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/* Target definitions for GDB on a Motorola 680x0 running SVR4.
(Commodore Amiga with amix or Atari TT with ASV)
Copyright (C) 1991, 1995 Free Software Foundation, Inc.
Written by Fred Fish at Cygnus Support (fnf@cygint)
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
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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. */
/* Define BPT_VECTOR if it is different than the default.
This is the vector number used by traps to indicate a breakpoint. */
#define BPT_VECTOR 0x1
/* How much to decrement the PC after a trap. Depends on kernel. */
#define DECR_PC_AFTER_BREAK 0 /* No decrement required */
/* Use the alternate method of determining valid frame chains. */
#define FRAME_CHAIN_VALID(fp,fi) func_frame_chain_valid (fp, fi)
#include "tm-sysv4.h"
#include "m68k/tm-m68k.h"
/* Offsets (in target ints) into jmp_buf. Not defined in any system header
file, so we have to step through setjmp/longjmp with a debugger and figure
them out. As a double check, note that <setjmp> defines _JBLEN as 13,
which matches the number of elements we see saved by setjmp(). */
#define JB_ELEMENT_SIZE sizeof(int) /* jmp_buf[_JBLEN] is array of ints */
#define JB_D2 0
#define JB_D3 1
#define JB_D4 2
#define JB_D5 3
#define JB_D6 4
#define JB_D7 5
#define JB_A1 6
#define JB_A2 7
#define JB_A3 8
#define JB_A4 9
#define JB_A5 10
#define JB_A6 11
#define JB_A7 12
#define JB_PC JB_A1 /* Setjmp()'s return PC saved in A1 */
/* Figure out where the longjmp will land. Slurp the args out of the stack.
We expect the first arg to be a pointer to the jmp_buf structure from which
we extract the pc (JB_PC) that we will land at. The pc is copied into ADDR.
This routine returns true on success */
#define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR)
extern int get_longjmp_target PARAMS ((CORE_ADDR *));
/* Convert a DWARF register number to a gdb REGNUM. */
#define DWARF_REG_TO_REGNUM(num) ((num) < 16 ? (num) : (num)+FP0_REGNUM-16)
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