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Handle the "eh" CIE augmentation which can appear in a .eh_frame section.

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Hopefully the last hurdle gcc 2 has prepared for preventing variables to show
up.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@33924 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Ingo Weinhold 2009-11-06 18:29:27 +00:00
parent accec9a7ae
commit 3ac8569f3c
1 changed files with 16 additions and 1 deletions
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17
src/apps/debugger/dwarf/DwarfFile.cpp
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@ -1395,8 +1395,23 @@ DwarfFile::_ParseCIE(CompilationUnit* unit, CfaContext& context,
uint8 version = dataReader.Read<uint8>(0);
const char* augmentation = dataReader.ReadString();
if (version != 1 || augmentation == NULL || *augmentation != '\0')
if (version != 1) {
TRACE_CFI(" cie: length: %llu, version: %u -- unsupported\n",
length, version);
return B_UNSUPPORTED;
}
if (augmentation == NULL || *augmentation != '\0') {
if (strcmp(augmentation, "eh") == 0) {
// the augmentation consists of the exception table pointer -- just
// ignore it
dataReader.ReadAddress(0);
} else {
TRACE_CFI(" cie: length: %llu, version: %u, augmentation: \"%s\" "
"-- unsupported\n", length, version, augmentation);
return B_UNSUPPORTED;
}
}
context.SetCodeAlignment(dataReader.ReadUnsignedLEB128(0));
context.SetDataAlignment(dataReader.ReadSignedLEB128(0));