/* Native support for the SGI Iris running IRIX version 5, for GDB.
- Copyright 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
- 1998, 1999, 2000, 2001, 2002, 2004 Free Software Foundation, Inc.
+ Copyright (C) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1998,
+ 1999, 2000, 2001, 2002, 2004, 2006, 2007 Free Software Foundation, Inc.
Contributed by Alessandro Forin(af@cs.cmu.edu) at CMU
and by Per Bothner(bothner@cs.wisc.edu) at U.Wisconsin.
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. */
+ Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA. */
#include "defs.h"
#include "inferior.h"
{
int regi;
static char zerobuf[32] = {0};
+ char fsrbuf[8];
/* FIXME, this is wrong for the N32 ABI which has 64 bit FP regs. */
regcache_raw_supply (current_regcache, FP0_REGNUM + regi,
(char *) &fpregsetp->fp_r.fp_regs[regi]);
+ /* We can't supply the FSR register directly to the regcache,
+ because there is a size issue: On one hand, fpregsetp->fp_csr
+ is 32bits long, while the regcache expects a 64bits long value.
+ So we use a buffer of the correct size and copy into it the register
+ value at the proper location. */
+ memset (fsrbuf, 0, 4);
+ memcpy (fsrbuf + 4, &fpregsetp->fp_csr, 4);
+
regcache_raw_supply (current_regcache,
mips_regnum (current_gdbarch)->fp_control_status,
- (char *) &fpregsetp->fp_csr);
+ fsrbuf);
/* FIXME: how can we supply FCRIR? SGI doesn't tell us. */
regcache_raw_supply (current_regcache,
}
}
- if ((regno == -1)
- || (regno == mips_regnum (current_gdbarch)->fp_control_status))
- regcache_raw_read (current_regcache,
- mips_regnum (current_gdbarch)->fp_control_status,
- &fpregsetp->fp_csr);
+ if (regno == -1
+ || regno == mips_regnum (current_gdbarch)->fp_control_status)
+ {
+ char fsrbuf[8];
+
+ /* We can't fill the FSR register directly from the regcache,
+ because there is a size issue: On one hand, fpregsetp->fp_csr
+ is 32bits long, while the regcache expects a 64bits long buffer.
+ So we use a buffer of the correct size and copy the register
+ value from that buffer. */
+ regcache_raw_read (current_regcache,
+ mips_regnum (current_gdbarch)->fp_control_status,
+ fsrbuf);
+
+ memcpy (&fpregsetp->fp_csr, fsrbuf + 4, 4);
+ }
}
int which, CORE_ADDR reg_addr)
{
char *srcp = core_reg_sect;
+ int regsize = mips_isa_regsize (current_gdbarch);
int regno;
- if (core_reg_size == deprecated_register_bytes ())
- {
- for (regno = 0; regno < NUM_REGS; regno++)
- {
- regcache_raw_write (current_regcache, regno, srcp);
- srcp += register_size (current_gdbarch, regno);
- }
- }
- else if (mips_isa_regsize (current_gdbarch) == 4 &&
- core_reg_size == (2 * mips_isa_regsize (current_gdbarch)) * NUM_REGS)
+ /* If regsize is 8, this is a N32 or N64 core file.
+ If regsize is 4, this is an O32 core file. */
+ if (core_reg_size != regsize * NUM_REGS)
{
- /* This is a core file from a N32 executable, 64 bits are saved
- for all registers. */
- for (regno = 0; regno < NUM_REGS; regno++)
- {
- if (regno >= FP0_REGNUM && regno < (FP0_REGNUM + 32))
- {
- regcache_raw_write (current_regcache, regno, srcp);
- }
- else
- {
- regcache_raw_write (current_regcache, regno, srcp + 4);
- }
- srcp += 8;
- }
+ warning (_("wrong size gregset struct in core file"));
+ return;
}
- else
+
+ for (regno = 0; regno < NUM_REGS; regno++)
{
- warning ("wrong size gregset struct in core file");
- return;
+ regcache_raw_write (current_regcache, regno, srcp);
+ srcp += regsize;
}
}