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2011-12-10 David Daney <david.daney@cavium.com>

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* elfxx-mips.c (mips_elf_link_hash_table.rld_value): Remove.
	(mips_elf_link_hash_table.rld_symbol): New field;
	(MIPS_ELF_RLD_MAP_SIZE): New macro.
	(_bfd_mips_elf_add_symbol_hook): Remember __rld_obj_head symbol
	in rld_symbol.
	(_bfd_mips_elf_create_dynamic_sections): Remember __rld_map symbol
	in rld_symbol.
	(_bfd_mips_elf_size_dynamic_sections): Set correct size for .rld_map.
	(_bfd_mips_elf_finish_dynamic_symbol): Remove .rld_map handling.
	(_bfd_mips_elf_finish_dynamic_sections): Use rld_symbol to
	calculate DT_MIPS_RLD_MAP value.
	(_bfd_mips_elf_link_hash_table_create): Initialize rld_symbol,
	quit initializing rld_value.
This commit is contained in:
David Daney 2011-12-11 02:05:40 +00:00
parent b39f07ab20
commit b4082c7000
2 changed files with 39 additions and 30 deletions
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16
bfd/ChangeLog
View file

@ -1,3 +1,19 @@
2011-12-10 David Daney <david.daney@cavium.com>
* elfxx-mips.c (mips_elf_link_hash_table.rld_value): Remove.
(mips_elf_link_hash_table.rld_symbol): New field;
(MIPS_ELF_RLD_MAP_SIZE): New macro.
(_bfd_mips_elf_add_symbol_hook): Remember __rld_obj_head symbol
in rld_symbol.
(_bfd_mips_elf_create_dynamic_sections): Remember __rld_map symbol
in rld_symbol.
(_bfd_mips_elf_size_dynamic_sections): Set correct size for .rld_map.
(_bfd_mips_elf_finish_dynamic_symbol): Remove .rld_map handling.
(_bfd_mips_elf_finish_dynamic_sections): Use rld_symbol to
calculate DT_MIPS_RLD_MAP value.
(_bfd_mips_elf_link_hash_table_create): Initialize rld_symbol,
quit initializing rld_value.
2011-12-08 Andrew Pinski <apinski@cavium.com>
Adam Nemet <anemet@caviumnetworks.com>

53
bfd/elfxx-mips.c
View file

@ -436,8 +436,8 @@ struct mips_elf_link_hash_table
entry is set to the address of __rld_obj_head as in IRIX5. */
bfd_boolean use_rld_obj_head;
/* This is the value of the __rld_map or __rld_obj_head symbol. */
bfd_vma rld_value;
/* The __rld_map or __rld_obj_head symbol. */
struct elf_link_hash_entry *rld_symbol;
/* This is set if we see any mips16 stub sections. */
bfd_boolean mips16_stubs_seen;
@ -768,6 +768,10 @@ static bfd *reldyn_sorting_bfd;
#define MIPS_ELF_GOT_SIZE(abfd) \
(get_elf_backend_data (abfd)->s->arch_size / 8)
/* The size of the .rld_map section. */
#define MIPS_ELF_RLD_MAP_SIZE(abfd) \
(get_elf_backend_data (abfd)->s->arch_size / 8)
/* The size of a symbol-table entry. */
#define MIPS_ELF_SYM_SIZE(abfd) \
(get_elf_backend_data (abfd)->s->sizeof_sym)
@ -7082,6 +7086,7 @@ _bfd_mips_elf_add_symbol_hook (bfd *abfd, struct bfd_link_info *info,
return FALSE;
mips_elf_hash_table (info)->use_rld_obj_head = TRUE;
mips_elf_hash_table (info)->rld_symbol = h;
}
/* If this is a mips16 text symbol, add 1 to the value to make it
@ -7267,6 +7272,7 @@ _bfd_mips_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
if (! bfd_elf_link_record_dynamic_symbol (info, h))
return FALSE;
mips_elf_hash_table (info)->rld_symbol = h;
}
}
@ -9028,7 +9034,7 @@ _bfd_mips_elf_size_dynamic_sections (bfd *output_bfd,
{
/* We add a room for __rld_map. It will be filled in by the
rtld to contain a pointer to the _r_debug structure. */
s->size += 4;
s->size += MIPS_ELF_RLD_MAP_SIZE (output_bfd);
}
else if (SGI_COMPAT (output_bfd)
&& CONST_STRNEQ (name, ".compact_rel"))
@ -10031,31 +10037,6 @@ _bfd_mips_elf_finish_dynamic_symbol (bfd *output_bfd,
if (IRIX_COMPAT (output_bfd) == ict_irix6)
mips_elf_irix6_finish_dynamic_symbol (output_bfd, name, sym);
if (! info->shared)
{
if (! mips_elf_hash_table (info)->use_rld_obj_head
&& (strcmp (name, "__rld_map") == 0
|| strcmp (name, "__RLD_MAP") == 0))
{
asection *s = bfd_get_section_by_name (dynobj, ".rld_map");
BFD_ASSERT (s != NULL);
sym->st_value = s->output_section->vma + s->output_offset;
bfd_put_32 (output_bfd, 0, s->contents);
if (mips_elf_hash_table (info)->rld_value == 0)
mips_elf_hash_table (info)->rld_value = sym->st_value;
}
else if (mips_elf_hash_table (info)->use_rld_obj_head
&& strcmp (name, "__rld_obj_head") == 0)
{
/* IRIX6 does not use a .rld_map section. */
if (IRIX_COMPAT (output_bfd) == ict_irix5
|| IRIX_COMPAT (output_bfd) == ict_none)
BFD_ASSERT (bfd_get_section_by_name (dynobj, ".rld_map")
!= NULL);
mips_elf_hash_table (info)->rld_value = sym->st_value;
}
}
/* Keep dynamic MIPS16 symbols odd. This allows the dynamic linker to
treat MIPS16 symbols like any other. */
if (ELF_ST_IS_MIPS16 (sym->st_other))
@ -10518,7 +10499,19 @@ _bfd_mips_elf_finish_dynamic_sections (bfd *output_bfd,
break;
case DT_MIPS_RLD_MAP:
dyn.d_un.d_ptr = mips_elf_hash_table (info)->rld_value;
{
struct elf_link_hash_entry *h;
h = mips_elf_hash_table (info)->rld_symbol;
if (!h)
{
dyn_to_skip = MIPS_ELF_DYN_SIZE (dynobj);
swap_out_p = FALSE;
break;
}
s = h->root.u.def.section;
dyn.d_un.d_ptr = (s->output_section->vma + s->output_offset
+ h->root.u.def.value);
}
break;
case DT_MIPS_OPTIONS:
@ -12801,7 +12794,7 @@ _bfd_mips_elf_link_hash_table_create (bfd *abfd)
ret->procedure_count = 0;
ret->compact_rel_size = 0;
ret->use_rld_obj_head = FALSE;
ret->rld_value = 0;
ret->rld_symbol = NULL;
ret->mips16_stubs_seen = FALSE;
ret->use_plts_and_copy_relocs = FALSE;
ret->is_vxworks = FALSE;