bool DWARFExpression::Operation::extract(DataExtractor Data,
uint8_t AddressSize, uint64_t Offset,
Optional<DwarfFormat> Format) {
+ EndOffset = Offset;
Opcode = Data.getU8(&Offset);
Desc = getOpDesc(Opcode);
- if (Desc.Version == Operation::DwarfNA) {
- EndOffset = Offset;
+ if (Desc.Version == Operation::DwarfNA)
return false;
- }
for (unsigned Operand = 0; Operand < 2; ++Operand) {
unsigned Size = Desc.Op[Operand];
if (Size == Operation::SizeNA)
break;
- EndOffset = Offset;
switch (Size & ~Operation::SignBit) {
case Operation::Size1:
Operands[Operand] = Data.getU8(&Offset);
# CHECK: .debug_loc contents:
# CHECK-NEXT: 0x00000000:
-# CHECK-NEXT: (0x0000000000000000, 0x0000000000000015): <decoding error>
+# CHECK-NEXT: (0x0000000000000000, 0x0000000000000015): <decoding error> 9a ff 00 00 00
.section .debug_loc, "", @progbits
.quad 0 # Beginning address offset
## Check we don't crash when parsing invalid expression opcode.
# RUN: llvm-dwarfdump %t | FileCheck %s
# CHECK: DW_TAG_GNU_call_site_parameter
-# CHECK-NEXT: DW_AT_location (<decoding error>)
+# CHECK-NEXT: DW_AT_location (<decoding error> ff)
## Check verifier reports an error.
# RUN: not llvm-dwarfdump -verify %t 2>&1 | FileCheck %s --check-prefix=VERIFY
# VERIFY: DIE contains invalid DWARF expression:
# VERIFY: DW_TAG_GNU_call_site_parameter
-# VERIFY-NEXT: DW_AT_location (<decoding error>)
+# VERIFY-NEXT: DW_AT_location (<decoding error> ff)
.section .debug_info,"",@progbits
.long 0x12