2004-08-06 19:14:44 +00:00
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/* Native-dependent code for VAX UNIXen (including older BSD's).
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2007-01-09 17:59:20 +00:00
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Copyright (C) 2004, 2005, 2007 Free Software Foundation, Inc.
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2004-08-06 19:14:44 +00:00
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This file is part of GDB.
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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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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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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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2005-12-17 22:34:03 +00:00
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Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA. */
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2004-08-06 19:14:44 +00:00
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#include "defs.h"
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#include "inferior.h"
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#include "gdb_assert.h"
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#include <sys/types.h>
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#include <sys/dir.h>
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#include <sys/user.h>
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#ifdef HAVE_SYS_PTRACE_H
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#include <sys/ptrace.h>
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#endif
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#ifndef PT_READ_U
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#define PT_READ_U 3
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#endif
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#ifdef SYS_REG_H
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/* UNIX 32V and derivatives (including 3BSD). */
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#include <sys/reg.h>
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#else
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/* 4.2BSD and derivatives. */
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#include <machine/reg.h>
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#endif
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#include "vax-tdep.h"
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2005-01-10 20:56:17 +00:00
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#include "inf-ptrace.h"
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2004-08-06 19:14:44 +00:00
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/* Address of the user structure. This is the the value for 32V; 3BSD
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uses a different value, but hey, who's still using those systems? */
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* core-aout.c: Delete file.
* Makefile.in (ALLDEPFILES): Remove core-aout.c.
(core-aout.o): Delete rule.
* gdbcore.h (kernel_u_addr, KERNEL_U_ADDR): Remove.
* config/alpha/nm-linux.h (U_REGS_OFFSET): Remove.
* arm-linux-nat.c (arm_linux_kernel_u_size): Remove.
* config/arm/nm-linux.h (U_REGS_OFFSET, KERNEL_U_SIZE,
KERNEL_U_ADDR): Remove.
* i386-linux-nat.c (register_u_addr, kernel_u_size): Remove.
(cannot_fetch_register, cannot_store_register): Remove.
(fetch_register): Inline cannot_fetch_register and register_addr.
(store_register): Inline cannot_store_register and register_addr.
* config/i386/linux.mh (NATDEPFILES): Remove core-aout.o.
* config/i386/nm-linux.h (KERNEL_U_SIZE, KERNEL_U_ADDR,
REGISTER_U_ADDR, CANNOT_FETCH_REGISTER, CANNOT_STORE_REGISTER):
Remove.
* m68klinux-nat.c (m68k_linux_register_u_addr, kernel_u_size): Remove.
(fetch_register): Inline register_addr.
(store_register): Inline register_addr.
* config/m68k/linux.mh (NATDEPFILES): Remove core-aout.o.
* config/m68k/nm-linux.h (KERNEL_U_SIZE, KERNEL_U_ADDR,
U_REGS_OFFSET, REGISTER_U_ADDR): Remove.
* config/mips/nm-irix5.h (REGISTER_U_ADDR): Remove.
* config/mips/nm-linux.h (KERNEL_U_SIZE, U_REGS_OFFSET,
REGISTER_U_ADDR): Remove.
* hppa-linux-nat.c (register_addr): Rename to ...
(hppa_linux_register_addr): ... this. Make static.
(fetch_register, store_register): Adapt callers.
* config/pa/nm-linux.h (U_REGS_OFFSET): Remove.
* ppc-linux-nat.c (kernel_u_size): Remove.
* config/powerpc/nm-linux.h (KERNEL_U_SIZE, KERNEL_U_ADDR): Remove.
* vax-nat.c (vax_kernel_u_addr, vax_register_u_addr): Make static.
* config/vax/vax.mh (NATDEPFILES): Remove core-aout.o.
(NAT_FILE): Remove.
* config/vax/nm-vax.h: Delete file.
2007-04-25 22:10:09 +00:00
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static CORE_ADDR vax_kernel_u_addr = 0x80020000;
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2004-08-06 19:14:44 +00:00
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/* Location of the user's stored registers; usage is `u.u_ar0[XX]'.
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For 4.2BSD and ULTRIX these are negative! See <machine/reg.h>. */
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static int vax_register_index[] =
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{
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R0, R1, R2, R3, R4, R5,
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R6, R7, R8, R9, R10, R11,
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AP, FP, SP, PC, PS
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};
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* core-aout.c: Delete file.
* Makefile.in (ALLDEPFILES): Remove core-aout.c.
(core-aout.o): Delete rule.
* gdbcore.h (kernel_u_addr, KERNEL_U_ADDR): Remove.
* config/alpha/nm-linux.h (U_REGS_OFFSET): Remove.
* arm-linux-nat.c (arm_linux_kernel_u_size): Remove.
* config/arm/nm-linux.h (U_REGS_OFFSET, KERNEL_U_SIZE,
KERNEL_U_ADDR): Remove.
* i386-linux-nat.c (register_u_addr, kernel_u_size): Remove.
(cannot_fetch_register, cannot_store_register): Remove.
(fetch_register): Inline cannot_fetch_register and register_addr.
(store_register): Inline cannot_store_register and register_addr.
* config/i386/linux.mh (NATDEPFILES): Remove core-aout.o.
* config/i386/nm-linux.h (KERNEL_U_SIZE, KERNEL_U_ADDR,
REGISTER_U_ADDR, CANNOT_FETCH_REGISTER, CANNOT_STORE_REGISTER):
Remove.
* m68klinux-nat.c (m68k_linux_register_u_addr, kernel_u_size): Remove.
(fetch_register): Inline register_addr.
(store_register): Inline register_addr.
* config/m68k/linux.mh (NATDEPFILES): Remove core-aout.o.
* config/m68k/nm-linux.h (KERNEL_U_SIZE, KERNEL_U_ADDR,
U_REGS_OFFSET, REGISTER_U_ADDR): Remove.
* config/mips/nm-irix5.h (REGISTER_U_ADDR): Remove.
* config/mips/nm-linux.h (KERNEL_U_SIZE, U_REGS_OFFSET,
REGISTER_U_ADDR): Remove.
* hppa-linux-nat.c (register_addr): Rename to ...
(hppa_linux_register_addr): ... this. Make static.
(fetch_register, store_register): Adapt callers.
* config/pa/nm-linux.h (U_REGS_OFFSET): Remove.
* ppc-linux-nat.c (kernel_u_size): Remove.
* config/powerpc/nm-linux.h (KERNEL_U_SIZE, KERNEL_U_ADDR): Remove.
* vax-nat.c (vax_kernel_u_addr, vax_register_u_addr): Make static.
* config/vax/vax.mh (NATDEPFILES): Remove core-aout.o.
(NAT_FILE): Remove.
* config/vax/nm-vax.h: Delete file.
2007-04-25 22:10:09 +00:00
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static CORE_ADDR
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2004-08-06 19:14:44 +00:00
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vax_register_u_addr (CORE_ADDR u_ar0, int regnum)
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{
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gdb_assert (regnum >= 0 && regnum < ARRAY_SIZE (vax_register_index));
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/* Type is `int *u_ar0'. See <sys/user.h>. */
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return u_ar0 + vax_register_index[regnum - VAX_R0_REGNUM] * 4;
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}
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2005-01-10 20:56:17 +00:00
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static CORE_ADDR
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2004-08-06 19:14:44 +00:00
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vax_register_u_offset (int regnum)
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{
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size_t u_ar0_offset = offsetof (struct user, u_ar0);
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CORE_ADDR u_ar0;
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int pid;
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errno = 0;
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pid = PIDGET (inferior_ptid);
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u_ar0 = ptrace (PT_READ_U, pid, u_ar0_offset, 0);
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if (errno)
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2005-02-11 Andrew Cagney <cagney@gnu.org>
Mark up error_no_arg, query, perror_with_name, complaint, and
internal_error.
* breakpoint.c, cp-abi.c, cp-namespace.c, cp-support.c: Update.
* cris-tdep.c, dbxread.c, dictionary.c, dsrec.c: Update.
* dummy-frame.c, dve3900-rom.c, dwarf2-frame.c, dwarf2expr.c: Update.
* dwarf2read.c, dwarfread.c, elfread.c, event-loop.c: Update.
* exceptions.c, exec.c, f-lang.c, findvar.c, fork-child.c: Update.
* frame-unwind.c, frame.c, frv-linux-tdep.c, frv-tdep.c: Update.
* gdb_assert.h, gdbarch.c, gdbtypes.c, gnu-nat.c: Update.
* go32-nat.c, hppa-tdep.c, hppabsd-nat.c, hpread.c: Update.
* i386-linux-nat.c, i386-nat.c, i386-tdep.c, i386bsd-nat.c: Update.
* i386fbsd-nat.c, inf-ptrace.c, inf-ttrace.c, infcall.c: Update.
* infcmd.c, inflow.c, infptrace.c, infrun.c, inftarg.c: Update.
* interps.c, language.c, linespec.c, linux-nat.c: Update.
* m32r-linux-nat.c, m68k-tdep.c, m68kbsd-nat.c: Update.
* m68klinux-nat.c, m88kbsd-nat.c, macroexp.c, macroscope.c: Update.
* macrotab.c, maint.c, mdebugread.c, memattr.c: Update.
* mips-linux-tdep.c, mips-tdep.c, mips64obsd-nat.c: Update.
* mipsnbsd-nat.c, mn10300-tdep.c, monitor.c, nto-procfs.c: Update.
* objc-lang.c, objfiles.c, objfiles.h, ocd.c, osabi.c: Update.
* parse.c, ppc-bdm.c, ppc-linux-nat.c, ppc-sysv-tdep.c: Update.
* ppcnbsd-nat.c, ppcobsd-nat.c, printcmd.c, procfs.c: Update.
* regcache.c, reggroups.c, remote-e7000.c, remote-mips.c: Update.
* remote-rdp.c, remote-sds.c, remote-sim.c, remote-st.c: Update.
* remote-utils.c, remote.c, rs6000-nat.c, rs6000-tdep.c: Update.
* s390-nat.c, s390-tdep.c, sentinel-frame.c, serial.c: Update.
* sh-tdep.c, sh3-rom.c, sh64-tdep.c, shnbsd-nat.c: Update.
* solib-aix5.c, solib-svr4.c, solib.c, source.c: Update.
* sparc-nat.c, stabsread.c, stack.c, symfile.c, symtab.c: Update.
* symtab.h, target.c, tracepoint.c, ui-file.c, ui-out.c: Update.
* utils.c, valops.c, valprint.c, vax-nat.c, vaxbsd-nat.c: Update.
* win32-nat.c, xcoffread.c, xstormy16-tdep.c: Update.
* cli/cli-cmds.c, cli/cli-logging.c, cli/cli-script.c: Update.
* cli/cli-setshow.c, mi/mi-cmd-break.c, mi/mi-cmds.c: Update.
* mi/mi-console.c, mi/mi-getopt.c, mi/mi-out.c: Update.
* tui/tui-file.c, tui/tui-interp.c: Update.
2005-02-11 18:13:55 +00:00
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perror_with_name (_("Unable to determine location of registers"));
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2004-08-06 19:14:44 +00:00
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return vax_register_u_addr (u_ar0, regnum) - vax_kernel_u_addr;
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}
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#include <nlist.h>
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#ifndef _PATH_UNIX
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#define _PATH_UNIX "/vmunix"
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#endif
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/* Provide a prototype to silence -Wmissing-prototypes. */
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void _initialize_vax_nat (void);
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void
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_initialize_vax_nat (void)
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{
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struct nlist names[2];
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names[0].n_name = "_u";
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names[1].n_name = NULL;
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if (nlist (_PATH_UNIX, names) == 0)
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vax_kernel_u_addr = names[0].n_value;
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2005-01-10 20:56:17 +00:00
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add_target (inf_ptrace_trad_target (vax_register_u_offset));
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2004-08-06 19:14:44 +00:00
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}
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