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| author | Paul Robinson <paul.robinson@sony.com> | 2017-12-01 18:25:30 +0000 |
|---|---|---|
| committer | Paul Robinson <paul.robinson@sony.com> | 2017-12-01 18:25:30 +0000 |
| commit | ab69b477a9c6f43784b48e080cc10ef38c37656d (patch) | |
| tree | 3c4df809f063741a95f3320633236efbc29f4b74 /llvm/lib/DebugInfo/DWARF/DWARFContext.cpp | |
| parent | b70824c1b84296eba4a6e209820b82829a10f534 (diff) | |
| download | bcm5719-llvm-ab69b477a9c6f43784b48e080cc10ef38c37656d.tar.gz bcm5719-llvm-ab69b477a9c6f43784b48e080cc10ef38c37656d.zip | |
[DebugInfo] Bail out if making no progress dumping line tables.
llvm-svn: 319564
Diffstat (limited to 'llvm/lib/DebugInfo/DWARF/DWARFContext.cpp')
| -rw-r--r-- | llvm/lib/DebugInfo/DWARF/DWARFContext.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/DebugInfo/DWARF/DWARFContext.cpp b/llvm/lib/DebugInfo/DWARF/DWARFContext.cpp index 5893f223c07..414959c7a5c 100644 --- a/llvm/lib/DebugInfo/DWARF/DWARFContext.cpp +++ b/llvm/lib/DebugInfo/DWARF/DWARFContext.cpp @@ -357,12 +357,16 @@ void DWARFContext::dump( // Verbose dumping is done during parsing and not on the intermediate // representation. OS << "debug_line[" << format("0x%8.8x", Offset) << "]\n"; + unsigned OldOffset = Offset; if (DumpOpts.Verbose) { LineTable.parse(LineData, &Offset, U, &OS); } else { LineTable.parse(LineData, &Offset, U); LineTable.dump(OS); } + // Check for unparseable prologue, to avoid infinite loops. + if (OldOffset == Offset) + break; } } |
