2004-09-29 Andrew Cagney <cagney@gnu.org>

[deliverable/binutils-gdb.git] / gdb / mips-linux-nat.c

diff --git a/gdb/mips-linux-nat.c b/gdb/mips-linux-nat.c
index 454520d35e74437d77b31faea70912a45929aeb5..f5071ad62e824372d3f9831f0e0eec666d440d2b 100644 (file)
--- a/gdb/mips-linux-nat.c
+++ b/gdb/mips-linux-nat.c
@@ -1,6 +1,6 @@
 /* Native-dependent code for GNU/Linux on MIPS processors.
 
-   Copyright 2001, 2002 Free Software Foundation, Inc.
+   Copyright 2001, 2002, 2003 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -20,6 +20,7 @@
    Boston, MA 02111-1307, USA.  */
 
 #include "defs.h"
+#include "mips-tdep.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
@@ -29,27 +30,35 @@
 int
 mips_linux_cannot_fetch_register (int regno)
 {
-  if (regno == PS_REGNUM)
-    return 1;
-  else if (regno == ZERO_REGNUM)
-    return 1;
-  else
+  if (regno > ZERO_REGNUM && regno < ZERO_REGNUM + 32)
+    return 0;
+  else if (regno >= mips_regnum (current_gdbarch)->fp0
+          && regno <= mips_regnum (current_gdbarch)->fp0 + 32)
+    return 0;
+  else if (regno == mips_regnum (current_gdbarch)->lo
+          || regno == mips_regnum (current_gdbarch)->hi
+          || regno == mips_regnum (current_gdbarch)->badvaddr
+          || regno == mips_regnum (current_gdbarch)->cause
+          || regno == mips_regnum (current_gdbarch)->pc
+          || regno == mips_regnum (current_gdbarch)->fp_control_status
+          || regno == mips_regnum (current_gdbarch)->fp_implementation_revision)
     return 0;
+  else
+    return 1;
 }
 
 int
 mips_linux_cannot_store_register (int regno)
 {
-  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
+  if (regno > ZERO_REGNUM && regno < ZERO_REGNUM + 32)
     return 0;
+  else if (regno >= FP0_REGNUM && regno <= FP0_REGNUM + 32)
+    return 0;
+  else if (regno == mips_regnum (current_gdbarch)->lo
+          || regno == mips_regnum (current_gdbarch)->hi
+          || regno == mips_regnum (current_gdbarch)->pc
+          || regno == mips_regnum (current_gdbarch)->fp_control_status)
+    return 0;
+  else
+    return 1;
 }