/* 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
+ 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
Free Software Foundation, Inc.
Written by Cygnus Support.
};
/* Will references to this symbol always reference the symbol
- in this object? STV_PROTECTED is excluded from the visibility test
- here so that function pointer comparisons work properly. Since
- function symbols not defined in an app are set to their .plt entry,
- it's necessary for shared libs to also reference the .plt even
- though the symbol is really local to the shared lib. */
+ in this object? */
#define SYMBOL_REFERENCES_LOCAL(INFO, H) \
_bfd_elf_symbol_refs_local_p (H, INFO, 0)
TIC6X_ELF_DATA,
X86_64_ELF_DATA,
XTENSA_ELF_DATA,
+ XGATE_ELF_DATA,
+ TILEGX_ELF_DATA,
+ TILEPRO_ELF_DATA,
GENERIC_ELF_DATA
};
/* 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)
char *(*elf_backend_write_core_note)
(bfd *abfd, char *buf, int *bufsiz, int note_type, ...);
+ /* This function, if defined, is called to convert target-specific
+ section flag names into hex values. */
+ flagword (*elf_backend_lookup_section_flags_hook)
+ (char *);
+
/* This function returns class of a reloc type. */
enum elf_reloc_type_class (*elf_backend_reloc_type_class)
(const Elf_Internal_Rela *);
/* 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 bfd_section *, 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
(asection *, struct bfd_link_info *);
-extern void _bfd_elf_link_just_syms
- (asection *, struct bfd_link_info *);
+#define _bfd_elf_link_just_syms _bfd_generic_link_just_syms
extern void _bfd_elf_copy_link_hash_symbol_type
(bfd *, struct bfd_link_hash_entry *, struct bfd_link_hash_entry *);
extern bfd_boolean _bfd_elf_size_group_sections
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_gc_mark
(struct bfd_link_info *, asection *, elf_gc_mark_hook_fn);
+extern bfd_boolean _bfd_elf_gc_mark_extra_sections
+ (struct bfd_link_info *, elf_gc_mark_hook_fn);
+
extern bfd_boolean bfd_elf_gc_common_finalize_got_offsets
(bfd *, struct bfd_link_info *);
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
+ (struct bfd_link_info *, struct flag_info *);
+
extern Elf_Internal_Phdr * _bfd_elf_find_segment_containing_section
(bfd * abfd, asection * section);
(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
(bfd *, char *, int *, long, int, const void *);
extern char *elfcore_write_register_note
extern bfd_boolean _bfd_elf_merge_unknown_attribute_list (bfd *, bfd *);
extern Elf_Internal_Shdr *_bfd_elf_single_rel_hdr (asection *sec);
-/* The linker may needs to keep track of the number of relocs that it
+/* The linker may need to keep track of the number of relocs that it
decides to copy as dynamic relocs in check_relocs for each symbol.
This is so that it can later discard them if they are found to be
unnecessary. We can store the information in a field extending the
/* 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
section contents zeroed and avoid any special processing. */
#define RELOC_AGAINST_DISCARDED_SECTION(info, input_bfd, input_section, \
- rel, relend, howto, contents) \
+ rel, count, relend, \
+ howto, index, contents) \
{ \
+ int i_; \
_bfd_clear_contents (howto, input_bfd, input_section, \
- contents + rel->r_offset); \
+ contents + rel[index].r_offset); \
\
if (info->relocatable \
&& (input_section->flags & SEC_DEBUGGING)) \
rel_hdr = _bfd_elf_single_rel_hdr (input_section->output_section); \
\
/* Avoid empty output section. */ \
- if (rel_hdr->sh_size > rel_hdr->sh_entsize) \
+ if (rel_hdr->sh_size > count * rel_hdr->sh_entsize) \
{ \
- rel_hdr->sh_size -= rel_hdr->sh_entsize; \
+ rel_hdr->sh_size -= count * rel_hdr->sh_entsize; \
rel_hdr = _bfd_elf_single_rel_hdr (input_section); \
- rel_hdr->sh_size -= rel_hdr->sh_entsize; \
+ rel_hdr->sh_size -= count * rel_hdr->sh_entsize; \
\
- memmove (rel, rel + 1, (relend - rel) * sizeof (*rel)); \
+ memmove (rel, rel + count, \
+ (relend - rel - count) * sizeof (*rel)); \
\
- input_section->reloc_count--; \
- relend--; \
+ input_section->reloc_count -= count; \
+ relend -= count; \
rel--; \
continue; \
} \
} \
\
- rel->r_info = 0; \
- rel->r_addend = 0; \
+ for (i_ = 0; i_ < count; i_++) \
+ { \
+ rel[i_].r_info = 0; \
+ rel[i_].r_addend = 0; \
+ } \
+ rel += count - 1; \
continue; \
}
projects / deliverable / binutils-gdb.git / blobdiff