mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-18 06:43:36 +08:00
71 lines
2.1 KiB
C
71 lines
2.1 KiB
C
/* Native-dependent code for NetBSD/sparc.
|
|
|
|
Copyright (C) 2002-2020 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 3 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, see <http://www.gnu.org/licenses/>. */
|
|
|
|
#include "defs.h"
|
|
#include "regcache.h"
|
|
#include "target.h"
|
|
|
|
#include "sparc-tdep.h"
|
|
#include "sparc-nat.h"
|
|
|
|
/* Support for debugging kernel virtual memory images. */
|
|
|
|
#include <sys/types.h>
|
|
#include <machine/pcb.h>
|
|
|
|
#include "bsd-kvm.h"
|
|
|
|
static int
|
|
sparc32nbsd_supply_pcb (struct regcache *regcache, struct pcb *pcb)
|
|
{
|
|
/* The following is true for NetBSD 1.6.2:
|
|
|
|
The pcb contains %sp, %pc, %psr and %wim. From this information
|
|
we reconstruct the register state as it would look when we just
|
|
returned from cpu_switch(). */
|
|
|
|
/* The stack pointer shouldn't be zero. */
|
|
if (pcb->pcb_sp == 0)
|
|
return 0;
|
|
|
|
regcache->raw_supply (SPARC_SP_REGNUM, &pcb->pcb_sp);
|
|
regcache->raw_supply (SPARC_O7_REGNUM, &pcb->pcb_pc);
|
|
regcache->raw_supply (SPARC32_PSR_REGNUM, &pcb->pcb_psr);
|
|
regcache->raw_supply (SPARC32_WIM_REGNUM, &pcb->pcb_wim);
|
|
regcache->raw_supply (SPARC32_PC_REGNUM, &pcb->pcb_pc);
|
|
|
|
sparc_supply_rwindow (regcache, pcb->pcb_sp, -1);
|
|
|
|
return 1;
|
|
}
|
|
|
|
static sparc_target<inf_ptrace_target> the_sparc_nbsd_nat_target;
|
|
|
|
void
|
|
_initialize_sparcnbsd_nat (void)
|
|
{
|
|
sparc_gregmap = &sparc32nbsd_gregmap;
|
|
sparc_fpregmap = &sparc32_bsd_fpregmap;
|
|
|
|
add_inf_child_target (&sparc_nbsd_nat_target);
|
|
|
|
/* Support debugging kernel virtual memory images. */
|
|
bsd_kvm_add_target (sparc32nbsd_supply_pcb);
|
|
}
|