2007-08-29 Randolph Chung <tausq@debian.org>

[thirdparty/binutils-gdb.git] / gdb / hppa-tdep.c

diff --git a/gdb/hppa-tdep.c b/gdb/hppa-tdep.c
index f562e5fa059c3138234cbbbe19b5f535fb215494..10ac7ecde152e67dbd80e6160b80c64bbc4f8a6f 100644 (file)
--- a/gdb/hppa-tdep.c
+++ b/gdb/hppa-tdep.c
@@ -2673,6 +2673,16 @@ hppa32_cannot_store_register (int regnum)
           || (regnum > HPPA_IPSW_REGNUM && regnum < HPPA_FP4_REGNUM));
 }
 
+static int
+hppa32_cannot_fetch_register (int regnum)
+{
+  /* cr26 and cr27 are readable (but not writable) from userspace.  */
+  if (regnum == HPPA_CR26_REGNUM || regnum == HPPA_CR27_REGNUM)
+    return 0;
+  else
+    return hppa32_cannot_store_register (regnum);
+}
+
 static int
 hppa64_cannot_store_register (int regnum)
 {
@@ -2682,6 +2692,16 @@ hppa64_cannot_store_register (int regnum)
           || (regnum > HPPA_IPSW_REGNUM && regnum < HPPA64_FP4_REGNUM));
 }
 
+static int
+hppa64_cannot_fetch_register (int regnum)
+{
+  /* cr26 and cr27 are readable (but not writable) from userspace.  */
+  if (regnum == HPPA_CR26_REGNUM || regnum == HPPA_CR27_REGNUM)
+    return 0;
+  else
+    return hppa64_cannot_store_register (regnum);
+}
+
 static CORE_ADDR
 hppa_smash_text_address (CORE_ADDR addr)
 {
@@ -3074,7 +3094,7 @@ hppa_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
        set_gdbarch_cannot_store_register (gdbarch,
                                           hppa32_cannot_store_register);
        set_gdbarch_cannot_fetch_register (gdbarch,
-                                          hppa32_cannot_store_register);
+                                          hppa32_cannot_fetch_register);
         break;
       case 8:
         set_gdbarch_num_regs (gdbarch, hppa64_num_regs);
@@ -3085,7 +3105,7 @@ hppa_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
        set_gdbarch_cannot_store_register (gdbarch,
                                           hppa64_cannot_store_register);
        set_gdbarch_cannot_fetch_register (gdbarch,
-                                          hppa64_cannot_store_register);
+                                          hppa64_cannot_fetch_register);
         break;
       default:
         internal_error (__FILE__, __LINE__, _("Unsupported address size: %d"),