diff options
Diffstat (limited to 'bfd/elf32-arc.c')
-rw-r--r-- | bfd/elf32-arc.c | 39 |
1 files changed, 32 insertions, 7 deletions
diff --git a/bfd/elf32-arc.c b/bfd/elf32-arc.c index 4f7d1c1..70d7a20 100644 --- a/bfd/elf32-arc.c +++ b/bfd/elf32-arc.c @@ -23,6 +23,7 @@ #include "libbfd.h" #include "elf-bfd.h" #include "elf/arc.h" +#include "libiberty.h" static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup PARAMS ((bfd *abfd, bfd_reloc_code_real_type code)); @@ -32,6 +33,8 @@ static boolean arc_elf_object_p PARAMS ((bfd *)); static void arc_elf_final_write_processing PARAMS ((bfd *, boolean)); +static bfd_reloc_status_type arc_elf_b22_pcrel + PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); /* Try to minimize the amount of space occupied by relocation tables on the ROM (not that the ROM won't be swamped by other ELF overhead). */ @@ -93,13 +96,12 @@ static reloc_howto_type elf_arc_howto_table[] = true, /* pc_relative */ 7, /* bitpos */ complain_overflow_signed, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ + arc_elf_b22_pcrel, /* special_function */ "R_ARC_B22_PCREL", /* name */ true, /* partial_inplace */ 0x07ffff80, /* src_mask */ 0x07ffff80, /* dst_mask */ false), /* pcrel_offset */ - }; /* Map BFD reloc types to ARC ELF reloc types. */ @@ -126,11 +128,10 @@ bfd_elf32_bfd_reloc_type_lookup (abfd, code) { unsigned int i; - for (i = 0; i < sizeof (arc_reloc_map) / sizeof (struct arc_reloc_map); i++) - { - if (arc_reloc_map[i].bfd_reloc_val == code) - return &elf_arc_howto_table[arc_reloc_map[i].elf_reloc_val]; - } + for (i = ARRAY_SIZE (arc_reloc_map); i--;) + if (arc_reloc_map[i].bfd_reloc_val == code) + return elf_arc_howto_table + arc_reloc_map[i].elf_reloc_val; + return NULL; } @@ -211,6 +212,30 @@ arc_elf_final_write_processing (abfd, linker) elf_elfheader (abfd)->e_flags |= val; } +bfd_reloc_status_type +arc_elf_b22_pcrel (abfd, reloc_entry, symbol, data, input_section, + output_bfd, error_message) + bfd * abfd; + arelent * reloc_entry; + asymbol * symbol; + PTR data; + asection * input_section; + bfd * output_bfd; + char ** error_message; +{ + /* If linking, back up the final symbol address by the address of the + reloc. This cannot be accomplished by setting the pcrel_offset + field to true, as bfd_install_relocation will detect this and refuse + to install the offset in the first place, but bfd_perform_relocation + will still insist on removing it. */ + if (output_bfd == (bfd *) NULL) + reloc_entry->addend -= reloc_entry->address; + + /* Fall through to the default elf reloc handler. */ + return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data, + input_section, output_bfd, error_message); +} + #define TARGET_LITTLE_SYM bfd_elf32_littlearc_vec #define TARGET_LITTLE_NAME "elf32-littlearc" #define TARGET_BIG_SYM bfd_elf32_bigarc_vec |