diff options
| author | Mark Wielaard <mjw@redhat.com> | 2011-05-03 19:36:08 +0000 |
|---|---|---|
| committer | Mark Wielaard <mark@gcc.gnu.org> | 2011-05-03 19:36:08 +0000 |
| commit | 6ac00218e10463af6597fb22e942601fd3751fad (patch) | |
| tree | c21d71f9c1619f6fa81526e26f8effb83e9e44c5 /gcc | |
| parent | 3af42a7bacf04933a6ce32a9b04ea4217f1cc392 (diff) | |
| download | gcc-6ac00218e10463af6597fb22e942601fd3751fad.zip gcc-6ac00218e10463af6597fb22e942601fd3751fad.tar.gz gcc-6ac00218e10463af6597fb22e942601fd3751fad.tar.bz2 | |
PR42288 emit empty .debug_aranges section.
* dwarf2out.c (dwarf2out_finish): Always call output_aranges ()
when info_section_emitted.
From-SVN: r173340
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/dwarf2out.c | 18 |
2 files changed, 13 insertions, 11 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 37c251a..78b593f 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2011-04-26 Mark Wielaard <mjw@redhat.com> + + PR42288 + * dwarf2out.c (dwarf2out_finish): Always call output_aranges () + when info_section_emitted. + 2011-05-03 Joseph Myers <joseph@codesourcery.com> * config/mips/mips-opts.h: New. diff --git a/gcc/dwarf2out.c b/gcc/dwarf2out.c index 83653d2..f3620a4 100644 --- a/gcc/dwarf2out.c +++ b/gcc/dwarf2out.c @@ -24587,21 +24587,17 @@ dwarf2out_finish (const char *filename) } } - /* Output the address range information. We only put functions in the - arange table, so don't write it out if we don't have any. */ + /* Output the address range information if a CU (.debug_info section) + was emitted. We output an empty table even if we had no functions + to put in it. This because the consumer has no way to tell the + difference between an empty table that we omitted and failure to + generate a table that would have contained data. */ if (info_section_emitted) { unsigned long aranges_length = size_of_aranges (); - /* Empty .debug_aranges would contain just header and - terminating 0,0. */ - if (aranges_length - != (unsigned long) (DWARF_ARANGES_HEADER_SIZE - + 2 * DWARF2_ADDR_SIZE)) - { - switch_to_section (debug_aranges_section); - output_aranges (aranges_length); - } + switch_to_section (debug_aranges_section); + output_aranges (aranges_length); } /* Output ranges section if necessary. */ |