2004-03-22 Andrew Cagney <cagney@redhat.com>

[deliverable/binutils-gdb.git] / gdb / mn10300-tdep.c

diff --git a/gdb/mn10300-tdep.c b/gdb/mn10300-tdep.c
index 0cbff1d3448e45fbf62c90c2f425d8c8e1970f4d..5e3a5f82bd3dc3a8016464540e014e0de21d5c6e 100644 (file)
--- a/gdb/mn10300-tdep.c
+++ b/gdb/mn10300-tdep.c
@@ -1,7 +1,7 @@
 /* Target-dependent code for the Matsushita MN10300 for GDB, the GNU debugger.
 
-   Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 Free Software
-   Foundation, Inc.
+   Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004 Free
+   Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -28,7 +28,7 @@
 #include "bfd.h"
 #include "gdb_string.h"
 #include "gdbcore.h"
-#include "symfile.h"
+#include "objfiles.h"
 #include "regcache.h"
 #include "arch-utils.h"
 #include "gdb_assert.h"
@@ -130,13 +130,6 @@ mn10300_extract_return_value (struct type *type, char *regbuf, char *valbuf)
     memcpy (valbuf, regbuf + DEPRECATED_REGISTER_BYTE (0), TYPE_LENGTH (type));
 }
 
-static CORE_ADDR
-mn10300_extract_struct_value_address (char *regbuf)
-{
-  return extract_unsigned_integer (regbuf + DEPRECATED_REGISTER_BYTE (4),
-                                  REGISTER_RAW_SIZE (4));
-}
-
 static void
 mn10300_store_return_value (struct type *type, char *valbuf)
 {
@@ -152,25 +145,16 @@ static struct frame_info *analyze_dummy_frame (CORE_ADDR, CORE_ADDR);
 static struct frame_info *
 analyze_dummy_frame (CORE_ADDR pc, CORE_ADDR frame)
 {
-  static struct frame_info *dummy = NULL;
-  if (dummy == NULL)
-    {
-      struct frame_extra_info *extra_info;
-      CORE_ADDR *saved_regs;
-      dummy = deprecated_frame_xmalloc ();
-      saved_regs = xmalloc (SIZEOF_FRAME_SAVED_REGS);
-      deprecated_set_frame_saved_regs_hack (dummy, saved_regs);
-      extra_info = XMALLOC (struct frame_extra_info);
-      deprecated_set_frame_extra_info_hack (dummy, extra_info);
-    }
-  deprecated_set_frame_next_hack (dummy, NULL);
-  deprecated_set_frame_prev_hack (dummy, NULL);
+  struct cleanup *old_chain = make_cleanup (null_cleanup, NULL);
+  struct frame_info *dummy
+    = deprecated_frame_xmalloc_with_cleanup (SIZEOF_FRAME_SAVED_REGS,
+                                            sizeof (struct frame_extra_info));
   deprecated_update_frame_pc_hack (dummy, pc);
   deprecated_update_frame_base_hack (dummy, frame);
   get_frame_extra_info (dummy)->status = 0;
   get_frame_extra_info (dummy)->stack_size = 0;
-  memset (deprecated_get_frame_saved_regs (dummy), '\000', SIZEOF_FRAME_SAVED_REGS);
   mn10300_analyze_prologue (dummy, pc);
+  do_cleanups (old_chain);
   return dummy;
 }
 
@@ -749,7 +733,7 @@ mn10300_pop_frame_regular (struct frame_info *frame)
         ULONGEST value;
 
         value = read_memory_unsigned_integer (deprecated_get_frame_saved_regs (frame)[regnum],
-                                              REGISTER_RAW_SIZE (regnum));
+                                              DEPRECATED_REGISTER_RAW_SIZE (regnum));
         write_register (regnum, value);
       }
 
@@ -765,10 +749,13 @@ mn10300_pop_frame_regular (struct frame_info *frame)
 static void
 mn10300_pop_frame (void)
 {
-  /* This function checks for and handles generic dummy frames, and
-     calls back to our function for ordinary frames.  */
-  generic_pop_current_frame (mn10300_pop_frame_regular);
-
+  struct frame_info *frame = get_current_frame ();
+  if (get_frame_type (frame) == DUMMY_FRAME)
+    /* NOTE: cagney/2002-22-23: Does this ever occure?  Surely a dummy
+       frame will have already been poped by the "infrun.c" code.  */
+    deprecated_pop_dummy_frame ();
+  else
+    mn10300_pop_frame_regular (frame);
   /* Throw away any cached frame information.  */
   flush_cached_frames ();
 }
@@ -1039,8 +1026,8 @@ mn10300_print_register (const char *name, int regnum, int reg_width)
       int byte;
       if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
        {
-         for (byte = REGISTER_RAW_SIZE (regnum) - DEPRECATED_REGISTER_VIRTUAL_SIZE (regnum);
-              byte < REGISTER_RAW_SIZE (regnum);
+         for (byte = DEPRECATED_REGISTER_RAW_SIZE (regnum) - DEPRECATED_REGISTER_VIRTUAL_SIZE (regnum);
+              byte < DEPRECATED_REGISTER_RAW_SIZE (regnum);
               byte++)
            printf_filtered ("%02x", (unsigned char) raw_buffer[byte]);
        }
@@ -1182,8 +1169,6 @@ mn10300_gdbarch_init (struct gdbarch_info info,
 
   /* Breakpoints.  */
   set_gdbarch_breakpoint_from_pc (gdbarch, mn10300_breakpoint_from_pc);
-  set_gdbarch_function_start_offset (gdbarch, 0);
-  set_gdbarch_decr_pc_after_break (gdbarch, 0);
 
   /* Stack unwinding.  */
   set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
@@ -1193,20 +1178,16 @@ mn10300_gdbarch_init (struct gdbarch_info info,
   set_gdbarch_deprecated_frame_chain (gdbarch, mn10300_frame_chain);
   set_gdbarch_deprecated_frame_saved_pc (gdbarch, mn10300_frame_saved_pc);
   set_gdbarch_deprecated_extract_return_value (gdbarch, mn10300_extract_return_value);
-  set_gdbarch_deprecated_extract_struct_value_address
-    (gdbarch, mn10300_extract_struct_value_address);
   set_gdbarch_deprecated_store_return_value (gdbarch, mn10300_store_return_value);
   set_gdbarch_deprecated_store_struct_return (gdbarch, mn10300_store_struct_return);
   set_gdbarch_deprecated_pop_frame (gdbarch, mn10300_pop_frame);
   set_gdbarch_skip_prologue (gdbarch, mn10300_skip_prologue);
-  set_gdbarch_frame_args_skip (gdbarch, 0);
   /* That's right, we're using the stack pointer as our frame pointer.  */
   set_gdbarch_deprecated_target_read_fp (gdbarch, mn10300_read_fp);
 
   /* Calling functions in the inferior from GDB.  */
   set_gdbarch_deprecated_call_dummy_words (gdbarch, mn10300_call_dummy_words);
   set_gdbarch_deprecated_sizeof_call_dummy_words (gdbarch, sizeof (mn10300_call_dummy_words));
-  set_gdbarch_deprecated_pc_in_call_dummy (gdbarch, deprecated_pc_in_call_dummy_at_entry_point);
   set_gdbarch_deprecated_push_arguments (gdbarch, mn10300_push_arguments);
   set_gdbarch_deprecated_reg_struct_has_addr
     (gdbarch, mn10300_reg_struct_has_addr);
@@ -1228,6 +1209,5 @@ void
 _initialize_mn10300_tdep (void)
 {
 /*  printf("_initialize_mn10300_tdep\n"); */
-
-  register_gdbarch_init (bfd_arch_mn10300, mn10300_gdbarch_init);
+  gdbarch_register (bfd_arch_mn10300, mn10300_gdbarch_init, mn10300_dump_tdep);
 }