* inferior.h (read_sp): Remove prototype.

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

diff --git a/gdb/ppc-sysv-tdep.c b/gdb/ppc-sysv-tdep.c
index ea3b1c74c1f8ae9e9a383b9546fd19d3ba1363ba..51f9c0a06baf3b4158a6a4e1d660c6eb9f3cb012 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, 2007
    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"
@@ -51,10 +51,12 @@ ppc_sysv_abi_push_dummy_call (struct gdbarch *gdbarch, struct value *function,
                              int struct_return, CORE_ADDR struct_addr)
 {
   struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
-  const CORE_ADDR saved_sp = read_sp ();
+  ULONGEST saved_sp;
   int argspace = 0;            /* 0 is an initial wrong guess.  */
   int write_pass;
 
+  regcache_cooked_read_unsigned (regcache, SP_REGNUM, &saved_sp);
+
   /* Go through the argument list twice.
 
      Pass 1: Figure out how much new stack space is required for
@@ -132,19 +134,8 @@ ppc_sysv_abi_push_dummy_call (struct gdbarch *gdbarch, struct value *function,
                  if (write_pass)
                    {
                      char memval[8];
-                     struct type *memtype;
-                     switch (TARGET_BYTE_ORDER)
-                       {
-                       case BFD_ENDIAN_BIG:
-                         memtype = builtin_type_ieee_double_big;
-                         break;
-                       case BFD_ENDIAN_LITTLE:
-                         memtype = builtin_type_ieee_double_little;
-                         break;
-                       default:
-                         internal_error (__FILE__, __LINE__, _("bad switch"));
-                       }
-                     convert_typed_floating (val, type, memval, memtype);
+                     convert_typed_floating (val, type, memval,
+                                             builtin_type_ieee_double);
                      write_memory (sp + argoffset, val, len);
                    }
                  argoffset += 8;
@@ -589,10 +580,7 @@ ppc64_sysv_abi_push_dummy_call (struct gdbarch *gdbarch, struct value *function,
 {
   CORE_ADDR func_addr = find_function_addr (function, NULL);
   struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
-  /* By this stage in the proceedings, SP has been decremented by "red
-     zone size" + "struct return size".  Fetch the stack-pointer from
-     before this and use that as the BACK_CHAIN.  */
-  const CORE_ADDR back_chain = read_sp ();
+  ULONGEST back_chain;
   /* See for-loop comment below.  */
   int write_pass;
   /* Size of the Altivec's vector parameter region, the final value is
@@ -610,6 +598,11 @@ ppc64_sysv_abi_push_dummy_call (struct gdbarch *gdbarch, struct value *function,
      the possible values of tdep->wordsize.  */
   gdb_assert (tdep->wordsize == 8);
 
+  /* By this stage in the proceedings, SP has been decremented by "red
+     zone size" + "struct return size".  Fetch the stack-pointer from
+     before this and use that as the BACK_CHAIN.  */
+  regcache_cooked_read_unsigned (regcache, SP_REGNUM, &back_chain);
+
   /* Go through the argument list twice.
 
      Pass 1: Compute the function call's stack space and register