-/* Signal trampoline unwinder, for GDB the GNU Debugger.
+/* Signal trampoline unwinder.
- Copyright 2004 Free Software Foundation, Inc.
+ Copyright (C) 2004, 2005, 2007, 2008 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef TRAMP_FRAME_H
#define TRAMP_FRAME_H
+#include "frame.h" /* For "enum frame_type". */
+
struct trad_frame;
struct frame_info;
struct trad_frame_cache;
struct tramp_frame
{
- /* The trampoline's entire instruction sequence. Search for this in
- the inferior at or around the frame's PC. It is assumed that the
- PC is INSN_SIZE aligned, and that each element of TRAMP contains
- one INSN_SIZE instruction. It is also assumed that TRAMP[0]
- contains the first instruction of the trampoline and hence the
- address of the instruction matching TRAMP[0] is the trampoline's
- "func" address. The instruction sequence shall be terminated by
+ /* The trampoline's type, some a signal trampolines, some are normal
+ call-frame trampolines (aka thunks). */
+ enum frame_type frame_type;
+ /* The trampoline's entire instruction sequence. It consists of a
+ bytes/mask pair. Search for this in the inferior at or around
+ the frame's PC. It is assumed that the PC is INSN_SIZE aligned,
+ and that each element of TRAMP contains one INSN_SIZE
+ instruction. It is also assumed that INSN[0] contains the first
+ instruction of the trampoline and hence the address of the
+ instruction matching INSN[0] is the trampoline's "func" address.
+ The instruction sequence is terminated by
TRAMP_SENTINEL_INSN. */
int insn_size;
- ULONGEST insn[8];
+ struct
+ {
+ ULONGEST bytes;
+ ULONGEST mask;
+ } insn[48];
/* Initialize a trad-frame cache corresponding to the tramp-frame.
FUNC is the address of the instruction TRAMP[0] in memory. */
void (*init) (const struct tramp_frame *self,