old-cross-binutils/gdb/config/m68k/tm-m68kv4.h
Fred Fish 81a80f3282 * Makefile.in (init.c): Generate with prototypes.
* config/pa/tm-hppa.h (frame_saved_pc): Add prototype.
	* config/rs6000/xm-rs6000.h (aix_resizewindow): Ditto.
	* config/rs6000/tm-rs6000.h (frame_initial_stack_address): Ditto.
	(pc_load_segment_name): Ditto.
	(pop_frame): Ditto.
	(extract_return_value): Ditto.
	(is_magic_function_pointer): Ditto.
	(push_dummy_frame): Ditto.
	(fix_call_dummy): Ditto.
	(push_arguments): Ditto.
	(skip_trampoline_code): Ditto.
	(aix_process_linenos): Ditto.

	* config/m68k/tm-cisco.h (get_longjmp_target): Add prototype.
	* config/m68k/tm-es1800.h: Ditto.
	* config/m68k/tm-vx68.h: Ditto.
	* config/m68k/tm-sun3.h: Ditto.
	* config/m68k/tm-m68kv4.h: Ditto.
1996-08-14 20:29:08 +00:00

70 lines
2.5 KiB
C

/* 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_ALTERNATE
#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)