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Diffstat (limited to 'bfd/elfxx-mips.c')
-rw-r--r--bfd/elfxx-mips.c35
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: