2007-09-12 H.J. Lu <hongjiu.lu@intel.com>

[deliverable/binutils-gdb.git] / gdb / sparc64nbsd-nat.c

diff --git a/gdb/sparc64nbsd-nat.c b/gdb/sparc64nbsd-nat.c
index 739c7249b3f87127d972ae79ca4f83b77f4f7551..246e922ea8050f1b36bcbfac6211a88021fa759a 100644 (file)
--- a/gdb/sparc64nbsd-nat.c
+++ b/gdb/sparc64nbsd-nat.c
@@ -1,12 +1,12 @@
 /* Native-dependent code for NetBSD/sparc64.
 
-   Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+   Copyright (C) 2003, 2004, 2006, 2007 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
+   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,
@@ -15,11 +15,10 @@
    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., 51 Franklin Street, Fifth Floor,
-   Boston, MA 02110-1301, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include "defs.h"
+#include "gdbcore.h"
 #include "regcache.h"
 #include "target.h"
 
@@ -136,6 +135,7 @@ sparc64nbsd_fpregset_supplies_p (int regnum)
 static int
 sparc64nbsd_supply_pcb (struct regcache *regcache, struct pcb *pcb)
 {
+  u_int64_t state;
   int regnum;
 
   /* The following is true for NetBSD 1.6.2:
@@ -148,9 +148,19 @@ sparc64nbsd_supply_pcb (struct regcache *regcache, struct pcb *pcb)
   if (pcb->pcb_sp == 0)
     return 0;
 
+  /* If the program counter is zero, this is probably a core dump, and
+     we can get %pc from the stack.  */
+  if (pcb->pcb_pc == 0)
+      read_memory(pcb->pcb_sp + BIAS - 176 + (11 * 8), 
+                 (gdb_byte *)&pcb->pcb_pc, sizeof pcb->pcb_pc);
+
+
   regcache_raw_supply (regcache, SPARC_SP_REGNUM, &pcb->pcb_sp);
   regcache_raw_supply (regcache, SPARC64_PC_REGNUM, &pcb->pcb_pc);
 
+  state = pcb->pcb_pstate << 8 | pcb->pcb_cwp;
+  regcache_raw_supply (regcache, SPARC64_STATE_REGNUM, &state);
+
   sparc_supply_rwindow (regcache, pcb->pcb_sp, -1);
 
   return 1;