* remote-fileio.c (remote_fileio_return_success): Take a gdb_byte

[deliverable/binutils-gdb.git] / gdb / ppc-sysv-tdep.c

diff --git a/gdb/ppc-sysv-tdep.c b/gdb/ppc-sysv-tdep.c
index 4285077e4362dd2835ac28ffdf5e8337c8112615..048bb707f320f75675eeb7eeb6dc4654f8754618 100644 (file)
--- a/gdb/ppc-sysv-tdep.c
+++ b/gdb/ppc-sysv-tdep.c
@@ -1,7 +1,7 @@
 /* Target-dependent code for PowerPC systems using the SVR4 ABI
    for GDB, the GNU debugger.
 
-   Copyright 2000, 2001, 2002, 2003, 2005
+   Copyright (C) 2000, 2001, 2002, 2003, 2005
    Free Software Foundation, Inc.
 
    This file is part of GDB.
@@ -18,8 +18,8 @@
 
    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.  */
+   Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301, USA.  */
 
 #include "defs.h"
 #include "gdbcore.h"
@@ -906,11 +906,11 @@ ppc64_sysv_abi_return_value (struct gdbarch *gdbarch, struct type *valtype,
        }
       return RETURN_VALUE_REGISTER_CONVENTION;
     }
+  /* Integers in r3.  */
   if ((TYPE_CODE (valtype) == TYPE_CODE_INT
        || TYPE_CODE (valtype) == TYPE_CODE_ENUM)
       && TYPE_LENGTH (valtype) <= 8)
     {
-      /* Integers in r3.  */
       if (writebuf != NULL)
        {
          /* Be careful to sign extend the value.  */
@@ -938,24 +938,37 @@ ppc64_sysv_abi_return_value (struct gdbarch *gdbarch, struct type *valtype,
        regcache_cooked_read (regcache, tdep->ppc_gp0_regnum + 3, readbuf);
       return RETURN_VALUE_REGISTER_CONVENTION;
     }
-  if (TYPE_CODE (valtype) == TYPE_CODE_ARRAY
-      && TYPE_LENGTH (valtype) <= 8
-      && TYPE_CODE (TYPE_TARGET_TYPE (valtype)) == TYPE_CODE_INT
-      && TYPE_LENGTH (TYPE_TARGET_TYPE (valtype)) == 1)
+  /* Array type has more than one use.  */
+  if (TYPE_CODE (valtype) == TYPE_CODE_ARRAY)
     {
       /* Small character arrays are returned, right justified, in r3.  */
-      int offset = (register_size (gdbarch, tdep->ppc_gp0_regnum + 3)
-                   - TYPE_LENGTH (valtype));
-      if (writebuf != NULL)
-       regcache_cooked_write_part (regcache, tdep->ppc_gp0_regnum + 3,
-                                   offset, TYPE_LENGTH (valtype), writebuf);
-      if (readbuf != NULL)
-       regcache_cooked_read_part (regcache, tdep->ppc_gp0_regnum + 3,
-                                  offset, TYPE_LENGTH (valtype), readbuf);
-      return RETURN_VALUE_REGISTER_CONVENTION;
+      if (TYPE_LENGTH (valtype) <= 8
+        && TYPE_CODE (TYPE_TARGET_TYPE (valtype)) == TYPE_CODE_INT
+        && TYPE_LENGTH (TYPE_TARGET_TYPE (valtype)) == 1)
+        {
+          int offset = (register_size (gdbarch, tdep->ppc_gp0_regnum + 3)
+                       - TYPE_LENGTH (valtype));
+          if (writebuf != NULL)
+           regcache_cooked_write_part (regcache, tdep->ppc_gp0_regnum + 3,
+                                      offset, TYPE_LENGTH (valtype), writebuf);
+          if (readbuf != NULL)
+           regcache_cooked_read_part (regcache, tdep->ppc_gp0_regnum + 3,
+                                      offset, TYPE_LENGTH (valtype), readbuf);
+          return RETURN_VALUE_REGISTER_CONVENTION;
+       }
+      /* A VMX vector is returned in v2.  */
+      if (TYPE_CODE (valtype) == TYPE_CODE_ARRAY
+        && TYPE_VECTOR (valtype) && tdep->ppc_vr0_regnum >= 0)
+        {
+          if (readbuf)
+            regcache_cooked_read (regcache, tdep->ppc_vr0_regnum + 2, readbuf);
+          if (writebuf)
+            regcache_cooked_write (regcache, tdep->ppc_vr0_regnum + 2, writebuf);
+          return RETURN_VALUE_REGISTER_CONVENTION;
+        }
     }
   /* Big floating point values get stored in adjacent floating
-     point registers.  */
+     point registers, starting with F1.  */
   if (TYPE_CODE (valtype) == TYPE_CODE_FLT
       && (TYPE_LENGTH (valtype) == 16 || TYPE_LENGTH (valtype) == 32))
     {