/* BFD back-end data structures for ELF files.
- Copyright 1992-2013 Free Software Foundation, Inc.
+ Copyright (C) 1992-2014 Free Software Foundation, Inc.
Written by Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
MICROBLAZE_ELF_DATA,
MIPS_ELF_DATA,
MN10300_ELF_DATA,
+ NDS32_ELF_DATA,
NIOS2_ELF_DATA,
PPC32_ELF_DATA,
PPC64_ELF_DATA,
reloc_class_normal,
reloc_class_relative,
reloc_class_plt,
- reloc_class_copy
+ reloc_class_copy,
+ reloc_class_ifunc
};
struct elf_reloc_cookie
bfd_boolean (*check_directives)
(bfd *abfd, struct bfd_link_info *info);
- /* The AS_NEEDED_CLEANUP function is called once per --as-needed
- input file that was not needed by the add_symbols phase of the
- ELF backend linker. The function must undo any target specific
- changes in the symbol hash table. */
- bfd_boolean (*as_needed_cleanup)
- (bfd *abfd, struct bfd_link_info *info);
+ /* The NOTICE_AS_NEEDED function is called as the linker is about to
+ handle an as-needed lib (ACT = notice_as_needed), and after the
+ linker has decided to keep the lib (ACT = notice_needed) or when
+ the lib is not needed (ACT = notice_not_needed). */
+ bfd_boolean (*notice_as_needed)
+ (bfd *abfd, struct bfd_link_info *info, enum notice_asneeded_action act);
/* The ADJUST_DYNAMIC_SYMBOL function is called by the ELF backend
linker for every symbol which is defined by a dynamic object and
/* This function returns class of a reloc type. */
enum elf_reloc_type_class (*elf_backend_reloc_type_class)
- (const Elf_Internal_Rela *);
+ (const struct bfd_link_info *, const asection *, const Elf_Internal_Rela *);
/* This function, if defined, removes information about discarded functions
from other sections which mention them. */
/* This function implements `bfd_elf_bfd_from_remote_memory';
see elf.c, elfcode.h. */
bfd *(*elf_backend_bfd_from_remote_memory)
- (bfd *templ, bfd_vma ehdr_vma, bfd_vma *loadbasep,
- int (*target_read_memory) (bfd_vma vma, bfd_byte *myaddr,
- bfd_size_type len));
+ (bfd *templ, bfd_vma ehdr_vma, size_t size, bfd_vma *loadbasep,
+ int (*target_read_memory) (bfd_vma vma, bfd_byte *myaddr,
+ bfd_size_type len));
/* This function is used by `_bfd_elf_get_synthetic_symtab';
see elf.c. */
other file in the link needs to have a .note.GNU-stack section
for a PT_GNU_STACK segment to be created. */
unsigned default_execstack : 1;
+
+ /* True if elf_section_data(sec)->this_hdr.contents is sec->rawsize
+ in length rather than sec->size in length, if sec->rawsize is
+ non-zero and smaller than sec->size. */
+ unsigned caches_rawsize : 1;
};
/* Information about reloc sections associated with a bfd_elf_section_data
(bfd *input_bfd, struct bfd_link_info *info, asection *eh_frame_section);
extern enum elf_reloc_type_class _bfd_elf_reloc_type_class
- (const Elf_Internal_Rela *);
+ (const struct bfd_link_info *, const asection *,
+ const Elf_Internal_Rela *);
extern bfd_vma _bfd_elf_rela_local_sym
(bfd *, Elf_Internal_Sym *, asection **, Elf_Internal_Rela *);
extern bfd_vma _bfd_elf_rel_local_sym
extern bfd_boolean _bfd_elf_setup_sections
(bfd *);
-extern void _bfd_elf_set_osabi (bfd * , struct bfd_link_info *);
+extern void _bfd_elf_post_process_headers (bfd * , struct bfd_link_info *);
extern const bfd_target *bfd_elf32_object_p
(bfd *);
extern bfd_boolean _bfd_elf_relocs_compatible
(const bfd_target *, const bfd_target *);
+extern bfd_boolean _bfd_elf_notice_as_needed
+ (bfd *, struct bfd_link_info *, enum notice_asneeded_action);
extern struct elf_link_hash_entry *_bfd_elf_archive_symbol_lookup
(bfd *, struct bfd_link_info *, const char *);
(bfd *, char *, int *, const struct elf_internal_linux_prpsinfo *);
extern bfd *_bfd_elf32_bfd_from_remote_memory
- (bfd *templ, bfd_vma ehdr_vma, bfd_vma *loadbasep,
+ (bfd *templ, bfd_vma ehdr_vma, size_t size, bfd_vma *loadbasep,
int (*target_read_memory) (bfd_vma, bfd_byte *, bfd_size_type));
extern bfd *_bfd_elf64_bfd_from_remote_memory
- (bfd *templ, bfd_vma ehdr_vma, bfd_vma *loadbasep,
+ (bfd *templ, bfd_vma ehdr_vma, size_t size, bfd_vma *loadbasep,
int (*target_read_memory) (bfd_vma, bfd_byte *, bfd_size_type));
extern bfd_vma bfd_elf_obj_attr_size (bfd *);
extern bfd_boolean _bfd_elf_create_ifunc_sections
(bfd *, struct bfd_link_info *);
-extern asection * _bfd_elf_create_ifunc_dyn_reloc
- (bfd *, struct bfd_link_info *, asection *sec, asection *sreloc,
- struct elf_dyn_relocs **);
extern bfd_boolean _bfd_elf_allocate_ifunc_dyn_relocs
(struct bfd_link_info *, struct elf_link_hash_entry *,
- struct elf_dyn_relocs **, unsigned int, unsigned int);
+ struct elf_dyn_relocs **, unsigned int, unsigned int, unsigned int);
extern void elf_append_rela (bfd *, asection *, Elf_Internal_Rela *);
extern void elf_append_rel (bfd *, asection *, Elf_Internal_Rela *);
#define RELOC_FOR_GLOBAL_SYMBOL(info, input_bfd, input_section, rel, \
r_symndx, symtab_hdr, sym_hashes, \
h, sec, relocation, \
- unresolved_reloc, warned) \
+ unresolved_reloc, warned, ignored) \
do \
{ \
/* It seems this can happen with erroneous or unsupported \
h = (struct elf_link_hash_entry *) h->root.u.i.link; \
\
warned = FALSE; \
+ ignored = FALSE; \
unresolved_reloc = FALSE; \
relocation = 0; \
if (h->root.type == bfd_link_hash_defined \
; \
else if (info->unresolved_syms_in_objects == RM_IGNORE \
&& ELF_ST_VISIBILITY (h->other) == STV_DEFAULT) \
- ; \
+ ignored = TRUE; \
else if (!info->relocatable) \
{ \
bfd_boolean err; \
} \
(void) unresolved_reloc; \
(void) warned; \
+ (void) ignored; \
} \
while (0)
rel_hdr = _bfd_elf_single_rel_hdr (input_section->output_section); \
\
/* Avoid empty output section. */ \
- if (rel_hdr->sh_size > count * rel_hdr->sh_entsize) \
+ if (rel_hdr->sh_size > rel_hdr->sh_entsize) \
{ \
- rel_hdr->sh_size -= count * rel_hdr->sh_entsize; \
+ rel_hdr->sh_size -= rel_hdr->sh_entsize; \
rel_hdr = _bfd_elf_single_rel_hdr (input_section); \
- rel_hdr->sh_size -= count * rel_hdr->sh_entsize; \
+ rel_hdr->sh_size -= rel_hdr->sh_entsize; \
\
memmove (rel, rel + count, \
(relend - rel - count) * sizeof (*rel)); \
\
- input_section->reloc_count -= count; \
+ input_section->reloc_count--; \
relend -= count; \
rel--; \
continue; \