old-cross-binutils/gdb/sparcnbsd-nat.c
David S. Miller db75c71770 Fix Sparc %fsr regset offset for BSD and Linux.
gdb/

	* sparc-tdep.h (struct sparc_fpregset): New data structure.
	(sparc32_sunos4_fpregset, sparc32_bsd_fpregset,
	sparc32_sol2_fpregset): Declare new globals.
	(sparc32_supply_fpregset, sparc32_collect_fpregset): Add new
	'fpregset' argument.
	* sparc64-tdep.h (sparc64_supply_fpregset,
	sparc64_collect_fpregset): Likewise.
	(sparc64_sol2_fpregset, sparc64_bsd_fpregset): Declare new
	globals.
	* sparc-nat.h (struct sparc_fpregset): Add forward declaration.
	(sparc_fpregset): Declare new global.
	(sparc_supply_fpregset, sparc_collect_fpregset): Add new
	'fpregset' argument.
	* sparc-linux-nat.c (supply_fpregset): Pass sparc_fpregset down
	into handler.
	(fill_fpregset): Likewise.
	(_initialize_sparc_linux_nat): Set sparc_fpregset to
	sparc32_bsd_fpregset.
	* sparc-linux-tdep.c (sparc32_linux_supply_core_fpregset): Pass
	sparc32_bsd_fpregset down into handler.
	(sparc32_linux_collect_core_fpregset): Likewise.
	* sparc-nat.c (sparc_fpregset): Define.
	(sparc_supply_fpregset): Add 'fpregset' argument.
	(sparc_collect_fpregset): Likewise.
	(sparc_fetch_inferior_registers): Pass sparc_fpregset down
	into fpregset handler.
	(sparc_store_inferior_registers): Likewise.
	(_initialize_sparc_nat): Set sparc_fpregset to
	sparc32_sunos4_fpregset if NULL.
	* sparc-sol2-nat.c (supply_gregset): Pass sparc_sol2_fpregset
	down into handler.
	(fill_fpregset): Likewise.
	* sparc-sol2-tdep.c (sparc32_sol2_fpregset): Define.
	* sparc-tdep.c (sparc32_supply_fpregset): Add fpregset arg and
	use it to compute offsets.
	(sparc32_collect_fpregset): Likewise.
	(sparc32_sunos4_fpregset, sparc32_bsd_fpregset): Define.
	* sparc64-linux-nat.c (supply_fpregset): Pass sparc64_bsd_fpregset
	down into handler.
	(fill_fpregset): Likewise.
	* sparc64-linux-tdep.c (sparc64_linux_supply_core_fpregset):
	Likewise.
	(sparc64_linux_collect_core_fpregset): Likewise.
	* sparc64-sol2-tdep.c (sparc64_sol2_fpregset): Define.
	* sparc64-tdep.c (sparc64_supply_fpregset): Add fpregset arg and
	use it to compute offsets.
	(sparc64_collect_fpregset): Likewise.
	(sparc64_bsd_fpregset): Define.
	* sparc64fbsd-tdep.c (sparc64fbsd_supply_fpregset): Padd
	sparc64_bsd_fpregset down into handler.
	(sparc64fbsd_collect_fpregset): Likewise.
	* sparc64nbsd-nat.c (sparc64nbsd_supply_fpregset): Add fpregset arg
	and pass sparc{32,64}_bsd_fpregset down into handler.
	(sparc64nbsd_collect_fpregset): Likewise.
	* sparc64nbsd-tdep.c (sparc64nbsd_supply_fpregset): Pass
	sparc64_bsd_fpregset down into handler.
	* sparc64obsd-tdep.c (sparc64obsd_supply_gregset): Likewise.
	* sparcnbsd-nat.c (_initialize_sparcnbsd_nat): Set sparc_fpregset
	to sparc32_bsd_fpregset.
	* sparcnbsd-tdep.c (sparc32nbsd_supply_gregset): Pass
	sparc32_bsd_fpregset down into sparc32_supply_fpregset.
	(sparc32nbsd_supply_fpregset): Likewise.
2012-11-23 20:30:23 +00:00

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/* Native-dependent code for NetBSD/sparc.
Copyright (C) 2002-2004, 2007-2012 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 (regcache, SPARC_SP_REGNUM, &pcb->pcb_sp);
regcache_raw_supply (regcache, SPARC_O7_REGNUM, &pcb->pcb_pc);
regcache_raw_supply (regcache, SPARC32_PSR_REGNUM, &pcb->pcb_psr);
regcache_raw_supply (regcache, SPARC32_WIM_REGNUM, &pcb->pcb_wim);
regcache_raw_supply (regcache, SPARC32_PC_REGNUM, &pcb->pcb_pc);
sparc_supply_rwindow (regcache, pcb->pcb_sp, -1);
return 1;
}
/* Provide a prototype to silence -Wmissing-prototypes. */
void _initialize_sparcnbsd_nat (void);
void
_initialize_sparcnbsd_nat (void)
{
sparc_gregset = &sparc32nbsd_gregset;
sparc_fpregset = &sparc32_bsd_fpregset;
/* We've got nothing to add to the generic SPARC target. */
add_target (sparc_target ());
/* Support debugging kernel virtual memory images. */
bsd_kvm_add_target (sparc32nbsd_supply_pcb);
}