CODE_FRAGMENT
.
-.{* This structure is used for a comdat section, as in PE. A comdat
-. section is associated with a particular symbol. When the linker
-. sees a comdat section, it keeps only one of the sections with a
-. given name and associated with a given symbol. *}
-.
-.struct bfd_comdat_info
-.{
-. {* The name of the symbol associated with a comdat section. *}
-. const char *name;
-.
-. {* The local symbol table index of the symbol associated with a
-. comdat section. This is only meaningful to the object file format
-. specific code; it is not an index into the list returned by
-. bfd_canonicalize_symtab. *}
-. long symbol;
-.};
-.
.typedef struct bfd_section
.{
. {* The name of the section; the name isn't a copy, the pointer is
. {* See the vma field. *}
. unsigned int user_set_vma : 1;
.
-. {* Whether relocations have been processed. *}
-. unsigned int reloc_done : 1;
-.
. {* A mark flag used by some of the linker backends. *}
. unsigned int linker_mark : 1;
.
. unsigned int use_rela_p:1;
.
. {* Bits used by various backends. *}
-. unsigned int has_tls_reloc:1;
.
-. {* Nonzero if this section needs the relax finalize pass. *}
-. unsigned int need_finalize_relax:1;
+. {* Nonzero if this section has TLS related relocations. *}
+. unsigned int has_tls_reloc:1;
.
. {* Nonzero if this section has a gp reloc. *}
. unsigned int has_gp_reloc:1;
.
-. {* Unused bits. *}
-. unsigned int flag13:1;
-. unsigned int flag14:1;
-. unsigned int flag15:1;
-. unsigned int flag16:4;
-. unsigned int flag20:4;
-. unsigned int flag24:8;
+. {* Nonzero if this section needs the relax finalize pass. *}
+. unsigned int need_finalize_relax:1;
+.
+. {* Whether relocations have been processed. *}
+. unsigned int reloc_done : 1;
.
. {* End of internal packed boolean fields. *}
.
.
. {* The size of the section in octets, as it will be output.
. Contains a value even if the section has no contents (e.g., the
-. size of <<.bss>>). This will be filled in after relocation. *}
-. bfd_size_type _cooked_size;
-.
-. {* The original size on disk of the section, in octets. Normally this
-. value is the same as the size, but if some relaxing has
-. been done, then this value will be bigger. *}
-. bfd_size_type _raw_size;
+. size of <<.bss>>). *}
+. bfd_size_type size;
+.
+. {* For input sections, the original size on disk of the section, in
+. octets. This field is used by the linker relaxation code. It is
+. currently only set for sections where the linker relaxation scheme
+. doesn't cache altered section and reloc contents (stabs, eh_frame,
+. SEC_MERGE, some coff relaxing targets), and thus the original size
+. needs to be kept to read the section multiple times.
+. For output sections, rawsize holds the section size calculated on
+. a previous linker relaxation pass. *}
+. bfd_size_type rawsize;
.
. {* If this section is going to be output, then this value is the
. offset in *bytes* into the output section of the first byte in the
. {* Entity size for merging purposes. *}
. unsigned int entsize;
.
-. {* Optional information about a COMDAT entry; NULL if not COMDAT. *}
-. struct bfd_comdat_info *comdat;
-.
. {* Points to the kept section if this section is a link-once section,
. and is discarded. *}
. struct bfd_section *kept_section;
.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;
-.#define bfd_get_section_size_before_reloc(section) \
-. ((section)->_raw_size)
-.#define bfd_get_section_size_after_reloc(section) \
-. ((section)->reloc_done ? (section)->_cooked_size \
-. : (abort (), (bfd_size_type) 1))
.
.{* Macros to handle insertion and deletion of a bfd's sections. These
. only handle the list pointers, ie. do not adjust section_count,
#define STD_SECTION(SEC, FLAGS, SYM, NAME, IDX) \
const asymbol * const SYM = (asymbol *) &global_syms[IDX]; \
asection SEC = \
- /* name, id, index, next, flags, user_set_vma, reloc_done, */ \
- { NAME, IDX, 0, NULL, FLAGS, 0, 0, \
+ /* name, id, index, next, flags, user_set_vma, */ \
+ { NAME, IDX, 0, NULL, FLAGS, 0, \
\
/* linker_mark, linker_has_input, gc_mark, segment_mark, */ \
0, 0, 1, 0, \
\
- /* sec_info_type, use_rela_p, has_tls_reloc, */ \
- 0, 0, 0, \
+ /* sec_info_type, use_rela_p, has_tls_reloc, has_gp_reloc, */ \
+ 0, 0, 0, 0, \
\
- /* need_finalize_relax, has_gp_reloc, */ \
+ /* need_finalize_relax, reloc_done, */ \
0, 0, \
\
- /* flag13, flag14, flag15, flag16, flag20, flag24, */ \
- 0, 0, 0, 0, 0, 0, \
- \
- /* vma, lma, _cooked_size, _raw_size, */ \
- 0, 0, 0, 0, \
+ /* vma, lma, size, rawsize */ \
+ 0, 0, 0, 0, \
\
- /* output_offset, output_section, alignment_power, */ \
+ /* output_offset, output_section, alignment_power, */ \
0, (struct bfd_section *) &SEC, 0, \
\
/* relocation, orelocation, reloc_count, filepos, rel_filepos, */ \
/* line_filepos, userdata, contents, lineno, lineno_count, */ \
0, NULL, NULL, NULL, 0, \
\
- /* entsize, comdat, kept_section, moving_line_filepos, */ \
- 0, NULL, NULL, 0, \
+ /* entsize, kept_section, moving_line_filepos, */ \
+ 0, NULL, 0, \
\
/* target_index, used_by_bfd, constructor_chain, owner, */ \
0, NULL, NULL, NULL, \
/*
FUNCTION
+ bfd_get_section_by_name_if
+
+SYNOPSIS
+ asection *bfd_get_section_by_name_if
+ (bfd *abfd,
+ const char *name,
+ bfd_boolean (*func) (bfd *abfd, asection *sect, void *obj),
+ void *obj);
+
+DESCRIPTION
+ Call the provided function @var{func} for each section
+ attached to the BFD @var{abfd} whose name matches @var{name},
+ passing @var{obj} as an argument. The function will be called
+ as if by
+
+| func (abfd, the_section, obj);
+
+ It returns the first section for which @var{func} returns true,
+ otherwise <<NULL>>.
+
+*/
+
+asection *
+bfd_get_section_by_name_if (bfd *abfd, const char *name,
+ bfd_boolean (*operation) (bfd *,
+ asection *,
+ void *),
+ void *user_storage)
+{
+ struct section_hash_entry *sh;
+ unsigned long hash;
+
+ sh = section_hash_lookup (&abfd->section_htab, name, FALSE, FALSE);
+ if (sh == NULL)
+ return NULL;
+
+ hash = sh->root.hash;
+ do
+ {
+ if ((*operation) (abfd, &sh->section, user_storage))
+ return &sh->section;
+ sh = (struct section_hash_entry *) sh->root.next;
+ }
+ while (sh != NULL && sh->root.hash == hash
+ && strcmp (sh->root.string, name) == 0);
+
+ return NULL;
+}
+
+/*
+FUNCTION
bfd_get_unique_section_name
SYNOPSIS
if (new_sh == NULL)
return NULL;
- new_sh->root.next = sh->root.next;
+ new_sh->root = sh->root;
sh->root.next = &new_sh->root;
newsect = &new_sh->section;
}
return FALSE;
}
- ptr->_cooked_size = val;
- ptr->_raw_size = val;
-
+ ptr->size = val;
return TRUE;
}
*/
-#define bfd_get_section_size_now(abfd, sec) \
- (sec->reloc_done \
- ? bfd_get_section_size_after_reloc (sec) \
- : bfd_get_section_size_before_reloc (sec))
-
bfd_boolean
bfd_set_section_contents (bfd *abfd,
sec_ptr section,
return FALSE;
}
- sz = bfd_get_section_size_now (abfd, section);
+ sz = section->size;
if ((bfd_size_type) offset > sz
|| count > sz
|| offset + count > sz
return TRUE;
}
- /* Even if reloc_done is TRUE, this function reads unrelocated
- contents, so we want the raw size. */
- sz = section->_raw_size;
+ sz = section->rawsize ? section->rawsize : section->size;
if ((bfd_size_type) offset > sz
|| count > sz
|| offset + count > sz
/*
FUNCTION
+ bfd_malloc_and_get_section
+
+SYNOPSIS
+ bfd_boolean bfd_malloc_and_get_section
+ (bfd *abfd, asection *section, bfd_byte **buf);
+
+DESCRIPTION
+ Read all data from @var{section} in BFD @var{abfd}
+ into a buffer, *@var{buf}, malloc'd by this function.
+*/
+
+bfd_boolean
+bfd_malloc_and_get_section (bfd *abfd, sec_ptr sec, bfd_byte **buf)
+{
+ bfd_size_type sz = sec->rawsize ? sec->rawsize : sec->size;
+ bfd_byte *p = NULL;
+
+ *buf = p;
+ if (sz == 0)
+ return TRUE;
+
+ p = bfd_malloc (sec->rawsize > sec->size ? sec->rawsize : sec->size);
+ if (p == NULL)
+ return FALSE;
+ *buf = p;
+
+ return bfd_get_section_contents (abfd, sec, p, 0, sz);
+}
+/*
+FUNCTION
bfd_copy_private_section_data
SYNOPSIS
projects / external / binutils.git / blobdiff