* libelf.h: Added some comments.
(struct elf_backend_data): Added elf_backend_ecoff_debug_swap field. Removed unused write_relocs field. * elf32-target.h: Adjusted elf_backend_data initialization accordingly. * elf64-target.h: Corrected elf_backend_data initialization to fill in all fields and to set elf_64_p to 1.
This commit is contained in:
Ian Lance Taylor
parent
7420b02b8d
commit
95469b0290
@ -1,3 +1,13 @@
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Tue Nov 9 11:26:05 1993 Ian Lance Taylor (ian@tweedledumb.cygnus.com)
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* libelf.h: Added some comments.
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(struct elf_backend_data): Added elf_backend_ecoff_debug_swap
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field. Removed unused write_relocs field.
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* elf32-target.h: Adjusted elf_backend_data initialization
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accordingly.
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* elf64-target.h: Corrected elf_backend_data initialization to
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fill in all fields and to set elf_64_p to 1.
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Mon Nov 8 18:13:14 1993 Ian Lance Taylor (ian@tweedledumb.cygnus.com)
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* elfcode.h (bfd_section_from_shdr): Remove duplicate assignment
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@ -79,6 +79,9 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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#ifndef elf_backend_section_from_bfd_section
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#define elf_backend_section_from_bfd_section 0 /* elf_backend_section_from_bfd_section */
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#endif
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#ifndef elf_backend_ecoff_debug_swap
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#define elf_backend_ecoff_debug_swap 0 /* elf_backed_ecoff_debug_swap */
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#endif
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static CONST struct elf_backend_data elf32_bed =
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{
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@ -89,16 +92,16 @@ static CONST struct elf_backend_data elf32_bed =
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#endif
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0, /* elf_64_p */
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ELF_ARCH, /* arch */
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ELF_MAXPAGESIZE, /* maxpagesize */
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elf_info_to_howto, /* elf_info_to_howto */
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elf_info_to_howto_rel, /* elf_info_to_howto_rel */
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ELF_MAXPAGESIZE, /* maxpagesize */
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bfd_elf32__write_relocs, /* write_relocs */
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elf_backend_symbol_processing, /* elf_backend_symbol_processing */
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elf_backend_symbol_table_processing, /* elf_backend_symbol_table_processing */
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elf_backend_section_processing, /* elf_backend_section_processing */
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elf_backend_section_from_shdr, /* elf_backend_section_from_shdr */
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elf_backend_fake_sections, /* elf_backend_fake_sections */
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elf_backend_section_from_bfd_section, /* elf_backend_section_from_bfd_section */
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elf_backend_ecoff_debug_swap /* elf_backend_ecoff_debug_swap */
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};
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#ifdef TARGET_BIG_SYM
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@ -59,6 +59,28 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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#define ELF_MAXPAGESIZE 1
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#endif
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#ifndef elf_backend_symbol_processing
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#define elf_backend_symbol_processing 0 /* elf_backend_symbol_processing */
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#endif
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#ifndef elf_backend_symbol_table_processing
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#define elf_backend_symbol_table_processing 0 /* elf_backend_symbol_table_processing */
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#endif
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#ifndef elf_backend_section_processing
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#define elf_backend_section_processing 0 /* elf_backend_section_processing */
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#endif
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#ifndef elf_backend_section_from_shdr
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#define elf_backend_section_from_shdr 0 /* elf_backend_section_from_shdr */
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#endif
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#ifndef elf_backend_fake_sections
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#define elf_backend_fake_sections 0 /* elf_backend_fake_sections */
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#endif
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#ifndef elf_backend_section_from_bfd_section
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#define elf_backend_section_from_bfd_section 0 /* elf_backend_section_from_bfd_section */
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#endif
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#ifndef elf_backend_ecoff_debug_swap
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#define elf_backend_ecoff_debug_swap 0 /* elf_backed_ecoff_debug_swap */
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#endif
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static CONST struct elf_backend_data elf64_bed =
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{
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#ifdef USE_REL
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@ -66,15 +88,18 @@ static CONST struct elf_backend_data elf64_bed =
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#else
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1, /* use_rela_p */
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#endif
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0, /* elf_64_p */
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1, /* elf_64_p */
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ELF_ARCH, /* arch */
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elf_info_to_howto, /* elf_info_to_howto */
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#ifdef elf_info_to_howto_rel
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elf_info_to_howto_rel, /* elf_info_to_howto_rel */
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#else
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0, /* elf_info_to_howto_rel */
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#endif
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ELF_MAXPAGESIZE, /* maxpagesize */
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elf_info_to_howto, /* elf_info_to_howto */
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elf_info_to_howto_rel, /* elf_info_to_howto_rel */
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elf_backend_symbol_processing, /* elf_backend_symbol_processing */
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elf_backend_symbol_table_processing, /* elf_backend_symbol_table_processing */
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elf_backend_section_processing, /* elf_backend_section_processing */
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elf_backend_section_from_shdr, /* elf_backend_section_from_shdr */
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elf_backend_fake_sections, /* elf_backend_fake_sections */
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elf_backend_section_from_bfd_section, /* elf_backend_section_from_bfd_section */
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elf_backend_ecoff_debug_swap /* elf_backend_ecoff_debug_swap */
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};
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#ifdef TARGET_BIG_SYM
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75
bfd/libelf.h
75
bfd/libelf.h
@ -42,10 +42,18 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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#define ElfNAME(X) NAME(Elf,X)
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#define elfNAME(X) NAME(elf,X)
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/* Information held for an ELF symbol. The first field is the
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corresponding asymbol. Every symbol is an ELF file is actually a
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pointer to this structure, although it is often handled as a
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pointer to an asymbol. */
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typedef struct
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{
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/* The BFD symbol. */
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asymbol symbol;
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/* ELF symbol information. */
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Elf_Internal_Sym internal_elf_sym;
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/* Backend specific information. */
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union
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{
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unsigned int hppa_arg_reloc;
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@ -54,24 +62,77 @@ typedef struct
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tc_data;
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} elf_symbol_type;
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/* Constant information held for an ELF backend. */
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struct elf_backend_data
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{
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/* Whether the backend uses REL or RELA relocations. FIXME: some
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ELF backends use both. When we need to support one, this whole
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approach will need to be changed. */
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int use_rela_p;
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/* Whether this backend is 64 bits or not. FIXME: Who cares? */
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int elf_64_p;
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/* The architecture for this backend. */
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enum bfd_architecture arch;
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/* The maximum page size for this backend. */
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bfd_vma maxpagesize;
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/* A function to translate an ELF RELA relocation to a BFD arelent
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structure. */
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void (*elf_info_to_howto) PARAMS ((bfd *, arelent *,
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Elf_Internal_Rela *));
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/* A function to translate an ELF REL relocation to a BFD arelent
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structure. */
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void (*elf_info_to_howto_rel) PARAMS ((bfd *, arelent *,
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Elf_Internal_Rel *));
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bfd_vma maxpagesize;
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void (*write_relocs) PARAMS ((bfd *, asection *, PTR));
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/* The remaining functions are hooks which are called only if they
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are not NULL. */
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/* A function to do additional symbol processing when reading the
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ELF symbol table. This is where any processor-specific special
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section indices are handled. */
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void (*elf_backend_symbol_processing) PARAMS ((bfd *, asymbol *));
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boolean (*elf_backend_symbol_table_processing) PARAMS ((bfd *, elf_symbol_type *, int));
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boolean (*elf_backend_section_processing) PARAMS ((bfd *, Elf32_Internal_Shdr *));
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boolean (*elf_backend_section_from_shdr) PARAMS ((bfd *, Elf32_Internal_Shdr *, char *));
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boolean (*elf_backend_fake_sections) PARAMS ((bfd *, Elf32_Internal_Shdr *, asection *));
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boolean (*elf_backend_section_from_bfd_section) PARAMS ((bfd *, Elf32_Internal_Shdr *, asection *, int *));
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/* A function to do additional symbol processing after reading the
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entire ELF symbol table. */
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boolean (*elf_backend_symbol_table_processing) PARAMS ((bfd *,
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elf_symbol_type *,
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int));
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/* A function to do additional processing on the ELF section header
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just before writing it out. This is used to set the flags and
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type fields for some sections, or to actually write out data for
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unusual sections. */
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boolean (*elf_backend_section_processing) PARAMS ((bfd *,
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Elf32_Internal_Shdr *));
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/* A function to handle unusual section types when creating BFD
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sections from ELF sections. */
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boolean (*elf_backend_section_from_shdr) PARAMS ((bfd *,
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Elf32_Internal_Shdr *,
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char *));
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/* A function to set up the ELF section header for a BFD section in
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preparation for writing it out. This is where the flags and type
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fields are set for unusual sections. */
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boolean (*elf_backend_fake_sections) PARAMS ((bfd *, Elf32_Internal_Shdr *,
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asection *));
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/* A function to get the ELF section index for a BFD section. If
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this returns true, the section was found. If it is a normal ELF
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section, *RETVAL should be left unchanged. If it is not a normal
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ELF section *RETVAL should be set to the SHN_xxxx index. */
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boolean (*elf_backend_section_from_bfd_section)
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PARAMS ((bfd *, Elf32_Internal_Shdr *, asection *, int *retval));
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/* The swapping table to use when dealing with ECOFF information.
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Used for the MIPS ELF .mdebug section. */
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const struct ecoff_debug_swap *elf_backend_ecoff_debug_swap;
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};
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struct elf_sym_extra
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