68 lines
2.0 KiB
C
68 lines
2.0 KiB
C
/* Target machine parameters for an embedded m68k, for GDB, the GNU debugger.
|
|
This is for object file formats that don't have underlines on symbols.
|
|
Copyright 1986, 1987, 1989, 1992 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
|
|
(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., 675 Mass Ave, Cambridge, MA 02139, USA. */
|
|
|
|
#define HAVE_68881
|
|
|
|
#include "tm-68k.h"
|
|
|
|
/* Longjmp info comes from the Sun-3 machine description. Might as well
|
|
guess... */
|
|
|
|
/* Offsets (in target ints) into jmp_buf. Not defined by Sun, but at least
|
|
documented in a comment in <machine/setjmp.h>! */
|
|
|
|
#define JB_ELEMENT_SIZE 4
|
|
|
|
#define JB_ONSSTACK 0
|
|
#define JB_SIGMASK 1
|
|
#define JB_SP 2
|
|
#define JB_PC 3
|
|
#define JB_PSL 4
|
|
#define JB_D2 5
|
|
#define JB_D3 6
|
|
#define JB_D4 7
|
|
#define JB_D5 8
|
|
#define JB_D6 9
|
|
#define JB_D7 10
|
|
#define JB_A2 11
|
|
#define JB_A3 12
|
|
#define JB_A4 13
|
|
#define JB_A5 14
|
|
#define JB_A6 15
|
|
|
|
/* 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)
|
|
|
|
/* Where is the PC after a call? */
|
|
|
|
#ifdef __STDC__
|
|
struct frame_info;
|
|
#endif
|
|
|
|
extern CORE_ADDR m68k_saved_pc_after_call PARAMS ((struct frame_info *));
|
|
|
|
#undef SAVED_PC_AFTER_CALL
|
|
#define SAVED_PC_AFTER_CALL(frame) \
|
|
m68k_saved_pc_after_call(frame)
|