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[DebugInfo] Accept `S` in augmentation strings in CIE. 

glibc libc.a(sigaction.o) compiled from sysdeps/unix/sysv/linux/x86_64/sigaction.c uses "zRS".

llvm-svn: 331738
This commit is contained in:
Fangrui Song 2018-05-08 06:21:12 +00:00
parent 47bc8f1239
commit bd088560a8
2 changed files with 4 additions and 1 deletions
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3
llvm/lib/DebugInfo/DWARF/DWARFDebugFrame.cpp
View File

@ -430,6 +430,9 @@ void DWARFDebugFrame::parse(DWARFDataExtractor Data) {
case 'R': case 'R':
FDEPointerEncoding = Data.getU8(&Offset); FDEPointerEncoding = Data.getU8(&Offset);
break; break;
case 'S':
// Current frame is a signal trampoline.
break;
case 'z': case 'z':
if (i) if (i)
ReportError(StartOffset, ReportError(StartOffset,

2
llvm/tools/llvm-dwarfdump/llvm-dwarfdump.cpp
View File

@ -565,7 +565,7 @@ int main(int argc, char **argv) {
ShowChildren = true; ShowChildren = true;
// Defaults to a.out if no filenames specified. // Defaults to a.out if no filenames specified.
if (InputFilenames.size() == 0) if (InputFilenames.empty())
InputFilenames.push_back("a.out"); InputFilenames.push_back("a.out");
// Expand any .dSYM bundles to the individual object files contained therein. // Expand any .dSYM bundles to the individual object files contained therein.