* dwarf2-frame.c (dwarf2_frame_cache): Handle retaddr_column

        not overlapping PC_REGNUM.

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index db2244b..121ba17 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,10 @@
 2003-06-01  Richard Henderson  <rth@redhat.com>
 
+        * dwarf2-frame.c (dwarf2_frame_cache): Handle retaddr_column
+        not overlapping PC_REGNUM.
+
+2003-06-01  Richard Henderson  <rth@redhat.com>
+
         * alpha-tdep.c (alpha_push_dummy_call): Transmography from
         alpha_push_arguments.  Don't dump argument register data to
         the target stack.  Fix float and 128-bit long double semantics.

diff --git a/gdb/dwarf2-frame.c b/gdb/dwarf2-frame.c
index 7694218..f406e64 100644 (file)
--- a/gdb/dwarf2-frame.c
+++ b/gdb/dwarf2-frame.c
@@ -550,9 +550,21 @@ dwarf2_frame_cache (struct frame_info *next_frame, void **this_cache)
        cache->reg[regnum] = fs->regs.reg[reg];
     }
 
-  /* Stored the location of the return addess.  */
-  if (fs->retaddr_column < fs->regs.num_regs)
+  /* Store the location of the return addess.  If the return address
+     column (adjusted) is not the same as gdb's PC_REGNUM, then this
+     implies a copy from the ra column register.  */
+  if (fs->retaddr_column < fs->regs.num_regs
+      && fs->regs.reg[fs->retaddr_column].how != REG_UNSAVED)
     cache->reg[PC_REGNUM] = fs->regs.reg[fs->retaddr_column];
+  else
+    {
+      reg = DWARF2_REG_TO_REGNUM (fs->retaddr_column);
+      if (reg != PC_REGNUM)
+       {
+         cache->reg[PC_REGNUM].loc.reg = reg;
+         cache->reg[PC_REGNUM].how = REG_SAVED_REG;
+       }
+    }
 
   do_cleanups (old_chain);