diff options
Diffstat (limited to 'llvm/lib/DebugInfo/DWARF/DWARFExpression.cpp')
| -rw-r--r-- | llvm/lib/DebugInfo/DWARF/DWARFExpression.cpp | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/llvm/lib/DebugInfo/DWARF/DWARFExpression.cpp b/llvm/lib/DebugInfo/DWARF/DWARFExpression.cpp index 811716111be5..4b9be85f6885 100644 --- a/llvm/lib/DebugInfo/DWARF/DWARFExpression.cpp +++ b/llvm/lib/DebugInfo/DWARF/DWARFExpression.cpp @@ -174,7 +174,10 @@ bool DWARFExpression::Operation::extract(DataExtractor Data, case Operation::WasmLocationArg: assert(Operand == 1); switch (Operands[0]) { - case 0: case 1: case 2: + case 0: + case 1: + case 2: + case 4: Operands[Operand] = Data.getULEB128(&Offset); break; case 3: // global as uint32 @@ -294,8 +297,11 @@ bool DWARFExpression::Operation::print(raw_ostream &OS, DIDumpOptions DumpOpts, } else if (Size == Operation::WasmLocationArg) { assert(Operand == 1); switch (Operands[0]) { - case 0: case 1: case 2: + case 0: + case 1: + case 2: case 3: // global as uint32 + case 4: OS << format(" 0x%" PRIx64, Operands[Operand]); break; default: assert(false); @@ -319,6 +325,10 @@ void DWARFExpression::print(raw_ostream &OS, DIDumpOptions DumpOpts, const MCRegisterInfo *RegInfo, DWARFUnit *U, bool IsEH) const { uint32_t EntryValExprSize = 0; + uint64_t EntryValStartOffset = 0; + if (Data.getData().empty()) + OS << "<empty>"; + for (auto &Op : *this) { if (!Op.print(OS, DumpOpts, this, RegInfo, U, IsEH)) { uint64_t FailOffset = Op.getEndOffset(); @@ -331,11 +341,12 @@ void DWARFExpression::print(raw_ostream &OS, DIDumpOptions DumpOpts, Op.getCode() == DW_OP_GNU_entry_value) { OS << "("; EntryValExprSize = Op.getRawOperand(0); + EntryValStartOffset = Op.getEndOffset(); continue; } if (EntryValExprSize) { - EntryValExprSize--; + EntryValExprSize -= Op.getEndOffset() - EntryValStartOffset; if (EntryValExprSize == 0) OS << ")"; } @@ -501,4 +512,10 @@ bool DWARFExpression::printCompact(raw_ostream &OS, const MCRegisterInfo &MRI) { return printCompactDWARFExpr(OS, begin(), end(), MRI); } +bool DWARFExpression::operator==(const DWARFExpression &RHS) const { + if (AddressSize != RHS.AddressSize || Format != RHS.Format) + return false; + return Data.getData() == RHS.Data.getData(); +} + } // namespace llvm |