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Ignore DWARF debug information with a version of 0 - assume that it is padding.

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PR 19872
bfd	* dwarf2.c (parse_comp_unit): Skip warning about unrecognised
	version number if the version is zero.

bin	* dwarf.c (display_debug_aranges): Skip warning about unrecognised
	version number if the version is zero.
This commit is contained in:
Nick Clifton 2016-04-04 12:53:33 +01:00
parent 26cdfd9205
commit 67f101eece
7 changed files with 276 additions and 73 deletions
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7
binutils/dwarf.c
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@ -4910,7 +4910,12 @@ display_debug_aranges (struct dwarf_section *section,
if (arange.ar_version != 2 && arange.ar_version != 3)
{
warn (_("Only DWARF 2 and 3 aranges are currently supported.\n"));
/* PR 19872: A version number of 0 probably means that there is
padding at the end of the .debug_aranges section. Gold puts
it there when performing an incremental link, for example.
So do not generate a warning in this case. */
if (arange.ar_version)
warn (_("Only DWARF 2 and 3 aranges are currently supported.\n"));
break;
}