diff options
Diffstat (limited to 'bfd/elfxx-mips.c')
-rw-r--r-- | bfd/elfxx-mips.c | 35 |
1 files changed, 32 insertions, 3 deletions
diff --git a/bfd/elfxx-mips.c b/bfd/elfxx-mips.c index 3b7723e..e47276b 100644 --- a/bfd/elfxx-mips.c +++ b/bfd/elfxx-mips.c @@ -2090,7 +2090,11 @@ mips_elf_check_symbols (struct mips_elf_link_hash_entry *h, void *data) All we need to do here is shuffle the bits appropriately. As above, the two 16-bit halves must be swapped on a - little-endian system. */ + little-endian system. + + Finally R_MIPS16_PC16_S1 corresponds to R_MIPS_PC16, however the + relocatable field is shifted by 1 rather than 2 and the same bit + shuffling is done as with the relocations above. */ static inline bfd_boolean mips16_reloc_p (int r_type) @@ -2110,6 +2114,7 @@ mips16_reloc_p (int r_type) case R_MIPS16_TLS_GOTTPREL: case R_MIPS16_TLS_TPREL_HI16: case R_MIPS16_TLS_TPREL_LO16: + case R_MIPS16_PC16_S1: return TRUE; default: @@ -2221,7 +2226,8 @@ b_reloc_p (int r_type) return (r_type == R_MIPS_PC26_S2 || r_type == R_MIPS_PC21_S2 || r_type == R_MIPS_PC16 - || r_type == R_MIPS_GNU_REL16_S2); + || r_type == R_MIPS_GNU_REL16_S2 + || r_type == R_MIPS16_PC16_S1); } static inline bfd_boolean @@ -2232,6 +2238,13 @@ aligned_pcrel_reloc_p (int r_type) } static inline bfd_boolean +mips16_branch_reloc_p (int r_type) +{ + return (r_type == R_MIPS16_26 + || r_type == R_MIPS16_PC16_S1); +} + +static inline bfd_boolean micromips_branch_reloc_p (int r_type) { return (r_type == R_MICROMIPS_26_S1 @@ -5562,7 +5575,7 @@ mips_elf_calculate_relocation (bfd *abfd, bfd *input_bfd, } /* Make sure MIPS16 and microMIPS are not used together. */ - if ((r_type == R_MIPS16_26 && target_is_micromips_code_p) + if ((mips16_branch_reloc_p (r_type) && target_is_micromips_code_p) || (micromips_branch_reloc_p (r_type) && target_is_16_bit_code_p)) { (*_bfd_error_handler) @@ -5994,6 +6007,21 @@ mips_elf_calculate_relocation (bfd *abfd, bfd *input_bfd, value &= howto->dst_mask; break; + case R_MIPS16_PC16_S1: + if (howto->partial_inplace) + addend = _bfd_mips_elf_sign_extend (addend, 17); + + if ((was_local_p || h->root.root.type != bfd_link_hash_undefweak) + && ((symbol + addend) & 1) == 0) + return bfd_reloc_outofrange; + + value = symbol + addend - p; + if (was_local_p || h->root.root.type != bfd_link_hash_undefweak) + overflowed_p = mips_elf_overflow_p (value, 17); + value >>= howto->rightshift; + value &= howto->dst_mask; + break; + case R_MIPS_PC21_S2: if (howto->partial_inplace) addend = _bfd_mips_elf_sign_extend (addend, 23); @@ -8346,6 +8374,7 @@ _bfd_mips_elf_check_relocs (bfd *abfd, struct bfd_link_info *info, case R_MIPS_PC21_S2: case R_MIPS_PC26_S2: case R_MIPS16_26: + case R_MIPS16_PC16_S1: case R_MICROMIPS_26_S1: case R_MICROMIPS_PC7_S1: case R_MICROMIPS_PC10_S1: |