diff options
Diffstat (limited to 'bfd/elf32-mips.c')
| -rw-r--r-- | bfd/elf32-mips.c | 143 |
1 files changed, 48 insertions, 95 deletions
diff --git a/bfd/elf32-mips.c b/bfd/elf32-mips.c index e04e797c806..6c09ce5c457 100644 --- a/bfd/elf32-mips.c +++ b/bfd/elf32-mips.c @@ -899,6 +899,38 @@ static reloc_howto_type elf_mips_gnu_vtentry_howto = 0, /* dst_mask */ FALSE); /* pcrel_offset */ +/* Originally a VxWorks extension, but now used for other systems too. */ +static reloc_howto_type elf_mips_copy_howto = + HOWTO (R_MIPS_COPY, /* type */ + 0, /* rightshift */ + 0, /* this one is variable size */ + 0, /* 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 */ + +/* Originally a VxWorks extension, but now used for other systems too. */ +static reloc_howto_type elf_mips_jump_slot_howto = + 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 */ + /* Set the GP value for OUTPUT_BFD. Returns FALSE if this is a dangerous relocation. */ @@ -1299,6 +1331,10 @@ bfd_elf32_bfd_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code) return &elf_mips_gnu_vtentry_howto; case BFD_RELOC_32_PCREL: return &elf_mips_gnu_pcrel32; + case BFD_RELOC_MIPS_COPY: + return &elf_mips_copy_howto; + case BFD_RELOC_MIPS_JUMP_SLOT: + return &elf_mips_jump_slot_howto; } } @@ -1332,6 +1368,10 @@ bfd_elf32_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, return &elf_mips_gnu_vtinherit_howto; if (strcasecmp (elf_mips_gnu_vtentry_howto.name, r_name) == 0) return &elf_mips_gnu_vtentry_howto; + if (strcasecmp (elf_mips_copy_howto.name, r_name) == 0) + return &elf_mips_copy_howto; + if (strcasecmp (elf_mips_jump_slot_howto.name, r_name) == 0) + return &elf_mips_jump_slot_howto; return NULL; } @@ -1352,6 +1392,10 @@ mips_elf32_rtype_to_howto (unsigned int r_type, return &elf_mips_gnu_rel16_s2; case R_MIPS_PC32: return &elf_mips_gnu_pcrel32; + case R_MIPS_COPY: + return &elf_mips_copy_howto; + case R_MIPS_JUMP_SLOT: + return &elf_mips_jump_slot_howto; default: if (r_type >= R_MIPS16_min && r_type < R_MIPS16_max) return &elf_mips16_howto_table_rel[r_type - R_MIPS16_min]; @@ -1615,6 +1659,8 @@ static const struct ecoff_debug_swap mips_elf32_ecoff_debug_swap = { #define elf_backend_may_use_rela_p 0 #define elf_backend_default_use_rela_p 0 #define elf_backend_sign_extend_vma TRUE +#define elf_backend_plt_readonly 1 +#define elf_backend_plt_sym_val _bfd_mips_elf_plt_sym_val #define elf_backend_discard_info _bfd_mips_elf_discard_info #define elf_backend_ignore_discarded_relocs \ @@ -1679,82 +1725,6 @@ 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); - } -} - -static reloc_howto_type * -mips_vxworks_bfd_reloc_name_lookup (bfd *abfd, const char *r_name) -{ - if (strcasecmp (mips_vxworks_copy_howto_rela.name, r_name) == 0) - return &mips_vxworks_copy_howto_rela; - if (strcasecmp (mips_vxworks_jump_slot_howto_rela.name, r_name) == 0) - return &mips_vxworks_jump_slot_howto_rela; - - return bfd_elf32_bfd_reloc_name_lookup (abfd, r_name); -} - -/* 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 @@ -1787,10 +1757,6 @@ mips_vxworks_final_write_processing (bfd *abfd, bfd_boolean linker) #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 @@ -1799,21 +1765,8 @@ mips_vxworks_final_write_processing (bfd *abfd, bfd_boolean linker) #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 bfd_elf32_bfd_reloc_name_lookup -#define bfd_elf32_bfd_reloc_name_lookup \ - mips_vxworks_bfd_reloc_name_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_plt_sym_val + #undef elf_backend_finish_dynamic_symbol #define elf_backend_finish_dynamic_symbol \ _bfd_mips_vxworks_finish_dynamic_symbol |