1 files changed, 126 insertions, 0 deletions
diff --git a/gdb/sparcbsd-nat.c b/gdb/sparcbsd-nat.c
new file mode 100644
index 0000000..8ab9537
--- /dev/null
+++ b/gdb/sparcbsd-nat.c
@@ -0,0 +1,126 @@
+/* Native-dependent code for SPARC BSD's.
+
+   Copyright 2002, 2003 Free Software Foundation, Inc.
+   Based on code 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"
+
+/* FIXME: Should be changed to sparc-tdep.h when the old code is gone.  */
+#include "sparc64-tdep.h"
+#include "sparcbsd-nat.h"
+
+#include <sys/types.h>
+#include <sys/ptrace.h>
+#include <machine/reg.h>
+
+/* Functions translating between `struct reg' and `struct fpreg' and
+   GDB's register cache.  */
+void (*sparcbsd_supply_reg)(const char *, int);
+void (*sparcbsd_fill_reg)(char *, int);
+void (*sparcbsd_supply_fpreg)(const char *, int);
+void (*sparcbsd_fill_fpreg)(char *, int);
+
+/* Functions indication whether `struct reg' or `struct fpreg' provides
+   a certain register.  */
+int (*sparcbsd_reg_supplies_p)(int);
+int (*sparcbsd_fpreg_supplies_p)(int);
+
+void
+fetch_inferior_registers (int regnum)
+{
+  if (regnum == -1 || sparcbsd_reg_supplies_p (regnum))
+    {
+      struct reg regs;
+
+      if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
+		  (PTRACE_ARG3_TYPE) &regs, 0) == -1)
+        perror_with_name ("Couldn't get registers");
+
+      sparcbsd_supply_reg ((char *) &regs, regnum);
+      if (regnum != -1)
+	return;
+    }
+
+  if (regnum == -1 || sparcbsd_fpreg_supplies_p (regnum))
+    {
+      struct fpreg fpregs;
+
+      if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid),
+		  (PTRACE_ARG3_TYPE) &fpregs, 0) == -1)
+        perror_with_name ("Couldn't get floating-point registers");
+
+      sparcbsd_supply_fpreg ((char *) &fpregs, regnum);
+      if (regnum != -1)
+	return;
+    }
+}
+
+void
+store_inferior_registers (int regnum)
+{
+  if (regnum == -1 || sparcbsd_reg_supplies_p (regnum))
+    {
+      struct reg regs;
+
+      if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
+		  (PTRACE_ARG3_TYPE) &regs, 0) == -1)
+	perror_with_name ("Couldn't get registers");
+
+      sparcbsd_fill_reg ((char *) &regs, regnum);
+
+      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 (regnum == -1 || regnum == SPARC_SP_REGNUM
+	  || (regnum >= SPARC_L0_REGNUM && regnum <= SPARC_I7_REGNUM))
+	{
+	  ULONGEST sp;
+
+	  regcache_cooked_read_unsigned (current_regcache,
+					 SPARC_SP_REGNUM, &sp);
+	  sparc_fill_rwindow (sp, regnum);
+	}
+
+      if (regnum != -1)
+	return;
+    }
+
+  if (regnum == -1 || sparcbsd_fpreg_supplies_p (regnum))
+    {
+      struct fpreg fpregs;
+
+      if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid),
+		  (PTRACE_ARG3_TYPE) &fpregs, 0) == -1)
+	perror_with_name ("Couldn't get floating-point registers");
+
+      sparcbsd_fill_fpreg ((char *) &fpregs, regnum);
+
+      if (ptrace (PT_SETFPREGS, PIDGET (inferior_ptid),
+		  (PTRACE_ARG3_TYPE) &fpregs, 0) == -1)
+	perror_with_name ("Couldn't write floating-point registers");
+
+      if (regnum != -1)
+	return;
+    }
+}