/* BFD back-end data structures for ELF files.
Copyright 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
- 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
+ 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
Free Software Foundation, Inc.
Written by Cygnus Support.
/* The BFD flags applied to sections created for dynamic linking. */
flagword dynamic_sec_flags;
+ /* Architecture-specific data for this backend.
+ This is actually a pointer to some type like struct elf_ARCH_data. */
+ const void *arch_data;
+
/* A function to translate an ELF RELA relocation to a BFD arelent
structure. */
void (*elf_info_to_howto)
/* Return TRUE if type is a function symbol type. */
bfd_boolean (*is_function_type) (unsigned int type);
+ /* Return TRUE if symbol may be a function. Set *CODE_SEC and *CODE_VAL
+ to the function's entry point. */
+ bfd_boolean (*maybe_function_sym) (const asymbol *sym,
+ asection **code_sec, bfd_vma *code_off);
+
/* Used to handle bad SHF_LINK_ORDER input. */
bfd_error_handler_type link_order_error_handler;
void *sec_info;
};
-#define elf_section_data(sec) ((struct bfd_elf_section_data*)(sec)->used_by_bfd)
+#define elf_section_data(sec) ((struct bfd_elf_section_data*)(sec)->used_by_bfd)
#define elf_linked_to_section(sec) (elf_section_data(sec)->linked_to)
-#define elf_section_type(sec) (elf_section_data(sec)->this_hdr.sh_type)
-#define elf_section_flags(sec) (elf_section_data(sec)->this_hdr.sh_flags)
-#define elf_group_name(sec) (elf_section_data(sec)->group.name)
-#define elf_group_id(sec) (elf_section_data(sec)->group.id)
-#define elf_next_in_group(sec) (elf_section_data(sec)->next_in_group)
-#define elf_fde_list(sec) (elf_section_data(sec)->fde_list)
+#define elf_section_type(sec) (elf_section_data(sec)->this_hdr.sh_type)
+#define elf_section_flags(sec) (elf_section_data(sec)->this_hdr.sh_flags)
+#define elf_group_name(sec) (elf_section_data(sec)->group.name)
+#define elf_group_id(sec) (elf_section_data(sec)->group.id)
+#define elf_next_in_group(sec) (elf_section_data(sec)->next_in_group)
+#define elf_fde_list(sec) (elf_section_data(sec)->fde_list)
#define elf_sec_group(sec) (elf_section_data(sec)->sec_group)
#define xvec_get_elf_backend_data(xvec) \
const char *dt_name;
/* The linker emulation needs to know what audit libs
- are used by a dynamic object. */
+ are used by a dynamic object. */
const char *dt_audit;
/* Records the result of `get_program_header_size'. */
(bfd *, const asection *, bfd *, const asection *);
extern bfd_boolean bfd_elf_is_group_section
(bfd *, const struct bfd_section *);
-extern void _bfd_elf_section_already_linked
- (bfd *, struct already_linked *, struct bfd_link_info *);
+extern bfd_boolean _bfd_elf_section_already_linked
+ (bfd *, asection *, struct bfd_link_info *);
extern void bfd_elf_set_group_contents
(bfd *, asection *, void *);
extern asection *_bfd_elf_check_kept_section
extern int _bfd_elf_symbol_from_bfd_symbol
(bfd *, asymbol **);
-extern Elf_Internal_Sym *bfd_sym_from_r_symndx
+extern Elf_Internal_Sym *bfd_sym_from_r_symndx
(struct sym_cache *, bfd *, unsigned long);
extern asection *bfd_section_from_elf_index
(bfd *, unsigned int);
extern asection *_bfd_elf_common_section
(asection *);
-extern void _bfd_dwarf2_cleanup_debug_info
- (bfd *);
-
extern bfd_vma _bfd_elf_default_got_elt_size
(bfd *, struct bfd_link_info *, struct elf_link_hash_entry *, bfd *,
unsigned long);
extern bfd_boolean _bfd_elf_is_function_type (unsigned int);
+extern bfd_boolean _bfd_elf_maybe_function_sym (const asymbol *,
+ asection **, bfd_vma *);
+
extern int bfd_elf_get_default_section_type (flagword);
extern void bfd_elf_lookup_section_flags
(bfd *, char *, int *, const void *, int);
extern char *elfcore_write_s390_prefix
(bfd *, char *, int *, const void *, int);
+extern char *elfcore_write_s390_last_break
+ (bfd *, char *, int *, const void *, int);
+extern char *elfcore_write_s390_system_call
+ (bfd *, char *, int *, const void *, int);
extern char *elfcore_write_arm_vfp
(bfd *, char *, int *, const void *, int);
extern char *elfcore_write_lwpstatus
/* This macro is to avoid lots of duplicated code in the body of the
loop over relocations in xxx_relocate_section() in the various
elfxx-xxxx.c files.
-
+
Handle relocations against symbols from removed linkonce sections,
or sections discarded by a linker script. When doing a relocatable
link, we remove such relocations. Otherwise, we just want the