[deliverable/binutils-gdb.git] / gdb / config / m68k / tm-delta68.h

/* Target definitions for delta68.
   Copyright 1993, 1994, 1998, 1999, 2000 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., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */

struct frame_info;

#include "regcache.h"

/* 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

#define GCC_COMPILED_FLAG_SYMBOL "gcc_compiled%"
#define GCC2_COMPILED_FLAG_SYMBOL "gcc2_compiled%"

/* Amount PC must be decremented by after a breakpoint.
   On the Delta, the kernel decrements it for us.  */

#define DECR_PC_AFTER_BREAK 0

/* Not sure what happens if we try to store this register, but
   phdm@info.ucl.ac.be says we need this define.  */

#define CANNOT_STORE_REGISTER(regno)	(regno == FPI_REGNUM)

/* Extract from an array REGBUF containing the (raw) register state
   a function return value of type TYPE, and copy that, in virtual format,
   into VALBUF.  */

/* When it returns a float/double value, use fp0 in sysV68.  */
/* When it returns a pointer value, use a0 in sysV68.  */

#define DEPRECATED_EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF)		\
  if (TYPE_CODE (TYPE) == TYPE_CODE_FLT)				\
    DEPRECATED_REGISTER_CONVERT_TO_VIRTUAL (FP0_REGNUM, TYPE,			\
				 &REGBUF[REGISTER_BYTE (FP0_REGNUM)],	\
				 VALBUF);				\
  else									\
    memcpy ((VALBUF),							\
	    (char *) ((REGBUF) +					\
		      (TYPE_CODE(TYPE) == TYPE_CODE_PTR ? 8 * 4 :	\
		       (TYPE_LENGTH(TYPE) >= 4 ? 0 : 4 - TYPE_LENGTH(TYPE)))), \
	    TYPE_LENGTH(TYPE))

/* Write into appropriate registers a function return value
   of type TYPE, given in virtual format.  */

/* When it returns a float/double value, use fp0 in sysV68.  */
/* When it returns a pointer value, use a0 in sysV68.  */

#define DEPRECATED_STORE_RETURN_VALUE(TYPE,VALBUF) \
  if (TYPE_CODE (TYPE) == TYPE_CODE_FLT)				\
      {									\
	char raw_buf[REGISTER_RAW_SIZE (FP0_REGNUM)];			\
	DEPRECATED_REGISTER_CONVERT_TO_RAW (TYPE, FP0_REGNUM, VALBUF, raw_buf);	\
	deprecated_write_register_bytes (REGISTER_BYTE (FP0_REGNUM),		\
			      raw_buf, REGISTER_RAW_SIZE (FP0_REGNUM)); \
      }									\
  else									\
    deprecated_write_register_bytes ((TYPE_CODE(TYPE) == TYPE_CODE_PTR ? 8 * 4 : 0), \
			  VALBUF, TYPE_LENGTH (TYPE))

/* Return number of args passed to a frame.
   Can return -1, meaning no way to tell.  */

extern int delta68_frame_num_args (struct frame_info *fi);
#define FRAME_NUM_ARGS(fi) (delta68_frame_num_args ((fi)))

/* On M68040 versions of sysV68 R3V7.1, ptrace(PT_WRITE_I) does not clear
   the processor's instruction cache as it should.  */
#define CLEAR_INSN_CACHE()	clear_insn_cache()

#include "m68k/tm-m68k.h"

/* Extract from an array REGBUF containing the (raw) register state
   the address in which a function should return its structure value,
   as a CORE_ADDR (or an expression that can be used as one).  */

#undef DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS
#define DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF)\
	(*(CORE_ADDR *)((char*)(REGBUF) + 8 * 4))

extern int delta68_in_sigtramp (CORE_ADDR pc, char *name);
#define IN_SIGTRAMP(pc,name) delta68_in_sigtramp (pc, name)

extern CORE_ADDR delta68_frame_saved_pc (struct frame_info *fi);
#undef DEPRECATED_FRAME_SAVED_PC
#define DEPRECATED_FRAME_SAVED_PC(fi) delta68_frame_saved_pc (fi)

extern CORE_ADDR delta68_frame_args_address (struct frame_info *fi);
#undef FRAME_ARGS_ADDRESS
#define FRAME_ARGS_ADDRESS(fi) delta68_frame_args_address (fi)
Commit	Line	Data
c906108c	1	/* Target definitions for delta68.
a1de33a8	2	Copyright 1993, 1994, 1998, 1999, 2000 Free Software Foundation, Inc.
c906108c	3
c5aa993b	4	This file is part of GDB.
c906108c	5
c5aa993b JM	6	This program is free software; you can redistribute it and/or modify
	7	it under the terms of the GNU General Public License as published by
	8	the Free Software Foundation; either version 2 of the License, or
	9	(at your option) any later version.
c906108c	10
c5aa993b JM	11	This program is distributed in the hope that it will be useful,
	12	but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	GNU General Public License for more details.
c906108c	15
c5aa993b JM	16	You should have received a copy of the GNU General Public License
	17	along with this program; if not, write to the Free Software
	18	Foundation, Inc., 59 Temple Place - Suite 330,
	19	Boston, MA 02111-1307, USA. */
c906108c	20
da3331ec AC	21	struct frame_info;
da3331ec AC	22
f88e2c52 AC	23	#include "regcache.h"
f88e2c52 AC	24
c906108c SS	25	/* Define BPT_VECTOR if it is different than the default.
	26	This is the vector number used by traps to indicate a breakpoint. */
	27
	28	#define BPT_VECTOR 0x1
	29
	30	#define GCC_COMPILED_FLAG_SYMBOL "gcc_compiled%"
	31	#define GCC2_COMPILED_FLAG_SYMBOL "gcc2_compiled%"
	32
	33	/* Amount PC must be decremented by after a breakpoint.
	34	On the Delta, the kernel decrements it for us. */
	35
	36	#define DECR_PC_AFTER_BREAK 0
	37
	38	/* Not sure what happens if we try to store this register, but
	39	phdm@info.ucl.ac.be says we need this define. */
	40
	41	#define CANNOT_STORE_REGISTER(regno) (regno == FPI_REGNUM)
	42
	43	/* Extract from an array REGBUF containing the (raw) register state
	44	a function return value of type TYPE, and copy that, in virtual format,
	45	into VALBUF. */
	46
	47	/* When it returns a float/double value, use fp0 in sysV68. */
	48	/* When it returns a pointer value, use a0 in sysV68. */
	49
26e9b323	50	#define DEPRECATED_EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \
c906108c	51	if (TYPE_CODE (TYPE) == TYPE_CODE_FLT) \
781a750d	52	DEPRECATED_REGISTER_CONVERT_TO_VIRTUAL (FP0_REGNUM, TYPE, \
c906108c SS	53	&REGBUF[REGISTER_BYTE (FP0_REGNUM)], \
	54	VALBUF); \
	55	else \
	56	memcpy ((VALBUF), \
	57	(char *) ((REGBUF) + \
	58	(TYPE_CODE(TYPE) == TYPE_CODE_PTR ? 8 * 4 : \
	59	(TYPE_LENGTH(TYPE) >= 4 ? 0 : 4 - TYPE_LENGTH(TYPE)))), \
	60	TYPE_LENGTH(TYPE))
	61
	62	/* Write into appropriate registers a function return value
	63	of type TYPE, given in virtual format. */
	64
	65	/* When it returns a float/double value, use fp0 in sysV68. */
	66	/* When it returns a pointer value, use a0 in sysV68. */
	67
ebba8386	68	#define DEPRECATED_STORE_RETURN_VALUE(TYPE,VALBUF) \
c906108c SS	69	if (TYPE_CODE (TYPE) == TYPE_CODE_FLT) \
	70	{ \
	71	char raw_buf[REGISTER_RAW_SIZE (FP0_REGNUM)]; \
781a750d	72	DEPRECATED_REGISTER_CONVERT_TO_RAW (TYPE, FP0_REGNUM, VALBUF, raw_buf); \
73937e03	73	deprecated_write_register_bytes (REGISTER_BYTE (FP0_REGNUM), \
c906108c SS	74	raw_buf, REGISTER_RAW_SIZE (FP0_REGNUM)); \
	75	} \
	76	else \
73937e03	77	deprecated_write_register_bytes ((TYPE_CODE(TYPE) == TYPE_CODE_PTR ? 8 * 4 : 0), \
c906108c SS	78	VALBUF, TYPE_LENGTH (TYPE))
	79
	80	/* Return number of args passed to a frame.
	81	Can return -1, meaning no way to tell. */
	82
a14ed312	83	extern int delta68_frame_num_args (struct frame_info *fi);
cce74817	84	#define FRAME_NUM_ARGS(fi) (delta68_frame_num_args ((fi)))
c906108c SS	85
	86	/* On M68040 versions of sysV68 R3V7.1, ptrace(PT_WRITE_I) does not clear
	87	the processor's instruction cache as it should. */
	88	#define CLEAR_INSN_CACHE() clear_insn_cache()
	89
	90	#include "m68k/tm-m68k.h"
	91
	92	/* Extract from an array REGBUF containing the (raw) register state
	93	the address in which a function should return its structure value,
	94	as a CORE_ADDR (or an expression that can be used as one). */
	95
26e9b323 AC	96	#undef DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS
26e9b323 AC	97	#define DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF)\
c906108c	98	((CORE_ADDR )((char)(REGBUF) + 8 4))
89c3b6d3	99
a14ed312	100	extern int delta68_in_sigtramp (CORE_ADDR pc, char *name);
89c3b6d3 PDM	101	#define IN_SIGTRAMP(pc,name) delta68_in_sigtramp (pc, name)
89c3b6d3 PDM	102
a14ed312	103	extern CORE_ADDR delta68_frame_saved_pc (struct frame_info *fi);
8bedc050 AC	104	#undef DEPRECATED_FRAME_SAVED_PC
8bedc050 AC	105	#define DEPRECATED_FRAME_SAVED_PC(fi) delta68_frame_saved_pc (fi)
89c3b6d3	106
a14ed312	107	extern CORE_ADDR delta68_frame_args_address (struct frame_info *fi);
89c3b6d3 PDM	108	#undef FRAME_ARGS_ADDRESS
89c3b6d3 PDM	109	#define FRAME_ARGS_ADDRESS(fi) delta68_frame_args_address (fi)