diff options
Diffstat (limited to 'gas/dwarf2dbg.c')
| -rw-r--r-- | gas/dwarf2dbg.c | 35 |
1 files changed, 22 insertions, 13 deletions
diff --git a/gas/dwarf2dbg.c b/gas/dwarf2dbg.c index d3b5e85283..b452834889 100644 --- a/gas/dwarf2dbg.c +++ b/gas/dwarf2dbg.c @@ -1349,21 +1349,28 @@ out_debug_info (segT info_seg, segT abbrev_seg, segT line_seg) symbol_set_value_now (info_end); } +/* Finish the dwarf2 debug sections. We emit .debug.line if there + were any .file/.loc directives, or --gdwarf2 was given, or if the + file has a non-empty .debug_info section. If we emit .debug_line, + and the .debug_info section is empty, we also emit .debug_info, + .debug_aranges and .debug_abbrev. ALL_SEGS will be non-null if + there were any .file/.loc directives, or --gdwarf2 was given and + there were any located instructions emitted. */ + void dwarf2_finish (void) { segT line_seg; struct line_seg *s; + segT info_seg; + int emit_other_sections = 0; + + info_seg = bfd_get_section_by_name (stdoutput, ".debug_info"); + emit_other_sections = info_seg == NULL || !seg_not_empty_p (info_seg); - /* We don't need to do anything unless: - - Some debug information was recorded via .file/.loc or - generated by GAS (--gdwarf2) - - or, there is a user-provided .debug_info section which could - reference the file table in the .debug_line section we generate - below. */ - if (all_segs == NULL - && (bfd_get_section_by_name (stdoutput, ".debug_info") == NULL - || files_in_use == 0)) + if (!all_segs && emit_other_sections) + /* There is no line information and no non-empty .debug_info + section. */ return; /* Calculate the size of an address for the target machine. */ @@ -1388,14 +1395,16 @@ dwarf2_finish (void) out_debug_line (line_seg); - /* If this is assembler generated line info, we need .debug_info - and .debug_abbrev sections as well. */ - if (all_segs != NULL && debug_type == DEBUG_DWARF2) + /* If this is assembler generated line info, and there is no + debug_info already, we need .debug_info and .debug_abbrev + sections as well. */ + if (emit_other_sections) { segT abbrev_seg; - segT info_seg; segT aranges_seg; + assert (all_segs); + info_seg = subseg_new (".debug_info", 0); abbrev_seg = subseg_new (".debug_abbrev", 0); aranges_seg = subseg_new (".debug_aranges", 0); |