diff options
Diffstat (limited to 'gas/config/tc-ia64.c')
| -rw-r--r-- | gas/config/tc-ia64.c | 58 |
1 files changed, 37 insertions, 21 deletions
diff --git a/gas/config/tc-ia64.c b/gas/config/tc-ia64.c index 81e5cd5..5875551 100644 --- a/gas/config/tc-ia64.c +++ b/gas/config/tc-ia64.c @@ -159,6 +159,7 @@ struct label_fix { struct label_fix *next; struct symbol *sym; + bfd_boolean dw2_mark_labels; }; /* This is the endianness of the current section. */ @@ -1083,6 +1084,7 @@ ia64_flush_insns () segT saved_seg; subsegT saved_subseg; unw_rec_list *ptr; + bfd_boolean mark; if (!md.last_text_seg) return; @@ -1096,18 +1098,23 @@ ia64_flush_insns () emit_one_bundle (); /* force out queued instructions */ /* In case there are labels following the last instruction, resolve - those now: */ + those now. */ + mark = FALSE; for (lfix = CURR_SLOT.label_fixups; lfix; lfix = lfix->next) { - S_SET_VALUE (lfix->sym, frag_now_fix ()); - symbol_set_frag (lfix->sym, frag_now); + symbol_set_value_now (lfix->sym); + mark |= lfix->dw2_mark_labels; } - CURR_SLOT.label_fixups = 0; - for (lfix = CURR_SLOT.tag_fixups; lfix; lfix = lfix->next) + if (mark) { - S_SET_VALUE (lfix->sym, frag_now_fix ()); - symbol_set_frag (lfix->sym, frag_now); + dwarf2_where (&CURR_SLOT.debug_line); + CURR_SLOT.debug_line.flags |= DWARF2_FLAG_BASIC_BLOCK; + dwarf2_gen_line_info (frag_now_fix (), &CURR_SLOT.debug_line); } + CURR_SLOT.label_fixups = 0; + + for (lfix = CURR_SLOT.tag_fixups; lfix; lfix = lfix->next) + symbol_set_value_now (lfix->sym); CURR_SLOT.tag_fixups = 0; /* In case there are unwind directives following the last instruction, @@ -6647,6 +6654,7 @@ emit_one_bundle () int n, i, j, first, curr, last_slot; bfd_vma t0 = 0, t1 = 0; struct label_fix *lfix; + bfd_boolean mark_label; struct insn_fix *ifix; char mnemonic[16]; fixS *fix; @@ -6967,11 +6975,30 @@ emit_one_bundle () if (insn_unit != required_unit) continue; /* Try next slot. */ - if (debug_type == DEBUG_DWARF2 || md.slot[curr].loc_directive_seen) + /* Now is a good time to fix up the labels for this insn. */ + mark_label = FALSE; + for (lfix = md.slot[curr].label_fixups; lfix; lfix = lfix->next) + { + S_SET_VALUE (lfix->sym, frag_now_fix () - 16); + symbol_set_frag (lfix->sym, frag_now); + mark_label |= lfix->dw2_mark_labels; + } + for (lfix = md.slot[curr].tag_fixups; lfix; lfix = lfix->next) + { + S_SET_VALUE (lfix->sym, frag_now_fix () - 16 + i); + symbol_set_frag (lfix->sym, frag_now); + } + + if (debug_type == DEBUG_DWARF2 + || md.slot[curr].loc_directive_seen + || mark_label) { bfd_vma addr = frag_now->fr_address + frag_now_fix () - 16 + i; md.slot[curr].loc_directive_seen = 0; + if (mark_label) + md.slot[curr].debug_line.flags |= DWARF2_FLAG_BASIC_BLOCK; + dwarf2_gen_line_info (addr, &md.slot[curr].debug_line); } @@ -7000,19 +7027,6 @@ emit_one_bundle () --md.num_slots_in_use; last_slot = i; - /* now is a good time to fix up the labels for this insn: */ - for (lfix = md.slot[curr].label_fixups; lfix; lfix = lfix->next) - { - S_SET_VALUE (lfix->sym, frag_now_fix () - 16); - symbol_set_frag (lfix->sym, frag_now); - } - /* and fix up the tags also. */ - for (lfix = md.slot[curr].tag_fixups; lfix; lfix = lfix->next) - { - S_SET_VALUE (lfix->sym, frag_now_fix () - 16 + i); - symbol_set_frag (lfix->sym, frag_now); - } - for (j = 0; j < md.slot[curr].num_fixups; ++j) { ifix = md.slot[curr].fixup + j; @@ -7904,6 +7918,7 @@ ia64_frob_label (sym) fix = obstack_alloc (¬es, sizeof (*fix)); fix->sym = sym; fix->next = CURR_SLOT.tag_fixups; + fix->dw2_mark_labels = FALSE; CURR_SLOT.tag_fixups = fix; return; @@ -7915,6 +7930,7 @@ ia64_frob_label (sym) fix = obstack_alloc (¬es, sizeof (*fix)); fix->sym = sym; fix->next = CURR_SLOT.label_fixups; + fix->dw2_mark_labels = dwarf2_loc_mark_labels; CURR_SLOT.label_fixups = fix; /* Keep track of how many code entry points we've seen. */ |