diff options
Diffstat (limited to 'gas/config/tc-mips.c')
| -rw-r--r-- | gas/config/tc-mips.c | 54 |
1 files changed, 47 insertions, 7 deletions
diff --git a/gas/config/tc-mips.c b/gas/config/tc-mips.c index ab2ea0c8c7c..092e7b430d2 100644 --- a/gas/config/tc-mips.c +++ b/gas/config/tc-mips.c @@ -4060,6 +4060,7 @@ mips16_reloc_p (bfd_reloc_code_real_type reloc) case BFD_RELOC_MIPS16_HI16_S: case BFD_RELOC_MIPS16_HI16: case BFD_RELOC_MIPS16_LO16: + case BFD_RELOC_MIPS16_16_PCREL_S1: return TRUE; default: @@ -4114,6 +4115,7 @@ b_reloc_p (bfd_reloc_code_real_type reloc) return (reloc == BFD_RELOC_MIPS_26_PCREL_S2 || reloc == BFD_RELOC_MIPS_21_PCREL_S2 || reloc == BFD_RELOC_16_PCREL_S2 + || reloc == BFD_RELOC_MIPS16_16_PCREL_S1 || reloc == BFD_RELOC_MICROMIPS_16_PCREL_S1 || reloc == BFD_RELOC_MICROMIPS_10_PCREL_S1 || reloc == BFD_RELOC_MICROMIPS_7_PCREL_S1); @@ -4162,6 +4164,7 @@ limited_pcrel_reloc_p (bfd_reloc_code_real_type reloc) switch (reloc) { case BFD_RELOC_16_PCREL_S2: + case BFD_RELOC_MIPS16_16_PCREL_S1: case BFD_RELOC_MICROMIPS_7_PCREL_S1: case BFD_RELOC_MICROMIPS_10_PCREL_S1: case BFD_RELOC_MICROMIPS_16_PCREL_S1: @@ -14628,6 +14631,7 @@ md_pcrel_from (fixS *fixP) case BFD_RELOC_MICROMIPS_16_PCREL_S1: case BFD_RELOC_MICROMIPS_JMP: + case BFD_RELOC_MIPS16_16_PCREL_S1: case BFD_RELOC_16_PCREL_S2: case BFD_RELOC_MIPS_21_PCREL_S2: case BFD_RELOC_MIPS_26_PCREL_S2: @@ -14852,6 +14856,7 @@ md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED) switch (fixP->fx_r_type) { case BFD_RELOC_16_PCREL_S2: + case BFD_RELOC_MIPS16_16_PCREL_S1: case BFD_RELOC_MICROMIPS_7_PCREL_S1: case BFD_RELOC_MICROMIPS_10_PCREL_S1: case BFD_RELOC_MICROMIPS_16_PCREL_S1: @@ -15184,6 +15189,7 @@ md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED) } break; + case BFD_RELOC_MIPS16_16_PCREL_S1: case BFD_RELOC_MICROMIPS_7_PCREL_S1: case BFD_RELOC_MICROMIPS_10_PCREL_S1: case BFD_RELOC_MICROMIPS_16_PCREL_S1: @@ -17216,11 +17222,11 @@ mips_fix_adjustable (fixS *fixp) 5. We cannot reduce jump relocations (R_MIPS_26, R_MIPS16_26 or R_MICROMIPS_26_S1) or branch relocations (R_MIPS_PC26_S2, - R_MIPS_PC21_S2, R_MIPS_PC16, R_MICROMIPS_PC16_S1, - R_MICROMIPS_PC10_S1 or R_MICROMIPS_PC7_S1) against MIPS16 or - microMIPS symbols because we need to keep the MIPS16 or - microMIPS symbol for the purpose of mode mismatch detection - and JAL to JALX instruction conversion in the linker. + R_MIPS_PC21_S2, R_MIPS_PC16, R_MIPS16_PC16_S1, + R_MICROMIPS_PC16_S1, R_MICROMIPS_PC10_S1 or R_MICROMIPS_PC7_S1) + against MIPS16 or microMIPS symbols because we need to keep the + MIPS16 or microMIPS symbol for the purpose of mode mismatch + detection and JAL to JALX instruction conversion in the linker. For simplicity, we deal with (3)-(4) by not reducing _any_ relocation against a MIPS16 symbol. We deal with (5) by additionally leaving @@ -17263,6 +17269,7 @@ tc_gen_reloc (asection *section ATTRIBUTE_UNUSED, fixS *fixp) if (fixp->fx_pcrel) { gas_assert (fixp->fx_r_type == BFD_RELOC_16_PCREL_S2 + || fixp->fx_r_type == BFD_RELOC_MIPS16_16_PCREL_S1 || fixp->fx_r_type == BFD_RELOC_MICROMIPS_7_PCREL_S1 || fixp->fx_r_type == BFD_RELOC_MICROMIPS_10_PCREL_S1 || fixp->fx_r_type == BFD_RELOC_MICROMIPS_16_PCREL_S1 @@ -17870,8 +17877,41 @@ md_convert_frag (bfd *abfd ATTRIBUTE_UNUSED, segT asec, fragS *fragp) || (operand->root.type == OP_PCREL ? asec != symsec : !bfd_is_abs_section (symsec))) - as_bad_where (fragp->fr_file, fragp->fr_line, - _("unsupported relocation")); + { + bfd_reloc_code_real_type reloc = BFD_RELOC_NONE; + expressionS exp; + fixS *fixp; + + switch (type) + { + case 'p': + case 'q': + reloc = BFD_RELOC_MIPS16_16_PCREL_S1; + break; + default: + as_bad_where (fragp->fr_file, fragp->fr_line, + _("unsupported relocation")); + break; + } + if (reloc != BFD_RELOC_NONE) + { + gas_assert (ext); + + exp.X_op = O_symbol; + exp.X_add_symbol = fragp->fr_symbol; + exp.X_add_number = fragp->fr_offset; + + fixp = fix_new_exp (fragp, buf - fragp->fr_literal, 2, &exp, + TRUE, reloc); + + fixp->fx_file = fragp->fr_file; + fixp->fx_line = fragp->fr_line; + + /* These relocations can have an addend that won't fit + in 2 octets. */ + fixp->fx_no_overflow = 1; + } + } else mips16_immed (fragp->fr_file, fragp->fr_line, type, BFD_RELOC_UNUSED, val, user_length, &insn); |