aboutsummaryrefslogtreecommitdiff
path: root/gdb/mipsnbsd-nat.c
diff options
context:
space:
mode:
Diffstat (limited to 'gdb/mipsnbsd-nat.c')
-rw-r--r--gdb/mipsnbsd-nat.c101
1 files changed, 101 insertions, 0 deletions
diff --git a/gdb/mipsnbsd-nat.c b/gdb/mipsnbsd-nat.c
new file mode 100644
index 0000000..16521f6
--- /dev/null
+++ b/gdb/mipsnbsd-nat.c
@@ -0,0 +1,101 @@
+/* Native-dependent code for MIPS systems running NetBSD.
+ Copyright 2000, 2001, 2002 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
+ (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 "mipsnbsd-tdep.h"
+
+#include <sys/types.h>
+#include <sys/ptrace.h>
+#include <machine/reg.h>
+
+/* Determine if PT_GETREGS fetches this register. */
+static int
+getregs_supplies (int regno)
+{
+ return ((regno) >= ZERO_REGNUM && (regno) <= PC_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");
+
+ mipsnbsd_supply_reg ((char *) &regs, regno);
+ if (regno != -1)
+ return;
+ }
+
+ if (regno == -1 || regno >= FP0_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 status");
+
+ mipsnbsd_supply_fpreg ((char *) &fpregs, regno);
+ }
+}
+
+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");
+
+ mipsnbsd_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 || regno >= FP0_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 status");
+
+ mipsnbsd_fill_fpreg ((char *) &fpregs, regno);
+
+ if (ptrace (PT_SETFPREGS, PIDGET (inferior_ptid),
+ (PTRACE_ARG3_TYPE) &fpregs, 0) == -1)
+ perror_with_name ("Couldn't write floating point status");
+ }
+}