https://bugs.llvm.org/show_bug.cgi?id=44621
Bug ID: 44621
Summary: LLDB may use wrong operand size of DW_OP_call_ref
Product: lldb
Version: 10.0
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: P
Component: All Bugs
Assignee: lldb-dev@lists.llvm.org
Reporter: ikud...@accesssoftek.com
CC: jdevliegh...@apple.com, llvm-b...@lists.llvm.org
In lldb/source/Expression/DWARFExpression.cpp, GetOpcodeDataSize(),
DW_OP_call_ref is handled in the same way as DW_OP_addr:
switch (op) {
case DW_OP_addr:
case DW_OP_call_ref: // 0x9a 1 address sized offset of DIE (DWARF3)
return data.GetAddressByteSize();
According to the DWARF standard, the operand size of DW_OP_call_ref is 4 or 8
bytes depending on the DWARF format (32- or 64-bit) and not an address size on
the target machine, as for DW_OP_addr.
Admittedly, I do not have a sample. I found that reviewing the code.
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