/* Main header file for the bfd library -- portable access to object files.
Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
- 1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+ 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
+ Free Software Foundation, Inc.
Contributed by Cygnus Support.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
#ifndef __BFD_H_SEEN__
#define __BFD_H_SEEN__
#endif
#endif
+/* This is a utility macro to handle the situation where the code
+ wants to place a constant string into the code, followed by a
+ comma and then the length of the string. Doing this by hand
+ is error prone, so using this macro is safer. The macro will
+ also safely handle the case where a NULL is passed as the arg. */
+#define STRING_COMMA_LEN(STR) (STR), ((STR) ? sizeof (STR) - 1 : 0)
+/* Unfortunately it is not possible to use the STRING_COMMA_LEN macro
+ to create the arguments to another macro, since the preprocessor
+ will mis-count the number of arguments to the outer macro (by not
+ evaluating STRING_COMMA_LEN and so missing the comma). This is a
+ problem for example when trying to use STRING_COMMA_LEN to build
+ the arguments to the strncmp() macro. Hence this alternative
+ definition of strncmp is provided here.
+
+ Note - these macros do NOT work if STR2 is not a constant string. */
+#define CONST_STRNEQ(STR1,STR2) (strncmp ((STR1), (STR2), sizeof (STR2) - 1) == 0)
+ /* strcpy() can have a similar problem, but since we know we are
+ copying a constant string, we can use memcpy which will be faster
+ since there is no need to check for a NUL byte inside STR. We
+ can also save time if we do not need to copy the terminating NUL. */
+#define LITMEMCPY(DEST,STR2) memcpy ((DEST), (STR2), sizeof (STR2) - 1)
+#define LITSTRCPY(DEST,STR2) memcpy ((DEST), (STR2), sizeof (STR2))
+
+
/* The word size used by BFD on the host. This may be 64 with a 32
bit target if the host is 64 bit, or if other 64 bit targets have
been selected with --enable-targets, or if --enable-64-bit-bfd. */
#define FALSE 0
#define TRUE 1
-#if 0
-/* Poison. */
-#undef false
-#undef true
-#define false dont_use_false_in_bfd
-#define true dont_use_true_in_bfd
-#endif
-
#ifdef BFD64
#ifndef BFD_HOST_64_BIT
#endif /* not BFD64 */
+#define HALF_BFD_SIZE_TYPE \
+ (((bfd_size_type) 1) << (8 * sizeof (bfd_size_type) / 2))
+
#ifndef BFD_HOST_64_BIT
/* Fall back on a 32 bit type. The idea is to make these types always
available for function return types, but in the case that
/* The sections in this BFD specify a memory page. */
#define HAS_LOAD_PAGE 0x1000
+
+/* This BFD has been created by the linker and doesn't correspond
+ to any input file. */
+#define BFD_LINKER_CREATED 0x2000
\f
/* Symbols and relocation. */
(((sec)->rawsize ? (sec)->rawsize : (sec)->size) \
/ bfd_octets_per_byte (bfd))
-typedef struct stat stat_type;
+/* Return TRUE if section has been discarded. */
+#define elf_discarded_section(sec) \
+ (!bfd_is_abs_section (sec) \
+ && bfd_is_abs_section ((sec)->output_section) \
+ && (sec)->sec_info_type != ELF_INFO_TYPE_MERGE \
+ && (sec)->sec_info_type != ELF_INFO_TYPE_JUST_SYMS)
+
+/* Forward define. */
+struct stat;
\f
typedef enum bfd_print_symbol
{
{
/* The hash array. */
struct bfd_hash_entry **table;
- /* The number of slots in the hash table. */
- unsigned int size;
/* A function used to create new elements in the hash table. The
first entry is itself a pointer to an element. When this
function is first invoked, this pointer will be NULL. However,
/* An objalloc for this hash table. This is a struct objalloc *,
but we use void * to avoid requiring the inclusion of objalloc.h. */
void *memory;
+ /* The number of slots in the hash table. */
+ unsigned int size;
+ /* The number of entries in the hash table. */
+ unsigned int count;
+ /* The size of elements. */
+ unsigned int entsize;
+ /* If non-zero, don't grow the hash table. */
+ unsigned int frozen:1;
};
/* Initialize a hash table. */
(struct bfd_hash_table *,
struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
struct bfd_hash_table *,
- const char *));
+ const char *),
+ unsigned int);
/* Initialize a hash table specifying a size. */
extern bfd_boolean bfd_hash_table_init_n
struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
struct bfd_hash_table *,
const char *),
- unsigned int size);
+ unsigned int, unsigned int);
/* Free up a hash table. */
extern void bfd_hash_table_free
bfd_uint64_t bfd_get_bits (const void *, int, bfd_boolean);
void bfd_put_bits (bfd_uint64_t, void *, int, bfd_boolean);
+
+extern bfd_boolean bfd_section_already_linked_table_init (void);
+extern void bfd_section_already_linked_table_free (void);
\f
/* Externally visible ECOFF routines. */
DYN_NO_NEEDED = 8
};
+enum notice_asneeded_action {
+ notice_as_needed,
+ notice_not_needed,
+ notice_needed
+};
+
extern bfd_boolean bfd_elf_record_link_assignment
- (bfd *, struct bfd_link_info *, const char *, bfd_boolean);
+ (bfd *, struct bfd_link_info *, const char *, bfd_boolean,
+ bfd_boolean);
extern struct bfd_link_needed_list *bfd_elf_get_needed_list
(bfd *, struct bfd_link_info *);
extern bfd_boolean bfd_elf_get_bfd_needed_list
(bfd *, struct bfd_link_needed_list **);
extern bfd_boolean bfd_elf_size_dynamic_sections
(bfd *, const char *, const char *, const char *, const char * const *,
- struct bfd_link_info *, struct bfd_section **, struct bfd_elf_version_tree *);
+ struct bfd_link_info *, struct bfd_section **,
+ struct bfd_elf_version_tree *);
+extern bfd_boolean bfd_elf_size_dynsym_hash_dynstr
+ (bfd *, struct bfd_link_info *);
extern void bfd_elf_set_dt_needed_name
(bfd *, const char *);
extern const char *bfd_elf_get_dt_soname
(bfd *);
extern void bfd_elf_set_dyn_lib_class
- (bfd *, int);
+ (bfd *, enum dynamic_lib_link_class);
extern int bfd_elf_get_dyn_lib_class
(bfd *);
extern struct bfd_link_needed_list *bfd_elf_get_runpath_list
(bfd *, struct bfd_link_info *);
extern bfd_boolean bfd_elf_discard_info
(bfd *, struct bfd_link_info *);
+extern unsigned int _bfd_elf_default_action_discarded
+ (struct bfd_section *);
/* Return an upper bound on the number of bytes required to store a
copy of ABFD's program header table entries. Return -1 if an error
the remote memory. */
extern bfd *bfd_elf_bfd_from_remote_memory
(bfd *templ, bfd_vma ehdr_vma, bfd_vma *loadbasep,
- int (*target_read_memory) (bfd_vma vma, char *myaddr, int len));
+ int (*target_read_memory) (bfd_vma vma, bfd_byte *myaddr, int len));
/* Return the arch_size field of an elf bfd, or -1 if not elf. */
extern int bfd_get_arch_size
extern struct bfd_section *_bfd_elf_tls_setup
(bfd *, struct bfd_link_info *);
+extern void _bfd_fix_excluded_sec_syms
+ (bfd *, struct bfd_link_info *);
+
+extern unsigned bfd_m68k_mach_to_features (int);
+
+extern int bfd_m68k_features_to_mach (unsigned);
+
extern bfd_boolean bfd_m68k_elf32_create_embedded_relocs
- (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *, char **);
+ (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *,
+ char **);
+
+extern bfd_boolean bfd_bfin_elf32_create_embedded_relocs
+ (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *,
+ char **);
/* SunOS shared library support routines for the linker. */
extern bfd_boolean bfd_sunos_record_link_assignment
(bfd *, struct bfd_link_info *, const char *);
extern bfd_boolean bfd_sunos_size_dynamic_sections
- (bfd *, struct bfd_link_info *, struct bfd_section **, struct bfd_section **, struct bfd_section **);
+ (bfd *, struct bfd_link_info *, struct bfd_section **,
+ struct bfd_section **, struct bfd_section **);
/* Linux shared library support routines for the linker. */
extern bfd_boolean bfd_m68k_coff_create_embedded_relocs
(bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *, char **);
+/* ARM VFP11 erratum workaround support. */
+typedef enum
+{
+ BFD_ARM_VFP11_FIX_DEFAULT,
+ BFD_ARM_VFP11_FIX_NONE,
+ BFD_ARM_VFP11_FIX_SCALAR,
+ BFD_ARM_VFP11_FIX_VECTOR
+} bfd_arm_vfp11_fix;
+
+extern void bfd_elf32_arm_init_maps
+ (bfd *);
+
+extern void bfd_elf32_arm_set_vfp11_fix
+ (bfd *, struct bfd_link_info *);
+
+extern bfd_boolean bfd_elf32_arm_vfp11_erratum_scan
+ (bfd *, struct bfd_link_info *);
+
+extern void bfd_elf32_arm_vfp11_fix_veneer_locations
+ (bfd *, struct bfd_link_info *);
+
/* ARM Interworking support. Called from linker. */
extern bfd_boolean bfd_arm_allocate_interworking_sections
(struct bfd_link_info *);
(struct bfd_link_info *);
extern bfd_boolean bfd_elf32_arm_process_before_allocation
- (bfd *, struct bfd_link_info *, int, int);
+ (bfd *, struct bfd_link_info *);
+
+void bfd_elf32_arm_set_target_relocs
+ (bfd *, struct bfd_link_info *, int, char *, int, int, bfd_arm_vfp11_fix,
+ int, int);
extern bfd_boolean bfd_elf32_arm_get_bfd_for_interworking
(bfd *, struct bfd_link_info *);
extern bfd_boolean bfd_elf32_arm_add_glue_sections_to_bfd
(bfd *, struct bfd_link_info *);
+/* ELF ARM mapping symbol support */
+#define BFD_ARM_SPECIAL_SYM_TYPE_MAP (1 << 0)
+#define BFD_ARM_SPECIAL_SYM_TYPE_TAG (1 << 1)
+#define BFD_ARM_SPECIAL_SYM_TYPE_OTHER (1 << 2)
+#define BFD_ARM_SPECIAL_SYM_TYPE_ANY (~0)
+extern bfd_boolean bfd_is_arm_special_symbol_name
+ (const char * name, int type);
+
+extern void bfd_elf32_arm_set_byteswap_code (struct bfd_link_info *, int);
+
/* ARM Note section processing. */
extern bfd_boolean bfd_arm_merge_machines
(bfd *, bfd *);
extern void bfd_elf64_ia64_after_parse
(int);
+/* 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 coff_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;
+};
+
+extern struct coff_comdat_info *bfd_coff_get_comdat_section
+ (bfd *, struct bfd_section *);
+
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