2002-10-02 Andrew Cagney <ac131313@redhat.com>

	* rs6000-tdep.c (skip_prologue): Bias alloca_reg by ppc_gp0_regnum.

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 041f2e6f9705776b527849c323df7c42da4e23ac..f210799b4bb56a90182cc39894ef0eccf69324ce 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,7 @@
+2002-10-02  Andrew Cagney  <ac131313@redhat.com>
+
+       * rs6000-tdep.c (skip_prologue): Bias alloca_reg by ppc_gp0_regnum.
+
 2002-10-02  Marko Mlinar <markom@opencores.org>
 
         * MAINTAINERS: Add myself to the Write After Approval list.

diff --git a/gdb/rs6000-tdep.c b/gdb/rs6000-tdep.c
index 57d3500a842c262b61af50966aa2eb3eb12ce2e4..152eb0e3a0cfc02d08968546c3369c8c4ea7fd76 100644 (file)
--- a/gdb/rs6000-tdep.c
+++ b/gdb/rs6000-tdep.c
@@ -465,6 +465,7 @@ skip_prologue (CORE_ADDR pc, CORE_ADDR lim_pc, struct rs6000_framedata *fdata)
   int prev_insn_was_prologue_insn = 1;
   int num_skip_non_prologue_insns = 0;
   const struct bfd_arch_info *arch_info = gdbarch_bfd_arch_info (current_gdbarch);
+  struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
   
   /* Attempt to find the end of the prologue when no limit is specified.
      Note that refine_prologue_limit() has been written so that it may
@@ -694,7 +695,7 @@ skip_prologue (CORE_ADDR pc, CORE_ADDR lim_pc, struct rs6000_framedata *fdata)
        {                       /* mr r31, r1 */
          fdata->frameless = 0;
          framep = 1;
-         fdata->alloca_reg = 31;
+         fdata->alloca_reg = (tdep->ppc_gp0_regnum + 31);
          continue;
 
          /* Another way to set up the frame pointer.  */
@@ -703,7 +704,8 @@ skip_prologue (CORE_ADDR pc, CORE_ADDR lim_pc, struct rs6000_framedata *fdata)
        {                       /* addi rX, r1, 0x0 */
          fdata->frameless = 0;
          framep = 1;
-         fdata->alloca_reg = (op & ~0x38010000) >> 21;
+         fdata->alloca_reg = (tdep->ppc_gp0_regnum
+                              + ((op & ~0x38010000) >> 21));
          continue;
        }
       /* AltiVec related instructions.  */