[thirdparty/binutils-gdb.git] / gdb / config / pa / tm-hppa.h

/* Parameters for execution on any Hewlett-Packard PA-RISC machine.

   Copyright 1986, 1987, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
   1996, 1998, 1999, 2000, 2001, 2002, 2003, 2004 Free Software
   Foundation, Inc.

   Contributed by the Center for Software Science at the
   University of Utah (pa-gdb-bugs@cs.utah.edu).

   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.  */

#include "regcache.h"

#define GDB_MULTI_ARCH 1

extern int hppa_pc_requires_run_before_use (CORE_ADDR pc);
#define PC_REQUIRES_RUN_BEFORE_USE(pc) hppa_pc_requires_run_before_use (pc)

/* Register numbers of various important registers.
   Note that some of these values are "real" register numbers,
   and correspond to the general registers of the machine,
   and some are "phony" register numbers which are too large
   to be actual register numbers as far as the user is concerned
   but do serve to get the desired values when passed to read_register.  */

#define R0_REGNUM 0		/* Doesn't actually exist, used as base for
				   other r registers.  */
#define FLAGS_REGNUM 0		/* Various status flags */
#define RP_REGNUM 2		/* return pointer */
#define HPPA_FP_REGNUM 3	/* The ABI's frame pointer, when used */
#define HPPA_SP_REGNUM 30	/* Stack pointer.  */
#define SAR_REGNUM 32		/* Shift Amount Register */
#define IPSW_REGNUM 41		/* Interrupt Processor Status Word */
#define PCOQ_HEAD_REGNUM 33	/* instruction offset queue head */
#define PCSQ_HEAD_REGNUM 34	/* instruction space queue head */
#define PCOQ_TAIL_REGNUM 35	/* instruction offset queue tail */
#define PCSQ_TAIL_REGNUM 36	/* instruction space queue tail */
#define EIEM_REGNUM 37		/* External Interrupt Enable Mask */
#define IIR_REGNUM 38		/* Interrupt Instruction Register */
#define IOR_REGNUM 40		/* Interrupt Offset Register */
#define SR4_REGNUM 43		/* space register 4 */
#define RCR_REGNUM 51		/* Recover Counter (also known as cr0) */
#define CCR_REGNUM 54		/* Coprocessor Configuration Register */
#define TR0_REGNUM 57		/* Temporary Registers (cr24 -> cr31) */
#define CR27_REGNUM 60		/* Base register for thread-local storage, cr27 */
#define HPPA_FP0_REGNUM 64	/* First floating-point.  */
#define FP4_REGNUM 72

#define ARG0_REGNUM 26		/* The first argument of a callee. */
#define ARG1_REGNUM 25		/* The second argument of a callee. */
#define ARG2_REGNUM 24		/* The third argument of a callee. */
#define ARG3_REGNUM 23		/* The fourth argument of a callee. */

/* When fetching register values from an inferior or a core file,
   clean them up using this macro.  BUF is a char pointer to
   the raw value of the register in the registers[] array.  */

#define	DEPRECATED_CLEAN_UP_REGISTER_VALUE(regno, buf) \
  do {	\
    if ((regno) == PCOQ_HEAD_REGNUM || (regno) == PCOQ_TAIL_REGNUM) \
      (buf)[sizeof(CORE_ADDR) -1] &= ~0x3; \
  } while (0)

/* PA specific macro to see if the current instruction is nullified. */
#ifndef INSTRUCTION_NULLIFIED
extern int hppa_instruction_nullified (void);
#define INSTRUCTION_NULLIFIED hppa_instruction_nullified ()
#endif

/* Here's how to step off a permanent breakpoint.  */
#define SKIP_PERMANENT_BREAKPOINT (hppa_skip_permanent_breakpoint)
extern void hppa_skip_permanent_breakpoint (void);

/* On HP-UX, certain system routines (millicode) have names beginning
   with $ or $$, e.g. $$dyncall, which handles inter-space procedure
   calls on PA-RISC.  Tell the expression parser to check for those
   when parsing tokens that begin with "$".  */
#define SYMBOLS_CAN_START_WITH_DOLLAR (1)
Commit	Line	Data
c906108c	1	/* Parameters for execution on any Hewlett-Packard PA-RISC machine.
343af405 AC	2
	3	Copyright 1986, 1987, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
	4	1996, 1998, 1999, 2000, 2001, 2002, 2003, 2004 Free Software
	5	Foundation, Inc.
c906108c SS	6
	7	Contributed by the Center for Software Science at the
	8	University of Utah (pa-gdb-bugs@cs.utah.edu).
	9
c5aa993b	10	This file is part of GDB.
c906108c	11
c5aa993b JM	12	This program is free software; you can redistribute it and/or modify
	13	it under the terms of the GNU General Public License as published by
	14	the Free Software Foundation; either version 2 of the License, or
	15	(at your option) any later version.
c906108c	16
c5aa993b JM	17	This program is distributed in the hope that it will be useful,
	18	but WITHOUT ANY WARRANTY; without even the implied warranty of
	19	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	20	GNU General Public License for more details.
c906108c	21
c5aa993b JM	22	You should have received a copy of the GNU General Public License
	23	along with this program; if not, write to the Free Software
	24	Foundation, Inc., 59 Temple Place - Suite 330,
	25	Boston, MA 02111-1307, USA. */
c906108c	26
f88e2c52 AC	27	#include "regcache.h"
f88e2c52 AC	28
61995b3b	29	#define GDB_MULTI_ARCH 1
e6e68f1f	30
d709c020 JB	31	extern int hppa_pc_requires_run_before_use (CORE_ADDR pc);
d709c020 JB	32	#define PC_REQUIRES_RUN_BEFORE_USE(pc) hppa_pc_requires_run_before_use (pc)
c906108c	33
c906108c SS	34	/* Register numbers of various important registers.
	35	Note that some of these values are "real" register numbers,
	36	and correspond to the general registers of the machine,
	37	and some are "phony" register numbers which are too large
	38	to be actual register numbers as far as the user is concerned
	39	but do serve to get the desired values when passed to read_register. */
	40
	41	#define R0_REGNUM 0 /* Doesn't actually exist, used as base for
	42	other r registers. */
	43	#define FLAGS_REGNUM 0 /* Various status flags */
	44	#define RP_REGNUM 2 /* return pointer */
eded0a31 AC	45	#define HPPA_FP_REGNUM 3 /* The ABI's frame pointer, when used */
eded0a31 AC	46	#define HPPA_SP_REGNUM 30 /* Stack pointer. */
c906108c SS	47	#define SAR_REGNUM 32 /* Shift Amount Register */
	48	#define IPSW_REGNUM 41 /* Interrupt Processor Status Word */
	49	#define PCOQ_HEAD_REGNUM 33 /* instruction offset queue head */
	50	#define PCSQ_HEAD_REGNUM 34 /* instruction space queue head */
	51	#define PCOQ_TAIL_REGNUM 35 /* instruction offset queue tail */
	52	#define PCSQ_TAIL_REGNUM 36 /* instruction space queue tail */
	53	#define EIEM_REGNUM 37 /* External Interrupt Enable Mask */
	54	#define IIR_REGNUM 38 /* Interrupt Instruction Register */
	55	#define IOR_REGNUM 40 /* Interrupt Offset Register */
	56	#define SR4_REGNUM 43 /* space register 4 */
	57	#define RCR_REGNUM 51 /* Recover Counter (also known as cr0) */
	58	#define CCR_REGNUM 54 /* Coprocessor Configuration Register */
	59	#define TR0_REGNUM 57 /* Temporary Registers (cr24 -> cr31) */
c5aa993b	60	#define CR27_REGNUM 60 /* Base register for thread-local storage, cr27 */
eded0a31	61	#define HPPA_FP0_REGNUM 64 /* First floating-point. */
c906108c SS	62	#define FP4_REGNUM 72
c906108c SS	63
c5aa993b JM	64	#define ARG0_REGNUM 26 /* The first argument of a callee. */
	65	#define ARG1_REGNUM 25 /* The second argument of a callee. */
	66	#define ARG2_REGNUM 24 /* The third argument of a callee. */
	67	#define ARG3_REGNUM 23 /* The fourth argument of a callee. */
c906108c	68
c906108c SS	69	/* When fetching register values from an inferior or a core file,
	70	clean them up using this macro. BUF is a char pointer to
	71	the raw value of the register in the registers[] array. */
	72
4ee3352d	73	#define DEPRECATED_CLEAN_UP_REGISTER_VALUE(regno, buf) \
c906108c SS	74	do { \
c906108c SS	75	if ((regno) == PCOQ_HEAD_REGNUM \|\| (regno) == PCOQ_TAIL_REGNUM) \
7be570e7	76	(buf)[sizeof(CORE_ADDR) -1] &= ~0x3; \
c906108c SS	77	} while (0)
c906108c SS	78
c906108c SS	79	/* PA specific macro to see if the current instruction is nullified. */
c906108c SS	80	#ifndef INSTRUCTION_NULLIFIED
d709c020 JB	81	extern int hppa_instruction_nullified (void);
d709c020 JB	82	#define INSTRUCTION_NULLIFIED hppa_instruction_nullified ()
c906108c SS	83	#endif
c906108c SS	84
c2c6d25f JM	85	/* Here's how to step off a permanent breakpoint. */
	86	#define SKIP_PERMANENT_BREAKPOINT (hppa_skip_permanent_breakpoint)
	87	extern void hppa_skip_permanent_breakpoint (void);
2df3850c JM	88
	89	/* On HP-UX, certain system routines (millicode) have names beginning
	90	with $ or $$, e.g. $$dyncall, which handles inter-space procedure
	91	calls on PA-RISC. Tell the expression parser to check for those
	92	when parsing tokens that begin with "$". */
	93	#define SYMBOLS_CAN_START_WITH_DOLLAR (1)