bool
DWARFCallFrameInfo::FDEToUnwindPlan (dw_offset_t dwarf_offset, Address startaddr, UnwindPlan& unwind_plan)
{
+ Log *log = GetLogIfAllCategoriesSet(LIBLLDB_LOG_UNWIND);
lldb::offset_t offset = dwarf_offset;
lldb::offset_t current_entry = offset;
// the stack and place them in the current row. (This operation is
// useful for compilers that move epilogue code into the body of a
// function.)
+ if (stack.empty())
+ {
+ if (log)
+ log->Printf(
+ "DWARFCallFrameInfo::%s(dwarf_offset: %" PRIx32 ", startaddr: %" PRIx64
+ " encountered DW_CFA_restore_state but state stack is empty. Corrupt unwind info?",
+ __FUNCTION__, dwarf_offset, startaddr.GetFileAddress());
+ break;
+ }
lldb::addr_t offset = row->GetOffset ();
row = stack.back ();
stack.pop_back ();
break;
}
+ case DW_CFA_GNU_args_size: // 0x2e
+ {
+ // The DW_CFA_GNU_args_size instruction takes an unsigned LEB128 operand
+ // representing an argument size. This instruction specifies the total of
+ // the size of the arguments which have been pushed onto the stack.
+
+ // TODO: Figure out how we should handle this.
+ m_cfi_data.GetULEB128(&offset);
+ }
+
case DW_CFA_val_offset : // 0x14
case DW_CFA_val_offset_sf : // 0x15
default: