| /* Target definitions for GDB on a Motorola 680x0 running SVR4. |
| (Commodore Amiga with amix or Atari TT with ASV) |
| Copyright 1991, 1994, 1995, 1996, 1998, 1999, 2000, 2003 |
| 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 */ |
| |
| #include "config/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) m68k_get_longjmp_target(ADDR) |
| |
| /* Convert a DWARF register number to a gdb REGNUM. */ |
| #define DWARF_REG_TO_REGNUM(num) ((num) < 16 ? (num) : (num)+FP0_REGNUM-16) |