2012-12-14 Yufeng Zhang <yufeng.zhang@arm.com>

[deliverable/binutils-gdb.git] / gdb / rs6000-tdep.c

diff --git a/gdb/rs6000-tdep.c b/gdb/rs6000-tdep.c
index ca488c3a0f97e7ea7aea1fd8f5d3a5104025c76a..07b81bce685bb24aa1b09d2357972544b17149a8 100644 (file)
--- a/gdb/rs6000-tdep.c
+++ b/gdb/rs6000-tdep.c
@@ -1822,6 +1822,15 @@ skip_prologue (struct gdbarch *gdbarch, CORE_ADDR pc, CORE_ADDR lim_pc,
 
          /* Set up frame pointer */
        }
+      else if (op == 0x603d0000)       /* oril r29, r1, 0x0 */
+       {
+         fdata->frameless = 0;
+         framep = 1;
+         fdata->alloca_reg = (tdep->ppc_gp0_regnum + 29);
+         continue;
+
+         /* Another way to set up the frame pointer.  */
+       }
       else if (op == 0x603f0000        /* oril r31, r1, 0x0 */
               || op == 0x7c3f0b78)
        {                       /* mr r31, r1 */
@@ -2189,7 +2198,7 @@ rs6000_frame_align (struct gdbarch *gdbarch, CORE_ADDR addr)
 
 static int
 rs6000_in_solib_return_trampoline (struct gdbarch *gdbarch,
-                                  CORE_ADDR pc, char *name)
+                                  CORE_ADDR pc, const char *name)
 {
   return name && !strncmp (name, "@FIX", 4);
 }
@@ -3075,21 +3084,6 @@ find_variant_by_arch (enum bfd_architecture arch, unsigned long mach)
 static int
 gdb_print_insn_powerpc (bfd_vma memaddr, disassemble_info *info)
 {
-  if (!info->disassembler_options)
-    {
-      /* When debugging E500 binaries and disassembling code containing
-        E500-specific (SPE) instructions, one sometimes sees AltiVec
-        instructions instead.  The opcode spaces for SPE instructions
-        and AltiVec instructions overlap, and specifiying the "any" cpu
-        looks for AltiVec instructions first.  If we know we're
-        debugging an E500 binary, however, we can specify the "e500x2"
-        cpu and get much more sane disassembly output.  */
-      if (info->mach == bfd_mach_ppc_e500)
-       info->disassembler_options = "e500x2";
-      else
-       info->disassembler_options = "any";
-    }
-
   if (info->endian == BFD_ENDIAN_BIG)
     return print_insn_big_powerpc (memaddr, info);
   else
@@ -3543,7 +3537,6 @@ rs6000_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
   enum bfd_architecture arch;
   unsigned long mach;
   bfd abfd;
-  asection *sect;
   enum auto_boolean soft_float_flag = powerpc_soft_float_global;
   int soft_float;
   enum powerpc_vector_abi vector_abi = powerpc_vector_abi_global;