1 /* Native-dependent code for NetBSD/sparc.
3 Copyright (C) 2002, 2003, 2004, 2007, 2008, 2009
4 Free Software Foundation, Inc.
6 This file is part of GDB.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>. */
25 #include "sparc-tdep.h"
26 #include "sparc-nat.h"
28 /* Support for debugging kernel virtual memory images. */
30 #include <sys/types.h>
31 #include <machine/pcb.h>
36 sparc32nbsd_supply_pcb (struct regcache
*regcache
, struct pcb
*pcb
)
38 /* The following is true for NetBSD 1.6.2:
40 The pcb contains %sp, %pc, %psr and %wim. From this information
41 we reconstruct the register state as it would look when we just
42 returned from cpu_switch(). */
44 /* The stack pointer shouldn't be zero. */
48 regcache_raw_supply (regcache
, SPARC_SP_REGNUM
, &pcb
->pcb_sp
);
49 regcache_raw_supply (regcache
, SPARC_O7_REGNUM
, &pcb
->pcb_pc
);
50 regcache_raw_supply (regcache
, SPARC32_PSR_REGNUM
, &pcb
->pcb_psr
);
51 regcache_raw_supply (regcache
, SPARC32_WIM_REGNUM
, &pcb
->pcb_wim
);
52 regcache_raw_supply (regcache
, SPARC32_PC_REGNUM
, &pcb
->pcb_pc
);
54 sparc_supply_rwindow (regcache
, pcb
->pcb_sp
, -1);
60 /* Provide a prototype to silence -Wmissing-prototypes. */
61 void _initialize_sparcnbsd_nat (void);
64 _initialize_sparcnbsd_nat (void)
66 sparc_gregset
= &sparc32nbsd_gregset
;
68 /* We've got nothing to add to the generic SPARC target. */
69 add_target (sparc_target ());
71 /* Support debugging kernel virtual memory images. */
72 bsd_kvm_add_target (sparc32nbsd_supply_pcb
);
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