/* 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 Free Software Foundation, Inc.
+ 2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
Written by Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
#define _LIBELF_H_ 1
#include "elf/common.h"
-#include "elf/internal.h"
#include "elf/external.h"
+#include "elf/internal.h"
#include "bfdlink.h"
/* The number of entries in a section is its size divided by the size
bfd_boolean (*elf_backend_modify_program_headers)
(bfd *, struct bfd_link_info *);
+ /* This function is called before section garbage collection to
+ mark entry symbol sections. */
+ void (*gc_keep)
+ (struct bfd_link_info *);
+
/* This function is called during section garbage collection to
mark sections that define global symbols. */
bfd_boolean (*gc_mark_dynamic_ref)
- (struct elf_link_hash_entry *h, void *inf);
+ (struct elf_link_hash_entry *, void *);
/* This function is called during section gc to discover the section a
particular relocation refers to. */
/* This function, if defined, is called after the first gc marking pass
to allow the backend to mark additional sections. */
bfd_boolean (*gc_mark_extra_sections)
- (struct bfd_link_info *info, elf_gc_mark_hook_fn gc_mark_hook);
+ (struct bfd_link_info *, elf_gc_mark_hook_fn);
/* This function, if defined, is called during the sweep phase of gc
in order that a backend might update any data structures it might
be maintaining. */
bfd_boolean (*gc_sweep_hook)
- (bfd *abfd, struct bfd_link_info *info, asection *o,
- const Elf_Internal_Rela *relocs);
+ (bfd *, struct bfd_link_info *, asection *, const Elf_Internal_Rela *);
/* This function, if defined, is called after the ELF headers have
been created. This allows for things like the OS and ABI versions
(struct elf_link_hash_entry *, const Elf_Internal_Sym *, bfd_boolean,
bfd_boolean);
+ /* This function, if defined, will return a string containing the
+ name of a target-specific dynamic tag. */
+ char *(*elf_backend_get_target_dtag)
+ (bfd_vma);
+
/* Decide whether an undefined symbol is special and can be ignored.
This is the case for OPTIONAL symbols on IRIX. */
bfd_boolean (*elf_backend_ignore_undef_symbol)
section. */
unsigned default_use_rela_p : 1;
+ /* True if PLT and copy relocations should be RELA by default. */
+ unsigned rela_plts_and_copies_p : 1;
+
/* Set if RELA relocations for a relocatable link can be handled by
generic code. Backends that set this flag need do nothing in the
backend relocate_section routine for relocatable linking. */
Tag_compatibility = 32
};
+/* Enum used to identify target specific extensions to the elf_obj_tdata
+ structure. Note the enums deliberately start from 1 so that we can
+ detect an uninitialized field. The generic value is last so that
+ additions to this enum do not need to modify more than one line. */
+enum elf_object_id
+{
+ ALPHA_ELF_TDATA = 1,
+ ARM_ELF_TDATA,
+ HPPA_ELF_TDATA,
+ I386_ELF_TDATA,
+ MIPS_ELF_TDATA,
+ PPC32_ELF_TDATA,
+ PPC64_ELF_TDATA,
+ S390_ELF_TDATA,
+ SH_ELF_TDATA,
+ SPARC_ELF_TDATA,
+ X86_64_ELF_TDATA,
+ XTENSA_ELF_TDATA,
+ GENERIC_ELF_TDATA
+};
+
/* Some private data is stashed away for future use using the tdata pointer
in the bfd structure. */
/* NT_GNU_BUILD_ID note type. */
bfd_size_type build_id_size;
bfd_byte *build_id;
+
+ /* An identifier used to distinguish different target
+ specific extensions to this structure. */
+ enum elf_object_id object_id;
};
#define elf_tdata(bfd) ((bfd) -> tdata.elf_obj_data)
+
+#define elf_object_id(bfd) (elf_tdata(bfd) -> object_id)
+#define elf_program_header_size(bfd) (elf_tdata(bfd) -> program_header_size)
#define elf_elfheader(bfd) (elf_tdata(bfd) -> elf_header)
#define elf_elfsections(bfd) (elf_tdata(bfd) -> elf_sect_ptr)
#define elf_numsections(bfd) (elf_tdata(bfd) -> num_elf_sections)
#define elf_shstrtab(bfd) (elf_tdata(bfd) -> strtab_ptr)
#define elf_onesymtab(bfd) (elf_tdata(bfd) -> symtab_section)
#define elf_symtab_shndx(bfd) (elf_tdata(bfd) -> symtab_shndx_section)
+#define elf_symtab_hdr(bfd) (elf_tdata(bfd) -> symtab_hdr)
#define elf_dynsymtab(bfd) (elf_tdata(bfd) -> dynsymtab_section)
#define elf_dynversym(bfd) (elf_tdata(bfd) -> dynversym_section)
#define elf_dynverdef(bfd) (elf_tdata(bfd) -> dynverdef_section)
extern void _bfd_elf_swap_versym_out
(bfd *, const Elf_Internal_Versym *, Elf_External_Versym *);
-extern int _bfd_elf_section_from_bfd_section
+extern unsigned int _bfd_elf_section_from_bfd_section
(bfd *, asection *);
extern char *bfd_elf_string_from_elf_section
(bfd *, unsigned, unsigned);
extern bfd_reloc_status_type bfd_elf_generic_reloc
(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
-extern bfd_boolean bfd_elf_mkobject
+extern bfd_boolean bfd_elf_allocate_object
+ (bfd *, size_t, enum elf_object_id);
+extern bfd_boolean bfd_elf_make_generic_object
(bfd *);
extern bfd_boolean bfd_elf_mkcorefile
(bfd *);
extern bfd_boolean bfd_elf_final_link
(bfd *, struct bfd_link_info *);
+extern void _bfd_elf_gc_keep
+ (struct bfd_link_info *info);
+
extern bfd_boolean bfd_elf_gc_mark_dynamic_ref_symbol
(struct elf_link_hash_entry *h, void *inf);
(bfd *, char *, int *, const void *, int);
extern char *elfcore_write_ppc_vmx
(bfd *, char *, int *, const void *, int);
+extern char *elfcore_write_ppc_vsx
+ (bfd *, char *, int *, const void *, int);
extern char *elfcore_write_lwpstatus
(bfd *, char *, int *, long, int, const void *);
+extern char *elfcore_write_register_note
+ (bfd *, char *, int *, const char *, const void *, int);
extern bfd *_bfd_elf32_bfd_from_remote_memory
(bfd *templ, bfd_vma ehdr_vma, bfd_vma *loadbasep,
projects / deliverable / binutils-gdb.git / blobdiff