diff options
Diffstat (limited to 'bfd/elf32-mips.c')
| -rw-r--r-- | bfd/elf32-mips.c | 149 |
1 files changed, 148 insertions, 1 deletions
diff --git a/bfd/elf32-mips.c b/bfd/elf32-mips.c index 3cdaeee..6ed4ad3 100644 --- a/bfd/elf32-mips.c +++ b/bfd/elf32-mips.c @@ -37,6 +37,7 @@ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. #include "elf-bfd.h" #include "elfxx-mips.h" #include "elf/mips.h" +#include "elf-vxworks.h" /* Get the ECOFF swapping routines. */ #include "coff/sym.h" @@ -1319,10 +1320,12 @@ mips_elf32_rtype_to_howto (unsigned int r_type, static void mips_info_to_howto_rel (bfd *abfd, arelent *cache_ptr, Elf_Internal_Rela *dst) { + const struct elf_backend_data *bed; unsigned int r_type; r_type = ELF32_R_TYPE (dst->r_info); - cache_ptr->howto = mips_elf32_rtype_to_howto (r_type, FALSE); + bed = get_elf_backend_data (abfd); + cache_ptr->howto = bed->elf_backend_mips_rtype_to_howto (r_type, FALSE); /* The addend for a GPREL16 or LITERAL relocation comes from the GP value for the object file. We get the addend now, rather than @@ -1619,3 +1622,147 @@ static const struct ecoff_debug_swap mips_elf32_ecoff_debug_swap = { /* Include the target file again for this target. */ #include "elf32-target.h" + + +/* Specific to VxWorks. */ +static reloc_howto_type mips_vxworks_copy_howto_rela = + HOWTO (R_MIPS_COPY, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 32, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_bitfield, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_MIPS_COPY", /* name */ + FALSE, /* partial_inplace */ + 0x0, /* src_mask */ + 0x0, /* dst_mask */ + FALSE); /* pcrel_offset */ + +/* Specific to VxWorks. */ +static reloc_howto_type mips_vxworks_jump_slot_howto_rela = + HOWTO (R_MIPS_JUMP_SLOT, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 32, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_bitfield, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_MIPS_JUMP_SLOT", /* name */ + FALSE, /* partial_inplace */ + 0x0, /* src_mask */ + 0x0, /* dst_mask */ + FALSE); /* pcrel_offset */ + +/* Implement elf_backend_bfd_reloc_type_lookup for VxWorks. */ + +static reloc_howto_type * +mips_vxworks_bfd_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code) +{ + switch (code) + { + case BFD_RELOC_MIPS_COPY: + return &mips_vxworks_copy_howto_rela; + case BFD_RELOC_MIPS_JUMP_SLOT: + return &mips_vxworks_jump_slot_howto_rela; + default: + return bfd_elf32_bfd_reloc_type_lookup (abfd, code); + } +} + +/* Implement elf_backend_mips_rtype_to_lookup for VxWorks. */ + +static reloc_howto_type * +mips_vxworks_rtype_to_howto (unsigned int r_type, bfd_boolean rela_p) +{ + switch (r_type) + { + case R_MIPS_COPY: + return &mips_vxworks_copy_howto_rela; + case R_MIPS_JUMP_SLOT: + return &mips_vxworks_jump_slot_howto_rela; + default: + return mips_elf32_rtype_to_howto (r_type, rela_p); + } +} + +/* Implement elf_backend_final_write_processing for VxWorks. */ + +static void +mips_vxworks_final_write_processing (bfd *abfd, bfd_boolean linker) +{ + _bfd_mips_elf_final_write_processing (abfd, linker); + elf_vxworks_final_write_processing (abfd, linker); +} + +#undef TARGET_LITTLE_SYM +#undef TARGET_LITTLE_NAME +#undef TARGET_BIG_SYM +#undef TARGET_BIG_NAME + +#define TARGET_LITTLE_SYM bfd_elf32_littlemips_vxworks_vec +#define TARGET_LITTLE_NAME "elf32-littlemips-vxworks" +#define TARGET_BIG_SYM bfd_elf32_bigmips_vxworks_vec +#define TARGET_BIG_NAME "elf32-bigmips-vxworks" + +#undef elf32_bed +#define elf32_bed elf32_mips_vxworks_bed + +#undef ELF_MAXPAGESIZE +#define ELF_MAXPAGESIZE 0x1000 + +#undef elf_backend_want_got_plt +#define elf_backend_want_got_plt 1 +#undef elf_backend_want_plt_sym +#define elf_backend_want_plt_sym 1 +#undef elf_backend_got_symbol_offset +#define elf_backend_got_symbol_offset 0 +#undef elf_backend_want_dynbss +#define elf_backend_want_dynbss 1 +#undef elf_backend_may_use_rel_p +#define elf_backend_may_use_rel_p 0 +#undef elf_backend_may_use_rela_p +#define elf_backend_may_use_rela_p 1 +#undef elf_backend_default_use_rela_p +#define elf_backend_default_use_rela_p 1 +#undef elf_backend_got_header_size +#define elf_backend_got_header_size (4 * 3) +#undef elf_backend_plt_readonly +#define elf_backend_plt_readonly 1 + +#undef bfd_elf32_bfd_reloc_type_lookup +#define bfd_elf32_bfd_reloc_type_lookup \ + mips_vxworks_bfd_reloc_type_lookup +#undef elf_backend_mips_rtype_to_howto +#define elf_backend_mips_rtype_to_howto \ + mips_vxworks_rtype_to_howto +#undef elf_backend_adjust_dynamic_symbol +#define elf_backend_adjust_dynamic_symbol \ + _bfd_mips_vxworks_adjust_dynamic_symbol +#undef elf_backend_finish_dynamic_symbol +#define elf_backend_finish_dynamic_symbol \ + _bfd_mips_vxworks_finish_dynamic_symbol +#undef bfd_elf32_bfd_link_hash_table_create +#define bfd_elf32_bfd_link_hash_table_create \ + _bfd_mips_vxworks_link_hash_table_create +#undef elf_backend_add_symbol_hook +#define elf_backend_add_symbol_hook \ + elf_vxworks_add_symbol_hook +#undef elf_backend_link_output_symbol_hook +#define elf_backend_link_output_symbol_hook \ + elf_vxworks_link_output_symbol_hook +#undef elf_backend_emit_relocs +#define elf_backend_emit_relocs \ + elf_vxworks_emit_relocs +#undef elf_backend_final_write_processing +#define elf_backend_final_write_processing \ + mips_vxworks_final_write_processing + +#undef elf_backend_additional_program_headers +#undef elf_backend_modify_segment_map +#undef elf_backend_symbol_processing +/* NOTE: elf_backend_rela_normal is not defined for MIPS. */ + +#include "elf32-target.h" |