#define ElfNAME(X) NAME(Elf,X)
#define elfNAME(X) NAME(elf,X)
+/* Information held for an ELF symbol. The first field is the
+ corresponding asymbol. Every symbol is an ELF file is actually a
+ pointer to this structure, although it is often handled as a
+ pointer to an asymbol. */
+
typedef struct
{
+ /* The BFD symbol. */
asymbol symbol;
+ /* ELF symbol information. */
Elf_Internal_Sym internal_elf_sym;
+ /* Backend specific information. */
union
{
unsigned int hppa_arg_reloc;
+ PTR mips_extr;
PTR any;
}
tc_data;
} elf_symbol_type;
+/* Constant information held for an ELF backend. */
+
struct elf_backend_data
{
+ /* Whether the backend uses REL or RELA relocations. FIXME: some
+ ELF backends use both. When we need to support one, this whole
+ approach will need to be changed. */
int use_rela_p;
+
+ /* Whether this backend is 64 bits or not. FIXME: Who cares? */
int elf_64_p;
+
+ /* The architecture for this backend. */
enum bfd_architecture arch;
+
+ /* The ELF machine code (EM_xxxx) for this backend. */
+ int elf_machine_code;
+
+ /* The maximum page size for this backend. */
+ bfd_vma maxpagesize;
+
+ /* A function to translate an ELF RELA relocation to a BFD arelent
+ structure. */
void (*elf_info_to_howto) PARAMS ((bfd *, arelent *,
Elf_Internal_Rela *));
+
+ /* A function to translate an ELF REL relocation to a BFD arelent
+ structure. */
void (*elf_info_to_howto_rel) PARAMS ((bfd *, arelent *,
Elf_Internal_Rel *));
- bfd_vma maxpagesize;
- void (*write_relocs) PARAMS ((bfd *, asection *, PTR));
+ /* A function to determine whether a symbol is global when
+ partitioning the symbol table into local and global symbols.
+ This should be NULL for most targets, in which case the correct
+ thing will be done. MIPS ELF, at least on the Irix 5, has
+ special requirements. */
+ boolean (*elf_backend_sym_is_global) PARAMS ((bfd *, asymbol *));
+
+ /* The remaining functions are hooks which are called only if they
+ are not NULL. */
+
+ /* A function to permit a backend specific check on whether a
+ particular BFD format is relevant for an object file, and to
+ permit the backend to set any global information it wishes. When
+ this is called elf_elfheader is set, but anything else should be
+ used with caution. If this returns false, the check_format
+ routine will return a bfd_error_wrong_format error. */
+ boolean (*elf_backend_object_p) PARAMS ((bfd *));
+
+ /* A function to do additional symbol processing when reading the
+ ELF symbol table. This is where any processor-specific special
+ section indices are handled. */
void (*elf_backend_symbol_processing) PARAMS ((bfd *, asymbol *));
- boolean (*elf_backend_symbol_table_processing) PARAMS ((bfd *, elf_symbol_type *, int));
- boolean (*elf_backend_section_processing) PARAMS ((bfd *, Elf32_Internal_Shdr *));
- boolean (*elf_backend_section_from_shdr) PARAMS ((bfd *, Elf32_Internal_Shdr *, char *));
- boolean (*elf_backend_fake_sections) PARAMS ((bfd *, Elf32_Internal_Shdr *, asection *));
- boolean (*elf_backend_section_from_bfd_section) PARAMS ((bfd *, Elf32_Internal_Shdr *, asection *));
+
+ /* A function to do additional symbol processing after reading the
+ entire ELF symbol table. */
+ boolean (*elf_backend_symbol_table_processing) PARAMS ((bfd *,
+ elf_symbol_type *,
+ int));
+
+ /* A function to do additional processing on the ELF section header
+ just before writing it out. This is used to set the flags and
+ type fields for some sections, or to actually write out data for
+ unusual sections. */
+ boolean (*elf_backend_section_processing) PARAMS ((bfd *,
+ Elf32_Internal_Shdr *));
+
+ /* A function to handle unusual section types when creating BFD
+ sections from ELF sections. */
+ boolean (*elf_backend_section_from_shdr) PARAMS ((bfd *,
+ Elf32_Internal_Shdr *,
+ char *));
+
+ /* A function to set up the ELF section header for a BFD section in
+ preparation for writing it out. This is where the flags and type
+ fields are set for unusual sections. */
+ boolean (*elf_backend_fake_sections) PARAMS ((bfd *, Elf32_Internal_Shdr *,
+ asection *));
+
+ /* A function to get the ELF section index for a BFD section. If
+ this returns true, the section was found. If it is a normal ELF
+ section, *RETVAL should be left unchanged. If it is not a normal
+ ELF section *RETVAL should be set to the SHN_xxxx index. */
+ boolean (*elf_backend_section_from_bfd_section)
+ PARAMS ((bfd *, Elf32_Internal_Shdr *, asection *, int *retval));
+
+ /* A function to do any final processing needed for the ELF file
+ before writing it out. */
+ void (*elf_backend_final_write_processing) PARAMS ((bfd *));
+
+ /* The swapping table to use when dealing with ECOFF information.
+ Used for the MIPS ELF .mdebug section. */
+ const struct ecoff_debug_swap *elf_backend_ecoff_debug_swap;
};
struct elf_sym_extra
typedef struct elf_sym_extra Elf_Sym_Extra;
-struct bfd_elf_arch_map {
- enum bfd_architecture bfd_arch;
- int elf_arch;
-};
-
-extern const struct bfd_elf_arch_map bfd_elf_arch_map[];
-extern const int bfd_elf_arch_map_size;
-
struct bfd_elf_section_data {
Elf_Internal_Shdr this_hdr;
Elf_Internal_Shdr rel_hdr;
file_ptr next_file_pos;
void *prstatus; /* The raw /proc prstatus structure */
void *prpsinfo; /* The raw /proc prpsinfo structure */
+ bfd_vma gp; /* The gp value (MIPS only, for now) */
+ int gp_size; /* The gp size (MIPS only, for now) */
};
#define elf_tdata(bfd) ((bfd) -> tdata.elf_obj_data)
#define core_prstatus(bfd) (elf_tdata(bfd) -> prstatus)
#define obj_symbols(bfd) (elf_tdata(bfd) -> symbols)
#define obj_internal_syms(bfd) (elf_tdata(bfd) -> internal_syms)
+#define elf_gp(bfd) (elf_tdata(bfd) -> gp)
+#define elf_gp_size(bfd) (elf_tdata(bfd) -> gp_size)
extern char * elf_string_from_elf_section PARAMS ((bfd *, unsigned, unsigned));
extern char * elf_get_str_section PARAMS ((bfd *, unsigned));
asymbol *,
PTR,
asection *,
- bfd *));
+ bfd *,
+ char **));
extern boolean bfd_elf_mkobject PARAMS ((bfd *));
extern Elf_Internal_Shdr *bfd_elf_find_section PARAMS ((bfd *, char *));
projects / deliverable / binutils-gdb.git / blobdiff