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bfd/

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* libbfd-in.h (_bfd_generic_new_section_hook): Declare.
	* section.c (bfd_abs_symbol, bfd_com_symbol): Delete.
	(bfd_und_symbol, bfd_ind_symbol): Delete.
	(BFD_FAKE_SECTION): Remove SYM_PTR param, set symbol_ptr_ptr to
	&SEC.symbol.
	(STD_SECTION): Adjust.
	(_bfd_generic_new_section_hook): New function, extracted from..
	(bfd_section_init): ..here.
	(bfd_make_section_old_way): Call new_section_hook for abs, com,
	und and ind sections.
	* elf.c (_bfd_elf_large_com_section): Adjust.
	* aoutx.h (new_section_hook): Call _bfd_generic_new_section_hook.
	* pdp11.c (new_section_hook): Likewise.
	* coffcode.h (coff_new_section_hook): Likewise.
	* ecoff.c (_bfd_ecoff_new_section_hook): Likewise.
	* elf.c (_bfd_elf_new_section_hook): Likewise.
	* vms.c (vms_new_section_hook): Likwise.
	* elf32-arm.c (elf32_arm_new_section_hook): Check used_by_bfd isn't
	already set.
	* elf32-sh64.c (sh64_elf_new_section_hook): Likewise.
	* elf32-xtensa.c (elf_xtensa_new_section_hook): Likewise.
	* elf64-mmix.c (mmix_elf_new_section_hook): Likewise.
	* elf64-ppc.c (ppc64_elf_new_section_hook): Likewise.
	* elfxx-mips.c (_bfd_mips_elf_new_section_hook): Likewise.
	* elfxx-sparc.c (_bfd_sparc_elf_new_section_hook): Likewise.
	* ieee.c (ieee_new_section_hook): Likewise.  Call
	_bfd_generic_new_section_hook too.
	* mmo.c (mmo_new_section_hook): Likewise.
	* oasys.c (oasys_new_section_hook): Likewise.
	* som.c (som_new_section_hook): Likewise.
	* coff-w65.c (reloc_processing): Don't use bfd_abs_symbol.
	* bfd-in2.h: Regenerate.
	* libbfd.h: Regenerate.
gas/
	* subsegs.c (subseg_get): Don't call obj_sec_set_private_data.
	* config/obj-elf.h (obj_sec_set_private_data): Delete.
	* config/tc-hppa.c (tc_gen_reloc): Don't use bfd_abs_symbol.
	* config/tc-mn10300.c (tc_gen_reloc): Likewise.
This commit is contained in:
Alan Modra
2006-05-03 14:26:41 +00:00
parent 81fc501adb
commit f592407e4d
28 changed files with 265 additions and 208 deletions
Download Patch File Download Diff File Expand all files Collapse all files

113
bfd/section.c
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@@ -540,11 +540,6 @@ CODE_FRAGMENT
. || ((SEC) == bfd_com_section_ptr) \
. || ((SEC) == bfd_ind_section_ptr))
.
.extern const struct bfd_symbol * const bfd_abs_symbol;
.extern const struct bfd_symbol * const bfd_com_symbol;
.extern const struct bfd_symbol * const bfd_und_symbol;
.extern const struct bfd_symbol * const bfd_ind_symbol;
.
.{* Macros to handle insertion and deletion of a bfd's sections. These
. only handle the list pointers, ie. do not adjust section_count,
. target_index etc. *}
@@ -635,7 +630,7 @@ CODE_FRAGMENT
.#define bfd_section_removed_from_list(ABFD, S) \
. ((S)->next == NULL ? (ABFD)->section_last != (S) : (S)->next->prev != (S))
.
.#define BFD_FAKE_SECTION(SEC, FLAGS, SYM, SYM_PTR, NAME, IDX) \
.#define BFD_FAKE_SECTION(SEC, FLAGS, SYM, NAME, IDX) \
. {* name, id, index, next, prev, flags, user_set_vma, *} \
. { NAME, IDX, 0, NULL, NULL, FLAGS, 0, \
. \
@@ -666,11 +661,8 @@ CODE_FRAGMENT
. {* target_index, used_by_bfd, constructor_chain, owner, *} \
. 0, NULL, NULL, NULL, \
. \
. {* symbol, *} \
. (struct bfd_symbol *) SYM, \
. \
. {* symbol_ptr_ptr, *} \
. (struct bfd_symbol **) SYM_PTR, \
. {* symbol, symbol_ptr_ptr, *} \
. (struct bfd_symbol *) SYM, &SEC.symbol, \
. \
. {* map_head, map_tail *} \
. { NULL }, { NULL } \
@@ -701,16 +693,14 @@ static const asymbol global_syms[] =
GLOBAL_SYM_INIT (BFD_IND_SECTION_NAME, &bfd_ind_section)
};
#define STD_SECTION(SEC, FLAGS, SYM, NAME, IDX) \
const asymbol * const SYM = (asymbol *) &global_syms[IDX]; \
asection SEC = BFD_FAKE_SECTION(SEC, FLAGS, &global_syms[IDX], &SYM, \
#define STD_SECTION(SEC, FLAGS, NAME, IDX) \
asection SEC = BFD_FAKE_SECTION(SEC, FLAGS, &global_syms[IDX], \
NAME, IDX)
STD_SECTION (bfd_com_section, SEC_IS_COMMON, bfd_com_symbol,
BFD_COM_SECTION_NAME, 0);
STD_SECTION (bfd_und_section, 0, bfd_und_symbol, BFD_UND_SECTION_NAME, 1);
STD_SECTION (bfd_abs_section, 0, bfd_abs_symbol, BFD_ABS_SECTION_NAME, 2);
STD_SECTION (bfd_ind_section, 0, bfd_ind_symbol, BFD_IND_SECTION_NAME, 3);
STD_SECTION (bfd_com_section, SEC_IS_COMMON, BFD_COM_SECTION_NAME, 0);
STD_SECTION (bfd_und_section, 0, BFD_UND_SECTION_NAME, 1);
STD_SECTION (bfd_abs_section, 0, BFD_ABS_SECTION_NAME, 2);
STD_SECTION (bfd_ind_section, 0, BFD_IND_SECTION_NAME, 3);
#undef STD_SECTION
/* Initialize an entry in the section hash table. */
@@ -743,6 +733,26 @@ bfd_section_hash_newfunc (struct bfd_hash_entry *entry,
((struct section_hash_entry *) \
bfd_hash_lookup ((table), (string), (create), (copy)))
/* Create a symbol whose only job is to point to this section. This
is useful for things like relocs which are relative to the base
of a section. */
bfd_boolean
_bfd_generic_new_section_hook (bfd *abfd, asection *newsect)
{
newsect->symbol = bfd_make_empty_symbol (abfd);
if (newsect->symbol == NULL)
return FALSE;
newsect->symbol->name = newsect->name;
newsect->symbol->value = 0;
newsect->symbol->section = newsect;
newsect->symbol->flags = BSF_SECTION_SYM;
newsect->symbol_ptr_ptr = &newsect->symbol;
return TRUE;
}
/* Initializes a new section. NEWSECT->NAME is already set. */
static asection *
@@ -754,20 +764,6 @@ bfd_section_init (bfd *abfd, asection *newsect)
newsect->index = abfd->section_count;
newsect->owner = abfd;
/* Create a symbol whose only job is to point to this section. This
is useful for things like relocs which are relative to the base
of a section. */
newsect->symbol = bfd_make_empty_symbol (abfd);
if (newsect->symbol == NULL)
return NULL;
newsect->symbol->name = newsect->name;
newsect->symbol->value = 0;
newsect->symbol->section = newsect;
newsect->symbol->flags = BSF_SECTION_SYM;
newsect->symbol_ptr_ptr = &newsect->symbol;
if (! BFD_SEND (abfd, _new_section_hook, (abfd, newsect)))
return NULL;
@@ -964,7 +960,6 @@ DESCRIPTION
asection *
bfd_make_section_old_way (bfd *abfd, const char *name)
{
struct section_hash_entry *sh;
asection *newsect;
if (abfd->output_has_begun)
@@ -974,30 +969,38 @@ bfd_make_section_old_way (bfd *abfd, const char *name)
}
if (strcmp (name, BFD_ABS_SECTION_NAME) == 0)
return bfd_abs_section_ptr;
if (strcmp (name, BFD_COM_SECTION_NAME) == 0)
return bfd_com_section_ptr;
if (strcmp (name, BFD_UND_SECTION_NAME) == 0)
return bfd_und_section_ptr;
if (strcmp (name, BFD_IND_SECTION_NAME) == 0)
return bfd_ind_section_ptr;
sh = section_hash_lookup (&abfd->section_htab, name, TRUE, FALSE);
if (sh == NULL)
return NULL;
newsect = &sh->section;
if (newsect->name != NULL)
newsect = bfd_abs_section_ptr;
else if (strcmp (name, BFD_COM_SECTION_NAME) == 0)
newsect = bfd_com_section_ptr;
else if (strcmp (name, BFD_UND_SECTION_NAME) == 0)
newsect = bfd_und_section_ptr;
else if (strcmp (name, BFD_IND_SECTION_NAME) == 0)
newsect = bfd_ind_section_ptr;
else
{
/* Section already exists. */
return newsect;
struct section_hash_entry *sh;
sh = section_hash_lookup (&abfd->section_htab, name, TRUE, FALSE);
if (sh == NULL)
return NULL;
newsect = &sh->section;
if (newsect->name != NULL)
{
/* Section already exists. */
return newsect;
}
newsect->name = name;
return bfd_section_init (abfd, newsect);
}
newsect->name = name;
return bfd_section_init (abfd, newsect);
/* Call new_section_hook when "creating" the standard abs, com, und
and ind sections to tack on format specific section data.
Also, create a proper section symbol. */
if (! BFD_SEND (abfd, _new_section_hook, (abfd, newsect)))
return NULL;
return newsect;
}
/*