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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 | 89e6e155520847b5d27bfaf6f0c699e46cfec771 (patch) | |
| tree | a957f646372a738ad6495b263131544c19d33996 /lib/DebugInfo | |
| parent | 53cc245050ab02a1f2373f8b488a73b78f218761 (diff) | |
[DebugInfo] Bail out if making no progress dumping line tables.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319564 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/DebugInfo')
| -rw-r--r-- | lib/DebugInfo/DWARF/DWARFContext.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/DebugInfo/DWARF/DWARFContext.cpp b/lib/DebugInfo/DWARF/DWARFContext.cpp index 5893f223c07..414959c7a5c 100644 --- a/lib/DebugInfo/DWARF/DWARFContext.cpp +++ b/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; } } |