diff options
Diffstat (limited to 'gas/config')
| -rw-r--r-- | gas/config/tc-alpha.c | 5 | ||||
| -rw-r--r-- | gas/config/tc-mips.c | 20 | ||||
| -rw-r--r-- | gas/config/tc-mips.h | 13 |
3 files changed, 35 insertions, 3 deletions
diff --git a/gas/config/tc-alpha.c b/gas/config/tc-alpha.c index 30f180f..2a7466a 100644 --- a/gas/config/tc-alpha.c +++ b/gas/config/tc-alpha.c @@ -3691,6 +3691,8 @@ static struct alpha_elf_frame_data *all_frame_data; static struct alpha_elf_frame_data **plast_frame_data = &all_frame_data; static struct alpha_elf_frame_data *cur_frame_data; +extern int all_cfi_sections; + /* Handle the .section pseudo-op. This is like the usual one, but it clears alpha_insn_label and restores auto alignment. */ @@ -3714,6 +3716,8 @@ s_alpha_ent (int dummy ATTRIBUTE_UNUSED) char *name, name_end; name = input_line_pointer; name_end = get_symbol_end (); + /* CFI_EMIT_eh_frame is the default. */ + all_cfi_sections = CFI_EMIT_eh_frame; if (! is_name_beginner (*name)) { @@ -4061,6 +4065,7 @@ alpha_elf_md_end (void) S_GET_VALUE (p->func_sym), symbol_get_frag (p->func_sym))); + cfi_set_sections (); cfi_set_return_column (p->ra_regno); cfi_add_CFA_def_cfa_register (30); if (p->fp_regno != 30 || p->mask || p->fmask || p->frame_size) diff --git a/gas/config/tc-mips.c b/gas/config/tc-mips.c index 40e38f8..8f2ec65 100644 --- a/gas/config/tc-mips.c +++ b/gas/config/tc-mips.c @@ -14840,7 +14840,8 @@ md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED) || fixP->fx_r_type == BFD_RELOC_MICROMIPS_SUB || fixP->fx_r_type == BFD_RELOC_VTABLE_INHERIT || fixP->fx_r_type == BFD_RELOC_VTABLE_ENTRY - || fixP->fx_r_type == BFD_RELOC_MIPS_TLS_DTPREL64); + || fixP->fx_r_type == BFD_RELOC_MIPS_TLS_DTPREL64 + || fixP->fx_r_type == BFD_RELOC_NONE); buf = fixP->fx_frag->fr_literal + fixP->fx_where; @@ -15110,6 +15111,7 @@ md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED) S_SET_WEAK (fixP->fx_addsy); break; + case BFD_RELOC_NONE: case BFD_RELOC_VTABLE_ENTRY: fixP->fx_done = 0; break; @@ -16304,7 +16306,7 @@ s_ehword (int ignore ATTRIBUTE_UNUSED) p = frag_more (4); md_number_to_chars (p, 0, 4); fix_new_exp (frag_now, p - frag_now->fr_literal, 4, &ex, FALSE, - BFD_RELOC_MIPS_EH); + BFD_RELOC_32_PCREL); demand_empty_rest_of_line (); } @@ -17056,6 +17058,10 @@ mips_fix_adjustable (fixS *fixp) if (fixp->fx_addsy == NULL) return 1; + /* Allow relocs used for EH tables. */ + if (fixp->fx_r_type == BFD_RELOC_32_PCREL) + return 1; + /* If symbol SYM is in a mergeable section, relocations of the form SYM + 0 can usually be made section-relative. The mergeable data is then identified by the section offset rather than by the symbol. @@ -19117,3 +19123,13 @@ md_mips_end (void) Tag_GNU_MIPS_ABI_FP, fpabi); } } + +/* Returns the relocation type required for a particular CFI encoding. */ + +bfd_reloc_code_real_type +mips_cfi_reloc_for_encoding (int encoding) +{ + if (encoding == (DW_EH_PE_sdata4 | DW_EH_PE_pcrel)) + return BFD_RELOC_32_PCREL; + else return BFD_RELOC_NONE; +} diff --git a/gas/config/tc-mips.h b/gas/config/tc-mips.h index dd8350c..6cb3868 100644 --- a/gas/config/tc-mips.h +++ b/gas/config/tc-mips.h @@ -176,7 +176,9 @@ extern enum dwarf2_format mips_dwarf2_format (asection *); extern int mips_dwarf2_addr_size (void); #define DWARF2_ADDR_SIZE(bfd) mips_dwarf2_addr_size () -#define DWARF2_FDE_RELOC_SIZE mips_dwarf2_addr_size () +#define DWARF2_FDE_RELOC_SIZE (compact_eh ? 4 : mips_dwarf2_addr_size ()) +#define DWARF2_FDE_RELOC_ENCODING(enc) \ + (enc | (compact_eh ? DW_EH_PE_pcrel : 0)) #define TARGET_USE_CFIPOP 1 @@ -189,6 +191,15 @@ extern int tc_mips_regname_to_dw2regnum (char *regname); #define DWARF2_DEFAULT_RETURN_COLUMN 31 #define DWARF2_CIE_DATA_ALIGNMENT (-4) +#if defined(OBJ_ELF) + +#define tc_cfi_reloc_for_encoding mips_cfi_reloc_for_encoding +extern bfd_reloc_code_real_type mips_cfi_reloc_for_encoding (int encoding); + +#define tc_compact_eh_opcode_stop 0x5c +#define tc_compact_eh_opcode_pad 0x5f + +#endif #define DIFF_EXPR_OK /* We define DIFF_EXPR_OK because of R_MIPS_PC32, but we have no 64-bit form for n64 CFIs. */ |