1 files changed, 121 insertions, 0 deletions
diff --git a/contrib/gdb/gdb/ppcnbsd-nat.c b/contrib/gdb/gdb/ppcnbsd-nat.c
new file mode 100644
index 0000000..ce097d7
--- /dev/null
+++ b/contrib/gdb/gdb/ppcnbsd-nat.c
@@ -0,0 +1,121 @@
+/* Native-dependent code for PowerPC's running NetBSD, for GDB.
+   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 <sys/types.h>
+#include <sys/ptrace.h>
+#include <machine/reg.h>
+
+#include "defs.h"
+#include "inferior.h"
+
+#include "ppc-tdep.h"
+#include "ppcnbsd-tdep.h"
+
+/* Returns true if PT_GETREGS fetches this register.  */
+static int
+getregs_supplies (int regno)
+{
+  struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
+
+  return ((regno >= 0 && regno <= 31)
+          || regno == tdep->ppc_lr_regnum
+          || regno == tdep->ppc_cr_regnum
+          || regno == tdep->ppc_xer_regnum
+          || regno == tdep->ppc_ctr_regnum
+	  || regno == PC_REGNUM);
+}
+
+/* Like above, but for PT_GETFPREGS.  */
+static int
+getfpregs_supplies (int regno)
+{
+  struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
+
+  return ((regno >= FP0_REGNUM && regno <= FP0_REGNUM + 31)
+	  || regno == tdep->ppc_fpscr_regnum);
+}
+
+void
+fetch_inferior_registers (int regno)
+{
+  if (regno == -1 || getregs_supplies (regno))
+    {
+      struct reg regs;
+
+      if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
+		  (PTRACE_ARG3_TYPE) &regs, 0) == -1)
+        perror_with_name ("Couldn't get registers");
+
+      ppcnbsd_supply_reg ((char *) &regs, regno);
+      if (regno != -1)
+	return;
+    }
+
+  if (regno == -1 || getfpregs_supplies (regno))
+    {
+      struct fpreg fpregs;
+
+      if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid),
+		  (PTRACE_ARG3_TYPE) &fpregs, 0) == -1)
+	perror_with_name ("Couldn't get FP registers");
+
+      ppcnbsd_supply_fpreg ((char *) &fpregs, regno);
+      if (regno != -1)
+	return;
+    }
+}
+
+void
+store_inferior_registers (int regno)
+{
+  if (regno == -1 || getregs_supplies (regno))
+    {
+      struct reg regs;
+
+      if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
+		  (PTRACE_ARG3_TYPE) &regs, 0) == -1)
+	perror_with_name ("Couldn't get registers");
+
+      ppcnbsd_fill_reg ((char *) &regs, regno);
+
+      if (ptrace (PT_SETREGS, PIDGET (inferior_ptid),
+		  (PTRACE_ARG3_TYPE) &regs, 0) == -1)
+	perror_with_name ("Couldn't write registers");
+
+      if (regno != -1)
+	return;
+    }
+
+  if (regno == -1 || getfpregs_supplies (regno))
+    {
+      struct fpreg fpregs;
+
+      if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid),
+		  (PTRACE_ARG3_TYPE) &fpregs, 0) == -1)
+	perror_with_name ("Couldn't get FP registers");
+
+      ppcnbsd_fill_fpreg ((char *) &fpregs, regno);
+      
+      if (ptrace (PT_SETFPREGS, PIDGET (inferior_ptid),
+		  (PTRACE_ARG3_TYPE) &fpregs, 0) == -1)
+	perror_with_name ("Couldn't set FP registers");
+    }
+}