1999-04-16 01:35:26 +00:00
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/* Machine-dependent hooks for the unix child process stratum. This
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code is for the HP PA-RISC cpu.
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2001-03-06 08:22:02 +00:00
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Copyright 1986, 1987, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1998,
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1999, 2000, 2001 Free Software Foundation, Inc.
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1999-04-16 01:35:26 +00:00
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Contributed by the Center for Software Science at the
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University of Utah (pa-gdb-bugs@cs.utah.edu).
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1999-07-07 20:19:36 +00:00
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This file is part of GDB.
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1999-04-16 01:35:26 +00:00
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1999-07-07 20:19:36 +00:00
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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1999-04-16 01:35:26 +00:00
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1999-07-07 20:19:36 +00:00
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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1999-04-16 01:35:26 +00:00
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1999-07-07 20:19:36 +00:00
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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1999-04-16 01:35:26 +00:00
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#include "defs.h"
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#include "inferior.h"
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#include "target.h"
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2001-03-01 01:39:22 +00:00
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#include "regcache.h"
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1999-04-16 01:35:26 +00:00
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#include <sys/ptrace.h>
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/* Use an extra level of indirection for ptrace calls.
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This lets us breakpoint usefully on call_ptrace. It also
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allows us to pass an extra argument to ptrace without
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using an ANSI-C specific macro. */
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#define ptrace call_ptrace
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#if !defined (offsetof)
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#define offsetof(TYPE, MEMBER) ((unsigned long) &((TYPE *)0)->MEMBER)
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#endif
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/* U_REGS_OFFSET is the offset of the registers within the u area. */
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#if !defined (U_REGS_OFFSET)
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#define U_REGS_OFFSET \
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2001-05-04 04:15:33 +00:00
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ptrace (PT_READ_U, PIDGET (inferior_ptid), \
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1999-04-16 01:35:26 +00:00
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(PTRACE_ARG3_TYPE) (offsetof (struct user, u_ar0)), 0) \
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- KERNEL_U_ADDR
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#endif
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/* Fetch one register. */
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static void
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2000-07-30 01:48:28 +00:00
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fetch_register (int regno)
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1999-04-16 01:35:26 +00:00
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{
|
2003-09-14 Andrew Cagney <cagney@redhat.com>
* alpha-nat.c: Remove some occurances of "register".
* alpha-tdep.c, arm-tdep.c, blockframe.c, breakpoint.c: Ditto.
* buildsym.c, c-typeprint.c, c-valprint.c, coffread.c: Ditto.
* corefile.c, cp-support.c, cp-valprint.c, cris-tdep.c: Ditto.
* dbxread.c, dcache.c, dwarf2read.c, elfread.c: Ditto.
* environ.c, eval.c, event-top.c, f-typeprint.c: Ditto.
* f-valprint.c, findvar.c, frame.c, gdbtypes.c: Ditto.
* h8300-tdep.c, hppa-tdep.c, hppab-nat.c, hppah-nat.c: Ditto.
* hppam3-nat.c, hpread.c, ia64-aix-nat.c, ia64-linux-nat.c: Ditto.
* infcall.c, infcmd.c, inflow.c, infptrace.c, infrun.c: Ditto.
* infttrace.c, irix5-nat.c, jv-typeprint.c: Ditto.
* jv-valprint.c, m68k-tdep.c, m68klinux-nat.c, main.c: Ditto.
* mdebugread.c, minsyms.c, mips-linux-tdep.c: Ditto.
* mips-nat.c, mips-tdep.c, mipsread.c, mipsv4-nat.c: Ditto.
* ns32k-tdep.c, objfiles.c, p-typeprint.c: Ditto.
* p-valprint.c, ppc-linux-nat.c, printcmd.c: Ditto.
* remote-mips.c, remote-vx.c, rs6000-nat.c: Ditto.
* rs6000-tdep.c, scm-exp.c, sh-tdep.c, sh64-tdep.c: Ditto.
* solib.c, somread.c, source.c, sparc-tdep.c: Ditto.
* stabsread.c, stack.c, standalone.c, symfile.c: Ditto.
* symmisc.c, symtab.c, top.c, tracepoint.c: Ditto.
* typeprint.c, utils.c, valarith.c, valops.c: Ditto.
* values.c, vax-tdep.c, xcoffread.c: Ditto.
2003-09-14 16:32:14 +00:00
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unsigned int regaddr;
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2003-05-08 Andrew Cagney <cagney@redhat.com>
* regcache.h (max_register_size): Delete declaration.
* regcache.c (max_register_size): Delete function.
(struct regcache_descr): Delete field "max_register_size".
(init_regcache_descr, init_legacy_regcache_descr): Assert that all
registers fit in MAX_REGISTER_SIZE.
(regcache_save): Replace max_register_size with MAX_REGISTER_SIZE.
(regcache_restore, regcache_xfer_part, regcache_dump): Ditto.
* thread-db.c: Replace max_register_size with MAX_REGISTER_SIZE.
* sh-tdep.c, rom68k-rom.c, remote-sim.c, remote-mips.c: Ditto.
* remote-e7000.c, monitor.c, mipsv4-nat.c, mips-nat.c: Ditto.
* m68klinux-nat.c, lynx-nat.c, irix4-nat.c: Ditto.
* hpux-thread.c, hppah-nat.c, hppab-nat.c, hppa-tdep.c: Ditto.
* dve3900-rom.c, hppa-tdep.c: Ditto.
2003-05-08 22:33:14 +00:00
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char buf[MAX_REGISTER_SIZE];
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2003-09-14 Andrew Cagney <cagney@redhat.com>
* alpha-nat.c: Remove some occurances of "register".
* alpha-tdep.c, arm-tdep.c, blockframe.c, breakpoint.c: Ditto.
* buildsym.c, c-typeprint.c, c-valprint.c, coffread.c: Ditto.
* corefile.c, cp-support.c, cp-valprint.c, cris-tdep.c: Ditto.
* dbxread.c, dcache.c, dwarf2read.c, elfread.c: Ditto.
* environ.c, eval.c, event-top.c, f-typeprint.c: Ditto.
* f-valprint.c, findvar.c, frame.c, gdbtypes.c: Ditto.
* h8300-tdep.c, hppa-tdep.c, hppab-nat.c, hppah-nat.c: Ditto.
* hppam3-nat.c, hpread.c, ia64-aix-nat.c, ia64-linux-nat.c: Ditto.
* infcall.c, infcmd.c, inflow.c, infptrace.c, infrun.c: Ditto.
* infttrace.c, irix5-nat.c, jv-typeprint.c: Ditto.
* jv-valprint.c, m68k-tdep.c, m68klinux-nat.c, main.c: Ditto.
* mdebugread.c, minsyms.c, mips-linux-tdep.c: Ditto.
* mips-nat.c, mips-tdep.c, mipsread.c, mipsv4-nat.c: Ditto.
* ns32k-tdep.c, objfiles.c, p-typeprint.c: Ditto.
* p-valprint.c, ppc-linux-nat.c, printcmd.c: Ditto.
* remote-mips.c, remote-vx.c, rs6000-nat.c: Ditto.
* rs6000-tdep.c, scm-exp.c, sh-tdep.c, sh64-tdep.c: Ditto.
* solib.c, somread.c, source.c, sparc-tdep.c: Ditto.
* stabsread.c, stack.c, standalone.c, symfile.c: Ditto.
* symmisc.c, symtab.c, top.c, tracepoint.c: Ditto.
* typeprint.c, utils.c, valarith.c, valops.c: Ditto.
* values.c, vax-tdep.c, xcoffread.c: Ditto.
2003-09-14 16:32:14 +00:00
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int i;
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1999-04-16 01:35:26 +00:00
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/* Offset of registers within the u area. */
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unsigned int offset;
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offset = U_REGS_OFFSET;
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regaddr = register_addr (regno, offset);
|
2003-10-02 Andrew Cagney <cagney@redhat.com>
* gdbarch.sh (DEPRECATED_REGISTER_RAW_SIZE): Rename
REGISTER_RAW_SIZE.
* gdbarch.h, gdbarch.c: Re-generate.
* aix-thread.c, alpha-tdep.h, arm-tdep.c, core-sol2.c: Update.
* cris-tdep.c, dve3900-rom.c, findvar.c, frame.c: Update.
* hppa-tdep.c, hppab-nat.c, hppah-nat.c, hppam3-nat.c: Update.
* hpux-thread.c, i386gnu-nat.c, ia64-aix-nat.c: Update.
* ia64-linux-nat.c, ia64-tdep.c, infcmd.c, infptrace.c: Update.
* infrun.c, irix5-nat.c, lynx-nat.c, mips-linux-tdep.c: Update.
* mips-nat.c, mips-tdep.c, mipsv4-nat.c, mn10300-tdep.c: Update.
* monitor.c, ns32k-tdep.c, ppc-linux-nat.c, regcache.c: Update.
* remote-e7000.c, remote-mips.c, remote-sim.c: Update.
* remote-vxmips.c, remote-vxsparc.c, remote.c: Update.
* rom68k-rom.c, rs6000-nat.c, rs6000-tdep.c, s390-tdep.c: Update.
* sh64-tdep.c, sparc-nat.c, sparc-tdep.c, stack.c: Update.
* target.c, tracepoint.c, v850-tdep.c, v850ice.c, valops.c: Update.
* vax-tdep.c, vax-tdep.h, x86-64-tdep.c, xstormy16-tdep.c: Update.
* config/m68k/tm-delta68.h, config/m68k/tm-vx68.h: Update.
* config/sparc/tm-sparc.h, config/sparc/tm-sparclynx.h: Update.
2003-10-02 Andrew Cagney <cagney@redhat.com>
* gdbint.texinfo (Target Architecture Definition): Rename
REGISTER_RAW_SIZE to DEPRECATED_REGISTER_RAW_SIZE.
* gdb.texinfo (Packets, Stop Reply Packets): Ditto.
* gdbint.texinfo (Target Architecture Definition): Rename
2003-10-02 Andrew Cagney <cagney@redhat.com>
* mi-main.c: Rename REGISTER_RAW_SIZE to
DEPRECATED_REGISTER_RAW_SIZE.
2003-10-02 20:28:31 +00:00
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for (i = 0; i < DEPRECATED_REGISTER_RAW_SIZE (regno); i += sizeof (int))
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1999-04-16 01:35:26 +00:00
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{
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errno = 0;
|
2001-05-04 04:15:33 +00:00
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*(int *) &buf[i] = ptrace (PT_RUREGS, PIDGET (inferior_ptid),
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1999-04-16 01:35:26 +00:00
|
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(PTRACE_ARG3_TYPE) regaddr, 0);
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regaddr += sizeof (int);
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if (errno != 0)
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{
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/* Warning, not error, in case we are attached; sometimes the
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kernel doesn't let us at the registers. */
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char *err = safe_strerror (errno);
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char *msg = alloca (strlen (err) + 128);
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sprintf (msg, "reading register %s: %s", REGISTER_NAME (regno), err);
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warning (msg);
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goto error_exit;
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}
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}
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supply_register (regno, buf);
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1999-07-07 20:19:36 +00:00
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error_exit:;
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1999-04-16 01:35:26 +00:00
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}
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/* Fetch all registers, or just one, from the child process. */
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void
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2000-07-30 01:48:28 +00:00
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fetch_inferior_registers (int regno)
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1999-04-16 01:35:26 +00:00
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{
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if (regno == -1)
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for (regno = 0; regno < NUM_REGS; regno++)
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fetch_register (regno);
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else
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fetch_register (regno);
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}
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/* Store our register values back into the inferior.
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If REGNO is -1, do this for all registers.
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Otherwise, REGNO specifies which register (so we can save time). */
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void
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2000-07-30 01:48:28 +00:00
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store_inferior_registers (int regno)
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1999-04-16 01:35:26 +00:00
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{
|
2003-09-14 Andrew Cagney <cagney@redhat.com>
* alpha-nat.c: Remove some occurances of "register".
* alpha-tdep.c, arm-tdep.c, blockframe.c, breakpoint.c: Ditto.
* buildsym.c, c-typeprint.c, c-valprint.c, coffread.c: Ditto.
* corefile.c, cp-support.c, cp-valprint.c, cris-tdep.c: Ditto.
* dbxread.c, dcache.c, dwarf2read.c, elfread.c: Ditto.
* environ.c, eval.c, event-top.c, f-typeprint.c: Ditto.
* f-valprint.c, findvar.c, frame.c, gdbtypes.c: Ditto.
* h8300-tdep.c, hppa-tdep.c, hppab-nat.c, hppah-nat.c: Ditto.
* hppam3-nat.c, hpread.c, ia64-aix-nat.c, ia64-linux-nat.c: Ditto.
* infcall.c, infcmd.c, inflow.c, infptrace.c, infrun.c: Ditto.
* infttrace.c, irix5-nat.c, jv-typeprint.c: Ditto.
* jv-valprint.c, m68k-tdep.c, m68klinux-nat.c, main.c: Ditto.
* mdebugread.c, minsyms.c, mips-linux-tdep.c: Ditto.
* mips-nat.c, mips-tdep.c, mipsread.c, mipsv4-nat.c: Ditto.
* ns32k-tdep.c, objfiles.c, p-typeprint.c: Ditto.
* p-valprint.c, ppc-linux-nat.c, printcmd.c: Ditto.
* remote-mips.c, remote-vx.c, rs6000-nat.c: Ditto.
* rs6000-tdep.c, scm-exp.c, sh-tdep.c, sh64-tdep.c: Ditto.
* solib.c, somread.c, source.c, sparc-tdep.c: Ditto.
* stabsread.c, stack.c, standalone.c, symfile.c: Ditto.
* symmisc.c, symtab.c, top.c, tracepoint.c: Ditto.
* typeprint.c, utils.c, valarith.c, valops.c: Ditto.
* values.c, vax-tdep.c, xcoffread.c: Ditto.
2003-09-14 16:32:14 +00:00
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unsigned int regaddr;
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1999-04-16 01:35:26 +00:00
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char buf[80];
|
2003-09-14 Andrew Cagney <cagney@redhat.com>
* alpha-nat.c: Remove some occurances of "register".
* alpha-tdep.c, arm-tdep.c, blockframe.c, breakpoint.c: Ditto.
* buildsym.c, c-typeprint.c, c-valprint.c, coffread.c: Ditto.
* corefile.c, cp-support.c, cp-valprint.c, cris-tdep.c: Ditto.
* dbxread.c, dcache.c, dwarf2read.c, elfread.c: Ditto.
* environ.c, eval.c, event-top.c, f-typeprint.c: Ditto.
* f-valprint.c, findvar.c, frame.c, gdbtypes.c: Ditto.
* h8300-tdep.c, hppa-tdep.c, hppab-nat.c, hppah-nat.c: Ditto.
* hppam3-nat.c, hpread.c, ia64-aix-nat.c, ia64-linux-nat.c: Ditto.
* infcall.c, infcmd.c, inflow.c, infptrace.c, infrun.c: Ditto.
* infttrace.c, irix5-nat.c, jv-typeprint.c: Ditto.
* jv-valprint.c, m68k-tdep.c, m68klinux-nat.c, main.c: Ditto.
* mdebugread.c, minsyms.c, mips-linux-tdep.c: Ditto.
* mips-nat.c, mips-tdep.c, mipsread.c, mipsv4-nat.c: Ditto.
* ns32k-tdep.c, objfiles.c, p-typeprint.c: Ditto.
* p-valprint.c, ppc-linux-nat.c, printcmd.c: Ditto.
* remote-mips.c, remote-vx.c, rs6000-nat.c: Ditto.
* rs6000-tdep.c, scm-exp.c, sh-tdep.c, sh64-tdep.c: Ditto.
* solib.c, somread.c, source.c, sparc-tdep.c: Ditto.
* stabsread.c, stack.c, standalone.c, symfile.c: Ditto.
* symmisc.c, symtab.c, top.c, tracepoint.c: Ditto.
* typeprint.c, utils.c, valarith.c, valops.c: Ditto.
* values.c, vax-tdep.c, xcoffread.c: Ditto.
2003-09-14 16:32:14 +00:00
|
|
|
int i;
|
1999-04-16 01:35:26 +00:00
|
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|
unsigned int offset = U_REGS_OFFSET;
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|
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int scratch;
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|
|
|
|
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if (regno >= 0)
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|
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{
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|
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if (CANNOT_STORE_REGISTER (regno))
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|
return;
|
|
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regaddr = register_addr (regno, offset);
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|
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errno = 0;
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|
|
|
if (regno == PCOQ_HEAD_REGNUM || regno == PCOQ_TAIL_REGNUM)
|
1999-07-07 20:19:36 +00:00
|
|
|
{
|
2003-09-17 Andrew Cagney <cagney@redhat.com>
* gdbarch.sh (DEPRECATED_REGISTER_BYTE): Rename REGISTER_BYTE.
* gdbarch.h, gdbarch.c: Regenerate.
* arm-linux-tdep.c, core-sol2.c, cris-tdep.c: Update.
* d10v-tdep.c, frame.c: Update.
* hppa-tdep.c, hppab-nat.c, hppah-nat.c, hppam3-nat.c: Update.
* hpux-thread.c, i386gnu-nat.c, ia64-aix-nat.c: Update.
* ia64-linux-nat.c, irix5-nat.c, lynx-nat.c, m68knbsd-nat.c: Update.
* mcore-tdep.c, mips-linux-tdep.c, mips-tdep.c: Update.
* mipsv4-nat.c, mn10300-tdep.c, ns32k-tdep.c: Update.
* ns32knbsd-nat.c, ppc-bdm.c, regcache.c, remote-sds.c: Update.
* remote-vx68.c, remote-vxmips.c, remote-vxsparc.c: Update.
* remote.c, rs6000-tdep.c, s390-tdep.c, sh64-tdep.c: Update.
* sparc-nat.c, sparc-tdep.c, sun3-nat.c, v850-tdep.c: Update.
* v850ice.c, vax-tdep.c, xstormy16-tdep.c: Update.
* config/m68k/tm-cisco.h, config/m68k/tm-delta68.h: Update.
* config/pa/nm-hppah.h: Update.
2003-09-17 Andrew Cagney <cagney@redhat.com>
* mi/mi-main.c: Rename REGISTER_BYTE to DEPRECATED_REGISTER_BYTE.
2003-09-17 14:24:31 +00:00
|
|
|
scratch = *(int *) &deprecated_registers[DEPRECATED_REGISTER_BYTE (regno)] | 0x3;
|
2001-05-04 04:15:33 +00:00
|
|
|
ptrace (PT_WUREGS, PIDGET (inferior_ptid), (PTRACE_ARG3_TYPE) regaddr,
|
1999-07-07 20:19:36 +00:00
|
|
|
scratch);
|
|
|
|
if (errno != 0)
|
|
|
|
{
|
1999-04-16 01:35:26 +00:00
|
|
|
/* Error, even if attached. Failing to write these two
|
1999-07-07 20:19:36 +00:00
|
|
|
registers is pretty serious. */
|
|
|
|
sprintf (buf, "writing register number %d", regno);
|
|
|
|
perror_with_name (buf);
|
|
|
|
}
|
|
|
|
}
|
1999-04-16 01:35:26 +00:00
|
|
|
else
|
2003-10-02 Andrew Cagney <cagney@redhat.com>
* gdbarch.sh (DEPRECATED_REGISTER_RAW_SIZE): Rename
REGISTER_RAW_SIZE.
* gdbarch.h, gdbarch.c: Re-generate.
* aix-thread.c, alpha-tdep.h, arm-tdep.c, core-sol2.c: Update.
* cris-tdep.c, dve3900-rom.c, findvar.c, frame.c: Update.
* hppa-tdep.c, hppab-nat.c, hppah-nat.c, hppam3-nat.c: Update.
* hpux-thread.c, i386gnu-nat.c, ia64-aix-nat.c: Update.
* ia64-linux-nat.c, ia64-tdep.c, infcmd.c, infptrace.c: Update.
* infrun.c, irix5-nat.c, lynx-nat.c, mips-linux-tdep.c: Update.
* mips-nat.c, mips-tdep.c, mipsv4-nat.c, mn10300-tdep.c: Update.
* monitor.c, ns32k-tdep.c, ppc-linux-nat.c, regcache.c: Update.
* remote-e7000.c, remote-mips.c, remote-sim.c: Update.
* remote-vxmips.c, remote-vxsparc.c, remote.c: Update.
* rom68k-rom.c, rs6000-nat.c, rs6000-tdep.c, s390-tdep.c: Update.
* sh64-tdep.c, sparc-nat.c, sparc-tdep.c, stack.c: Update.
* target.c, tracepoint.c, v850-tdep.c, v850ice.c, valops.c: Update.
* vax-tdep.c, vax-tdep.h, x86-64-tdep.c, xstormy16-tdep.c: Update.
* config/m68k/tm-delta68.h, config/m68k/tm-vx68.h: Update.
* config/sparc/tm-sparc.h, config/sparc/tm-sparclynx.h: Update.
2003-10-02 Andrew Cagney <cagney@redhat.com>
* gdbint.texinfo (Target Architecture Definition): Rename
REGISTER_RAW_SIZE to DEPRECATED_REGISTER_RAW_SIZE.
* gdb.texinfo (Packets, Stop Reply Packets): Ditto.
* gdbint.texinfo (Target Architecture Definition): Rename
2003-10-02 Andrew Cagney <cagney@redhat.com>
* mi-main.c: Rename REGISTER_RAW_SIZE to
DEPRECATED_REGISTER_RAW_SIZE.
2003-10-02 20:28:31 +00:00
|
|
|
for (i = 0; i < DEPRECATED_REGISTER_RAW_SIZE (regno); i += sizeof (int))
|
1999-04-16 01:35:26 +00:00
|
|
|
{
|
|
|
|
errno = 0;
|
2001-05-04 04:15:33 +00:00
|
|
|
ptrace (PT_WUREGS, PIDGET (inferior_ptid),
|
|
|
|
(PTRACE_ARG3_TYPE) regaddr,
|
2003-09-17 Andrew Cagney <cagney@redhat.com>
* gdbarch.sh (DEPRECATED_REGISTER_BYTE): Rename REGISTER_BYTE.
* gdbarch.h, gdbarch.c: Regenerate.
* arm-linux-tdep.c, core-sol2.c, cris-tdep.c: Update.
* d10v-tdep.c, frame.c: Update.
* hppa-tdep.c, hppab-nat.c, hppah-nat.c, hppam3-nat.c: Update.
* hpux-thread.c, i386gnu-nat.c, ia64-aix-nat.c: Update.
* ia64-linux-nat.c, irix5-nat.c, lynx-nat.c, m68knbsd-nat.c: Update.
* mcore-tdep.c, mips-linux-tdep.c, mips-tdep.c: Update.
* mipsv4-nat.c, mn10300-tdep.c, ns32k-tdep.c: Update.
* ns32knbsd-nat.c, ppc-bdm.c, regcache.c, remote-sds.c: Update.
* remote-vx68.c, remote-vxmips.c, remote-vxsparc.c: Update.
* remote.c, rs6000-tdep.c, s390-tdep.c, sh64-tdep.c: Update.
* sparc-nat.c, sparc-tdep.c, sun3-nat.c, v850-tdep.c: Update.
* v850ice.c, vax-tdep.c, xstormy16-tdep.c: Update.
* config/m68k/tm-cisco.h, config/m68k/tm-delta68.h: Update.
* config/pa/nm-hppah.h: Update.
2003-09-17 Andrew Cagney <cagney@redhat.com>
* mi/mi-main.c: Rename REGISTER_BYTE to DEPRECATED_REGISTER_BYTE.
2003-09-17 14:24:31 +00:00
|
|
|
*(int *) &deprecated_registers[DEPRECATED_REGISTER_BYTE (regno) + i]);
|
1999-04-16 01:35:26 +00:00
|
|
|
if (errno != 0)
|
|
|
|
{
|
|
|
|
/* Warning, not error, in case we are attached; sometimes the
|
|
|
|
kernel doesn't let us at the registers. */
|
|
|
|
char *err = safe_strerror (errno);
|
|
|
|
char *msg = alloca (strlen (err) + 128);
|
|
|
|
sprintf (msg, "writing register %s: %s",
|
|
|
|
REGISTER_NAME (regno), err);
|
|
|
|
warning (msg);
|
|
|
|
return;
|
|
|
|
}
|
1999-07-07 20:19:36 +00:00
|
|
|
regaddr += sizeof (int);
|
1999-04-16 01:35:26 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
for (regno = 0; regno < NUM_REGS; regno++)
|
|
|
|
store_inferior_registers (regno);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* PT_PROT is specific to the PA BSD kernel and isn't documented
|
|
|
|
anywhere (except here).
|
|
|
|
|
|
|
|
PT_PROT allows one to enable/disable the data memory break bit
|
|
|
|
for pages of memory in an inferior process. This bit is used
|
|
|
|
to cause "Data memory break traps" to occur when the appropriate
|
|
|
|
page is written to.
|
|
|
|
|
|
|
|
The arguments are as follows:
|
|
|
|
|
1999-07-07 20:19:36 +00:00
|
|
|
PT_PROT -- The ptrace action to perform.
|
|
|
|
|
|
|
|
INFERIOR_PID -- The pid of the process who's page table entries
|
|
|
|
will be modified.
|
1999-04-16 01:35:26 +00:00
|
|
|
|
1999-07-07 20:19:36 +00:00
|
|
|
PT_ARGS -- The *address* of a 3 word block of memory which has
|
|
|
|
additional information:
|
1999-04-16 01:35:26 +00:00
|
|
|
|
1999-07-07 20:19:36 +00:00
|
|
|
word 0 -- The start address to watch. This should be a page-aligned
|
|
|
|
address.
|
1999-04-16 01:35:26 +00:00
|
|
|
|
1999-07-07 20:19:36 +00:00
|
|
|
word 1 -- The ending address to watch. Again, this should be a
|
|
|
|
page aligned address.
|
1999-04-16 01:35:26 +00:00
|
|
|
|
1999-07-07 20:19:36 +00:00
|
|
|
word 2 -- Nonzero to enable the data memory break bit on the
|
|
|
|
given address range or zero to disable the data memory break
|
|
|
|
bit on the given address range.
|
1999-04-16 01:35:26 +00:00
|
|
|
|
1999-07-07 20:19:36 +00:00
|
|
|
This call may fail if the given addresses are not valid in the inferior
|
|
|
|
process. This most often happens when restarting a program which
|
2000-10-27 15:02:42 +00:00
|
|
|
has watchpoints inserted on heap or stack memory. */
|
1999-04-16 01:35:26 +00:00
|
|
|
|
|
|
|
#define PT_PROT 21
|
|
|
|
|
|
|
|
int
|
2000-07-30 01:48:28 +00:00
|
|
|
hppa_set_watchpoint (int addr, int len, int flag)
|
1999-04-16 01:35:26 +00:00
|
|
|
{
|
|
|
|
int pt_args[3];
|
|
|
|
pt_args[0] = addr;
|
|
|
|
pt_args[1] = addr + len;
|
|
|
|
pt_args[2] = flag;
|
|
|
|
|
|
|
|
/* Mask off the lower 12 bits since we want to work on a page basis. */
|
1999-07-07 20:19:36 +00:00
|
|
|
pt_args[0] >>= 12;
|
|
|
|
pt_args[1] >>= 12;
|
1999-04-16 01:35:26 +00:00
|
|
|
|
|
|
|
/* Rounding adjustments. */
|
1999-07-07 20:19:36 +00:00
|
|
|
pt_args[1] -= pt_args[0];
|
|
|
|
pt_args[1]++;
|
1999-04-16 01:35:26 +00:00
|
|
|
|
|
|
|
/* Put the lower 12 bits back as zero. */
|
1999-07-07 20:19:36 +00:00
|
|
|
pt_args[0] <<= 12;
|
|
|
|
pt_args[1] <<= 12;
|
1999-04-16 01:35:26 +00:00
|
|
|
|
|
|
|
/* Do it. */
|
2001-05-04 04:15:33 +00:00
|
|
|
return ptrace (PT_PROT, PIDGET (inferior_ptid), (PTRACE_ARG3_TYPE) pt_args, 0);
|
1999-04-16 01:35:26 +00:00
|
|
|
}
|