/* Object file "section" support for the BFD library.
Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- 2000, 2001, 2002
+ 2000, 2001, 2002, 2003, 2004, 2005
Free Software Foundation, Inc.
Written by Cygnus Support.
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 sec
+.typedef struct bfd_section
.{
. {* The name of the section; the name isn't a copy, the pointer is
. the same as that passed to bfd_make_section. *}
. int index;
.
. {* The next section in the list belonging to the BFD, or NULL. *}
-. struct sec *next;
+. struct bfd_section *next;
.
. {* The field flags contains attributes of the section. Some
. flags are read in from the object file, and some are
. some relocation information too. *}
.#define SEC_RELOC 0x004
.
-. {* ELF reserves 4 processor specific bits and 8 operating system
-. specific bits in sh_flags; at present we can get away with just
-. one in communicating between the assembler and BFD, but this
-. isn't a good long-term solution. *}
-.#define SEC_ARCH_BIT_0 0x008
-.
. {* A signal to the OS that the section contains read only data. *}
-.#define SEC_READONLY 0x010
+.#define SEC_READONLY 0x008
.
. {* The section contains code only. *}
-.#define SEC_CODE 0x020
+.#define SEC_CODE 0x010
.
. {* The section contains data only. *}
-.#define SEC_DATA 0x040
+.#define SEC_DATA 0x020
.
. {* The section will reside in ROM. *}
-.#define SEC_ROM 0x080
+.#define SEC_ROM 0x040
.
. {* The section contains constructor information. This section
. type is used by the linker to create lists of constructors and
. sections called <<__CTOR_LIST__>> and relocate the data
. contained within - exactly the operations it would peform on
. standard data. *}
-.#define SEC_CONSTRUCTOR 0x100
+.#define SEC_CONSTRUCTOR 0x080
.
. {* The section has contents - a data section could be
. <<SEC_ALLOC>> | <<SEC_HAS_CONTENTS>>; a debug section could be
. <<SEC_HAS_CONTENTS>> *}
-.#define SEC_HAS_CONTENTS 0x200
+.#define SEC_HAS_CONTENTS 0x100
.
. {* An instruction to the linker to not output the section
. even if it has information which would normally be written. *}
-.#define SEC_NEVER_LOAD 0x400
-.
-. {* The section is a COFF shared library section. This flag is
-. only for the linker. If this type of section appears in
-. the input file, the linker must copy it to the output file
-. without changing the vma or size. FIXME: Although this
-. was originally intended to be general, it really is COFF
-. specific (and the flag was renamed to indicate this). It
-. might be cleaner to have some more general mechanism to
-. allow the back end to control what the linker does with
-. sections. *}
-.#define SEC_COFF_SHARED_LIBRARY 0x800
+.#define SEC_NEVER_LOAD 0x200
.
. {* The section contains thread local data. *}
-.#define SEC_THREAD_LOCAL 0x1000
+.#define SEC_THREAD_LOCAL 0x400
.
. {* The section has GOT references. This flag is only for the
. linker, and is currently only used by the elf32-hppa back end.
. in this section, which indicate to the linker that the section
. contains PIC code, and must be handled specially when doing a
. static link. *}
-.#define SEC_HAS_GOT_REF 0x4000
+.#define SEC_HAS_GOT_REF 0x800
.
. {* The section contains common symbols (symbols may be defined
. multiple times, the value of a symbol is the amount of
. space it requires, and the largest symbol value is the one
. used). Most targets have exactly one of these (which we
. translate to bfd_com_section_ptr), but ECOFF has two. *}
-.#define SEC_IS_COMMON 0x8000
+.#define SEC_IS_COMMON 0x1000
.
. {* The section contains only debugging information. For
. example, this is set for ELF .debug and .stab sections.
. strip tests this flag to see if a section can be
. discarded. *}
-.#define SEC_DEBUGGING 0x10000
+.#define SEC_DEBUGGING 0x2000
.
. {* The contents of this section are held in memory pointed to
. by the contents field. This is checked by bfd_get_section_contents,
. and the data is retrieved from memory if appropriate. *}
-.#define SEC_IN_MEMORY 0x20000
+.#define SEC_IN_MEMORY 0x4000
.
. {* The contents of this section are to be excluded by the
. linker for executable and shared objects unless those
. objects are to be further relocated. *}
-.#define SEC_EXCLUDE 0x40000
+.#define SEC_EXCLUDE 0x8000
.
. {* The contents of this section are to be sorted based on the sum of
. the symbol and addend values specified by the associated relocation
. entries. Entries without associated relocation entries will be
. appended to the end of the section in an unspecified order. *}
-.#define SEC_SORT_ENTRIES 0x80000
+.#define SEC_SORT_ENTRIES 0x10000
.
. {* When linking, duplicate sections of the same name should be
. discarded, rather than being combined into a single section as
. is usually done. This is similar to how common symbols are
. handled. See SEC_LINK_DUPLICATES below. *}
-.#define SEC_LINK_ONCE 0x100000
+.#define SEC_LINK_ONCE 0x20000
.
. {* If SEC_LINK_ONCE is set, this bitfield describes how the linker
. should handle duplicate sections. *}
-.#define SEC_LINK_DUPLICATES 0x600000
+.#define SEC_LINK_DUPLICATES 0x40000
.
. {* This value for SEC_LINK_DUPLICATES means that duplicate
. sections with the same name should simply be discarded. *}
. {* This value for SEC_LINK_DUPLICATES means that the linker
. should warn if there are any duplicate sections, although
. it should still only link one copy. *}
-.#define SEC_LINK_DUPLICATES_ONE_ONLY 0x200000
+.#define SEC_LINK_DUPLICATES_ONE_ONLY 0x80000
.
. {* This value for SEC_LINK_DUPLICATES means that the linker
. should warn if any duplicate sections are a different size. *}
-.#define SEC_LINK_DUPLICATES_SAME_SIZE 0x400000
+.#define SEC_LINK_DUPLICATES_SAME_SIZE 0x100000
.
. {* This value for SEC_LINK_DUPLICATES means that the linker
. should warn if any duplicate sections contain different
. contents. *}
-.#define SEC_LINK_DUPLICATES_SAME_CONTENTS 0x600000
+.#define SEC_LINK_DUPLICATES_SAME_CONTENTS \
+. (SEC_LINK_DUPLICATES_ONE_ONLY | SEC_LINK_DUPLICATES_SAME_SIZE)
.
. {* This section was created by the linker as part of dynamic
. relocation or other arcane processing. It is skipped when
. going through the first-pass output, trusting that someone
. else up the line will take care of it later. *}
-.#define SEC_LINKER_CREATED 0x800000
+.#define SEC_LINKER_CREATED 0x200000
.
. {* This section should not be subject to garbage collection. *}
-.#define SEC_KEEP 0x1000000
+.#define SEC_KEEP 0x400000
.
. {* This section contains "short" data, and should be placed
. "near" the GP. *}
-.#define SEC_SMALL_DATA 0x2000000
-.
-. {* This section contains data which may be shared with other
-. executables or shared objects. *}
-.#define SEC_SHARED 0x4000000
-.
-. {* When a section with this flag is being linked, then if the size of
-. the input section is less than a page, it should not cross a page
-. boundary. If the size of the input section is one page or more, it
-. should be aligned on a page boundary. *}
-.#define SEC_BLOCK 0x8000000
-.
-. {* Conditionally link this section; do not link if there are no
-. references found to any symbol in the section. *}
-.#define SEC_CLINK 0x10000000
+.#define SEC_SMALL_DATA 0x800000
.
. {* Attempt to merge identical entities in the section.
. Entity size is given in the entsize field. *}
-.#define SEC_MERGE 0x20000000
+.#define SEC_MERGE 0x1000000
.
. {* If given with SEC_MERGE, entities to merge are zero terminated
. strings where entsize specifies character size instead of fixed
. size entries. *}
-.#define SEC_STRINGS 0x40000000
+.#define SEC_STRINGS 0x2000000
.
. {* This section contains data about section groups. *}
-.#define SEC_GROUP 0x80000000
+.#define SEC_GROUP 0x4000000
+.
+. {* The section is a COFF shared library section. This flag is
+. only for the linker. If this type of section appears in
+. the input file, the linker must copy it to the output file
+. without changing the vma or size. FIXME: Although this
+. was originally intended to be general, it really is COFF
+. specific (and the flag was renamed to indicate this). It
+. might be cleaner to have some more general mechanism to
+. allow the back end to control what the linker does with
+. sections. *}
+.#define SEC_COFF_SHARED_LIBRARY 0x10000000
+.
+. {* This section contains data which may be shared with other
+. executables or shared objects. This is for COFF only. *}
+.#define SEC_COFF_SHARED 0x20000000
+.
+. {* When a section with this flag is being linked, then if the size of
+. the input section is less than a page, it should not cross a page
+. boundary. If the size of the input section is one page or more,
+. it should be aligned on a page boundary. This is for TI
+. TMS320C54X only. *}
+.#define SEC_TIC54X_BLOCK 0x40000000
+.
+. {* Conditionally link this section; do not link if there are no
+. references found to any symbol in the section. This is for TI
+. TMS320C54X only. *}
+.#define SEC_TIC54X_CLINK 0x80000000
.
. {* End of section flags. *}
.
. {* 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;
.
. {* A mark flag used by some linker backends for garbage collection. *}
. unsigned int gc_mark : 1;
.
-. {* Used by the ELF code to mark sections which have been allocated
-. to segments. *}
+. {* The following flags are used by the ELF linker. *}
+.
+. {* Mark sections which have been allocated to segments. *}
. unsigned int segment_mark : 1;
.
+. {* Type of sec_info information. *}
+. unsigned int sec_info_type:3;
+.#define ELF_INFO_TYPE_NONE 0
+.#define ELF_INFO_TYPE_STABS 1
+.#define ELF_INFO_TYPE_MERGE 2
+.#define ELF_INFO_TYPE_EH_FRAME 3
+.#define ELF_INFO_TYPE_JUST_SYMS 4
+.
+. {* Nonzero if this section uses RELA relocations, rather than REL. *}
+. unsigned int use_rela_p:1;
+.
+. {* Bits used by various backends. The generic code doesn't touch
+. these fields. *}
+.
+. {* 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;
+.
+. {* 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 virtual memory address of the section - where it will be
.
. {* 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
. bfd_vma output_offset;
.
. {* The output section through which to map on output. *}
-. struct sec *output_section;
+. struct bfd_section *output_section;
.
. {* The alignment requirement of the section, as an exponent of 2 -
. e.g., 3 aligns to 2^3 (or 8). *}
. file_ptr line_filepos;
.
. {* Pointer to data for applications. *}
-. PTR userdata;
+. void *userdata;
.
. {* If the SEC_IN_MEMORY flag is set, this points to the actual
. contents. *}
. {* 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;
.
. {* When a section is being output, this value changes as more
. linenumbers are written out. *}
. {* What the section number is in the target world. *}
. int target_index;
.
-. PTR used_by_bfd;
+. void *used_by_bfd;
.
. {* If this is a constructor section then here is a list of the
. relocations created to relocate items within it. *}
. bfd *owner;
.
. {* A symbol which points at this section only. *}
-. struct symbol_cache_entry *symbol;
-. struct symbol_cache_entry **symbol_ptr_ptr;
+. struct bfd_symbol *symbol;
+. struct bfd_symbol **symbol_ptr_ptr;
.
. struct bfd_link_order *link_order_head;
. struct bfd_link_order *link_order_tail;
.#define BFD_IND_SECTION_NAME "*IND*"
.
.{* The absolute section. *}
-.extern const asection bfd_abs_section;
+.extern asection bfd_abs_section;
.#define bfd_abs_section_ptr ((asection *) &bfd_abs_section)
.#define bfd_is_abs_section(sec) ((sec) == bfd_abs_section_ptr)
.{* Pointer to the undefined section. *}
-.extern const asection bfd_und_section;
+.extern asection bfd_und_section;
.#define bfd_und_section_ptr ((asection *) &bfd_und_section)
.#define bfd_is_und_section(sec) ((sec) == bfd_und_section_ptr)
.{* Pointer to the common section. *}
-.extern const asection bfd_com_section;
+.extern asection bfd_com_section;
.#define bfd_com_section_ptr ((asection *) &bfd_com_section)
.{* Pointer to the indirect section. *}
-.extern const asection bfd_ind_section;
+.extern asection bfd_ind_section;
.#define bfd_ind_section_ptr ((asection *) &bfd_ind_section)
.#define bfd_is_ind_section(sec) ((sec) == bfd_ind_section_ptr)
.
. || ((SEC) == bfd_com_section_ptr) \
. || ((SEC) == bfd_ind_section_ptr))
.
-.extern const struct symbol_cache_entry * const bfd_abs_symbol;
-.extern const struct symbol_cache_entry * const bfd_com_symbol;
-.extern const struct symbol_cache_entry * const bfd_und_symbol;
-.extern const struct symbol_cache_entry * const bfd_ind_symbol;
-.#define bfd_get_section_size_before_reloc(section) \
-. ((section)->reloc_done ? (abort (), (bfd_size_type) 1) \
-. : (section)->_raw_size)
-.#define bfd_get_section_size_after_reloc(section) \
-. ((section)->reloc_done ? (section)->_cooked_size \
-. : (abort (), (bfd_size_type) 1))
+.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,
#define STD_SECTION(SEC, FLAGS, SYM, NAME, IDX) \
const asymbol * const SYM = (asymbol *) &global_syms[IDX]; \
- const asection SEC = \
- /* name, id, index, next, flags, user_set_vma, reloc_done, */ \
- { NAME, IDX, 0, NULL, FLAGS, 0, 0, \
+ asection SEC = \
+ /* 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, \
\
- /* vma, lma, _cooked_size, _raw_size, */ \
- 0, 0, 0, 0, \
+ /* sec_info_type, use_rela_p, has_tls_reloc, has_gp_reloc, */ \
+ 0, 0, 0, 0, \
+ \
+ /* need_finalize_relax, reloc_done, */ \
+ 0, 0, \
+ \
+ /* vma, lma, size, rawsize */ \
+ 0, 0, 0, 0, \
\
- /* output_offset, output_section, alignment_power, */ \
- 0, (struct sec *) &SEC, 0, \
+ /* output_offset, output_section, alignment_power, */ \
+ 0, (struct bfd_section *) &SEC, 0, \
\
/* relocation, orelocation, reloc_count, filepos, rel_filepos, */ \
NULL, NULL, 0, 0, 0, \
/* line_filepos, userdata, contents, lineno, lineno_count, */ \
0, NULL, NULL, NULL, 0, \
\
- /* entsize, comdat, moving_line_filepos, */ \
- 0, NULL, 0, \
+ /* entsize, kept_section, moving_line_filepos, */ \
+ 0, NULL, 0, \
\
/* target_index, used_by_bfd, constructor_chain, owner, */ \
0, NULL, NULL, NULL, \
\
/* symbol, */ \
- (struct symbol_cache_entry *) &global_syms[IDX], \
+ (struct bfd_symbol *) &global_syms[IDX], \
\
/* symbol_ptr_ptr, */ \
- (struct symbol_cache_entry **) &SYM, \
+ (struct bfd_symbol **) &SYM, \
\
/* link_order_head, link_order_tail */ \
NULL, NULL \
/* Initialize an entry in the section hash table. */
struct bfd_hash_entry *
-bfd_section_hash_newfunc (entry, table, string)
- struct bfd_hash_entry *entry;
- struct bfd_hash_table *table;
- const char *string;
+bfd_section_hash_newfunc (struct bfd_hash_entry *entry,
+ struct bfd_hash_table *table,
+ const char *string)
{
/* Allocate the structure if it has not already been allocated by a
subclass. */
/* Call the allocation method of the superclass. */
entry = bfd_hash_newfunc (entry, table, string);
if (entry != NULL)
- {
- memset ((PTR) &((struct section_hash_entry *) entry)->section,
- 0, sizeof (asection));
- }
+ memset (&((struct section_hash_entry *) entry)->section, 0,
+ sizeof (asection));
return entry;
}
/* Initializes a new section. NEWSECT->NAME is already set. */
-static asection *bfd_section_init PARAMS ((bfd *, asection *));
-
static asection *
-bfd_section_init (abfd, newsect)
- bfd *abfd;
- asection *newsect;
+bfd_section_init (bfd *abfd, asection *newsect)
{
static int section_id = 0x10; /* id 0 to 3 used by STD_SECTION. */
*/
void
-bfd_section_list_clear (abfd)
- bfd *abfd;
+bfd_section_list_clear (bfd *abfd)
{
abfd->sections = NULL;
abfd->section_tail = &abfd->sections;
abfd->section_count = 0;
- memset ((PTR) abfd->section_htab.table, 0,
+ memset (abfd->section_htab.table, 0,
abfd->section_htab.size * sizeof (struct bfd_hash_entry *));
}
bfd_get_section_by_name
SYNOPSIS
- asection *bfd_get_section_by_name(bfd *abfd, const char *name);
+ asection *bfd_get_section_by_name (bfd *abfd, const char *name);
DESCRIPTION
Run through @var{abfd} and return the one of the
*/
asection *
-bfd_get_section_by_name (abfd, name)
- bfd *abfd;
- const char *name;
+bfd_get_section_by_name (bfd *abfd, const char *name)
{
struct section_hash_entry *sh;
/*
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
- char *bfd_get_unique_section_name(bfd *abfd,
- const char *templat,
- int *count);
+ char *bfd_get_unique_section_name
+ (bfd *abfd, const char *templat, int *count);
DESCRIPTION
Invent a section name that is unique in @var{abfd} by tacking
*/
char *
-bfd_get_unique_section_name (abfd, templat, count)
- bfd *abfd;
- const char *templat;
- int *count;
+bfd_get_unique_section_name (bfd *abfd, const char *templat, int *count)
{
int num;
unsigned int len;
char *sname;
len = strlen (templat);
- sname = bfd_malloc ((bfd_size_type) len + 8);
+ sname = bfd_malloc (len + 8);
if (sname == NULL)
return NULL;
memcpy (sname, templat, len);
bfd_make_section_old_way
SYNOPSIS
- asection *bfd_make_section_old_way(bfd *abfd, const char *name);
+ asection *bfd_make_section_old_way (bfd *abfd, const char *name);
DESCRIPTION
Create a new empty section called @var{name}
*/
asection *
-bfd_make_section_old_way (abfd, name)
- bfd *abfd;
- const char *name;
+bfd_make_section_old_way (bfd *abfd, const char *name)
{
struct section_hash_entry *sh;
asection *newsect;
bfd_make_section_anyway
SYNOPSIS
- asection *bfd_make_section_anyway(bfd *abfd, const char *name);
+ asection *bfd_make_section_anyway (bfd *abfd, const char *name);
DESCRIPTION
Create a new empty section called @var{name} and attach it to the end of
*/
sec_ptr
-bfd_make_section_anyway (abfd, name)
- bfd *abfd;
- const char *name;
+bfd_make_section_anyway (bfd *abfd, const char *name)
{
struct section_hash_entry *sh;
asection *newsect;
newsect = &sh->section;
if (newsect->name != NULL)
{
- /* We are making a section of the same name. It can't go in
- section_htab without generating a unique section name and
- that would be pointless; We don't need to traverse the
- hash table. */
- newsect = (asection *) bfd_zalloc (abfd, sizeof (asection));
- if (newsect == NULL)
+ /* We are making a section of the same name. Put it in the
+ section hash table. Even though we can't find it directly by a
+ hash lookup, we'll be able to find the section by traversing
+ sh->root.next quicker than looking at all the bfd sections. */
+ struct section_hash_entry *new_sh;
+ new_sh = (struct section_hash_entry *)
+ bfd_section_hash_newfunc (NULL, &abfd->section_htab, name);
+ if (new_sh == NULL)
return NULL;
+
+ new_sh->root = sh->root;
+ sh->root.next = &new_sh->root;
+ newsect = &new_sh->section;
}
newsect->name = name;
bfd_make_section
SYNOPSIS
- asection *bfd_make_section(bfd *, const char *name);
+ asection *bfd_make_section (bfd *, const char *name);
DESCRIPTION
Like <<bfd_make_section_anyway>>, but return <<NULL>> (without calling
*/
asection *
-bfd_make_section (abfd, name)
- bfd *abfd;
- const char *name;
+bfd_make_section (bfd *abfd, const char *name)
{
struct section_hash_entry *sh;
asection *newsect;
if (newsect->name != NULL)
{
/* Section already exists. */
- return newsect;
+ return NULL;
}
newsect->name = name;
bfd_set_section_flags
SYNOPSIS
- bfd_boolean bfd_set_section_flags (bfd *abfd, asection *sec, flagword flags);
+ bfd_boolean bfd_set_section_flags
+ (bfd *abfd, asection *sec, flagword flags);
DESCRIPTION
Set the attributes of the section @var{sec} in the BFD
*/
-/*ARGSUSED*/
bfd_boolean
-bfd_set_section_flags (abfd, section, flags)
- bfd *abfd ATTRIBUTE_UNUSED;
- sec_ptr section;
- flagword flags;
+bfd_set_section_flags (bfd *abfd ATTRIBUTE_UNUSED,
+ sec_ptr section,
+ flagword flags)
{
-#if 0
- /* If you try to copy a text section from an input file (where it
- has the SEC_CODE flag set) to an output file, this loses big if
- the bfd_applicable_section_flags (abfd) doesn't have the SEC_CODE
- set - which it doesn't, at least not for a.out. FIXME */
-
- if ((flags & bfd_applicable_section_flags (abfd)) != flags)
- {
- bfd_set_error (bfd_error_invalid_operation);
- return FALSE;
- }
-#endif
-
section->flags = flags;
return TRUE;
}
bfd_map_over_sections
SYNOPSIS
- void bfd_map_over_sections(bfd *abfd,
- void (*func) (bfd *abfd,
- asection *sect,
- PTR obj),
- PTR obj);
+ void bfd_map_over_sections
+ (bfd *abfd,
+ void (*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}, passing @var{obj} as an
argument. The function will be called as if by
-| func(abfd, the_section, obj);
+| func (abfd, the_section, obj);
- This is the prefered method for iterating over sections; an
+ This is the preferred method for iterating over sections; an
alternative would be to use a loop:
| section *p;
| for (p = abfd->sections; p != NULL; p = p->next)
-| func(abfd, p, ...)
+| func (abfd, p, ...)
*/
-/*VARARGS2*/
void
-bfd_map_over_sections (abfd, operation, user_storage)
- bfd *abfd;
- void (*operation) PARAMS ((bfd * abfd, asection * sect, PTR obj));
- PTR user_storage;
+bfd_map_over_sections (bfd *abfd,
+ void (*operation) (bfd *, asection *, void *),
+ void *user_storage)
{
asection *sect;
unsigned int i = 0;
/*
FUNCTION
+ bfd_sections_find_if
+
+SYNOPSIS
+ asection *bfd_sections_find_if
+ (bfd *abfd,
+ bfd_boolean (*operation) (bfd *abfd, asection *sect, void *obj),
+ void *obj);
+
+DESCRIPTION
+ Call the provided function @var{operation} for each section
+ attached to the BFD @var{abfd}, passing @var{obj} as an
+ argument. The function will be called as if by
+
+| operation (abfd, the_section, obj);
+
+ It returns the first section for which @var{operation} returns true.
+
+*/
+
+asection *
+bfd_sections_find_if (bfd *abfd,
+ bfd_boolean (*operation) (bfd *, asection *, void *),
+ void *user_storage)
+{
+ asection *sect;
+
+ for (sect = abfd->sections; sect != NULL; sect = sect->next)
+ if ((*operation) (abfd, sect, user_storage))
+ break;
+
+ return sect;
+}
+
+/*
+FUNCTION
bfd_set_section_size
SYNOPSIS
- bfd_boolean bfd_set_section_size (bfd *abfd, asection *sec, bfd_size_type val);
+ bfd_boolean bfd_set_section_size
+ (bfd *abfd, asection *sec, bfd_size_type val);
DESCRIPTION
Set @var{sec} to the size @var{val}. If the operation is
*/
bfd_boolean
-bfd_set_section_size (abfd, ptr, val)
- bfd *abfd;
- sec_ptr ptr;
- bfd_size_type val;
+bfd_set_section_size (bfd *abfd, sec_ptr ptr, bfd_size_type val)
{
/* Once you've started writing to any section you cannot create or change
the size of any others. */
return FALSE;
}
- ptr->_cooked_size = val;
- ptr->_raw_size = val;
-
+ ptr->size = val;
return TRUE;
}
bfd_set_section_contents
SYNOPSIS
- bfd_boolean bfd_set_section_contents (bfd *abfd, asection *section,
- PTR data, file_ptr offset,
- bfd_size_type count);
+ bfd_boolean bfd_set_section_contents
+ (bfd *abfd, asection *section, const void *data,
+ file_ptr offset, bfd_size_type count);
DESCRIPTION
Sets the contents of the section @var{section} in BFD
*/
-#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 (abfd, section, location, offset, count)
- bfd *abfd;
- sec_ptr section;
- PTR location;
- file_ptr offset;
- bfd_size_type count;
+bfd_set_section_contents (bfd *abfd,
+ sec_ptr section,
+ const void *location,
+ file_ptr offset,
+ bfd_size_type count)
{
bfd_size_type sz;
return FALSE;
}
- sz = bfd_get_section_size_now (abfd, section);
+ sz = section->size;
if ((bfd_size_type) offset > sz
|| count > sz
|| offset + count > sz
/* Record a copy of the data in memory if desired. */
if (section->contents
- && location != (PTR) (section->contents + offset))
+ && location != section->contents + offset)
memcpy (section->contents + offset, location, (size_t) count);
if (BFD_SEND (abfd, _bfd_set_section_contents,
bfd_get_section_contents
SYNOPSIS
- bfd_boolean bfd_get_section_contents (bfd *abfd, asection *section,
- PTR location, file_ptr offset,
- bfd_size_type count);
+ bfd_boolean bfd_get_section_contents
+ (bfd *abfd, asection *section, void *location, file_ptr offset,
+ bfd_size_type count);
DESCRIPTION
Read data from @var{section} in BFD @var{abfd}
*/
bfd_boolean
-bfd_get_section_contents (abfd, section, location, offset, count)
- bfd *abfd;
- sec_ptr section;
- PTR location;
- file_ptr offset;
- bfd_size_type count;
+bfd_get_section_contents (bfd *abfd,
+ sec_ptr section,
+ void *location,
+ file_ptr offset,
+ bfd_size_type count)
{
bfd_size_type 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
- bfd_boolean bfd_copy_private_section_data (bfd *ibfd, asection *isec,
- bfd *obfd, asection *osec);
+ bfd_boolean bfd_copy_private_section_data
+ (bfd *ibfd, asection *isec, bfd *obfd, asection *osec);
DESCRIPTION
Copy private section information from @var{isec} in the BFD
SYNOPSIS
void _bfd_strip_section_from_output
- (struct bfd_link_info *info, asection *section);
+ (struct bfd_link_info *info, asection *section);
DESCRIPTION
Remove @var{section} from the output. If the output section
to remove sections.
*/
void
-_bfd_strip_section_from_output (info, s)
- struct bfd_link_info *info;
- asection *s;
+_bfd_strip_section_from_output (struct bfd_link_info *info, asection *s)
{
asection *os;
asection *is;
/*
FUNCTION
+ bfd_generic_is_group_section
+
+SYNOPSIS
+ bfd_boolean bfd_generic_is_group_section (bfd *, const asection *sec);
+
+DESCRIPTION
+ Returns TRUE if @var{sec} is a member of a group.
+*/
+
+bfd_boolean
+bfd_generic_is_group_section (bfd *abfd ATTRIBUTE_UNUSED,
+ const asection *sec ATTRIBUTE_UNUSED)
+{
+ return FALSE;
+}
+
+/*
+FUNCTION
bfd_generic_discard_group
SYNOPSIS
*/
bfd_boolean
-bfd_generic_discard_group (abfd, group)
- bfd *abfd ATTRIBUTE_UNUSED;
- asection *group ATTRIBUTE_UNUSED;
+bfd_generic_discard_group (bfd *abfd ATTRIBUTE_UNUSED,
+ asection *group ATTRIBUTE_UNUSED)
{
return TRUE;
}
projects / external / binutils.git / blobdiff