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Unified Diff: bfd/elfxx-tilegx.c

Issue 11969036: Merge GDB 7.5.1 (Closed) Base URL: http://git.chromium.org/native_client/nacl-gdb.git@master
Patch Set: Created 7 years, 11 months ago
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Index: bfd/elfxx-tilegx.c
diff --git a/bfd/elfxx-tilegx.c b/bfd/elfxx-tilegx.c
index 2aaa3d317570a6172cd351cda540a28182bde4d6..6f748ece7f09a477f23315f3757782f25b984090 100644
--- a/bfd/elfxx-tilegx.c
+++ b/bfd/elfxx-tilegx.c
@@ -1,5 +1,5 @@
/* TILE-Gx-specific support for ELF.
- Copyright 2011 Free Software Foundation, Inc.
+ Copyright 2011, 2012 Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
@@ -18,8 +18,8 @@
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
-#include "bfd.h"
#include "sysdep.h"
+#include "bfd.h"
#include "libbfd.h"
#include "elf-bfd.h"
#include "elf/tilegx.h"
@@ -490,35 +490,38 @@ static reloc_howto_type tilegx_elf_howto_table [] =
TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X0_HW0_GOT, 0),
TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X1_HW0_GOT, 0),
- TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X0_HW1_GOT, 16),
- TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X1_HW1_GOT, 16),
- TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X0_HW2_GOT, 32),
- TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X1_HW2_GOT, 32),
- TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X0_HW3_GOT, 48),
- TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X1_HW3_GOT, 48),
+ /* These relocs are currently not defined. */
+ EMPTY_HOWTO (66),
+ EMPTY_HOWTO (67),
+ EMPTY_HOWTO (68),
+ EMPTY_HOWTO (69),
+ EMPTY_HOWTO (70),
+ EMPTY_HOWTO (71),
TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X0_HW0_LAST_GOT, 0),
TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X1_HW0_LAST_GOT, 0),
TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X0_HW1_LAST_GOT, 16),
TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X1_HW1_LAST_GOT, 16),
- TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X0_HW2_LAST_GOT, 32),
- TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X1_HW2_LAST_GOT, 32),
+ /* These relocs are currently not defined. */
+ EMPTY_HOWTO (76),
+ EMPTY_HOWTO (77),
TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X0_HW0_TLS_GD, 0),
TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X1_HW0_TLS_GD, 0),
- TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X0_HW1_TLS_GD, 16),
- TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X1_HW1_TLS_GD, 16),
- TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X0_HW2_TLS_GD, 32),
- TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X1_HW2_TLS_GD, 32),
- TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X0_HW3_TLS_GD, 48),
- TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X1_HW3_TLS_GD, 48),
+
+ TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X0_HW0_TLS_LE, 0),
+ TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X1_HW0_TLS_LE, 0),
+ TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X0_HW0_LAST_TLS_LE, 0),
+ TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X1_HW0_LAST_TLS_LE, 0),
+ TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X0_HW1_LAST_TLS_LE, 16),
+ TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X1_HW1_LAST_TLS_LE, 16),
TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD, 0),
TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD, 0),
TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD, 16),
TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD, 16),
- TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X0_HW2_LAST_TLS_GD, 32),
- TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X1_HW2_LAST_TLS_GD, 32),
+ EMPTY_HOWTO (90),
+ EMPTY_HOWTO (91),
#define TILEGX_IMM16_HOWTO_TLS_IE(name, rshift) \
HOWTO (name, rshift, 1, 16, FALSE, 0, \
@@ -527,12 +530,12 @@ static reloc_howto_type tilegx_elf_howto_table [] =
TILEGX_IMM16_HOWTO_TLS_IE (R_TILEGX_IMM16_X0_HW0_TLS_IE, 0),
TILEGX_IMM16_HOWTO_TLS_IE (R_TILEGX_IMM16_X1_HW0_TLS_IE, 0),
- TILEGX_IMM16_HOWTO_TLS_IE (R_TILEGX_IMM16_X0_HW1_TLS_IE, 16),
- TILEGX_IMM16_HOWTO_TLS_IE (R_TILEGX_IMM16_X1_HW1_TLS_IE, 16),
- TILEGX_IMM16_HOWTO_TLS_IE (R_TILEGX_IMM16_X0_HW2_TLS_IE, 32),
- TILEGX_IMM16_HOWTO_TLS_IE (R_TILEGX_IMM16_X1_HW2_TLS_IE, 32),
- TILEGX_IMM16_HOWTO_TLS_IE (R_TILEGX_IMM16_X0_HW3_TLS_IE, 48),
- TILEGX_IMM16_HOWTO_TLS_IE (R_TILEGX_IMM16_X1_HW3_TLS_IE, 48),
+ EMPTY_HOWTO (94),
+ EMPTY_HOWTO (95),
+ EMPTY_HOWTO (96),
+ EMPTY_HOWTO (97),
+ EMPTY_HOWTO (98),
+ EMPTY_HOWTO (99),
#define TILEGX_IMM16_HOWTO_LAST_TLS_IE(name, rshift) \
HOWTO (name, rshift, 1, 16, FALSE, 0, \
@@ -543,8 +546,8 @@ static reloc_howto_type tilegx_elf_howto_table [] =
TILEGX_IMM16_HOWTO_LAST_TLS_IE (R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE, 0),
TILEGX_IMM16_HOWTO_LAST_TLS_IE (R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE, 16),
TILEGX_IMM16_HOWTO_LAST_TLS_IE (R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE, 16),
- TILEGX_IMM16_HOWTO_LAST_TLS_IE (R_TILEGX_IMM16_X0_HW2_LAST_TLS_IE, 32),
- TILEGX_IMM16_HOWTO_LAST_TLS_IE (R_TILEGX_IMM16_X1_HW2_LAST_TLS_IE, 32),
+ EMPTY_HOWTO (104),
+ EMPTY_HOWTO (105),
HOWTO(R_TILEGX_TLS_DTPMOD64, 0, 0, 0, FALSE, 0, complain_overflow_dont,
bfd_elf_generic_reloc, "R_TILEGX_TLS_DTPMOD64",
@@ -564,7 +567,31 @@ static reloc_howto_type tilegx_elf_howto_table [] =
FALSE, 0, -1, TRUE),
HOWTO(R_TILEGX_TLS_TPOFF32, 0, 0, 0, FALSE, 0, complain_overflow_dont,
bfd_elf_generic_reloc, "R_TILEGX_TLS_TPOFF32",
- FALSE, 0, 0, TRUE)
+ FALSE, 0, 0, TRUE),
+
+ HOWTO (R_TILEGX_TLS_GD_CALL, /* type */
+ TILEGX_LOG2_BUNDLE_ALIGNMENT_IN_BYTES, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 27, /* bitsize */
+ TRUE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed,/* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_TILEGX_TLS_GD_CALL", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ -1, /* dst_mask */
+ TRUE), /* pcrel_offset */
+
+ TILEGX_IMM_HOWTO(R_TILEGX_IMM8_X0_TLS_GD_ADD, 0, 8),
+ TILEGX_IMM_HOWTO(R_TILEGX_IMM8_X1_TLS_GD_ADD, 0, 8),
+ TILEGX_IMM_HOWTO(R_TILEGX_IMM8_Y0_TLS_GD_ADD, 0, 8),
+ TILEGX_IMM_HOWTO(R_TILEGX_IMM8_Y1_TLS_GD_ADD, 0, 8),
+ TILEGX_IMM_HOWTO(R_TILEGX_TLS_IE_LOAD, 0, 8),
+ TILEGX_IMM_HOWTO(R_TILEGX_IMM8_X0_TLS_ADD, 0, 8),
+ TILEGX_IMM_HOWTO(R_TILEGX_IMM8_X1_TLS_ADD, 0, 8),
+ TILEGX_IMM_HOWTO(R_TILEGX_IMM8_Y0_TLS_ADD, 0, 8),
+ TILEGX_IMM_HOWTO(R_TILEGX_IMM8_Y1_TLS_ADD, 0, 8),
};
static reloc_howto_type tilegx_elf_howto_table2 [] =
@@ -686,46 +713,28 @@ static const reloc_map tilegx_reloc_map [] =
SIMPLE_REMAP (TILEGX_IMM16_X1_HW2_LAST_PCREL)
SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_GOT)
SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_GOT)
- SIMPLE_REMAP (TILEGX_IMM16_X0_HW1_GOT)
- SIMPLE_REMAP (TILEGX_IMM16_X1_HW1_GOT)
- SIMPLE_REMAP (TILEGX_IMM16_X0_HW2_GOT)
- SIMPLE_REMAP (TILEGX_IMM16_X1_HW2_GOT)
- SIMPLE_REMAP (TILEGX_IMM16_X0_HW3_GOT)
- SIMPLE_REMAP (TILEGX_IMM16_X1_HW3_GOT)
SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_LAST_GOT)
SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_LAST_GOT)
SIMPLE_REMAP (TILEGX_IMM16_X0_HW1_LAST_GOT)
SIMPLE_REMAP (TILEGX_IMM16_X1_HW1_LAST_GOT)
- SIMPLE_REMAP (TILEGX_IMM16_X0_HW2_LAST_GOT)
- SIMPLE_REMAP (TILEGX_IMM16_X1_HW2_LAST_GOT)
SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_TLS_GD)
SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_TLS_GD)
- SIMPLE_REMAP (TILEGX_IMM16_X0_HW1_TLS_GD)
- SIMPLE_REMAP (TILEGX_IMM16_X1_HW1_TLS_GD)
- SIMPLE_REMAP (TILEGX_IMM16_X0_HW2_TLS_GD)
- SIMPLE_REMAP (TILEGX_IMM16_X1_HW2_TLS_GD)
- SIMPLE_REMAP (TILEGX_IMM16_X0_HW3_TLS_GD)
- SIMPLE_REMAP (TILEGX_IMM16_X1_HW3_TLS_GD)
+ SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_TLS_LE)
+ SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_TLS_LE)
+ SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_LAST_TLS_LE)
+ SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_LAST_TLS_LE)
+ SIMPLE_REMAP (TILEGX_IMM16_X0_HW1_LAST_TLS_LE)
+ SIMPLE_REMAP (TILEGX_IMM16_X1_HW1_LAST_TLS_LE)
SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_LAST_TLS_GD)
SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_LAST_TLS_GD)
SIMPLE_REMAP (TILEGX_IMM16_X0_HW1_LAST_TLS_GD)
SIMPLE_REMAP (TILEGX_IMM16_X1_HW1_LAST_TLS_GD)
- SIMPLE_REMAP (TILEGX_IMM16_X0_HW2_LAST_TLS_GD)
- SIMPLE_REMAP (TILEGX_IMM16_X1_HW2_LAST_TLS_GD)
SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_TLS_IE)
SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_TLS_IE)
- SIMPLE_REMAP (TILEGX_IMM16_X0_HW1_TLS_IE)
- SIMPLE_REMAP (TILEGX_IMM16_X1_HW1_TLS_IE)
- SIMPLE_REMAP (TILEGX_IMM16_X0_HW2_TLS_IE)
- SIMPLE_REMAP (TILEGX_IMM16_X1_HW2_TLS_IE)
- SIMPLE_REMAP (TILEGX_IMM16_X0_HW3_TLS_IE)
- SIMPLE_REMAP (TILEGX_IMM16_X1_HW3_TLS_IE)
SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_LAST_TLS_IE)
SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_LAST_TLS_IE)
SIMPLE_REMAP (TILEGX_IMM16_X0_HW1_LAST_TLS_IE)
SIMPLE_REMAP (TILEGX_IMM16_X1_HW1_LAST_TLS_IE)
- SIMPLE_REMAP (TILEGX_IMM16_X0_HW2_LAST_TLS_IE)
- SIMPLE_REMAP (TILEGX_IMM16_X1_HW2_LAST_TLS_IE)
SIMPLE_REMAP (TILEGX_TLS_DTPMOD64)
SIMPLE_REMAP (TILEGX_TLS_DTPOFF64)
@@ -735,6 +744,17 @@ static const reloc_map tilegx_reloc_map [] =
SIMPLE_REMAP (TILEGX_TLS_DTPOFF32)
SIMPLE_REMAP (TILEGX_TLS_TPOFF32)
+ SIMPLE_REMAP (TILEGX_TLS_GD_CALL)
+ SIMPLE_REMAP (TILEGX_IMM8_X0_TLS_GD_ADD)
+ SIMPLE_REMAP (TILEGX_IMM8_X1_TLS_GD_ADD)
+ SIMPLE_REMAP (TILEGX_IMM8_Y0_TLS_GD_ADD)
+ SIMPLE_REMAP (TILEGX_IMM8_Y1_TLS_GD_ADD)
+ SIMPLE_REMAP (TILEGX_TLS_IE_LOAD)
+ SIMPLE_REMAP (TILEGX_IMM8_X0_TLS_ADD)
+ SIMPLE_REMAP (TILEGX_IMM8_X1_TLS_ADD)
+ SIMPLE_REMAP (TILEGX_IMM8_Y0_TLS_ADD)
+ SIMPLE_REMAP (TILEGX_IMM8_Y1_TLS_ADD)
+
#undef SIMPLE_REMAP
#undef TH_REMAP
@@ -824,6 +844,10 @@ struct tilegx_elf_link_hash_table
asection *sdynbss;
asection *srelbss;
+ /* Whether LE transition has been disabled for some of the
+ sections. */
+ bfd_boolean disable_le_transition;
+
/* Small local sym to section mapping cache. */
struct sym_cache sym_cache;
};
@@ -920,7 +944,7 @@ tilegx_info_to_howto_rela (bfd *abfd ATTRIBUTE_UNUSED,
{
unsigned int r_type = TILEGX_ELF_R_TYPE (dst->r_info);
- if (r_type <= (unsigned int) R_TILEGX_TLS_TPOFF32)
+ if (r_type <= (unsigned int) R_TILEGX_IMM8_Y1_TLS_ADD)
cache_ptr->howto = &tilegx_elf_howto_table [r_type];
else if (r_type - R_TILEGX_GNU_VTINHERIT
<= (unsigned int) R_TILEGX_GNU_VTENTRY)
@@ -1003,10 +1027,18 @@ static const tilegx_create_func reloc_to_create_func[] =
create_Imm16_X1,
create_Imm16_X0,
create_Imm16_X1,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
create_Imm16_X0,
create_Imm16_X1,
create_Imm16_X0,
create_Imm16_X1,
+ NULL,
+ NULL,
create_Imm16_X0,
create_Imm16_X1,
create_Imm16_X0,
@@ -1019,30 +1051,20 @@ static const tilegx_create_func reloc_to_create_func[] =
create_Imm16_X1,
create_Imm16_X0,
create_Imm16_X1,
+ NULL,
+ NULL,
create_Imm16_X0,
create_Imm16_X1,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
create_Imm16_X0,
create_Imm16_X1,
create_Imm16_X0,
create_Imm16_X1,
- create_Imm16_X0,
- create_Imm16_X1,
- create_Imm16_X0,
- create_Imm16_X1,
- create_Imm16_X0,
- create_Imm16_X1,
- create_Imm16_X0,
- create_Imm16_X1,
- create_Imm16_X0,
- create_Imm16_X1,
- create_Imm16_X0,
- create_Imm16_X1,
- create_Imm16_X0,
- create_Imm16_X1,
- create_Imm16_X0,
- create_Imm16_X1,
- create_Imm16_X0,
- create_Imm16_X1
};
static void
@@ -1402,23 +1424,23 @@ tilegx_elf_create_got_section (bfd *abfd, struct bfd_link_info *info)
struct elf_link_hash_table *htab = elf_hash_table (info);
/* This function may be called more than once. */
- s = bfd_get_section_by_name (abfd, ".got");
- if (s != NULL && (s->flags & SEC_LINKER_CREATED) != 0)
+ s = bfd_get_linker_section (abfd, ".got");
+ if (s != NULL)
return TRUE;
flags = bed->dynamic_sec_flags;
- s = bfd_make_section_with_flags (abfd,
- (bed->rela_plts_and_copies_p
- ? ".rela.got" : ".rel.got"),
- (bed->dynamic_sec_flags
- | SEC_READONLY));
+ s = bfd_make_section_anyway_with_flags (abfd,
+ (bed->rela_plts_and_copies_p
+ ? ".rela.got" : ".rel.got"),
+ (bed->dynamic_sec_flags
+ | SEC_READONLY));
if (s == NULL
|| ! bfd_set_section_alignment (abfd, s, bed->s->log_file_align))
return FALSE;
htab->srelgot = s;
- s = s_got = bfd_make_section_with_flags (abfd, ".got", flags);
+ s = s_got = bfd_make_section_anyway_with_flags (abfd, ".got", flags);
if (s == NULL
|| !bfd_set_section_alignment (abfd, s, bed->s->log_file_align))
return FALSE;
@@ -1429,7 +1451,7 @@ tilegx_elf_create_got_section (bfd *abfd, struct bfd_link_info *info)
if (bed->want_got_plt)
{
- s = bfd_make_section_with_flags (abfd, ".got.plt", flags);
+ s = bfd_make_section_anyway_with_flags (abfd, ".got.plt", flags);
if (s == NULL
|| !bfd_set_section_alignment (abfd, s,
bed->s->log_file_align))
@@ -1475,9 +1497,9 @@ tilegx_elf_create_dynamic_sections (bfd *dynobj,
if (!_bfd_elf_create_dynamic_sections (dynobj, info))
return FALSE;
- htab->sdynbss = bfd_get_section_by_name (dynobj, ".dynbss");
+ htab->sdynbss = bfd_get_linker_section (dynobj, ".dynbss");
if (!info->shared)
- htab->srelbss = bfd_get_section_by_name (dynobj, ".rela.bss");
+ htab->srelbss = bfd_get_linker_section (dynobj, ".rela.bss");
if (!htab->elf.splt || !htab->elf.srelplt || !htab->sdynbss
|| (!info->shared && !htab->srelbss))
@@ -1538,6 +1560,83 @@ tilegx_elf_copy_indirect_symbol (struct bfd_link_info *info,
_bfd_elf_link_hash_copy_indirect (info, dir, ind);
}
+static int
+tilegx_tls_translate_to_le (int r_type)
+{
+ switch (r_type)
+ {
+ case R_TILEGX_IMM16_X0_HW0_TLS_GD:
+ case R_TILEGX_IMM16_X0_HW0_TLS_IE:
+ return R_TILEGX_IMM16_X0_HW0_TLS_LE;
+
+ case R_TILEGX_IMM16_X1_HW0_TLS_GD:
+ case R_TILEGX_IMM16_X1_HW0_TLS_IE:
+ return R_TILEGX_IMM16_X1_HW0_TLS_LE;
+
+ case R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD:
+ case R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE:
+ return R_TILEGX_IMM16_X0_HW0_LAST_TLS_LE;
+
+ case R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD:
+ case R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE:
+ return R_TILEGX_IMM16_X1_HW0_LAST_TLS_LE;
+
+ case R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD:
+ case R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE:
+ return R_TILEGX_IMM16_X0_HW1_LAST_TLS_LE;
+
+ case R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD:
+ case R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE:
+ return R_TILEGX_IMM16_X1_HW1_LAST_TLS_LE;
+ }
+ return r_type;
+}
+
+static int
+tilegx_tls_translate_to_ie (int r_type)
+{
+ switch (r_type)
+ {
+ case R_TILEGX_IMM16_X0_HW0_TLS_GD:
+ case R_TILEGX_IMM16_X0_HW0_TLS_IE:
+ return R_TILEGX_IMM16_X0_HW0_TLS_IE;
+
+ case R_TILEGX_IMM16_X1_HW0_TLS_GD:
+ case R_TILEGX_IMM16_X1_HW0_TLS_IE:
+ return R_TILEGX_IMM16_X1_HW0_TLS_IE;
+
+ case R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD:
+ case R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE:
+ return R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE;
+
+ case R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD:
+ case R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE:
+ return R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE;
+
+ case R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD:
+ case R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE:
+ return R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE;
+
+ case R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD:
+ case R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE:
+ return R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE;
+ }
+ return r_type;
+}
+
+static int
+tilegx_elf_tls_transition (struct bfd_link_info *info, int r_type,
+ int is_local, bfd_boolean disable_le_transition)
+{
+ if (info->shared)
+ return r_type;
+
+ if (is_local && !disable_le_transition)
+ return tilegx_tls_translate_to_le (r_type);
+ else
+ return tilegx_tls_translate_to_ie (r_type);
+}
+
/* Look through the relocs for a section during the first phase, and
allocate space in the global offset table or procedure linkage
table. */
@@ -1553,6 +1652,7 @@ tilegx_elf_check_relocs (bfd *abfd, struct bfd_link_info *info,
const Elf_Internal_Rela *rel_end;
asection *sreloc;
int num_relocs;
+ bfd_boolean has_tls_gd_or_ie = FALSE, has_tls_add = FALSE;
if (info->relocatable)
return TRUE;
@@ -1571,6 +1671,33 @@ tilegx_elf_check_relocs (bfd *abfd, struct bfd_link_info *info,
htab->elf.dynobj = abfd;
rel_end = relocs + num_relocs;
+
+ /* Check whether to do optimization to transform TLS GD/IE
+ referehces to TLS LE. We disable it if we're linking with old
+ TLS code sequences that do not support such optimization. Old
+ TLS code sequences have tls_gd_call/tls_ie_load relocations but
+ no tls_add relocations. */
+ for (rel = relocs; rel < rel_end && !has_tls_add; rel++)
+ {
+ int r_type = TILEGX_ELF_R_TYPE (rel->r_info);
+ switch (r_type)
+ {
+ case R_TILEGX_TLS_GD_CALL:
+ case R_TILEGX_TLS_IE_LOAD:
+ has_tls_gd_or_ie = TRUE;
+ break;
+ case R_TILEGX_IMM8_X0_TLS_ADD:
+ case R_TILEGX_IMM8_Y0_TLS_ADD:
+ case R_TILEGX_IMM8_X1_TLS_ADD:
+ case R_TILEGX_IMM8_Y1_TLS_ADD:
+ has_tls_add = TRUE;
+ break;
+ }
+ }
+
+ sec->sec_flg0 = (has_tls_gd_or_ie && !has_tls_add);
+ htab->disable_le_transition |= sec->sec_flg0;
+
for (rel = relocs; rel < rel_end; rel++)
{
unsigned int r_type;
@@ -1598,39 +1725,36 @@ tilegx_elf_check_relocs (bfd *abfd, struct bfd_link_info *info,
h = (struct elf_link_hash_entry *) h->root.u.i.link;
}
+ r_type = tilegx_elf_tls_transition (info, r_type, h == NULL,
+ sec->sec_flg0);
switch (r_type)
{
+ case R_TILEGX_IMM16_X0_HW0_TLS_LE:
+ case R_TILEGX_IMM16_X1_HW0_TLS_LE:
+ case R_TILEGX_IMM16_X0_HW0_LAST_TLS_LE:
+ case R_TILEGX_IMM16_X1_HW0_LAST_TLS_LE:
+ case R_TILEGX_IMM16_X0_HW1_LAST_TLS_LE:
+ case R_TILEGX_IMM16_X1_HW1_LAST_TLS_LE:
+ if (info->shared)
+ goto r_tilegx_plt32;
+ break;
+
case R_TILEGX_IMM16_X0_HW0_TLS_GD:
case R_TILEGX_IMM16_X1_HW0_TLS_GD:
- case R_TILEGX_IMM16_X0_HW1_TLS_GD:
- case R_TILEGX_IMM16_X1_HW1_TLS_GD:
- case R_TILEGX_IMM16_X0_HW2_TLS_GD:
- case R_TILEGX_IMM16_X1_HW2_TLS_GD:
- case R_TILEGX_IMM16_X0_HW3_TLS_GD:
- case R_TILEGX_IMM16_X1_HW3_TLS_GD:
case R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD:
case R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD:
case R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD:
case R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD:
- case R_TILEGX_IMM16_X0_HW2_LAST_TLS_GD:
- case R_TILEGX_IMM16_X1_HW2_LAST_TLS_GD:
- tls_type = GOT_TLS_GD;
+ BFD_ASSERT (info->shared);
+ tls_type = GOT_TLS_GD;
goto have_got_reference;
case R_TILEGX_IMM16_X0_HW0_TLS_IE:
case R_TILEGX_IMM16_X1_HW0_TLS_IE:
- case R_TILEGX_IMM16_X0_HW1_TLS_IE:
- case R_TILEGX_IMM16_X1_HW1_TLS_IE:
- case R_TILEGX_IMM16_X0_HW2_TLS_IE:
- case R_TILEGX_IMM16_X1_HW2_TLS_IE:
- case R_TILEGX_IMM16_X0_HW3_TLS_IE:
- case R_TILEGX_IMM16_X1_HW3_TLS_IE:
case R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE:
case R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE:
case R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE:
case R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE:
- case R_TILEGX_IMM16_X0_HW2_LAST_TLS_IE:
- case R_TILEGX_IMM16_X1_HW2_LAST_TLS_IE:
tls_type = GOT_TLS_IE;
if (info->shared)
info->flags |= DF_STATIC_TLS;
@@ -1638,18 +1762,10 @@ tilegx_elf_check_relocs (bfd *abfd, struct bfd_link_info *info,
case R_TILEGX_IMM16_X0_HW0_GOT:
case R_TILEGX_IMM16_X1_HW0_GOT:
- case R_TILEGX_IMM16_X0_HW1_GOT:
- case R_TILEGX_IMM16_X1_HW1_GOT:
- case R_TILEGX_IMM16_X0_HW2_GOT:
- case R_TILEGX_IMM16_X1_HW2_GOT:
- case R_TILEGX_IMM16_X0_HW3_GOT:
- case R_TILEGX_IMM16_X1_HW3_GOT:
case R_TILEGX_IMM16_X0_HW0_LAST_GOT:
case R_TILEGX_IMM16_X1_HW0_LAST_GOT:
case R_TILEGX_IMM16_X0_HW1_LAST_GOT:
case R_TILEGX_IMM16_X1_HW1_LAST_GOT:
- case R_TILEGX_IMM16_X0_HW2_LAST_GOT:
- case R_TILEGX_IMM16_X1_HW2_LAST_GOT:
tls_type = GOT_NORMAL;
/* Fall Through */
@@ -1720,6 +1836,24 @@ tilegx_elf_check_relocs (bfd *abfd, struct bfd_link_info *info,
}
break;
+ case R_TILEGX_TLS_GD_CALL:
+ if (info->shared)
+ {
+ /* These are basically R_TILEGX_JUMPOFF_X1_PLT relocs
+ against __tls_get_addr. */
+ struct bfd_link_hash_entry *bh = NULL;
+ if (! _bfd_generic_link_add_one_symbol (info, abfd,
+ "__tls_get_addr", 0,
+ bfd_und_section_ptr, 0,
+ NULL, FALSE, FALSE,
+ &bh))
+ return FALSE;
+ h = (struct elf_link_hash_entry *) bh;
+ }
+ else
+ break;
+ /* Fall through */
+
case R_TILEGX_JUMPOFF_X1_PLT:
/* This symbol requires a procedure linkage table entry. We
actually build the entry in adjust_dynamic_symbol,
@@ -1805,16 +1939,15 @@ tilegx_elf_check_relocs (bfd *abfd, struct bfd_link_info *info,
case R_TILEGX_IMM16_X0_HW2_LAST:
case R_TILEGX_IMM16_X1_HW2_LAST:
if (h != NULL)
- {
- h->non_got_ref = 1;
+ h->non_got_ref = 1;
- if (!info->shared)
- {
- /* We may need a .plt entry if the function this reloc
- refers to is in a shared lib. */
- h->plt.refcount += 1;
- }
- }
+ r_tilegx_plt32:
+ if (h != NULL && !info->shared)
+ {
+ /* We may need a .plt entry if the function this reloc
+ refers to is in a shared lib. */
+ h->plt.refcount += 1;
+ }
/* If we are creating a shared library, and this is a reloc
against a global symbol, or a non PC relative reloc
@@ -2008,51 +2141,28 @@ tilegx_elf_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info,
}
r_type = TILEGX_ELF_R_TYPE (rel->r_info);
-
+ r_type = tilegx_elf_tls_transition (info, r_type, h != NULL,
+ sec->sec_flg0);
switch (r_type)
{
case R_TILEGX_IMM16_X0_HW0_GOT:
case R_TILEGX_IMM16_X1_HW0_GOT:
- case R_TILEGX_IMM16_X0_HW1_GOT:
- case R_TILEGX_IMM16_X1_HW1_GOT:
- case R_TILEGX_IMM16_X0_HW2_GOT:
- case R_TILEGX_IMM16_X1_HW2_GOT:
- case R_TILEGX_IMM16_X0_HW3_GOT:
- case R_TILEGX_IMM16_X1_HW3_GOT:
case R_TILEGX_IMM16_X0_HW0_LAST_GOT:
case R_TILEGX_IMM16_X1_HW0_LAST_GOT:
case R_TILEGX_IMM16_X0_HW1_LAST_GOT:
case R_TILEGX_IMM16_X1_HW1_LAST_GOT:
- case R_TILEGX_IMM16_X0_HW2_LAST_GOT:
- case R_TILEGX_IMM16_X1_HW2_LAST_GOT:
case R_TILEGX_IMM16_X0_HW0_TLS_GD:
case R_TILEGX_IMM16_X1_HW0_TLS_GD:
- case R_TILEGX_IMM16_X0_HW1_TLS_GD:
- case R_TILEGX_IMM16_X1_HW1_TLS_GD:
- case R_TILEGX_IMM16_X0_HW2_TLS_GD:
- case R_TILEGX_IMM16_X1_HW2_TLS_GD:
- case R_TILEGX_IMM16_X0_HW3_TLS_GD:
- case R_TILEGX_IMM16_X1_HW3_TLS_GD:
case R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD:
case R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD:
case R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD:
case R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD:
- case R_TILEGX_IMM16_X0_HW2_LAST_TLS_GD:
- case R_TILEGX_IMM16_X1_HW2_LAST_TLS_GD:
case R_TILEGX_IMM16_X0_HW0_TLS_IE:
case R_TILEGX_IMM16_X1_HW0_TLS_IE:
- case R_TILEGX_IMM16_X0_HW1_TLS_IE:
- case R_TILEGX_IMM16_X1_HW1_TLS_IE:
- case R_TILEGX_IMM16_X0_HW2_TLS_IE:
- case R_TILEGX_IMM16_X1_HW2_TLS_IE:
- case R_TILEGX_IMM16_X0_HW3_TLS_IE:
- case R_TILEGX_IMM16_X1_HW3_TLS_IE:
case R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE:
case R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE:
case R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE:
case R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE:
- case R_TILEGX_IMM16_X0_HW2_LAST_TLS_IE:
- case R_TILEGX_IMM16_X1_HW2_LAST_TLS_IE:
if (h != NULL)
{
if (h->got.refcount > 0)
@@ -2060,7 +2170,8 @@ tilegx_elf_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info,
}
else
{
- if (local_got_refcounts[r_symndx] > 0)
+ if (local_got_refcounts &&
+ local_got_refcounts[r_symndx] > 0)
local_got_refcounts[r_symndx]--;
}
break;
@@ -2256,13 +2367,6 @@ tilegx_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
return TRUE;
}
- if (h->size == 0)
- {
- (*_bfd_error_handler) (_("dynamic variable `%s' is zero size"),
- h->root.root.string);
- return TRUE;
- }
-
/* We must allocate the symbol in our .dynbss section, which will
become part of the .bss section of the executable. There will be
an entry for this symbol in the .dynsym section. The dynamic
@@ -2277,7 +2381,7 @@ tilegx_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
to copy the initial value out of the dynamic object and into the
runtime process image. We need to remember the offset into the
.rel.bss section we are going to use. */
- if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
+ if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
{
htab->srelbss->size += TILEGX_ELF_RELA_BYTES (htab);
h->needs_copy = 1;
@@ -2361,7 +2465,15 @@ allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
h->needs_plt = 0;
}
- if (h->got.refcount > 0)
+ /* If a TLS_IE symbol is now local to the binary, make it a TLS_LE
+ requiring no TLS entry. */
+ if (h->got.refcount > 0
+ && !htab->disable_le_transition
+ && !info->shared
+ && h->dynindx == -1
+ && tilegx_elf_hash_entry(h)->tls_type == GOT_TLS_IE)
+ h->got.offset = (bfd_vma) -1;
+ else if (h->got.refcount > 0)
{
asection *s;
bfd_boolean dyn;
@@ -2543,7 +2655,7 @@ tilegx_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
/* Set the contents of the .interp section to the interpreter. */
if (info->executable)
{
- s = bfd_get_section_by_name (dynobj, ".interp");
+ s = bfd_get_linker_section (dynobj, ".interp");
BFD_ASSERT (s != NULL);
s->size = strlen (htab->dynamic_interpreter) + 1;
s->contents = (unsigned char *) htab->dynamic_interpreter;
@@ -2781,6 +2893,125 @@ tpoff (struct bfd_link_info *info, bfd_vma address)
return (address - htab->tls_sec->vma);
}
+/* Copy SIZE bits from FROM to TO at address ADDR. */
+
+static void
+tilegx_copy_bits (bfd_byte *addr, int from, int to, int size)
+{
+ int i;
+ for (i = 0; i < size; i++)
+ {
+ int from_byte = (from + i) / 8;
+ int from_bit = (from + i) % 8;
+ int to_byte = (to + i) / 8;
+ int to_bit = (to + i) % 8;
+ bfd_byte to_mask = 1 << to_bit;
+ addr[to_byte] = (addr[to_byte] & ~to_mask)
+ | ((addr[from_byte] >> from_bit << to_bit) & to_mask);
+ }
+}
+
+/* Replace the MASK bits in ADDR with those in INSN, for the next
+ TILEGX_BUNDLE_SIZE_IN_BYTES bytes. */
+
+static void
+tilegx_replace_insn (bfd_byte *addr, const bfd_byte *mask,
+ const bfd_byte *insn)
+{
+ int i;
+ for (i = 0; i < TILEGX_BUNDLE_SIZE_IN_BYTES; i++)
+ {
+ addr[i] = (addr[i] & ~mask[i]) | (insn[i] & mask[i]);
+ }
+}
+
+/* Mask to extract the bits corresponding to an instruction in a
+ specific pipe of a bundle. */
+static const bfd_byte insn_mask_X1[] = {
+ 0x00, 0x00, 0x00, 0x80, 0xff, 0xff, 0xff, 0x3f
+};
+
+/* Mask to extract the bits corresponding to an instruction in a
+ specific pipe of a bundle, minus the destination operand and the
+ first source operand. */
+static const bfd_byte insn_mask_X0_no_dest_no_srca[] = {
+ 0x00, 0xf0, 0xff, 0x7f, 0x00, 0x00, 0x00, 0x00
+};
+
+static const bfd_byte insn_mask_X1_no_dest_no_srca[] = {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0xff, 0x3f
+};
+
+static const bfd_byte insn_mask_Y0_no_dest_no_srca[] = {
+ 0x00, 0xf0, 0x0f, 0x78, 0x00, 0x00, 0x00, 0x00
+};
+static const bfd_byte insn_mask_Y1_no_dest_no_srca[] = {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x07, 0x3c
+};
+
+/* Mask to extract the bits corresponding to an instruction in a
+ specific pipe of a bundle, minus the register operands. */
+static const bfd_byte insn_mask_X0_no_operand[] = {
+ 0x00, 0x00, 0xfc, 0x7f, 0x00, 0x00, 0x00, 0x00
+};
+
+static const bfd_byte insn_mask_X1_no_operand[] = {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0x3f
+};
+
+static const bfd_byte insn_mask_Y0_no_operand[] = {
+ 0x00, 0x00, 0x0c, 0x78, 0x00, 0x00, 0x00, 0x00
+};
+
+static const bfd_byte insn_mask_Y1_no_operand[] = {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x3c
+};
+
+/* Various instructions synthesized to support tls references. */
+
+/* ld r0, r0 in the X1 pipe, used for tls ie. */
+static const bfd_byte insn_tls_ie_ld_X1[] = {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0xe8, 0x6a, 0x28
+};
+
+/* ld4s r0, r0 in the X1 pipe, used for tls ie. */
+static const bfd_byte insn_tls_ie_ld4s_X1[] = {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x98, 0x6a, 0x28
+};
+
+/* add r0, r0, tp in various pipes, used for tls ie. */
+static const bfd_byte insn_tls_ie_add_X0X1[] = {
+ 0x00, 0x50, 0x0f, 0x50, 0x00, 0xa8, 0x07, 0x28
+};
+static const bfd_byte insn_tls_ie_add_Y0Y1[] = {
+ 0x00, 0x50, 0x27, 0x2c, 0x00, 0xa8, 0x13, 0x9a
+};
+
+/* addx r0, r0, tp in various pipes, used for tls ie. */
+static const bfd_byte insn_tls_ie_addx_X0X1[] = {
+ 0x00, 0x50, 0x0b, 0x50, 0x00, 0xa8, 0x05, 0x28
+};
+static const bfd_byte insn_tls_ie_addx_Y0Y1[] = {
+ 0x00, 0x50, 0x03, 0x2c, 0x00, 0xa8, 0x01, 0x9a
+};
+
+/* move r0, r0 in various pipes, used for tls gd. */
+static const bfd_byte insn_tls_gd_add_X0X1[] = {
+ 0x00, 0xf0, 0x07, 0x51, 0x00, 0xf8, 0x3b, 0x28
+};
+static const bfd_byte insn_tls_gd_add_Y0Y1[] = {
+ 0x00, 0xf0, 0x0b, 0x54, 0x00, 0xf8, 0x05, 0xae
+};
+
+static const bfd_byte *insn_move_X0X1 = insn_tls_gd_add_X0X1;
+static const bfd_byte *insn_move_Y0Y1 = insn_tls_gd_add_Y0Y1;
+
+static const bfd_byte *insn_add_X0X1 = insn_tls_ie_add_X0X1;
+static const bfd_byte *insn_add_Y0Y1 = insn_tls_ie_add_Y0Y1;
+
+static const bfd_byte *insn_addx_X0X1 = insn_tls_ie_addx_X0X1;
+static const bfd_byte *insn_addx_Y0Y1 = insn_tls_ie_addx_Y0Y1;
+
/* Relocate an TILEGX ELF section.
The RELOCATE_SECTION function is called by the new ELF backend linker
@@ -2845,6 +3076,7 @@ tilegx_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
for (; rel < relend; rel++)
{
int r_type, tls_type;
+ bfd_boolean is_tls_iele, is_tls_le;
reloc_howto_type *howto;
unsigned long r_symndx;
struct elf_link_hash_entry *h;
@@ -2908,9 +3140,9 @@ tilegx_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
}
}
- if (sec != NULL && elf_discarded_section (sec))
+ if (sec != NULL && discarded_section (sec))
RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
- rel, relend, howto, contents);
+ rel, 1, relend, howto, 0, contents);
if (info->relocatable)
continue;
@@ -2927,20 +3159,203 @@ tilegx_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
switch (r_type)
{
+ case R_TILEGX_TLS_GD_CALL:
+ case R_TILEGX_IMM8_X0_TLS_GD_ADD:
+ case R_TILEGX_IMM8_Y0_TLS_GD_ADD:
+ case R_TILEGX_IMM8_X1_TLS_GD_ADD:
+ case R_TILEGX_IMM8_Y1_TLS_GD_ADD:
+ case R_TILEGX_IMM8_X0_TLS_ADD:
+ case R_TILEGX_IMM8_Y0_TLS_ADD:
+ case R_TILEGX_IMM8_X1_TLS_ADD:
+ case R_TILEGX_IMM8_Y1_TLS_ADD:
+ tls_type = GOT_UNKNOWN;
+ if (h == NULL && local_got_offsets)
+ tls_type =
+ _bfd_tilegx_elf_local_got_tls_type (input_bfd) [r_symndx];
+ else if (h != NULL)
+ tls_type = tilegx_elf_hash_entry(h)->tls_type;
+
+ is_tls_iele = (! info->shared || tls_type == GOT_TLS_IE);
+ is_tls_le = is_tls_iele && (!input_section->sec_flg0
+ && !info->shared
+ && (h == NULL || h->dynindx == -1));
+
+ if (r_type == R_TILEGX_TLS_GD_CALL)
+ {
+ if (is_tls_le)
+ {
+ /* GD -> LE */
+ tilegx_replace_insn (contents + rel->r_offset,
+ insn_mask_X1, insn_move_X0X1);
+ continue;
+ }
+ else if (is_tls_iele)
+ {
+ /* GD -> IE */
+ if (ABI_64_P (output_bfd))
+ tilegx_replace_insn (contents + rel->r_offset,
+ insn_mask_X1, insn_tls_ie_ld_X1);
+ else
+ tilegx_replace_insn (contents + rel->r_offset,
+ insn_mask_X1, insn_tls_ie_ld4s_X1);
+ continue;
+ }
+
+ /* GD -> GD */
+ h = (struct elf_link_hash_entry *)
+ bfd_link_hash_lookup (info->hash, "__tls_get_addr", FALSE,
+ FALSE, TRUE);
+ BFD_ASSERT (h != NULL);
+ r_type = R_TILEGX_JUMPOFF_X1_PLT;
+ howto = tilegx_elf_howto_table + r_type;
+ }
+ else if (r_type == R_TILEGX_IMM8_X0_TLS_ADD
+ || r_type == R_TILEGX_IMM8_X1_TLS_ADD
+ || r_type == R_TILEGX_IMM8_Y0_TLS_ADD
+ || r_type == R_TILEGX_IMM8_Y1_TLS_ADD)
+ {
+ bfd_boolean is_pipe0 =
+ (r_type == R_TILEGX_IMM8_X0_TLS_ADD
+ || r_type == R_TILEGX_IMM8_Y0_TLS_ADD);
+ bfd_boolean is_X0X1 =
+ (r_type == R_TILEGX_IMM8_X0_TLS_ADD
+ || r_type == R_TILEGX_IMM8_X1_TLS_ADD);
+ int dest_begin = is_pipe0 ? 0 : 31;
+ int src_begin;
+ const bfd_byte *insn;
+ const bfd_byte *mask = NULL;
+
+ if (is_tls_le)
+ {
+ /* 1. copy dest operand into the first source operand.
+ 2. change the opcode to "move". */
+ src_begin = is_pipe0 ? 6 : 37;
+ insn = is_X0X1 ? insn_move_X0X1 : insn_move_Y0Y1;
+
+ switch (r_type)
+ {
+ case R_TILEGX_IMM8_X0_TLS_ADD:
+ mask = insn_mask_X0_no_dest_no_srca;
+ break;
+ case R_TILEGX_IMM8_X1_TLS_ADD:
+ mask = insn_mask_X1_no_dest_no_srca;
+ break;
+ case R_TILEGX_IMM8_Y0_TLS_ADD:
+ mask = insn_mask_Y0_no_dest_no_srca;
+ break;
+ case R_TILEGX_IMM8_Y1_TLS_ADD:
+ mask = insn_mask_Y1_no_dest_no_srca;
+ break;
+ }
+ }
+ else
+ {
+ /* 1. copy dest operand into the second source operand.
+ 2. change the opcode to "add". */
+ src_begin = is_pipe0 ? 12 : 43;
+ if (ABI_64_P (output_bfd))
+ insn = is_X0X1 ? insn_add_X0X1 : insn_add_Y0Y1;
+ else
+ insn = is_X0X1 ? insn_addx_X0X1 : insn_addx_Y0Y1;
+
+ switch (r_type)
+ {
+ case R_TILEGX_IMM8_X0_TLS_ADD:
+ mask = insn_mask_X0_no_operand;
+ break;
+ case R_TILEGX_IMM8_X1_TLS_ADD:
+ mask = insn_mask_X1_no_operand;
+ break;
+ case R_TILEGX_IMM8_Y0_TLS_ADD:
+ mask = insn_mask_Y0_no_operand;
+ break;
+ case R_TILEGX_IMM8_Y1_TLS_ADD:
+ mask = insn_mask_Y1_no_operand;
+ break;
+ }
+ }
+
+ tilegx_copy_bits (contents + rel->r_offset, dest_begin,
+ src_begin, 6);
+ tilegx_replace_insn (contents + rel->r_offset, mask, insn);
+
+ continue;
+ }
+ else
+ {
+ const bfd_byte *mask = NULL;
+ const bfd_byte *add_insn = NULL;
+ bfd_boolean is_64bit = ABI_64_P (output_bfd);
+
+ switch (r_type)
+ {
+ case R_TILEGX_IMM8_X0_TLS_GD_ADD:
+ add_insn = is_tls_iele
+ ? (is_64bit ? insn_tls_ie_add_X0X1 : insn_tls_ie_addx_X0X1)
+ : insn_tls_gd_add_X0X1;
+ mask = insn_mask_X0_no_dest_no_srca;
+ break;
+ case R_TILEGX_IMM8_X1_TLS_GD_ADD:
+ add_insn = is_tls_iele
+ ? (is_64bit ? insn_tls_ie_add_X0X1 : insn_tls_ie_addx_X0X1)
+ : insn_tls_gd_add_X0X1;
+ mask = insn_mask_X1_no_dest_no_srca;
+ break;
+ case R_TILEGX_IMM8_Y0_TLS_GD_ADD:
+ add_insn = is_tls_iele
+ ? (is_64bit ? insn_tls_ie_add_Y0Y1 : insn_tls_ie_addx_Y0Y1)
+ : insn_tls_gd_add_Y0Y1;
+ mask = insn_mask_Y0_no_dest_no_srca;
+ break;
+ case R_TILEGX_IMM8_Y1_TLS_GD_ADD:
+ add_insn = is_tls_iele
+ ? (is_64bit ? insn_tls_ie_add_Y0Y1 : insn_tls_ie_addx_Y0Y1)
+ : insn_tls_gd_add_Y0Y1;
+ mask = insn_mask_Y1_no_dest_no_srca;
+ break;
+ }
+
+ tilegx_replace_insn (contents + rel->r_offset, mask, add_insn);
+
+ continue;
+ }
+ break;
+ case R_TILEGX_TLS_IE_LOAD:
+ if (!input_section->sec_flg0
+ && !info->shared
+ && (h == NULL || h->dynindx == -1))
+ {
+ /* IE -> LE */
+ tilegx_replace_insn (contents + rel->r_offset,
+ insn_mask_X1_no_dest_no_srca,
+ insn_move_X0X1);
+ }
+ else
+ {
+ /* IE -> IE */
+ if (ABI_64_P (output_bfd))
+ tilegx_replace_insn (contents + rel->r_offset,
+ insn_mask_X1_no_dest_no_srca,
+ insn_tls_ie_ld_X1);
+ else
+ tilegx_replace_insn (contents + rel->r_offset,
+ insn_mask_X1_no_dest_no_srca,
+ insn_tls_ie_ld4s_X1);
+ }
+ continue;
+ break;
+ default:
+ break;
+ }
+
+ switch (r_type)
+ {
case R_TILEGX_IMM16_X0_HW0_GOT:
case R_TILEGX_IMM16_X1_HW0_GOT:
- case R_TILEGX_IMM16_X0_HW1_GOT:
- case R_TILEGX_IMM16_X1_HW1_GOT:
- case R_TILEGX_IMM16_X0_HW2_GOT:
- case R_TILEGX_IMM16_X1_HW2_GOT:
- case R_TILEGX_IMM16_X0_HW3_GOT:
- case R_TILEGX_IMM16_X1_HW3_GOT:
case R_TILEGX_IMM16_X0_HW0_LAST_GOT:
case R_TILEGX_IMM16_X1_HW0_LAST_GOT:
case R_TILEGX_IMM16_X0_HW1_LAST_GOT:
case R_TILEGX_IMM16_X1_HW1_LAST_GOT:
- case R_TILEGX_IMM16_X0_HW2_LAST_GOT:
- case R_TILEGX_IMM16_X1_HW2_LAST_GOT:
/* Relocation is to the entry for this symbol in the global
offset table. */
if (htab->elf.sgot == NULL)
@@ -3248,92 +3663,83 @@ tilegx_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
}
break;
+ case R_TILEGX_IMM16_X0_HW0_TLS_LE:
+ case R_TILEGX_IMM16_X1_HW0_TLS_LE:
+ case R_TILEGX_IMM16_X0_HW0_LAST_TLS_LE:
+ case R_TILEGX_IMM16_X1_HW0_LAST_TLS_LE:
+ case R_TILEGX_IMM16_X0_HW1_LAST_TLS_LE:
+ case R_TILEGX_IMM16_X1_HW1_LAST_TLS_LE:
+ if (info->shared)
+ {
+ Elf_Internal_Rela outrel;
+ bfd_boolean skip;
+
+ BFD_ASSERT (sreloc != NULL);
+ skip = FALSE;
+ outrel.r_offset =
+ _bfd_elf_section_offset (output_bfd, info, input_section,
+ rel->r_offset);
+ if (outrel.r_offset == (bfd_vma) -1)
+ skip = TRUE;
+ else if (outrel.r_offset == (bfd_vma) -2)
+ skip = TRUE;
+ outrel.r_offset += (input_section->output_section->vma
+ + input_section->output_offset);
+ if (skip)
+ memset (&outrel, 0, sizeof outrel);
+ else
+ {
+ outrel.r_info = TILEGX_ELF_R_INFO (htab, NULL, 0, r_type);
+ outrel.r_addend = relocation - dtpoff_base (info)
+ + rel->r_addend;
+ }
+
+ tilegx_elf_append_rela (output_bfd, sreloc, &outrel);
+ continue;
+ }
+ relocation = tpoff (info, relocation);
+ break;
+
case R_TILEGX_IMM16_X0_HW0_TLS_GD:
case R_TILEGX_IMM16_X1_HW0_TLS_GD:
- case R_TILEGX_IMM16_X0_HW1_TLS_GD:
- case R_TILEGX_IMM16_X1_HW1_TLS_GD:
- case R_TILEGX_IMM16_X0_HW2_TLS_GD:
- case R_TILEGX_IMM16_X1_HW2_TLS_GD:
- case R_TILEGX_IMM16_X0_HW3_TLS_GD:
- case R_TILEGX_IMM16_X1_HW3_TLS_GD:
case R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD:
case R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD:
case R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD:
case R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD:
- case R_TILEGX_IMM16_X0_HW2_LAST_TLS_GD:
- case R_TILEGX_IMM16_X1_HW2_LAST_TLS_GD:
- tls_type = GOT_TLS_GD;
- goto have_tls_reference;
-
case R_TILEGX_IMM16_X0_HW0_TLS_IE:
case R_TILEGX_IMM16_X1_HW0_TLS_IE:
- case R_TILEGX_IMM16_X0_HW1_TLS_IE:
- case R_TILEGX_IMM16_X1_HW1_TLS_IE:
- case R_TILEGX_IMM16_X0_HW2_TLS_IE:
- case R_TILEGX_IMM16_X1_HW2_TLS_IE:
- case R_TILEGX_IMM16_X0_HW3_TLS_IE:
- case R_TILEGX_IMM16_X1_HW3_TLS_IE:
case R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE:
case R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE:
case R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE:
case R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE:
- case R_TILEGX_IMM16_X0_HW2_LAST_TLS_IE:
- case R_TILEGX_IMM16_X1_HW2_LAST_TLS_IE:
- tls_type = GOT_TLS_IE;
- /* Fall through. */
-
- have_tls_reference:
+ r_type = tilegx_elf_tls_transition (info, r_type, h == NULL,
+ input_section->sec_flg0);
+ tls_type = GOT_UNKNOWN;
if (h == NULL && local_got_offsets)
- tls_type = _bfd_tilegx_elf_local_got_tls_type (input_bfd) [r_symndx];
+ tls_type =
+ _bfd_tilegx_elf_local_got_tls_type (input_bfd) [r_symndx];
else if (h != NULL)
- tls_type = tilegx_elf_hash_entry(h)->tls_type;
+ {
+ tls_type = tilegx_elf_hash_entry(h)->tls_type;
+ if (!info->shared && h->dynindx == -1 && tls_type == GOT_TLS_IE)
+ r_type = (!input_section->sec_flg0
+ ? tilegx_tls_translate_to_le (r_type)
+ : tilegx_tls_translate_to_ie (r_type));
+ }
if (tls_type == GOT_TLS_IE)
- switch (r_type)
- {
- case R_TILEGX_IMM16_X0_HW0_TLS_GD:
- r_type = R_TILEGX_IMM16_X0_HW0_TLS_IE;
- break;
- case R_TILEGX_IMM16_X1_HW0_TLS_GD:
- r_type = R_TILEGX_IMM16_X1_HW0_TLS_IE;
- break;
- case R_TILEGX_IMM16_X0_HW1_TLS_GD:
- r_type = R_TILEGX_IMM16_X0_HW1_TLS_IE;
- break;
- case R_TILEGX_IMM16_X1_HW1_TLS_GD:
- r_type = R_TILEGX_IMM16_X1_HW1_TLS_IE;
- break;
- case R_TILEGX_IMM16_X0_HW2_TLS_GD:
- r_type = R_TILEGX_IMM16_X0_HW2_TLS_IE;
- break;
- case R_TILEGX_IMM16_X1_HW2_TLS_GD:
- r_type = R_TILEGX_IMM16_X1_HW2_TLS_IE;
- break;
- case R_TILEGX_IMM16_X0_HW3_TLS_GD:
- r_type = R_TILEGX_IMM16_X0_HW3_TLS_IE;
- break;
- case R_TILEGX_IMM16_X1_HW3_TLS_GD:
- r_type = R_TILEGX_IMM16_X1_HW3_TLS_IE;
- break;
- case R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD:
- r_type = R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE;
- break;
- case R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD:
- r_type = R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE;
- break;
- case R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD:
- r_type = R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE;
- break;
- case R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD:
- r_type = R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE;
- break;
- case R_TILEGX_IMM16_X0_HW2_LAST_TLS_GD:
- r_type = R_TILEGX_IMM16_X0_HW2_LAST_TLS_IE;
- break;
- case R_TILEGX_IMM16_X1_HW2_LAST_TLS_GD:
- r_type = R_TILEGX_IMM16_X1_HW2_LAST_TLS_IE;
- break;
- }
+ r_type = tilegx_tls_translate_to_ie (r_type);
+
+ if (r_type == R_TILEGX_IMM16_X0_HW0_TLS_LE
+ || r_type == R_TILEGX_IMM16_X1_HW0_TLS_LE
+ || r_type == R_TILEGX_IMM16_X0_HW0_LAST_TLS_LE
+ || r_type == R_TILEGX_IMM16_X1_HW0_LAST_TLS_LE
+ || r_type == R_TILEGX_IMM16_X0_HW1_LAST_TLS_LE
+ || r_type == R_TILEGX_IMM16_X1_HW1_LAST_TLS_LE)
+ {
+ relocation = tpoff (info, relocation);
+ break;
+ }
if (h != NULL)
{
@@ -3386,18 +3792,10 @@ tilegx_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
{
case R_TILEGX_IMM16_X0_HW0_TLS_IE:
case R_TILEGX_IMM16_X1_HW0_TLS_IE:
- case R_TILEGX_IMM16_X0_HW1_TLS_IE:
- case R_TILEGX_IMM16_X1_HW1_TLS_IE:
- case R_TILEGX_IMM16_X0_HW2_TLS_IE:
- case R_TILEGX_IMM16_X1_HW2_TLS_IE:
- case R_TILEGX_IMM16_X0_HW3_TLS_IE:
- case R_TILEGX_IMM16_X1_HW3_TLS_IE:
case R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE:
case R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE:
case R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE:
case R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE:
- case R_TILEGX_IMM16_X0_HW2_LAST_TLS_IE:
- case R_TILEGX_IMM16_X1_HW2_LAST_TLS_IE:
if (need_relocs) {
TILEGX_ELF_PUT_WORD (htab, output_bfd, 0,
htab->elf.sgot->contents + off);
@@ -3418,18 +3816,10 @@ tilegx_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
case R_TILEGX_IMM16_X0_HW0_TLS_GD:
case R_TILEGX_IMM16_X1_HW0_TLS_GD:
- case R_TILEGX_IMM16_X0_HW1_TLS_GD:
- case R_TILEGX_IMM16_X1_HW1_TLS_GD:
- case R_TILEGX_IMM16_X0_HW2_TLS_GD:
- case R_TILEGX_IMM16_X1_HW2_TLS_GD:
- case R_TILEGX_IMM16_X0_HW3_TLS_GD:
- case R_TILEGX_IMM16_X1_HW3_TLS_GD:
case R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD:
case R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD:
case R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD:
case R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD:
- case R_TILEGX_IMM16_X0_HW2_LAST_TLS_GD:
- case R_TILEGX_IMM16_X1_HW2_LAST_TLS_GD:
if (need_relocs) {
outrel.r_offset = (htab->elf.sgot->output_section->vma
+ htab->elf.sgot->output_offset + off);
@@ -3726,8 +4116,7 @@ tilegx_elf_finish_dynamic_symbol (bfd *output_bfd,
/* This symbols needs a copy reloc. Set it up. */
BFD_ASSERT (h->dynindx != -1);
- s = bfd_get_section_by_name (h->root.u.def.section->owner,
- ".rela.bss");
+ s = htab->srelbss;
BFD_ASSERT (s != NULL);
rela.r_offset = (h->root.u.def.value
@@ -3806,14 +4195,14 @@ tilegx_elf_finish_dynamic_sections (bfd *output_bfd,
BFD_ASSERT (htab != NULL);
dynobj = htab->elf.dynobj;
- sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
+ sdyn = bfd_get_linker_section (dynobj, ".dynamic");
if (elf_hash_table (info)->dynamic_sections_created)
{
asection *splt;
bfd_boolean ret;
- splt = bfd_get_section_by_name (dynobj, ".plt");
+ splt = htab->elf.splt;
BFD_ASSERT (splt != NULL && sdyn != NULL);
ret = tilegx_finish_dyn (output_bfd, info, dynobj, sdyn, splt);
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