* Makefile.in (ALLDEPFILES): Add sparc64nbsd-nat.c,

sparcnbsd-nat.c, and sparcnbsd-tdep.c.
(sparc64nbsd-nat.o)
(sparcnbsd-nat.o)
(sparcnbsd-tdep.o): New dependency lists.
* NEWS: Note new UltraSPARC NetBSD native configuration.
* configure.host (sparc64-*-netbsd*): New host.
* configure.tgt (sparc-*-netbsdelf*)
(sparc-*-netbsd*): Set gdb_target to nbsd.
(sparc64-*-netbsd*): New target.
* sparc64nbsd-nat.c: New file.
* sparcnbsd-nat.c: New file.
* sparcnbsd-tdep.c: New file.
* sparcnbsd-tdep.h: New file.
* config/sparc/nbsd.mt: New file.
* config/sparc/nbsd64.mh: New file.
* config/sparc/nbsd64.mt: New file.
* config/sparc/nbsdaout.mh (NATDEPFILES): Remove corelow.o,
sparc-nat.o, and solib.o.  Add sparcnbsd-nat.o.
(HOST_IPC): Remove.
* config/sparc/nbsdaout.mt: Remove.
* config/sparc/nbsdelf.mh (NATDEPFILES): Remove corelow.o,
sparc-nat.o, and solib.o.  Add sparcnbsd-nat.o.
(HOST_IPC): Remove.
* config/sparc/nbsdelf.mt: Remove.
* config/sparc/nm-nbsd.h: Update copyright years.  Remove all
sparc-nat.c compatiblity defines.
* config/sparc/tm-nbsd.h: Update copyright years.  Include solib.h.
(GDB_MULTI_ARCH): Set to GDB_MULTI_ARCH_PARTIAL.
* config/sparc/tm-nbsd64.h: New file.
* config/sparc/tm-nbsdaout.h: Remove.
* config/sparc/xm-nbsd.h: Remove.

1 files changed, 207 insertions, 0 deletions

diff --git a/gdb/sparc64nbsd-nat.c b/gdb/sparc64nbsd-nat.c
new file mode 100644
index 0000000..a991d0e
--- /dev/null
+++ b/gdb/sparc64nbsd-nat.c
@@ -0,0 +1,207 @@
+/* Native-dependent code for UltraSPARC systems running NetBSD.
+   Copyright 2002 Free Software Foundation, Inc.
+   Contributed by Wasabi Systems, 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 "inferior.h"
+#include "regcache.h"
+
+#include "sparcnbsd-tdep.h"
+
+#include <sys/types.h>
+#include <sys/ptrace.h>
+#include <machine/reg.h>
+
+/* NOTE: We don't bother with any of the deferred_store nonsense; it
+   makes things a lot more complicated than they need to be.  */
+
+/* Determine if PT_GETREGS fetches this register.  */
+static int
+getregs_supplies (int regno)
+{
+  /* FIXME: PS_REGNUM for 32-bit code.  */
+  return (regno == TSTATE_REGNUM
+	  || regno == PC_REGNUM
+	  || regno == NPC_REGNUM
+	  || regno == Y_REGNUM
+	  || (regno >= G0_REGNUM && regno <= G7_REGNUM)
+	  || (regno >= O0_REGNUM && regno <= O7_REGNUM)
+	  /* stack regs (handled by sparcnbsd_supply_reg)  */
+	  || (regno >= L0_REGNUM && regno <= I7_REGNUM));
+}
+
+/* Determine if PT_GETFPREGS fetches this register.  */
+static int
+getfpregs_supplies (int regno)
+{
+  return ((regno >= FP0_REGNUM && regno <= (FP0_REGNUM + 47))
+	  || regno == FPS_REGNUM);
+}
+
+void
+fetch_inferior_registers (int regno)
+{
+  /* We don't use deferred stores.  */
+  if (deferred_stores)
+    internal_error (__FILE__, __LINE__,
+		    "fetch_inferior_registers: deferred stores pending");
+
+  if (regno == -1 || getregs_supplies (regno))
+    {
+      union {
+	struct reg32 regs32;
+	struct reg64 regs64;
+      } regs;
+
+      if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
+		  (PTRACE_ARG3_TYPE) &regs, 0) == -1)
+        perror_with_name ("Couldn't get registers");
+
+      if (gdbarch_ptr_bit (current_gdbarch) == 32)
+        sparcnbsd_supply_reg32 ((char *) &regs.regs32, regno);
+      else
+	sparcnbsd_supply_reg64 ((char *) &regs.regs64, regno);
+      if (regno != -1)
+	return;
+    }
+
+  if (regno == -1 || getfpregs_supplies (regno))
+    {
+      union {
+        struct fpreg32 fpregs32;
+	struct fpreg64 fpregs64;
+      } fpregs;
+
+      if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid),
+		  (PTRACE_ARG3_TYPE) &fpregs, 0) == -1)
+        perror_with_name ("Couldn't get floating point registers");
+
+      if (gdbarch_ptr_bit (current_gdbarch) == 32)
+        sparcnbsd_supply_fpreg32 ((char *) &fpregs.fpregs32, regno);
+      else
+        sparcnbsd_supply_fpreg64 ((char *) &fpregs.fpregs64, regno);
+      if (regno != -1)
+	return;
+    }
+}
+
+void
+store_inferior_registers (int regno)
+{
+  /* We don't use deferred stores.  */
+  if (deferred_stores)
+    internal_error (__FILE__, __LINE__,
+		    "store_inferior_registers: deferred stores pending");
+
+  if (regno == -1 || getregs_supplies (regno))
+    {
+      union {
+	struct reg32 regs32;
+	struct reg64 regs64;
+      } regs;
+
+      if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
+		  (PTRACE_ARG3_TYPE) &regs, 0) == -1)
+	perror_with_name ("Couldn't get registers");
+
+      if (gdbarch_ptr_bit (current_gdbarch) == 32)
+        sparcnbsd_fill_reg32 ((char *) &regs.regs32, regno);
+      else
+	sparcnbsd_fill_reg64 ((char *) &regs.regs64, regno);
+
+      if (ptrace (PT_SETREGS, PIDGET (inferior_ptid),
+		  (PTRACE_ARG3_TYPE) &regs, 0) == -1)
+	perror_with_name ("Couldn't write registers");
+
+      /* Deal with the stack regs.  */
+      if (regno == -1 || regno == SP_REGNUM
+	  || (regno >= L0_REGNUM && regno <= I7_REGNUM))
+	{
+	  CORE_ADDR sp = read_register (SP_REGNUM);
+	  int i;
+	  char buf[8];
+
+	  if (sp & 1)
+	    {
+	      /* Registers are 64-bit.  */
+	      sp += 2047;
+
+	      for (i = L0_REGNUM; i <= I7_REGNUM; i++)
+		{
+		  if (regno == -1 || regno == SP_REGNUM || regno == i)
+		    {
+		      regcache_collect (i, buf);
+		      target_write_memory (sp + ((i - L0_REGNUM) * 8),
+					   buf, sizeof (buf));
+		    }
+		}
+            }
+	  else
+	    {
+	      /* Registers are 32-bit.  Toss any sign-extension of the stack
+		 pointer.
+
+		 FIXME: We don't currently handle 32-bit code in a binary
+		 that indicated LP64.  Do we have to care about that?  */
+              if (gdbarch_ptr_bit (current_gdbarch) != 32)
+		internal_error
+		    (__FILE__, __LINE__,
+		    "store_inferior_registers: 32-bit code in 64-bit inferior");
+
+	      sp &= 0xffffffffUL;
+	      for (i = L0_REGNUM; i <= I7_REGNUM; i++)
+	        {
+	          if (regno == -1 || regno == SP_REGNUM || regno == i)
+		    {
+		      regcache_collect (i, buf);
+		      target_write_memory (sp + ((i - L0_REGNUM) * 4), buf, 4);
+		    }
+		}
+	    }
+	}
+
+      if (regno != -1)
+	return;
+    }
+
+  if (regno == -1 || getfpregs_supplies (regno))
+    {
+      union {
+	struct fpreg32 fpregs32;
+	struct fpreg64 fpregs64;
+      } fpregs;
+
+      if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid),
+		  (PTRACE_ARG3_TYPE) &fpregs, 0) == -1)
+	perror_with_name ("Couldn't get floating point registers");
+
+      if (gdbarch_ptr_bit (current_gdbarch) == 32)
+        sparcnbsd_fill_fpreg32 ((char *) &fpregs.fpregs32, regno);
+      else
+	sparcnbsd_fill_fpreg64 ((char *) &fpregs.fpregs64, regno);
+      
+      if (ptrace (PT_SETFPREGS, PIDGET (inferior_ptid),
+		  (PTRACE_ARG3_TYPE) &fpregs, 0) == -1)
+	perror_with_name ("Couldn't write floating point registers");
+
+      if (regno != -1)
+	return;
+    }
+}