binutils-gdb/gdb/sparc-linux-nat.c

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/* Native-dependent code for Linux/SPARC.
Copyright 2001 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 "regcache.h"
#include <sys/procfs.h>
/* Prototypes for supply_gregset etc. */
#include "gregset.h"
void
supply_gregset (elf_gregset_t *gregsetp)
{
elf_greg_t *regp = (elf_greg_t *) gregsetp;
int i;
for (i = G0_REGNUM; i <= I7_REGNUM; i++)
supply_register (i, (char *) (regp + (i - G0_REGNUM)));
supply_register (PS_REGNUM, (char *) (regp + 32));
supply_register (PC_REGNUM, (char *) (regp + 33));
supply_register (NPC_REGNUM, (char *) (regp + 34));
supply_register (Y_REGNUM, (char *) (regp + 35));
supply_register (WIM_REGNUM, (char *) (regp + 36));
supply_register (TBR_REGNUM, (char *) (regp + 37));
/* Fill inaccessible registers with zero. */
supply_register (CPS_REGNUM, NULL);
}
void
fill_gregset (elf_gregset_t *gregsetp, int regno)
{
elf_greg_t *regp = (elf_greg_t *) gregsetp;
int i;
for (i = G0_REGNUM; i <= I7_REGNUM; i++)
if (regno == -1 || regno == i)
regcache_collect (i, regp + (i - G0_REGNUM));
if (regno == -1 || regno == PS_REGNUM)
regcache_collect (PS_REGNUM, regp + 32);
if (regno == -1 || regno == PC_REGNUM)
regcache_collect (PC_REGNUM, regp + 33);
if (regno == -1 || regno == NPC_REGNUM)
regcache_collect (NPC_REGNUM, regp + 34);
if (regno == -1 || regno == Y_REGNUM)
regcache_collect (Y_REGNUM, regp + 35);
if (regno == -1 || regno == WIM_REGNUM)
regcache_collect (WIM_REGNUM, regp + 36);
if (regno == -1 || regno == TBR_REGNUM)
regcache_collect (TBR_REGNUM, regp + 37);
}
void
supply_fpregset (elf_fpregset_t *fpregsetp)
{
int i;
for (i = FP0_REGNUM; i < FP0_REGNUM + 32; i++)
supply_register (i, (char *) &fpregsetp->pr_fr.pr_regs[i - FP0_REGNUM]);
supply_register (FPS_REGNUM, (char *) &fpregsetp->pr_fsr);
}
void
fill_fpregset (elf_fpregset_t *fpregsetp, int regno)
{
int i;
for (i = FP0_REGNUM; i < FP0_REGNUM + 32; i++)
if (regno == -1 || regno == i)
regcache_collect (i, &fpregsetp->pr_fr.pr_regs[i - FP0_REGNUM]);
if (regno == -1 || regno == FPS_REGNUM)
regcache_collect (FPS_REGNUM, &fpregsetp->pr_fsr);
}