2007-06-06 Markus Deuling <deuling@de.ibm.com>
[platform/upstream/binutils.git] / gdb / gdbarch.c
index e822fa6..8e8b8e2 100644 (file)
@@ -2,8 +2,8 @@
 
 /* Dynamic architecture support for GDB, the GNU debugger.
 
-   Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004 Free
-   Software Foundation, Inc.
+   Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
+   Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -19,8 +19,8 @@
 
    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.  */
 
 /* This file was created with the aid of ``gdbarch.sh''.
 
@@ -39,7 +39,7 @@
 #include "arch-utils.h"
 
 #include "gdbcmd.h"
-#include "inferior.h" /* enum CALL_DUMMY_LOCATION et.al. */
+#include "inferior.h" 
 #include "symcat.h"
 
 #include "floatformat.h"
@@ -61,14 +61,21 @@ static void alloc_gdbarch_data (struct gdbarch *);
 #define GDBARCH_DEBUG 0
 #endif
 int gdbarch_debug = GDBARCH_DEBUG;
+static void
+show_gdbarch_debug (struct ui_file *file, int from_tty,
+                    struct cmd_list_element *c, const char *value)
+{
+  fprintf_filtered (file, _("Architecture debugging is %s.\n"), value);
+}
 
 static const char *
-pformat (const struct floatformat *format)
+pformat (const struct floatformat **format)
 {
   if (format == NULL)
     return "(null)";
   else
-    return  format->name;
+    /* Just print out one of them - this is only for diagnostics.  */
+    return format[0]->name;
 }
 
 
@@ -86,6 +93,7 @@ struct gdbarch
   const struct bfd_arch_info * bfd_arch_info;
   int byte_order;
   enum gdb_osabi osabi;
+  const struct target_desc * target_desc;
 
   /* target specific vector. */
   struct gdbarch_tdep *tdep;
@@ -129,18 +137,17 @@ struct gdbarch
   int long_bit;
   int long_long_bit;
   int float_bit;
-  const struct floatformat * float_format;
+  const struct floatformat ** float_format;
   int double_bit;
-  const struct floatformat * double_format;
+  const struct floatformat ** double_format;
   int long_double_bit;
-  const struct floatformat * long_double_format;
+  const struct floatformat ** long_double_format;
   int ptr_bit;
   int addr_bit;
   int bfd_vma_bit;
   int char_signed;
   gdbarch_read_pc_ftype *read_pc;
   gdbarch_write_pc_ftype *write_pc;
-  gdbarch_read_sp_ftype *read_sp;
   gdbarch_virtual_frame_pointer_ftype *virtual_frame_pointer;
   gdbarch_pseudo_register_read_ftype *pseudo_register_read;
   gdbarch_pseudo_register_write_ftype *pseudo_register_write;
@@ -157,11 +164,9 @@ struct gdbarch
   gdbarch_dwarf2_reg_to_regnum_ftype *dwarf2_reg_to_regnum;
   gdbarch_register_name_ftype *register_name;
   gdbarch_register_type_ftype *register_type;
-  gdbarch_deprecated_register_byte_ftype *deprecated_register_byte;
   gdbarch_unwind_dummy_id_ftype *unwind_dummy_id;
   int deprecated_fp_regnum;
   gdbarch_push_dummy_call_ftype *push_dummy_call;
-  gdbarch_deprecated_push_arguments_ftype *deprecated_push_arguments;
   int deprecated_register_size;
   int call_dummy_location;
   gdbarch_push_dummy_code_ftype *push_dummy_code;
@@ -177,15 +182,13 @@ struct gdbarch
   gdbarch_convert_register_p_ftype *convert_register_p;
   gdbarch_register_to_value_ftype *register_to_value;
   gdbarch_value_to_register_ftype *value_to_register;
+  gdbarch_value_from_register_ftype *value_from_register;
   gdbarch_pointer_to_address_ftype *pointer_to_address;
   gdbarch_address_to_pointer_ftype *address_to_pointer;
   gdbarch_integer_to_address_ftype *integer_to_address;
-  gdbarch_deprecated_store_struct_return_ftype *deprecated_store_struct_return;
   gdbarch_return_value_ftype *return_value;
   gdbarch_extract_return_value_ftype *extract_return_value;
   gdbarch_store_return_value_ftype *store_return_value;
-  gdbarch_deprecated_extract_return_value_ftype *deprecated_extract_return_value;
-  gdbarch_deprecated_store_return_value_ftype *deprecated_store_return_value;
   gdbarch_deprecated_use_struct_convention_ftype *deprecated_use_struct_convention;
   gdbarch_deprecated_extract_struct_value_address_ftype *deprecated_extract_struct_value_address;
   gdbarch_skip_prologue_ftype *skip_prologue;
@@ -196,11 +199,11 @@ struct gdbarch
   gdbarch_memory_remove_breakpoint_ftype *memory_remove_breakpoint;
   CORE_ADDR decr_pc_after_break;
   CORE_ADDR deprecated_function_start_offset;
-  gdbarch_remote_translate_xfer_address_ftype *remote_translate_xfer_address;
+  gdbarch_remote_register_number_ftype *remote_register_number;
+  gdbarch_fetch_tls_load_module_address_ftype *fetch_tls_load_module_address;
   CORE_ADDR frame_args_skip;
   gdbarch_unwind_pc_ftype *unwind_pc;
   gdbarch_unwind_sp_ftype *unwind_sp;
-  gdbarch_deprecated_saved_pc_after_call_ftype *deprecated_saved_pc_after_call;
   gdbarch_frame_num_args_ftype *frame_num_args;
   gdbarch_deprecated_stack_align_ftype *deprecated_stack_align;
   gdbarch_frame_align_ftype *frame_align;
@@ -215,7 +218,6 @@ struct gdbarch
   gdbarch_print_insn_ftype *print_insn;
   gdbarch_skip_trampoline_code_ftype *skip_trampoline_code;
   gdbarch_skip_solib_resolver_ftype *skip_solib_resolver;
-  gdbarch_in_solib_call_trampoline_ftype *in_solib_call_trampoline;
   gdbarch_in_solib_return_trampoline_ftype *in_solib_return_trampoline;
   gdbarch_in_function_epilogue_p_ftype *in_function_epilogue_p;
   gdbarch_construct_inferior_arguments_ftype *construct_inferior_arguments;
@@ -230,6 +232,10 @@ struct gdbarch
   gdbarch_register_reggroup_p_ftype *register_reggroup_p;
   gdbarch_fetch_pointer_argument_ftype *fetch_pointer_argument;
   gdbarch_regset_from_core_section_ftype *regset_from_core_section;
+  int vtable_function_descriptors;
+  int vbit_in_delta;
+  gdbarch_skip_permanent_breakpoint_ftype *skip_permanent_breakpoint;
+  gdbarch_overlay_update_ftype *overlay_update;
 };
 
 
@@ -246,6 +252,7 @@ struct gdbarch startup_gdbarch =
   &bfd_default_arch_struct,  /* bfd_arch_info */
   BFD_ENDIAN_BIG,  /* byte_order */
   GDB_OSABI_UNKNOWN,  /* osabi */
+  0,  /* target_desc */
   /* target specific vector and its dump routine */
   NULL, NULL,
   /*per-architecture data-pointers and swap regions */
@@ -267,7 +274,6 @@ struct gdbarch startup_gdbarch =
   1,  /* char_signed */
   0,  /* read_pc */
   0,  /* write_pc */
-  0,  /* read_sp */
   0,  /* virtual_frame_pointer */
   0,  /* pseudo_register_read */
   0,  /* pseudo_register_write */
@@ -284,11 +290,9 @@ struct gdbarch startup_gdbarch =
   0,  /* dwarf2_reg_to_regnum */
   0,  /* register_name */
   0,  /* register_type */
-  generic_register_byte,  /* deprecated_register_byte */
   0,  /* unwind_dummy_id */
   -1,  /* deprecated_fp_regnum */
   0,  /* push_dummy_call */
-  0,  /* deprecated_push_arguments */
   0,  /* deprecated_register_size */
   0,  /* call_dummy_location */
   0,  /* push_dummy_code */
@@ -304,15 +308,13 @@ struct gdbarch startup_gdbarch =
   0,  /* convert_register_p */
   0,  /* register_to_value */
   0,  /* value_to_register */
+  0,  /* value_from_register */
   0,  /* pointer_to_address */
   0,  /* address_to_pointer */
   0,  /* integer_to_address */
-  0,  /* deprecated_store_struct_return */
   0,  /* return_value */
   0,  /* extract_return_value */
   0,  /* store_return_value */
-  0,  /* deprecated_extract_return_value */
-  0,  /* deprecated_store_return_value */
   0,  /* deprecated_use_struct_convention */
   0,  /* deprecated_extract_struct_value_address */
   0,  /* skip_prologue */
@@ -323,11 +325,11 @@ struct gdbarch startup_gdbarch =
   0,  /* memory_remove_breakpoint */
   0,  /* decr_pc_after_break */
   0,  /* deprecated_function_start_offset */
-  generic_remote_translate_xfer_address,  /* remote_translate_xfer_address */
+  default_remote_register_number,  /* remote_register_number */
+  0,  /* fetch_tls_load_module_address */
   0,  /* frame_args_skip */
   0,  /* unwind_pc */
   0,  /* unwind_sp */
-  0,  /* deprecated_saved_pc_after_call */
   0,  /* frame_num_args */
   0,  /* deprecated_stack_align */
   0,  /* frame_align */
@@ -342,7 +344,6 @@ struct gdbarch startup_gdbarch =
   0,  /* print_insn */
   0,  /* skip_trampoline_code */
   generic_skip_solib_resolver,  /* skip_solib_resolver */
-  0,  /* in_solib_call_trampoline */
   0,  /* in_solib_return_trampoline */
   generic_in_function_epilogue_p,  /* in_function_epilogue_p */
   construct_inferior_arguments,  /* construct_inferior_arguments */
@@ -357,6 +358,10 @@ struct gdbarch startup_gdbarch =
   default_register_reggroup_p,  /* register_reggroup_p */
   0,  /* fetch_pointer_argument */
   0,  /* regset_from_core_section */
+  0,  /* vtable_function_descriptors */
+  0,  /* vbit_in_delta */
+  0,  /* skip_permanent_breakpoint */
+  0,  /* overlay_update */
   /* startup_gdbarch() */
 };
 
@@ -392,6 +397,7 @@ gdbarch_alloc (const struct gdbarch_info *info,
   current_gdbarch->bfd_arch_info = info->bfd_arch_info;
   current_gdbarch->byte_order = info->byte_order;
   current_gdbarch->osabi = info->osabi;
+  current_gdbarch->target_desc = info->target_desc;
 
   /* Force the explicit initialization of these. */
   current_gdbarch->short_bit = 2*TARGET_CHAR_BIT;
@@ -416,7 +422,6 @@ gdbarch_alloc (const struct gdbarch_info *info,
   current_gdbarch->dwarf_reg_to_regnum = no_op_reg_to_regnum;
   current_gdbarch->sdb_reg_to_regnum = no_op_reg_to_regnum;
   current_gdbarch->dwarf2_reg_to_regnum = no_op_reg_to_regnum;
-  current_gdbarch->deprecated_register_byte = generic_register_byte;
   current_gdbarch->deprecated_fp_regnum = -1;
   current_gdbarch->call_dummy_location = AT_ENTRY_POINT;
   current_gdbarch->print_registers_info = default_print_registers_info;
@@ -424,22 +429,20 @@ gdbarch_alloc (const struct gdbarch_info *info,
   current_gdbarch->cannot_fetch_register = cannot_register_not;
   current_gdbarch->cannot_store_register = cannot_register_not;
   current_gdbarch->convert_register_p = generic_convert_register_p;
+  current_gdbarch->value_from_register = default_value_from_register;
   current_gdbarch->pointer_to_address = unsigned_pointer_to_address;
   current_gdbarch->address_to_pointer = unsigned_address_to_pointer;
   current_gdbarch->return_value = legacy_return_value;
-  current_gdbarch->extract_return_value = legacy_extract_return_value;
-  current_gdbarch->store_return_value = legacy_store_return_value;
   current_gdbarch->deprecated_use_struct_convention = generic_use_struct_convention;
   current_gdbarch->memory_insert_breakpoint = default_memory_insert_breakpoint;
   current_gdbarch->memory_remove_breakpoint = default_memory_remove_breakpoint;
-  current_gdbarch->remote_translate_xfer_address = generic_remote_translate_xfer_address;
+  current_gdbarch->remote_register_number = default_remote_register_number;
   current_gdbarch->stabs_argument_has_addr = default_stabs_argument_has_addr;
   current_gdbarch->convert_from_func_ptr_addr = convert_from_func_ptr_addr_identity;
   current_gdbarch->addr_bits_remove = core_addr_identity;
   current_gdbarch->smash_text_address = core_addr_identity;
   current_gdbarch->skip_trampoline_code = generic_skip_trampoline_code;
   current_gdbarch->skip_solib_resolver = generic_skip_solib_resolver;
-  current_gdbarch->in_solib_call_trampoline = generic_in_solib_call_trampoline;
   current_gdbarch->in_solib_return_trampoline = generic_in_solib_return_trampoline;
   current_gdbarch->in_function_epilogue_p = generic_in_function_epilogue_p;
   current_gdbarch->construct_inferior_arguments = construct_inferior_arguments;
@@ -511,13 +514,13 @@ verify_gdbarch (struct gdbarch *current_gdbarch)
   /* Skip verify of long_long_bit, invalid_p == 0 */
   /* Skip verify of float_bit, invalid_p == 0 */
   if (current_gdbarch->float_format == 0)
-    current_gdbarch->float_format = default_float_format (current_gdbarch);
+    current_gdbarch->float_format = floatformats_ieee_single;
   /* Skip verify of double_bit, invalid_p == 0 */
   if (current_gdbarch->double_format == 0)
-    current_gdbarch->double_format = default_double_format (current_gdbarch);
+    current_gdbarch->double_format = floatformats_ieee_double;
   /* Skip verify of long_double_bit, invalid_p == 0 */
   if (current_gdbarch->long_double_format == 0)
-    current_gdbarch->long_double_format = default_double_format (current_gdbarch);
+    current_gdbarch->long_double_format = floatformats_ieee_double;
   /* Skip verify of ptr_bit, invalid_p == 0 */
   if (current_gdbarch->addr_bit == 0)
     current_gdbarch->addr_bit = TARGET_PTR_BIT;
@@ -526,7 +529,6 @@ verify_gdbarch (struct gdbarch *current_gdbarch)
     current_gdbarch->char_signed = 1;
   /* Skip verify of read_pc, has predicate */
   /* Skip verify of write_pc, invalid_p == 0 */
-  /* Skip verify of read_sp, has predicate */
   /* Skip verify of virtual_frame_pointer, invalid_p == 0 */
   /* Skip verify of pseudo_register_read, has predicate */
   /* Skip verify of pseudo_register_write, has predicate */
@@ -543,11 +545,9 @@ verify_gdbarch (struct gdbarch *current_gdbarch)
   /* Skip verify of sdb_reg_to_regnum, invalid_p == 0 */
   /* Skip verify of dwarf2_reg_to_regnum, invalid_p == 0 */
   /* Skip verify of register_type, has predicate */
-  /* Skip verify of deprecated_register_byte, has predicate */
   /* Skip verify of unwind_dummy_id, has predicate */
   /* Skip verify of deprecated_fp_regnum, invalid_p == 0 */
   /* Skip verify of push_dummy_call, has predicate */
-  /* Skip verify of deprecated_push_arguments, has predicate */
   /* Skip verify of call_dummy_location, invalid_p == 0 */
   /* Skip verify of push_dummy_code, has predicate */
   /* Skip verify of print_registers_info, invalid_p == 0 */
@@ -559,13 +559,11 @@ verify_gdbarch (struct gdbarch *current_gdbarch)
   /* Skip verify of cannot_store_register, invalid_p == 0 */
   /* Skip verify of get_longjmp_target, has predicate */
   /* Skip verify of convert_register_p, invalid_p == 0 */
+  /* Skip verify of value_from_register, invalid_p == 0 */
   /* Skip verify of pointer_to_address, invalid_p == 0 */
   /* Skip verify of address_to_pointer, invalid_p == 0 */
   /* Skip verify of integer_to_address, has predicate */
-  /* Skip verify of deprecated_store_struct_return, has predicate */
   /* Skip verify of return_value, has predicate */
-  /* Skip verify of extract_return_value, invalid_p == 0 */
-  /* Skip verify of store_return_value, invalid_p == 0 */
   /* Skip verify of deprecated_use_struct_convention, invalid_p == 0 */
   /* Skip verify of deprecated_extract_struct_value_address, has predicate */
   if (current_gdbarch->skip_prologue == 0)
@@ -579,11 +577,11 @@ verify_gdbarch (struct gdbarch *current_gdbarch)
   /* Skip verify of memory_remove_breakpoint, invalid_p == 0 */
   /* Skip verify of decr_pc_after_break, invalid_p == 0 */
   /* Skip verify of deprecated_function_start_offset, invalid_p == 0 */
-  /* Skip verify of remote_translate_xfer_address, invalid_p == 0 */
+  /* Skip verify of remote_register_number, invalid_p == 0 */
+  /* Skip verify of fetch_tls_load_module_address, has predicate */
   /* Skip verify of frame_args_skip, invalid_p == 0 */
   /* Skip verify of unwind_pc, has predicate */
   /* Skip verify of unwind_sp, has predicate */
-  /* Skip verify of deprecated_saved_pc_after_call, has predicate */
   /* Skip verify of frame_num_args, has predicate */
   /* Skip verify of deprecated_stack_align, has predicate */
   /* Skip verify of frame_align, has predicate */
@@ -598,7 +596,6 @@ verify_gdbarch (struct gdbarch *current_gdbarch)
     fprintf_unfiltered (log, "\n\tprint_insn");
   /* Skip verify of skip_trampoline_code, invalid_p == 0 */
   /* Skip verify of skip_solib_resolver, invalid_p == 0 */
-  /* Skip verify of in_solib_call_trampoline, invalid_p == 0 */
   /* Skip verify of in_solib_return_trampoline, invalid_p == 0 */
   /* Skip verify of in_function_epilogue_p, invalid_p == 0 */
   /* Skip verify of construct_inferior_arguments, invalid_p == 0 */
@@ -613,11 +610,15 @@ verify_gdbarch (struct gdbarch *current_gdbarch)
   /* Skip verify of register_reggroup_p, invalid_p == 0 */
   /* Skip verify of fetch_pointer_argument, has predicate */
   /* Skip verify of regset_from_core_section, has predicate */
+  /* Skip verify of vtable_function_descriptors, invalid_p == 0 */
+  /* Skip verify of vbit_in_delta, invalid_p == 0 */
+  /* Skip verify of skip_permanent_breakpoint, has predicate */
+  /* Skip verify of overlay_update, has predicate */
   buf = ui_file_xstrdup (log, &dummy);
   make_cleanup (xfree, buf);
   if (strlen (buf) > 0)
     internal_error (__FILE__, __LINE__,
-                    "verify_gdbarch: the following are invalid ...%s",
+                    _("verify_gdbarch: the following are invalid ...%s"),
                     buf);
   do_cleanups (cleanups);
 }
@@ -702,12 +703,6 @@ gdbarch_dump (struct gdbarch *current_gdbarch, struct ui_file *file)
   fprintf_unfiltered (file,
                       "gdbarch_dump: address_class_type_flags_to_name = <0x%lx>\n",
                       (long) current_gdbarch->address_class_type_flags_to_name);
-#ifdef ADDRESS_TO_POINTER
-  fprintf_unfiltered (file,
-                      "gdbarch_dump: %s # %s\n",
-                      "ADDRESS_TO_POINTER(type, buf, addr)",
-                      XSTRING (ADDRESS_TO_POINTER (type, buf, addr)));
-#endif
   fprintf_unfiltered (file,
                       "gdbarch_dump: address_to_pointer = <0x%lx>\n",
                       (long) current_gdbarch->address_to_pointer);
@@ -750,28 +745,12 @@ gdbarch_dump (struct gdbarch *current_gdbarch, struct ui_file *file)
   fprintf_unfiltered (file,
                       "gdbarch_dump: breakpoint_from_pc = <0x%lx>\n",
                       (long) current_gdbarch->breakpoint_from_pc);
-#ifdef TARGET_BYTE_ORDER
-  fprintf_unfiltered (file,
-                      "gdbarch_dump: TARGET_BYTE_ORDER # %s\n",
-                      XSTRING (TARGET_BYTE_ORDER));
-#endif
   fprintf_unfiltered (file,
                       "gdbarch_dump: byte_order = %s\n",
                       paddr_d (current_gdbarch->byte_order));
-#ifdef CALL_DUMMY_LOCATION
-  fprintf_unfiltered (file,
-                      "gdbarch_dump: CALL_DUMMY_LOCATION # %s\n",
-                      XSTRING (CALL_DUMMY_LOCATION));
-#endif
   fprintf_unfiltered (file,
                       "gdbarch_dump: call_dummy_location = %s\n",
                       paddr_d (current_gdbarch->call_dummy_location));
-#ifdef CANNOT_FETCH_REGISTER
-  fprintf_unfiltered (file,
-                      "gdbarch_dump: %s # %s\n",
-                      "CANNOT_FETCH_REGISTER(regnum)",
-                      XSTRING (CANNOT_FETCH_REGISTER (regnum)));
-#endif
   fprintf_unfiltered (file,
                       "gdbarch_dump: cannot_fetch_register = <0x%lx>\n",
                       (long) current_gdbarch->cannot_fetch_register);
@@ -783,29 +762,12 @@ gdbarch_dump (struct gdbarch *current_gdbarch, struct ui_file *file)
   fprintf_unfiltered (file,
                       "gdbarch_dump: cannot_step_breakpoint = %s\n",
                       paddr_d (current_gdbarch->cannot_step_breakpoint));
-#ifdef CANNOT_STORE_REGISTER
-  fprintf_unfiltered (file,
-                      "gdbarch_dump: %s # %s\n",
-                      "CANNOT_STORE_REGISTER(regnum)",
-                      XSTRING (CANNOT_STORE_REGISTER (regnum)));
-#endif
   fprintf_unfiltered (file,
                       "gdbarch_dump: cannot_store_register = <0x%lx>\n",
                       (long) current_gdbarch->cannot_store_register);
-#ifdef TARGET_CHAR_SIGNED
-  fprintf_unfiltered (file,
-                      "gdbarch_dump: TARGET_CHAR_SIGNED # %s\n",
-                      XSTRING (TARGET_CHAR_SIGNED));
-#endif
   fprintf_unfiltered (file,
                       "gdbarch_dump: char_signed = %s\n",
                       paddr_d (current_gdbarch->char_signed));
-#ifdef COFF_MAKE_MSYMBOL_SPECIAL
-  fprintf_unfiltered (file,
-                      "gdbarch_dump: %s # %s\n",
-                      "COFF_MAKE_MSYMBOL_SPECIAL(val, msym)",
-                      XSTRING (COFF_MAKE_MSYMBOL_SPECIAL (val, msym)));
-#endif
   fprintf_unfiltered (file,
                       "gdbarch_dump: coff_make_msymbol_special = <0x%lx>\n",
                       (long) current_gdbarch->coff_make_msymbol_special);
@@ -832,15 +794,6 @@ gdbarch_dump (struct gdbarch *current_gdbarch, struct ui_file *file)
   fprintf_unfiltered (file,
                       "gdbarch_dump: decr_pc_after_break = 0x%s\n",
                       paddr_nz (current_gdbarch->decr_pc_after_break));
-#ifdef DEPRECATED_EXTRACT_RETURN_VALUE
-  fprintf_unfiltered (file,
-                      "gdbarch_dump: %s # %s\n",
-                      "DEPRECATED_EXTRACT_RETURN_VALUE(type, regbuf, valbuf)",
-                      XSTRING (DEPRECATED_EXTRACT_RETURN_VALUE (type, regbuf, valbuf)));
-#endif
-  fprintf_unfiltered (file,
-                      "gdbarch_dump: deprecated_extract_return_value = <0x%lx>\n",
-                      (long) current_gdbarch->deprecated_extract_return_value);
 #ifdef DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS_P
   fprintf_unfiltered (file,
                       "gdbarch_dump: %s # %s\n",
@@ -875,24 +828,6 @@ gdbarch_dump (struct gdbarch *current_gdbarch, struct ui_file *file)
   fprintf_unfiltered (file,
                       "gdbarch_dump: deprecated_function_start_offset = 0x%s\n",
                       paddr_nz (current_gdbarch->deprecated_function_start_offset));
-#ifdef DEPRECATED_PUSH_ARGUMENTS_P
-  fprintf_unfiltered (file,
-                      "gdbarch_dump: %s # %s\n",
-                      "DEPRECATED_PUSH_ARGUMENTS_P()",
-                      XSTRING (DEPRECATED_PUSH_ARGUMENTS_P ()));
-#endif
-  fprintf_unfiltered (file,
-                      "gdbarch_dump: gdbarch_deprecated_push_arguments_p() = %d\n",
-                      gdbarch_deprecated_push_arguments_p (current_gdbarch));
-#ifdef DEPRECATED_PUSH_ARGUMENTS
-  fprintf_unfiltered (file,
-                      "gdbarch_dump: %s # %s\n",
-                      "DEPRECATED_PUSH_ARGUMENTS(nargs, args, sp, struct_return, struct_addr)",
-                      XSTRING (DEPRECATED_PUSH_ARGUMENTS (nargs, args, sp, struct_return, struct_addr)));
-#endif
-  fprintf_unfiltered (file,
-                      "gdbarch_dump: deprecated_push_arguments = <0x%lx>\n",
-                      (long) current_gdbarch->deprecated_push_arguments);
 #ifdef DEPRECATED_REG_STRUCT_HAS_ADDR_P
   fprintf_unfiltered (file,
                       "gdbarch_dump: %s # %s\n",
@@ -911,24 +846,6 @@ gdbarch_dump (struct gdbarch *current_gdbarch, struct ui_file *file)
   fprintf_unfiltered (file,
                       "gdbarch_dump: deprecated_reg_struct_has_addr = <0x%lx>\n",
                       (long) current_gdbarch->deprecated_reg_struct_has_addr);
-#ifdef DEPRECATED_REGISTER_BYTE_P
-  fprintf_unfiltered (file,
-                      "gdbarch_dump: %s # %s\n",
-                      "DEPRECATED_REGISTER_BYTE_P()",
-                      XSTRING (DEPRECATED_REGISTER_BYTE_P ()));
-#endif
-  fprintf_unfiltered (file,
-                      "gdbarch_dump: gdbarch_deprecated_register_byte_p() = %d\n",
-                      gdbarch_deprecated_register_byte_p (current_gdbarch));
-#ifdef DEPRECATED_REGISTER_BYTE
-  fprintf_unfiltered (file,
-                      "gdbarch_dump: %s # %s\n",
-                      "DEPRECATED_REGISTER_BYTE(reg_nr)",
-                      XSTRING (DEPRECATED_REGISTER_BYTE (reg_nr)));
-#endif
-  fprintf_unfiltered (file,
-                      "gdbarch_dump: deprecated_register_byte = <0x%lx>\n",
-                      (long) current_gdbarch->deprecated_register_byte);
 #ifdef DEPRECATED_REGISTER_SIZE
   fprintf_unfiltered (file,
                       "gdbarch_dump: DEPRECATED_REGISTER_SIZE # %s\n",
@@ -937,24 +854,6 @@ gdbarch_dump (struct gdbarch *current_gdbarch, struct ui_file *file)
   fprintf_unfiltered (file,
                       "gdbarch_dump: deprecated_register_size = %s\n",
                       paddr_d (current_gdbarch->deprecated_register_size));
-#ifdef DEPRECATED_SAVED_PC_AFTER_CALL_P
-  fprintf_unfiltered (file,
-                      "gdbarch_dump: %s # %s\n",
-                      "DEPRECATED_SAVED_PC_AFTER_CALL_P()",
-                      XSTRING (DEPRECATED_SAVED_PC_AFTER_CALL_P ()));
-#endif
-  fprintf_unfiltered (file,
-                      "gdbarch_dump: gdbarch_deprecated_saved_pc_after_call_p() = %d\n",
-                      gdbarch_deprecated_saved_pc_after_call_p (current_gdbarch));
-#ifdef DEPRECATED_SAVED_PC_AFTER_CALL
-  fprintf_unfiltered (file,
-                      "gdbarch_dump: %s # %s\n",
-                      "DEPRECATED_SAVED_PC_AFTER_CALL(frame)",
-                      XSTRING (DEPRECATED_SAVED_PC_AFTER_CALL (frame)));
-#endif
-  fprintf_unfiltered (file,
-                      "gdbarch_dump: deprecated_saved_pc_after_call = <0x%lx>\n",
-                      (long) current_gdbarch->deprecated_saved_pc_after_call);
 #ifdef DEPRECATED_STACK_ALIGN_P
   fprintf_unfiltered (file,
                       "gdbarch_dump: %s # %s\n",
@@ -973,33 +872,6 @@ gdbarch_dump (struct gdbarch *current_gdbarch, struct ui_file *file)
   fprintf_unfiltered (file,
                       "gdbarch_dump: deprecated_stack_align = <0x%lx>\n",
                       (long) current_gdbarch->deprecated_stack_align);
-#ifdef DEPRECATED_STORE_RETURN_VALUE
-  fprintf_unfiltered (file,
-                      "gdbarch_dump: %s # %s\n",
-                      "DEPRECATED_STORE_RETURN_VALUE(type, valbuf)",
-                      XSTRING (DEPRECATED_STORE_RETURN_VALUE (type, valbuf)));
-#endif
-  fprintf_unfiltered (file,
-                      "gdbarch_dump: deprecated_store_return_value = <0x%lx>\n",
-                      (long) current_gdbarch->deprecated_store_return_value);
-#ifdef DEPRECATED_STORE_STRUCT_RETURN_P
-  fprintf_unfiltered (file,
-                      "gdbarch_dump: %s # %s\n",
-                      "DEPRECATED_STORE_STRUCT_RETURN_P()",
-                      XSTRING (DEPRECATED_STORE_STRUCT_RETURN_P ()));
-#endif
-  fprintf_unfiltered (file,
-                      "gdbarch_dump: gdbarch_deprecated_store_struct_return_p() = %d\n",
-                      gdbarch_deprecated_store_struct_return_p (current_gdbarch));
-#ifdef DEPRECATED_STORE_STRUCT_RETURN
-  fprintf_unfiltered (file,
-                      "gdbarch_dump: %s # %s\n",
-                      "DEPRECATED_STORE_STRUCT_RETURN(addr, sp)",
-                      XSTRING (DEPRECATED_STORE_STRUCT_RETURN (addr, sp)));
-#endif
-  fprintf_unfiltered (file,
-                      "gdbarch_dump: deprecated_store_struct_return = <0x%lx>\n",
-                      (long) current_gdbarch->deprecated_store_struct_return);
 #ifdef DEPRECATED_USE_STRUCT_CONVENTION
   fprintf_unfiltered (file,
                       "gdbarch_dump: %s # %s\n",
@@ -1052,12 +924,6 @@ gdbarch_dump (struct gdbarch *current_gdbarch, struct ui_file *file)
   fprintf_unfiltered (file,
                       "gdbarch_dump: ecoff_reg_to_regnum = <0x%lx>\n",
                       (long) current_gdbarch->ecoff_reg_to_regnum);
-#ifdef ELF_MAKE_MSYMBOL_SPECIAL
-  fprintf_unfiltered (file,
-                      "gdbarch_dump: %s # %s\n",
-                      "ELF_MAKE_MSYMBOL_SPECIAL(sym, msym)",
-                      XSTRING (ELF_MAKE_MSYMBOL_SPECIAL (sym, msym)));
-#endif
   fprintf_unfiltered (file,
                       "gdbarch_dump: elf_make_msymbol_special = <0x%lx>\n",
                       (long) current_gdbarch->elf_make_msymbol_special);
@@ -1088,6 +954,24 @@ gdbarch_dump (struct gdbarch *current_gdbarch, struct ui_file *file)
   fprintf_unfiltered (file,
                       "gdbarch_dump: fetch_pointer_argument = <0x%lx>\n",
                       (long) current_gdbarch->fetch_pointer_argument);
+#ifdef FETCH_TLS_LOAD_MODULE_ADDRESS_P
+  fprintf_unfiltered (file,
+                      "gdbarch_dump: %s # %s\n",
+                      "FETCH_TLS_LOAD_MODULE_ADDRESS_P()",
+                      XSTRING (FETCH_TLS_LOAD_MODULE_ADDRESS_P ()));
+#endif
+  fprintf_unfiltered (file,
+                      "gdbarch_dump: gdbarch_fetch_tls_load_module_address_p() = %d\n",
+                      gdbarch_fetch_tls_load_module_address_p (current_gdbarch));
+#ifdef FETCH_TLS_LOAD_MODULE_ADDRESS
+  fprintf_unfiltered (file,
+                      "gdbarch_dump: %s # %s\n",
+                      "FETCH_TLS_LOAD_MODULE_ADDRESS(objfile)",
+                      XSTRING (FETCH_TLS_LOAD_MODULE_ADDRESS (objfile)));
+#endif
+  fprintf_unfiltered (file,
+                      "gdbarch_dump: fetch_tls_load_module_address = <0x%lx>\n",
+                      (long) current_gdbarch->fetch_tls_load_module_address);
 #ifdef TARGET_FLOAT_BIT
   fprintf_unfiltered (file,
                       "gdbarch_dump: TARGET_FLOAT_BIT # %s\n",
@@ -1144,29 +1028,12 @@ gdbarch_dump (struct gdbarch *current_gdbarch, struct ui_file *file)
   fprintf_unfiltered (file,
                       "gdbarch_dump: frame_num_args = <0x%lx>\n",
                       (long) current_gdbarch->frame_num_args);
-#ifdef FRAME_RED_ZONE_SIZE
-  fprintf_unfiltered (file,
-                      "gdbarch_dump: FRAME_RED_ZONE_SIZE # %s\n",
-                      XSTRING (FRAME_RED_ZONE_SIZE));
-#endif
   fprintf_unfiltered (file,
                       "gdbarch_dump: frame_red_zone_size = %s\n",
                       paddr_d (current_gdbarch->frame_red_zone_size));
-#ifdef GET_LONGJMP_TARGET_P
-  fprintf_unfiltered (file,
-                      "gdbarch_dump: %s # %s\n",
-                      "GET_LONGJMP_TARGET_P()",
-                      XSTRING (GET_LONGJMP_TARGET_P ()));
-#endif
   fprintf_unfiltered (file,
                       "gdbarch_dump: gdbarch_get_longjmp_target_p() = %d\n",
                       gdbarch_get_longjmp_target_p (current_gdbarch));
-#ifdef GET_LONGJMP_TARGET
-  fprintf_unfiltered (file,
-                      "gdbarch_dump: %s # %s\n",
-                      "GET_LONGJMP_TARGET(pc)",
-                      XSTRING (GET_LONGJMP_TARGET (pc)));
-#endif
   fprintf_unfiltered (file,
                       "gdbarch_dump: get_longjmp_target = <0x%lx>\n",
                       (long) current_gdbarch->get_longjmp_target);
@@ -1181,15 +1048,6 @@ gdbarch_dump (struct gdbarch *current_gdbarch, struct ui_file *file)
   fprintf_unfiltered (file,
                       "gdbarch_dump: in_function_epilogue_p = <0x%lx>\n",
                       (long) current_gdbarch->in_function_epilogue_p);
-#ifdef IN_SOLIB_CALL_TRAMPOLINE
-  fprintf_unfiltered (file,
-                      "gdbarch_dump: %s # %s\n",
-                      "IN_SOLIB_CALL_TRAMPOLINE(pc, name)",
-                      XSTRING (IN_SOLIB_CALL_TRAMPOLINE (pc, name)));
-#endif
-  fprintf_unfiltered (file,
-                      "gdbarch_dump: in_solib_call_trampoline = <0x%lx>\n",
-                      (long) current_gdbarch->in_solib_call_trampoline);
 #ifdef IN_SOLIB_RETURN_TRAMPOLINE
   fprintf_unfiltered (file,
                       "gdbarch_dump: %s # %s\n",
@@ -1199,12 +1057,6 @@ gdbarch_dump (struct gdbarch *current_gdbarch, struct ui_file *file)
   fprintf_unfiltered (file,
                       "gdbarch_dump: in_solib_return_trampoline = <0x%lx>\n",
                       (long) current_gdbarch->in_solib_return_trampoline);
-#ifdef INNER_THAN
-  fprintf_unfiltered (file,
-                      "gdbarch_dump: %s # %s\n",
-                      "INNER_THAN(lhs, rhs)",
-                      XSTRING (INNER_THAN (lhs, rhs)));
-#endif
   fprintf_unfiltered (file,
                       "gdbarch_dump: inner_than = <0x%lx>\n",
                       (long) current_gdbarch->inner_than);
@@ -1216,21 +1068,9 @@ gdbarch_dump (struct gdbarch *current_gdbarch, struct ui_file *file)
   fprintf_unfiltered (file,
                       "gdbarch_dump: int_bit = %s\n",
                       paddr_d (current_gdbarch->int_bit));
-#ifdef INTEGER_TO_ADDRESS_P
-  fprintf_unfiltered (file,
-                      "gdbarch_dump: %s # %s\n",
-                      "INTEGER_TO_ADDRESS_P()",
-                      XSTRING (INTEGER_TO_ADDRESS_P ()));
-#endif
   fprintf_unfiltered (file,
                       "gdbarch_dump: gdbarch_integer_to_address_p() = %d\n",
                       gdbarch_integer_to_address_p (current_gdbarch));
-#ifdef INTEGER_TO_ADDRESS
-  fprintf_unfiltered (file,
-                      "gdbarch_dump: %s # %s\n",
-                      "INTEGER_TO_ADDRESS(type, buf)",
-                      XSTRING (INTEGER_TO_ADDRESS (type, buf)));
-#endif
   fprintf_unfiltered (file,
                       "gdbarch_dump: integer_to_address = <0x%lx>\n",
                       (long) current_gdbarch->integer_to_address);
@@ -1269,8 +1109,8 @@ gdbarch_dump (struct gdbarch *current_gdbarch, struct ui_file *file)
 #ifdef MEMORY_INSERT_BREAKPOINT
   fprintf_unfiltered (file,
                       "gdbarch_dump: %s # %s\n",
-                      "MEMORY_INSERT_BREAKPOINT(addr, contents_cache)",
-                      XSTRING (MEMORY_INSERT_BREAKPOINT (addr, contents_cache)));
+                      "MEMORY_INSERT_BREAKPOINT(bp_tgt)",
+                      XSTRING (MEMORY_INSERT_BREAKPOINT (bp_tgt)));
 #endif
   fprintf_unfiltered (file,
                       "gdbarch_dump: memory_insert_breakpoint = <0x%lx>\n",
@@ -1278,8 +1118,8 @@ gdbarch_dump (struct gdbarch *current_gdbarch, struct ui_file *file)
 #ifdef MEMORY_REMOVE_BREAKPOINT
   fprintf_unfiltered (file,
                       "gdbarch_dump: %s # %s\n",
-                      "MEMORY_REMOVE_BREAKPOINT(addr, contents_cache)",
-                      XSTRING (MEMORY_REMOVE_BREAKPOINT (addr, contents_cache)));
+                      "MEMORY_REMOVE_BREAKPOINT(bp_tgt)",
+                      XSTRING (MEMORY_REMOVE_BREAKPOINT (bp_tgt)));
 #endif
   fprintf_unfiltered (file,
                       "gdbarch_dump: memory_remove_breakpoint = <0x%lx>\n",
@@ -1292,30 +1132,21 @@ gdbarch_dump (struct gdbarch *current_gdbarch, struct ui_file *file)
   fprintf_unfiltered (file,
                       "gdbarch_dump: name_of_malloc = %s\n",
                       NAME_OF_MALLOC);
-#ifdef NUM_PSEUDO_REGS
-  fprintf_unfiltered (file,
-                      "gdbarch_dump: NUM_PSEUDO_REGS # %s\n",
-                      XSTRING (NUM_PSEUDO_REGS));
-#endif
   fprintf_unfiltered (file,
                       "gdbarch_dump: num_pseudo_regs = %s\n",
                       paddr_d (current_gdbarch->num_pseudo_regs));
-#ifdef NUM_REGS
-  fprintf_unfiltered (file,
-                      "gdbarch_dump: NUM_REGS # %s\n",
-                      XSTRING (NUM_REGS));
-#endif
   fprintf_unfiltered (file,
                       "gdbarch_dump: num_regs = %s\n",
                       paddr_d (current_gdbarch->num_regs));
-#ifdef TARGET_OSABI
-  fprintf_unfiltered (file,
-                      "gdbarch_dump: TARGET_OSABI # %s\n",
-                      XSTRING (TARGET_OSABI));
-#endif
   fprintf_unfiltered (file,
                       "gdbarch_dump: osabi = %s\n",
                       paddr_d (current_gdbarch->osabi));
+  fprintf_unfiltered (file,
+                      "gdbarch_dump: gdbarch_overlay_update_p() = %d\n",
+                      gdbarch_overlay_update_p (current_gdbarch));
+  fprintf_unfiltered (file,
+                      "gdbarch_dump: overlay_update = <0x%lx>\n",
+                      (long) current_gdbarch->overlay_update);
 #ifdef PC_REGNUM
   fprintf_unfiltered (file,
                       "gdbarch_dump: PC_REGNUM # %s\n",
@@ -1324,12 +1155,6 @@ gdbarch_dump (struct gdbarch *current_gdbarch, struct ui_file *file)
   fprintf_unfiltered (file,
                       "gdbarch_dump: pc_regnum = %s\n",
                       paddr_d (current_gdbarch->pc_regnum));
-#ifdef POINTER_TO_ADDRESS
-  fprintf_unfiltered (file,
-                      "gdbarch_dump: %s # %s\n",
-                      "POINTER_TO_ADDRESS(type, buf)",
-                      XSTRING (POINTER_TO_ADDRESS (type, buf)));
-#endif
   fprintf_unfiltered (file,
                       "gdbarch_dump: pointer_to_address = <0x%lx>\n",
                       (long) current_gdbarch->pointer_to_address);
@@ -1415,24 +1240,6 @@ gdbarch_dump (struct gdbarch *current_gdbarch, struct ui_file *file)
   fprintf_unfiltered (file,
                       "gdbarch_dump: read_pc = <0x%lx>\n",
                       (long) current_gdbarch->read_pc);
-#ifdef TARGET_READ_SP_P
-  fprintf_unfiltered (file,
-                      "gdbarch_dump: %s # %s\n",
-                      "TARGET_READ_SP_P()",
-                      XSTRING (TARGET_READ_SP_P ()));
-#endif
-  fprintf_unfiltered (file,
-                      "gdbarch_dump: gdbarch_read_sp_p() = %d\n",
-                      gdbarch_read_sp_p (current_gdbarch));
-#ifdef TARGET_READ_SP
-  fprintf_unfiltered (file,
-                      "gdbarch_dump: %s # %s\n",
-                      "TARGET_READ_SP()",
-                      XSTRING (TARGET_READ_SP ()));
-#endif
-  fprintf_unfiltered (file,
-                      "gdbarch_dump: read_sp = <0x%lx>\n",
-                      (long) current_gdbarch->read_sp);
 #ifdef REGISTER_BYTES_OK_P
   fprintf_unfiltered (file,
                       "gdbarch_dump: %s # %s\n",
@@ -1494,8 +1301,8 @@ gdbarch_dump (struct gdbarch *current_gdbarch, struct ui_file *file)
                       "gdbarch_dump: regset_from_core_section = <0x%lx>\n",
                       (long) current_gdbarch->regset_from_core_section);
   fprintf_unfiltered (file,
-                      "gdbarch_dump: remote_translate_xfer_address = <0x%lx>\n",
-                      (long) current_gdbarch->remote_translate_xfer_address);
+                      "gdbarch_dump: remote_register_number = <0x%lx>\n",
+                      (long) current_gdbarch->remote_register_number);
   fprintf_unfiltered (file,
                       "gdbarch_dump: gdbarch_return_value_p() = %d\n",
                       gdbarch_return_value_p (current_gdbarch));
@@ -1525,6 +1332,12 @@ gdbarch_dump (struct gdbarch *current_gdbarch, struct ui_file *file)
   fprintf_unfiltered (file,
                       "gdbarch_dump: single_step_through_delay = <0x%lx>\n",
                       (long) current_gdbarch->single_step_through_delay);
+  fprintf_unfiltered (file,
+                      "gdbarch_dump: gdbarch_skip_permanent_breakpoint_p() = %d\n",
+                      gdbarch_skip_permanent_breakpoint_p (current_gdbarch));
+  fprintf_unfiltered (file,
+                      "gdbarch_dump: skip_permanent_breakpoint = <0x%lx>\n",
+                      (long) current_gdbarch->skip_permanent_breakpoint);
 #ifdef SKIP_PROLOGUE
   fprintf_unfiltered (file,
                       "gdbarch_dump: %s # %s\n",
@@ -1567,8 +1380,8 @@ gdbarch_dump (struct gdbarch *current_gdbarch, struct ui_file *file)
 #ifdef SOFTWARE_SINGLE_STEP
   fprintf_unfiltered (file,
                       "gdbarch_dump: %s # %s\n",
-                      "SOFTWARE_SINGLE_STEP(sig, insert_breakpoints_p)",
-                      XSTRING (SOFTWARE_SINGLE_STEP (sig, insert_breakpoints_p)));
+                      "SOFTWARE_SINGLE_STEP(regcache)",
+                      XSTRING (SOFTWARE_SINGLE_STEP (regcache)));
 #endif
   fprintf_unfiltered (file,
                       "gdbarch_dump: software_single_step = <0x%lx>\n",
@@ -1603,6 +1416,9 @@ gdbarch_dump (struct gdbarch *current_gdbarch, struct ui_file *file)
                       "gdbarch_dump: store_return_value = <0x%lx>\n",
                       (long) current_gdbarch->store_return_value);
   fprintf_unfiltered (file,
+                      "gdbarch_dump: target_desc = %s\n",
+                      paddr_d ((long) current_gdbarch->target_desc));
+  fprintf_unfiltered (file,
                       "gdbarch_dump: gdbarch_unwind_dummy_id_p() = %d\n",
                       gdbarch_unwind_dummy_id_p (current_gdbarch));
   fprintf_unfiltered (file,
@@ -1620,6 +1436,9 @@ gdbarch_dump (struct gdbarch *current_gdbarch, struct ui_file *file)
   fprintf_unfiltered (file,
                       "gdbarch_dump: unwind_sp = <0x%lx>\n",
                       (long) current_gdbarch->unwind_sp);
+  fprintf_unfiltered (file,
+                      "gdbarch_dump: value_from_register = <0x%lx>\n",
+                      (long) current_gdbarch->value_from_register);
 #ifdef VALUE_TO_REGISTER
   fprintf_unfiltered (file,
                       "gdbarch_dump: %s # %s\n",
@@ -1629,6 +1448,9 @@ gdbarch_dump (struct gdbarch *current_gdbarch, struct ui_file *file)
   fprintf_unfiltered (file,
                       "gdbarch_dump: value_to_register = <0x%lx>\n",
                       (long) current_gdbarch->value_to_register);
+  fprintf_unfiltered (file,
+                      "gdbarch_dump: vbit_in_delta = %s\n",
+                      paddr_d (current_gdbarch->vbit_in_delta));
 #ifdef TARGET_VIRTUAL_FRAME_POINTER
   fprintf_unfiltered (file,
                       "gdbarch_dump: %s # %s\n",
@@ -1638,6 +1460,9 @@ gdbarch_dump (struct gdbarch *current_gdbarch, struct ui_file *file)
   fprintf_unfiltered (file,
                       "gdbarch_dump: virtual_frame_pointer = <0x%lx>\n",
                       (long) current_gdbarch->virtual_frame_pointer);
+  fprintf_unfiltered (file,
+                      "gdbarch_dump: vtable_function_descriptors = %s\n",
+                      paddr_d (current_gdbarch->vtable_function_descriptors));
 #ifdef TARGET_WRITE_PC
   fprintf_unfiltered (file,
                       "gdbarch_dump: %s # %s\n",
@@ -1687,6 +1512,15 @@ gdbarch_osabi (struct gdbarch *gdbarch)
   return gdbarch->osabi;
 }
 
+const struct target_desc *
+gdbarch_target_desc (struct gdbarch *gdbarch)
+{
+  gdb_assert (gdbarch != NULL);
+  if (gdbarch_debug >= 2)
+    fprintf_unfiltered (gdb_stdlog, "gdbarch_target_desc called\n");
+  return gdbarch->target_desc;
+}
+
 int
 gdbarch_short_bit (struct gdbarch *gdbarch)
 {
@@ -1772,7 +1606,7 @@ set_gdbarch_float_bit (struct gdbarch *gdbarch,
   gdbarch->float_bit = float_bit;
 }
 
-const struct floatformat *
+const struct floatformat **
 gdbarch_float_format (struct gdbarch *gdbarch)
 {
   gdb_assert (gdbarch != NULL);
@@ -1783,7 +1617,7 @@ gdbarch_float_format (struct gdbarch *gdbarch)
 
 void
 set_gdbarch_float_format (struct gdbarch *gdbarch,
-                          const struct floatformat * float_format)
+                          const struct floatformat ** float_format)
 {
   gdbarch->float_format = float_format;
 }
@@ -1805,7 +1639,7 @@ set_gdbarch_double_bit (struct gdbarch *gdbarch,
   gdbarch->double_bit = double_bit;
 }
 
-const struct floatformat *
+const struct floatformat **
 gdbarch_double_format (struct gdbarch *gdbarch)
 {
   gdb_assert (gdbarch != NULL);
@@ -1816,7 +1650,7 @@ gdbarch_double_format (struct gdbarch *gdbarch)
 
 void
 set_gdbarch_double_format (struct gdbarch *gdbarch,
-                           const struct floatformat * double_format)
+                           const struct floatformat ** double_format)
 {
   gdbarch->double_format = double_format;
 }
@@ -1838,7 +1672,7 @@ set_gdbarch_long_double_bit (struct gdbarch *gdbarch,
   gdbarch->long_double_bit = long_double_bit;
 }
 
-const struct floatformat *
+const struct floatformat **
 gdbarch_long_double_format (struct gdbarch *gdbarch)
 {
   gdb_assert (gdbarch != NULL);
@@ -1849,7 +1683,7 @@ gdbarch_long_double_format (struct gdbarch *gdbarch)
 
 void
 set_gdbarch_long_double_format (struct gdbarch *gdbarch,
-                                const struct floatformat * long_double_format)
+                                const struct floatformat ** long_double_format)
 {
   gdbarch->long_double_format = long_double_format;
 }
@@ -1965,30 +1799,6 @@ set_gdbarch_write_pc (struct gdbarch *gdbarch,
   gdbarch->write_pc = write_pc;
 }
 
-int
-gdbarch_read_sp_p (struct gdbarch *gdbarch)
-{
-  gdb_assert (gdbarch != NULL);
-  return gdbarch->read_sp != NULL;
-}
-
-CORE_ADDR
-gdbarch_read_sp (struct gdbarch *gdbarch)
-{
-  gdb_assert (gdbarch != NULL);
-  gdb_assert (gdbarch->read_sp != NULL);
-  if (gdbarch_debug >= 2)
-    fprintf_unfiltered (gdb_stdlog, "gdbarch_read_sp called\n");
-  return gdbarch->read_sp ();
-}
-
-void
-set_gdbarch_read_sp (struct gdbarch *gdbarch,
-                     gdbarch_read_sp_ftype read_sp)
-{
-  gdbarch->read_sp = read_sp;
-}
-
 void
 gdbarch_virtual_frame_pointer (struct gdbarch *gdbarch, CORE_ADDR pc, int *frame_regnum, LONGEST *frame_offset)
 {
@@ -2014,7 +1824,7 @@ gdbarch_pseudo_register_read_p (struct gdbarch *gdbarch)
 }
 
 void
-gdbarch_pseudo_register_read (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum, void *buf)
+gdbarch_pseudo_register_read (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum, gdb_byte *buf)
 {
   gdb_assert (gdbarch != NULL);
   gdb_assert (gdbarch->pseudo_register_read != NULL);
@@ -2038,7 +1848,7 @@ gdbarch_pseudo_register_write_p (struct gdbarch *gdbarch)
 }
 
 void
-gdbarch_pseudo_register_write (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum, const void *buf)
+gdbarch_pseudo_register_write (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum, const gdb_byte *buf)
 {
   gdb_assert (gdbarch != NULL);
   gdb_assert (gdbarch->pseudo_register_write != NULL);
@@ -2284,31 +2094,6 @@ set_gdbarch_register_type (struct gdbarch *gdbarch,
 }
 
 int
-gdbarch_deprecated_register_byte_p (struct gdbarch *gdbarch)
-{
-  gdb_assert (gdbarch != NULL);
-  return gdbarch->deprecated_register_byte != generic_register_byte;
-}
-
-int
-gdbarch_deprecated_register_byte (struct gdbarch *gdbarch, int reg_nr)
-{
-  gdb_assert (gdbarch != NULL);
-  gdb_assert (gdbarch->deprecated_register_byte != NULL);
-  /* Do not check predicate: gdbarch->deprecated_register_byte != generic_register_byte, allow call.  */
-  if (gdbarch_debug >= 2)
-    fprintf_unfiltered (gdb_stdlog, "gdbarch_deprecated_register_byte called\n");
-  return gdbarch->deprecated_register_byte (reg_nr);
-}
-
-void
-set_gdbarch_deprecated_register_byte (struct gdbarch *gdbarch,
-                                      gdbarch_deprecated_register_byte_ftype deprecated_register_byte)
-{
-  gdbarch->deprecated_register_byte = deprecated_register_byte;
-}
-
-int
 gdbarch_unwind_dummy_id_p (struct gdbarch *gdbarch)
 {
   gdb_assert (gdbarch != NULL);
@@ -2374,30 +2159,6 @@ set_gdbarch_push_dummy_call (struct gdbarch *gdbarch,
 }
 
 int
-gdbarch_deprecated_push_arguments_p (struct gdbarch *gdbarch)
-{
-  gdb_assert (gdbarch != NULL);
-  return gdbarch->deprecated_push_arguments != NULL;
-}
-
-CORE_ADDR
-gdbarch_deprecated_push_arguments (struct gdbarch *gdbarch, int nargs, struct value **args, CORE_ADDR sp, int struct_return, CORE_ADDR struct_addr)
-{
-  gdb_assert (gdbarch != NULL);
-  gdb_assert (gdbarch->deprecated_push_arguments != NULL);
-  if (gdbarch_debug >= 2)
-    fprintf_unfiltered (gdb_stdlog, "gdbarch_deprecated_push_arguments called\n");
-  return gdbarch->deprecated_push_arguments (nargs, args, sp, struct_return, struct_addr);
-}
-
-void
-set_gdbarch_deprecated_push_arguments (struct gdbarch *gdbarch,
-                                       gdbarch_deprecated_push_arguments_ftype deprecated_push_arguments)
-{
-  gdbarch->deprecated_push_arguments = deprecated_push_arguments;
-}
-
-int
 gdbarch_deprecated_register_size (struct gdbarch *gdbarch)
 {
   gdb_assert (gdbarch != NULL);
@@ -2652,7 +2413,7 @@ set_gdbarch_convert_register_p (struct gdbarch *gdbarch,
 }
 
 void
-gdbarch_register_to_value (struct gdbarch *gdbarch, struct frame_info *frame, int regnum, struct type *type, void *buf)
+gdbarch_register_to_value (struct gdbarch *gdbarch, struct frame_info *frame, int regnum, struct type *type, gdb_byte *buf)
 {
   gdb_assert (gdbarch != NULL);
   gdb_assert (gdbarch->register_to_value != NULL);
@@ -2669,7 +2430,7 @@ set_gdbarch_register_to_value (struct gdbarch *gdbarch,
 }
 
 void
-gdbarch_value_to_register (struct gdbarch *gdbarch, struct frame_info *frame, int regnum, struct type *type, const void *buf)
+gdbarch_value_to_register (struct gdbarch *gdbarch, struct frame_info *frame, int regnum, struct type *type, const gdb_byte *buf)
 {
   gdb_assert (gdbarch != NULL);
   gdb_assert (gdbarch->value_to_register != NULL);
@@ -2685,8 +2446,25 @@ set_gdbarch_value_to_register (struct gdbarch *gdbarch,
   gdbarch->value_to_register = value_to_register;
 }
 
+struct value *
+gdbarch_value_from_register (struct gdbarch *gdbarch, struct type *type, int regnum, struct frame_info *frame)
+{
+  gdb_assert (gdbarch != NULL);
+  gdb_assert (gdbarch->value_from_register != NULL);
+  if (gdbarch_debug >= 2)
+    fprintf_unfiltered (gdb_stdlog, "gdbarch_value_from_register called\n");
+  return gdbarch->value_from_register (type, regnum, frame);
+}
+
+void
+set_gdbarch_value_from_register (struct gdbarch *gdbarch,
+                                 gdbarch_value_from_register_ftype value_from_register)
+{
+  gdbarch->value_from_register = value_from_register;
+}
+
 CORE_ADDR
-gdbarch_pointer_to_address (struct gdbarch *gdbarch, struct type *type, const void *buf)
+gdbarch_pointer_to_address (struct gdbarch *gdbarch, struct type *type, const gdb_byte *buf)
 {
   gdb_assert (gdbarch != NULL);
   gdb_assert (gdbarch->pointer_to_address != NULL);
@@ -2703,7 +2481,7 @@ set_gdbarch_pointer_to_address (struct gdbarch *gdbarch,
 }
 
 void
-gdbarch_address_to_pointer (struct gdbarch *gdbarch, struct type *type, void *buf, CORE_ADDR addr)
+gdbarch_address_to_pointer (struct gdbarch *gdbarch, struct type *type, gdb_byte *buf, CORE_ADDR addr)
 {
   gdb_assert (gdbarch != NULL);
   gdb_assert (gdbarch->address_to_pointer != NULL);
@@ -2727,13 +2505,13 @@ gdbarch_integer_to_address_p (struct gdbarch *gdbarch)
 }
 
 CORE_ADDR
-gdbarch_integer_to_address (struct gdbarch *gdbarch, struct type *type, void *buf)
+gdbarch_integer_to_address (struct gdbarch *gdbarch, struct type *type, const gdb_byte *buf)
 {
   gdb_assert (gdbarch != NULL);
   gdb_assert (gdbarch->integer_to_address != NULL);
   if (gdbarch_debug >= 2)
     fprintf_unfiltered (gdb_stdlog, "gdbarch_integer_to_address called\n");
-  return gdbarch->integer_to_address (type, buf);
+  return gdbarch->integer_to_address (gdbarch, type, buf);
 }
 
 void
@@ -2744,30 +2522,6 @@ set_gdbarch_integer_to_address (struct gdbarch *gdbarch,
 }
 
 int
-gdbarch_deprecated_store_struct_return_p (struct gdbarch *gdbarch)
-{
-  gdb_assert (gdbarch != NULL);
-  return gdbarch->deprecated_store_struct_return != NULL;
-}
-
-void
-gdbarch_deprecated_store_struct_return (struct gdbarch *gdbarch, CORE_ADDR addr, CORE_ADDR sp)
-{
-  gdb_assert (gdbarch != NULL);
-  gdb_assert (gdbarch->deprecated_store_struct_return != NULL);
-  if (gdbarch_debug >= 2)
-    fprintf_unfiltered (gdb_stdlog, "gdbarch_deprecated_store_struct_return called\n");
-  gdbarch->deprecated_store_struct_return (addr, sp);
-}
-
-void
-set_gdbarch_deprecated_store_struct_return (struct gdbarch *gdbarch,
-                                            gdbarch_deprecated_store_struct_return_ftype deprecated_store_struct_return)
-{
-  gdbarch->deprecated_store_struct_return = deprecated_store_struct_return;
-}
-
-int
 gdbarch_return_value_p (struct gdbarch *gdbarch)
 {
   gdb_assert (gdbarch != NULL);
@@ -2775,7 +2529,7 @@ gdbarch_return_value_p (struct gdbarch *gdbarch)
 }
 
 enum return_value_convention
-gdbarch_return_value (struct gdbarch *gdbarch, struct type *valtype, struct regcache *regcache, void *readbuf, const void *writebuf)
+gdbarch_return_value (struct gdbarch *gdbarch, struct type *valtype, struct regcache *regcache, gdb_byte *readbuf, const gdb_byte *writebuf)
 {
   gdb_assert (gdbarch != NULL);
   gdb_assert (gdbarch->return_value != NULL);
@@ -2793,7 +2547,7 @@ set_gdbarch_return_value (struct gdbarch *gdbarch,
 }
 
 void
-gdbarch_extract_return_value (struct gdbarch *gdbarch, struct type *type, struct regcache *regcache, void *valbuf)
+gdbarch_extract_return_value (struct gdbarch *gdbarch, struct type *type, struct regcache *regcache, gdb_byte *valbuf)
 {
   gdb_assert (gdbarch != NULL);
   gdb_assert (gdbarch->extract_return_value != NULL);
@@ -2810,7 +2564,7 @@ set_gdbarch_extract_return_value (struct gdbarch *gdbarch,
 }
 
 void
-gdbarch_store_return_value (struct gdbarch *gdbarch, struct type *type, struct regcache *regcache, const void *valbuf)
+gdbarch_store_return_value (struct gdbarch *gdbarch, struct type *type, struct regcache *regcache, const gdb_byte *valbuf)
 {
   gdb_assert (gdbarch != NULL);
   gdb_assert (gdbarch->store_return_value != NULL);
@@ -2826,40 +2580,6 @@ set_gdbarch_store_return_value (struct gdbarch *gdbarch,
   gdbarch->store_return_value = store_return_value;
 }
 
-void
-gdbarch_deprecated_extract_return_value (struct gdbarch *gdbarch, struct type *type, char *regbuf, char *valbuf)
-{
-  gdb_assert (gdbarch != NULL);
-  gdb_assert (gdbarch->deprecated_extract_return_value != NULL);
-  if (gdbarch_debug >= 2)
-    fprintf_unfiltered (gdb_stdlog, "gdbarch_deprecated_extract_return_value called\n");
-  gdbarch->deprecated_extract_return_value (type, regbuf, valbuf);
-}
-
-void
-set_gdbarch_deprecated_extract_return_value (struct gdbarch *gdbarch,
-                                             gdbarch_deprecated_extract_return_value_ftype deprecated_extract_return_value)
-{
-  gdbarch->deprecated_extract_return_value = deprecated_extract_return_value;
-}
-
-void
-gdbarch_deprecated_store_return_value (struct gdbarch *gdbarch, struct type *type, char *valbuf)
-{
-  gdb_assert (gdbarch != NULL);
-  gdb_assert (gdbarch->deprecated_store_return_value != NULL);
-  if (gdbarch_debug >= 2)
-    fprintf_unfiltered (gdb_stdlog, "gdbarch_deprecated_store_return_value called\n");
-  gdbarch->deprecated_store_return_value (type, valbuf);
-}
-
-void
-set_gdbarch_deprecated_store_return_value (struct gdbarch *gdbarch,
-                                           gdbarch_deprecated_store_return_value_ftype deprecated_store_return_value)
-{
-  gdbarch->deprecated_store_return_value = deprecated_store_return_value;
-}
-
 int
 gdbarch_deprecated_use_struct_convention (struct gdbarch *gdbarch, int gcc_p, struct type *value_type)
 {
@@ -2935,7 +2655,7 @@ set_gdbarch_inner_than (struct gdbarch *gdbarch,
   gdbarch->inner_than = inner_than;
 }
 
-const unsigned char *
+const gdb_byte *
 gdbarch_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *lenptr)
 {
   gdb_assert (gdbarch != NULL);
@@ -2977,13 +2697,13 @@ set_gdbarch_adjust_breakpoint_address (struct gdbarch *gdbarch,
 }
 
 int
-gdbarch_memory_insert_breakpoint (struct gdbarch *gdbarch, CORE_ADDR addr, char *contents_cache)
+gdbarch_memory_insert_breakpoint (struct gdbarch *gdbarch, struct bp_target_info *bp_tgt)
 {
   gdb_assert (gdbarch != NULL);
   gdb_assert (gdbarch->memory_insert_breakpoint != NULL);
   if (gdbarch_debug >= 2)
     fprintf_unfiltered (gdb_stdlog, "gdbarch_memory_insert_breakpoint called\n");
-  return gdbarch->memory_insert_breakpoint (addr, contents_cache);
+  return gdbarch->memory_insert_breakpoint (bp_tgt);
 }
 
 void
@@ -2994,13 +2714,13 @@ set_gdbarch_memory_insert_breakpoint (struct gdbarch *gdbarch,
 }
 
 int
-gdbarch_memory_remove_breakpoint (struct gdbarch *gdbarch, CORE_ADDR addr, char *contents_cache)
+gdbarch_memory_remove_breakpoint (struct gdbarch *gdbarch, struct bp_target_info *bp_tgt)
 {
   gdb_assert (gdbarch != NULL);
   gdb_assert (gdbarch->memory_remove_breakpoint != NULL);
   if (gdbarch_debug >= 2)
     fprintf_unfiltered (gdb_stdlog, "gdbarch_memory_remove_breakpoint called\n");
-  return gdbarch->memory_remove_breakpoint (addr, contents_cache);
+  return gdbarch->memory_remove_breakpoint (bp_tgt);
 }
 
 void
@@ -3044,21 +2764,45 @@ set_gdbarch_deprecated_function_start_offset (struct gdbarch *gdbarch,
   gdbarch->deprecated_function_start_offset = deprecated_function_start_offset;
 }
 
+int
+gdbarch_remote_register_number (struct gdbarch *gdbarch, int regno)
+{
+  gdb_assert (gdbarch != NULL);
+  gdb_assert (gdbarch->remote_register_number != NULL);
+  if (gdbarch_debug >= 2)
+    fprintf_unfiltered (gdb_stdlog, "gdbarch_remote_register_number called\n");
+  return gdbarch->remote_register_number (gdbarch, regno);
+}
+
 void
-gdbarch_remote_translate_xfer_address (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR gdb_addr, int gdb_len, CORE_ADDR *rem_addr, int *rem_len)
+set_gdbarch_remote_register_number (struct gdbarch *gdbarch,
+                                    gdbarch_remote_register_number_ftype remote_register_number)
+{
+  gdbarch->remote_register_number = remote_register_number;
+}
+
+int
+gdbarch_fetch_tls_load_module_address_p (struct gdbarch *gdbarch)
 {
   gdb_assert (gdbarch != NULL);
-  gdb_assert (gdbarch->remote_translate_xfer_address != NULL);
+  return gdbarch->fetch_tls_load_module_address != NULL;
+}
+
+CORE_ADDR
+gdbarch_fetch_tls_load_module_address (struct gdbarch *gdbarch, struct objfile *objfile)
+{
+  gdb_assert (gdbarch != NULL);
+  gdb_assert (gdbarch->fetch_tls_load_module_address != NULL);
   if (gdbarch_debug >= 2)
-    fprintf_unfiltered (gdb_stdlog, "gdbarch_remote_translate_xfer_address called\n");
-  gdbarch->remote_translate_xfer_address (gdbarch, regcache, gdb_addr, gdb_len, rem_addr, rem_len);
+    fprintf_unfiltered (gdb_stdlog, "gdbarch_fetch_tls_load_module_address called\n");
+  return gdbarch->fetch_tls_load_module_address (objfile);
 }
 
 void
-set_gdbarch_remote_translate_xfer_address (struct gdbarch *gdbarch,
-                                           gdbarch_remote_translate_xfer_address_ftype remote_translate_xfer_address)
+set_gdbarch_fetch_tls_load_module_address (struct gdbarch *gdbarch,
+                                           gdbarch_fetch_tls_load_module_address_ftype fetch_tls_load_module_address)
 {
-  gdbarch->remote_translate_xfer_address = remote_translate_xfer_address;
+  gdbarch->fetch_tls_load_module_address = fetch_tls_load_module_address;
 }
 
 CORE_ADDR
@@ -3127,30 +2871,6 @@ set_gdbarch_unwind_sp (struct gdbarch *gdbarch,
 }
 
 int
-gdbarch_deprecated_saved_pc_after_call_p (struct gdbarch *gdbarch)
-{
-  gdb_assert (gdbarch != NULL);
-  return gdbarch->deprecated_saved_pc_after_call != NULL;
-}
-
-CORE_ADDR
-gdbarch_deprecated_saved_pc_after_call (struct gdbarch *gdbarch, struct frame_info *frame)
-{
-  gdb_assert (gdbarch != NULL);
-  gdb_assert (gdbarch->deprecated_saved_pc_after_call != NULL);
-  if (gdbarch_debug >= 2)
-    fprintf_unfiltered (gdb_stdlog, "gdbarch_deprecated_saved_pc_after_call called\n");
-  return gdbarch->deprecated_saved_pc_after_call (frame);
-}
-
-void
-set_gdbarch_deprecated_saved_pc_after_call (struct gdbarch *gdbarch,
-                                            gdbarch_deprecated_saved_pc_after_call_ftype deprecated_saved_pc_after_call)
-{
-  gdbarch->deprecated_saved_pc_after_call = deprecated_saved_pc_after_call;
-}
-
-int
 gdbarch_frame_num_args_p (struct gdbarch *gdbarch)
 {
   gdb_assert (gdbarch != NULL);
@@ -3337,14 +3057,14 @@ gdbarch_software_single_step_p (struct gdbarch *gdbarch)
   return gdbarch->software_single_step != NULL;
 }
 
-void
-gdbarch_software_single_step (struct gdbarch *gdbarch, enum target_signal sig, int insert_breakpoints_p)
+int
+gdbarch_software_single_step (struct gdbarch *gdbarch, struct regcache *regcache)
 {
   gdb_assert (gdbarch != NULL);
   gdb_assert (gdbarch->software_single_step != NULL);
   if (gdbarch_debug >= 2)
     fprintf_unfiltered (gdb_stdlog, "gdbarch_software_single_step called\n");
-  gdbarch->software_single_step (sig, insert_breakpoints_p);
+  return gdbarch->software_single_step (regcache);
 }
 
 void
@@ -3430,23 +3150,6 @@ set_gdbarch_skip_solib_resolver (struct gdbarch *gdbarch,
 }
 
 int
-gdbarch_in_solib_call_trampoline (struct gdbarch *gdbarch, CORE_ADDR pc, char *name)
-{
-  gdb_assert (gdbarch != NULL);
-  gdb_assert (gdbarch->in_solib_call_trampoline != NULL);
-  if (gdbarch_debug >= 2)
-    fprintf_unfiltered (gdb_stdlog, "gdbarch_in_solib_call_trampoline called\n");
-  return gdbarch->in_solib_call_trampoline (pc, name);
-}
-
-void
-set_gdbarch_in_solib_call_trampoline (struct gdbarch *gdbarch,
-                                      gdbarch_in_solib_call_trampoline_ftype in_solib_call_trampoline)
-{
-  gdbarch->in_solib_call_trampoline = in_solib_call_trampoline;
-}
-
-int
 gdbarch_in_solib_return_trampoline (struct gdbarch *gdbarch, CORE_ADDR pc, char *name)
 {
   gdb_assert (gdbarch != NULL);
@@ -3719,6 +3422,88 @@ set_gdbarch_regset_from_core_section (struct gdbarch *gdbarch,
   gdbarch->regset_from_core_section = regset_from_core_section;
 }
 
+int
+gdbarch_vtable_function_descriptors (struct gdbarch *gdbarch)
+{
+  gdb_assert (gdbarch != NULL);
+  /* Skip verify of vtable_function_descriptors, invalid_p == 0 */
+  if (gdbarch_debug >= 2)
+    fprintf_unfiltered (gdb_stdlog, "gdbarch_vtable_function_descriptors called\n");
+  return gdbarch->vtable_function_descriptors;
+}
+
+void
+set_gdbarch_vtable_function_descriptors (struct gdbarch *gdbarch,
+                                         int vtable_function_descriptors)
+{
+  gdbarch->vtable_function_descriptors = vtable_function_descriptors;
+}
+
+int
+gdbarch_vbit_in_delta (struct gdbarch *gdbarch)
+{
+  gdb_assert (gdbarch != NULL);
+  /* Skip verify of vbit_in_delta, invalid_p == 0 */
+  if (gdbarch_debug >= 2)
+    fprintf_unfiltered (gdb_stdlog, "gdbarch_vbit_in_delta called\n");
+  return gdbarch->vbit_in_delta;
+}
+
+void
+set_gdbarch_vbit_in_delta (struct gdbarch *gdbarch,
+                           int vbit_in_delta)
+{
+  gdbarch->vbit_in_delta = vbit_in_delta;
+}
+
+int
+gdbarch_skip_permanent_breakpoint_p (struct gdbarch *gdbarch)
+{
+  gdb_assert (gdbarch != NULL);
+  return gdbarch->skip_permanent_breakpoint != NULL;
+}
+
+void
+gdbarch_skip_permanent_breakpoint (struct gdbarch *gdbarch, struct regcache *regcache)
+{
+  gdb_assert (gdbarch != NULL);
+  gdb_assert (gdbarch->skip_permanent_breakpoint != NULL);
+  if (gdbarch_debug >= 2)
+    fprintf_unfiltered (gdb_stdlog, "gdbarch_skip_permanent_breakpoint called\n");
+  gdbarch->skip_permanent_breakpoint (regcache);
+}
+
+void
+set_gdbarch_skip_permanent_breakpoint (struct gdbarch *gdbarch,
+                                       gdbarch_skip_permanent_breakpoint_ftype skip_permanent_breakpoint)
+{
+  gdbarch->skip_permanent_breakpoint = skip_permanent_breakpoint;
+}
+
+int
+gdbarch_overlay_update_p (struct gdbarch *gdbarch)
+{
+  gdb_assert (gdbarch != NULL);
+  return gdbarch->overlay_update != NULL;
+}
+
+void
+gdbarch_overlay_update (struct gdbarch *gdbarch, struct obj_section *osect)
+{
+  gdb_assert (gdbarch != NULL);
+  gdb_assert (gdbarch->overlay_update != NULL);
+  if (gdbarch_debug >= 2)
+    fprintf_unfiltered (gdb_stdlog, "gdbarch_overlay_update called\n");
+  gdbarch->overlay_update (osect);
+}
+
+void
+set_gdbarch_overlay_update (struct gdbarch *gdbarch,
+                            gdbarch_overlay_update_ftype overlay_update)
+{
+  gdbarch->overlay_update = overlay_update;
+}
+
 
 /* Keep a registry of per-architecture data-pointers required by GDB
    modules. */
@@ -3982,7 +3767,7 @@ gdbarch_printable_names (void)
       ap = bfd_lookup_arch (rego->bfd_architecture, 0);
       if (ap == NULL)
         internal_error (__FILE__, __LINE__,
-                        "gdbarch_architecture_names: multi-arch unknown");
+                        _("gdbarch_architecture_names: multi-arch unknown"));
       do
         {
           append_name (&arches, &nr_arches, ap->printable_name);
@@ -4007,7 +3792,7 @@ gdbarch_register (enum bfd_architecture bfd_architecture,
   if (bfd_arch_info == NULL)
     {
       internal_error (__FILE__, __LINE__,
-                      "gdbarch: Attempt to register unknown architecture (%d)",
+                      _("gdbarch: Attempt to register unknown architecture (%d)"),
                       bfd_architecture);
     }
   /* Check that we haven't seen this architecture before */
@@ -4017,7 +3802,7 @@ gdbarch_register (enum bfd_architecture bfd_architecture,
     {
       if (bfd_architecture == (*curr)->bfd_architecture)
        internal_error (__FILE__, __LINE__,
-                        "gdbarch: Duplicate registraration of architecture (%s)",
+                        _("gdbarch: Duplicate registraration of architecture (%s)"),
                        bfd_arch_info->printable_name);
     }
   /* log it */
@@ -4042,8 +3827,7 @@ register_gdbarch_init (enum bfd_architecture bfd_architecture,
 }
 
 
-/* Look for an architecture using gdbarch_info.  Base search on only
-   BFD_ARCH_INFO and BYTE_ORDER. */
+/* Look for an architecture using gdbarch_info.  */
 
 struct gdbarch_list *
 gdbarch_list_lookup_by_info (struct gdbarch_list *arches,
@@ -4057,6 +3841,8 @@ gdbarch_list_lookup_by_info (struct gdbarch_list *arches,
        continue;
       if (info->osabi != arches->gdbarch->osabi)
        continue;
+      if (info->target_desc != arches->gdbarch->target_desc)
+       continue;
       return arches;
     }
   return NULL;
@@ -4068,7 +3854,7 @@ gdbarch_list_lookup_by_info (struct gdbarch_list *arches,
    that there is no current architecture.  */
 
 static struct gdbarch *
-find_arch_by_info (struct gdbarch *old_gdbarch, struct gdbarch_info info)
+find_arch_by_info (struct gdbarch_info info)
 {
   struct gdbarch *new_gdbarch;
   struct gdbarch_registration *rego;
@@ -4078,9 +3864,9 @@ find_arch_by_info (struct gdbarch *old_gdbarch, struct gdbarch_info info)
   gdb_assert (current_gdbarch == NULL);
 
   /* Fill in missing parts of the INFO struct using a number of
-     sources: "set ..."; INFOabfd supplied; and the existing
-     architecture.  */
-  gdbarch_info_fill (old_gdbarch, &info);
+     sources: "set ..."; INFOabfd supplied; and the global
+     defaults.  */
+  gdbarch_info_fill (&info);
 
   /* Must have found some sort of architecture. */
   gdb_assert (info.bfd_arch_info != NULL);
@@ -4211,7 +3997,7 @@ gdbarch_find_by_info (struct gdbarch_info info)
   struct gdbarch *old_gdbarch = current_gdbarch_swap_out_hack ();
 
   /* Find the specified architecture.  */
-  struct gdbarch *new_gdbarch = find_arch_by_info (old_gdbarch, info);
+  struct gdbarch *new_gdbarch = find_arch_by_info (info);
 
   /* Restore the existing architecture.  */
   gdb_assert (current_gdbarch == NULL);
@@ -4232,6 +4018,7 @@ deprecated_current_gdbarch_select_hack (struct gdbarch *new_gdbarch)
   current_gdbarch_swap_out_hack ();
   current_gdbarch_swap_in_hack (new_gdbarch);
   architecture_changed_event ();
+  reinit_frame_cache ();
 }
 
 extern void _initialize_gdbarch (void);
@@ -4241,21 +4028,11 @@ _initialize_gdbarch (void)
 {
   struct cmd_list_element *c;
 
-  deprecated_add_show_from_set
-    (add_set_cmd ("arch",
-                 class_maintenance,
-                 var_zinteger,
-                 (char *)&gdbarch_debug,
-                 "Set architecture debugging.\n\
-When non-zero, architecture debugging is enabled.", &setdebuglist),
-     &showdebuglist);
-  c = add_set_cmd ("archdebug",
-                  class_maintenance,
-                  var_zinteger,
-                  (char *)&gdbarch_debug,
-                  "Set architecture debugging.\n\
-When non-zero, architecture debugging is enabled.", &setlist);
-
-  deprecate_cmd (c, "set debug arch");
-  deprecate_cmd (deprecated_add_show_from_set (c, &showlist), "show debug arch");
+  add_setshow_zinteger_cmd ("arch", class_maintenance, &gdbarch_debug, _("\
+Set architecture debugging."), _("\
+Show architecture debugging."), _("\
+When non-zero, architecture debugging is enabled."),
+                            NULL,
+                            show_gdbarch_debug,
+                            &setdebuglist, &showdebuglist);
 }