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re PR debug/42454 (debug_ranges table contains empty range for unused .text section with -ffunction-sections) 

PR debug/42454
	* dwarf2out.c (dwarf2out_finish): Don't output range for .text
	section unless .text section was used.  Likewise for cold.

From-SVN: r155402
This commit is contained in:
Cary Coutant 2009-12-22 17:37:57 +00:00 committed by Cary Coutant
parent 56c5115567
commit 6e922f17ac
2 changed files with 11 additions and 4 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2009-12-22 Cary Coutant <ccoutant@google.com>
PR debug/42454
* dwarf2out.c (dwarf2out_finish): Don't output range for .text
section unless .text section was used. Likewise for cold.
2009-12-22 Brian Hackett <bhackett1024@gmail.com>
* doc/plugins.texi: Rename pre-genericize event.

9
gcc/dwarf2out.c
View File

@ -21218,10 +21218,11 @@ dwarf2out_finish (const char *filename)
add_AT_addr (comp_unit_die, DW_AT_low_pc, const0_rtx);
add_AT_addr (comp_unit_die, DW_AT_entry_pc, const0_rtx);
add_AT_range_list (comp_unit_die, DW_AT_ranges,
add_ranges_by_labels (text_section_label,
text_end_label));
if (flag_reorder_blocks_and_partition)
if (text_section_used)
add_AT_range_list (comp_unit_die, DW_AT_ranges,
add_ranges_by_labels (text_section_label,
text_end_label));
if (flag_reorder_blocks_and_partition && cold_text_section_used)
add_ranges_by_labels (cold_text_section_label,
cold_end_label);