GDB (xrefs)
Loading...
Searching...
No Matches
sparc-netbsd-nat.c
Go to the documentation of this file.
1/* Native-dependent code for NetBSD/sparc.
2
3 Copyright (C) 2002-2023 Free Software Foundation, Inc.
4
5 This file is part of GDB.
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
19
20#include "defs.h"
21#include "regcache.h"
22#include "target.h"
23
24#include "sparc-tdep.h"
25#include "sparc-nat.h"
26
27/* Support for debugging kernel virtual memory images. */
28
29#include <sys/types.h>
30#include <machine/pcb.h>
31
32#include "bsd-kvm.h"
33
34static int
35sparc32nbsd_supply_pcb (struct regcache *regcache, struct pcb *pcb)
36{
37 /* The following is true for NetBSD 1.6.2:
38
39 The pcb contains %sp, %pc, %psr and %wim. From this information
40 we reconstruct the register state as it would look when we just
41 returned from cpu_switch(). */
42
43 /* The stack pointer shouldn't be zero. */
44 if (pcb->pcb_sp == 0)
45 return 0;
46
47 regcache->raw_supply (SPARC_SP_REGNUM, &pcb->pcb_sp);
48 regcache->raw_supply (SPARC_O7_REGNUM, &pcb->pcb_pc);
49 regcache->raw_supply (SPARC32_PSR_REGNUM, &pcb->pcb_psr);
50 regcache->raw_supply (SPARC32_WIM_REGNUM, &pcb->pcb_wim);
51 regcache->raw_supply (SPARC32_PC_REGNUM, &pcb->pcb_pc);
52
53 sparc_supply_rwindow (regcache, pcb->pcb_sp, -1);
54
55 return 1;
56}
57
59
61void
63{
66
67 add_inf_child_target (&sparc_nbsd_nat_target);
68
69 /* Support debugging kernel virtual memory images. */
71}
void bsd_kvm_add_target(int(*supply_pcb)(struct regcache *, struct pcb *))
Definition bsd-kvm.c:380
void raw_supply(int regnum, const void *buf) override
Definition regcache.c:1062
void add_inf_child_target(inf_child_target *target)
Definition inf-child.c:418
static int sparc32nbsd_supply_pcb(struct regcache *regcache, struct pcb *pcb)
void _initialize_sparcnbsd_nat()
static sparc_target< inf_ptrace_target > the_sparc_nbsd_nat_target
const struct sparc_gregmap sparc32nbsd_gregmap
void sparc_supply_rwindow(struct regcache *regcache, CORE_ADDR sp, int regnum)
const struct sparc_fpregmap sparc32_bsd_fpregmap
@ SPARC32_WIM_REGNUM
Definition sparc-tdep.h:153
@ SPARC32_PSR_REGNUM
Definition sparc-tdep.h:152
@ SPARC32_PC_REGNUM
Definition sparc-tdep.h:155
@ SPARC_O7_REGNUM
Definition sparc-tdep.h:119
@ SPARC_SP_REGNUM
Definition sparc-tdep.h:118