#define ElfNAME(X) NAME(Elf,X)
#define elfNAME(X) NAME(elf,X)
-typedef struct
-{
- asymbol symbol;
- Elf_Internal_Sym internal_elf_sym;
- /* these are used for the generation of .stabX symbols (?) */
- short desc;
- unsigned char type;
- char other;
- union
- {
- unsigned int hppa_arg_reloc;
- PTR any;
- }
- tc_data;
- Elf32_External_Sym native_elf_sym;
-} elf32_symbol_type;
+/* 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;
- /* these are used for the generation of .stabX symbols (?) */
- short desc;
- unsigned char type;
- char other;
+ /* Backend specific information. */
union
{
unsigned int hppa_arg_reloc;
+ PTR mips_extr;
PTR any;
}
tc_data;
- Elf64_External_Sym native_elf_sym;
-} elf64_symbol_type;
+} 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));
-
- /* @@ I really don't think this should be here. I don't know what
- global_sym is supposed to be used for, but I doubt it's something
- that would be considered global, e.g., if you've got a program
- reading and writing many BFDs. My hunch is that it's specific to
- the output BFD. If not, put a comment here explaining why. */
- /* @@ Was pointer to elfNAME(symbol_type). This makes it size-
- independent. */
- PTR global_sym;
+
+ /* 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 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 *));
+
+ /* 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;
int this_idx, rel_idx;
-#if 0
- Elf_Internal_Shdr str_hdr;
- int str_idx;
-#endif
};
#define elf_section_data(sec) ((struct bfd_elf_section_data*)sec->used_by_bfd)
#define shdr_name(abfd,shdr) (elf_shstrtab (abfd)->tab + (shdr)->sh_name)
struct strtab *strtab_ptr;
int num_locals;
int num_globals;
- PTR raw_syms; /* Elf_External_Sym* */
Elf_Internal_Sym *internal_syms;
- PTR symbols; /* elf_symbol_type */
+ elf_symbol_type *symbols; /* elf_symbol_type */
Elf_Sym_Extra *sym_extra;
asymbol **section_syms; /* STT_SECTION symbols for each section */
int num_section_syms; /* number of section_syms allocated */
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 elf_num_section_syms(bfd) (elf_tdata(bfd) -> num_section_syms)
#define core_prpsinfo(bfd) (elf_tdata(bfd) -> prpsinfo)
#define core_prstatus(bfd) (elf_tdata(bfd) -> prstatus)
-#define obj_symbols(bfd) ((elf_symbol_type*)(elf_tdata(bfd) -> symbols))
-#define obj_raw_syms(bfd) ((Elf_External_Sym*)(elf_tdata(bfd) -> raw_syms))
+#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 *));
+
extern boolean bfd_elf32_write_object_contents PARAMS ((bfd *));
extern boolean bfd_elf64_write_object_contents PARAMS ((bfd *));
projects / binutils.git / blobdiff