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debug info reader: Add support for DW_TAG_unspecified_type. Closes #278313.

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git-svn-id: svn://svn.valgrind.org/valgrind/trunk@12338
This commit is contained in:
Bart Van Assche 2012-01-16 17:11:07 +00:00
parent 31e98a4515
commit cc7b410176
1 changed files with 15 additions and 0 deletions
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15
coregrind/m_debuginfo/readdwarf3.c
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@ -2723,6 +2723,21 @@ static void parse_type_DIE ( /*MOD*/XArray* /* of TyEnt */ tyents,
goto bad_DIE;
}
/*
* Treat DW_TAG_unspecified_type as type void. An example of DW_TAG_unspecified_type:
*
* $ readelf --debug-dump /usr/lib/debug/usr/lib/libstdc++.so.6.0.16.debug
* <1><10d4>: Abbrev Number: 53 (DW_TAG_unspecified_type)
* <10d5> DW_AT_name : (indirect string, offset: 0xdb7): decltype(nullptr)
*/
if (dtag == DW_TAG_unspecified_type) {
VG_(memset)(&typeE, 0, sizeof(typeE));
typeE.cuOff = D3_INVALID_CUOFF;
typeE.tag = Te_TyQual;
typeE.Te.TyQual.typeR = D3_FAKEVOID_CUOFF;
goto acquire_Type;
}
/* else ignore this DIE */
return;
/*NOTREACHED*/