/* 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, 2005 Free Software Foundation, Inc.
+ 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
+ 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. */
+#define STRING_COMMA_LEN(STR) (STR), (sizeof (STR) - 1)
+/* 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))
+
+
+#define BFD_SUPPORTS_PLUGINS @supports_plugins@
+
/* 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 BFD_DEFAULT_TARGET_SIZE @bfd_default_target_size@
#define BFD_HOST_64BIT_LONG @BFD_HOST_64BIT_LONG@
-#define BFD_HOST_LONG_LONG @BFD_HOST_LONG_LONG@
+#define BFD_HOST_64BIT_LONG_LONG @BFD_HOST_64BIT_LONG_LONG@
#if @BFD_HOST_64_BIT_DEFINED@
#define BFD_HOST_64_BIT @BFD_HOST_64_BIT@
#define BFD_HOST_U_64_BIT @BFD_HOST_U_64_BIT@
#endif
#endif
+/* Declaring a type wide enough to hold a host long and a host pointer. */
+#define BFD_HOSTPTR_T @BFD_HOSTPTR_T@
+typedef BFD_HOSTPTR_T bfd_hostptr_t;
+
/* Forward declaration. */
typedef struct bfd bfd;
typedef BFD_HOST_U_64_BIT bfd_size_type;
typedef BFD_HOST_U_64_BIT symvalue;
-#ifndef fprintf_vma
#if BFD_HOST_64BIT_LONG
-#define sprintf_vma(s,x) sprintf (s, "%016lx", x)
-#define fprintf_vma(f,x) fprintf (f, "%016lx", x)
+#define BFD_VMA_FMT "l"
+#elif defined (__MSVCRT__)
+#define BFD_VMA_FMT "I64"
#else
-#define _bfd_int64_low(x) ((unsigned long) (((x) & 0xffffffff)))
-#define _bfd_int64_high(x) ((unsigned long) (((x) >> 32) & 0xffffffff))
-#define fprintf_vma(s,x) \
- fprintf ((s), "%08lx%08lx", _bfd_int64_high (x), _bfd_int64_low (x))
-#define sprintf_vma(s,x) \
- sprintf ((s), "%08lx%08lx", _bfd_int64_high (x), _bfd_int64_low (x))
+#define BFD_VMA_FMT "ll"
#endif
+
+#ifndef fprintf_vma
+#define sprintf_vma(s,x) sprintf (s, "%016" BFD_VMA_FMT "x", x)
+#define fprintf_vma(f,x) fprintf (f, "%016" BFD_VMA_FMT "x", x)
#endif
#else /* not BFD64 */
typedef unsigned long bfd_size_type;
/* Print a bfd_vma x on stream s. */
-#define fprintf_vma(s,x) fprintf (s, "%08lx", x)
-#define sprintf_vma(s,x) sprintf (s, "%08lx", x)
+#define BFD_VMA_FMT "l"
+#define fprintf_vma(s,x) fprintf (s, "%08" BFD_VMA_FMT "x", x)
+#define sprintf_vma(s,x) sprintf (s, "%08" BFD_VMA_FMT "x", x)
#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
bfd_type_end /* Marks the end; don't use it! */
}
bfd_format;
-
-/* Values that may appear in the flags field of a BFD. These also
- appear in the object_flags field of the bfd_target structure, where
- they indicate the set of flags used by that backend (not all flags
- are meaningful for all object file formats) (FIXME: at the moment,
- the object_flags values have mostly just been copied from backend
- to another, and are not necessarily correct). */
-
-/* No flags. */
-#define BFD_NO_FLAGS 0x00
-
-/* BFD contains relocation entries. */
-#define HAS_RELOC 0x01
-
-/* BFD is directly executable. */
-#define EXEC_P 0x02
-
-/* BFD has line number information (basically used for F_LNNO in a
- COFF header). */
-#define HAS_LINENO 0x04
-
-/* BFD has debugging information. */
-#define HAS_DEBUG 0x08
-
-/* BFD has symbols. */
-#define HAS_SYMS 0x10
-
-/* BFD has local symbols (basically used for F_LSYMS in a COFF
- header). */
-#define HAS_LOCALS 0x20
-
-/* BFD is a dynamic object. */
-#define DYNAMIC 0x40
-
-/* Text section is write protected (if D_PAGED is not set, this is
- like an a.out NMAGIC file) (the linker sets this by default, but
- clears it for -r or -N). */
-#define WP_TEXT 0x80
-
-/* BFD is dynamically paged (this is like an a.out ZMAGIC file) (the
- linker sets this by default, but clears it for -r or -n or -N). */
-#define D_PAGED 0x100
-
-/* BFD is relaxable (this means that bfd_relax_section may be able to
- do something) (sometimes bfd_relax_section can do something even if
- this is not set). */
-#define BFD_IS_RELAXABLE 0x200
-
-/* This may be set before writing out a BFD to request using a
- traditional format. For example, this is used to request that when
- writing out an a.out object the symbols not be hashed to eliminate
- duplicates. */
-#define BFD_TRADITIONAL_FORMAT 0x400
-
-/* This flag indicates that the BFD contents are actually cached in
- memory. If this is set, iostream points to a bfd_in_memory struct. */
-#define BFD_IN_MEMORY 0x800
-
-/* 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. */
#define bfd_asymbol_name(x) ((x)->name)
/*Perhaps future: #define bfd_asymbol_bfd(x) ((x)->section->owner)*/
#define bfd_asymbol_bfd(x) ((x)->the_bfd)
-#define bfd_asymbol_flavour(x) (bfd_asymbol_bfd(x)->xvec->flavour)
+#define bfd_asymbol_flavour(x) \
+ (((x)->flags & BSF_SYNTHETIC) != 0 \
+ ? bfd_target_unknown_flavour \
+ : bfd_asymbol_bfd (x)->xvec->flavour)
/* A canonical archive symbol. */
/* This is a type pun with struct ranlib on purpose! */
(((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
(struct bfd_hash_table *, const char *, bfd_boolean create,
bfd_boolean copy);
+/* Insert an entry in a hash table. */
+extern struct bfd_hash_entry *bfd_hash_insert
+ (struct bfd_hash_table *, const char *, unsigned long);
+
/* Replace an entry in a hash table. */
extern void bfd_hash_replace
(struct bfd_hash_table *, struct bfd_hash_entry *old,
#define bfd_applicable_section_flags(abfd) ((abfd)->xvec->section_flags)
#define bfd_my_archive(abfd) ((abfd)->my_archive)
#define bfd_has_map(abfd) ((abfd)->has_armap)
+#define bfd_is_thin_archive(abfd) ((abfd)->is_thin_archive)
#define bfd_valid_reloc_types(abfd) ((abfd)->xvec->valid_reloc_types)
#define bfd_usrdata(abfd) ((abfd)->usrdata)
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 *);
+ (bfd *, const char *, const char *, const char *, const char *, const char *,
+ const char * const *, 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 void bfd_elf_m68k_set_target_options (struct bfd_link_info *, int);
+
+extern bfd_boolean bfd_bfin_elf32_create_embedded_relocs
+ (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *,
+ char **);
+
+extern bfd_boolean bfd_cr16_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. */
/* XCOFF support routines for the linker. */
+extern bfd_boolean bfd_xcoff_split_import_path
+ (bfd *, const char *, const char **, const char **);
+extern bfd_boolean bfd_xcoff_set_archive_import_path
+ (struct bfd_link_info *, bfd *, const char *);
extern bfd_boolean bfd_xcoff_link_record_set
(bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *, bfd_size_type);
extern bfd_boolean bfd_xcoff_import_symbol
extern bfd_boolean bfd_xcoff_size_dynamic_sections
(bfd *, struct bfd_link_info *, const char *, const char *,
unsigned long, unsigned long, unsigned long, bfd_boolean,
- int, bfd_boolean, bfd_boolean, struct bfd_section **, bfd_boolean);
+ int, bfd_boolean, unsigned int, struct bfd_section **, bfd_boolean);
extern bfd_boolean bfd_xcoff_link_generate_rtinit
(bfd *, const char *, const char *, bfd_boolean);
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 void bfd_elf32_arm_set_cortex_a8_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);
+ (bfd *, struct bfd_link_info *);
void bfd_elf32_arm_set_target_relocs
- (struct bfd_link_info *, int, char *, int);
+ (bfd *, struct bfd_link_info *, int, char *, int, int, bfd_arm_vfp11_fix,
+ int, int, 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 unsigned int bfd_arm_get_mach_from_notes
(bfd *, const char *);
+/* ARM stub generation support. Called from the linker. */
+extern int elf32_arm_setup_section_lists
+ (bfd *, struct bfd_link_info *);
+extern void elf32_arm_next_input_section
+ (struct bfd_link_info *, struct bfd_section *);
+extern bfd_boolean elf32_arm_size_stubs
+ (bfd *, bfd *, struct bfd_link_info *, bfd_signed_vma,
+ struct bfd_section * (*) (const char *, struct bfd_section *), void (*) (void));
+extern bfd_boolean elf32_arm_build_stubs
+ (struct bfd_link_info *);
+
+/* ARM unwind section editing support. */
+extern bfd_boolean elf32_arm_fix_exidx_coverage
+ (struct bfd_section **, unsigned int, struct bfd_link_info *);
+
+/* PowerPC @tls opcode transform/validate. */
+extern unsigned int _bfd_elf_ppc_at_tls_transform
+ (unsigned int, unsigned int);
+
/* TI COFF load page support. */
extern void bfd_ticoff_set_section_load_page
(struct bfd_section *, int);
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