cupertino Miranda <cmiranda@synopsys.com>
* arc-reloc.def: Macro file with definition of all relocation
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)
+2015-10-22 H.J. Lu <hongjiu.lu@intel.com>
+
+ * ld-i386/branch1.d: New file.
+ * ld-i386/branch1.s: Likewise.
+ * ld-i386/call1.d: Likewise.
+ * ld-i386/call1.s: Likewise.
+ * ld-i386/call2.d: Likewise.
+ * ld-i386/call2.s: Likewise.
+ * ld-i386/got1.dd: Likewise.
+ * ld-i386/got1.out: Likewise.
+ * ld-i386/got1a.S: Likewise.
+ * ld-i386/got1b.c: Likewise.
+ * ld-i386/got1c.c: Likewise.
+ * ld-i386/got1d.S: Likewise.
+ * ld-i386/jmp1.d: Likewise.
+ * ld-i386/jmp1.s: Likewise.
+ * ld-i386/jmp2.d: Likewise.
+ * ld-i386/jmp2.s: Likewise.
+ * ld-i386/load1.d: Likewise.
+ * ld-i386/load1.s: Likewise.
+ * ld-i386/load2.d: Likewise.
+ * ld-i386/load2.s: Likewise.
+ * ld-i386/load3.d: Likewise.
+ * ld-i386/load3.s: Likewise.
+ * ld-i386/load4.s: Likewise.
+ * ld-i386/load4a.d: Likewise.
+ * ld-i386/load4b.d: Likewise.
+ * ld-i386/load5.s: Likewise.
+ * ld-i386/load5a.d: Likewise.
+ * ld-i386/load5b.d: Likewise.
+ * ld-i386/load6.d: Likewise.
+ * ld-i386/load6.s: Likewise.
+ * ld-i386/i386.exp: Run branch1, call1, call2, jmp1, jmp2,
+ load1, load2, load3, load4a, load4b, load5a, load5b and load6
+ tests. Run got1 test.
+
2015-10-22 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
* ld-ifunc/ifunc.exp: Run ifunc tests on s390* targets.
--- /dev/null
+#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
--- /dev/null
+ .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
--- /dev/null
+#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
--- /dev/null
+ .text
+ .globl foo
+ .type foo, @function
+foo:
+ ret
+ .globl _start
+ .type _start, @function
+_start:
+ call *foo@GOT
--- /dev/null
+#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
--- /dev/null
+ .text
+ .type foo, @function
+foo:
+ ret
+ .globl _start
+ .type _start, @function
+_start:
+ call *foo@GOT
--- /dev/null
+#...
+[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
--- /dev/null
+foo
+bar
+plt
+foo
+bar
+plt
+foo
--- /dev/null
+ .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
--- /dev/null
+#include <stdio.h>
+
+void
+foo (void)
+{
+ printf ("%s\n", __FUNCTION__);
+}
--- /dev/null
+#include <stdlib.h>
+
+void
+myexit (int status)
+{
+ exit (status);
+}
--- /dev/null
+ .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
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 "jmp1"
+run_dump_test "jmp2"
+run_dump_test "load1"
+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*"]
"" \
"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 \
"pr19031" \
"pr19031.out" \
] \
+ [list \
+ "Run got1" \
+ "tmpdir/got1d.so" \
+ "" \
+ { got1a.S got1b.c got1c.c } \
+ "got1" \
+ "got1.out" \
+ ] \
]
}
--- /dev/null
+#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
--- /dev/null
+ .text
+ .globl foo
+ .type foo, @function
+foo:
+ ret
+ .globl _start
+ .type _start, @function
+_start:
+ jmp *foo@GOT
--- /dev/null
+#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
--- /dev/null
+ .text
+ .type foo, @function
+foo:
+ ret
+ .globl _start
+ .type _start, @function
+_start:
+ jmp *foo@GOT
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
--- /dev/null
+#as: --32
+#ld: -melf_i386
+#objdump: -dw --sym
+
+.*: +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
--- /dev/null
+ .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
--- /dev/null
+#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
--- /dev/null
+ .data
+ .type foo, @object
+foo:
+ .text
+ .globl _start
+ .type _start, @function
+_start:
+ addl foo@GOT, %ebx
--- /dev/null
+#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
--- /dev/null
+ .data
+ .globl foo
+ .type foo, @object
+foo:
+ .text
+ .globl _start
+ .type _start, @function
+_start:
+ addl foo@GOT, %ebx
--- /dev/null
+ .text
+ .globl foo
+ .type foo, @function
+foo:
+ ret
+ .globl _start
+ .type _start, @function
+_start:
+ movl foo@GOT, %eax
--- /dev/null
+#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
--- /dev/null
+#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
--- /dev/null
+ .text
+ .type foo, @function
+foo:
+ ret
+ .globl _start
+ .type _start, @function
+_start:
+ movl foo@GOT, %eax
--- /dev/null
+#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
--- /dev/null
+#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
--- /dev/null
+#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
--- /dev/null
+ .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
#...
-[0-9a-f ]+R_386_GOT32 +0+ +bar
+[0-9a-f ]+R_386_GOT32X +0+ +bar
#pass
#...
-[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
#...
-[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
projects / thirdparty / binutils-gdb.git / commitdiff
