binutils-gdb/gdb/vaxbsd-nat.c

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/* Native-dependent code for modern VAX BSD's.
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Copyright 2004 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 "regcache.h"
#include "target.h"
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#include <sys/types.h>
#include <sys/ptrace.h>
#include <machine/reg.h>
#include "vax-tdep.h"
#include "inf-ptrace.h"
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/* Supply the general-purpose registers stored in GREGS to REGCACHE. */
static void
vaxbsd_supply_gregset (struct regcache *regcache, const void *gregs)
{
const char *regs = gregs;
int regnum;
for (regnum = 0; regnum < VAX_NUM_REGS; regnum++)
regcache_raw_supply (regcache, regnum, regs + regnum * 4);
}
/* Collect the general-purpose registers from REGCACHE and store them
in GREGS. */
static void
vaxbsd_collect_gregset (const struct regcache *regcache,
void *gregs, int regnum)
{
char *regs = gregs;
int i;
for (i = 0; i <= VAX_NUM_REGS; i++)
{
if (regnum == -1 || regnum == i)
regcache_raw_collect (regcache, i, regs + i * 4);
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}
}
/* Fetch register REGNUM from the inferior. If REGNUM is -1, do this
for all registers. */
static void
vaxbsd_fetch_inferior_registers (int regnum)
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{
struct reg regs;
if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
* alphabsd-nat.c (fetch_inferior_registers): (store_inferior_registers): Replace PTRACE_ARG3_TYPE with PTRACE_TYPE_ARG3. * amd64bsd-nat.c (fetch_inferior_registers) (store_inferior_registers): Replace PTRACE_ARG3_TYPE with PTRACE_TYPE_ARG3. * armnbsd-nat.c: Update copyright year. (fetch_register, fetch_regs, fetch_fp_register, fetch_fp_regs) (store_register, store_regs, store_fp_register, store_fp_regs): Replace PTRACE_ARG3_TYPE with PTRACE_TYPE_ARG3. * hppabsd-nat.c (fetch_inferior_registers) (store_inferior_registers): Replace PTRACE_ARG3_TYPE with PTRACE_TYPE_ARG3. * i386bsd-nat.c (fetch_inferior_registers) (store_inferior_registers, i386bsd_dr_set, i386bsd_dr_get_status): Replace PTRACE_ARG3_TYPE with PTRACE_TYPE_ARG3. * m68kbsd-nat.c (fetch_inferior_registers) (store_inferior_registers): Replace PTRACE_ARG3_TYPE with PTRACE_TYPE_ARG3. * m88kbsd-nat.c (fetch_inferior_registers) (store_inferior_registers): Replace PTRACE_ARG3_TYPE with PTRACE_TYPE_ARG3. * mipsnbsd-nat.c: Update copyright year. (fetch_inferior_registers, store_inferior_registers): Replace PTRACE_ARG3_TYPE with PTRACE_TYPE_ARG3. * ns32knbsd-nat.c: Update copyright year. (fetch_inferior_registers, store_inferior_registers): Replace PTRACE_ARG3_TYPE with PTRACE_TYPE_ARG3. * ppcnbsd-nat.c (fetch_inferior_registers): (store_inferior_registers): Replace PTRACE_ARG3_TYPE with PTRACE_TYPE_ARG3. * ppcobsd-nat.c (fetch_inferior_registers): (store_inferior_registers): Replace PTRACE_ARG3_TYPE with PTRACE_TYPE_ARG3. * shnbsd-nat.c: Update copyright year. (fetch_inferior_registers, store_inferior_registers): Replace PTRACE_ARG3_TYPE with PTRACE_TYPE_ARG3. * vaxbsd-nat.c (fetch_inferior_registers) (store_inferior_registers): Replace PTRACE_ARG3_TYPE with PTRACE_TYPE_ARG3.
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(PTRACE_TYPE_ARG3) &regs, 0) == -1)
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perror_with_name ("Couldn't get registers");
vaxbsd_supply_gregset (current_regcache, &regs);
}
/* Store register REGNUM back into the inferior. If REGNUM is -1, do
this for all registers. */
static void
vaxbsd_store_inferior_registers (int regnum)
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{
struct reg regs;
if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
* alphabsd-nat.c (fetch_inferior_registers): (store_inferior_registers): Replace PTRACE_ARG3_TYPE with PTRACE_TYPE_ARG3. * amd64bsd-nat.c (fetch_inferior_registers) (store_inferior_registers): Replace PTRACE_ARG3_TYPE with PTRACE_TYPE_ARG3. * armnbsd-nat.c: Update copyright year. (fetch_register, fetch_regs, fetch_fp_register, fetch_fp_regs) (store_register, store_regs, store_fp_register, store_fp_regs): Replace PTRACE_ARG3_TYPE with PTRACE_TYPE_ARG3. * hppabsd-nat.c (fetch_inferior_registers) (store_inferior_registers): Replace PTRACE_ARG3_TYPE with PTRACE_TYPE_ARG3. * i386bsd-nat.c (fetch_inferior_registers) (store_inferior_registers, i386bsd_dr_set, i386bsd_dr_get_status): Replace PTRACE_ARG3_TYPE with PTRACE_TYPE_ARG3. * m68kbsd-nat.c (fetch_inferior_registers) (store_inferior_registers): Replace PTRACE_ARG3_TYPE with PTRACE_TYPE_ARG3. * m88kbsd-nat.c (fetch_inferior_registers) (store_inferior_registers): Replace PTRACE_ARG3_TYPE with PTRACE_TYPE_ARG3. * mipsnbsd-nat.c: Update copyright year. (fetch_inferior_registers, store_inferior_registers): Replace PTRACE_ARG3_TYPE with PTRACE_TYPE_ARG3. * ns32knbsd-nat.c: Update copyright year. (fetch_inferior_registers, store_inferior_registers): Replace PTRACE_ARG3_TYPE with PTRACE_TYPE_ARG3. * ppcnbsd-nat.c (fetch_inferior_registers): (store_inferior_registers): Replace PTRACE_ARG3_TYPE with PTRACE_TYPE_ARG3. * ppcobsd-nat.c (fetch_inferior_registers): (store_inferior_registers): Replace PTRACE_ARG3_TYPE with PTRACE_TYPE_ARG3. * shnbsd-nat.c: Update copyright year. (fetch_inferior_registers, store_inferior_registers): Replace PTRACE_ARG3_TYPE with PTRACE_TYPE_ARG3. * vaxbsd-nat.c (fetch_inferior_registers) (store_inferior_registers): Replace PTRACE_ARG3_TYPE with PTRACE_TYPE_ARG3.
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(PTRACE_TYPE_ARG3) &regs, 0) == -1)
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perror_with_name ("Couldn't get registers");
vaxbsd_collect_gregset (current_regcache, &regs, regnum);
if (ptrace (PT_SETREGS, PIDGET (inferior_ptid),
* alphabsd-nat.c (fetch_inferior_registers): (store_inferior_registers): Replace PTRACE_ARG3_TYPE with PTRACE_TYPE_ARG3. * amd64bsd-nat.c (fetch_inferior_registers) (store_inferior_registers): Replace PTRACE_ARG3_TYPE with PTRACE_TYPE_ARG3. * armnbsd-nat.c: Update copyright year. (fetch_register, fetch_regs, fetch_fp_register, fetch_fp_regs) (store_register, store_regs, store_fp_register, store_fp_regs): Replace PTRACE_ARG3_TYPE with PTRACE_TYPE_ARG3. * hppabsd-nat.c (fetch_inferior_registers) (store_inferior_registers): Replace PTRACE_ARG3_TYPE with PTRACE_TYPE_ARG3. * i386bsd-nat.c (fetch_inferior_registers) (store_inferior_registers, i386bsd_dr_set, i386bsd_dr_get_status): Replace PTRACE_ARG3_TYPE with PTRACE_TYPE_ARG3. * m68kbsd-nat.c (fetch_inferior_registers) (store_inferior_registers): Replace PTRACE_ARG3_TYPE with PTRACE_TYPE_ARG3. * m88kbsd-nat.c (fetch_inferior_registers) (store_inferior_registers): Replace PTRACE_ARG3_TYPE with PTRACE_TYPE_ARG3. * mipsnbsd-nat.c: Update copyright year. (fetch_inferior_registers, store_inferior_registers): Replace PTRACE_ARG3_TYPE with PTRACE_TYPE_ARG3. * ns32knbsd-nat.c: Update copyright year. (fetch_inferior_registers, store_inferior_registers): Replace PTRACE_ARG3_TYPE with PTRACE_TYPE_ARG3. * ppcnbsd-nat.c (fetch_inferior_registers): (store_inferior_registers): Replace PTRACE_ARG3_TYPE with PTRACE_TYPE_ARG3. * ppcobsd-nat.c (fetch_inferior_registers): (store_inferior_registers): Replace PTRACE_ARG3_TYPE with PTRACE_TYPE_ARG3. * shnbsd-nat.c: Update copyright year. (fetch_inferior_registers, store_inferior_registers): Replace PTRACE_ARG3_TYPE with PTRACE_TYPE_ARG3. * vaxbsd-nat.c (fetch_inferior_registers) (store_inferior_registers): Replace PTRACE_ARG3_TYPE with PTRACE_TYPE_ARG3.
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(PTRACE_TYPE_ARG3) &regs, 0) == -1)
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perror_with_name ("Couldn't write registers");
}
/* Support for debugging kernel virtual memory images. */
#include <sys/types.h>
#include <machine/pcb.h>
#include "bsd-kvm.h"
static int
vaxbsd_supply_pcb (struct regcache *regcache, struct pcb *pcb)
{
int regnum;
/* The following is true for OpenBSD 3.5:
The pcb contains the register state at the context switch inside
cpu_switch(). */
/* The stack pointer shouldn't be zero. */
if (pcb->KSP == 0)
return 0;
for (regnum = VAX_R0_REGNUM; regnum < VAX_AP_REGNUM; regnum++)
regcache_raw_supply (regcache, regnum, &pcb->R[regnum - VAX_R0_REGNUM]);
regcache_raw_supply (regcache, VAX_AP_REGNUM, &pcb->AP);
regcache_raw_supply (regcache, VAX_FP_REGNUM, &pcb->FP);
regcache_raw_supply (regcache, VAX_SP_REGNUM, &pcb->KSP);
regcache_raw_supply (regcache, VAX_PC_REGNUM, &pcb->PC);
regcache_raw_supply (regcache, VAX_PS_REGNUM, &pcb->PSL);
return 1;
}
/* Provide a prototype to silence -Wmissing-prototypes. */
void _initialize_vaxbsd_nat (void);
void
_initialize_vaxbsd_nat (void)
{
struct target_ops *t;
t = inf_ptrace_target ();
t->to_fetch_registers = vaxbsd_fetch_inferior_registers;
t->to_store_registers = vaxbsd_store_inferior_registers;
add_target (t);
/* Support debugging kernel virtual memory images. */
bsd_kvm_add_target (vaxbsd_supply_pcb);
}