e2e0b3e57f
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.
108 lines
2.8 KiB
C
108 lines
2.8 KiB
C
/* Native-dependent code for VAX UNIXen (including older BSD's).
|
||
|
||
Copyright 2004, 2005 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. */
|
||
|
||
#include "defs.h"
|
||
#include "inferior.h"
|
||
|
||
#include "gdb_assert.h"
|
||
#include <sys/types.h>
|
||
#include <sys/dir.h>
|
||
#include <sys/user.h>
|
||
|
||
#ifdef HAVE_SYS_PTRACE_H
|
||
#include <sys/ptrace.h>
|
||
#endif
|
||
|
||
#ifndef PT_READ_U
|
||
#define PT_READ_U 3
|
||
#endif
|
||
|
||
#ifdef SYS_REG_H
|
||
/* UNIX 32V and derivatives (including 3BSD). */
|
||
#include <sys/reg.h>
|
||
#else
|
||
/* 4.2BSD and derivatives. */
|
||
#include <machine/reg.h>
|
||
#endif
|
||
|
||
#include "vax-tdep.h"
|
||
#include "inf-ptrace.h"
|
||
|
||
/* Address of the user structure. This is the the value for 32V; 3BSD
|
||
uses a different value, but hey, who's still using those systems? */
|
||
CORE_ADDR vax_kernel_u_addr = 0x80020000;
|
||
|
||
/* Location of the user's stored registers; usage is `u.u_ar0[XX]'.
|
||
For 4.2BSD and ULTRIX these are negative! See <machine/reg.h>. */
|
||
static int vax_register_index[] =
|
||
{
|
||
R0, R1, R2, R3, R4, R5,
|
||
R6, R7, R8, R9, R10, R11,
|
||
AP, FP, SP, PC, PS
|
||
};
|
||
|
||
CORE_ADDR
|
||
vax_register_u_addr (CORE_ADDR u_ar0, int regnum)
|
||
{
|
||
gdb_assert (regnum >= 0 && regnum < ARRAY_SIZE (vax_register_index));
|
||
|
||
/* Type is `int *u_ar0'. See <sys/user.h>. */
|
||
return u_ar0 + vax_register_index[regnum - VAX_R0_REGNUM] * 4;
|
||
}
|
||
|
||
static CORE_ADDR
|
||
vax_register_u_offset (int regnum)
|
||
{
|
||
size_t u_ar0_offset = offsetof (struct user, u_ar0);
|
||
CORE_ADDR u_ar0;
|
||
int pid;
|
||
|
||
errno = 0;
|
||
pid = PIDGET (inferior_ptid);
|
||
u_ar0 = ptrace (PT_READ_U, pid, u_ar0_offset, 0);
|
||
if (errno)
|
||
perror_with_name (_("Unable to determine location of registers"));
|
||
|
||
return vax_register_u_addr (u_ar0, regnum) - vax_kernel_u_addr;
|
||
}
|
||
|
||
|
||
#include <nlist.h>
|
||
|
||
#ifndef _PATH_UNIX
|
||
#define _PATH_UNIX "/vmunix"
|
||
#endif
|
||
|
||
/* Provide a prototype to silence -Wmissing-prototypes. */
|
||
void _initialize_vax_nat (void);
|
||
|
||
void
|
||
_initialize_vax_nat (void)
|
||
{
|
||
struct nlist names[2];
|
||
|
||
names[0].n_name = "_u";
|
||
names[1].n_name = NULL;
|
||
if (nlist (_PATH_UNIX, names) == 0)
|
||
vax_kernel_u_addr = names[0].n_value;
|
||
|
||
add_target (inf_ptrace_trad_target (vax_register_u_offset));
|
||
}
|