unsigned long insn0, insn1, insn2;
CORE_ADDR pc = get_frame_pc (this_frame);
- if (safe_frame_unwind_memory (this_frame, pc - 4, buf, sizeof (buf)))
+ if (!safe_frame_unwind_memory (this_frame, pc - 4, buf, sizeof (buf)))
return 0;
insn1 = extract_unsigned_integer (buf + 4, 4);
insn2 = extract_unsigned_integer (buf + 8, 4);