MIPS/Linux support

1 files changed, 58 insertions, 0 deletions

diff --git a/gdb/mips-linux-nat.c b/gdb/mips-linux-nat.c
new file mode 100644
index 0000000..3c2b159
--- /dev/null
+++ b/gdb/mips-linux-nat.c
@@ -0,0 +1,58 @@
+/* Native-dependent code for Linux/MIPS.
+   Copyright 2001 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"
+
+/* Pseudo registers can not be read.  ptrace does not provide a way to
+   read (or set) PS_REGNUM, and there's no point in reading or setting
+   ZERO_REGNUM.  We also can not set BADVADDR, CAUSE, or FCRIR via
+   ptrace().  */
+
+int
+mips_linux_cannot_fetch_register (int regno)
+{
+  if (regno >= FP_REGNUM)
+    return 1;
+  else if (regno == PS_REGNUM)
+    return 1;
+  else if (regno == ZERO_REGNUM)
+    return 1;
+  else
+    return 0;
+}
+
+int
+mips_linux_cannot_store_register (int regno)
+{
+  if (regno >= FP_REGNUM)
+    return 1;
+  else if (regno == PS_REGNUM)
+    return 1;
+  else if (regno == ZERO_REGNUM)
+    return 1;
+  else if (regno == BADVADDR_REGNUM)
+    return 1;
+  else if (regno == CAUSE_REGNUM)
+    return 1;
+  else if (regno == FCRIR_REGNUM)
+    return 1;
+  else
+    return 0;
+}