[deliverable/binutils-gdb.git] / gdb / config / m68k / xm-hp300hpux.h

/* Parameters for HP 9000 model 320 hosting, for GDB, the GNU debugger.
   Copyright (C) 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 HOST_BYTE_ORDER BIG_ENDIAN

/* HPUX 8.0, in its infinite wisdom, has chosen to prototype ptrace
   with five arguments, so programs written for normal ptrace lose.

   Idiots.

   (They should have just made it varadic).  */
#define FIVE_ARG_PTRACE

/* Define this to indicate problems with traps after continuing.  */
#define HP_OS_BUG

/* Set flag to indicate whether HP's assembler is in use. */
#ifdef __GNUC__
#ifdef __HPUX_ASM__
#define HPUX_ASM
#endif
#else /* not GNU C.  */
#define HPUX_ASM
#endif /* not GNU C.  */

/* Define this for versions of hp-ux older than 6.0 */
/* #define HPUX_VERSION_5 */

/* define USG if you are using sys5 /usr/include's */
#undef USG	/* In case it was defined in the Makefile for cplus-dem.c */
#define USG

/* The mem functions are in <string.h>.  */
#undef MEM_FNS_DECLARED
#define MEM_FNS_DECLARED 1

#define HAVE_TERMIO

/* Get rid of any system-imposed stack limit if possible.  */
/* The hp9k320.h doesn't seem to have this feature.  */
/* #define SET_STACK_LIMIT_HUGE */
/* So we'll just have to avoid big alloca's.  */
#define BROKEN_LARGE_ALLOCA

#define REGISTER_ADDR(u_ar0, regno)					\
  (unsigned int)							\
  (((regno) < PS_REGNUM)						\
   ? (&((struct exception_stack *) (u_ar0))->e_regs[(regno + R0)])	\
   : (((regno) == PS_REGNUM)						\
      ? ((int *) (&((struct exception_stack *) (u_ar0))->e_PS))		\
      : (&((struct exception_stack *) (u_ar0))->e_PC)))

#define FP_REGISTER_ADDR(u, regno)					\
  (((char *)								\
    (((regno) < FPC_REGNUM)						\
     ? (&u.u_pcb.pcb_mc68881[FMC68881_R0 + (((regno) - FP0_REGNUM) * 3)]) \
     : (&u.u_pcb.pcb_mc68881[FMC68881_C + ((regno) - FPC_REGNUM)])))	\
   - ((char *) (& u)))
\f
/* Interface definitions for kernel debugger KDB.  */

/* Map machine fault codes into signal numbers.
   First subtract 0, divide by 4, then index in a table.
   Faults for which the entry in this table is 0
   are not handled by KDB; the program's own trap handler
   gets to handle then.  */

#define FAULT_CODE_ORIGIN 0
#define FAULT_CODE_UNITS 4
#define FAULT_TABLE    \
{ 0, 0, 0, 0, SIGTRAP, 0, 0, 0, \
  0, SIGTRAP, 0, 0, 0, 0, 0, SIGKILL, \
  0, 0, 0, 0, 0, 0, 0, 0, \
  SIGILL }

#ifndef HPUX_ASM

/* Start running with a stack stretching from BEG to END.
   BEG and END should be symbols meaningful to the assembler.
   This is used only for kdb.  */

#define INIT_STACK(beg, end)  \
{ asm (".globl end");         \
  asm ("movel $ end, sp");      \
  asm ("clrl fp"); }

/* Push the frame pointer register on the stack.  */
#define PUSH_FRAME_PTR        \
  asm ("movel fp, -(sp)");

/* Copy the top-of-stack to the frame pointer register.  */
#define POP_FRAME_PTR  \
  asm ("movl (sp), fp");

/* After KDB is entered by a fault, push all registers
   that GDB thinks about (all NUM_REGS of them),
   so that they appear in order of ascending GDB register number.
   The fault code will be on the stack beyond the last register.  */

#define PUSH_REGISTERS        \
{ asm ("clrw -(sp)");	      \
  asm ("pea 10(sp)");	      \
  asm ("movem $ 0xfffe,-(sp)"); }

/* Assuming the registers (including processor status) have been
   pushed on the stack in order of ascending GDB register number,
   restore them and return to the address in the saved PC register.  */

#define POP_REGISTERS          \
{ asm ("subil $8,28(sp)");     \
  asm ("movem (sp),$ 0xffff"); \
  asm ("rte"); }

#else /* HPUX_ASM */

/* Start running with a stack stretching from BEG to END.
   BEG and END should be symbols meaningful to the assembler.
   This is used only for kdb.  */

#define INIT_STACK(beg, end)						\
{ asm ("global end");							\
  asm ("mov.l &end,%sp");						\
  asm ("clr.l %a6"); }

/* Push the frame pointer register on the stack.  */
#define PUSH_FRAME_PTR							\
  asm ("mov.l %fp,-(%sp)");

/* Copy the top-of-stack to the frame pointer register.  */
#define POP_FRAME_PTR							\
  asm ("mov.l (%sp),%fp");

/* After KDB is entered by a fault, push all registers
   that GDB thinks about (all NUM_REGS of them),
   so that they appear in order of ascending GDB register number.
   The fault code will be on the stack beyond the last register.  */

#define PUSH_REGISTERS							\
{ asm ("clr.w -(%sp)");							\
  asm ("pea 10(%sp)");							\
  asm ("movm.l &0xfffe,-(%sp)"); }

/* Assuming the registers (including processor status) have been
   pushed on the stack in order of ascending GDB register number,
   restore them and return to the address in the saved PC register.  */

#define POP_REGISTERS							\
{ asm ("subi.l &8,28(%sp)");						\
  asm ("mov.m (%sp),&0xffff");						\
  asm ("rte"); }

#endif /* HPUX_ASM */
Commit	Line	Data
5076de82 FF	1	/* Parameters for HP 9000 model 320 hosting, for GDB, the GNU debugger.
	2	Copyright (C) 1986, 1987, 1989, 1992 Free Software Foundation, Inc.
	3
	4	This file is part of GDB.
	5
	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.
	10
	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.
	15
	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., 675 Mass Ave, Cambridge, MA 02139, USA. */
	19
5076de82 FF	20	#define HOST_BYTE_ORDER BIG_ENDIAN
5076de82 FF	21
0626f40d JK	22	/* HPUX 8.0, in its infinite wisdom, has chosen to prototype ptrace
	23	with five arguments, so programs written for normal ptrace lose.
	24
	25	Idiots.
	26
	27	(They should have just made it varadic). */
	28	#define FIVE_ARG_PTRACE
	29
5076de82 FF	30	/* Define this to indicate problems with traps after continuing. */
	31	#define HP_OS_BUG
	32
	33	/* Set flag to indicate whether HP's assembler is in use. */
	34	#ifdef __GNUC__
	35	#ifdef __HPUX_ASM__
	36	#define HPUX_ASM
	37	#endif
	38	#else /* not GNU C. */
	39	#define HPUX_ASM
	40	#endif /* not GNU C. */
	41
	42	/* Define this for versions of hp-ux older than 6.0 */
	43	/* #define HPUX_VERSION_5 */
	44
	45	/* define USG if you are using sys5 /usr/include's */
	46	#undef USG /* In case it was defined in the Makefile for cplus-dem.c */
	47	#define USG
	48
	49	/* The mem functions are in <string.h>. */
	50	#undef MEM_FNS_DECLARED
	51	#define MEM_FNS_DECLARED 1
	52
	53	#define HAVE_TERMIO
	54
	55	/* Get rid of any system-imposed stack limit if possible. */
	56	/* The hp9k320.h doesn't seem to have this feature. */
	57	/* #define SET_STACK_LIMIT_HUGE */
	58	/* So we'll just have to avoid big alloca's. */
	59	#define BROKEN_LARGE_ALLOCA
	60
5076de82 FF	61	#define REGISTER_ADDR(u_ar0, regno) \
	62	(unsigned int) \
	63	(((regno) < PS_REGNUM) \
	64	? (&((struct exception_stack *) (u_ar0))->e_regs[(regno + R0)]) \
	65	: (((regno) == PS_REGNUM) \
	66	? ((int ) (&((struct exception_stack ) (u_ar0))->e_PS)) \
	67	: (&((struct exception_stack *) (u_ar0))->e_PC)))
	68
	69	#define FP_REGISTER_ADDR(u, regno) \
	70	(((char *) \
	71	(((regno) < FPC_REGNUM) \
	72	? (&u.u_pcb.pcb_mc68881[FMC68881_R0 + (((regno) - FP0_REGNUM) * 3)]) \
	73	: (&u.u_pcb.pcb_mc68881[FMC68881_C + ((regno) - FPC_REGNUM)]))) \
	74	- ((char *) (& u)))
	75	\f
	76	/* Interface definitions for kernel debugger KDB. */
	77
	78	/* Map machine fault codes into signal numbers.
	79	First subtract 0, divide by 4, then index in a table.
	80	Faults for which the entry in this table is 0
	81	are not handled by KDB; the program's own trap handler
	82	gets to handle then. */
	83
	84	#define FAULT_CODE_ORIGIN 0
	85	#define FAULT_CODE_UNITS 4
	86	#define FAULT_TABLE \
	87	{ 0, 0, 0, 0, SIGTRAP, 0, 0, 0, \
	88	0, SIGTRAP, 0, 0, 0, 0, 0, SIGKILL, \
	89	0, 0, 0, 0, 0, 0, 0, 0, \
	90	SIGILL }
	91
	92	#ifndef HPUX_ASM
	93
	94	/* Start running with a stack stretching from BEG to END.
	95	BEG and END should be symbols meaningful to the assembler.
	96	This is used only for kdb. */
	97
	98	#define INIT_STACK(beg, end) \
	99	{ asm (".globl end"); \
	100	asm ("movel $ end, sp"); \
	101	asm ("clrl fp"); }
	102
	103	/* Push the frame pointer register on the stack. */
	104	#define PUSH_FRAME_PTR \
	105	asm ("movel fp, -(sp)");
	106
	107	/* Copy the top-of-stack to the frame pointer register. */
	108	#define POP_FRAME_PTR \
	109	asm ("movl (sp), fp");
	110
	111	/* After KDB is entered by a fault, push all registers
	112	that GDB thinks about (all NUM_REGS of them),
	113	so that they appear in order of ascending GDB register number.
	114	The fault code will be on the stack beyond the last register. */
	115
	116	#define PUSH_REGISTERS \
	117	{ asm ("clrw -(sp)"); \
	118	asm ("pea 10(sp)"); \
	119	asm ("movem $ 0xfffe,-(sp)"); }
	120
	121	/* Assuming the registers (including processor status) have been
	122	pushed on the stack in order of ascending GDB register number,
	123	restore them and return to the address in the saved PC register. */
	124
125	#define POP_REGISTERS \
126	{ asm ("subil $8,28(sp)"); \
127	asm ("movem (sp),$ 0xffff"); \
128	asm ("rte"); }
129
130	#else /* HPUX_ASM */
131
132	/* Start running with a stack stretching from BEG to END.
133	BEG and END should be symbols meaningful to the assembler.
134	This is used only for kdb. */
135
136	#define INIT_STACK(beg, end) \
137	{ asm ("global end"); \
138	asm ("mov.l &end,%sp"); \
139	asm ("clr.l %a6"); }
140
141	/* Push the frame pointer register on the stack. */
142	#define PUSH_FRAME_PTR \
143	asm ("mov.l %fp,-(%sp)");
144
145	/* Copy the top-of-stack to the frame pointer register. */
146	#define POP_FRAME_PTR \
147	asm ("mov.l (%sp),%fp");
148
149	/* After KDB is entered by a fault, push all registers
150	that GDB thinks about (all NUM_REGS of them),
151	so that they appear in order of ascending GDB register number.
152	The fault code will be on the stack beyond the last register. */
153
154	#define PUSH_REGISTERS \
155	{ asm ("clr.w -(%sp)"); \
156	asm ("pea 10(%sp)"); \
157	asm ("movm.l &0xfffe,-(%sp)"); }
158
159	/* Assuming the registers (including processor status) have been
160	pushed on the stack in order of ascending GDB register number,
161	restore them and return to the address in the saved PC register. */
162
163	#define POP_REGISTERS \
164	{ asm ("subi.l &8,28(%sp)"); \
165	asm ("mov.m (%sp),&0xffff"); \
166	asm ("rte"); }
167
168	#endif /* HPUX_ASM */