diff options
Diffstat (limited to 'llvm/lib/DebugInfo/DWARF/DWARFDebugLine.cpp')
-rw-r--r-- | llvm/lib/DebugInfo/DWARF/DWARFDebugLine.cpp | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/llvm/lib/DebugInfo/DWARF/DWARFDebugLine.cpp b/llvm/lib/DebugInfo/DWARF/DWARFDebugLine.cpp index 28f0564..572628f 100644 --- a/llvm/lib/DebugInfo/DWARF/DWARFDebugLine.cpp +++ b/llvm/lib/DebugInfo/DWARF/DWARFDebugLine.cpp @@ -389,9 +389,25 @@ Error DWARFDebugLine::Prologue::parse( if (getVersion() >= 5) { FormParams.AddrSize = DebugLineData.getU8(Cursor); - assert((!Cursor || DebugLineData.getAddressSize() == 0 || - DebugLineData.getAddressSize() == getAddressSize()) && - "Line table header and data extractor disagree"); + const uint8_t DataAddrSize = DebugLineData.getAddressSize(); + const uint8_t PrologueAddrSize = getAddressSize(); + if (Cursor) { + if (DataAddrSize == 0) { + if (PrologueAddrSize != 4 && PrologueAddrSize != 8) { + RecoverableErrorHandler(createStringError( + errc::not_supported, + "parsing line table prologue at offset 0x%8.8" PRIx64 + ": invalid address size %" PRIu8, + PrologueOffset, PrologueAddrSize)); + } + } else if (DataAddrSize != PrologueAddrSize) { + RecoverableErrorHandler(createStringError( + errc::not_supported, + "parsing line table prologue at offset 0x%8.8" PRIx64 ": address " + "size %" PRIu8 " doesn't match architecture address size %" PRIu8, + PrologueOffset, PrologueAddrSize, DataAddrSize)); + } + } SegSelectorSize = DebugLineData.getU8(Cursor); } |