1 /* Macro definitions for GDB on a Commodore Amiga running SVR4 (amix).
2 Copyright (C) 1991, Free Software Foundation, Inc.
3 Written by Fred Fish at Cygnus Support (fnf@cygint)
5 This file is part of GDB.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
21 /* Define BPT_VECTOR if it is different than the default.
22 This is the vector number used by traps to indicate a breakpoint. */
24 #define BPT_VECTOR 0x1
26 /* How much to decrement the PC after a trap. Depends on kernel. */
28 #define DECR_PC_AFTER_BREAK 0 /* No decrement required */
30 /* Use the alternate method of determining valid frame chains. */
32 #define FRAME_CHAIN_VALID_ALTERNATE
35 #include "m68k/tm-m68k.h"
37 /* Offsets (in target ints) into jmp_buf. Not defined in any system header
38 file, so we have to step through setjmp/longjmp with a debugger and figure
39 them out. As a double check, note that <setjmp> defines _JBLEN as 13,
40 which matches the number of elements we see saved by setjmp(). */
42 #define JB_ELEMENT_SIZE sizeof(int) /* jmp_buf[_JBLEN] is array of ints */
58 #define JB_PC JB_A1 /* Setjmp()'s return PC saved in A1 */
60 /* Figure out where the longjmp will land. Slurp the args out of the stack.
61 We expect the first arg to be a pointer to the jmp_buf structure from which
62 we extract the pc (JB_PC) that we will land at. The pc is copied into ADDR.
63 This routine returns true on success */
65 #define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR)
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