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re PR debug/49364 ([4.7 regressions] Empty .debug_abbrev sections confuse SGI nm)

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PR debug/49364
	* dwarf2out.c (output_abbrev_section): Don't return early
	if abbrev_die_table_in_use is 1.
	(dwarf2out_finish): Instead don't call output_abbrev_section
	nor emit abbrev_section_label in that case.

From-SVN: r175694
This commit is contained in:
Jakub Jelinek 2011-06-30 12:26:32 +02:00 committed by Jakub Jelinek
parent 21ea4922ac
commit f60f32b356
2 changed files with 14 additions and 6 deletions
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8
gcc/ChangeLog
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@ -1,3 +1,11 @@
2011-06-30 Jakub Jelinek <jakub@redhat.com>
PR debug/49364
* dwarf2out.c (output_abbrev_section): Don't return early
if abbrev_die_table_in_use is 1.
(dwarf2out_finish): Instead don't call output_abbrev_section
nor emit abbrev_section_label in that case.
2011-06-30 Nick Clifton <nickc@redhat.com>
* config/v850/v850.h (CPP_SPEC): Define __v850e__ when compiling

12
gcc/dwarf2out.c
View File

@ -11358,9 +11358,6 @@ output_abbrev_section (void)
{
unsigned long abbrev_id;
if (abbrev_die_table_in_use == 1)
return;
for (abbrev_id = 1; abbrev_id < abbrev_die_table_in_use; ++abbrev_id)
{
dw_die_ref abbrev = abbrev_die_table[abbrev_id];
@ -25226,9 +25223,12 @@ dwarf2out_finish (const char *filename)
output_comp_unit (comp_unit_die (), debug_info_level >= DINFO_LEVEL_VERBOSE);
/* Output the abbreviation table. */
switch_to_section (debug_abbrev_section);
ASM_OUTPUT_LABEL (asm_out_file, abbrev_section_label);
output_abbrev_section ();
if (abbrev_die_table_in_use != 1)
{
switch_to_section (debug_abbrev_section);
ASM_OUTPUT_LABEL (asm_out_file, abbrev_section_label);
output_abbrev_section ();
}
/* Output location list section if necessary. */
if (have_location_lists)