These files removed.

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

diff --git a/gdb/sparc64nbsd-nat.c b/gdb/sparc64nbsd-nat.c
index 91577039eb3814db876e5fc290e8d570d1b95051..a410dfdb02761c83b790a9af7e79b7792b66f9aa 100644 (file)
--- a/gdb/sparc64nbsd-nat.c
+++ b/gdb/sparc64nbsd-nat.c
@@ -1,12 +1,12 @@
 /* Native-dependent code for NetBSD/sparc64.
 
-   Copyright 2003, 2004 Free Software Foundation, Inc.
+   Copyright (C) 2003, 2004, 2006, 2007, 2008 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 +15,12 @@
    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.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include "defs.h"
+#include "gdbcore.h"
+#include "regcache.h"
+#include "target.h"
 
 #include "sparc64-tdep.h"
 #include "sparc-nat.h"
@@ -33,7 +34,7 @@ sparc64nbsd_supply_gregset (const struct sparc_gregset *gregset,
                            struct regcache *regcache,
                            int regnum, const void *gregs)
 {
-  int sparc32 = (gdbarch_ptr_bit (current_gdbarch) == 32);
+  int sparc32 = (gdbarch_ptr_bit (get_regcache_arch (regcache)) == 32);
 
   if (sparc32)
     sparc32_supply_gregset (&sparc32nbsd_gregset, regcache, regnum, gregs);
@@ -46,7 +47,7 @@ sparc64nbsd_collect_gregset (const struct sparc_gregset *gregset,
                             const struct regcache *regcache,
                             int regnum, void *gregs)
 {
-  int sparc32 = (gdbarch_ptr_bit (current_gdbarch) == 32);
+  int sparc32 = (gdbarch_ptr_bit (get_regcache_arch (regcache)) == 32);
 
   if (sparc32)
     sparc32_collect_gregset (&sparc32nbsd_gregset, regcache, regnum, gregs);
@@ -58,7 +59,7 @@ static void
 sparc64nbsd_supply_fpregset (struct regcache *regcache,
                             int regnum, const void *fpregs)
 {
-  int sparc32 = (gdbarch_ptr_bit (current_gdbarch) == 32);
+  int sparc32 = (gdbarch_ptr_bit (get_regcache_arch (regcache)) == 32);
 
   if (sparc32)
     sparc32_supply_fpregset (regcache, regnum, fpregs);
@@ -70,7 +71,7 @@ static void
 sparc64nbsd_collect_fpregset (const struct regcache *regcache,
                              int regnum, void *fpregs)
 {
-  int sparc32 = (gdbarch_ptr_bit (current_gdbarch) == 32);
+  int sparc32 = (gdbarch_ptr_bit (get_regcache_arch (regcache)) == 32);
 
   if (sparc32)
     sparc32_collect_fpregset (regcache, regnum, fpregs);
@@ -122,13 +123,55 @@ sparc64nbsd_fpregset_supplies_p (int regnum)
 
   return 0;
 }
+\f
+
+/* Support for debugging kernel virtual memory images.  */
+
+#include <sys/types.h>
+#include <machine/pcb.h>
+
+#include "bsd-kvm.h"
+
+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:
+
+     The pcb contains %sp and %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;
+
+  /* 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;
+}
 
 \f
 /* Provide a prototype to silence -Wmissing-prototypes.  */
-void _initialize_sparcnbsd_nat (void);
+void _initialize_sparc64nbsd_nat (void);
 
 void
-_initialize_sparcnbsd_nat (void)
+_initialize_sparc64nbsd_nat (void)
 {
   sparc_supply_gregset = sparc64nbsd_supply_gregset;
   sparc_collect_gregset = sparc64nbsd_collect_gregset;
@@ -136,4 +179,10 @@ _initialize_sparcnbsd_nat (void)
   sparc_collect_fpregset = sparc64nbsd_collect_fpregset;
   sparc_gregset_supplies_p = sparc64nbsd_gregset_supplies_p;
   sparc_fpregset_supplies_p = sparc64nbsd_fpregset_supplies_p;
+
+  /* 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 (sparc64nbsd_supply_pcb);
 }