diff options
Diffstat (limited to 'gdb/i386-tdep.c')
| -rw-r--r-- | gdb/i386-tdep.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/gdb/i386-tdep.c b/gdb/i386-tdep.c index 973fa63..4ee9fa4 100644 --- a/gdb/i386-tdep.c +++ b/gdb/i386-tdep.c @@ -508,9 +508,13 @@ i386_analyze_frame_setup (CORE_ADDR pc, CORE_ADDR current_pc, subl %edx, %edx subl %eax, %eax + Because of the symmetry, there are actually two ways to + encode these instructions; with opcode bytes 0x29 and 0x2b + for `subl' and opcode bytes 0x31 and 0x33 for `xorl'. + Make sure we only skip these instructions if we later see the `movl %esp, %ebp' that actually sets up the frame. */ - while (op == 0x29 || op == 0x31) + while (op == 0x29 || op == 0x2b || op == 0x31 || op == 0x33) { op = read_memory_unsigned_integer (pc + skip + 2, 1); switch (op) |