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include/elf/ChangeLog:

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Introduce TLS descriptors for i386 and x86_64.
* common.h (DT_TLSDESC_GOT, DT_TLSDESC_PLT): New.
* i386.h (R_386_TLS_GOTDESC, R_386_TLS_DESC_CALL, R_386_TLS_DESC):
New.
* x86-64.h (R_X86_64_GOTPC32_TLSDESC, R_X86_64_TLSDESC_CALL,
R_X86_64_TLSDESC): New.
bfd/ChangeLog:
Introduce TLS descriptors for i386 and x86_64.
* reloc.c (BFD_RELOC_386_TLS_GOTDESC, BFD_RELOC_386_TLS_DESC,
BFD_RELOC_386_TLS_DESC_CALL, BFD_RELOC_X86_64_GOTPC32_TLSDESC,
BFD_RELOC_X86_64_TLSDESC, BFD_RELOC_X86_64_TLSDESC_CALL): New.
* libbfd.h, bfd-in2.h: Rebuilt.
* elf32-i386.c (elf_howto_table): New relocations.
(R_386_tls): Adjust.
(elf_i386_reloc_type_lookup): Map new relocations.
(GOT_TLS_GDESC, GOT_TLS_GD_BOTH_P): New macros.
(GOT_TLS_GD_P, GOT_TLS_GDESC_P, GOT_TLS_GD_ANY_P): New macros.
(struct elf_i386_link_hash_entry): Add tlsdesc_got field.
(struct elf_i386_obj_tdata): Add local_tlsdesc_gotent field.
(elf_i386_local_tlsdesc_gotent): New macro.
(struct elf_i386_link_hash_table): Add sgotplt_jump_table_size.
(elf_i386_compute_jump_table_size): New macro.
(link_hash_newfunc): Initialize tlsdesc_got.
(elf_i386_link_hash_table_create): Set sgotplt_jump_table_size.
(elf_i386_tls_transition): Handle R_386_TLS_GOTDESC and
R_386_TLS_DESC_CALL.
(elf_i386_check_relocs): Likewise.  Allocate space for
local_tlsdesc_gotent.
(elf_i386_gc_sweep_hook): Handle R_386_TLS_GOTDESC and
R_386_TLS_DESC_CALL.
(allocate_dynrelocs): Count function PLT relocations.  Reserve
space for TLS descriptors and relocations.
(elf_i386_size_dynamic_sections): Reserve space for TLS
descriptors and relocations.  Set up sgotplt_jump_table_size.
Don't zero reloc_count in srelplt.
(elf_i386_always_size_sections): New.  Set up _TLS_MODULE_BASE_.
(elf_i386_relocate_section): Handle R_386_TLS_GOTDESC and
R_386_TLS_DESC_CALL.
(elf_i386_finish_dynamic_symbol): Use GOT_TLS_GD_ANY_P.
(elf_backend_always_size_sections): Define.
* elf64-x86-64.c (x86_64_elf_howto): Add R_X86_64_GOTPC32_TLSDESC,
R_X86_64_TLSDESC, R_X86_64_TLSDESC_CALL.
(R_X86_64_standard): Adjust.
(x86_64_reloc_map): Map new relocs.
(elf64_x86_64_rtype_to_howto): New, split out of...
(elf64_x86_64_info_to_howto): ... this function, and...
(elf64_x86_64_reloc_type_lookup): ... use it to map elf_reloc_val.
(GOT_TLS_GDESC, GOT_TLS_GD_BOTH_P): New macros.
(GOT_TLS_GD_P, GOT_TLS_GDESC_P, GOT_TLS_GD_ANY_P): New macros.
(struct elf64_x86_64_link_hash_entry): Add tlsdesc_got field.
(struct elf64_x86_64_obj_tdata): Add local_tlsdesc_gotent field.
(elf64_x86_64_local_tlsdesc_gotent): New macro.
(struct elf64_x86_64_link_hash_table): Add tlsdesc_plt,
tlsdesc_got and sgotplt_jump_table_size fields.
(elf64_x86_64_compute_jump_table_size): New macro.
(link_hash_newfunc): Initialize tlsdesc_got.
(elf64_x86_64_link_hash_table_create): Initialize new fields.
(elf64_x86_64_tls_transition): Handle R_X86_64_GOTPC32_TLSDESC and
R_X86_64_TLSDESC_CALL.
(elf64_x86_64_check_relocs): Likewise.  Allocate space for
local_tlsdesc_gotent.
(elf64_x86_64_gc_sweep_hook): Handle R_X86_64_GOTPC32_TLSDESC and
R_X86_64_TLSDESC_CALL.
(allocate_dynrelocs): Count function PLT relocations.  Reserve
space for TLS descriptors and relocations.
(elf64_x86_64_size_dynamic_sections): Reserve space for TLS
descriptors and relocations.  Set up sgotplt_jump_table_size,
tlsdesc_plt and tlsdesc_got.  Make room for them.  Don't zero
reloc_count in srelplt.  Add dynamic entries for DT_TLSDESC_PLT
and DT_TLSDESC_GOT.
(elf64_x86_64_always_size_sections): New.  Set up
_TLS_MODULE_BASE_.
(elf64_x86_64_relocate_section): Handle R_386_TLS_GOTDESC and
R_386_TLS_DESC_CALL.
(elf64_x86_64_finish_dynamic_symbol): Use GOT_TLS_GD_ANY_P.
(elf64_x86_64_finish_dynamic_sections): Set DT_TLSDESC_PLT and
DT_TLSDESC_GOT.  Set up TLS descriptor lazy resolver PLT entry.
(elf_backend_always_size_sections): Define.
binutils/ChangeLog:
Introduce TLS descriptors for i386 and x86_64.
* readelf.c (get_dynamic_type): Handle DT_TLSDESC_GOT and
DT_TLSDESC_PLT.
gas/ChangeLog:
Introduce TLS descriptors for i386 and x86_64.
* config/tc-i386.c (tc_i386_fix_adjustable): Handle
BFD_RELOC_386_TLS_GOTDESC, BFD_RELOC_386_TLS_DESC_CALL,
BFD_RELOC_X86_64_GOTPC32_TLSDESC, BFD_RELOC_X86_64_TLSDESC_CALL.
(optimize_disp): Emit fix up for BFD_RELOC_386_TLS_DESC_CALL and
BFD_RELOC_X86_64_TLSDESC_CALL immediately, and clear the
displacement bits.
(build_modrm_byte): Set up zero modrm for TLS desc calls.
(lex_got): Handle @tlsdesc and @tlscall.
(md_apply_fix, tc_gen_reloc): Handle the new relocations.
ld/testsuite/ChangeLog:
Introduce TLS descriptors for i386 and x86_64.
* ld-i386/i386.exp: Run on x86_64-*-linux* and amd64-*-linux*.
Add new tests.
* ld-i386/pcrel16.d: Add -melf_i386.
* ld-i386/pcrel8.d: Likewise.
* ld-i386/tlsbindesc.dd: New.
* ld-i386/tlsbindesc.rd: New.
* ld-i386/tlsbindesc.s: New.
* ld-i386/tlsbindesc.sd: New.
* ld-i386/tlsbindesc.td: New.
* ld-i386/tlsdesc.dd: New.
* ld-i386/tlsdesc.rd: New.
* ld-i386/tlsdesc.s: New.
* ld-i386/tlsdesc.sd: New.
* ld-i386/tlsdesc.td: New.
* ld-i386/tlsgdesc.dd: New.
* ld-i386/tlsgdesc.rd: New.
* ld-i386/tlsgdesc.s: New.
* ld-x86-64/x86-64.exp: Run new tests.
* ld-x86-64/tlsbindesc.dd: New.
* ld-x86-64/tlsbindesc.rd: New.
* ld-x86-64/tlsbindesc.s: New.
* ld-x86-64/tlsbindesc.sd: New.
* ld-x86-64/tlsbindesc.td: New.
* ld-x86-64/tlsdesc.dd: New.
* ld-x86-64/tlsdesc.pd: New.
* ld-x86-64/tlsdesc.rd: New.
* ld-x86-64/tlsdesc.s: New.
* ld-x86-64/tlsdesc.sd: New.
* ld-x86-64/tlsdesc.td: New.
* ld-x86-64/tlsgdesc.dd: New.
* ld-x86-64/tlsgdesc.rd: New.
* ld-x86-64/tlsgdesc.s: New.
This commit is contained in:
Alexandre Oliva 2006-01-18 21:07:51 +00:00
parent dd942754f0
commit 67a4f2b710
46 changed files with 4763 additions and 120 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

74
bfd/ChangeLog
View File

@ -1,3 +1,77 @@
2006-01-18 Alexandre Oliva <aoliva@redhat.com>
Introduce TLS descriptors for i386 and x86_64.
* reloc.c (BFD_RELOC_386_TLS_GOTDESC, BFD_RELOC_386_TLS_DESC,
BFD_RELOC_386_TLS_DESC_CALL, BFD_RELOC_X86_64_GOTPC32_TLSDESC,
BFD_RELOC_X86_64_TLSDESC, BFD_RELOC_X86_64_TLSDESC_CALL): New.
* libbfd.h, bfd-in2.h: Rebuilt.
* elf32-i386.c (elf_howto_table): New relocations.
(R_386_tls): Adjust.
(elf_i386_reloc_type_lookup): Map new relocations.
(GOT_TLS_GDESC, GOT_TLS_GD_BOTH_P): New macros.
(GOT_TLS_GD_P, GOT_TLS_GDESC_P, GOT_TLS_GD_ANY_P): New macros.
(struct elf_i386_link_hash_entry): Add tlsdesc_got field.
(struct elf_i386_obj_tdata): Add local_tlsdesc_gotent field.
(elf_i386_local_tlsdesc_gotent): New macro.
(struct elf_i386_link_hash_table): Add sgotplt_jump_table_size.
(elf_i386_compute_jump_table_size): New macro.
(link_hash_newfunc): Initialize tlsdesc_got.
(elf_i386_link_hash_table_create): Set sgotplt_jump_table_size.
(elf_i386_tls_transition): Handle R_386_TLS_GOTDESC and
R_386_TLS_DESC_CALL.
(elf_i386_check_relocs): Likewise. Allocate space for
local_tlsdesc_gotent.
(elf_i386_gc_sweep_hook): Handle R_386_TLS_GOTDESC and
R_386_TLS_DESC_CALL.
(allocate_dynrelocs): Count function PLT relocations. Reserve
space for TLS descriptors and relocations.
(elf_i386_size_dynamic_sections): Reserve space for TLS
descriptors and relocations. Set up sgotplt_jump_table_size.
Don't zero reloc_count in srelplt.
(elf_i386_always_size_sections): New. Set up _TLS_MODULE_BASE_.
(elf_i386_relocate_section): Handle R_386_TLS_GOTDESC and
R_386_TLS_DESC_CALL.
(elf_i386_finish_dynamic_symbol): Use GOT_TLS_GD_ANY_P.
(elf_backend_always_size_sections): Define.
* elf64-x86-64.c (x86_64_elf_howto): Add R_X86_64_GOTPC32_TLSDESC,
R_X86_64_TLSDESC, R_X86_64_TLSDESC_CALL.
(R_X86_64_standard): Adjust.
(x86_64_reloc_map): Map new relocs.
(elf64_x86_64_rtype_to_howto): New, split out of...
(elf64_x86_64_info_to_howto): ... this function, and...
(elf64_x86_64_reloc_type_lookup): ... use it to map elf_reloc_val.
(GOT_TLS_GDESC, GOT_TLS_GD_BOTH_P): New macros.
(GOT_TLS_GD_P, GOT_TLS_GDESC_P, GOT_TLS_GD_ANY_P): New macros.
(struct elf64_x86_64_link_hash_entry): Add tlsdesc_got field.
(struct elf64_x86_64_obj_tdata): Add local_tlsdesc_gotent field.
(elf64_x86_64_local_tlsdesc_gotent): New macro.
(struct elf64_x86_64_link_hash_table): Add tlsdesc_plt,
tlsdesc_got and sgotplt_jump_table_size fields.
(elf64_x86_64_compute_jump_table_size): New macro.
(link_hash_newfunc): Initialize tlsdesc_got.
(elf64_x86_64_link_hash_table_create): Initialize new fields.
(elf64_x86_64_tls_transition): Handle R_X86_64_GOTPC32_TLSDESC and
R_X86_64_TLSDESC_CALL.
(elf64_x86_64_check_relocs): Likewise. Allocate space for
local_tlsdesc_gotent.
(elf64_x86_64_gc_sweep_hook): Handle R_X86_64_GOTPC32_TLSDESC and
R_X86_64_TLSDESC_CALL.
(allocate_dynrelocs): Count function PLT relocations. Reserve
space for TLS descriptors and relocations.
(elf64_x86_64_size_dynamic_sections): Reserve space for TLS
descriptors and relocations. Set up sgotplt_jump_table_size,
tlsdesc_plt and tlsdesc_got. Make room for them. Don't zero
reloc_count in srelplt. Add dynamic entries for DT_TLSDESC_PLT
and DT_TLSDESC_GOT.
(elf64_x86_64_always_size_sections): New. Set up
_TLS_MODULE_BASE_.
(elf64_x86_64_relocate_section): Handle R_386_TLS_GOTDESC and
R_386_TLS_DESC_CALL.
(elf64_x86_64_finish_dynamic_symbol): Use GOT_TLS_GD_ANY_P.
(elf64_x86_64_finish_dynamic_sections): Set DT_TLSDESC_PLT and
DT_TLSDESC_GOT. Set up TLS descriptor lazy resolver PLT entry.
(elf_backend_always_size_sections): Define.
2006-01-17 H.J. Lu <hongjiu.lu@intel.com>
PR binutils/2096

9
bfd/bfd-in2.h
View File

@ -8,7 +8,8 @@
/* Main header file for the bfd library -- portable access to object files.
Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
1999, 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
Free Software Foundation, Inc.
Contributed by Cygnus Support.
@ -2661,6 +2662,9 @@ in the instruction. */
BFD_RELOC_386_TLS_DTPMOD32,
BFD_RELOC_386_TLS_DTPOFF32,
BFD_RELOC_386_TLS_TPOFF32,
BFD_RELOC_386_TLS_GOTDESC,
BFD_RELOC_386_TLS_DESC_CALL,
BFD_RELOC_386_TLS_DESC,
/* x86-64/elf relocations */
BFD_RELOC_X86_64_GOT32,
@ -2681,6 +2685,9 @@ in the instruction. */
BFD_RELOC_X86_64_TPOFF32,
BFD_RELOC_X86_64_GOTOFF64,
BFD_RELOC_X86_64_GOTPC32,
BFD_RELOC_X86_64_GOTPC32_TLSDESC,
BFD_RELOC_X86_64_TLSDESC_CALL,
BFD_RELOC_X86_64_TLSDESC,
/* ns32k relocations */
BFD_RELOC_NS32K_IMM_8,

434
bfd/elf32-i386.c
View File

@ -1,6 +1,6 @@
/* Intel 80386/80486-specific support for 32-bit ELF
Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
2003, 2004, 2005 Free Software Foundation, Inc.
2003, 2004, 2005, 2006 Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
@ -126,9 +126,19 @@ static reloc_howto_type elf_howto_table[]=
HOWTO(R_386_TLS_TPOFF32, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
bfd_elf_generic_reloc, "R_386_TLS_TPOFF32",
TRUE, 0xffffffff, 0xffffffff, FALSE),
EMPTY_HOWTO (38),
HOWTO(R_386_TLS_GOTDESC, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
bfd_elf_generic_reloc, "R_386_TLS_GOTDESC",
TRUE, 0xffffffff, 0xffffffff, FALSE),
HOWTO(R_386_TLS_DESC_CALL, 0, 0, 0, FALSE, 0, complain_overflow_dont,
bfd_elf_generic_reloc, "R_386_TLS_DESC_CALL",
FALSE, 0, 0, FALSE),
HOWTO(R_386_TLS_DESC, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
bfd_elf_generic_reloc, "R_386_TLS_DESC",
TRUE, 0xffffffff, 0xffffffff, FALSE),
/* Another gap. */
#define R_386_tls (R_386_TLS_TPOFF32 + 1 - R_386_tls_offset)
#define R_386_tls (R_386_TLS_DESC + 1 - R_386_tls_offset)
#define R_386_vt_offset (R_386_GNU_VTINHERIT - R_386_tls)
/* GNU extension to record C++ vtable hierarchy. */
@ -292,6 +302,18 @@ elf_i386_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
TRACE ("BFD_RELOC_386_TLS_TPOFF32");
return &elf_howto_table[R_386_TLS_TPOFF32 - R_386_tls_offset];
case BFD_RELOC_386_TLS_GOTDESC:
TRACE ("BFD_RELOC_386_TLS_GOTDESC");
return &elf_howto_table[R_386_TLS_GOTDESC - R_386_tls_offset];
case BFD_RELOC_386_TLS_DESC_CALL:
TRACE ("BFD_RELOC_386_TLS_DESC_CALL");
return &elf_howto_table[R_386_TLS_DESC_CALL - R_386_tls_offset];
case BFD_RELOC_386_TLS_DESC:
TRACE ("BFD_RELOC_386_TLS_DESC");
return &elf_howto_table[R_386_TLS_DESC - 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];
@ -559,7 +581,20 @@ struct elf_i386_link_hash_entry
#define GOT_TLS_IE_POS 5
#define GOT_TLS_IE_NEG 6
#define GOT_TLS_IE_BOTH 7
#define GOT_TLS_GDESC 8
#define GOT_TLS_GD_BOTH_P(type) \
((type) == (GOT_TLS_GD | GOT_TLS_GDESC))
#define GOT_TLS_GD_P(type) \
((type) == GOT_TLS_GD || GOT_TLS_GD_BOTH_P (type))
#define GOT_TLS_GDESC_P(type) \
((type) == GOT_TLS_GDESC || GOT_TLS_GD_BOTH_P (type))
#define GOT_TLS_GD_ANY_P(type) \
(GOT_TLS_GD_P (type) || GOT_TLS_GDESC_P (type))
unsigned char tls_type;
/* Offset of the GOTPLT entry reserved for the TLS descriptor,
starting at the end of the jump table. */
bfd_vma tlsdesc_got;
};
#define elf_i386_hash_entry(ent) ((struct elf_i386_link_hash_entry *)(ent))
@ -570,6 +605,9 @@ struct elf_i386_obj_tdata
/* tls_type for each local got entry. */
char *local_got_tls_type;
/* GOTPLT entries for TLS descriptors. */
bfd_vma *local_tlsdesc_gotent;
};
#define elf_i386_tdata(abfd) \
@ -578,6 +616,9 @@ struct elf_i386_obj_tdata
#define elf_i386_local_got_tls_type(abfd) \
(elf_i386_tdata (abfd)->local_got_tls_type)
#define elf_i386_local_tlsdesc_gotent(abfd) \
(elf_i386_tdata (abfd)->local_tlsdesc_gotent)
static bfd_boolean
elf_i386_mkobject (bfd *abfd)
{
@ -620,6 +661,10 @@ struct elf_i386_link_hash_table
bfd_vma offset;
} tls_ldm_got;
/* The amount of space used by the reserved portion of the sgotplt
section, plus whatever space is used by the jump slots. */
bfd_vma sgotplt_jump_table_size;
/* Small local sym to section mapping cache. */
struct sym_sec_cache sym_sec;
};
@ -629,6 +674,9 @@ struct elf_i386_link_hash_table
#define elf_i386_hash_table(p) \
((struct elf_i386_link_hash_table *) ((p)->hash))
#define elf_i386_compute_jump_table_size(htab) \
((htab)->srelplt->reloc_count * 4)
/* Create an entry in an i386 ELF linker hash table. */
static struct bfd_hash_entry *
@ -655,6 +703,7 @@ link_hash_newfunc (struct bfd_hash_entry *entry,
eh = (struct elf_i386_link_hash_entry *) entry;
eh->dyn_relocs = NULL;
eh->tls_type = GOT_UNKNOWN;
eh->tlsdesc_got = (bfd_vma) -1;
}
return entry;
@ -686,6 +735,7 @@ elf_i386_link_hash_table_create (bfd *abfd)
ret->sdynbss = NULL;
ret->srelbss = NULL;
ret->tls_ldm_got.refcount = 0;
ret->sgotplt_jump_table_size = 0;
ret->sym_sec.abfd = NULL;
ret->is_vxworks = 0;
ret->srelplt2 = NULL;
@ -845,6 +895,8 @@ elf_i386_tls_transition (struct bfd_link_info *info, int r_type, int is_local)
switch (r_type)
{
case R_386_TLS_GD:
case R_386_TLS_GOTDESC:
case R_386_TLS_DESC_CALL:
case R_386_TLS_IE_32:
if (is_local)
return R_386_TLS_LE_32;
@ -949,6 +1001,8 @@ elf_i386_check_relocs (bfd *abfd,
case R_386_GOT32:
case R_386_TLS_GD:
case R_386_TLS_GOTDESC:
case R_386_TLS_DESC_CALL:
/* This symbol requires a global offset table entry. */
{
int tls_type, old_tls_type;
@ -958,6 +1012,9 @@ elf_i386_check_relocs (bfd *abfd,
default:
case R_386_GOT32: 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:
tls_type = GOT_TLS_GDESC; break;
case R_386_TLS_IE_32:
if (ELF32_R_TYPE (rel->r_info) == r_type)
tls_type = GOT_TLS_IE_NEG;
@ -987,13 +1044,16 @@ elf_i386_check_relocs (bfd *abfd,
bfd_size_type size;
size = symtab_hdr->sh_info;
size *= (sizeof (bfd_signed_vma) + sizeof(char));
size *= (sizeof (bfd_signed_vma)
+ sizeof (bfd_vma) + sizeof(char));
local_got_refcounts = bfd_zalloc (abfd, size);
if (local_got_refcounts == NULL)
return FALSE;
elf_local_got_refcounts (abfd) = local_got_refcounts;
elf_i386_local_tlsdesc_gotent (abfd)
= (bfd_vma *) (local_got_refcounts + symtab_hdr->sh_info);
elf_i386_local_got_tls_type (abfd)
= (char *) (local_got_refcounts + symtab_hdr->sh_info);
= (char *) (local_got_refcounts + 2 * symtab_hdr->sh_info);
}
local_got_refcounts[r_symndx] += 1;
old_tls_type = elf_i386_local_got_tls_type (abfd) [r_symndx];
@ -1004,11 +1064,14 @@ elf_i386_check_relocs (bfd *abfd,
/* If a TLS symbol is accessed using IE at least once,
there is no point to use dynamic model for it. */
else if (old_tls_type != tls_type && old_tls_type != GOT_UNKNOWN
&& (old_tls_type != GOT_TLS_GD
&& (! GOT_TLS_GD_ANY_P (old_tls_type)
|| (tls_type & GOT_TLS_IE) == 0))
{
if ((old_tls_type & GOT_TLS_IE) && tls_type == GOT_TLS_GD)
if ((old_tls_type & GOT_TLS_IE) && GOT_TLS_GD_ANY_P (tls_type))
tls_type = old_tls_type;
else if (GOT_TLS_GD_ANY_P (old_tls_type)
&& GOT_TLS_GD_ANY_P (tls_type))
tls_type |= old_tls_type;
else
{
(*_bfd_error_handler)
@ -1316,6 +1379,8 @@ elf_i386_gc_sweep_hook (bfd *abfd,
break;
case R_386_TLS_GD:
case R_386_TLS_GOTDESC:
case R_386_TLS_DESC_CALL:
case R_386_TLS_IE_32:
case R_386_TLS_IE:
case R_386_TLS_GOTIE:
@ -1579,6 +1644,7 @@ allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
/* We also need to make an entry in the .rel.plt section. */
htab->srelplt->size += sizeof (Elf32_External_Rel);
htab->srelplt->reloc_count++;
if (htab->is_vxworks && !info->shared)
{
@ -1612,6 +1678,9 @@ allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
h->needs_plt = 0;
}
eh = (struct elf_i386_link_hash_entry *) h;
eh->tlsdesc_got = (bfd_vma) -1;
/* If R_386_TLS_{IE_32,IE,GOTIE} symbol is now local to the binary,
make it a R_386_TLS_LE_32 requiring no TLS entry. */
if (h->got.refcount > 0
@ -1635,11 +1704,22 @@ allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
}
s = htab->sgot;
h->got.offset = s->size;
s->size += 4;
/* R_386_TLS_GD needs 2 consecutive GOT slots. */
if (tls_type == GOT_TLS_GD || tls_type == GOT_TLS_IE_BOTH)
s->size += 4;
if (GOT_TLS_GDESC_P (tls_type))
{
eh->tlsdesc_got = htab->sgotplt->size
- elf_i386_compute_jump_table_size (htab);
htab->sgotplt->size += 8;
h->got.offset = (bfd_vma) -2;
}
if (! GOT_TLS_GDESC_P (tls_type)
|| GOT_TLS_GD_P (tls_type))
{
h->got.offset = s->size;
s->size += 4;
/* R_386_TLS_GD needs 2 consecutive GOT slots. */
if (GOT_TLS_GD_P (tls_type) || tls_type == GOT_TLS_IE_BOTH)
s->size += 4;
}
dyn = htab->elf.dynamic_sections_created;
/* R_386_TLS_IE_32 needs one dynamic relocation,
R_386_TLS_IE resp. R_386_TLS_GOTIE needs one dynamic relocation,
@ -1648,21 +1728,23 @@ allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
global. */
if (tls_type == GOT_TLS_IE_BOTH)
htab->srelgot->size += 2 * sizeof (Elf32_External_Rel);
else if ((tls_type == GOT_TLS_GD && h->dynindx == -1)
else if ((GOT_TLS_GD_P (tls_type) && h->dynindx == -1)
|| (tls_type & GOT_TLS_IE))
htab->srelgot->size += sizeof (Elf32_External_Rel);
else if (tls_type == GOT_TLS_GD)
else if (GOT_TLS_GD_P (tls_type))
htab->srelgot->size += 2 * sizeof (Elf32_External_Rel);
else if ((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
|| h->root.type != bfd_link_hash_undefweak)
else if (! GOT_TLS_GDESC_P (tls_type)
&& (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
|| h->root.type != bfd_link_hash_undefweak)
&& (info->shared
|| WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, h)))
htab->srelgot->size += sizeof (Elf32_External_Rel);
if (GOT_TLS_GDESC_P (tls_type))
htab->srelplt->size += sizeof (Elf32_External_Rel);
}
else
h->got.offset = (bfd_vma) -1;
eh = (struct elf_i386_link_hash_entry *) h;
if (eh->dyn_relocs == NULL)
return TRUE;
@ -1810,6 +1892,7 @@ elf_i386_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
bfd_signed_vma *local_got;
bfd_signed_vma *end_local_got;
char *local_tls_type;
bfd_vma *local_tlsdesc_gotent;
bfd_size_type locsymcount;
Elf_Internal_Shdr *symtab_hdr;
asection *srel;
@ -1852,25 +1935,42 @@ elf_i386_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
locsymcount = symtab_hdr->sh_info;
end_local_got = local_got + locsymcount;
local_tls_type = elf_i386_local_got_tls_type (ibfd);
local_tlsdesc_gotent = elf_i386_local_tlsdesc_gotent (ibfd);
s = htab->sgot;
srel = htab->srelgot;
for (; local_got < end_local_got; ++local_got, ++local_tls_type)
for (; local_got < end_local_got;
++local_got, ++local_tls_type, ++local_tlsdesc_gotent)
{
*local_tlsdesc_gotent = (bfd_vma) -1;
if (*local_got > 0)
{
*local_got = s->size;
s->size += 4;
if (*local_tls_type == GOT_TLS_GD
|| *local_tls_type == GOT_TLS_IE_BOTH)
s->size += 4;
if (GOT_TLS_GDESC_P (*local_tls_type))
{
*local_tlsdesc_gotent = htab->sgotplt->size
- elf_i386_compute_jump_table_size (htab);
htab->sgotplt->size += 8;
*local_got = (bfd_vma) -2;
}
if (! GOT_TLS_GDESC_P (*local_tls_type)
|| GOT_TLS_GD_P (*local_tls_type))
{
*local_got = s->size;
s->size += 4;
if (GOT_TLS_GD_P (*local_tls_type)
|| *local_tls_type == GOT_TLS_IE_BOTH)
s->size += 4;
}
if (info->shared
|| *local_tls_type == GOT_TLS_GD
|| GOT_TLS_GD_ANY_P (*local_tls_type)
|| (*local_tls_type & GOT_TLS_IE))
{
if (*local_tls_type == GOT_TLS_IE_BOTH)
srel->size += 2 * sizeof (Elf32_External_Rel);
else
else if (GOT_TLS_GD_P (*local_tls_type)
|| ! GOT_TLS_GDESC_P (*local_tls_type))
srel->size += sizeof (Elf32_External_Rel);
if (GOT_TLS_GDESC_P (*local_tls_type))
htab->srelplt->size += sizeof (Elf32_External_Rel);
}
}
else
@ -1914,6 +2014,14 @@ elf_i386_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
sym dynamic relocs. */
elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, (PTR) info);
/* For every jump slot reserved in the sgotplt, reloc_count is
incremented. However, when we reserve space for TLS descriptors,
it's not incremented, so in order to compute the space reserved
for them, it suffices to multiply the reloc count by the jump
slot size. */
if (htab->srelplt)
htab->sgotplt_jump_table_size = htab->srelplt->reloc_count * 4;
/* We now have determined the sizes of the various dynamic sections.
Allocate memory for them. */
relocs = FALSE;
@ -1945,7 +2053,8 @@ elf_i386_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
/* We use the reloc_count field as a counter if we need
to copy relocs into the output file. */
s->reloc_count = 0;
if (s != htab->srelplt)
s->reloc_count = 0;
}
else
{
@ -2032,6 +2141,41 @@ elf_i386_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
return TRUE;
}
static bfd_boolean
elf_i386_always_size_sections (bfd *output_bfd,
struct bfd_link_info *info)
{
asection *tls_sec = elf_hash_table (info)->tls_sec;
if (tls_sec)
{
struct elf_link_hash_entry *tlsbase;
tlsbase = elf_link_hash_lookup (elf_hash_table (info),
"_TLS_MODULE_BASE_",
FALSE, FALSE, FALSE);
if (tlsbase && tlsbase->type == STT_TLS)
{
struct bfd_link_hash_entry *bh = NULL;
const struct elf_backend_data *bed
= get_elf_backend_data (output_bfd);
if (!(_bfd_generic_link_add_one_symbol
(info, output_bfd, "_TLS_MODULE_BASE_", BSF_LOCAL,
tls_sec, 0, NULL, FALSE,
bed->collect, &bh)))
return FALSE;
tlsbase = (struct elf_link_hash_entry *)bh;
tlsbase->def_regular = 1;
tlsbase->other = STV_HIDDEN;
(*bed->elf_backend_hide_symbol) (info, tlsbase, TRUE);
}
}
return TRUE;
}
/* Set the correct type for an x86 ELF section. We do this by the
section name, which is a hack, but ought to work. */
@ -2109,6 +2253,7 @@ elf_i386_relocate_section (bfd *output_bfd,
Elf_Internal_Shdr *symtab_hdr;
struct elf_link_hash_entry **sym_hashes;
bfd_vma *local_got_offsets;
bfd_vma *local_tlsdesc_gotents;
Elf_Internal_Rela *rel;
Elf_Internal_Rela *relend;
@ -2116,6 +2261,7 @@ elf_i386_relocate_section (bfd *output_bfd,
symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
sym_hashes = elf_sym_hashes (input_bfd);
local_got_offsets = elf_local_got_offsets (input_bfd);
local_tlsdesc_gotents = elf_i386_local_tlsdesc_gotent (input_bfd);
rel = relocs;
relend = relocs + input_section->reloc_count;
@ -2127,7 +2273,7 @@ elf_i386_relocate_section (bfd *output_bfd,
struct elf_link_hash_entry *h;
Elf_Internal_Sym *sym;
asection *sec;
bfd_vma off;
bfd_vma off, offplt;
bfd_vma relocation;
bfd_boolean unresolved_reloc;
bfd_reloc_status_type r;
@ -2549,6 +2695,8 @@ elf_i386_relocate_section (bfd *output_bfd,
/* Fall through */
case R_386_TLS_GD:
case R_386_TLS_GOTDESC:
case R_386_TLS_DESC_CALL:
case R_386_TLS_IE_32:
case R_386_TLS_GOTIE:
r_type = elf_i386_tls_transition (info, r_type, h == NULL);
@ -2563,7 +2711,9 @@ elf_i386_relocate_section (bfd *output_bfd,
}
if (tls_type == GOT_TLS_IE)
tls_type = GOT_TLS_IE_NEG;
if (r_type == R_386_TLS_GD)
if (r_type == R_386_TLS_GD
|| r_type == R_386_TLS_GOTDESC
|| r_type == R_386_TLS_DESC_CALL)
{
if (tls_type == GOT_TLS_IE_POS)
r_type = R_386_TLS_GOTIE;
@ -2637,6 +2787,63 @@ elf_i386_relocate_section (bfd *output_bfd,
rel++;
continue;
}
else if (ELF32_R_TYPE (rel->r_info) == R_386_TLS_GOTDESC)
{
/* GDesc -> LE transition.
It's originally something like:
leal x@tlsdesc(%ebx), %eax
leal x@ntpoff, %eax
Registers other than %eax may be set up here. */
unsigned int val, type;
bfd_vma roff;
/* First, make sure it's a leal adding ebx to a
32-bit offset into any register, although it's
probably almost always going to be eax. */
roff = rel->r_offset;
BFD_ASSERT (roff >= 2);
type = bfd_get_8 (input_bfd, contents + roff - 2);
BFD_ASSERT (type == 0x8d);
val = bfd_get_8 (input_bfd, contents + roff - 1);
BFD_ASSERT ((val & 0xc7) == 0x83);
BFD_ASSERT (roff + 4 <= input_section->size);
/* Now modify the instruction as appropriate. */
/* aoliva FIXME: remove the above and xor the byte
below with 0x86. */
bfd_put_8 (output_bfd, val ^ 0x86,
contents + roff - 1);
bfd_put_32 (output_bfd, -tpoff (info, relocation),
contents + roff);
continue;
}
else if (ELF32_R_TYPE (rel->r_info) == R_386_TLS_DESC_CALL)
{
/* GDesc -> LE transition.
It's originally:
call *(%eax)
Turn it into:
nop; nop */
unsigned int val, type;
bfd_vma roff;
/* First, make sure it's a call *(%eax). */
roff = rel->r_offset;
BFD_ASSERT (roff + 2 <= input_section->size);
type = bfd_get_8 (input_bfd, contents + roff);
BFD_ASSERT (type == 0xff);
val = bfd_get_8 (input_bfd, contents + roff + 1);
BFD_ASSERT (val == 0x10);
/* Now modify the instruction as appropriate. */
bfd_put_8 (output_bfd, 0x90, contents + roff);
bfd_put_8 (output_bfd, 0x90, contents + roff + 1);
continue;
}
else if (ELF32_R_TYPE (rel->r_info) == R_386_TLS_IE)
{
unsigned int val, type;
@ -2751,13 +2958,17 @@ elf_i386_relocate_section (bfd *output_bfd,
abort ();
if (h != NULL)
off = h->got.offset;
{
off = h->got.offset;
offplt = elf_i386_hash_entry (h)->tlsdesc_got;
}
else
{
if (local_got_offsets == NULL)
abort ();
off = local_got_offsets[r_symndx];
offplt = local_tlsdesc_gotents[r_symndx];
}
if ((off & 1) != 0)
@ -2767,35 +2978,77 @@ elf_i386_relocate_section (bfd *output_bfd,
Elf_Internal_Rela outrel;
bfd_byte *loc;
int dr_type, indx;
asection *sreloc;
if (htab->srelgot == NULL)
abort ();
indx = h && h->dynindx != -1 ? h->dynindx : 0;
if (GOT_TLS_GDESC_P (tls_type))
{
outrel.r_info = ELF32_R_INFO (indx, R_386_TLS_DESC);
BFD_ASSERT (htab->sgotplt_jump_table_size + offplt + 8
<= htab->sgotplt->size);
outrel.r_offset = (htab->sgotplt->output_section->vma
+ htab->sgotplt->output_offset
+ offplt
+ htab->sgotplt_jump_table_size);
sreloc = htab->srelplt;
loc = sreloc->contents;
loc += sreloc->reloc_count++
* sizeof (Elf32_External_Rel);
BFD_ASSERT (loc + sizeof (Elf32_External_Rel)
<= sreloc->contents + sreloc->size);
bfd_elf32_swap_reloc_out (output_bfd, &outrel, loc);
if (indx == 0)
{
BFD_ASSERT (! unresolved_reloc);
bfd_put_32 (output_bfd,
relocation - dtpoff_base (info),
htab->sgotplt->contents + offplt
+ htab->sgotplt_jump_table_size + 4);
}
else
{
bfd_put_32 (output_bfd, 0,
htab->sgotplt->contents + offplt
+ htab->sgotplt_jump_table_size + 4);
}
}
sreloc = htab->srelgot;
outrel.r_offset = (htab->sgot->output_section->vma
+ htab->sgot->output_offset + off);
indx = h && h->dynindx != -1 ? h->dynindx : 0;
if (r_type == R_386_TLS_GD)
if (GOT_TLS_GD_P (tls_type))
dr_type = R_386_TLS_DTPMOD32;
else if (GOT_TLS_GDESC_P (tls_type))
goto dr_done;
else if (tls_type == GOT_TLS_IE_POS)
dr_type = R_386_TLS_TPOFF;
else
dr_type = R_386_TLS_TPOFF32;
if (dr_type == R_386_TLS_TPOFF && indx == 0)
bfd_put_32 (output_bfd, relocation - dtpoff_base (info),
htab->sgot->contents + off);
else if (dr_type == R_386_TLS_TPOFF32 && indx == 0)
bfd_put_32 (output_bfd, dtpoff_base (info) - relocation,
htab->sgot->contents + off);
else
else if (dr_type != R_386_TLS_DESC)
bfd_put_32 (output_bfd, 0,
htab->sgot->contents + off);
outrel.r_info = ELF32_R_INFO (indx, dr_type);
loc = htab->srelgot->contents;
loc += htab->srelgot->reloc_count++ * sizeof (Elf32_External_Rel);
loc = sreloc->contents;
loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rel);
BFD_ASSERT (loc + sizeof (Elf32_External_Rel)
<= sreloc->contents + sreloc->size);
bfd_elf32_swap_reloc_out (output_bfd, &outrel, loc);
if (r_type == R_386_TLS_GD)
if (GOT_TLS_GD_P (tls_type))
{
if (indx == 0)
{
@ -2811,8 +3064,10 @@ elf_i386_relocate_section (bfd *output_bfd,
outrel.r_info = ELF32_R_INFO (indx,
R_386_TLS_DTPOFF32);
outrel.r_offset += 4;
htab->srelgot->reloc_count++;
sreloc->reloc_count++;
loc += sizeof (Elf32_External_Rel);
BFD_ASSERT (loc + sizeof (Elf32_External_Rel)
<= sreloc->contents + sreloc->size);
bfd_elf32_swap_reloc_out (output_bfd, &outrel, loc);
}
}
@ -2823,25 +3078,33 @@ elf_i386_relocate_section (bfd *output_bfd,
htab->sgot->contents + off + 4);
outrel.r_info = ELF32_R_INFO (indx, R_386_TLS_TPOFF);
outrel.r_offset += 4;
htab->srelgot->reloc_count++;
sreloc->reloc_count++;
loc += sizeof (Elf32_External_Rel);
bfd_elf32_swap_reloc_out (output_bfd, &outrel, loc);
}
dr_done:
if (h != NULL)
h->got.offset |= 1;
else
local_got_offsets[r_symndx] |= 1;
}
if (off >= (bfd_vma) -2)
if (off >= (bfd_vma) -2
&& ! GOT_TLS_GDESC_P (tls_type))
abort ();
if (r_type == ELF32_R_TYPE (rel->r_info))
if (r_type == R_386_TLS_GOTDESC
|| r_type == R_386_TLS_DESC_CALL)
{
relocation = htab->sgotplt_jump_table_size + offplt;
unresolved_reloc = FALSE;
}
else if (r_type == ELF32_R_TYPE (rel->r_info))
{
bfd_vma g_o_t = htab->sgotplt->output_section->vma
+ htab->sgotplt->output_offset;
relocation = htab->sgot->output_section->vma
+ htab->sgot->output_offset + off - g_o_t;
+ htab->sgot->output_offset + off - g_o_t;
if ((r_type == R_386_TLS_IE || r_type == R_386_TLS_GOTIE)
&& tls_type == GOT_TLS_IE_BOTH)
relocation += 4;
@ -2849,7 +3112,7 @@ elf_i386_relocate_section (bfd *output_bfd,
relocation += g_o_t;
unresolved_reloc = FALSE;
}
else
else if (ELF32_R_TYPE (rel->r_info) == R_386_TLS_GD)
{
unsigned int val, type;
bfd_vma roff;
@ -2913,6 +3176,94 @@ elf_i386_relocate_section (bfd *output_bfd,
rel++;
continue;
}
else if (ELF32_R_TYPE (rel->r_info) == R_386_TLS_GOTDESC)
{
/* GDesc -> IE transition.
It's originally something like:
leal x@tlsdesc(%ebx), %eax
Change it to:
movl x@gotntpoff(%ebx), %eax # before nop; nop
or:
movl x@gottpoff(%ebx), %eax # before negl %eax
Registers other than %eax may be set up here. */
unsigned int val, type;
bfd_vma roff;
/* First, make sure it's a leal adding ebx to a 32-bit
offset into any register, although it's probably
almost always going to be eax. */
roff = rel->r_offset;
BFD_ASSERT (roff >= 2);
type = bfd_get_8 (input_bfd, contents + roff - 2);
BFD_ASSERT (type == 0x8d);
val = bfd_get_8 (input_bfd, contents + roff - 1);
BFD_ASSERT ((val & 0xc7) == 0x83);
BFD_ASSERT (roff + 4 <= input_section->size);
/* Now modify the instruction as appropriate. */
/* To turn a leal into a movl in the form we use it, it
suffices to change the first byte from 0x8d to 0x8b.
aoliva FIXME: should we decide to keep the leal, all
we have to do is remove the statement below, and
adjust the relaxation of R_386_TLS_DESC_CALL. */
bfd_put_8 (output_bfd, 0x8b, contents + roff - 2);
if (tls_type == GOT_TLS_IE_BOTH)
off += 4;
bfd_put_32 (output_bfd,
htab->sgot->output_section->vma
+ htab->sgot->output_offset + off
- htab->sgotplt->output_section->vma
- htab->sgotplt->output_offset,
contents + roff);
continue;
}
else if (ELF32_R_TYPE (rel->r_info) == R_386_TLS_DESC_CALL)
{
/* GDesc -> IE transition.
It's originally:
call *(%eax)
Change it to:
nop; nop
or
negl %eax
depending on how we transformed the TLS_GOTDESC above.
*/
unsigned int val, type;
bfd_vma roff;
/* First, make sure it's a call *(%eax). */
roff = rel->r_offset;
BFD_ASSERT (roff + 2 <= input_section->size);
type = bfd_get_8 (input_bfd, contents + roff);
BFD_ASSERT (type == 0xff);
val = bfd_get_8 (input_bfd, contents + roff + 1);
BFD_ASSERT (val == 0x10);
/* Now modify the instruction as appropriate. */
if (tls_type != GOT_TLS_IE_NEG)
{
/* nop; nop */
bfd_put_8 (output_bfd, 0x90, contents + roff);
bfd_put_8 (output_bfd, 0x90, contents + roff + 1);
}
else
{
/* negl %eax */
bfd_put_8 (output_bfd, 0xf7, contents + roff);
bfd_put_8 (output_bfd, 0xd8, contents + roff + 1);
}
continue;
}
else
BFD_ASSERT (FALSE);
break;
case R_386_TLS_LDM:
@ -3220,7 +3571,7 @@ elf_i386_finish_dynamic_symbol (bfd *output_bfd,
}
if (h->got.offset != (bfd_vma) -1
&& elf_i386_hash_entry(h)->tls_type != GOT_TLS_GD
&& ! GOT_TLS_GD_ANY_P (elf_i386_hash_entry(h)->tls_type)
&& (elf_i386_hash_entry(h)->tls_type & GOT_TLS_IE) == 0)
{
Elf_Internal_Rela rel;
@ -3555,6 +3906,7 @@ elf_i386_plt_sym_val (bfd_vma i, const asection *plt,
#define elf_backend_reloc_type_class elf_i386_reloc_type_class
#define elf_backend_relocate_section elf_i386_relocate_section
#define elf_backend_size_dynamic_sections elf_i386_size_dynamic_sections
#define elf_backend_always_size_sections elf_i386_always_size_sections
#define elf_backend_plt_sym_val elf_i386_plt_sym_val
#include "elf32-target.h"

554
bfd/elf64-x86-64.c
View File

@ -1,5 +1,5 @@
/* X86-64 specific support for 64-bit ELF
Copyright 2000, 2001, 2002, 2003, 2004, 2005
Copyright 2000, 2001, 2002, 2003, 2004, 2005, 2006
Free Software Foundation, Inc.
Contributed by Jan Hubicka <jh@suse.cz>.
@ -112,12 +112,31 @@ static reloc_howto_type x86_64_elf_howto_table[] =
HOWTO(R_X86_64_GOTPC32, 0, 2, 32, TRUE, 0, complain_overflow_signed,
bfd_elf_generic_reloc, "R_X86_64_GOTPC32",
FALSE, 0xffffffff, 0xffffffff, TRUE),
EMPTY_HOWTO (27),
EMPTY_HOWTO (28),
EMPTY_HOWTO (29),
EMPTY_HOWTO (30),
EMPTY_HOWTO (31),
EMPTY_HOWTO (32),
EMPTY_HOWTO (33),
HOWTO(R_X86_64_GOTPC32_TLSDESC, 0, 2, 32, TRUE, 0,
complain_overflow_bitfield, bfd_elf_generic_reloc,
"R_X86_64_GOTPC32_TLSDESC",
FALSE, 0xffffffff, 0xffffffff, TRUE),
HOWTO(R_X86_64_TLSDESC_CALL, 0, 0, 0, FALSE, 0,
complain_overflow_dont, bfd_elf_generic_reloc,
"R_X86_64_TLSDESC_CALL",
FALSE, 0, 0, FALSE),
HOWTO(R_X86_64_TLSDESC, 0, 4, 64, FALSE, 0,
complain_overflow_bitfield, bfd_elf_generic_reloc,
"R_X86_64_TLSDESC",
FALSE, MINUS_ONE, MINUS_ONE, FALSE),
/* 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_GOTPC32 + 1)
#define R_X86_64_standard (R_X86_64_TLSDESC + 1)
#define R_X86_64_vt_offset (R_X86_64_GNU_VTINHERIT - R_X86_64_standard)
/* GNU extension to record C++ vtable hierarchy. */
@ -166,36 +185,18 @@ static const struct elf_reloc_map x86_64_reloc_map[] =
{ BFD_RELOC_64_PCREL, R_X86_64_PC64, },
{ BFD_RELOC_X86_64_GOTOFF64, R_X86_64_GOTOFF64, },
{ BFD_RELOC_X86_64_GOTPC32, R_X86_64_GOTPC32, },
{ BFD_RELOC_X86_64_GOTPC32_TLSDESC, R_X86_64_GOTPC32_TLSDESC, },
{ BFD_RELOC_X86_64_TLSDESC_CALL, R_X86_64_TLSDESC_CALL, },
{ BFD_RELOC_X86_64_TLSDESC, R_X86_64_TLSDESC, },
{ BFD_RELOC_VTABLE_INHERIT, R_X86_64_GNU_VTINHERIT, },
{ BFD_RELOC_VTABLE_ENTRY, R_X86_64_GNU_VTENTRY, },
};
/* Given a BFD reloc type, return a HOWTO structure. */
static reloc_howto_type *
elf64_x86_64_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
bfd_reloc_code_real_type code)
elf64_x86_64_rtype_to_howto (bfd *abfd, unsigned r_type)
{
unsigned int i;
unsigned i;
for (i = 0; i < sizeof (x86_64_reloc_map) / sizeof (struct elf_reloc_map);
i++)
{
if (x86_64_reloc_map[i].bfd_reloc_val == code)
return &x86_64_elf_howto_table[i];
}
return 0;
}
/* Given an x86_64 ELF reloc type, fill in an arelent structure. */
static void
elf64_x86_64_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, arelent *cache_ptr,
Elf_Internal_Rela *dst)
{
unsigned r_type, i;
r_type = ELF64_R_TYPE (dst->r_info);
if (r_type < (unsigned int) R_X86_64_GNU_VTINHERIT
|| r_type >= (unsigned int) R_X86_64_max)
{
@ -209,7 +210,37 @@ elf64_x86_64_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, arelent *cache_ptr,
}
else
i = r_type - (unsigned int) R_X86_64_vt_offset;
cache_ptr->howto = &x86_64_elf_howto_table[i];
BFD_ASSERT (x86_64_elf_howto_table[i].type == r_type);
return &x86_64_elf_howto_table[i];
}
/* Given a BFD reloc type, return a HOWTO structure. */
static reloc_howto_type *
elf64_x86_64_reloc_type_lookup (bfd *abfd,
bfd_reloc_code_real_type code)
{
unsigned int i;
for (i = 0; i < sizeof (x86_64_reloc_map) / sizeof (struct elf_reloc_map);
i++)
{
if (x86_64_reloc_map[i].bfd_reloc_val == code)
return elf64_x86_64_rtype_to_howto (abfd,
x86_64_reloc_map[i].elf_reloc_val);
}
return 0;
}
/* Given an x86_64 ELF reloc type, fill in an arelent structure. */
static void
elf64_x86_64_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, arelent *cache_ptr,
Elf_Internal_Rela *dst)
{
unsigned r_type;
r_type = ELF64_R_TYPE (dst->r_info);
cache_ptr->howto = elf64_x86_64_rtype_to_howto (abfd, r_type);
BFD_ASSERT (r_type == cache_ptr->howto->type);
}
@ -353,7 +384,20 @@ struct elf64_x86_64_link_hash_entry
#define GOT_NORMAL 1
#define GOT_TLS_GD 2
#define GOT_TLS_IE 3
#define GOT_TLS_GDESC 4
#define GOT_TLS_GD_BOTH_P(type) \
((type) == (GOT_TLS_GD | GOT_TLS_GDESC))
#define GOT_TLS_GD_P(type) \
((type) == GOT_TLS_GD || GOT_TLS_GD_BOTH_P (type))
#define GOT_TLS_GDESC_P(type) \
((type) == GOT_TLS_GDESC || GOT_TLS_GD_BOTH_P (type))
#define GOT_TLS_GD_ANY_P(type) \
(GOT_TLS_GD_P (type) || GOT_TLS_GDESC_P (type))
unsigned char tls_type;
/* Offset of the GOTPLT entry reserved for the TLS descriptor,
starting at the end of the jump table. */
bfd_vma tlsdesc_got;
};
#define elf64_x86_64_hash_entry(ent) \
@ -365,6 +409,9 @@ struct elf64_x86_64_obj_tdata
/* tls_type for each local got entry. */
char *local_got_tls_type;
/* GOTPLT entries for TLS descriptors. */
bfd_vma *local_tlsdesc_gotent;
};
#define elf64_x86_64_tdata(abfd) \
@ -373,6 +420,8 @@ struct elf64_x86_64_obj_tdata
#define elf64_x86_64_local_got_tls_type(abfd) \
(elf64_x86_64_tdata (abfd)->local_got_tls_type)
#define elf64_x86_64_local_tlsdesc_gotent(abfd) \
(elf64_x86_64_tdata (abfd)->local_tlsdesc_gotent)
/* x86-64 ELF linker hash table. */
@ -389,11 +438,23 @@ struct elf64_x86_64_link_hash_table
asection *sdynbss;
asection *srelbss;
/* The offset into splt of the PLT entry for the TLS descriptor
resolver. Special values are 0, if not necessary (or not found
to be necessary yet), and -1 if needed but not determined
yet. */
bfd_vma tlsdesc_plt;
/* The offset into sgot of the GOT entry used by the PLT entry
above. */
bfd_vma tlsdesc_got;
union {
bfd_signed_vma refcount;
bfd_vma offset;
} tls_ld_got;
/* The amount of space used by the jump slots in the GOT. */
bfd_vma sgotplt_jump_table_size;
/* Small local sym to section mapping cache. */
struct sym_sec_cache sym_sec;
};
@ -403,6 +464,9 @@ struct elf64_x86_64_link_hash_table
#define elf64_x86_64_hash_table(p) \
((struct elf64_x86_64_link_hash_table *) ((p)->hash))
#define elf64_x86_64_compute_jump_table_size(htab) \
((htab)->srelplt->reloc_count * GOT_ENTRY_SIZE)
/* Create an entry in an x86-64 ELF linker hash table. */
static struct bfd_hash_entry *
@ -428,6 +492,7 @@ link_hash_newfunc (struct bfd_hash_entry *entry, struct bfd_hash_table *table,
eh = (struct elf64_x86_64_link_hash_entry *) entry;
eh->dyn_relocs = NULL;
eh->tls_type = GOT_UNKNOWN;
eh->tlsdesc_got = (bfd_vma) -1;
}
return entry;
@ -459,7 +524,10 @@ elf64_x86_64_link_hash_table_create (bfd *abfd)
ret->sdynbss = NULL;
ret->srelbss = NULL;
ret->sym_sec.abfd = NULL;
ret->tlsdesc_plt = 0;
ret->tlsdesc_got = 0;
ret->tls_ld_got.refcount = 0;
ret->sgotplt_jump_table_size = 0;
return &ret->elf.root;
}
@ -616,6 +684,8 @@ elf64_x86_64_tls_transition (struct bfd_link_info *info, int r_type, int is_loca
switch (r_type)
{
case R_X86_64_TLSGD:
case R_X86_64_GOTPC32_TLSDESC:
case R_X86_64_TLSDESC_CALL:
case R_X86_64_GOTTPOFF:
if (is_local)
return R_X86_64_TPOFF32;
@ -706,6 +776,8 @@ elf64_x86_64_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec,
case R_X86_64_GOT32:
case R_X86_64_GOTPCREL:
case R_X86_64_TLSGD:
case R_X86_64_GOTPC32_TLSDESC:
case R_X86_64_TLSDESC_CALL:
/* This symbol requires a global offset table entry. */
{
int tls_type, old_tls_type;
@ -715,6 +787,9 @@ elf64_x86_64_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec,
default: tls_type = GOT_NORMAL; break;
case R_X86_64_TLSGD: tls_type = GOT_TLS_GD; break;
case R_X86_64_GOTTPOFF: tls_type = GOT_TLS_IE; break;
case R_X86_64_GOTPC32_TLSDESC:
case R_X86_64_TLSDESC_CALL:
tls_type = GOT_TLS_GDESC; break;
}
if (h != NULL)
@ -733,14 +808,17 @@ elf64_x86_64_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec,
bfd_size_type size;
size = symtab_hdr->sh_info;
size *= sizeof (bfd_signed_vma) + sizeof (char);
size *= sizeof (bfd_signed_vma)
+ sizeof (bfd_vma) + sizeof (char);
local_got_refcounts = ((bfd_signed_vma *)
bfd_zalloc (abfd, size));
if (local_got_refcounts == NULL)
return FALSE;
elf_local_got_refcounts (abfd) = local_got_refcounts;
elf64_x86_64_local_tlsdesc_gotent (abfd)
= (bfd_vma *) (local_got_refcounts + symtab_hdr->sh_info);
elf64_x86_64_local_got_tls_type (abfd)
= (char *) (local_got_refcounts + symtab_hdr->sh_info);
= (char *) (local_got_refcounts + 2 * symtab_hdr->sh_info);
}
local_got_refcounts[r_symndx] += 1;
old_tls_type
@ -750,10 +828,14 @@ elf64_x86_64_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec,
/* If a TLS symbol is accessed using IE at least once,
there is no point to use dynamic model for it. */
if (old_tls_type != tls_type && old_tls_type != GOT_UNKNOWN
&& (old_tls_type != GOT_TLS_GD || tls_type != GOT_TLS_IE))
&& (! GOT_TLS_GD_ANY_P (old_tls_type)
|| tls_type != GOT_TLS_IE))
{
if (old_tls_type == GOT_TLS_IE && tls_type == GOT_TLS_GD)
if (old_tls_type == GOT_TLS_IE && GOT_TLS_GD_ANY_P (tls_type))
tls_type = old_tls_type;
else if (GOT_TLS_GD_ANY_P (old_tls_type)
&& GOT_TLS_GD_ANY_P (tls_type))
tls_type |= old_tls_type;
else
{
(*_bfd_error_handler)
@ -1101,6 +1183,8 @@ elf64_x86_64_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info,
break;
case R_X86_64_TLSGD:
case R_X86_64_GOTPC32_TLSDESC:
case R_X86_64_TLSDESC_CALL:
case R_X86_64_GOTTPOFF:
case R_X86_64_GOT32:
case R_X86_64_GOTPCREL:
@ -1368,6 +1452,7 @@ allocate_dynrelocs (struct elf_link_hash_entry *h, void * inf)
/* We also need to make an entry in the .rela.plt section. */
htab->srelplt->size += sizeof (Elf64_External_Rela);
htab->srelplt->reloc_count++;
}
else
{
@ -1381,6 +1466,9 @@ allocate_dynrelocs (struct elf_link_hash_entry *h, void * inf)
h->needs_plt = 0;
}
eh = (struct elf64_x86_64_link_hash_entry *) h;
eh->tlsdesc_got = (bfd_vma) -1;
/* If R_X86_64_GOTTPOFF symbol is now local to the binary,
make it a R_X86_64_TPOFF32 requiring no GOT entry. */
if (h->got.refcount > 0
@ -1403,31 +1491,46 @@ allocate_dynrelocs (struct elf_link_hash_entry *h, void * inf)
return FALSE;
}
s = htab->sgot;
h->got.offset = s->size;
s->size += GOT_ENTRY_SIZE;
/* R_X86_64_TLSGD needs 2 consecutive GOT slots. */
if (tls_type == GOT_TLS_GD)
s->size += GOT_ENTRY_SIZE;
if (GOT_TLS_GDESC_P (tls_type))
{
eh->tlsdesc_got = htab->sgotplt->size
- elf64_x86_64_compute_jump_table_size (htab);
htab->sgotplt->size += 2 * GOT_ENTRY_SIZE;
h->got.offset = (bfd_vma) -2;
}
if (! GOT_TLS_GDESC_P (tls_type)
|| GOT_TLS_GD_P (tls_type))
{
s = htab->sgot;
h->got.offset = s->size;
s->size += GOT_ENTRY_SIZE;
if (GOT_TLS_GD_P (tls_type))
s->size += GOT_ENTRY_SIZE;
}
dyn = htab->elf.dynamic_sections_created;
/* R_X86_64_TLSGD needs one dynamic relocation if local symbol
and two if global.
R_X86_64_GOTTPOFF needs one dynamic relocation. */
if ((tls_type == GOT_TLS_GD && h->dynindx == -1)
if ((GOT_TLS_GD_P (tls_type) && h->dynindx == -1)
|| tls_type == GOT_TLS_IE)
htab->srelgot->size += sizeof (Elf64_External_Rela);
else if (tls_type == GOT_TLS_GD)
else if (GOT_TLS_GD_P (tls_type))
htab->srelgot->size += 2 * sizeof (Elf64_External_Rela);
else if ((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
|| h->root.type != bfd_link_hash_undefweak)
else if (! GOT_TLS_GDESC_P (tls_type)
&& (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
|| h->root.type != bfd_link_hash_undefweak)
&& (info->shared
|| WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, h)))
htab->srelgot->size += sizeof (Elf64_External_Rela);
if (GOT_TLS_GDESC_P (tls_type))
{
htab->srelplt->size += sizeof (Elf64_External_Rela);
htab->tlsdesc_plt = (bfd_vma) -1;
}
}
else
h->got.offset = (bfd_vma) -1;
eh = (struct elf64_x86_64_link_hash_entry *) h;
if (eh->dyn_relocs == NULL)
return TRUE;
@ -1575,6 +1678,7 @@ elf64_x86_64_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
bfd_signed_vma *local_got;
bfd_signed_vma *end_local_got;
char *local_tls_type;
bfd_vma *local_tlsdesc_gotent;
bfd_size_type locsymcount;
Elf_Internal_Shdr *symtab_hdr;
asection *srel;
@ -1618,20 +1722,43 @@ elf64_x86_64_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
locsymcount = symtab_hdr->sh_info;
end_local_got = local_got + locsymcount;
local_tls_type = elf64_x86_64_local_got_tls_type (ibfd);
local_tlsdesc_gotent = elf64_x86_64_local_tlsdesc_gotent (ibfd);
s = htab->sgot;
srel = htab->srelgot;
for (; local_got < end_local_got; ++local_got, ++local_tls_type)
for (; local_got < end_local_got;
++local_got, ++local_tls_type, ++local_tlsdesc_gotent)
{
*local_tlsdesc_gotent = (bfd_vma) -1;
if (*local_got > 0)
{
*local_got = s->size;
s->size += GOT_ENTRY_SIZE;
if (*local_tls_type == GOT_TLS_GD)
s->size += GOT_ENTRY_SIZE;
if (GOT_TLS_GDESC_P (*local_tls_type))
{
*local_tlsdesc_gotent = htab->sgotplt->size
- elf64_x86_64_compute_jump_table_size (htab);
htab->sgotplt->size += 2 * GOT_ENTRY_SIZE;
*local_got = (bfd_vma) -2;
}
if (! GOT_TLS_GDESC_P (*local_tls_type)
|| GOT_TLS_GD_P (*local_tls_type))
{
*local_got = s->size;
s->size += GOT_ENTRY_SIZE;
if (GOT_TLS_GD_P (*local_tls_type))
s->size += GOT_ENTRY_SIZE;
}
if (info->shared
|| *local_tls_type == GOT_TLS_GD
|| GOT_TLS_GD_ANY_P (*local_tls_type)
|| *local_tls_type == GOT_TLS_IE)
srel->size += sizeof (Elf64_External_Rela);
{
if (GOT_TLS_GDESC_P (*local_tls_type))
{
htab->srelplt->size += sizeof (Elf64_External_Rela);
htab->tlsdesc_plt = (bfd_vma) -1;
}
if (! GOT_TLS_GDESC_P (*local_tls_type)
|| GOT_TLS_GD_P (*local_tls_type))
srel->size += sizeof (Elf64_External_Rela);
}
}
else
*local_got = (bfd_vma) -1;
@ -1653,6 +1780,34 @@ elf64_x86_64_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
sym dynamic relocs. */
elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, (PTR) info);
/* For every jump slot reserved in the sgotplt, reloc_count is
incremented. However, when we reserve space for TLS descriptors,
it's not incremented, so in order to compute the space reserved
for them, it suffices to multiply the reloc count by the jump
slot size. */
if (htab->srelplt)
htab->sgotplt_jump_table_size
= elf64_x86_64_compute_jump_table_size (htab);
if (htab->tlsdesc_plt)
{
/* If we're not using lazy TLS relocations, don't generate the
PLT and GOT entries they require. */
if ((info->flags & DF_BIND_NOW))
htab->tlsdesc_plt = 0;
else
{
htab->tlsdesc_got = htab->sgot->size;
htab->sgot->size += GOT_ENTRY_SIZE;
/* Reserve room for the initial entry.
FIXME: we could probably do away with it in this case. */
if (htab->splt->size == 0)
htab->splt->size += PLT_ENTRY_SIZE;
htab->tlsdesc_plt = htab->splt->size;
htab->splt->size += PLT_ENTRY_SIZE;
}
}
/* We now have determined the sizes of the various dynamic sections.
Allocate memory for them. */
relocs = FALSE;
@ -1676,7 +1831,8 @@ elf64_x86_64_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
/* We use the reloc_count field as a counter if we need
to copy relocs into the output file. */
s->reloc_count = 0;
if (s != htab->srelplt)
s->reloc_count = 0;
}
else
{
@ -1736,6 +1892,11 @@ elf64_x86_64_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
|| !add_dynamic_entry (DT_PLTREL, DT_RELA)
|| !add_dynamic_entry (DT_JMPREL, 0))
return FALSE;
if (htab->tlsdesc_plt
&& (!add_dynamic_entry (DT_TLSDESC_PLT, 0)
|| !add_dynamic_entry (DT_TLSDESC_GOT, 0)))
return FALSE;
}
if (relocs)
@ -1763,6 +1924,41 @@ elf64_x86_64_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
return TRUE;
}
static bfd_boolean
elf64_x86_64_always_size_sections (bfd *output_bfd,
struct bfd_link_info *info)
{
asection *tls_sec = elf_hash_table (info)->tls_sec;
if (tls_sec)
{
struct elf_link_hash_entry *tlsbase;
tlsbase = elf_link_hash_lookup (elf_hash_table (info),
"_TLS_MODULE_BASE_",
FALSE, FALSE, FALSE);
if (tlsbase && tlsbase->type == STT_TLS)
{
struct bfd_link_hash_entry *bh = NULL;
const struct elf_backend_data *bed
= get_elf_backend_data (output_bfd);
if (!(_bfd_generic_link_add_one_symbol
(info, output_bfd, "_TLS_MODULE_BASE_", BSF_LOCAL,
tls_sec, 0, NULL, FALSE,
bed->collect, &bh)))
return FALSE;
tlsbase = (struct elf_link_hash_entry *)bh;
tlsbase->def_regular = 1;
tlsbase->other = STV_HIDDEN;
(*bed->elf_backend_hide_symbol) (info, tlsbase, TRUE);
}
}
return TRUE;
}
/* Return the base VMA address which should be subtracted from real addresses
when resolving @dtpoff relocation.
This is PT_TLS segment p_vaddr. */
@ -1821,6 +2017,7 @@ elf64_x86_64_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
Elf_Internal_Shdr *symtab_hdr;
struct elf_link_hash_entry **sym_hashes;
bfd_vma *local_got_offsets;
bfd_vma *local_tlsdesc_gotents;
Elf_Internal_Rela *rel;
Elf_Internal_Rela *relend;
@ -1831,6 +2028,7 @@ elf64_x86_64_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
sym_hashes = elf_sym_hashes (input_bfd);
local_got_offsets = elf_local_got_offsets (input_bfd);
local_tlsdesc_gotents = elf64_x86_64_local_tlsdesc_gotent (input_bfd);
rel = relocs;
relend = relocs + input_section->reloc_count;
@ -1842,7 +2040,7 @@ elf64_x86_64_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
struct elf_link_hash_entry *h;
Elf_Internal_Sym *sym;
asection *sec;
bfd_vma off;
bfd_vma off, offplt;
bfd_vma relocation;
bfd_boolean unresolved_reloc;
bfd_reloc_status_type r;
@ -2201,6 +2399,8 @@ elf64_x86_64_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
break;
case R_X86_64_TLSGD:
case R_X86_64_GOTPC32_TLSDESC:
case R_X86_64_TLSDESC_CALL:
case R_X86_64_GOTTPOFF:
r_type = elf64_x86_64_tls_transition (info, r_type, h == NULL);
tls_type = GOT_UNKNOWN;
@ -2212,7 +2412,9 @@ elf64_x86_64_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
if (!info->shared && h->dynindx == -1 && tls_type == GOT_TLS_IE)
r_type = R_X86_64_TPOFF32;
}
if (r_type == R_X86_64_TLSGD)
if (r_type == R_X86_64_TLSGD
|| r_type == R_X86_64_GOTPC32_TLSDESC
|| r_type == R_X86_64_TLSDESC_CALL)
{
if (tls_type == GOT_TLS_IE)
r_type = R_X86_64_GOTTPOFF;
@ -2254,6 +2456,67 @@ elf64_x86_64_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
rel++;
continue;
}
else if (ELF64_R_TYPE (rel->r_info) == R_X86_64_GOTPC32_TLSDESC)
{
/* GDesc -> LE transition.
It's originally something like:
leaq x@tlsdesc(%rip), %rax
Change it to:
movl $x@tpoff, %rax
Registers other than %rax may be set up here. */
unsigned int val, type, type2;
bfd_vma roff;
/* First, make sure it's a leaq adding rip to a
32-bit offset into any register, although it's
probably almost always going to be rax. */
roff = rel->r_offset;
BFD_ASSERT (roff >= 3);
type = bfd_get_8 (input_bfd, contents + roff - 3);
BFD_ASSERT ((type & 0xfb) == 0x48);
type2 = bfd_get_8 (input_bfd, contents + roff - 2);
BFD_ASSERT (type2 == 0x8d);
val = bfd_get_8 (input_bfd, contents + roff - 1);
BFD_ASSERT ((val & 0xc7) == 0x05);
BFD_ASSERT (roff + 4 <= input_section->size);
/* Now modify the instruction as appropriate. */
bfd_put_8 (output_bfd, 0x48 | ((type >> 2) & 1),
contents + roff - 3);
bfd_put_8 (output_bfd, 0xc7, contents + roff - 2);
bfd_put_8 (output_bfd, 0xc0 | ((val >> 3) & 7),
contents + roff - 1);
bfd_put_32 (output_bfd, tpoff (info, relocation),
contents + roff);
continue;
}
else if (ELF64_R_TYPE (rel->r_info) == R_X86_64_TLSDESC_CALL)
{
/* GDesc -> LE transition.
It's originally:
call *(%rax)
Turn it into:
nop; nop. */
unsigned int val, type;
bfd_vma roff;
/* First, make sure it's a call *(%rax). */
roff = rel->r_offset;
BFD_ASSERT (roff + 2 <= input_section->size);
type = bfd_get_8 (input_bfd, contents + roff);
BFD_ASSERT (type == 0xff);
val = bfd_get_8 (input_bfd, contents + roff + 1);
BFD_ASSERT (val == 0x10);
/* Now modify the instruction as appropriate. */
bfd_put_8 (output_bfd, 0x90, contents + roff);
bfd_put_8 (output_bfd, 0x90, contents + roff + 1);
continue;
}
else
{
unsigned int val, type, reg;
@ -2319,13 +2582,17 @@ elf64_x86_64_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
abort ();
if (h != NULL)
off = h->got.offset;
{
off = h->got.offset;
offplt = elf64_x86_64_hash_entry (h)->tlsdesc_got;
}
else
{
if (local_got_offsets == NULL)
abort ();
off = local_got_offsets[r_symndx];
offplt = local_tlsdesc_gotents[r_symndx];
}
if ((off & 1) != 0)
@ -2335,30 +2602,61 @@ elf64_x86_64_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
Elf_Internal_Rela outrel;
bfd_byte *loc;
int dr_type, indx;
asection *sreloc;
if (htab->srelgot == NULL)
abort ();
indx = h && h->dynindx != -1 ? h->dynindx : 0;
if (GOT_TLS_GDESC_P (tls_type))
{
outrel.r_info = ELF64_R_INFO (indx, R_X86_64_TLSDESC);
BFD_ASSERT (htab->sgotplt_jump_table_size + offplt
+ 2 * GOT_ENTRY_SIZE <= htab->sgotplt->size);
outrel.r_offset = (htab->sgotplt->output_section->vma
+ htab->sgotplt->output_offset
+ offplt
+ htab->sgotplt_jump_table_size);
sreloc = htab->srelplt;
loc = sreloc->contents;
loc += sreloc->reloc_count++
* sizeof (Elf64_External_Rela);
BFD_ASSERT (loc + sizeof (Elf64_External_Rela)
<= sreloc->contents + sreloc->size);
if (indx == 0)
outrel.r_addend = relocation - dtpoff_base (info);
else
outrel.r_addend = 0;
bfd_elf64_swap_reloca_out (output_bfd, &outrel, loc);
}
sreloc = htab->srelgot;
outrel.r_offset = (htab->sgot->output_section->vma
+ htab->sgot->output_offset + off);
indx = h && h->dynindx != -1 ? h->dynindx : 0;
if (r_type == R_X86_64_TLSGD)
if (GOT_TLS_GD_P (tls_type))
dr_type = R_X86_64_DTPMOD64;
else if (GOT_TLS_GDESC_P (tls_type))
goto dr_done;
else
dr_type = R_X86_64_TPOFF64;
bfd_put_64 (output_bfd, 0, htab->sgot->contents + off);
outrel.r_addend = 0;
if (dr_type == R_X86_64_TPOFF64 && indx == 0)
if ((dr_type == R_X86_64_TPOFF64
|| dr_type == R_X86_64_TLSDESC) && indx == 0)
outrel.r_addend = relocation - dtpoff_base (info);
outrel.r_info = ELF64_R_INFO (indx, dr_type);
loc = htab->srelgot->contents;
loc += htab->srelgot->reloc_count++ * sizeof (Elf64_External_Rela);
loc = sreloc->contents;
loc += sreloc->reloc_count++ * sizeof (Elf64_External_Rela);
BFD_ASSERT (loc + sizeof (Elf64_External_Rela)
<= sreloc->contents + sreloc->size);
bfd_elf64_swap_reloca_out (output_bfd, &outrel, loc);
if (r_type == R_X86_64_TLSGD)
if (GOT_TLS_GD_P (tls_type))
{
if (indx == 0)
{
@ -2374,27 +2672,37 @@ elf64_x86_64_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
outrel.r_info = ELF64_R_INFO (indx,
R_X86_64_DTPOFF64);
outrel.r_offset += GOT_ENTRY_SIZE;
htab->srelgot->reloc_count++;
sreloc->reloc_count++;
loc += sizeof (Elf64_External_Rela);
BFD_ASSERT (loc + sizeof (Elf64_External_Rela)
<= sreloc->contents + sreloc->size);
bfd_elf64_swap_reloca_out (output_bfd, &outrel, loc);
}
}
dr_done:
if (h != NULL)
h->got.offset |= 1;
else
local_got_offsets[r_symndx] |= 1;
}
if (off >= (bfd_vma) -2)
if (off >= (bfd_vma) -2
&& ! GOT_TLS_GDESC_P (tls_type))
abort ();
if (r_type == ELF64_R_TYPE (rel->r_info))
{
relocation = htab->sgot->output_section->vma
+ htab->sgot->output_offset + off;
if (r_type == R_X86_64_GOTPC32_TLSDESC
|| r_type == R_X86_64_TLSDESC_CALL)
relocation = htab->sgotplt->output_section->vma
+ htab->sgotplt->output_offset
+ offplt + htab->sgotplt_jump_table_size;
else
relocation = htab->sgot->output_section->vma
+ htab->sgot->output_offset + off;
unresolved_reloc = FALSE;
}
else
else if (ELF64_R_TYPE (rel->r_info) == R_X86_64_TLSGD)
{
unsigned int i;
static unsigned char tlsgd[8]
@ -2434,6 +2742,77 @@ elf64_x86_64_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
rel++;
continue;
}
else if (ELF64_R_TYPE (rel->r_info) == R_X86_64_GOTPC32_TLSDESC)
{
/* GDesc -> IE transition.
It's originally something like:
leaq x@tlsdesc(%rip), %rax
Change it to:
movq x@gottpoff(%rip), %rax # before nop; nop
Registers other than %rax may be set up here. */
unsigned int val, type, type2;
bfd_vma roff;
/* First, make sure it's a leaq adding rip to a 32-bit
offset into any register, although it's probably
almost always going to be rax. */
roff = rel->r_offset;
BFD_ASSERT (roff >= 3);
type = bfd_get_8 (input_bfd, contents + roff - 3);
BFD_ASSERT ((type & 0xfb) == 0x48);
type2 = bfd_get_8 (input_bfd, contents + roff - 2);
BFD_ASSERT (type2 == 0x8d);
val = bfd_get_8 (input_bfd, contents + roff - 1);
BFD_ASSERT ((val & 0xc7) == 0x05);
BFD_ASSERT (roff + 4 <= input_section->size);
/* Now modify the instruction as appropriate. */
/* To turn a leaq into a movq in the form we use it, it
suffices to change the second byte from 0x8d to
0x8b. */
bfd_put_8 (output_bfd, 0x8b, contents + roff - 2);
bfd_put_32 (output_bfd,
htab->sgot->output_section->vma
+ htab->sgot->output_offset + off
- rel->r_offset
- input_section->output_section->vma
- input_section->output_offset
- 4,
contents + roff);
continue;
}
else if (ELF64_R_TYPE (rel->r_info) == R_X86_64_TLSDESC_CALL)
{
/* GDesc -> IE transition.
It's originally:
call *(%rax)
Change it to:
nop; nop. */
unsigned int val, type;
bfd_vma roff;
/* First, make sure it's a call *(%eax). */
roff = rel->r_offset;
BFD_ASSERT (roff + 2 <= input_section->size);
type = bfd_get_8 (input_bfd, contents + roff);
BFD_ASSERT (type == 0xff);
val = bfd_get_8 (input_bfd, contents + roff + 1);
BFD_ASSERT (val == 0x10);
/* Now modify the instruction as appropriate. */
bfd_put_8 (output_bfd, 0x90, contents + roff);
bfd_put_8 (output_bfd, 0x90, contents + roff + 1);
continue;
}
else
BFD_ASSERT (FALSE);
break;
case R_X86_64_TLSLD:
@ -2672,7 +3051,7 @@ elf64_x86_64_finish_dynamic_symbol (bfd *output_bfd,
}
if (h->got.offset != (bfd_vma) -1
&& elf64_x86_64_hash_entry (h)->tls_type != GOT_TLS_GD
&& ! GOT_TLS_GD_ANY_P (elf64_x86_64_hash_entry (h)->tls_type)
&& elf64_x86_64_hash_entry (h)->tls_type != GOT_TLS_IE)
{
Elf_Internal_Rela rela;
@ -2827,6 +3206,18 @@ elf64_x86_64_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *inf
dyn.d_un.d_val -= s->size;
}
break;
case DT_TLSDESC_PLT:
s = htab->splt;
dyn.d_un.d_ptr = s->output_section->vma + s->output_offset
+ htab->tlsdesc_plt;
break;
case DT_TLSDESC_GOT:
s = htab->sgot;
dyn.d_un.d_ptr = s->output_section->vma + s->output_offset
+ htab->tlsdesc_got;
break;
}
bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon);
@ -2861,6 +3252,40 @@ elf64_x86_64_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *inf
elf_section_data (htab->splt->output_section)->this_hdr.sh_entsize =
PLT_ENTRY_SIZE;
if (htab->tlsdesc_plt)
{
bfd_put_64 (output_bfd, (bfd_vma) 0,
htab->sgot->contents + htab->tlsdesc_got);
memcpy (htab->splt->contents + htab->tlsdesc_plt,
elf64_x86_64_plt0_entry,
PLT_ENTRY_SIZE);
/* Add offset for pushq GOT+8(%rip), since the
instruction uses 6 bytes subtract this value. */
bfd_put_32 (output_bfd,
(htab->sgotplt->output_section->vma
+ htab->sgotplt->output_offset
+ 8
- htab->splt->output_section->vma
- htab->splt->output_offset
- htab->tlsdesc_plt
- 6),
htab->splt->contents + htab->tlsdesc_plt + 2);
/* Add offset for jmp *GOT+TDG(%rip), where TGD stands for
htab->tlsdesc_got. The 12 is the offset to the end of
the instruction. */
bfd_put_32 (output_bfd,
(htab->sgot->output_section->vma
+ htab->sgot->output_offset
+ htab->tlsdesc_got
- htab->splt->output_section->vma
- htab->splt->output_offset
- htab->tlsdesc_plt
- 12),
htab->splt->contents + htab->tlsdesc_plt + 8);
}
}
}
@ -3132,6 +3557,7 @@ static const struct bfd_elf_special_section
#define elf_backend_reloc_type_class elf64_x86_64_reloc_type_class
#define elf_backend_relocate_section elf64_x86_64_relocate_section
#define elf_backend_size_dynamic_sections elf64_x86_64_size_dynamic_sections
#define elf_backend_always_size_sections elf64_x86_64_always_size_sections
#define elf_backend_plt_sym_val elf64_x86_64_plt_sym_val
#define elf_backend_object_p elf64_x86_64_elf_object_p
#define bfd_elf64_mkobject elf64_x86_64_mkobject

8
bfd/libbfd.h
View File

@ -7,7 +7,7 @@
(This include file is not for users of the library.)
Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
1999, 2000, 2001, 2002, 2003, 2004, 2005
1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
Free Software Foundation, Inc.
Written by Cygnus Support.
@ -1034,6 +1034,9 @@ static const char *const bfd_reloc_code_real_names[] = { "@@uninitialized@@",
"BFD_RELOC_386_TLS_DTPMOD32",
"BFD_RELOC_386_TLS_DTPOFF32",
"BFD_RELOC_386_TLS_TPOFF32",
"BFD_RELOC_386_TLS_GOTDESC",
"BFD_RELOC_386_TLS_DESC_CALL",
"BFD_RELOC_386_TLS_DESC",
"BFD_RELOC_X86_64_GOT32",
"BFD_RELOC_X86_64_PLT32",
"BFD_RELOC_X86_64_COPY",
@ -1052,6 +1055,9 @@ static const char *const bfd_reloc_code_real_names[] = { "@@uninitialized@@",
"BFD_RELOC_X86_64_TPOFF32",
"BFD_RELOC_X86_64_GOTOFF64",
"BFD_RELOC_X86_64_GOTPC32",
"BFD_RELOC_X86_64_GOTPC32_TLSDESC",
"BFD_RELOC_X86_64_TLSDESC_CALL",
"BFD_RELOC_X86_64_TLSDESC",
"BFD_RELOC_NS32K_IMM_8",
"BFD_RELOC_NS32K_IMM_16",
"BFD_RELOC_NS32K_IMM_32",

14
bfd/reloc.c
View File

@ -1,6 +1,6 @@
/* BFD support for handling relocation entries.
Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
2000, 2001, 2002, 2003, 2004, 2005
2000, 2001, 2002, 2003, 2004, 2005, 2006
Free Software Foundation, Inc.
Written by Cygnus Support.
@ -2298,6 +2298,12 @@ ENUMX
BFD_RELOC_386_TLS_DTPOFF32
ENUMX
BFD_RELOC_386_TLS_TPOFF32
ENUMX
BFD_RELOC_386_TLS_GOTDESC
ENUMX
BFD_RELOC_386_TLS_DESC_CALL
ENUMX
BFD_RELOC_386_TLS_DESC
ENUMDOC
i386/elf relocations
@ -2337,6 +2343,12 @@ ENUMX
BFD_RELOC_X86_64_GOTOFF64
ENUMX
BFD_RELOC_X86_64_GOTPC32
ENUMX
BFD_RELOC_X86_64_GOTPC32_TLSDESC
ENUMX
BFD_RELOC_X86_64_TLSDESC_CALL
ENUMX
BFD_RELOC_X86_64_TLSDESC
ENUMDOC
x86-64/elf relocations

6
binutils/ChangeLog
View File

@ -1,3 +1,9 @@
2006-01-18 Alexandre Oliva <aoliva@redhat.com>
Introduce TLS descriptors for i386 and x86_64.
* readelf.c (get_dynamic_type): Handle DT_TLSDESC_GOT and
DT_TLSDESC_PLT.
2006-01-18 Nick Clifton <nickc@redhat.com>
PR binutils/1391

2
binutils/readelf.c
View File

@ -1480,6 +1480,8 @@ get_dynamic_type (unsigned long type)
case DT_VERSYM: return "VERSYM";
case DT_TLSDESC_GOT: return "TLSDESC_GOT";
case DT_TLSDESC_PLT: return "TLSDESC_PLT";
case DT_RELACOUNT: return "RELACOUNT";
case DT_RELCOUNT: return "RELCOUNT";
case DT_FLAGS_1: return "FLAGS_1";

13
gas/ChangeLog
View File

@ -1,3 +1,16 @@
2006-01-18 Alexandre Oliva <aoliva@redhat.com>
Introduce TLS descriptors for i386 and x86_64.
* config/tc-i386.c (tc_i386_fix_adjustable): Handle
BFD_RELOC_386_TLS_GOTDESC, BFD_RELOC_386_TLS_DESC_CALL,
BFD_RELOC_X86_64_GOTPC32_TLSDESC, BFD_RELOC_X86_64_TLSDESC_CALL.
(optimize_disp): Emit fix up for BFD_RELOC_386_TLS_DESC_CALL and
BFD_RELOC_X86_64_TLSDESC_CALL immediately, and clear the
displacement bits.
(build_modrm_byte): Set up zero modrm for TLS desc calls.
(lex_got): Handle @tlsdesc and @tlscall.
(md_apply_fix, tc_gen_reloc): Handle the new relocations.
2006-01-11 Nick Clifton <nickc@redhat.com>
Fixes for building on 64-bit hosts:

42
gas/config/tc-i386.c
View File

@ -1,6 +1,6 @@
/* i386.c -- Assemble code for the Intel 80386
Copyright 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
2000, 2001, 2002, 2003, 2004, 2005
2000, 2001, 2002, 2003, 2004, 2005, 2006
Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
@ -1345,6 +1345,8 @@ tc_i386_fix_adjustable (fixP)
|| fixP->fx_r_type == BFD_RELOC_386_TLS_GOTIE
|| fixP->fx_r_type == BFD_RELOC_386_TLS_LE_32
|| fixP->fx_r_type == BFD_RELOC_386_TLS_LE
|| fixP->fx_r_type == BFD_RELOC_386_TLS_GOTDESC
|| fixP->fx_r_type == BFD_RELOC_386_TLS_DESC_CALL
|| 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
@ -1356,6 +1358,8 @@ tc_i386_fix_adjustable (fixP)
|| fixP->fx_r_type == BFD_RELOC_X86_64_TPOFF32
|| fixP->fx_r_type == BFD_RELOC_X86_64_TPOFF64
|| fixP->fx_r_type == BFD_RELOC_X86_64_GOTOFF64
|| fixP->fx_r_type == BFD_RELOC_X86_64_GOTPC32_TLSDESC
|| fixP->fx_r_type == BFD_RELOC_X86_64_TLSDESC_CALL
|| fixP->fx_r_type == BFD_RELOC_VTABLE_INHERIT
|| fixP->fx_r_type == BFD_RELOC_VTABLE_ENTRY)
return 0;
@ -2196,7 +2200,14 @@ optimize_disp ()
&& fits_in_signed_byte (disp))
i.types[op] |= Disp8;
}
else
else if (i.reloc[op] == BFD_RELOC_386_TLS_DESC_CALL
|| i.reloc[op] == BFD_RELOC_X86_64_TLSDESC_CALL)
{
fix_new_exp (frag_now, frag_more (0) - frag_now->fr_literal, 0,
i.op[op].disps, 0, i.reloc[op]);
i.types[op] &= ~Disp;
}
else
/* We only support 64bit displacement on constants. */
i.types[op] &= ~Disp64;
}
@ -3157,7 +3168,13 @@ build_modrm_byte ()
if ((i.index_reg->reg_flags & RegRex) != 0)
i.rex |= REX_EXTY;
}
i.rm.mode = mode_from_disp_size (i.types[op]);
if (i.disp_operands
&& (i.reloc[op] == BFD_RELOC_386_TLS_DESC_CALL
|| i.reloc[op] == BFD_RELOC_X86_64_TLSDESC_CALL))
i.rm.mode = 0;
else
i.rm.mode = mode_from_disp_size (i.types[op]);
}
if (fake_zero_displacement)
@ -3856,7 +3873,9 @@ lex_got (enum bfd_reloc_code_real *reloc,
{ "DTPOFF", { BFD_RELOC_386_TLS_LDO_32, BFD_RELOC_X86_64_DTPOFF32 }, Imm32|Imm32S|Imm64|Disp32|Disp64 },
{ "GOTNTPOFF",{ BFD_RELOC_386_TLS_GOTIE, 0 }, 0 },
{ "INDNTPOFF",{ BFD_RELOC_386_TLS_IE, 0 }, 0 },
{ "GOT", { BFD_RELOC_386_GOT32, BFD_RELOC_X86_64_GOT32 }, Imm32|Imm32S|Disp32 }
{ "GOT", { BFD_RELOC_386_GOT32, BFD_RELOC_X86_64_GOT32 }, Imm32|Imm32S|Disp32 },
{ "TLSDESC", { BFD_RELOC_386_TLS_GOTDESC, BFD_RELOC_X86_64_GOTPC32_TLSDESC }, Imm32|Imm32S|Disp32 },
{ "TLSCALL", { BFD_RELOC_386_TLS_DESC_CALL, BFD_RELOC_X86_64_TLSDESC_CALL }, Imm32|Imm32S|Disp32 }
};
char *cp;
unsigned int j;
@ -5063,9 +5082,11 @@ md_apply_fix (fixP, valP, seg)
case BFD_RELOC_386_TLS_IE_32:
case BFD_RELOC_386_TLS_IE:
case BFD_RELOC_386_TLS_GOTIE:
case BFD_RELOC_386_TLS_GOTDESC:
case BFD_RELOC_X86_64_TLSGD:
case BFD_RELOC_X86_64_TLSLD:
case BFD_RELOC_X86_64_GOTTPOFF:
case BFD_RELOC_X86_64_GOTPC32_TLSDESC:
value = 0; /* Fully resolved at runtime. No addend. */
/* Fallthrough */
case BFD_RELOC_386_TLS_LE:
@ -5078,6 +5099,13 @@ md_apply_fix (fixP, valP, seg)
S_SET_THREAD_LOCAL (fixP->fx_addsy);
break;
case BFD_RELOC_386_TLS_DESC_CALL:
case BFD_RELOC_X86_64_TLSDESC_CALL:
value = 0; /* Fully resolved at runtime. No addend. */
S_SET_THREAD_LOCAL (fixP->fx_addsy);
fixP->fx_done = 0;
return;
case BFD_RELOC_386_GOT32:
case BFD_RELOC_X86_64_GOT32:
value = 0; /* Fully resolved at runtime. No addend. */
@ -5655,6 +5683,8 @@ tc_gen_reloc (section, fixp)
case BFD_RELOC_386_TLS_GOTIE:
case BFD_RELOC_386_TLS_LE_32:
case BFD_RELOC_386_TLS_LE:
case BFD_RELOC_386_TLS_GOTDESC:
case BFD_RELOC_386_TLS_DESC_CALL:
case BFD_RELOC_X86_64_TLSGD:
case BFD_RELOC_X86_64_TLSLD:
case BFD_RELOC_X86_64_DTPOFF32:
@ -5664,6 +5694,8 @@ tc_gen_reloc (section, fixp)
case BFD_RELOC_X86_64_TPOFF64:
case BFD_RELOC_X86_64_GOTOFF64:
case BFD_RELOC_X86_64_GOTPC32:
case BFD_RELOC_X86_64_GOTPC32_TLSDESC:
case BFD_RELOC_X86_64_TLSDESC_CALL:
case BFD_RELOC_RVA:
case BFD_RELOC_VTABLE_ENTRY:
case BFD_RELOC_VTABLE_INHERIT:
@ -5760,6 +5792,8 @@ tc_gen_reloc (section, fixp)
case BFD_RELOC_X86_64_TLSGD:
case BFD_RELOC_X86_64_TLSLD:
case BFD_RELOC_X86_64_GOTTPOFF:
case BFD_RELOC_X86_64_GOTPC32_TLSDESC:
case BFD_RELOC_X86_64_TLSDESC_CALL:
rel->addend = fixp->fx_offset - fixp->fx_size;
break;
default:

9
include/elf/ChangeLog
View File

@ -1,3 +1,12 @@
2006-01-18 Alexandre Oliva <aoliva@redhat.com>
Introduce TLS descriptors for i386 and x86_64.
* common.h (DT_TLSDESC_GOT, DT_TLSDESC_PLT): New.
* i386.h (R_386_TLS_GOTDESC, R_386_TLS_DESC_CALL, R_386_TLS_DESC):
New.
* x86-64.h (R_X86_64_GOTPC32_TLSDESC, R_X86_64_TLSDESC_CALL,
R_X86_64_TLSDESC): New.
2006-01-09 Mike Frysinger <vapier@gentoo.org>:
* common.h (EM_ALTERA_NIOS2, EM_NIOS32) Define.

4
include/elf/common.h
View File

@ -1,6 +1,6 @@
/* ELF support for BFD.
Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
2001, 2002, 2003, 2004
2001, 2002, 2003, 2004, 2005, 2006
Free Software Foundation, Inc.
Written by Fred Fish @ Cygnus Support, from information published
@ -576,6 +576,8 @@
#define DT_VALRNGHI 0x6ffffdff
#define DT_ADDRRNGLO 0x6ffffe00
#define DT_TLSDESC_PLT 0x6ffffef6
#define DT_TLSDESC_GOT 0x6ffffef7
#define DT_GNU_CONFLICT 0x6ffffef8
#define DT_GNU_LIBLIST 0x6ffffef9
#define DT_CONFIG 0x6ffffefa

7
include/elf/i386.h
View File

@ -1,5 +1,6 @@
/* ix86 ELF support for BFD.
Copyright 1998, 1999, 2000, 2002, 2004 Free Software Foundation, Inc.
Copyright 1998, 1999, 2000, 2002, 2004, 2005, 2006
Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
@ -61,6 +62,10 @@ START_RELOC_NUMBERS (elf_i386_reloc_type)
RELOC_NUMBER (R_386_TLS_DTPMOD32, 35)
RELOC_NUMBER (R_386_TLS_DTPOFF32, 36)
RELOC_NUMBER (R_386_TLS_TPOFF32, 37)
/* 38 */
RELOC_NUMBER (R_386_TLS_GOTDESC, 39)
RELOC_NUMBER (R_386_TLS_DESC_CALL,40)
RELOC_NUMBER (R_386_TLS_DESC, 41)
/* Used by Intel. */
RELOC_NUMBER (R_386_USED_BY_INTEL_200, 200)

11
include/elf/x86-64.h
View File

@ -1,5 +1,6 @@
/* x86_64 ELF support for BFD.
Copyright (C) 2000, 2001, 2002, 2004 Free Software Foundation, Inc.
Copyright (C) 2000, 2001, 2002, 2004, 2005, 2006
Free Software Foundation, Inc.
Contributed by Jan Hubicka <jh@suse.cz>
This file is part of BFD, the Binary File Descriptor library.
@ -53,6 +54,14 @@ START_RELOC_NUMBERS (elf_x86_64_reloc_type)
RELOC_NUMBER (R_X86_64_GOTOFF64, 25) /* 64 bit offset to GOT */
RELOC_NUMBER (R_X86_64_GOTPC32, 26) /* 32 bit signed pc relative
offset to GOT */
/* 27 .. 33 */
RELOC_NUMBER (R_X86_64_GOTPC32_TLSDESC, 34)
/* 32 bit signed pc relative
offset to TLS descriptor
in the GOT. */
RELOC_NUMBER (R_X86_64_TLSDESC_CALL, 35) /* Relaxable call through TLS
descriptor. */
RELOC_NUMBER (R_X86_64_TLSDESC, 36) /* 2x64-bit TLS descriptor. */
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)

36
ld/testsuite/ChangeLog
View File

@ -1,3 +1,39 @@
2006-01-18 Alexandre Oliva <aoliva@redhat.com>
Introduce TLS descriptors for i386 and x86_64.
* ld-i386/i386.exp: Run on x86_64-*-linux* and amd64-*-linux*.
Add new tests.
* ld-i386/pcrel16.d: Add -melf_i386.
* ld-i386/pcrel8.d: Likewise.
* ld-i386/tlsbindesc.dd: New.
* ld-i386/tlsbindesc.rd: New.
* ld-i386/tlsbindesc.s: New.
* ld-i386/tlsbindesc.sd: New.
* ld-i386/tlsbindesc.td: New.
* ld-i386/tlsdesc.dd: New.
* ld-i386/tlsdesc.rd: New.
* ld-i386/tlsdesc.s: New.
* ld-i386/tlsdesc.sd: New.
* ld-i386/tlsdesc.td: New.
* ld-i386/tlsgdesc.dd: New.
* ld-i386/tlsgdesc.rd: New.
* ld-i386/tlsgdesc.s: New.
* ld-x86-64/x86-64.exp: Run new tests.
* ld-x86-64/tlsbindesc.dd: New.
* ld-x86-64/tlsbindesc.rd: New.
* ld-x86-64/tlsbindesc.s: New.
* ld-x86-64/tlsbindesc.sd: New.
* ld-x86-64/tlsbindesc.td: New.
* ld-x86-64/tlsdesc.dd: New.
* ld-x86-64/tlsdesc.pd: New.
* ld-x86-64/tlsdesc.rd: New.
* ld-x86-64/tlsdesc.s: New.
* ld-x86-64/tlsdesc.sd: New.
* ld-x86-64/tlsdesc.td: New.
* ld-x86-64/tlsgdesc.dd: New.
* ld-x86-64/tlsgdesc.rd: New.
* ld-x86-64/tlsgdesc.s: New.
2006-01-03 Hans-Peter Nilsson <hp@bitrange.com>
* ld-mmix/sec-1.d: Adjust for section order changes.

20
ld/testsuite/ld-i386/i386.exp
View File

@ -1,5 +1,5 @@
# Expect script for ld-i386 tests
# Copyright (C) 2002 Free Software Foundation
# Copyright (C) 2002, 2005, 2006 Free Software Foundation
#
# This file is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
@ -22,7 +22,9 @@
if { !([istarget "i?86-*-elf*"]
|| ([istarget "i?86-*-linux*"]
&& ![istarget "*-*-*aout*"]
&& ![istarget "*-*-*oldld*"])) } {
&& ![istarget "*-*-*oldld*"])
|| [istarget "x86_64-*-linux*"]
|| [istarget "amd64-*-linux*"]) } {
return
}
@ -41,6 +43,11 @@ set i386tests {
{{readelf -Ssrl tlspic.rd} {objdump -drj.text tlspic.dd}
{objdump -sj.got tlspic.sd} {objdump -sj.tdata tlspic.td}}
"libtlspic.so"}
{"TLS descriptor -fpic -shared transitions" "-shared -melf_i386"
"--32" {tlsdesc.s tlspic2.s}
{{readelf -Ssrl tlsdesc.rd} {objdump -drj.text tlsdesc.dd}
{objdump "-s -j.got -j.got.plt" tlsdesc.sd} {objdump -sj.tdata tlsdesc.td}}
"libtlsdesc.so"}
{"Helper shared library" "-shared -melf_i386"
"--32" {tlslib.s} {} "libtlslib.so"}
{"TLS -fpic and -fno-pic exec transitions"
@ -48,10 +55,19 @@ set i386tests {
{{readelf -Ssrl tlsbin.rd} {objdump -drj.text tlsbin.dd}
{objdump -sj.got tlsbin.sd} {objdump -sj.tdata tlsbin.td}}
"tlsbin"}
{"TLS descriptor -fpic and -fno-pic exec transitions"
"-melf_i386 tmpdir/libtlslib.so" "--32" {tlsbindesc.s tlsbin.s}
{{readelf -Ssrl tlsbindesc.rd} {objdump -drj.text tlsbindesc.dd}
{objdump -sj.got tlsbindesc.sd} {objdump -sj.tdata tlsbindesc.td}}
"tlsbindesc"}
{"TLS -fno-pic -shared" "-shared -melf_i386"
"--32" {tlsnopic1.s tlsnopic2.s}
{{readelf -Ssrl tlsnopic.rd} {objdump -drj.text tlsnopic.dd}
{objdump -sj.got tlsnopic.sd}} "libtlsnopic.so"}
{"TLS with global dynamic and descriptors"
"-shared -melf_i386" "--32" {tlsgdesc.s}
{{readelf -Ssrl tlsgdesc.rd} {objdump -drj.text tlsgdesc.dd}}
"libtlsgdesc.so"}
{"TLS in debug sections" "-melf_i386"
"--32" {tlsg.s}
{{objdump -sj.debug_foobar tlsg.sd}} "tlsg"}

3
ld/testsuite/ld-i386/pcrel16.d
View File

@ -1,5 +1,6 @@
#name: PCREL16 overflow
#ld: -Ttext 0x0
#as: --32
#ld: -melf_i386 -Ttext 0x0
#objdump: -drj.text -m i8086
.*: +file format elf32-i386

3
ld/testsuite/ld-i386/pcrel8.d
View File

@ -1,3 +1,4 @@
#name: PCREL8 overflow
#ld:
#as: --32
#ld: -melf_i386
#error: .*relocation truncated to fit: R_386_PC8 .*

463
ld/testsuite/ld-i386/tlsbindesc.dd Normal file
View File

@ -0,0 +1,463 @@
#source: tlsbindesc.s
#source: tlsbin.s
#as: --32
#ld: -melf_i386 tmpdir/libtlslib.so
#objdump: -drj.text
#target: i?86-*-*
# PT_TLS layout is:
# Offset from Offset from Name
# TCB base TCB end
# 0x00 -0xa0 sg1..sg8
# 0x20 -0x80 sl1..sl8
# 0x40 -0x60 sh1..sh8
# 0x60 -0x40 bg1..bg8
# 0x80 -0x20 bl1..bl8
.*: +file format elf32-i386
Disassembly of section .text:
[0-9a-f]+ <fn2>:
[0-9a-f]+: 55[ ]+push %ebp
[0-9a-f]+: 89 e5[ ]+mov %esp,%ebp
[0-9a-f]+: 53[ ]+push %ebx
[0-9a-f]+: 50[ ]+push %eax
[0-9a-f]+: e8 00 00 00 00[ ]+call [0-9a-f]+ <fn2\+0xa>
[0-9a-f]+: 5b[ ]+pop %ebx
[0-9a-f]+: 81 c3 fa 10 00 00[ ]+add \$0x10fa,%ebx
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# GD -> IE because variable is not defined in executable
[0-9a-f]+: 8b 83 f8 ff ff ff[ ]+mov 0xfffffff8\(%ebx\),%eax
# ->R_386_TLS_TPOFF32 sG1
[0-9a-f]+: f7 d8[ ]+neg %eax
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# GD -> IE because variable is not defined in executable where
# the variable is referenced through @gottpoff too
[0-9a-f]+: 8b 83 e8 ff ff ff[ ]+mov 0xffffffe8\(%ebx\),%eax
# ->R_386_TLS_TPOFF32 sG2
[0-9a-f]+: f7 d8[ ]+neg %eax
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# GD -> IE because variable is not defined in executable where
# the variable is referenced through @gotntpoff too
[0-9a-f]+: 8b 83 dc ff ff ff[ ]+mov 0xffffffdc\(%ebx\),%eax
# ->R_386_TLS_TPOFF sG3
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# GD -> IE because variable is not defined in executable where
# the variable is referenced through @gottpoff and @gotntpoff too
[0-9a-f]+: 8b 83 f0 ff ff ff[ ]+mov 0xfffffff0\(%ebx\),%eax
# ->R_386_TLS_TPOFF32 sG4
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# GD -> LE with global variable defined in executable
[0-9a-f]+: 8d 05 00 f0 ff ff[ ]+lea 0xfffff000,%eax
# sg1
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# GD -> LE with local variable defined in executable
[0-9a-f]+: 8d 05 20 f0 ff ff[ ]+lea 0xfffff020,%eax
# sl1
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# GD -> LE with hidden variable defined in executable
[0-9a-f]+: 8d 05 40 f0 ff ff[ ]+lea 0xfffff040,%eax
# sh1
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# LD -> LE
[0-9a-f]+: 8d 05 00 f0 ff ff[ ]+lea 0xfffff000,%eax
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 8d 90 20 f0 ff ff[ ]+lea 0xfffff020\(%eax\),%edx
# sl1
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 8d 88 24 f0 ff ff[ ]+lea 0xfffff024\(%eax\),%ecx
# sl2
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# LD -> LE against hidden variables
[0-9a-f]+: 8d 05 00 f0 ff ff[ ]+lea 0xfffff000,%eax
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 8d 90 40 f0 ff ff[ ]+lea 0xfffff040\(%eax\),%edx
# sh1
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 8d 88 44 f0 ff ff[ ]+lea 0xfffff044\(%eax\),%ecx
# sh2
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# @gottpoff IE against global var
[0-9a-f]+: 65 8b 0d 00 00 00 00[ ]+mov %gs:0x0,%ecx
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 2b 8b e8 ff ff ff[ ]+sub 0xffffffe8\(%ebx\),%ecx
# ->R_386_TLS_TPOFF32 sG2
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# @gottpoff IE against global var
[0-9a-f]+: 65 a1 00 00 00 00[ ]+mov %gs:0x0,%eax
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 2b 83 ec ff ff ff[ ]+sub 0xffffffec\(%ebx\),%eax
# ->R_386_TLS_TPOFF32 sG4
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# @gotntpoff IE against global var
[0-9a-f]+: 65 8b 0d 00 00 00 00[ ]+mov %gs:0x0,%ecx
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 03 8b dc ff ff ff[ ]+add 0xffffffdc\(%ebx\),%ecx
# ->R_386_TLS_TPOFF sG3
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# @gotntpoff IE against global var
[0-9a-f]+: 65 a1 00 00 00 00[ ]+mov %gs:0x0,%eax
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 03 83 f0 ff ff ff[ ]+add 0xfffffff0\(%ebx\),%eax
# ->R_386_TLS_TPOFF sG4
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# @gottpoff IE -> LE against global var defined in exec
[0-9a-f]+: 65 8b 0d 00 00 00 00[ ]+mov %gs:0x0,%ecx
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 81 e9 00 10 00 00[ ]+sub \$0x1000,%ecx
# sg1
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# @gotntpoff IE -> LE against local var
[0-9a-f]+: 65 8b 0d 00 00 00 00[ ]+mov %gs:0x0,%ecx
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 81 c0 20 f0 ff ff[ ]+add \$0xfffff020,%eax
# sl1
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# @gottpoff IE -> LE against hidden var
[0-9a-f]+: 65 8b 0d 00 00 00 00[ ]+mov %gs:0x0,%ecx
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 81 e9 c0 0f 00 00[ ]+sub \$0xfc0,%ecx
# sh1
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# Direct access through %gs
# @gotntpoff IE against global var
[0-9a-f]+: 8b 8b e0 ff ff ff[ ]+mov 0xffffffe0\(%ebx\),%ecx
# ->R_386_TLS_TPOFF sG5
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 65 8b 11[ ]+mov %gs:\(%ecx\),%edx
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# @gotntpoff IE->LE against local var
[0-9a-f]+: c7 c0 30 f0 ff ff[ ]+mov \$0xfffff030,%eax
# sl5
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 65 8b 10[ ]+mov %gs:\(%eax\),%edx
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# @gotntpoff IE->LE against hidden var
[0-9a-f]+: c7 c2 50 f0 ff ff[ ]+mov \$0xfffff050,%edx
# sh5
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 65 8b 12[ ]+mov %gs:\(%edx\),%edx
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 8b 5d fc[ ]+mov 0xfffffffc\(%ebp\),%ebx
[0-9a-f]+: c9[ ]+leave *
[0-9a-f]+: c3[ ]+ret *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+ <_start>:
[0-9a-f]+: 55[ ]+push %ebp
[0-9a-f]+: 89 e5[ ]+mov %esp,%ebp
[0-9a-f]+: e8 00 00 00 00[ ]+call [0-9a-f]+ <_start\+0x8>
[0-9a-f]+: 59[ ]+pop %ecx
[0-9a-f]+: 81 c1 a4 0f 00 00[ ]+add \$0xfa4,%ecx
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# @gottpoff IE against global var
[0-9a-f]+: 65 8b 15 00 00 00 00[ ]+mov %gs:0x0,%edx
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 2b 91 f4 ff ff ff[ ]+sub 0xfffffff4\(%ecx\),%edx
# ->R_386_TLS_TPOFF32 sG6
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# @indntpoff IE against global var
[0-9a-f]+: 65 a1 00 00 00 00[ ]+mov %gs:0x0,%eax
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 03 05 e8 a0 04 08[ ]+add 0x804a0e8,%eax
# ->R_386_TLS_TPOFF sG7
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# @indntpoff direct %gs access IE against global var
[0-9a-f]+: 8b 15 00 a1 04 08[ ]+mov 0x804a100,%edx
# ->R_386_TLS_TPOFF sG8
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 65 8b 02[ ]+mov %gs:\(%edx\),%eax
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# @gottpoff IE -> LE against global var defined in exec
[0-9a-f]+: 65 8b 15 00 00 00 00[ ]+mov %gs:0x0,%edx
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 81 ea 8c 0f 00 00[ ]+sub \$0xf8c,%edx
# bg6
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# @indntpoff IE -> LE against global var defined in exec
[0-9a-f]+: 65 a1 00 00 00 00[ ]+mov %gs:0x0,%eax
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 81 c0 78 f0 ff ff[ ]+add \$0xfffff078,%eax
# bg7
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# @indntpoff direct %gs access IE -> LE against global var defined
# in exec
[0-9a-f]+: c7 c2 7c f0 ff ff[ ]+mov \$0xfffff07c,%edx
# bg8
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 65 8b 02[ ]+mov %gs:\(%edx\),%eax
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# @gottpoff IE -> LE against local var
[0-9a-f]+: 65 8b 15 00 00 00 00[ ]+mov %gs:0x0,%edx
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 81 ea 6c 0f 00 00[ ]+sub \$0xf6c,%edx
# bl6
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# @indntpoff IE -> LE against local var
[0-9a-f]+: 65 a1 00 00 00 00[ ]+mov %gs:0x0,%eax
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 81 c0 98 f0 ff ff[ ]+add \$0xfffff098,%eax
# bl7
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# @indntpoff direct %gs access IE -> LE against local var
[0-9a-f]+: c7 c2 9c f0 ff ff[ ]+mov \$0xfffff09c,%edx
# bl8
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 65 8b 02[ ]+mov %gs:\(%edx\),%eax
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# @gottpoff IE -> LE against hidden but not local var
[0-9a-f]+: 65 8b 15 00 00 00 00[ ]+mov %gs:0x0,%edx
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 81 ea ac 0f 00 00[ ]+sub \$0xfac,%edx
# sh6
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# @indntpoff IE -> LE against hidden but not local var
[0-9a-f]+: 65 a1 00 00 00 00[ ]+mov %gs:0x0,%eax
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 81 c0 58 f0 ff ff[ ]+add \$0xfffff058,%eax
# sh7
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# @indntpoff direct %gs access IE -> LE against hidden but not
# local var
[0-9a-f]+: c7 c2 5c f0 ff ff[ ]+mov \$0xfffff05c,%edx
# sh8
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 65 8b 02[ ]+mov %gs:\(%edx\),%eax
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# LE @tpoff, global var defined in exec
[0-9a-f]+: ba 00 10 00 00[ ]+mov \$0x1000,%edx
# sg1
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 65 a1 00 00 00 00[ ]+mov %gs:0x0,%eax
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 29 d0[ ]+sub %edx,%eax
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# LE @tpoff, local var
[0-9a-f]+: b8 7f 0f 00 00[ ]+mov \$0xf7f,%eax
# bl1+1
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 65 8b 15 00 00 00 00[ ]+mov %gs:0x0,%edx
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 29 c2[ ]+sub %eax,%edx
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# LE @tpoff, hidden var defined in exec
[0-9a-f]+: b8 bd 0f 00 00[ ]+mov \$0xfbd,%eax
# sh1+3
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 65 8b 15 00 00 00 00[ ]+mov %gs:0x0,%edx
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 29 c2[ ]+sub %eax,%edx
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# LE @ntpoff, global var defined in exec
[0-9a-f]+: 65 a1 00 00 00 00[ ]+mov %gs:0x0,%eax
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 8d 90 04 f0 ff ff[ ]+lea 0xfffff004\(%eax\),%edx
# sg2
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# LE @ntpoff, local var, non-canonical sequence
[0-9a-f]+: b8 86 f0 ff ff[ ]+mov \$0xfffff086,%eax
# bl2+2
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 65 8b 15 00 00 00 00[ ]+mov %gs:0x0,%edx
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 01 c2[ ]+add %eax,%edx
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# LE @ntpoff, hidden var defined in exec, non-canonical sequence
[0-9a-f]+: 65 8b 15 00 00 00 00[ ]+mov %gs:0x0,%edx
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 81 c2 45 f0 ff ff[ ]+add \$0xfffff045,%edx
# sh2+1
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# LE @ntpoff, global var defined in exec
[0-9a-f]+: 65 a1 08 f0 ff ff[ ]+mov %gs:0xfffff008,%eax
# sg3
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# LE @ntpoff, local var
[0-9a-f]+: 65 8b 15 8b f0 ff ff[ ]+mov %gs:0xfffff08b,%edx
# bl3+3
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# LE @ntpoff, hidden var defined in exec
[0-9a-f]+: 65 8b 15 49 f0 ff ff[ ]+mov %gs:0xfffff049,%edx
# sh3+1
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 8b 5d fc[ ]+mov 0xfffffffc\(%ebp\),%ebx
[0-9a-f]+: c9[ ]+leave *
[0-9a-f]+: c3[ ]+ret *

154
ld/testsuite/ld-i386/tlsbindesc.rd Normal file
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#source: tlsbindesc.s
#source: tlsbin.s
#as: --32
#ld: -melf_i386 tmpdir/libtlslib.so
#readelf: -Ssrl
#target: i?86-*-*
There are 15 section headers, starting at offset 0x[0-9a-f]+:
Section Headers:
\[Nr\] Name +Type +Addr +Off +Size +ES Flg Lk Inf Al
\[ 0\] +NULL +0+ 0+ 0+ 0+ +0 +0 +0
\[ 1\] \.interp +.*
\[ 2\] \.hash +.*
\[ 3\] \.dynsym +.*
\[ 4\] \.dynstr +.*
\[ 5\] \.rel.dyn +.*
\[ 6\] \.text +PROGBITS +0+8049000 .*
\[ 7\] \.tdata +PROGBITS +0+804a000 [0-9a-f]+ 000060 00 WAT 0 0 4096
\[ 8\] \.tbss +NOBITS +[0-9a-f]+ [0-9a-f]+ 000040 00 WAT 0 0 1
\[ 9\] \.dynamic +DYNAMIC +0+804a060 .*
\[10\] \.got +PROGBITS +0+804a0e0 .*
\[11\] \.got\.plt +PROGBITS +0+804a104 .*
\[12\] \.shstrtab +.*
\[13\] \.symtab +.*
\[14\] \.strtab +.*
Key to Flags:
.*
.*
.*
Elf file type is EXEC \(Executable file\)
Entry point 0x8049158
There are 6 program headers, starting at offset [0-9]+
Program Headers:
Type +Offset +VirtAddr +PhysAddr +FileSiz +MemSiz +Flg Align
PHDR.*
INTERP.*
.*Requesting program interpreter.*
LOAD.*
LOAD.*
DYNAMIC.*
TLS +0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x0+60 0x0+a0 R +0x1000
Section to Segment mapping:
Segment Sections...
00 +
01 +.interp *
02 +.interp .hash .dynsym .dynstr .rel.dyn .text *
03 +.tdata .dynamic .got .got.plt *
04 +.dynamic *
05 +.tdata .tbss *
Relocation section '.rel.dyn' at offset 0x[0-9a-f]+ contains 9 entries:
Offset +Info +Type +Sym.Value +Sym. Name
0+804a0e0 0000010e R_386_TLS_TPOFF +0+ +sG3
0+804a0e4 0000020e R_386_TLS_TPOFF +0+ +sG5
0+804a0e8 0000030e R_386_TLS_TPOFF +0+ +sG7
0+804a0ec 00000425 R_386_TLS_TPOFF32 0+ +sG2
0+804a0f0 00000525 R_386_TLS_TPOFF32 0+ +sG4
0+804a0f4 0000050e R_386_TLS_TPOFF +0+ +sG4
0+804a0f8 00000725 R_386_TLS_TPOFF32 0+ +sG6
0+804a0fc 00000825 R_386_TLS_TPOFF32 0+ +sG1
0+804a100 00000b0e R_386_TLS_TPOFF +0+ +sG8
Symbol table '.dynsym' contains 12 entries:
+Num: +Value Size Type +Bind +Vis +Ndx Name
+[0-9]+: 0+ +0 NOTYPE LOCAL DEFAULT UND *
+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT UND sG3
+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT UND sG5
+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT UND sG7
+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT UND sG2
+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT UND sG4
+[0-9]+: [0-9a-f]+ +0 NOTYPE GLOBAL DEFAULT ABS __bss_start
+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT UND sG6
+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT UND sG1
+[0-9]+: [0-9a-f]+ +0 NOTYPE GLOBAL DEFAULT ABS _edata
+[0-9]+: [0-9a-f]+ +0 NOTYPE GLOBAL DEFAULT ABS _end
+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT UND sG8
Symbol table '.symtab' contains 71 entries:
+Num: +Value Size Type +Bind +Vis +Ndx Name
+[0-9]+: 0+ +0 NOTYPE LOCAL DEFAULT UND *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +1 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +2 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +3 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +4 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +5 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +6 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +7 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +8 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +9 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +10 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +11 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +12 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +13 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +14 *
+[0-9]+: 00000020 +0 TLS +LOCAL DEFAULT +7 sl1
+[0-9]+: 00000024 +0 TLS +LOCAL DEFAULT +7 sl2
+[0-9]+: 00000028 +0 TLS +LOCAL DEFAULT +7 sl3
+[0-9]+: 0000002c +0 TLS +LOCAL DEFAULT +7 sl4
+[0-9]+: 00000030 +0 TLS +LOCAL DEFAULT +7 sl5
+[0-9]+: 00000034 +0 TLS +LOCAL DEFAULT +7 sl6
+[0-9]+: 00000038 +0 TLS +LOCAL DEFAULT +7 sl7
+[0-9]+: 0000003c +0 TLS +LOCAL DEFAULT +7 sl8
+[0-9]+: 00000080 +0 TLS +LOCAL DEFAULT +8 bl1
+[0-9]+: 00000084 +0 TLS +LOCAL DEFAULT +8 bl2
+[0-9]+: 00000088 +0 TLS +LOCAL DEFAULT +8 bl3
+[0-9]+: 0000008c +0 TLS +LOCAL DEFAULT +8 bl4
+[0-9]+: 00000090 +0 TLS +LOCAL DEFAULT +8 bl5
+[0-9]+: 00000094 +0 TLS +LOCAL DEFAULT +8 bl6
+[0-9]+: 00000098 +0 TLS +LOCAL DEFAULT +8 bl7
+[0-9]+: 0000009c +0 TLS +LOCAL DEFAULT +8 bl8
+[0-9]+: 00000000 +0 TLS +LOCAL HIDDEN +7 _TLS_MODULE_BASE_
+[0-9]+: 0+804a060 +0 OBJECT LOCAL HIDDEN 9 _DYNAMIC
+[0-9]+: [0-9a-f]+ +0 OBJECT LOCAL HIDDEN 11 _GLOBAL_OFFSET_TABLE_
+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT UND sG3
+[0-9]+: 0000001c +0 TLS +GLOBAL DEFAULT +7 sg8
+[0-9]+: 0000007c +0 TLS +GLOBAL DEFAULT +8 bg8
+[0-9]+: 00000074 +0 TLS +GLOBAL DEFAULT +8 bg6
+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT UND sG5
+[0-9]+: 00000068 +0 TLS +GLOBAL DEFAULT +8 bg3
+[0-9]+: 00000008 +0 TLS +GLOBAL DEFAULT +7 sg3
+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT UND sG7
+[0-9]+: 00000048 +0 TLS +GLOBAL HIDDEN +7 sh3
+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT UND sG2
+[0-9]+: 0000000c +0 TLS +GLOBAL DEFAULT +7 sg4
+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT UND sG4
+[0-9]+: 00000010 +0 TLS +GLOBAL DEFAULT +7 sg5
+[0-9]+: 00000070 +0 TLS +GLOBAL DEFAULT +8 bg5
+[0-9]+: 00000058 +0 TLS +GLOBAL HIDDEN +7 sh7
+[0-9]+: 0000005c +0 TLS +GLOBAL HIDDEN +7 sh8
+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT +7 sg1
+[0-9]+: 0+8049158 +0 FUNC +GLOBAL DEFAULT +6 _start
+[0-9]+: 0000004c +0 TLS +GLOBAL HIDDEN +7 sh4
+[0-9]+: 00000078 +0 TLS +GLOBAL DEFAULT +8 bg7
+[0-9]+: 00000050 +0 TLS +GLOBAL HIDDEN +7 sh5
+[0-9]+: [0-9a-f]+ +0 NOTYPE GLOBAL DEFAULT ABS __bss_start
+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT UND sG6
+[0-9]+: 0+8049000 +0 FUNC +GLOBAL DEFAULT +6 fn2
+[0-9]+: 00000004 +0 TLS +GLOBAL DEFAULT +7 sg2
+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT UND sG1
+[0-9]+: 00000040 +0 TLS +GLOBAL HIDDEN +7 sh1
+[0-9]+: 00000014 +0 TLS +GLOBAL DEFAULT +7 sg6
+[0-9]+: 00000018 +0 TLS +GLOBAL DEFAULT +7 sg7
+[0-9]+: [0-9a-f]+ +0 NOTYPE GLOBAL DEFAULT ABS _edata
+[0-9]+: [0-9a-f]+ +0 NOTYPE GLOBAL DEFAULT ABS _end
+[0-9]+: 00000044 +0 TLS +GLOBAL HIDDEN +7 sh2
+[0-9]+: 00000054 +0 TLS +GLOBAL HIDDEN +7 sh6
+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT UND sG8
+[0-9]+: 00000064 +0 TLS +GLOBAL DEFAULT +8 bg2
+[0-9]+: 00000060 +0 TLS +GLOBAL DEFAULT +8 bg1
+[0-9]+: 0000006c +0 TLS +GLOBAL DEFAULT +8 bg4

167
ld/testsuite/ld-i386/tlsbindesc.s Normal file
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/* Force .got aligned to 4K, so it very likely gets at 0x804a100
(0x60 bytes .tdata and 0xa0 bytes .dynamic) */
.section ".tdata", "awT", @progbits
.balign 4096
.globl sg1, sg2, sg3, sg4, sg5, sg6, sg7, sg8
.globl sh1, sh2, sh3, sh4, sh5, sh6, sh7, sh8
.hidden sh1, sh2, sh3, sh4, sh5, sh6, sh7, sh8
sg1: .long 17
sg2: .long 18
sg3: .long 19
sg4: .long 20
sg5: .long 21
sg6: .long 22
sg7: .long 23
sg8: .long 24
sl1: .long 65
sl2: .long 66
sl3: .long 67
sl4: .long 68
sl5: .long 69
sl6: .long 70
sl7: .long 71
sl8: .long 72
sh1: .long 257
sh2: .long 258
sh3: .long 259
sh4: .long 260
sh5: .long 261
sh6: .long 262
sh7: .long 263
sh8: .long 264
/* Force .text aligned to 4K, so it very likely gets at 0x8049000. */
.text
.balign 4096
.globl fn2
.type fn2,@function
fn2:
pushl %ebp
movl %esp, %ebp
pushl %ebx
pushl %eax
call 1f
1: popl %ebx
addl $_GLOBAL_OFFSET_TABLE_+[.-1b], %ebx
nop;nop;nop;nop
/* GD -> IE because variable is not defined in executable */
leal sG1@tlsdesc(%ebx), %eax
call *sG1@tlscall(%eax)
nop;nop;nop;nop
/* GD -> IE because variable is not defined in executable where
the variable is referenced through @gottpoff too */
leal sG2@tlsdesc(%ebx), %eax
call *sG2@tlscall(%eax)
nop;nop;nop;nop
/* GD -> IE because variable is not defined in executable where
the variable is referenced through @gotntpoff too */
leal sG3@tlsdesc(%ebx), %eax
call *sG3@tlscall(%eax)
nop;nop;nop;nop
/* GD -> IE because variable is not defined in executable where
the variable is referenced through @gottpoff and @gotntpoff too */
leal sG4@tlsdesc(%ebx), %eax
call *sG4@tlscall(%eax)
nop;nop;nop;nop
/* GD -> LE with global variable defined in executable */
leal sg1@tlsdesc(%ebx), %eax
call *sg1@tlscall(%eax)
nop;nop;nop;nop
/* GD -> LE with local variable defined in executable */
leal sl1@tlsdesc(%ebx), %eax
call *sl1@tlscall(%eax)
nop;nop;nop;nop
/* GD -> LE with hidden variable defined in executable */
leal sh1@tlsdesc(%ebx), %eax
call *sh1@tlscall(%eax)
nop;nop;nop;nop
/* LD -> LE */
leal _TLS_MODULE_BASE_@tlsdesc(%ebx), %eax
call *_TLS_MODULE_BASE_@tlscall(%eax)
nop;nop
leal sl1@dtpoff(%eax), %edx
nop;nop
leal sl2@dtpoff(%eax), %ecx
nop;nop;nop;nop
/* LD -> LE against hidden variables */
leal _TLS_MODULE_BASE_@tlsdesc(%ebx), %eax
call *_TLS_MODULE_BASE_@tlscall(%eax)
nop;nop
leal sh1@dtpoff(%eax), %edx
nop;nop
leal sh2@dtpoff(%eax), %ecx
nop;nop;nop;nop
/* @gottpoff IE against global var */
movl %gs:0, %ecx
nop;nop
subl sG2@gottpoff(%ebx), %ecx
nop;nop;nop;nop
/* @gottpoff IE against global var */
movl %gs:0, %eax
nop;nop
subl sG4@gottpoff(%ebx), %eax
nop;nop;nop;nop
/* @gotntpoff IE against global var */
movl %gs:0, %ecx
nop;nop
addl sG3@gotntpoff(%ebx), %ecx
nop;nop;nop;nop
/* @gotntpoff IE against global var */
movl %gs:0, %eax
nop;nop
addl sG4@gotntpoff(%ebx), %eax
nop;nop;nop;nop
/* @gottpoff IE -> LE against global var defined in exec */
movl %gs:0, %ecx
nop;nop
subl sg1@gottpoff(%ebx), %ecx
nop;nop;nop;nop
/* @gotntpoff IE -> LE against local var */
movl %gs:0, %ecx
nop;nop
addl sl1@gotntpoff(%ebx), %eax
nop;nop;nop;nop
/* @gottpoff IE -> LE against hidden var */
movl %gs:0, %ecx
nop;nop
subl sh1@gottpoff(%ebx), %ecx
nop;nop;nop;nop
/* Direct access through %gs */
/* @gotntpoff IE against global var */
movl sG5@gotntpoff(%ebx), %ecx
nop;nop
movl %gs:(%ecx), %edx
nop;nop;nop;nop
/* @gotntpoff IE->LE against local var */
movl sl5@gotntpoff(%ebx), %eax
nop;nop
movl %gs:(%eax), %edx
nop;nop;nop;nop
/* @gotntpoff IE->LE against hidden var */
movl sh5@gotntpoff(%ebx), %edx
nop;nop
movl %gs:(%edx), %edx
nop;nop;nop;nop
movl -4(%ebp), %ebx
leave
ret

13
ld/testsuite/ld-i386/tlsbindesc.sd Normal file
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#source: tlsbindesc.s
#source: tlsbin.s
#as: --32
#ld: -melf_i386 tmpdir/libtlslib.so
#objdump: -sj.got
#target: i?86-*-*
.*: file format elf32-i386
Contents of section \.got:
804a0e0 [0-9a-f]+ 00000000 00000000 [0-9a-f]+ .*
804a0f0 00000000 00000000 00000000 00000000 .*
804a100 00000000 +.*

16
ld/testsuite/ld-i386/tlsbindesc.td Normal file
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#source: tlsbindesc.s
#source: tlsbin.s
#as: --32
#ld: -melf_i386 tmpdir/libtlslib.so
#objdump: -sj.tdata
#target: i?86-*-*
.*: file format elf32-i386
Contents of section \.tdata:
804a000 11000000 12000000 13000000 14000000 .*
804a010 15000000 16000000 17000000 18000000 .*
804a020 41000000 42000000 43000000 44000000 .*
804a030 45000000 46000000 47000000 48000000 .*
804a040 01010000 02010000 03010000 04010000 .*
804a050 05010000 06010000 07010000 08010000 .*

399
ld/testsuite/ld-i386/tlsdesc.dd Normal file
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#source: tlsdesc.s
#source: tlspic2.s
#as: --32
#ld: -shared -melf_i386
#objdump: -drj.text
#target: i?86-*-*
.*: +file format elf32-i386
Disassembly of section .text:
[0-9a-f]+ <fn1>:
[0-9a-f]+: 55[ ]+push %ebp
[0-9a-f]+: 89 e5[ ]+mov %esp,%ebp
[0-9a-f]+: 53[ ]+push %ebx
[0-9a-f]+: 50[ ]+push %eax
[0-9a-f]+: e8 00 00 00 00[ ]+call [0-9a-f]+ <fn1\+0xa>
[0-9a-f]+: 5b[ ]+pop %ebx
[0-9a-f]+: 81 c3 9a 13 00 00[ ]+add \$0x[0-9a-f]+,%ebx
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# GDesc
[0-9a-f]+: 8d 83 24 00 00 00[ ]+lea 0x24\(%ebx\),%eax
# ->R_386_TLS_DESC sg1
[0-9a-f]+: ff 10[ ]+call \*\(%eax\)
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# GD -> IE because variable is referenced through @gottpoff too
[0-9a-f]+: 8b 83 f8 ff ff ff[ ]+mov 0xfffffff8\(%ebx\),%eax
# ->R_386_TLS_TPOFF sg2
[0-9a-f]+: f7 d8[ ]+neg %eax
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# GD -> IE because variable is referenced through @gotntpoff too
[0-9a-f]+: 8b 83 c4 ff ff ff[ ]+mov 0xffffffc4\(%ebx\),%eax
# ->R_386_TLS_TPOFF32 sg3
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# GD -> IE because variable is referenced through @gottpoff and
[0-9a-f]+: 8b 83 d4 ff ff ff[ ]+mov 0xffffffd4\(%ebx\),%eax
# ->R_386_TLS_TPOFF32 sg4
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# GD against local variable
[0-9a-f]+: 8d 83 0c 00 00 00[ ]+lea 0xc\(%ebx\),%eax
# ->R_386_TLS_DESC sl1
[0-9a-f]+: ff 10[ ]+call \*\(%eax\)
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# GD -> IE against local variable referenced through @gottpoff too
[0-9a-f]+: 8b 83 b0 ff ff ff[ ]+mov 0xffffffb0\(%ebx\),%eax
# ->R_386_TLS_TPOFF sl2
[0-9a-f]+: f7 d8[ ]+neg %eax
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# GD -> IE against local variable referenced through @gotntpoff
[0-9a-f]+: 8b 83 b4 ff ff ff[ ]+mov 0xffffffb4\(%ebx\),%eax
# ->R_386_TLS_TPOFF32 sl3
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# GD -> IE against local variable referenced through @gottpoff and
[0-9a-f]+: 8b 83 bc ff ff ff[ ]+mov 0xffffffbc\(%ebx\),%eax
# ->R_386_TLS_TPOFF32 sl4
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# GD against hidden and local variable
[0-9a-f]+: 8d 83 2c 00 00 00[ ]+lea 0x2c\(%ebx\),%eax
# ->R_386_TLS_DESC sh1
[0-9a-f]+: ff 10[ ]+call \*\(%eax\)
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# GD -> IE against hidden and local variable referenced through @gottpoff too
[0-9a-f]+: 8b 83 fc ff ff ff[ ]+mov 0xfffffffc\(%ebx\),%eax
# ->R_386_TLS_TPOFF sh2
[0-9a-f]+: f7 d8[ ]+neg %eax
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# GD -> IE against hidden and local variable referenced through @gotntpoff too
[0-9a-f]+: 8b 83 c8 ff ff ff[ ]+mov 0xffffffc8\(%ebx\),%eax
# ->R_386_TLS_TPOFF32 sh3
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# GD -> IE against hidden and local variable referenced through @gottpoff and @gotntpoff too
[0-9a-f]+: 8b 83 e8 ff ff ff[ ]+mov 0xffffffe8\(%ebx\),%eax
# ->R_386_TLS_TPOFF32 sh4
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# GD against hidden but not local variable
[0-9a-f]+: 8d 83 14 00 00 00[ ]+lea 0x14\(%ebx\),%eax
# ->R_386_TLS_DESC sH1
[0-9a-f]+: ff 10[ ]+call \*\(%eax\)
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# GD -> IE against hidden but not local variable referenced through
[0-9a-f]+: 8b 83 cc ff ff ff[ ]+mov 0xffffffcc\(%ebx\),%eax
# ->R_386_TLS_TPOFF sH2
[0-9a-f]+: f7 d8[ ]+neg %eax
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# GD -> IE against hidden but not local variable referenced through
[0-9a-f]+: 8b 83 ec ff ff ff[ ]+mov 0xffffffec\(%ebx\),%eax
# ->R_386_TLS_TPOFF32 sH3
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# GD -> IE against hidden but not local variable referenced through
[0-9a-f]+: 8b 83 e0 ff ff ff[ ]+mov 0xffffffe0\(%ebx\),%eax
# ->R_386_TLS_TPOFF32 sH4
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# LD
[0-9a-f]+: 8d 83 1c 00 00 00[ ]+lea 0x1c\(%ebx\),%eax
# ->R_386_TLS_DESC _TLS_MODULE_BASE_
[0-9a-f]+: ff 10[ ]+call \*\(%eax\)
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 8d 90 20 00 00 00[ ]+lea 0x20\(%eax\),%edx
# sl1
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 8d 88 26 00 00 00[ ]+lea 0x26\(%eax\),%ecx
# sl2+2
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# LD against hidden and local variables
[0-9a-f]+: 8d 90 40 00 00 00[ ]+lea 0x40\(%eax\),%edx
# sh1
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 8d 88 47 00 00 00[ ]+lea 0x47\(%eax\),%ecx
# sh2+3
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# LD against hidden but not local variables
[0-9a-f]+: 8d 90 60 00 00 00[ ]+lea 0x60\(%eax\),%edx
# sH1
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 8d 88 65 00 00 00[ ]+lea 0x65\(%eax\),%ecx
# sH2+1
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# @gottpoff IE against global var
[0-9a-f]+: 65 8b 0d 00 00 00 00[ ]+mov %gs:0x0,%ecx
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 2b 8b f8 ff ff ff[ ]+sub 0xfffffff8\(%ebx\),%ecx
# ->R_386_TLS_TPOFF32 sg2
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# @gottpoff IE against global var
[0-9a-f]+: 65 a1 00 00 00 00[ ]+mov %gs:0x0,%eax
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 2b 83 d0 ff ff ff[ ]+sub 0xffffffd0\(%ebx\),%eax
# ->R_386_TLS_TPOFF32 sg4
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# @gotntpoff IE against global var
[0-9a-f]+: 65 8b 0d 00 00 00 00[ ]+mov %gs:0x0,%ecx
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 03 8b c4 ff ff ff[ ]+add 0xffffffc4\(%ebx\),%ecx
# ->R_386_TLS_TPOFF sg3
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# @gotntpoff IE against global var
[0-9a-f]+: 65 a1 00 00 00 00[ ]+mov %gs:0x0,%eax
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 03 83 d4 ff ff ff[ ]+add 0xffffffd4\(%ebx\),%eax
# ->R_386_TLS_TPOFF sg4
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# @gottpoff IE against local var
[0-9a-f]+: 65 8b 0d 00 00 00 00[ ]+mov %gs:0x0,%ecx
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 2b 8b b0 ff ff ff[ ]+sub 0xffffffb0\(%ebx\),%ecx
# ->R_386_TLS_TPOFF32 [0xdcffffff]
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# @gottpoff IE against local var
[0-9a-f]+: 65 a1 00 00 00 00[ ]+mov %gs:0x0,%eax
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 2b 83 b8 ff ff ff[ ]+sub 0xffffffb8\(%ebx\),%eax
# ->R_386_TLS_TPOFF32 [0xd4ffffff]
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# @gotntpoff IE against local var
[0-9a-f]+: 65 8b 0d 00 00 00 00[ ]+mov %gs:0x0,%ecx
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 03 8b b4 ff ff ff[ ]+add 0xffffffb4\(%ebx\),%ecx
# ->R_386_TLS_TPOFF [0x28000000]
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# @gotntpoff IE against local var
[0-9a-f]+: 65 a1 00 00 00 00[ ]+mov %gs:0x0,%eax
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 03 83 bc ff ff ff[ ]+add 0xffffffbc\(%ebx\),%eax
# ->R_386_TLS_TPOFF [0x2c000000]
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# @gottpoff IE against hidden and local var
[0-9a-f]+: 65 8b 0d 00 00 00 00[ ]+mov %gs:0x0,%ecx
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 2b 8b fc ff ff ff[ ]+sub 0xfffffffc\(%ebx\),%ecx
# ->R_386_TLS_TPOFF32 [0xbcffffff]
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# @gottpoff IE against hidden and local var
[0-9a-f]+: 65 a1 00 00 00 00[ ]+mov %gs:0x0,%eax
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 2b 83 e4 ff ff ff[ ]+sub 0xffffffe4\(%ebx\),%eax
# ->R_386_TLS_TPOFF32 [0xb4ffffff]
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# @gotntpoff IE against hidden and local var
[0-9a-f]+: 65 8b 0d 00 00 00 00[ ]+mov %gs:0x0,%ecx
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 03 8b c8 ff ff ff[ ]+add 0xffffffc8\(%ebx\),%ecx
# ->R_386_TLS_TPOFF [0x48000000]
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# @gotntpoff IE against hidden and local var
[0-9a-f]+: 65 a1 00 00 00 00[ ]+mov %gs:0x0,%eax
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 03 83 e8 ff ff ff[ ]+add 0xffffffe8\(%ebx\),%eax
# ->R_386_TLS_TPOFF [0x4c000000]
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# @gottpoff IE against hidden but not local var
[0-9a-f]+: 65 8b 0d 00 00 00 00[ ]+mov %gs:0x0,%ecx
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 2b 8b cc ff ff ff[ ]+sub 0xffffffcc\(%ebx\),%ecx
# ->R_386_TLS_TPOFF32 [0x9cffffff]
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# @gottpoff IE against hidden but not local var
[0-9a-f]+: 65 a1 00 00 00 00[ ]+mov %gs:0x0,%eax
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 2b 83 dc ff ff ff[ ]+sub 0xffffffdc\(%ebx\),%eax
# ->R_386_TLS_TPOFF32 [0x94ffffff]
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# @gotntpoff IE against hidden but not local var
[0-9a-f]+: 65 8b 0d 00 00 00 00[ ]+mov %gs:0x0,%ecx
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 03 8b ec ff ff ff[ ]+add 0xffffffec\(%ebx\),%ecx
# ->R_386_TLS_TPOFF [0x68000000]
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# @gotntpoff IE against hidden but not local var
[0-9a-f]+: 65 a1 00 00 00 00[ ]+mov %gs:0x0,%eax
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 03 83 e0 ff ff ff[ ]+add 0xffffffe0\(%ebx\),%eax
# ->R_386_TLS_TPOFF [0x6c000000]
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# Direct access through %gs
# @gotntpoff IE against global var
[0-9a-f]+: 8b 8b d8 ff ff ff[ ]+mov 0xffffffd8\(%ebx\),%ecx
# ->R_386_TLS_TPOFF sg5
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 65 8b 11[ ]+mov %gs:\(%ecx\),%edx
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# @gotntpoff IE against local var
[0-9a-f]+: 8b 83 c0 ff ff ff[ ]+mov 0xffffffc0\(%ebx\),%eax
# ->R_386_TLS_TPOFF [0x30000000]
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 65 8b 10[ ]+mov %gs:\(%eax\),%edx
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# @gotntpoff IE against hidden and local var
[0-9a-f]+: 8b 93 f0 ff ff ff[ ]+mov 0xfffffff0\(%ebx\),%edx
# ->R_386_TLS_TPOFF [0x50000000]
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 65 8b 12[ ]+mov %gs:\(%edx\),%edx
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# @gotntpoff IE against hidden but not local var
[0-9a-f]+: 8b 8b f4 ff ff ff[ ]+mov 0xfffffff4\(%ebx\),%ecx
# ->R_386_TLS_TPOFF [0x70000000]
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 65 8b 11[ ]+mov %gs:\(%ecx\),%edx
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 8b 5d fc[ ]+mov 0xfffffffc\(%ebp\),%ebx
[0-9a-f]+: c9[ ]+leave *
[0-9a-f]+: c3[ ]+ret *

155
ld/testsuite/ld-i386/tlsdesc.rd Normal file
View File

@ -0,0 +1,155 @@
#source: tlsdesc.s
#source: tlspic2.s
#as: --32
#ld: -shared -melf_i386
#readelf: -Ssrl
#target: i?86-*-*
There are [0-9]+ section headers, starting at offset 0x.*:
Section Headers:
\[Nr\] Name +Type +Addr +Off +Size +ES Flg Lk Inf Al
\[ 0\] +NULL +0+ 0+ 0+ 0+ +0 +0 +0
\[ 1\] \.hash +.*
\[ 2\] \.dynsym +.*
\[ 3\] \.dynstr +.*
\[ 4\] \.rel.dyn +.*
\[ 5\] \.rel.plt +.*
\[ 6\] \.text +.*
\[ 7\] \.tdata +PROGBITS +[0-9a-f]+ [0-9a-f]+ 000060 00 WAT 0 0 1
\[ 8\] \.tbss +NOBITS +[0-9aa-f]+ [0-9a-f]+ 000020 00 WAT 0 0 1
\[ 9\] \.dynamic +.*
\[10\] \.got +.*
\[11\] \.got.plt +.*
\[12\] \.shstrtab +.*
\[13\] \.symtab +.*
\[14\] \.strtab +.*
Key to Flags:
.*
.*
.*
Elf file type is DYN \(Shared object file\)
Entry point 0x[0-9a-f]+
There are [0-9]+ program headers, starting at offset [0-9]+
Program Headers:
Type +Offset +VirtAddr +PhysAddr +FileSiz +MemSiz +Flg Align
LOAD.*
LOAD.*
DYNAMIC.*
TLS +0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x0+60 0x0+80 R +0x1
Section to Segment mapping:
Segment Sections...
00 +.hash .dynsym .dynstr .rel.dyn .rel.plt .text *
01 +.tdata .dynamic .got .got.plt *
02 +.dynamic *
03 +.tdata .tbss *
Relocation section '.rel.dyn' at offset 0x[0-9a-f]+ contains 20 entries:
Offset +Info +Type +Sym.Value +Sym. Name
[0-9a-f]+ +0+25 R_386_TLS_TPOFF32
[0-9a-f]+ +0+0e R_386_TLS_TPOFF *
[0-9a-f]+ +0+25 R_386_TLS_TPOFF32
[0-9a-f]+ +0+0e R_386_TLS_TPOFF *
[0-9a-f]+ +0+0e R_386_TLS_TPOFF *
[0-9a-f]+ +0+0e R_386_TLS_TPOFF *
[0-9a-f]+ +0+25 R_386_TLS_TPOFF32
[0-9a-f]+ +0+25 R_386_TLS_TPOFF32
[0-9a-f]+ +0+0e R_386_TLS_TPOFF *
[0-9a-f]+ +0+25 R_386_TLS_TPOFF32
[0-9a-f]+ +0+0e R_386_TLS_TPOFF *
[0-9a-f]+ +0+0e R_386_TLS_TPOFF *
[0-9a-f]+ +0+0e R_386_TLS_TPOFF *
[0-9a-f]+ +0+0e R_386_TLS_TPOFF *
[0-9a-f]+ +0+25 R_386_TLS_TPOFF32
[0-9a-f]+ +0+50e R_386_TLS_TPOFF 0+8 sg3
[0-9a-f]+ +0+625 R_386_TLS_TPOFF32 0+c sg4
[0-9a-f]+ +0+60e R_386_TLS_TPOFF 0+c sg4
[0-9a-f]+ +0+70e R_386_TLS_TPOFF 0+10 sg5
[0-9a-f]+ +0+b25 R_386_TLS_TPOFF32 0+4 sg2
Relocation section '.rel.plt' at offset 0x[0-9a-f]+ contains 5 entries:
Offset Info Type Sym.Value Sym. Name
[0-9a-f]+ +0+829 R_386_TLS_DESC * 0+ sg1
[0-9a-f]+ +0+29 R_386_TLS_DESC *
[0-9a-f]+ +0+29 R_386_TLS_DESC *
[0-9a-f]+ +0+29 R_386_TLS_DESC *
[0-9a-f]+ +0+29 R_386_TLS_DESC *
Symbol table '.dynsym' contains 16 entries:
+Num: + Value Size Type + Bind +Vis +Ndx Name
+[0-9]+: 0+ +0 NOTYPE LOCAL DEFAULT UND *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +6 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +7 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +8 *
+[0-9]+: 0+1c +0 TLS +GLOBAL DEFAULT +7 sg8
+[0-9]+: 0+8 +0 TLS +GLOBAL DEFAULT +7 sg3
+[0-9]+: 0+c +0 TLS +GLOBAL DEFAULT +7 sg4
+[0-9]+: 0+10 +0 TLS +GLOBAL DEFAULT +7 sg5
+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT +7 sg1
+[0-9]+: [0-9a-f]+ +0 FUNC +GLOBAL DEFAULT +6 fn1
+[0-9]+: [0-9a-f]+ +0 NOTYPE GLOBAL DEFAULT ABS __bss_start
+[0-9]+: 0+4 +0 TLS +GLOBAL DEFAULT +7 sg2
+[0-9]+: 0+14 +0 TLS +GLOBAL DEFAULT +7 sg6
+[0-9]+: 0+18 +0 TLS +GLOBAL DEFAULT +7 sg7
+[0-9]+: [0-9a-f]+ +0 NOTYPE GLOBAL DEFAULT ABS _edata
+[0-9]+: [0-9a-f]+ +0 NOTYPE GLOBAL DEFAULT ABS _end
Symbol table '.symtab' contains 54 entries:
+Num: +Value Size Type +Bind +Vis +Ndx Name
+[0-9]+: 0+ +0 NOTYPE LOCAL DEFAULT UND *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +1 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +2 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +3 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +4 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +5 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +6 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +7 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +8 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +9 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +10 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +11 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +12 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +13 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +14 *
+[0-9]+: 0+20 +0 TLS +LOCAL DEFAULT +7 sl1
+[0-9]+: 0+24 +0 TLS +LOCAL DEFAULT +7 sl2
+[0-9]+: 0+28 +0 TLS +LOCAL DEFAULT +7 sl3
+[0-9]+: 0+2c +0 TLS +LOCAL DEFAULT +7 sl4
+[0-9]+: 0+30 +0 TLS +LOCAL DEFAULT +7 sl5
+[0-9]+: 0+34 +0 TLS +LOCAL DEFAULT +7 sl6
+[0-9]+: 0+38 +0 TLS +LOCAL DEFAULT +7 sl7
+[0-9]+: 0+3c +0 TLS +LOCAL DEFAULT +7 sl8
+[0-9]+: 0+60 +0 TLS +LOCAL HIDDEN +8 sH1
+[0-9]+: 0+ +0 TLS +LOCAL HIDDEN +7 _TLS_MODULE_BASE_
+[0-9]+: [0-9a-f]+ +0 OBJECT LOCAL HIDDEN ABS _DYNAMIC
+[0-9]+: 0+48 +0 TLS +LOCAL HIDDEN +7 sh3
+[0-9]+: 0+64 +0 TLS +LOCAL HIDDEN +8 sH2
+[0-9]+: 0+78 +0 TLS +LOCAL HIDDEN +8 sH7
+[0-9]+: 0+58 +0 TLS +LOCAL HIDDEN +7 sh7
+[0-9]+: 0+5c +0 TLS +LOCAL HIDDEN +7 sh8
+[0-9]+: 0+6c +0 TLS +LOCAL HIDDEN +8 sH4
+[0-9]+: 0+4c +0 TLS +LOCAL HIDDEN +7 sh4
+[0-9]+: 0+68 +0 TLS +LOCAL HIDDEN +8 sH3
+[0-9]+: 0+50 +0 TLS +LOCAL HIDDEN +7 sh5
+[0-9]+: 0+70 +0 TLS +LOCAL HIDDEN +8 sH5
+[0-9]+: 0+74 +0 TLS +LOCAL HIDDEN +8 sH6
+[0-9]+: 0+7c +0 TLS +LOCAL HIDDEN +8 sH8
+[0-9]+: 0+40 +0 TLS +LOCAL HIDDEN +7 sh1
+[0-9]+: [0-9a-f]+ +0 OBJECT LOCAL HIDDEN ABS _GLOBAL_OFFSET_TABLE_
+[0-9]+: 0+44 +0 TLS +LOCAL HIDDEN +7 sh2
+[0-9]+: 0+54 +0 TLS +LOCAL HIDDEN +7 sh6
+[0-9]+: 0+1c +0 TLS +GLOBAL DEFAULT +7 sg8
+[0-9]+: 0+8 +0 TLS +GLOBAL DEFAULT +7 sg3
+[0-9]+: 0+c +0 TLS +GLOBAL DEFAULT +7 sg4
+[0-9]+: 0+10 +0 TLS +GLOBAL DEFAULT +7 sg5
+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT +7 sg1
+[0-9]+: [0-9a-f]+ +0 FUNC +GLOBAL DEFAULT +6 fn1
+[0-9]+: [0-9a-f]+ +0 NOTYPE GLOBAL DEFAULT ABS __bss_start
+[0-9]+: 0+4 +0 TLS +GLOBAL DEFAULT +7 sg2
+[0-9]+: 0+14 +0 TLS +GLOBAL DEFAULT +7 sg6
+[0-9]+: 0+18 +0 TLS +GLOBAL DEFAULT +7 sg7
+[0-9]+: [0-9a-f]+ +0 NOTYPE GLOBAL DEFAULT ABS _edata
+[0-9]+: [0-9a-f]+ +0 NOTYPE GLOBAL DEFAULT ABS _end

276
ld/testsuite/ld-i386/tlsdesc.s Normal file
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.section ".tdata", "awT", @progbits
.globl sg1, sg2, sg3, sg4, sg5, sg6, sg7, sg8
.globl sh1, sh2, sh3, sh4, sh5, sh6, sh7, sh8
.hidden sh1, sh2, sh3, sh4, sh5, sh6, sh7, sh8
sg1: .long 17
sg2: .long 18
sg3: .long 19
sg4: .long 20
sg5: .long 21
sg6: .long 22
sg7: .long 23
sg8: .long 24
sl1: .long 65
sl2: .long 66
sl3: .long 67
sl4: .long 68
sl5: .long 69
sl6: .long 70
sl7: .long 71
sl8: .long 72
sh1: .long 257
sh2: .long 258
sh3: .long 259
sh4: .long 260
sh5: .long 261
sh6: .long 262
sh7: .long 263
sh8: .long 264
.text
.globl fn1
.type fn1,@function
fn1:
pushl %ebp
movl %esp, %ebp
pushl %ebx
pushl %eax
call 1f
1: popl %ebx
addl $_GLOBAL_OFFSET_TABLE_+[.-1b], %ebx
nop;nop;nop;nop
/* GD */
leal sg1@tlsdesc(%ebx), %eax
call *sg1@tlscall(%eax)
nop;nop;nop;nop
/* GD -> IE because variable is referenced through @gottpoff too */
leal sg2@tlsdesc(%ebx), %eax
call *sg2@tlscall(%eax)
nop;nop;nop;nop
/* GD -> IE because variable is referenced through @gotntpoff too */
leal sg3@tlsdesc(%ebx), %eax
call *sg3@tlscall(%eax)
nop;nop;nop;nop
/* GD -> IE because variable is referenced through @gottpoff and
@gotntpoff too */
leal sg4@tlsdesc(%ebx), %eax
call *sg4@tlscall(%eax)
nop;nop;nop;nop
/* GD against local variable */
leal sl1@tlsdesc(%ebx), %eax
call *sl1@tlscall(%eax)
nop;nop;nop;nop
/* GD -> IE against local variable referenced through @gottpoff too */
leal sl2@tlsdesc(%ebx), %eax
call *sl2@tlscall(%eax)
nop;nop;nop;nop
/* GD -> IE against local variable referenced through @gotntpoff
too */
leal sl3@tlsdesc(%ebx), %eax
call *sl3@tlscall(%eax)
nop;nop;nop;nop
/* GD -> IE against local variable referenced through @gottpoff and
@gotntpoff too */
leal sl4@tlsdesc(%ebx), %eax
call *sl4@tlscall(%eax)
nop;nop;nop;nop
/* GD against hidden and local variable */
leal sh1@tlsdesc(%ebx), %eax
call *sh1@tlscall(%eax)
nop;nop;nop;nop
/* GD -> IE against hidden and local variable referenced through
@gottpoff too */
leal sh2@tlsdesc(%ebx), %eax
call *sh2@tlscall(%eax)
nop;nop;nop;nop
/* GD -> IE against hidden and local variable referenced through
@gotntpoff too */
leal sh3@tlsdesc(%ebx), %eax
call *sh3@tlscall(%eax)
nop;nop;nop;nop
/* GD -> IE against hidden and local variable referenced through
@gottpoff and @gotntpoff too */
leal sh4@tlsdesc(%ebx), %eax
call *sh4@tlscall(%eax)
nop;nop;nop;nop
/* GD against hidden but not local variable */
leal sH1@tlsdesc(%ebx), %eax
call *sH1@tlscall(%eax)
nop;nop;nop;nop
/* GD -> IE against hidden but not local variable referenced through
@gottpoff too */
leal sH2@tlsdesc(%ebx), %eax
call *sH2@tlscall(%eax)
nop;nop;nop;nop
/* GD -> IE against hidden but not local variable referenced through
@gotntpoff too */
leal sH3@tlsdesc(%ebx), %eax
call *sH3@tlscall(%eax)
nop;nop;nop;nop
/* GD -> IE against hidden but not local variable referenced through
@gottpoff and @gotntpoff too */
leal sH4@tlsdesc(%ebx), %eax
call *sH4@tlscall(%eax)
nop;nop;nop;nop
/* LD */
leal _TLS_MODULE_BASE_@tlsdesc(%ebx), %eax
call *_TLS_MODULE_BASE_@tlscall(%eax)
nop;nop
leal sl1@dtpoff(%eax), %edx
nop;nop
leal 2+sl2@dtpoff(%eax), %ecx
nop;nop;nop;nop
/* LD against hidden and local variables */
leal sh1@dtpoff(%eax), %edx
nop;nop
leal sh2@dtpoff+3(%eax), %ecx
nop;nop;nop;nop
/* LD against hidden but not local variables */
leal sH1@dtpoff(%eax), %edx
nop;nop
leal sH2@dtpoff+1(%eax), %ecx
nop;nop
/* @gottpoff IE against global var */
movl %gs:0, %ecx
nop;nop
subl sg2@gottpoff(%ebx), %ecx
nop;nop;nop;nop
/* @gottpoff IE against global var */
movl %gs:0, %eax
nop;nop
subl sg4@gottpoff(%ebx), %eax
nop;nop;nop;nop
/* @gotntpoff IE against global var */
movl %gs:0, %ecx
nop;nop
addl sg3@gotntpoff(%ebx), %ecx
nop;nop;nop;nop
/* @gotntpoff IE against global var */
movl %gs:0, %eax
nop;nop
addl sg4@gotntpoff(%ebx), %eax
nop;nop;nop;nop
/* @gottpoff IE against local var */
movl %gs:0, %ecx
nop;nop
subl sl2@gottpoff(%ebx), %ecx
nop;nop;nop;nop
/* @gottpoff IE against local var */
movl %gs:0, %eax
nop;nop
subl sl4@gottpoff(%ebx), %eax
nop;nop;nop;nop
/* @gotntpoff IE against local var */
movl %gs:0, %ecx
nop;nop
addl sl3@gotntpoff(%ebx), %ecx
nop;nop;nop;nop
/* @gotntpoff IE against local var */
movl %gs:0, %eax
nop;nop
addl sl4@gotntpoff(%ebx), %eax
nop;nop;nop;nop
/* @gottpoff IE against hidden and local var */
movl %gs:0, %ecx
nop;nop
subl sh2@gottpoff(%ebx), %ecx
nop;nop;nop;nop
/* @gottpoff IE against hidden and local var */
movl %gs:0, %eax
nop;nop
subl sh4@gottpoff(%ebx), %eax
nop;nop;nop;nop
/* @gotntpoff IE against hidden and local var */
movl %gs:0, %ecx
nop;nop
addl sh3@gotntpoff(%ebx), %ecx
nop;nop;nop;nop
/* @gotntpoff IE against hidden and local var */
movl %gs:0, %eax
nop;nop
addl sh4@gotntpoff(%ebx), %eax
nop;nop;nop;nop
/* @gottpoff IE against hidden but not local var */
movl %gs:0, %ecx
nop;nop
subl sH2@gottpoff(%ebx), %ecx
nop;nop;nop;nop
/* @gottpoff IE against hidden but not local var */
movl %gs:0, %eax
nop;nop
subl sH4@gottpoff(%ebx), %eax
nop;nop;nop;nop
/* @gotntpoff IE against hidden but not local var */
movl %gs:0, %ecx
nop;nop
addl sH3@gotntpoff(%ebx), %ecx
nop;nop;nop;nop
/* @gotntpoff IE against hidden but not local var */
movl %gs:0, %eax
nop;nop
addl sH4@gotntpoff(%ebx), %eax
nop;nop;nop;nop
/* Direct access through %gs */
/* @gotntpoff IE against global var */
movl sg5@gotntpoff(%ebx), %ecx
nop;nop
movl %gs:(%ecx), %edx
nop;nop;nop;nop
/* @gotntpoff IE against local var */
movl sl5@gotntpoff(%ebx), %eax
nop;nop
movl %gs:(%eax), %edx
nop;nop;nop;nop
/* @gotntpoff IE against hidden and local var */
movl sh5@gotntpoff(%ebx), %edx
nop;nop
movl %gs:(%edx), %edx
nop;nop;nop;nop
/* @gotntpoff IE against hidden but not local var */
movl sH5@gotntpoff(%ebx), %ecx
nop;nop
movl %gs:(%ecx), %edx
nop;nop;nop;nop
movl -4(%ebp), %ebx
leave
ret

20
ld/testsuite/ld-i386/tlsdesc.sd Normal file
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#source: tlsdesc.s
#source: tlspic2.s
#as: --32
#ld: -shared -melf_i386
#objdump: -s -j.got -j.got.plt
#target: i?86-*-*
.*: file format elf32-i386
Contents of section \.got:
[0-9a-f]+ dcffffff 28000000 d4ffffff 2c000000 .*
[0-9a-f]+ 30000000 00000000 48000000 9cffffff .*
[0-9a-f]+ 00000000 00000000 00000000 94ffffff .*
[0-9a-f]+ 6c000000 b4ffffff 4c000000 68000000 .*
[0-9a-f]+ 50000000 70000000 00000000 bcffffff .*
Contents of section \.got\.plt:
[0-9a-f]+ ec150000 00000000 00000000 00000000 .*
[0-9a-f]+ 20000000 00000000 60000000 00000000 .*
[0-9a-f]+ 00000000 00000000 00000000 00000000 .*
[0-9a-f]+ 40000000 +.*

16
ld/testsuite/ld-i386/tlsdesc.td Normal file
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@ -0,0 +1,16 @@
#source: tlsdesc.s
#source: tlspic2.s
#as: --32
#ld: -shared -melf_i386
#objdump: -sj.tdata
#target: i?86-*-*
.*: file format elf32-i386
Contents of section \.tdata:
[0-9a-f]+ 11000000 12000000 13000000 14000000 .*
[0-9a-f]+ 15000000 16000000 17000000 18000000 .*
[0-9a-f]+ 41000000 42000000 43000000 44000000 .*
[0-9a-f]+ 45000000 46000000 47000000 48000000 .*
[0-9a-f]+ 01010000 02010000 03010000 04010000 .*
[0-9a-f]+ 05010000 06010000 07010000 08010000 .*

158
ld/testsuite/ld-i386/tlsgdesc.dd Normal file
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#source: tlsgdesc.s
#as: --32
#ld: -shared -melf_i386
#objdump: -drj.text
#target: i?86-*-*
.*: +file format elf32-i386
Disassembly of section .text:
[0-9a-f]+ <fc1>:
[0-9a-f]+: 55[ ]+push %ebp
[0-9a-f]+: 89 e5[ ]+mov %esp,%ebp
[0-9a-f]+: 53[ ]+push %ebx
[0-9a-f]+: 50[ ]+push %eax
[0-9a-f]+: e8 00 00 00 00[ ]+call [0-9a-f]+ <.*>
[0-9a-f]+: 5b[ ]+pop %ebx
[0-9a-f]+: 81 c3 be 11 00 00[ ]+add \$0x[0-9a-f]+,%ebx
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# @gottpoff IE against global var
[0-9a-f]+: 65 8b 0d 00 00 00 00[ ]+mov %gs:0x0,%ecx
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 2b 8b e0 ff ff ff[ ]+sub 0xffffffe0\(%ebx\),%ecx
# ->R_386_TLS_TPOFF32 sG3
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# @gotntpoff IE against global var
[0-9a-f]+: 65 8b 0d 00 00 00 00[ ]+mov %gs:0x0,%ecx
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 03 8b f0 ff ff ff[ ]+add 0xfffffff0\(%ebx\),%ecx
# ->R_386_TLS_TPOFF sG4
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# GD
[0-9a-f]+: 8d 04 1d f8 ff ff ff[ ]+lea 0xfffffff8\(,%ebx,1\),%eax
# ->R_386_TLS_DTPMOD32 sG1
[0-9a-f]+: e8 a9 ff ff ff[ ]+call [0-9a-f]+ <___tls_get_addr@plt>
# ->R_386_JUMP_SLOT ___tls_get_addr
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 8d 83 18 00 00 00[ ]+lea 0x18\(%ebx\),%eax
# ->R_386_TLS_DESC sG1
[0-9a-f]+: ff 10[ ]+call \*\(%eax\)
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 8d 83 10 00 00 00[ ]+lea 0x10\(%ebx\),%eax
# ->R_386_TLS_DESC sG2
[0-9a-f]+: ff 10[ ]+call \*\(%eax\)
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 8d 04 1d e8 ff ff ff[ ]+lea 0xffffffe8\(,%ebx,1\),%eax
# ->R_386_TLS_DTPMOD32 sG2
[0-9a-f]+: e8 81 ff ff ff[ ]+call [0-9a-f]+ <___tls_get_addr@plt>
# ->R_386_JUMP_SLOT ___tls_get_addr
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# GD -> IE because variable is referenced through @gottpoff too
[0-9a-f]+: 65 a1 00 00 00 00[ ]+mov %gs:0x0,%eax
[0-9a-f]+: 2b 83 e0 ff ff ff[ ]+sub 0xffffffe0\(%ebx\),%eax
# ->R_386_TLS_TPOFF32 sG3
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 8b 83 e0 ff ff ff[ ]+mov 0xffffffe0\(%ebx\),%eax
# ->R_386_TLS_TPOFF32 sG3
[0-9a-f]+: f7 d8[ ]+neg %eax
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# GD -> IE because variable is referenced through @gotntpoff too
[0-9a-f]+: 8b 83 f0 ff ff ff[ ]+mov 0xfffffff0\(%ebx\),%eax
# ->R_386_TLS_TPOFF sG4
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 65 a1 00 00 00 00[ ]+mov %gs:0x0,%eax
[0-9a-f]+: 03 83 f0 ff ff ff[ ]+add 0xfffffff0\(%ebx\),%eax
# ->R_386_TLS_TPOFF sG4
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# GD -> IE because variable is referenced through @gotntpoff too
[0-9a-f]+: 65 a1 00 00 00 00[ ]+mov %gs:0x0,%eax
[0-9a-f]+: 03 83 e4 ff ff ff[ ]+add 0xffffffe4\(%ebx\),%eax
# ->R_386_TLS_TPOFF sG5
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 8b 83 e4 ff ff ff[ ]+mov 0xffffffe4\(%ebx\),%eax
# ->R_386_TLS_TPOFF sG5
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# GD -> IE because variable is referenced through @gottpoff too
[0-9a-f]+: 8b 83 f4 ff ff ff[ ]+mov 0xfffffff4\(%ebx\),%eax
# ->R_386_TLS_TPOFF32 sG6
[0-9a-f]+: f7 d8[ ]+neg %eax
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 65 a1 00 00 00 00[ ]+mov %gs:0x0,%eax
[0-9a-f]+: 2b 83 f4 ff ff ff[ ]+sub 0xfffffff4\(%ebx\),%eax
# ->R_386_TLS_TPOFF32 sG6
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# @gotntpoff IE against global var
[0-9a-f]+: 65 8b 0d 00 00 00 00[ ]+mov %gs:0x0,%ecx
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 03 8b e4 ff ff ff[ ]+add 0xffffffe4\(%ebx\),%ecx
# ->R_386_TLS_TPOFF sG5
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# @gottpoff IE against global var
[0-9a-f]+: 65 8b 0d 00 00 00 00[ ]+mov %gs:0x0,%ecx
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 2b 8b f4 ff ff ff[ ]+sub 0xfffffff4\(%ebx\),%ecx
# ->R_386_TLS_TPOFF32 sG6
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 8b 5d fc[ ]+mov 0xfffffffc\(%ebp\),%ebx
[0-9a-f]+: c9[ ]+leave *
[0-9a-f]+: c3[ ]+ret *

107
ld/testsuite/ld-i386/tlsgdesc.rd Normal file
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@ -0,0 +1,107 @@
#source: tlsgdesc.s
#as: --32
#ld: -shared -melf_i386
#readelf: -Ssrl
#target: i?86-*-*
There are [0-9]+ section headers, starting at offset 0x.*:
Section Headers:
\[Nr\] Name +Type +Addr +Off +Size +ES Flg Lk Inf Al
\[ 0\] +NULL +0+ 0+ 0+ 0+ +0 +0 +0
\[ 1\] \.hash +.*
\[ 2\] \.dynsym +.*
\[ 3\] \.dynstr +.*
\[ 4\] \.rel.dyn +.*
\[ 5\] \.rel.plt +.*
\[ 6\] \.plt +.*
\[ 7\] \.text +.*
\[ 8\] \.dynamic +.*
\[ 9\] \.got +.*
\[10\] \.got.plt +.*
\[11\] \.shstrtab +.*
\[12\] \.symtab +.*
\[13\] \.strtab +.*
Key to Flags:
.*
.*
.*
Elf file type is DYN \(Shared object file\)
Entry point 0x[0-9a-f]+
There are [0-9]+ program headers, starting at offset [0-9]+
Program Headers:
Type +Offset +VirtAddr +PhysAddr +FileSiz +MemSiz +Flg Align
LOAD.*
LOAD.*
DYNAMIC.*
Section to Segment mapping:
Segment Sections...
00 +.hash .dynsym .dynstr .rel.dyn .rel.plt .plt .text *
01 +.dynamic .got .got.plt *
02 +.dynamic *
Relocation section '.rel.dyn' at offset 0x[0-9a-f]+ contains 8 entries:
Offset +Info +Type +Sym.Value +Sym. Name
[0-9a-f]+ +0+225 R_386_TLS_TPOFF32 0+ sG3
[0-9a-f]+ +0+30e R_386_TLS_TPOFF 0+ sG5
[0-9a-f]+ +0+423 R_386_TLS_DTPMOD3 0+ sG2
[0-9a-f]+ +0+424 R_386_TLS_DTPOFF3 0+ sG2
[0-9a-f]+ +0+50e R_386_TLS_TPOFF 0+ sG4
[0-9a-f]+ +0+725 R_386_TLS_TPOFF32 0+ sG6
[0-9a-f]+ +0+923 R_386_TLS_DTPMOD3 0+ sG1
[0-9a-f]+ +0+924 R_386_TLS_DTPOFF3 0+ sG1
Relocation section '.rel.plt' at offset 0x[0-9a-f]+ contains 3 entries:
Offset Info Type Sym.Value Sym. Name
[0-9a-f]+ 0+c07 R_386_JUMP_SLOT 0+ ___tls_get_addr
[0-9a-f]+ 0+929 R_386_TLS_DESC 0+ sG1
[0-9a-f]+ 0+429 R_386_TLS_DESC 0+ sG2
Symbol table '.dynsym' contains 13 entries:
+Num: + Value Size Type + Bind +Vis +Ndx Name
+[0-9]+: 0+ +0 NOTYPE LOCAL DEFAULT UND *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +7 *
+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT UND sG3
+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT UND sG5
+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT UND sG2
+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT UND sG4
+[0-9]+: [0-9a-f]+ +0 NOTYPE GLOBAL DEFAULT ABS __bss_start
+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT UND sG6
+[0-9]+: [0-9a-f]+ +0 FUNC +GLOBAL DEFAULT +7 fc1
+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT UND sG1
+[0-9]+: [0-9a-f]+ +0 NOTYPE GLOBAL DEFAULT ABS _edata
+[0-9]+: [0-9a-f]+ +0 NOTYPE GLOBAL DEFAULT ABS _end
+[0-9]+: 0+ +0 NOTYPE GLOBAL DEFAULT UND ___tls_get_addr
Symbol table '.symtab' contains 27 entries:
+Num: +Value Size Type +Bind +Vis +Ndx Name
+[0-9]+: 0+ +0 NOTYPE LOCAL DEFAULT UND *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +1 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +2 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +3 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +4 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +5 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +6 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +7 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +8 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +9 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +10 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +11 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +12 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +13 *
+[0-9]+: [0-9a-f]+ +0 OBJECT LOCAL HIDDEN ABS _DYNAMIC
+[0-9]+: [0-9a-f]+ +0 OBJECT LOCAL HIDDEN ABS _GLOBAL_OFFSET_TABLE_
+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT UND sG3
+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT UND sG5
+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT UND sG2
+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT UND sG4
+[0-9]+: [0-9a-f]+ +0 NOTYPE GLOBAL DEFAULT ABS __bss_start
+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT UND sG6
+[0-9]+: [0-9a-f]+ +0 FUNC +GLOBAL DEFAULT +7 fc1
+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT UND sG1
+[0-9]+: [0-9a-f]+ +0 NOTYPE GLOBAL DEFAULT ABS _edata
+[0-9]+: [0-9a-f]+ +0 NOTYPE GLOBAL DEFAULT ABS _end
+[0-9]+: 0+ +0 NOTYPE GLOBAL DEFAULT UND ___tls_get_addr

100
ld/testsuite/ld-i386/tlsgdesc.s Normal file
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.text
.globl fc1
.type fc1,@function
fc1:
pushl %ebp
movl %esp, %ebp
pushl %ebx
pushl %eax
call 1f
1: popl %ebx
addl $_GLOBAL_OFFSET_TABLE_+[.-1b], %ebx
nop;nop;nop;nop
/* @gottpoff IE against global var */
movl %gs:0, %ecx
nop;nop
subl sG3@gottpoff(%ebx), %ecx
nop;nop;nop;nop
/* @gotntpoff IE against global var */
movl %gs:0, %ecx
nop;nop
addl sG4@gotntpoff(%ebx), %ecx
nop;nop;nop;nop
/* GD */
leal sG1@tlsgd(,%ebx,1), %eax
call ___tls_get_addr@plt
nop;nop;nop;nop
/* GD */
leal sG1@tlsdesc(%ebx), %eax
call *sG1@tlscall(%eax)
nop;nop;nop;nop
/* GD */
leal sG2@tlsdesc(%ebx), %eax
call *sG2@tlscall(%eax)
nop;nop;nop;nop
/* GD */
leal sG2@tlsgd(,%ebx,1), %eax
call ___tls_get_addr@plt
nop;nop;nop;nop
/* GD -> IE tpoff */
leal sG3@tlsgd(,%ebx,1), %eax
call ___tls_get_addr@plt
nop;nop;nop;nop
/* GD -> IE tpoff */
leal sG3@tlsdesc(%ebx), %eax
call *sG3@tlscall(%eax)
nop;nop;nop;nop
/* GD -> IE ntpoff */
leal sG4@tlsdesc(%ebx), %eax
call *sG4@tlscall(%eax)
nop;nop;nop;nop
/* GD -> IE ntpoff */
leal sG4@tlsgd(,%ebx,1), %eax
call ___tls_get_addr@plt
nop;nop;nop;nop
/* GD -> IE ntpoff */
leal sG5@tlsgd(,%ebx,1), %eax
call ___tls_get_addr@plt
nop;nop;nop;nop
/* GD -> IE ntpoff */
leal sG5@tlsdesc(%ebx), %eax
call *sG5@tlscall(%eax)
nop;nop;nop;nop
/* GD -> IE tpoff */
leal sG6@tlsdesc(%ebx), %eax
call *sG6@tlscall(%eax)
nop;nop;nop;nop
/* GD -> IE tpoff */
leal sG6@tlsgd(,%ebx,1), %eax
call ___tls_get_addr@plt
nop;nop;nop;nop
/* @gotntpoff IE against global var */
movl %gs:0, %ecx
nop;nop
addl sG5@gotntpoff(%ebx), %ecx
nop;nop;nop;nop
/* @gottpoff IE against global var */
movl %gs:0, %ecx
nop;nop
subl sG6@gottpoff(%ebx), %ecx
nop;nop;nop;nop
movl -4(%ebp), %ebx
leave
ret

307
ld/testsuite/ld-x86-64/tlsbindesc.dd Normal file
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#source: tlsbindesc.s
#source: tlsbin.s
#as: --64
#ld: -shared -melf_x86_64
#objdump: -drj.text
#target: x86_64-*-*
# PT_TLS layout is:
# Offset from Offset from Name
# TCB base TCB end
# 0x00 -0xa0 sg1..sg8
# 0x20 -0x80 sl1..sl8
# 0x40 -0x60 sh1..sh8
# 0x60 -0x40 bg1..bg8
# 0x80 -0x20 bl1..bl8
.*: +file format elf64-x86-64
Disassembly of section .text:
0+401000 <fn2>:
[0-9a-f]+: 55[ ]+push %rbp
[0-9a-f]+: 48 89 e5[ ]+mov %rsp,%rbp
# GD -> IE because variable is not defined in executable
[0-9a-f]+: 48 8b 05 65 03 10 00[ ]+mov 1049445\(%rip\),%rax +# 501370 <.*>
# -> R_X86_64_TPOFF64 sG1
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# GD -> IE because variable is not defined in executable where
# the variable is referenced through IE too
[0-9a-f]+: 48 8b 05 48 03 10 00[ ]+mov 1049416\(%rip\),%rax +# 501360 <.*>
# -> R_X86_64_TPOFF64 sG2
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# GD -> LE with global variable defined in executable
[0-9a-f]+: 48 c7 c0 60 ff ff ff[ ]+mov \$0xf+60,%rax
# sg1
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# GD -> LE with local variable defined in executable
[0-9a-f]+: 48 c7 c0 80 ff ff ff[ ]+mov \$0xf+80,%rax
# sl1
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# GD -> LE with hidden variable defined in executable
[0-9a-f]+: 48 c7 c0 a0 ff ff ff[ ]+mov \$0xf+a0,%rax
# sh1
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# LD -> LE
[0-9a-f]+: 48 c7 c0 60 ff ff ff[ ]+mov \$0xf+60,%rax
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 48 8d 90 81 ff ff ff[ ]+lea 0xf+81\(%rax\),%rdx
# sl1+1
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 4c 8d 88 86 ff ff ff[ ]+lea 0xf+86\(%rax\),%r9
# sl2+2
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# LD -> LE against hidden variables
[0-9a-f]+: 48 8d 90 a0 ff ff ff[ ]+lea 0xf+a0\(%rax\),%rdx
# sh1
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 48 8d 88 a7 ff ff ff[ ]+lea 0xf+a7\(%rax\),%rcx
# sh2+3
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# IE against global var
[0-9a-f]+: 64 4c 8b 0c 25 00 00[ ]+mov %fs:0x0,%r9
[0-9a-f]+: 00 00 *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 4c 03 0d d6 02 10 00[ ]+add 1049302\(%rip\),%r9 +# 501360 <.*>
# -> R_X86_64_TPOFF64 sG2
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# IE -> LE against global var defined in exec
[0-9a-f]+: 64 4c 8b 14 25 00 00[ ]+mov %fs:0x0,%r10
[0-9a-f]+: 00 00 *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 4d 8d 92 60 ff ff ff[ ]+lea 0xf+60\(%r10\),%r10
# sg1
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# IE -> LE against local var
[0-9a-f]+: 64 48 8b 04 25 00 00[ ]+mov %fs:0x0,%rax
[0-9a-f]+: 00 00 *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 48 8d 80 80 ff ff ff[ ]+lea 0xf+80\(%rax\),%rax
# sl1
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# IE -> LE against hidden var
[0-9a-f]+: 64 48 8b 0c 25 00 00[ ]+mov %fs:0x0,%rcx
[0-9a-f]+: 00 00 *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 48 8d 89 a0 ff ff ff[ ]+lea 0xf+a0\(%rcx\),%rcx
# sh1
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# Direct access through %fs
# IE against global var
[0-9a-f]+: 48 8b 0d 81 02 10 00[ ]+mov 1049217\(%rip\),%rcx +# 501358 <.*>
# -> R_X86_64_TPOFF64 sG5
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 64 48 8b 11[ ]+mov %fs:\(%rcx\),%rdx
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# IE->LE against local var
[0-9a-f]+: 49 c7 c3 90 ff ff ff[ ]+mov \$0xf+90,%r11
# sl5
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 64 4d 8b 23[ ]+mov %fs:\(%r11\),%r12
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# IE->LE against hidden var
[0-9a-f]+: 48 c7 c2 b0 ff ff ff[ ]+mov \$0xf+b0,%rdx
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 64 48 8b 12[ ]+mov %fs:\(%rdx\),%rdx
# sh5
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: c9[ ]+leaveq *
[0-9a-f]+: c3[ ]+retq *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+ <_start>:
[0-9a-f]+: 55[ ]+push %rbp
[0-9a-f]+: 48 89 e5[ ]+mov %rsp,%rbp
# IE against global var
[0-9a-f]+: 64 4c 8b 1c 25 00 00[ ]+mov %fs:0x0,%r11
[0-9a-f]+: 00 00 *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 4c 03 1d 4a 02 10 00[ ]+add 1049162\(%rip\),%r11 +# 501368 <.*>
# -> R_X86_64_TPOFF64 sG6
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# IE -> LE against global var defined in exec
[0-9a-f]+: 64 48 8b 14 25 00 00[ ]+mov %fs:0x0,%rdx
[0-9a-f]+: 00 00 *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 48 8d 92 d4 ff ff ff[ ]+lea 0xf+d4\(%rdx\),%rdx
# bg6
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# IE -> LE against local var
[0-9a-f]+: 64 4c 8b 24 25 00 00[ ]+mov %fs:0x0,%r12
[0-9a-f]+: 00 00 *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 49 81 c4 f4 ff ff ff[ ]+add \$0xf+f4,%r12
# bl6
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# direct %fs access IE -> LE against local var
[0-9a-f]+: 48 c7 c2 fc ff ff ff[ ]+mov \$0xf+fc,%rdx
# bl8
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 64 48 8b 02[ ]+mov %fs:\(%rdx\),%rax
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# IE -> LE against hidden but not local var
[0-9a-f]+: 64 48 8b 14 25 00 00[ ]+mov %fs:0x0,%rdx
[0-9a-f]+: 00 00 *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 48 8d 92 b4 ff ff ff[ ]+lea 0xf+b4\(%rdx\),%rdx
# sh6
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# direct %fs access IE -> LE against hidden but not local var
[0-9a-f]+: 48 c7 c2 bc ff ff ff[ ]+mov \$0xf+bc,%rdx
# sh8
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 64 48 8b 02[ ]+mov %fs:\(%rdx\),%rax
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# LE, global var defined in exec
[0-9a-f]+: 64 48 8b 04 25 00 00[ ]+mov %fs:0x0,%rax
[0-9a-f]+: 00 00 *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 48 8d 90 64 ff ff ff[ ]+lea 0xf+64\(%rax\),%rdx
# sg2
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# LE, local var, non-canonical sequence
[0-9a-f]+: 49 c7 c1 e6 ff ff ff[ ]+mov \$0xf+e6,%r9
# bl2+2
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 64 48 8b 14 25 00 00[ ]+mov %fs:0x0,%rdx
[0-9a-f]+: 00 00 *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 4c 01 ca[ ]+add %r9,%rdx
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# LE, hidden var defined in exec, non-canonical sequence
[0-9a-f]+: 64 48 8b 14 25 00 00[ ]+mov %fs:0x0,%rdx
[0-9a-f]+: 00 00 *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 48 81 c2 a5 ff ff ff[ ]+add \$0xf+a5,%rdx
# sh2+1
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# Direct %fs access
# LE, global var defined in exec
[0-9a-f]+: 64 48 8b 04 25 68 ff[ ]+mov %fs:0xf+68,%rax
[0-9a-f]+: ff ff *
# sg3
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# LE, local var
[0-9a-f]+: 64 4c 8b 14 25 eb ff[ ]+mov %fs:0xf+eb,%r10
[0-9a-f]+: ff ff *
# bl3+3
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
# LE, hidden var defined in exec
[0-9a-f]+: 64 48 8b 14 25 a9 ff[ ]+mov %fs:0xf+a9,%rdx
[0-9a-f]+: ff ff *
# sh3+1
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: 90[ ]+nop *
[0-9a-f]+: c9[ ]+leaveq *
[0-9a-f]+: c3[ ]+retq *

141
ld/testsuite/ld-x86-64/tlsbindesc.rd Normal file
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#source: tlsbindesc.s
#source: tlsbin.s
#as: --64
#ld: -shared -melf_x86_64
#readelf: -WSsrl
#target: x86_64-*-*
There are 15 section headers, starting at offset 0x[0-9a-f]+:
Section Headers:
\[Nr\] Name +Type +Address +Off +Size +ES Flg Lk Inf Al
\[ 0\] +NULL +0+ 0+ 0+ 00 +0 +0 +0
\[ 1\] .interp +.*
\[ 2\] .hash +.*
\[ 3\] .dynsym +.*
\[ 4\] .dynstr +.*
\[ 5\] .rela.dyn +.*
\[ 6\] .text +PROGBITS +0+401000 0+1000 0+1f6 00 +AX +0 +0 +4096
\[ 7\] .tdata +PROGBITS +0+5011f6 0+11f6 0+60 00 WAT +0 +0 +1
\[ 8\] .tbss +NOBITS +0+501256 0+1256 0+40 00 WAT +0 +0 +1
\[ 9\] .dynamic +DYNAMIC +0+501258 0+1258 0+100 10 +WA +4 +0 +8
\[10\] .got +PROGBITS +0+501358 0+1358 0+20 08 +WA +0 +0 +8
\[11\] .got.plt +PROGBITS +0+501378 0+1378 0+18 08 +WA +0 +0 +8
\[12\] .shstrtab +.*
\[13\] .symtab +.*
\[14\] .strtab +.*
Key to Flags:
.*
.*
.*
Elf file type is EXEC \(Executable file\)
Entry point 0x401108
There are 6 program headers, starting at offset [0-9]+
Program Headers:
Type +Offset +VirtAddr +PhysAddr +FileSiz +MemSiz +Flg Align
PHDR.*
INTERP.*
.*Requesting program interpreter.*
LOAD +0x0+ 0x0+400000 0x0+400000 0x0+11f6 0x0+11f6 R E 0x100000
LOAD +0x0+11f6 0x0+5011f6 0x0+5011f6 0x0+19a 0x0+19a RW 0x100000
DYNAMIC +0x0+1258 0x0+501258 0x0+501258 0x0+100 0x0+100 RW 0x8
TLS +0x0+11f6 0x0+5011f6 0x0+5011f6 0x0+60 0x0+a0 R +0x1
Section to Segment mapping:
Segment Sections...
00 *
01 +.interp *
02 +.interp .hash .dynsym .dynstr .rela.dyn .text *
03 +.tdata .dynamic .got .got.plt *
04 +.dynamic *
05 +.tdata .tbss *
Relocation section '.rela.dyn' at offset 0x[0-9a-f]+ contains 4 entries:
+Offset +Info +Type +Symbol's Value Symbol's Name \+ Addend
0+501358 0+100000012 R_X86_64_TPOFF64 +0+ sG5 \+ 0
0+501360 0+200000012 R_X86_64_TPOFF64 +0+ sG2 \+ 0
0+501368 0+400000012 R_X86_64_TPOFF64 +0+ sG6 \+ 0
0+501370 0+500000012 R_X86_64_TPOFF64 +0+ sG1 \+ 0
Symbol table '.dynsym' contains 8 entries:
+Num: +Value +Size Type +Bind +Vis +Ndx Name
+[0-9]+: 0+ +0 NOTYPE LOCAL DEFAULT UND *
+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT UND sG5
+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT UND sG2
+[0-9]+: 0+[0-9a-f]+ +0 NOTYPE GLOBAL DEFAULT ABS __bss_start
+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT UND sG6
+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT UND sG1
+[0-9]+: 0+[0-9a-f]+ +0 NOTYPE GLOBAL DEFAULT ABS _edata
+[0-9]+: 0+[0-9a-f]+ +0 NOTYPE GLOBAL DEFAULT ABS _end
Symbol table '.symtab' contains 67 entries:
+Num: +Value +Size Type +Bind +Vis +Ndx Name
+[0-9]+: 0+ +0 NOTYPE LOCAL DEFAULT UND *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +1 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +2 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +3 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +4 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +5 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +6 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +7 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +8 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +9 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +10 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +11 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +12 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +13 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +14 *
+[0-9]+: 0+20 +0 TLS +LOCAL DEFAULT +7 sl1
+[0-9]+: 0+24 +0 TLS +LOCAL DEFAULT +7 sl2
+[0-9]+: 0+28 +0 TLS +LOCAL DEFAULT +7 sl3
+[0-9]+: 0+2c +0 TLS +LOCAL DEFAULT +7 sl4
+[0-9]+: 0+30 +0 TLS +LOCAL DEFAULT +7 sl5
+[0-9]+: 0+34 +0 TLS +LOCAL DEFAULT +7 sl6
+[0-9]+: 0+38 +0 TLS +LOCAL DEFAULT +7 sl7
+[0-9]+: 0+3c +0 TLS +LOCAL DEFAULT +7 sl8
+[0-9]+: 0+80 +0 TLS +LOCAL DEFAULT +8 bl1
+[0-9]+: 0+84 +0 TLS +LOCAL DEFAULT +8 bl2
+[0-9]+: 0+88 +0 TLS +LOCAL DEFAULT +8 bl3
+[0-9]+: 0+8c +0 TLS +LOCAL DEFAULT +8 bl4
+[0-9]+: 0+90 +0 TLS +LOCAL DEFAULT +8 bl5
+[0-9]+: 0+94 +0 TLS +LOCAL DEFAULT +8 bl6
+[0-9]+: 0+98 +0 TLS +LOCAL DEFAULT +8 bl7
+[0-9]+: 0+9c +0 TLS +LOCAL DEFAULT +8 bl8
+[0-9]+: 0+0 +0 TLS +LOCAL HIDDEN +7 _TLS_MODULE_BASE_
+[0-9]+: 0+501258 +0 OBJECT LOCAL HIDDEN 9 _DYNAMIC
+[0-9]+: 0+501378 +0 OBJECT LOCAL HIDDEN 11 _GLOBAL_OFFSET_TABLE_
+[0-9]+: 0+1c +0 TLS +GLOBAL DEFAULT +7 sg8
+[0-9]+: 0+7c +0 TLS +GLOBAL DEFAULT +8 bg8
+[0-9]+: 0+74 +0 TLS +GLOBAL DEFAULT +8 bg6
+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT UND sG5
+[0-9]+: 0+68 +0 TLS +GLOBAL DEFAULT +8 bg3
+[0-9]+: 0+8 +0 TLS +GLOBAL DEFAULT +7 sg3
+[0-9]+: 0+48 +0 TLS +GLOBAL HIDDEN +7 sh3
+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT UND sG2
+[0-9]+: 0+c +0 TLS +GLOBAL DEFAULT +7 sg4
+[0-9]+: 0+10 +0 TLS +GLOBAL DEFAULT +7 sg5
+[0-9]+: 0+70 +0 TLS +GLOBAL DEFAULT +8 bg5
+[0-9]+: 0+58 +0 TLS +GLOBAL HIDDEN +7 sh7
+[0-9]+: 0+5c +0 TLS +GLOBAL HIDDEN +7 sh8
+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT +7 sg1
+[0-9]+: 0+401108 +0 FUNC +GLOBAL DEFAULT +6 _start
+[0-9]+: 0+4c +0 TLS +GLOBAL HIDDEN +7 sh4
+[0-9]+: 0+78 +0 TLS +GLOBAL DEFAULT +8 bg7
+[0-9]+: 0+50 +0 TLS +GLOBAL HIDDEN +7 sh5
+[0-9]+: [0-9a-f]+ +0 NOTYPE GLOBAL DEFAULT ABS __bss_start
+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT UND sG6
+[0-9]+: 0+401000 +0 FUNC +GLOBAL DEFAULT +6 fn2
+[0-9]+: 0+4 +0 TLS +GLOBAL DEFAULT +7 sg2
+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT UND sG1
+[0-9]+: 0+40 +0 TLS +GLOBAL HIDDEN +7 sh1
+[0-9]+: 0+14 +0 TLS +GLOBAL DEFAULT +7 sg6
+[0-9]+: 0+18 +0 TLS +GLOBAL DEFAULT +7 sg7
+[0-9]+: [0-9a-f]+ +0 NOTYPE GLOBAL DEFAULT ABS _edata
+[0-9]+: [0-9a-f]+ +0 NOTYPE GLOBAL DEFAULT ABS _end
+[0-9]+: 0+44 +0 TLS +GLOBAL HIDDEN +7 sh2
+[0-9]+: 0+54 +0 TLS +GLOBAL HIDDEN +7 sh6
+[0-9]+: 0+64 +0 TLS +GLOBAL DEFAULT +8 bg2
+[0-9]+: 0+60 +0 TLS +GLOBAL DEFAULT +8 bg1
+[0-9]+: 0+6c +0 TLS +GLOBAL DEFAULT +8 bg4

128
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/* Force .data aligned to 4K, so that .got very likely gets at
0x5021a0 (0x60 bytes .tdata and 0x140 bytes .dynamic) */
.data
.balign 4096
.section ".tdata", "awT", @progbits
.globl sg1, sg2, sg3, sg4, sg5, sg6, sg7, sg8
.globl sh1, sh2, sh3, sh4, sh5, sh6, sh7, sh8
.hidden sh1, sh2, sh3, sh4, sh5, sh6, sh7, sh8
sg1: .long 17
sg2: .long 18
sg3: .long 19
sg4: .long 20
sg5: .long 21
sg6: .long 22
sg7: .long 23
sg8: .long 24
sl1: .long 65
sl2: .long 66
sl3: .long 67
sl4: .long 68
sl5: .long 69
sl6: .long 70
sl7: .long 71
sl8: .long 72
sh1: .long 257
sh2: .long 258
sh3: .long 259
sh4: .long 260
sh5: .long 261
sh6: .long 262
sh7: .long 263
sh8: .long 264
/* Force .text aligned to 4K, so it very likely gets at 0x401000. */
.text
.balign 4096
.globl fn2
.type fn2,@function
fn2:
pushq %rbp
movq %rsp, %rbp
/* GD -> IE because variable is not defined in executable */
leaq sG1@tlsdesc(%rip), %rax
call *sG1@tlscall(%rax)
nop;nop;nop;nop
/* GD -> IE because variable is not defined in executable where
the variable is referenced through IE too */
leaq sG2@tlsdesc(%rip), %rax
call *sG2@tlscall(%rax)
nop;nop;nop;nop
/* GD -> LE with global variable defined in executable */
leaq sg1@tlsdesc(%rip), %rax
call *sg1@tlscall(%rax)
nop;nop;nop;nop
/* GD -> LE with local variable defined in executable */
leaq sl1@tlsdesc(%rip), %rax
call *sl1@tlscall(%rax)
nop;nop;nop;nop
/* GD -> LE with hidden variable defined in executable */
leaq sh1@tlsdesc(%rip), %rax
call *sh1@tlscall(%rax)
nop;nop;nop;nop
/* LD -> LE */
leaq _TLS_MODULE_BASE_@tlsdesc(%rip), %rax
call *_TLS_MODULE_BASE_@tlscall(%rax)
nop;nop
leaq 1+sl1@dtpoff(%rax), %rdx
nop;nop
leaq sl2@dtpoff+2(%rax), %r9
nop;nop;nop;nop
/* LD -> LE against hidden variables */
leaq sh1@dtpoff(%rax), %rdx
nop;nop
leaq 3+sh2@dtpoff(%rax), %rcx
nop;nop;nop;nop
/* IE against global var */
movq %fs:0, %r9
nop;nop
addq sG2@gottpoff(%rip), %r9
nop;nop;nop;nop
/* IE -> LE against global var defined in exec */
movq %fs:0, %r10
nop;nop
addq sg1@gottpoff(%rip), %r10
nop;nop;nop;nop
/* IE -> LE against local var */
movq %fs:0, %rax
nop;nop
addq sl1@gottpoff(%rip), %rax
nop;nop;nop;nop
/* IE -> LE against hidden var */
movq %fs:0, %rcx
nop;nop
addq sh1@gottpoff(%rip), %rcx
nop;nop;nop;nop
/* Direct access through %fs */
/* IE against global var */
movq sG5@gottpoff(%rip), %rcx
nop;nop
movq %fs:(%rcx), %rdx
nop;nop;nop;nop
/* IE->LE against local var */
movq sl5@gottpoff(%rip), %r11
nop;nop
movq %fs:(%r11), %r12
nop;nop;nop;nop
/* IE->LE against hidden var */
movq sh5@gottpoff(%rip), %rdx
nop;nop
movq %fs:(%rdx), %rdx
nop;nop;nop;nop
leave
ret

12
ld/testsuite/ld-x86-64/tlsbindesc.sd Normal file
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#source: tlsbindesc.s
#source: tlsbin.s
#as: --64
#ld: -shared -melf_x86_64
#objdump: -sj.got
#target: x86_64-*-*
.*: +file format elf64-x86-64
Contents of section .got:
501358 00000000 00000000 00000000 00000000 .*
501368 00000000 00000000 00000000 00000000 .*

16
ld/testsuite/ld-x86-64/tlsbindesc.td Normal file
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#source: tlsbindesc.s
#source: tlsbin.s
#as: --64
#ld: -shared -melf_x86_64
#objdump: -sj.tdata
#target: x86_64-*-*
.*: +file format elf64-x86-64
Contents of section .tdata:
5011f6 11000000 12000000 13000000 14000000 .*
501206 15000000 16000000 17000000 18000000 .*
501216 41000000 42000000 43000000 44000000 .*
501226 45000000 46000000 47000000 48000000 .*
501236 01010000 02010000 03010000 04010000 .*
501246 05010000 06010000 07010000 08010000 .*

204
ld/testsuite/ld-x86-64/tlsdesc.dd Normal file
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#source: tlsdesc.s
#source: tlspic2.s
#as: --64
#ld: -shared -melf_x86_64
#objdump: -drj.text
#target: x86_64-*-*
.*: +file format elf64-x86-64
Disassembly of section .text:
0+[0-9a-f]+ <fn1>:
+[0-9a-f]+: 55[ ]+push %rbp
+[0-9a-f]+: 48 89 e5[ ]+mov %rsp,%rbp
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
# GD
+[0-9a-f]+: 48 8d 05 89 03 10 00[ ]+lea 1049481\(%rip\),%rax +# 101398 <.*>
# -> R_X86_64_TLSDESC sg1
+[0-9a-f]+: ff 10[ ]+callq \*\(%rax\)
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
# GD -> IE because variable is referenced through IE too
+[0-9a-f]+: 48 8b 05 1c 03 10 00[ ]+mov 1049372\(%rip\),%rax +# 101338 <.*>
# -> R_X86_64_TPOFF64 sg2
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
# GD against local variable
+[0-9a-f]+: 48 8d 05 3f 03 10 00[ ]+lea 1049407\(%rip\),%rax +# 101368 <.*>
# -> R_X86_64_TLSDESC [0 0x2000000000000000]
+[0-9a-f]+: ff 10[ ]+callq \*\(%rax\)
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
# GD -> IE against local variable referenced through IE too
+[0-9a-f]+: 48 8b 05 d2 02 10 00[ ]+mov 1049298\(%rip\),%rax +# 101308 <.*>
# -> R_X86_64_TPOFF64 *ABS*+0x24
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
# GD against hidden and local variable
+[0-9a-f]+: 48 8d 05 65 03 10 00[ ]+lea 1049445\(%rip\),%rax +# 1013a8 <.*>
# -> R_X86_64_TLSDESC [0 0x4000000000000000]
+[0-9a-f]+: ff 10[ ]+callq \*\(%rax\)
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
# GD -> IE against hidden and local variable referenced through IE too
+[0-9a-f]+: 48 8b 05 f0 02 10 00[ ]+mov 1049328\(%rip\),%rax +# 101340 <.*>
# -> R_X86_64_TPOFF64 *ABS*+0x44
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
# GD against hidden but not local variable
+[0-9a-f]+: 48 8d 05 1b 03 10 00[ ]+lea 1049371\(%rip\),%rax +# 101378 <.*>
# -> R_X86_64_TLSDESC [0 0x6000000000000000]
+[0-9a-f]+: ff 10[ ]+callq \*\(%rax\)
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
# GD -> IE against hidden but not local variable referenced through IE too
+[0-9a-f]+: 48 8b 05 ae 02 10 00[ ]+mov 1049262\(%rip\),%rax +# 101318 <.*>
# -> R_X86_64_TPOFF64 *ABS*+0x64
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
# LD
+[0-9a-f]+: 48 8d 05 11 03 10 00[ ]+lea 1049361\(%rip\),%rax +# 101388 <.*>
# -> R_X86_64_TLSDESC [0 0x000000000000000]
+[0-9a-f]+: ff 10[ ]+callq \*\(%rax\)
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 48 8d 90 20 00 00 00[ ]+lea 0x20\(%rax\),%rdx
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 4c 8d 88 26 00 00 00[ ]+lea 0x26\(%rax\),%r9
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
# LD against hidden and local variables
+[0-9a-f]+: 48 8d 90 40 00 00 00[ ]+lea 0x40\(%rax\),%rdx
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 48 8d 88 47 00 00 00[ ]+lea 0x47\(%rax\),%rcx
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
# LD against hidden but not local variables
+[0-9a-f]+: 4c 8d a0 60 00 00 00[ ]+lea 0x60\(%rax\),%r12
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 48 8d 88 65 00 00 00[ ]+lea 0x65\(%rax\),%rcx
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
# IE against global var
+[0-9a-f]+: 64 48 8b 0c 25 00 00[ ]+mov %fs:0x0,%rcx
+[0-9a-f]+: 00 00 *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 48 03 0d 71 02 10 00[ ]+add 1049201\(%rip\),%rcx +# 101338 <.*>
# -> R_X86_64_TPOFF64 sg2
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
# IE against local var
+[0-9a-f]+: 64 4c 8b 34 25 00 00[ ]+mov %fs:0x0,%r14
+[0-9a-f]+: 00 00 *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 4c 03 35 2b 02 10 00[ ]+add 1049131\(%rip\),%r14 +# 101308 <.*>
# -> R_X86_64_TPOFF64 *ABS*+0x24
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
# IE against hidden and local var
+[0-9a-f]+: 64 48 8b 0c 25 00 00[ ]+mov %fs:0x0,%rcx
+[0-9a-f]+: 00 00 *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 48 03 0d 4d 02 10 00[ ]+add 1049165\(%rip\),%rcx +# 101340 <.*>
# -> R_X86_64_TPOFF64 *ABS*+0x44
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
# IE against hidden but not local var
+[0-9a-f]+: 64 48 8b 0c 25 00 00[ ]+mov %fs:0x0,%rcx
+[0-9a-f]+: 00 00 *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 48 03 0d 0f 02 10 00[ ]+add 1049103\(%rip\),%rcx +# 101318 <.*>
# -> R_X86_64_TPOFF64 *ABS*+0x64
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
# Direct access through %fs
# IE against global var
+[0-9a-f]+: 48 8b 0d 0c 02 10 00[ ]+mov 1049100\(%rip\),%rcx +# 101320 <.*>
# -> R_X86_64_TPOFF64 sg5
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 64 48 8b 11[ ]+mov %fs:\(%rcx\),%rdx
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
# IE against local var
+[0-9a-f]+: 4c 8b 15 eb 01 10 00[ ]+mov 1049067\(%rip\),%r10 +# 101310 <.*>
# -> R_X86_64_TPOFF64 *ABS*+0x30
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 64 4d 8b 22[ ]+mov %fs:\(%r10\),%r12
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
# IE against hidden and local var
+[0-9a-f]+: 48 8b 15 f2 01 10 00[ ]+mov 1049074\(%rip\),%rdx +# 101328 <.*>
# -> R_X86_64_TPOFF64 *ABS*+0x50
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 64 48 8b 12[ ]+mov %fs:\(%rdx\),%rdx
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
# IE against hidden but not local var
+[0-9a-f]+: 48 8b 0d e9 01 10 00[ ]+mov 1049065\(%rip\),%rcx +# 101330 <.*>
# -> R_X86_64_TPOFF64 *ABS*+0x70
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 64 48 8b 11[ ]+mov %fs:\(%rcx\),%rdx
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: c9[ ]+leaveq *
+[0-9a-f]+: c3[ ]+retq *
+[0-9a-f]+: 90[ ]+nop *

26
ld/testsuite/ld-x86-64/tlsdesc.pd Normal file
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#source: tlsdesc.s
#source: tlspic2.s
#as: --64
#ld: -shared -melf_x86_64
#objdump: -drj.plt
#target: x86_64-*-*
.*: +file format elf64-x86-64
Disassembly of section .plt:
0000000000000470 <.*@plt-0x10>:
470: ff 35 e2 0e 10 00 pushq 1052386\(%rip\) # 101358 <_GLOBAL_OFFSET_TABLE_\+0x8>
476: ff 25 e4 0e 10 00 jmpq \*1052388\(%rip\) # 101360 <_GLOBAL_OFFSET_TABLE_\+0x10>
47c: 90 nop *
47d: 90 nop *
47e: 90 nop *
47f: 90 nop *
0000000000000480 <.*@plt>:
480: ff 35 d2 0e 10 00 pushq 1052370\(%rip\) # 101358 <_GLOBAL_OFFSET_TABLE_\+0x8>
486: ff 25 bc 0e 10 00 jmpq \*1052348\(%rip\) # 101348 <_DYNAMIC\+0x190>
48c: 90 nop *
48d: 90 nop *
48e: 90 nop *
48f: 90 nop *

164
ld/testsuite/ld-x86-64/tlsdesc.rd Normal file
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#source: tlsdesc.s
#source: tlspic2.s
#as: --64
#ld: -shared -melf_x86_64
#readelf: -WSsrld
#target: x86_64-*-*
There are 16 section headers, starting at offset 0x[0-9a-f]+:
Section Headers:
\[Nr\] Name +Type +Address +Off +Size +ES Flg Lk Inf Al
\[ 0\] +NULL +0+ 0+ 0+ 00 +0 +0 +0
\[ 1\] .hash +.*
\[ 2\] .dynsym +.*
\[ 3\] .dynstr +.*
\[ 4\] .rela.dyn +.*
\[ 5\] .rela.plt +.*
\[ 6\] .plt +PROGBITS +0+470 0+470 0+20 10 +AX +0 +0 +4
\[ 7\] .text +PROGBITS +0+1000 0+1000 0+154 00 +AX +0 +0 4096
\[ 8\] .tdata +PROGBITS +0+101154 0+1154 0+60 00 WAT +0 +0 +1
\[ 9\] .tbss +NOBITS +0+1011b4 0+11b4 0+20 00 WAT +0 +0 +1
\[10\] .dynamic +DYNAMIC +0+1011b8 0+11b8 0+150 10 +WA +3 +0 +8
\[11\] .got +PROGBITS +0+101308 0+1308 0+48 08 +WA +0 +0 +8
\[12\] .got.plt +PROGBITS +0+101350 0+1350 0+68 08 +WA +0 +0 +8
\[13\] .shstrtab +.*
\[14\] .symtab +.*
\[15\] .strtab +.*
Key to Flags:
.*
.*
.*
Elf file type is DYN \(Shared object file\)
Entry point 0x1000
There are 4 program headers, starting at offset [0-9]+
Program Headers:
Type +Offset +VirtAddr +PhysAddr +FileSiz +MemSiz +Flg Align
LOAD +0x0+ 0x0+ 0x0+ 0x[0-9a-f]+ 0x[0-9a-f]+ R E 0x100000
LOAD +0x0+1154 0x0+101154 0x0+101154 0x0+264 0x0+264 RW +0x100000
DYNAMIC +0x0+11b8 0x0+1011b8 0x0+1011b8 0x0+150 0x0+150 RW +0x8
TLS +0x0+1154 0x0+101154 0x0+101154 0x0+60 0x0+80 R +0x1
Section to Segment mapping:
Segment Sections...
00 +.hash .dynsym .dynstr .rela.dyn .rela.plt .plt .text *
01 +.tdata .dynamic .got .got.plt *
02 +.dynamic *
03 +.tdata .tbss *
Dynamic section at offset 0x[0-9a-f]+ contains 16 entries:
+Tag +Type +Name/Value
0x[0-9a-f]+ +\(HASH\).*
0x[0-9a-f]+ +\(STRTAB\).*
0x[0-9a-f]+ +\(SYMTAB\).*
0x[0-9a-f]+ +\(STRSZ\).*
0x[0-9a-f]+ +\(SYMENT\).*
0x[0-9a-f]+ +\(PLTGOT\).*
0x[0-9a-f]+ +\(PLTRELSZ\).*
0x[0-9a-f]+ +\(PLTREL\).*
0x[0-9a-f]+ +\(JMPREL\).*
0x[0-9a-f]+ +\(TLSDESC_PLT\) +0x480
0x[0-9a-f]+ +\(TLSDESC_GOT\) +0x101348
0x[0-9a-f]+ +\(RELA\).*
0x[0-9a-f]+ +\(RELASZ\).*
0x[0-9a-f]+ +\(RELAENT\).*
0x[0-9a-f]+ +\(FLAGS\).*
0x[0-9a-f]+ +\(NULL\).*
Relocation section '.rela.dyn' at offset 0x[0-9a-f]+ contains 8 entries:
+Offset +Info +Type +Symbol's Value +Symbol's Name \+ Addend
0+101308 0+12 R_X86_64_TPOFF64 +0+24
0+101310 0+12 R_X86_64_TPOFF64 +0+30
0+101318 0+12 R_X86_64_TPOFF64 +0+64
0+101328 0+12 R_X86_64_TPOFF64 +0+50
0+101330 0+12 R_X86_64_TPOFF64 +0+70
0+101340 0+12 R_X86_64_TPOFF64 +0+44
0+101320 0+700000012 R_X86_64_TPOFF64 +0+10 sg5 \+ 0
0+101338 0+b00000012 R_X86_64_TPOFF64 +0+4 sg2 \+ 0
Relocation section '.rela.plt' at offset 0x[0-9a-f]+ contains 5 entries:
+Offset +Info +Type +Symbol's Value Symbol's Name \+ Addend
0+101398 0+800000024 R_X86_64_TLSDESC +0+ sg1 \+ 0
0+101368 0+24 R_X86_64_TLSDESC +0+20
0+1013a8 0+24 R_X86_64_TLSDESC +0+40
0+101378 0+24 R_X86_64_TLSDESC +0+60
0+101388 0+24 R_X86_64_TLSDESC +0+
Symbol table '.dynsym' contains 16 entries:
+Num: +Value +Size Type +Bind +Vis +Ndx Name
+[0-9]+: 0+ +0 NOTYPE LOCAL DEFAULT UND *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +7 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +8 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +9 *
+[0-9]+: 0+1c +0 TLS +GLOBAL DEFAULT +8 sg8
+[0-9]+: 0+8 +0 TLS +GLOBAL DEFAULT +8 sg3
+[0-9]+: 0+c +0 TLS +GLOBAL DEFAULT +8 sg4
+[0-9]+: 0+10 +0 TLS +GLOBAL DEFAULT +8 sg5
+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT +8 sg1
+[0-9]+: 0+1000 +0 FUNC +GLOBAL DEFAULT +7 fn1
+[0-9]+: [0-9a-f]+ +0 NOTYPE GLOBAL DEFAULT ABS __bss_start
+[0-9]+: 0+4 +0 TLS +GLOBAL DEFAULT +8 sg2
+[0-9]+: 0+14 +0 TLS +GLOBAL DEFAULT +8 sg6
+[0-9]+: 0+18 +0 TLS +GLOBAL DEFAULT +8 sg7
+[0-9]+: [0-9a-f]+ +0 NOTYPE GLOBAL DEFAULT ABS _edata
+[0-9]+: [0-9a-f]+ +0 NOTYPE GLOBAL DEFAULT ABS _end
Symbol table '.symtab' contains 55 entries:
+Num: +Value +Size Type +Bind +Vis +Ndx Name
+[0-9]+: 0+ +0 NOTYPE LOCAL DEFAULT UND *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +1 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +2 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +3 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +4 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +5 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +6 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +7 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +8 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +9 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +10 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +11 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +12 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +13 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +14 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +15 *
+[0-9]+: 0+20 +0 TLS +LOCAL DEFAULT +8 sl1
+[0-9]+: 0+24 +0 TLS +LOCAL DEFAULT +8 sl2
+[0-9]+: 0+28 +0 TLS +LOCAL DEFAULT +8 sl3
+[0-9]+: 0+2c +0 TLS +LOCAL DEFAULT +8 sl4
+[0-9]+: 0+30 +0 TLS +LOCAL DEFAULT +8 sl5
+[0-9]+: 0+34 +0 TLS +LOCAL DEFAULT +8 sl6
+[0-9]+: 0+38 +0 TLS +LOCAL DEFAULT +8 sl7
+[0-9]+: 0+3c +0 TLS +LOCAL DEFAULT +8 sl8
+[0-9]+: 0+60 +0 TLS +LOCAL HIDDEN +9 sH1
+[0-9]+: 0+ +0 TLS +LOCAL HIDDEN +8 _TLS_MODULE_BASE_
+[0-9]+: 0+1011b8 +0 OBJECT LOCAL HIDDEN ABS _DYNAMIC
+[0-9]+: 0+48 +0 TLS +LOCAL HIDDEN +8 sh3
+[0-9]+: 0+64 +0 TLS +LOCAL HIDDEN +9 sH2
+[0-9]+: 0+78 +0 TLS +LOCAL HIDDEN +9 sH7
+[0-9]+: 0+58 +0 TLS +LOCAL HIDDEN +8 sh7
+[0-9]+: 0+5c +0 TLS +LOCAL HIDDEN +8 sh8
+[0-9]+: 0+6c +0 TLS +LOCAL HIDDEN +9 sH4
+[0-9]+: 0+4c +0 TLS +LOCAL HIDDEN +8 sh4
+[0-9]+: 0+68 +0 TLS +LOCAL HIDDEN +9 sH3
+[0-9]+: 0+50 +0 TLS +LOCAL HIDDEN +8 sh5
+[0-9]+: 0+70 +0 TLS +LOCAL HIDDEN +9 sH5
+[0-9]+: 0+74 +0 TLS +LOCAL HIDDEN +9 sH6
+[0-9]+: 0+7c +0 TLS +LOCAL HIDDEN +9 sH8
+[0-9]+: 0+40 +0 TLS +LOCAL HIDDEN +8 sh1
+[0-9]+: 0+101350 +0 OBJECT LOCAL HIDDEN ABS _GLOBAL_OFFSET_TABLE_
+[0-9]+: 0+44 +0 TLS +LOCAL HIDDEN +8 sh2
+[0-9]+: 0+54 +0 TLS +LOCAL HIDDEN +8 sh6
+[0-9]+: 0+1c +0 TLS +GLOBAL DEFAULT +8 sg8
+[0-9]+: 0+8 +0 TLS +GLOBAL DEFAULT +8 sg3
+[0-9]+: 0+c +0 TLS +GLOBAL DEFAULT +8 sg4
+[0-9]+: 0+10 +0 TLS +GLOBAL DEFAULT +8 sg5
+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT +8 sg1
+[0-9]+: 0+1000 +0 FUNC +GLOBAL DEFAULT +7 fn1
+[0-9]+: [0-9a-f]+ +0 NOTYPE GLOBAL DEFAULT ABS __bss_start
+[0-9]+: 0+4 +0 TLS +GLOBAL DEFAULT +8 sg2
+[0-9]+: 0+14 +0 TLS +GLOBAL DEFAULT +8 sg6
+[0-9]+: 0+18 +0 TLS +GLOBAL DEFAULT +8 sg7
+[0-9]+: [0-9a-f]+ +0 NOTYPE GLOBAL DEFAULT ABS _edata
+[0-9]+: [0-9a-f]+ +0 NOTYPE GLOBAL DEFAULT ABS _end

157
ld/testsuite/ld-x86-64/tlsdesc.s Normal file
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/* Force .data aligned to 4K, so .got very likely gets at 0x102190
(0x60 bytes .tdata and 0x130 bytes .dynamic) */
.data
.balign 4096
.section ".tdata", "awT", @progbits
.globl sg1, sg2, sg3, sg4, sg5, sg6, sg7, sg8
.globl sh1, sh2, sh3, sh4, sh5, sh6, sh7, sh8
.hidden sh1, sh2, sh3, sh4, sh5, sh6, sh7, sh8
sg1: .long 17
sg2: .long 18
sg3: .long 19
sg4: .long 20
sg5: .long 21
sg6: .long 22
sg7: .long 23
sg8: .long 24
sl1: .long 65
sl2: .long 66
sl3: .long 67
sl4: .long 68
sl5: .long 69
sl6: .long 70
sl7: .long 71
sl8: .long 72
sh1: .long 257
sh2: .long 258
sh3: .long 259
sh4: .long 260
sh5: .long 261
sh6: .long 262
sh7: .long 263
sh8: .long 264
/* Force .text aligned to 4K, so it very likely gets at 0x1000. */
.text
.balign 4096
.globl fn1
.type fn1,@function
fn1:
pushq %rbp
movq %rsp, %rbp
nop;nop;nop;nop
/* GD */
leaq sg1@tlsdesc(%rip), %rax
call *sg1@tlscall(%rax)
nop;nop;nop;nop
/* GD -> IE because variable is referenced through IE too */
leaq sg2@tlsdesc(%rip), %rax
call *sg2@tlscall(%rax)
nop;nop;nop;nop
/* GD against local variable */
leaq sl1@tlsdesc(%rip), %rax
call *sl1@tlscall(%rax)
nop;nop;nop;nop
/* GD -> IE against local variable referenced through IE too */
leaq sl2@tlsdesc(%rip), %rax
call *sl2@tlscall(%rax)
nop;nop;nop;nop
/* GD against hidden and local variable */
leaq sh1@tlsdesc(%rip), %rax
call *sh1@tlscall(%rax)
nop;nop;nop;nop
/* GD -> IE against hidden and local variable referenced through
IE too */
leaq sh2@tlsdesc(%rip), %rax
call *sh2@tlscall(%rax)
nop;nop;nop;nop
/* GD against hidden but not local variable */
leaq sH1@tlsdesc(%rip), %rax
call *sH1@tlscall(%rax)
nop;nop;nop;nop
/* GD -> IE against hidden but not local variable referenced through
IE too */
leaq sH2@tlsdesc(%rip), %rax
call *sH2@tlscall(%rax)
nop;nop;nop;nop
/* LD */
leaq _TLS_MODULE_BASE_@tlsdesc(%rip), %rax
call *_TLS_MODULE_BASE_@tlscall(%rax)
nop;nop
leaq sl1@dtpoff(%rax), %rdx
nop;nop
leaq 2+sl2@dtpoff(%rax), %r9
nop;nop;nop;nop
/* LD against hidden and local variables */
leaq sh1@dtpoff(%rax), %rdx
nop;nop
leaq sh2@dtpoff+3(%rax), %rcx
nop;nop;nop;nop
/* LD against hidden but not local variables */
leaq sH1@dtpoff(%rax), %r12
nop;nop
leaq sH2@dtpoff+1(%rax), %rcx
nop;nop
/* IE against global var */
movq %fs:0, %rcx
nop;nop
addq sg2@gottpoff(%rip), %rcx
nop;nop;nop;nop
/* IE against local var */
movq %fs:0, %r14
nop;nop
addq sl2@gottpoff(%rip), %r14
nop;nop;nop;nop
/* IE against hidden and local var */
movq %fs:0, %rcx
nop;nop
addq sh2@gottpoff(%rip), %rcx
nop;nop;nop;nop
/* IE against hidden but not local var */
movq %fs:0, %rcx
nop;nop
addq sH2@gottpoff(%rip), %rcx
nop;nop;nop;nop
/* Direct access through %fs */
/* IE against global var */
movq sg5@gottpoff(%rip), %rcx
nop;nop
movq %fs:(%rcx), %rdx
nop;nop;nop;nop
/* IE against local var */
movq sl5@gottpoff(%rip), %r10
nop;nop
movq %fs:(%r10), %r12
nop;nop;nop;nop
/* IE against hidden and local var */
movq sh5@gottpoff(%rip), %rdx
nop;nop
movq %fs:(%rdx), %rdx
nop;nop;nop;nop
/* IE against hidden but not local var */
movq sH5@gottpoff(%rip), %rcx
nop;nop
movq %fs:(%rcx), %rdx
nop;nop;nop;nop
leave
ret

23
ld/testsuite/ld-x86-64/tlsdesc.sd Normal file
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#source: tlsdesc.s
#source: tlspic2.s
#as: --64
#ld: -shared -melf_x86_64
#objdump: -s -j.got -j.got.plt
#target: x86_64-*-*
.*: +file format elf64-x86-64
Contents of section \.got:
101308 00000000 00000000 00000000 00000000 .*
101318 00000000 00000000 00000000 00000000 .*
101328 00000000 00000000 00000000 00000000 .*
101338 00000000 00000000 00000000 00000000 .*
101348 00000000 00000000 .*
Contents of section \.got\.plt:
101350 b8111000 00000000 00000000 00000000 .*
101360 00000000 00000000 00000000 00000000 .*
101370 00000000 00000000 00000000 00000000 .*
101380 00000000 00000000 00000000 00000000 .*
101390 00000000 00000000 00000000 00000000 .*
1013a0 00000000 00000000 00000000 00000000 .*
1013b0 00000000 00000000 .*

16
ld/testsuite/ld-x86-64/tlsdesc.td Normal file
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#source: tlsdesc.s
#source: tlspic2.s
#as: --64
#ld: -shared -melf_x86_64
#objdump: -sj.tdata
#target: x86_64-*-*
.*: +file format elf64-x86-64
Contents of section .tdata:
101154 11000000 12000000 13000000 14000000 .*
101164 15000000 16000000 17000000 18000000 .*
101174 41000000 42000000 43000000 44000000 .*
101184 45000000 46000000 47000000 48000000 .*
101194 01010000 02010000 03010000 04010000 .*
1011a4 05010000 06010000 07010000 08010000 .*

167
ld/testsuite/ld-x86-64/tlsgdesc.dd Normal file
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#source: tlsgdesc.s
#as: --64
#ld: -shared -melf_x86_64
#objdump: -drj.text
#target: x86_64-*-*
.*: +file format elf64-x86-64
Disassembly of section .text:
0+[0-9a-f]+ <fc1>:
+[0-9a-f]+: 55[ ]+push %rbp
+[0-9a-f]+: 48 89 e5[ ]+mov %rsp,%rbp
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
# IE
+[0-9a-f]+: 64 48 8b 0c 25 00 00[ ]+mov %fs:0x0,%rcx
+[0-9a-f]+: 00 00 *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 48 03 0d 5e 02 10 00[ ]+add 1049182\(%rip\),%rcx +# 100660 <.*>
# -> R_X86_64_TPOFF64 sG3
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
# IE
+[0-9a-f]+: 64 48 8b 0c 25 00 00[ ]+mov %fs:0x0,%rcx
+[0-9a-f]+: 00 00 *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 48 03 0d 68 02 10 00[ ]+add 1049192\(%rip\),%rcx +# 100680 <.*>
# -> R_X86_64_TPOFF64 sG4
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
# GD, gd first
+[0-9a-f]+: 66 48 8d 3d 6c 02 10[ ]+lea 1049196\(%rip\),%rdi +# 100690 <.*>
+[0-9a-f]+: 00 *
# -> R_X86_64_DTPMOD64 sG1
+[0-9a-f]+: 66 66 48 e8 9c ff ff[ ]+callq [0-9a-f]+ <.*>
+[0-9a-f]+: ff[ ]+
# -> R_X86_64_JUMP_SLOT __tls_get_addr
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 48 8d 05 a1 02 10 00[ ]+lea 1049249\(%rip\),%rax +# 1006d8 <.*>
# -> R_X86_64_TLSDESC sG1
+[0-9a-f]+: ff 10[ ]+callq \*\(%rax\)
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
# GD, desc first
+[0-9a-f]+: 48 8d 05 84 02 10 00[ ]+lea 1049220\(%rip\),%rax +# 1006c8 <.*>
# -> R_X86_64_TLSDESC sG2
+[0-9a-f]+: ff 10[ ]+callq \*\(%rax\)
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 66 48 8d 3d 1e 02 10[ ]+lea 1049118\(%rip\),%rdi +# 100670 <.*>
+[0-9a-f]+: 00 *
# -> R_X86_64_DTPMOD64 sG2
+[0-9a-f]+: 66 66 48 e8 6e ff ff[ ]+callq [0-9a-f]+ <.*>
+[0-9a-f]+: ff[ ]+
# -> R_X86_64_JUMP_SLOT __tls_get_addr
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
# GD -> IE, gd first, after IE use
+[0-9a-f]+: 64 48 8b 04 25 00 00[ ]+mov %fs:0x0,%rax
+[0-9a-f]+: 00 00 *
+[0-9a-f]+: 48 03 05 f2 01 10 00[ ]+add 1049074\(%rip\),%rax +# 100660 <.*>
# -> R_X86_64_TPOFF64 sG3
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 48 8b 05 e7 01 10 00[ ]+mov 1049063\(%rip\),%rax +# 100660 <.*>
# -> R_X86_64_TPOFF64 sG3
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
# GD -> IE, desc first, after IE use
+[0-9a-f]+: 48 8b 05 fa 01 10 00[ ]+mov 1049082\(%rip\),%rax +# 100680 <.*>
# -> R_X86_64_TPOFF64 sG4
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 64 48 8b 04 25 00 00[ ]+mov %fs:0x0,%rax
+[0-9a-f]+: 00 00 *
+[0-9a-f]+: 48 03 05 e4 01 10 00[ ]+add 1049060\(%rip\),%rax +# 100680 <.*>
# -> R_X86_64_TPOFF64 sG4
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
# GD -> IE, gd first, before IE use
+[0-9a-f]+: 64 48 8b 04 25 00 00[ ]+mov %fs:0x0,%rax
+[0-9a-f]+: 00 00 *
+[0-9a-f]+: 48 03 05 b8 01 10 00[ ]+add 1049016\(%rip\),%rax +# 100668 <.*>
# -> R_X86_64_TPOFF64 sG5
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 48 8b 05 ad 01 10 00[ ]+mov 1049005\(%rip\),%rax +# 100668 <.*>
# -> R_X86_64_TPOFF64 sG5
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
# GD -> IE, desc first, before IE use
+[0-9a-f]+: 48 8b 05 c0 01 10 00[ ]+mov 1049024\(%rip\),%rax +# 100688 <.*>
# -> R_X86_64_TPOFF64 sG6
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 64 48 8b 04 25 00 00[ ]+mov %fs:0x0,%rax
+[0-9a-f]+: 00 00 *
+[0-9a-f]+: 48 03 05 aa 01 10 00[ ]+add 1049002\(%rip\),%rax +# 100688 <.*>
# -> R_X86_64_TPOFF64 sG6
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
# IE
+[0-9a-f]+: 64 48 8b 0c 25 00 00[ ]+mov %fs:0x0,%rcx
+[0-9a-f]+: 00 00 *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 48 03 0d 74 01 10 00[ ]+add 1048948\(%rip\),%rcx +# 100668 <.*>
# -> R_X86_64_TPOFF64 sG5
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
# IE
+[0-9a-f]+: 64 48 8b 0c 25 00 00[ ]+mov %fs:0x0,%rcx
+[0-9a-f]+: 00 00 *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 48 03 0d 7e 01 10 00[ ]+add 1048958\(%rip\),%rcx +# 100688 <.*>
# -> R_X86_64_TPOFF64 sG6
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: 90[ ]+nop *
+[0-9a-f]+: c9[ ]+leaveq *
+[0-9a-f]+: c3[ ]+retq *

107
ld/testsuite/ld-x86-64/tlsgdesc.rd Normal file
View File

@ -0,0 +1,107 @@
#source: tlsgdesc.s
#as: --64
#ld: -shared -melf64_x86_64
#readelf: -WSsrl
#target: x86_64-*-*
There are [0-9]+ section headers, starting at offset 0x.*:
Section Headers:
\[Nr\] Name +Type +Address +Off +Size +ES Flg Lk Inf Al
\[ 0\] +NULL +0+ 0+ 0+ 0+ +0 +0 +0
\[ 1\] \.hash +.*
\[ 2\] \.dynsym +.*
\[ 3\] \.dynstr +.*
\[ 4\] \.rela.dyn +.*
\[ 5\] \.rela.plt +.*
\[ 6\] \.plt +.*
\[ 7\] \.text +.*
\[ 8\] \.dynamic +.*
\[ 9\] \.got +.*
\[10\] \.got.plt +.*
\[11\] \.shstrtab +.*
\[12\] \.symtab +.*
\[13\] \.strtab +.*
Key to Flags:
.*
.*
.*
Elf file type is DYN \(Shared object file\)
Entry point 0x[0-9a-f]+
There are [0-9]+ program headers, starting at offset [0-9]+
Program Headers:
Type +Offset +VirtAddr +PhysAddr +FileSiz +MemSiz +Flg Align
LOAD.*
LOAD.*
DYNAMIC.*
Section to Segment mapping:
Segment Sections...
00 +.hash .dynsym .dynstr .rela.dyn .rela.plt .plt .text *
01 +.dynamic .got .got.plt *
02 +.dynamic *
Relocation section '.rela.dyn' at offset 0x[0-9a-f]+ contains 8 entries:
+Offset +Info +Type +Symbol's Value Symbol's Name \+ Addend
[0-9a-f]+ 0+200000012 R_X86_64_TPOFF64 +0+ sG3 \+ 0
[0-9a-f]+ 0+300000012 R_X86_64_TPOFF64 +0+ sG5 \+ 0
[0-9a-f]+ 0+400000010 R_X86_64_DTPMOD64 +0+ sG2 \+ 0
[0-9a-f]+ 0+400000011 R_X86_64_DTPOFF64 +0+ sG2 \+ 0
[0-9a-f]+ 0+500000012 R_X86_64_TPOFF64 +0+ sG4 \+ 0
[0-9a-f]+ 0+800000012 R_X86_64_TPOFF64 +0+ sG6 \+ 0
[0-9a-f]+ 0+a00000010 R_X86_64_DTPMOD64 +0+ sG1 \+ 0
[0-9a-f]+ 0+a00000011 R_X86_64_DTPOFF64 +0+ sG1 \+ 0
Relocation section '.rela.plt' at offset 0x[0-9a-f]+ contains 3 entries:
+Offset +Info +Type +Symbol's Value Symbol's Name \+ Addend
[0-9a-f]+ 0+600000007 R_X86_64_JUMP_SLOT +0+ __tls_get_addr \+ 0
[0-9a-f]+ 0+a00000024 R_X86_64_TLSDESC +0+ sG1 \+ 0
[0-9a-f]+ 0+400000024 R_X86_64_TLSDESC +0+ sG2 \+ 0
Symbol table '.dynsym' contains 13 entries:
+Num: +Value +Size Type +Bind +Vis +Ndx Name
+[0-9]+: 0+ +0 NOTYPE LOCAL DEFAULT UND *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +7 *
+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT UND sG3
+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT UND sG5
+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT UND sG2
+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT UND sG4
+[0-9]+: 0+ +0 NOTYPE GLOBAL DEFAULT UND __tls_get_addr
+[0-9]+: [0-9a-f]+ +0 NOTYPE GLOBAL DEFAULT ABS __bss_start
+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT UND sG6
+[0-9]+: [0-9a-f]+ +0 FUNC +GLOBAL DEFAULT +7 fc1
+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT UND sG1
+[0-9]+: [0-9a-f]+ +0 NOTYPE GLOBAL DEFAULT ABS _edata
+[0-9]+: [0-9a-f]+ +0 NOTYPE GLOBAL DEFAULT ABS _end
Symbol table '.symtab' contains 27 entries:
+Num: +Value +Size Type +Bind +Vis +Ndx Name
+[0-9]+: 0+ +0 NOTYPE LOCAL DEFAULT UND *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +1 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +2 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +3 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +4 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +5 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +6 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +7 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +8 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +9 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +10 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +11 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +12 *
+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL DEFAULT +13 *
+[0-9]+: [0-9a-f]+ +0 OBJECT LOCAL HIDDEN ABS _DYNAMIC
+[0-9]+: [0-9a-f]+ +0 OBJECT LOCAL HIDDEN ABS _GLOBAL_OFFSET_TABLE_
+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT UND sG3
+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT UND sG5
+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT UND sG2
+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT UND sG4
+[0-9]+: 0+ +0 NOTYPE GLOBAL DEFAULT UND __tls_get_addr
+[0-9]+: [0-9a-f]+ +0 NOTYPE GLOBAL DEFAULT ABS __bss_start
+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT UND sG6
+[0-9]+: [0-9a-f]+ +0 FUNC +GLOBAL DEFAULT +7 fc1
+[0-9]+: 0+ +0 TLS +GLOBAL DEFAULT UND sG1
+[0-9]+: [0-9a-f]+ +0 NOTYPE GLOBAL DEFAULT ABS _edata
+[0-9]+: [0-9a-f]+ +0 NOTYPE GLOBAL DEFAULT ABS _end

106
ld/testsuite/ld-x86-64/tlsgdesc.s Normal file
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@ -0,0 +1,106 @@
.text
.globl fc1
.type fc1,@function
fc1:
pushq %rbp
movq %rsp, %rbp
nop;nop;nop;nop
/* IE against global var. */
movq %fs:0, %rcx
nop;nop
addq sG3@gottpoff(%rip), %rcx
nop;nop;nop;nop
/* IE against global var. */
movq %fs:0, %rcx
nop;nop
addq sG4@gottpoff(%rip), %rcx
nop;nop;nop;nop
/* GD, gd first. */
.byte 0x66
leaq sG1@tlsgd(%rip), %rdi
.word 0x6666
rex64
call __tls_get_addr@plt
nop;nop;nop;nop
leaq sG1@tlsdesc(%rip), %rax
call *sG1@tlscall(%rax)
nop;nop;nop;nop
/* GD, desc first. */
leaq sG2@tlsdesc(%rip), %rax
call *sG2@tlscall(%rax)
nop;nop;nop;nop
.byte 0x66
leaq sG2@tlsgd(%rip), %rdi
.word 0x6666
rex64
call __tls_get_addr@plt
nop;nop;nop;nop
/* GD -> IE, gd first, after IE use. */
.byte 0x66
leaq sG3@tlsgd(%rip), %rdi
.word 0x6666
rex64
call __tls_get_addr@plt
nop;nop;nop;nop
leaq sG3@tlsdesc(%rip), %rax
call *sG3@tlscall(%rax)
nop;nop;nop;nop
/* GD -> IE, desc first, after IE use. */
leaq sG4@tlsdesc(%rip), %rax
call *sG4@tlscall(%rax)
nop;nop;nop;nop
.byte 0x66
leaq sG4@tlsgd(%rip), %rdi
.word 0x6666
rex64
call __tls_get_addr@plt
nop;nop;nop;nop
/* GD -> IE, gd first, before IE use. */
.byte 0x66
leaq sG5@tlsgd(%rip), %rdi
.word 0x6666
rex64
call __tls_get_addr@plt
nop;nop;nop;nop
leaq sG5@tlsdesc(%rip), %rax
call *sG5@tlscall(%rax)
nop;nop;nop;nop
/* GD -> IE, desc first, before IE use. */
leaq sG6@tlsdesc(%rip), %rax
call *sG6@tlscall(%rax)
nop;nop;nop;nop
.byte 0x66
leaq sG6@tlsgd(%rip), %rdi
.word 0x6666
rex64
call __tls_get_addr@plt
nop;nop;nop;nop
/* IE against global var. */
movq %fs:0, %rcx
nop;nop
addq sG5@gottpoff(%rip), %rcx
nop;nop;nop;nop
/* IE against global var. */
movq %fs:0, %rcx
nop;nop
addq sG6@gottpoff(%rip), %rcx
nop;nop;nop;nop
leave
ret

16
ld/testsuite/ld-x86-64/x86-64.exp
View File

@ -1,5 +1,5 @@
# Expect script for ld-x86_64 tests
# Copyright (C) 2002 Free Software Foundation
# Copyright (C) 2002, 2005, 2006 Free Software Foundation
#
# This file is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
@ -39,6 +39,11 @@ set x86_64tests {
{{readelf -WSsrl tlspic.rd} {objdump -drj.text tlspic.dd}
{objdump -sj.got tlspic.sd} {objdump -sj.tdata tlspic.td}}
"libtlspic.so"}
{"TLS descriptor -fpic -shared transitions" "-shared -melf_x86_64"
"--64" {tlsdesc.s tlspic2.s}
{{readelf -WSsrld tlsdesc.rd} {objdump -drj.text tlsdesc.dd}
{objdump "-s -j.got -j.got.plt" tlsdesc.sd} {objdump -sj.tdata tlsdesc.td}
{objdump -drj.plt tlsdesc.pd}} "libtlsdesc.so"}
{"Helper shared library" "-shared -melf_x86_64"
"--64" {tlslib.s} {} "libtlslib.so"}
{"TLS -fpic and -fno-pic exec transitions"
@ -46,6 +51,15 @@ set x86_64tests {
{{readelf -WSsrl tlsbin.rd} {objdump -drj.text tlsbin.dd}
{objdump -sj.got tlsbin.sd} {objdump -sj.tdata tlsbin.td}}
"tlsbin"}
{"TLS descriptor -fpic and -fno-pic exec transitions"
"-melf_x86_64 tmpdir/libtlslib.so" "--64" {tlsbindesc.s tlsbin.s}
{{readelf -WSsrl tlsbindesc.rd} {objdump -drj.text tlsbindesc.dd}
{objdump -sj.got tlsbindesc.sd} {objdump -sj.tdata tlsbindesc.td}}
"tlsbindesc"}
{"TLS with global dynamic and descriptors"
"-shared -melf_x86_64" "--64" {tlsgdesc.s}
{{readelf -WSsrl tlsgdesc.rd} {objdump -drj.text tlsgdesc.dd}}
"libtlsgdesc.so"}
{"TLS in debug sections" "-melf_x86_64"
"--64" {tlsg.s}
{{objdump -sj.debug_foobar tlsg.sd}} "tlsg"}