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diff --git a/gdb/gdbarch.h b/gdb/gdbarch.h
index f2380db6f5..49932c03b6 100644
--- a/gdb/gdbarch.h
+++ b/gdb/gdbarch.h
@@ -1,25 +1,1315 @@
-/* Architecture commands for GDB, the GNU debugger.
+/* *INDENT-OFF* */ /* THIS FILE IS GENERATED */
+
+/* Dynamic architecture support for GDB, the GNU debugger.
    Copyright 1998-1999, Free Software Foundation, Inc.
 
-This file is part of GDB.
+   This file is part of GDB.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   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.  */
 
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+/* This file was created with the aid of ``gdbarch.sh''.
 
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
+   The bourn shell script ``gdbarch.sh'' creates the files
+   ``new-gdbarch.c'' and ``new-gdbarch.h and then compares them
+   against the existing ``gdbarch.[hc]''.  Any differences found
+   being reported.
 
-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.  */
+   If editing this file, please also run gdbarch.sh and merge any
+   changes into that script. Conversely, when makeing sweeping changes
+   to this file, modifying gdbarch.sh and using its output may prove
+   easier. */
 
 #ifndef GDBARCH_H
 #define GDBARCH_H
 
+struct frame_info;
+struct value;
+
+
+#ifndef GDB_MULTI_ARCH
+#define GDB_MULTI_ARCH 0
+#endif
+
+extern struct gdbarch *current_gdbarch;
+
+
+/* See gdb/doc/gdbint.texi for a discussion of the GDB_MULTI_ARCH
+   macro */
+
+
+/* If any of the following are defined, the target wasn't correctly
+   converted. */
+
+#if GDB_MULTI_ARCH
+#if defined (EXTRA_FRAME_INFO)
+#error "EXTRA_FRAME_INFO: replaced by struct frame_extra_info"
+#endif
+#endif
+
+#if GDB_MULTI_ARCH
+#if defined (FRAME_FIND_SAVED_REGS)
+#error "FRAME_FIND_SAVED_REGS: replaced by FRAME_INIT_SAVED_REGS"
+#endif
+#endif
+
+
+/* The following are pre-initialized by GDBARCH. */
+
+extern const struct bfd_arch_info * gdbarch_bfd_arch_info (struct gdbarch *gdbarch);
+/* set_gdbarch_bfd_arch_info() - not applicable - pre-initialized. */
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (TARGET_ARCHITECTURE)
+#define TARGET_ARCHITECTURE (gdbarch_bfd_arch_info (current_gdbarch))
+#endif
+#endif
+
+extern int gdbarch_byte_order (struct gdbarch *gdbarch);
+/* set_gdbarch_byte_order() - not applicable - pre-initialized. */
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (TARGET_BYTE_ORDER)
+#define TARGET_BYTE_ORDER (gdbarch_byte_order (current_gdbarch))
+#endif
+#endif
+
+
+/* The following are initialized by the target dependant code. */
+
+/* Default (value) for non- multi-arch platforms. */
+#if (GDB_MULTI_ARCH == 0) && !defined (TARGET_BFD_VMA_BIT)
+#define TARGET_BFD_VMA_BIT (TARGET_ARCHITECTURE->bits_per_address)
+#endif
+
+extern int gdbarch_bfd_vma_bit (struct gdbarch *gdbarch);
+extern void set_gdbarch_bfd_vma_bit (struct gdbarch *gdbarch, int bfd_vma_bit);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (TARGET_BFD_VMA_BIT)
+#define TARGET_BFD_VMA_BIT (gdbarch_bfd_vma_bit (current_gdbarch))
+#endif
+#endif
+
+extern int gdbarch_ptr_bit (struct gdbarch *gdbarch);
+extern void set_gdbarch_ptr_bit (struct gdbarch *gdbarch, int ptr_bit);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (TARGET_PTR_BIT)
+#define TARGET_PTR_BIT (gdbarch_ptr_bit (current_gdbarch))
+#endif
+#endif
+
+extern int gdbarch_short_bit (struct gdbarch *gdbarch);
+extern void set_gdbarch_short_bit (struct gdbarch *gdbarch, int short_bit);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (TARGET_SHORT_BIT)
+#define TARGET_SHORT_BIT (gdbarch_short_bit (current_gdbarch))
+#endif
+#endif
+
+extern int gdbarch_int_bit (struct gdbarch *gdbarch);
+extern void set_gdbarch_int_bit (struct gdbarch *gdbarch, int int_bit);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (TARGET_INT_BIT)
+#define TARGET_INT_BIT (gdbarch_int_bit (current_gdbarch))
+#endif
+#endif
+
+extern int gdbarch_long_bit (struct gdbarch *gdbarch);
+extern void set_gdbarch_long_bit (struct gdbarch *gdbarch, int long_bit);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (TARGET_LONG_BIT)
+#define TARGET_LONG_BIT (gdbarch_long_bit (current_gdbarch))
+#endif
+#endif
+
+extern int gdbarch_long_long_bit (struct gdbarch *gdbarch);
+extern void set_gdbarch_long_long_bit (struct gdbarch *gdbarch, int long_long_bit);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (TARGET_LONG_LONG_BIT)
+#define TARGET_LONG_LONG_BIT (gdbarch_long_long_bit (current_gdbarch))
+#endif
+#endif
+
+extern int gdbarch_float_bit (struct gdbarch *gdbarch);
+extern void set_gdbarch_float_bit (struct gdbarch *gdbarch, int float_bit);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (TARGET_FLOAT_BIT)
+#define TARGET_FLOAT_BIT (gdbarch_float_bit (current_gdbarch))
+#endif
+#endif
+
+extern int gdbarch_double_bit (struct gdbarch *gdbarch);
+extern void set_gdbarch_double_bit (struct gdbarch *gdbarch, int double_bit);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (TARGET_DOUBLE_BIT)
+#define TARGET_DOUBLE_BIT (gdbarch_double_bit (current_gdbarch))
+#endif
+#endif
+
+extern int gdbarch_long_double_bit (struct gdbarch *gdbarch);
+extern void set_gdbarch_long_double_bit (struct gdbarch *gdbarch, int long_double_bit);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (TARGET_LONG_DOUBLE_BIT)
+#define TARGET_LONG_DOUBLE_BIT (gdbarch_long_double_bit (current_gdbarch))
+#endif
+#endif
+
+/* Default (value) for non- multi-arch platforms. */
+#if (GDB_MULTI_ARCH == 0) && !defined (IEEE_FLOAT)
+#define IEEE_FLOAT (0)
+#endif
+
+extern int gdbarch_ieee_float (struct gdbarch *gdbarch);
+extern void set_gdbarch_ieee_float (struct gdbarch *gdbarch, int ieee_float);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (IEEE_FLOAT)
+#define IEEE_FLOAT (gdbarch_ieee_float (current_gdbarch))
+#endif
+#endif
+
+typedef CORE_ADDR (gdbarch_read_pc_ftype) (int pid);
+extern CORE_ADDR gdbarch_read_pc (struct gdbarch *gdbarch, int pid);
+extern void set_gdbarch_read_pc (struct gdbarch *gdbarch, gdbarch_read_pc_ftype *read_pc);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (TARGET_READ_PC)
+#define TARGET_READ_PC(pid) (gdbarch_read_pc (current_gdbarch, pid))
+#endif
+#endif
+
+typedef void (gdbarch_write_pc_ftype) (CORE_ADDR val, int pid);
+extern void gdbarch_write_pc (struct gdbarch *gdbarch, CORE_ADDR val, int pid);
+extern void set_gdbarch_write_pc (struct gdbarch *gdbarch, gdbarch_write_pc_ftype *write_pc);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (TARGET_WRITE_PC)
+#define TARGET_WRITE_PC(val, pid) (gdbarch_write_pc (current_gdbarch, val, pid))
+#endif
+#endif
+
+typedef CORE_ADDR (gdbarch_read_fp_ftype) (void);
+extern CORE_ADDR gdbarch_read_fp (struct gdbarch *gdbarch);
+extern void set_gdbarch_read_fp (struct gdbarch *gdbarch, gdbarch_read_fp_ftype *read_fp);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (TARGET_READ_FP)
+#define TARGET_READ_FP() (gdbarch_read_fp (current_gdbarch))
+#endif
+#endif
+
+typedef void (gdbarch_write_fp_ftype) (CORE_ADDR val);
+extern void gdbarch_write_fp (struct gdbarch *gdbarch, CORE_ADDR val);
+extern void set_gdbarch_write_fp (struct gdbarch *gdbarch, gdbarch_write_fp_ftype *write_fp);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (TARGET_WRITE_FP)
+#define TARGET_WRITE_FP(val) (gdbarch_write_fp (current_gdbarch, val))
+#endif
+#endif
+
+typedef CORE_ADDR (gdbarch_read_sp_ftype) (void);
+extern CORE_ADDR gdbarch_read_sp (struct gdbarch *gdbarch);
+extern void set_gdbarch_read_sp (struct gdbarch *gdbarch, gdbarch_read_sp_ftype *read_sp);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (TARGET_READ_SP)
+#define TARGET_READ_SP() (gdbarch_read_sp (current_gdbarch))
+#endif
+#endif
+
+typedef void (gdbarch_write_sp_ftype) (CORE_ADDR val);
+extern void gdbarch_write_sp (struct gdbarch *gdbarch, CORE_ADDR val);
+extern void set_gdbarch_write_sp (struct gdbarch *gdbarch, gdbarch_write_sp_ftype *write_sp);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (TARGET_WRITE_SP)
+#define TARGET_WRITE_SP(val) (gdbarch_write_sp (current_gdbarch, val))
+#endif
+#endif
+
+extern int gdbarch_num_regs (struct gdbarch *gdbarch);
+extern void set_gdbarch_num_regs (struct gdbarch *gdbarch, int num_regs);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (NUM_REGS)
+#define NUM_REGS (gdbarch_num_regs (current_gdbarch))
+#endif
+#endif
+
+extern int gdbarch_sp_regnum (struct gdbarch *gdbarch);
+extern void set_gdbarch_sp_regnum (struct gdbarch *gdbarch, int sp_regnum);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (SP_REGNUM)
+#define SP_REGNUM (gdbarch_sp_regnum (current_gdbarch))
+#endif
+#endif
+
+extern int gdbarch_fp_regnum (struct gdbarch *gdbarch);
+extern void set_gdbarch_fp_regnum (struct gdbarch *gdbarch, int fp_regnum);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (FP_REGNUM)
+#define FP_REGNUM (gdbarch_fp_regnum (current_gdbarch))
+#endif
+#endif
+
+extern int gdbarch_pc_regnum (struct gdbarch *gdbarch);
+extern void set_gdbarch_pc_regnum (struct gdbarch *gdbarch, int pc_regnum);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (PC_REGNUM)
+#define PC_REGNUM (gdbarch_pc_regnum (current_gdbarch))
+#endif
+#endif
+
+/* Default (value) for non- multi-arch platforms. */
+#if (GDB_MULTI_ARCH == 0) && !defined (FP0_REGNUM)
+#define FP0_REGNUM (-1)
+#endif
+
+extern int gdbarch_fp0_regnum (struct gdbarch *gdbarch);
+extern void set_gdbarch_fp0_regnum (struct gdbarch *gdbarch, int fp0_regnum);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (FP0_REGNUM)
+#define FP0_REGNUM (gdbarch_fp0_regnum (current_gdbarch))
+#endif
+#endif
+
+/* Default (value) for non- multi-arch platforms. */
+#if (GDB_MULTI_ARCH == 0) && !defined (NPC_REGNUM)
+#define NPC_REGNUM (-1)
+#endif
+
+extern int gdbarch_npc_regnum (struct gdbarch *gdbarch);
+extern void set_gdbarch_npc_regnum (struct gdbarch *gdbarch, int npc_regnum);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (NPC_REGNUM)
+#define NPC_REGNUM (gdbarch_npc_regnum (current_gdbarch))
+#endif
+#endif
+
+/* Default (value) for non- multi-arch platforms. */
+#if (GDB_MULTI_ARCH == 0) && !defined (NNPC_REGNUM)
+#define NNPC_REGNUM (-1)
+#endif
+
+extern int gdbarch_nnpc_regnum (struct gdbarch *gdbarch);
+extern void set_gdbarch_nnpc_regnum (struct gdbarch *gdbarch, int nnpc_regnum);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (NNPC_REGNUM)
+#define NNPC_REGNUM (gdbarch_nnpc_regnum (current_gdbarch))
+#endif
+#endif
+
+/* Default (function) for non- multi-arch platforms. */
+#if (GDB_MULTI_ARCH == 0) && !defined (REGISTER_NAME)
+#define REGISTER_NAME(regnr) (legacy_register_name (regnr))
+#endif
+
+typedef char * (gdbarch_register_name_ftype) (int regnr);
+extern char * gdbarch_register_name (struct gdbarch *gdbarch, int regnr);
+extern void set_gdbarch_register_name (struct gdbarch *gdbarch, gdbarch_register_name_ftype *register_name);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (REGISTER_NAME)
+#define REGISTER_NAME(regnr) (gdbarch_register_name (current_gdbarch, regnr))
+#endif
+#endif
+
+extern int gdbarch_register_size (struct gdbarch *gdbarch);
+extern void set_gdbarch_register_size (struct gdbarch *gdbarch, int register_size);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (REGISTER_SIZE)
+#define REGISTER_SIZE (gdbarch_register_size (current_gdbarch))
+#endif
+#endif
+
+extern int gdbarch_register_bytes (struct gdbarch *gdbarch);
+extern void set_gdbarch_register_bytes (struct gdbarch *gdbarch, int register_bytes);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (REGISTER_BYTES)
+#define REGISTER_BYTES (gdbarch_register_bytes (current_gdbarch))
+#endif
+#endif
+
+typedef int (gdbarch_register_byte_ftype) (int reg_nr);
+extern int gdbarch_register_byte (struct gdbarch *gdbarch, int reg_nr);
+extern void set_gdbarch_register_byte (struct gdbarch *gdbarch, gdbarch_register_byte_ftype *register_byte);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (REGISTER_BYTE)
+#define REGISTER_BYTE(reg_nr) (gdbarch_register_byte (current_gdbarch, reg_nr))
+#endif
+#endif
+
+typedef int (gdbarch_register_raw_size_ftype) (int reg_nr);
+extern int gdbarch_register_raw_size (struct gdbarch *gdbarch, int reg_nr);
+extern void set_gdbarch_register_raw_size (struct gdbarch *gdbarch, gdbarch_register_raw_size_ftype *register_raw_size);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (REGISTER_RAW_SIZE)
+#define REGISTER_RAW_SIZE(reg_nr) (gdbarch_register_raw_size (current_gdbarch, reg_nr))
+#endif
+#endif
+
+extern int gdbarch_max_register_raw_size (struct gdbarch *gdbarch);
+extern void set_gdbarch_max_register_raw_size (struct gdbarch *gdbarch, int max_register_raw_size);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (MAX_REGISTER_RAW_SIZE)
+#define MAX_REGISTER_RAW_SIZE (gdbarch_max_register_raw_size (current_gdbarch))
+#endif
+#endif
+
+typedef int (gdbarch_register_virtual_size_ftype) (int reg_nr);
+extern int gdbarch_register_virtual_size (struct gdbarch *gdbarch, int reg_nr);
+extern void set_gdbarch_register_virtual_size (struct gdbarch *gdbarch, gdbarch_register_virtual_size_ftype *register_virtual_size);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (REGISTER_VIRTUAL_SIZE)
+#define REGISTER_VIRTUAL_SIZE(reg_nr) (gdbarch_register_virtual_size (current_gdbarch, reg_nr))
+#endif
+#endif
+
+extern int gdbarch_max_register_virtual_size (struct gdbarch *gdbarch);
+extern void set_gdbarch_max_register_virtual_size (struct gdbarch *gdbarch, int max_register_virtual_size);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (MAX_REGISTER_VIRTUAL_SIZE)
+#define MAX_REGISTER_VIRTUAL_SIZE (gdbarch_max_register_virtual_size (current_gdbarch))
+#endif
+#endif
+
+typedef struct type * (gdbarch_register_virtual_type_ftype) (int reg_nr);
+extern struct type * gdbarch_register_virtual_type (struct gdbarch *gdbarch, int reg_nr);
+extern void set_gdbarch_register_virtual_type (struct gdbarch *gdbarch, gdbarch_register_virtual_type_ftype *register_virtual_type);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (REGISTER_VIRTUAL_TYPE)
+#define REGISTER_VIRTUAL_TYPE(reg_nr) (gdbarch_register_virtual_type (current_gdbarch, reg_nr))
+#endif
+#endif
+
+extern int gdbarch_use_generic_dummy_frames (struct gdbarch *gdbarch);
+extern void set_gdbarch_use_generic_dummy_frames (struct gdbarch *gdbarch, int use_generic_dummy_frames);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (USE_GENERIC_DUMMY_FRAMES)
+#define USE_GENERIC_DUMMY_FRAMES (gdbarch_use_generic_dummy_frames (current_gdbarch))
+#endif
+#endif
+
+extern int gdbarch_call_dummy_location (struct gdbarch *gdbarch);
+extern void set_gdbarch_call_dummy_location (struct gdbarch *gdbarch, int call_dummy_location);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (CALL_DUMMY_LOCATION)
+#define CALL_DUMMY_LOCATION (gdbarch_call_dummy_location (current_gdbarch))
+#endif
+#endif
+
+typedef CORE_ADDR (gdbarch_call_dummy_address_ftype) (void);
+extern CORE_ADDR gdbarch_call_dummy_address (struct gdbarch *gdbarch);
+extern void set_gdbarch_call_dummy_address (struct gdbarch *gdbarch, gdbarch_call_dummy_address_ftype *call_dummy_address);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (CALL_DUMMY_ADDRESS)
+#define CALL_DUMMY_ADDRESS() (gdbarch_call_dummy_address (current_gdbarch))
+#endif
+#endif
+
+extern CORE_ADDR gdbarch_call_dummy_start_offset (struct gdbarch *gdbarch);
+extern void set_gdbarch_call_dummy_start_offset (struct gdbarch *gdbarch, CORE_ADDR call_dummy_start_offset);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (CALL_DUMMY_START_OFFSET)
+#define CALL_DUMMY_START_OFFSET (gdbarch_call_dummy_start_offset (current_gdbarch))
+#endif
+#endif
+
+extern CORE_ADDR gdbarch_call_dummy_breakpoint_offset (struct gdbarch *gdbarch);
+extern void set_gdbarch_call_dummy_breakpoint_offset (struct gdbarch *gdbarch, CORE_ADDR call_dummy_breakpoint_offset);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (CALL_DUMMY_BREAKPOINT_OFFSET)
+#define CALL_DUMMY_BREAKPOINT_OFFSET (gdbarch_call_dummy_breakpoint_offset (current_gdbarch))
+#endif
+#endif
+
+extern int gdbarch_call_dummy_breakpoint_offset_p (struct gdbarch *gdbarch);
+extern void set_gdbarch_call_dummy_breakpoint_offset_p (struct gdbarch *gdbarch, int call_dummy_breakpoint_offset_p);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (CALL_DUMMY_BREAKPOINT_OFFSET_P)
+#define CALL_DUMMY_BREAKPOINT_OFFSET_P (gdbarch_call_dummy_breakpoint_offset_p (current_gdbarch))
+#endif
+#endif
+
+extern int gdbarch_call_dummy_length (struct gdbarch *gdbarch);
+extern void set_gdbarch_call_dummy_length (struct gdbarch *gdbarch, int call_dummy_length);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (CALL_DUMMY_LENGTH)
+#define CALL_DUMMY_LENGTH (gdbarch_call_dummy_length (current_gdbarch))
+#endif
+#endif
+
+typedef int (gdbarch_pc_in_call_dummy_ftype) (CORE_ADDR pc, CORE_ADDR sp, CORE_ADDR frame_address);
+extern int gdbarch_pc_in_call_dummy (struct gdbarch *gdbarch, CORE_ADDR pc, CORE_ADDR sp, CORE_ADDR frame_address);
+extern void set_gdbarch_pc_in_call_dummy (struct gdbarch *gdbarch, gdbarch_pc_in_call_dummy_ftype *pc_in_call_dummy);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (PC_IN_CALL_DUMMY)
+#define PC_IN_CALL_DUMMY(pc, sp, frame_address) (gdbarch_pc_in_call_dummy (current_gdbarch, pc, sp, frame_address))
+#endif
+#endif
+
+extern int gdbarch_call_dummy_p (struct gdbarch *gdbarch);
+extern void set_gdbarch_call_dummy_p (struct gdbarch *gdbarch, int call_dummy_p);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (CALL_DUMMY_P)
+#define CALL_DUMMY_P (gdbarch_call_dummy_p (current_gdbarch))
+#endif
+#endif
+
+/* Default (value) for non- multi-arch platforms. */
+#if (GDB_MULTI_ARCH == 0) && !defined (CALL_DUMMY_WORDS)
+#define CALL_DUMMY_WORDS (legacy_call_dummy_words)
+#endif
+
+extern LONGEST * gdbarch_call_dummy_words (struct gdbarch *gdbarch);
+extern void set_gdbarch_call_dummy_words (struct gdbarch *gdbarch, LONGEST * call_dummy_words);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (CALL_DUMMY_WORDS)
+#define CALL_DUMMY_WORDS (gdbarch_call_dummy_words (current_gdbarch))
+#endif
+#endif
+
+/* Default (value) for non- multi-arch platforms. */
+#if (GDB_MULTI_ARCH == 0) && !defined (SIZEOF_CALL_DUMMY_WORDS)
+#define SIZEOF_CALL_DUMMY_WORDS (legacy_sizeof_call_dummy_words)
+#endif
+
+extern int gdbarch_sizeof_call_dummy_words (struct gdbarch *gdbarch);
+extern void set_gdbarch_sizeof_call_dummy_words (struct gdbarch *gdbarch, int sizeof_call_dummy_words);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (SIZEOF_CALL_DUMMY_WORDS)
+#define SIZEOF_CALL_DUMMY_WORDS (gdbarch_sizeof_call_dummy_words (current_gdbarch))
+#endif
+#endif
+
+extern int gdbarch_call_dummy_stack_adjust_p (struct gdbarch *gdbarch);
+extern void set_gdbarch_call_dummy_stack_adjust_p (struct gdbarch *gdbarch, int call_dummy_stack_adjust_p);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (CALL_DUMMY_STACK_ADJUST_P)
+#define CALL_DUMMY_STACK_ADJUST_P (gdbarch_call_dummy_stack_adjust_p (current_gdbarch))
+#endif
+#endif
+
+extern int gdbarch_call_dummy_stack_adjust (struct gdbarch *gdbarch);
+extern void set_gdbarch_call_dummy_stack_adjust (struct gdbarch *gdbarch, int call_dummy_stack_adjust);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (CALL_DUMMY_STACK_ADJUST)
+#define CALL_DUMMY_STACK_ADJUST (gdbarch_call_dummy_stack_adjust (current_gdbarch))
+#endif
+#endif
+
+typedef void (gdbarch_fix_call_dummy_ftype) (char *dummy, CORE_ADDR pc, CORE_ADDR fun, int nargs, struct value **args, struct type *type, int gcc_p);
+extern void gdbarch_fix_call_dummy (struct gdbarch *gdbarch, char *dummy, CORE_ADDR pc, CORE_ADDR fun, int nargs, struct value **args, struct type *type, int gcc_p);
+extern void set_gdbarch_fix_call_dummy (struct gdbarch *gdbarch, gdbarch_fix_call_dummy_ftype *fix_call_dummy);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (FIX_CALL_DUMMY)
+#define FIX_CALL_DUMMY(dummy, pc, fun, nargs, args, type, gcc_p) (gdbarch_fix_call_dummy (current_gdbarch, dummy, pc, fun, nargs, args, type, gcc_p))
+#endif
+#endif
+
+extern int gdbarch_believe_pcc_promotion (struct gdbarch *gdbarch);
+extern void set_gdbarch_believe_pcc_promotion (struct gdbarch *gdbarch, int believe_pcc_promotion);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (BELIEVE_PCC_PROMOTION)
+#define BELIEVE_PCC_PROMOTION (gdbarch_believe_pcc_promotion (current_gdbarch))
+#endif
+#endif
+
+extern int gdbarch_believe_pcc_promotion_type (struct gdbarch *gdbarch);
+extern void set_gdbarch_believe_pcc_promotion_type (struct gdbarch *gdbarch, int believe_pcc_promotion_type);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (BELIEVE_PCC_PROMOTION_TYPE)
+#define BELIEVE_PCC_PROMOTION_TYPE (gdbarch_believe_pcc_promotion_type (current_gdbarch))
+#endif
+#endif
+
+/* Default (function) for non- multi-arch platforms. */
+#if (GDB_MULTI_ARCH == 0) && !defined (COERCE_FLOAT_TO_DOUBLE)
+#define COERCE_FLOAT_TO_DOUBLE(formal, actual) (default_coerce_float_to_double (formal, actual))
+#endif
+
+typedef int (gdbarch_coerce_float_to_double_ftype) (struct type *formal, struct type *actual);
+extern int gdbarch_coerce_float_to_double (struct gdbarch *gdbarch, struct type *formal, struct type *actual);
+extern void set_gdbarch_coerce_float_to_double (struct gdbarch *gdbarch, gdbarch_coerce_float_to_double_ftype *coerce_float_to_double);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (COERCE_FLOAT_TO_DOUBLE)
+#define COERCE_FLOAT_TO_DOUBLE(formal, actual) (gdbarch_coerce_float_to_double (current_gdbarch, formal, actual))
+#endif
+#endif
+
+typedef void (gdbarch_get_saved_register_ftype) (char *raw_buffer, int *optimized, CORE_ADDR *addrp, struct frame_info *frame, int regnum, enum lval_type *lval);
+extern void gdbarch_get_saved_register (struct gdbarch *gdbarch, char *raw_buffer, int *optimized, CORE_ADDR *addrp, struct frame_info *frame, int regnum, enum lval_type *lval);
+extern void set_gdbarch_get_saved_register (struct gdbarch *gdbarch, gdbarch_get_saved_register_ftype *get_saved_register);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (GET_SAVED_REGISTER)
+#define GET_SAVED_REGISTER(raw_buffer, optimized, addrp, frame, regnum, lval) (gdbarch_get_saved_register (current_gdbarch, raw_buffer, optimized, addrp, frame, regnum, lval))
+#endif
+#endif
+
+/* Default (function) for non- multi-arch platforms. */
+#if (GDB_MULTI_ARCH == 0) && !defined (REGISTER_CONVERTIBLE)
+#define REGISTER_CONVERTIBLE(nr) (generic_register_convertible_not (nr))
+#endif
+
+typedef int (gdbarch_register_convertible_ftype) (int nr);
+extern int gdbarch_register_convertible (struct gdbarch *gdbarch, int nr);
+extern void set_gdbarch_register_convertible (struct gdbarch *gdbarch, gdbarch_register_convertible_ftype *register_convertible);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (REGISTER_CONVERTIBLE)
+#define REGISTER_CONVERTIBLE(nr) (gdbarch_register_convertible (current_gdbarch, nr))
+#endif
+#endif
+
+/* Default (function) for non- multi-arch platforms. */
+#if (GDB_MULTI_ARCH == 0) && !defined (REGISTER_CONVERT_TO_VIRTUAL)
+#define REGISTER_CONVERT_TO_VIRTUAL(regnum, type, from, to) (internal_error ("REGISTER_CONVERT_TO_VIRTUAL"), 0)
+#endif
+
+typedef void (gdbarch_register_convert_to_virtual_ftype) (int regnum, struct type *type, char *from, char *to);
+extern void gdbarch_register_convert_to_virtual (struct gdbarch *gdbarch, int regnum, struct type *type, char *from, char *to);
+extern void set_gdbarch_register_convert_to_virtual (struct gdbarch *gdbarch, gdbarch_register_convert_to_virtual_ftype *register_convert_to_virtual);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (REGISTER_CONVERT_TO_VIRTUAL)
+#define REGISTER_CONVERT_TO_VIRTUAL(regnum, type, from, to) (gdbarch_register_convert_to_virtual (current_gdbarch, regnum, type, from, to))
+#endif
+#endif
+
+/* Default (function) for non- multi-arch platforms. */
+#if (GDB_MULTI_ARCH == 0) && !defined (REGISTER_CONVERT_TO_RAW)
+#define REGISTER_CONVERT_TO_RAW(type, regnum, from, to) (internal_error ("REGISTER_CONVERT_TO_RAW"), 0)
+#endif
+
+typedef void (gdbarch_register_convert_to_raw_ftype) (struct type *type, int regnum, char *from, char *to);
+extern void gdbarch_register_convert_to_raw (struct gdbarch *gdbarch, struct type *type, int regnum, char *from, char *to);
+extern void set_gdbarch_register_convert_to_raw (struct gdbarch *gdbarch, gdbarch_register_convert_to_raw_ftype *register_convert_to_raw);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (REGISTER_CONVERT_TO_RAW)
+#define REGISTER_CONVERT_TO_RAW(type, regnum, from, to) (gdbarch_register_convert_to_raw (current_gdbarch, type, regnum, from, to))
+#endif
+#endif
+
+/* Default (function) for non- multi-arch platforms. */
+#if (GDB_MULTI_ARCH == 0) && !defined (POINTER_TO_ADDRESS)
+#define POINTER_TO_ADDRESS(type, buf) (unsigned_pointer_to_address (type, buf))
+#endif
+
+typedef CORE_ADDR (gdbarch_pointer_to_address_ftype) (struct type *type, void *buf);
+extern CORE_ADDR gdbarch_pointer_to_address (struct gdbarch *gdbarch, struct type *type, void *buf);
+extern void set_gdbarch_pointer_to_address (struct gdbarch *gdbarch, gdbarch_pointer_to_address_ftype *pointer_to_address);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (POINTER_TO_ADDRESS)
+#define POINTER_TO_ADDRESS(type, buf) (gdbarch_pointer_to_address (current_gdbarch, type, buf))
+#endif
+#endif
+
+/* Default (function) for non- multi-arch platforms. */
+#if (GDB_MULTI_ARCH == 0) && !defined (ADDRESS_TO_POINTER)
+#define ADDRESS_TO_POINTER(type, buf, addr) (unsigned_address_to_pointer (type, buf, addr))
+#endif
+
+typedef void (gdbarch_address_to_pointer_ftype) (struct type *type, void *buf, CORE_ADDR addr);
+extern void gdbarch_address_to_pointer (struct gdbarch *gdbarch, struct type *type, void *buf, CORE_ADDR addr);
+extern void set_gdbarch_address_to_pointer (struct gdbarch *gdbarch, gdbarch_address_to_pointer_ftype *address_to_pointer);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (ADDRESS_TO_POINTER)
+#define ADDRESS_TO_POINTER(type, buf, addr) (gdbarch_address_to_pointer (current_gdbarch, type, buf, addr))
+#endif
+#endif
+
+/* Default (function) for non- multi-arch platforms. */
+#if (GDB_MULTI_ARCH == 0) && !defined (RETURN_VALUE_ON_STACK)
+#define RETURN_VALUE_ON_STACK(type) (generic_return_value_on_stack_not (type))
+#endif
+
+typedef int (gdbarch_return_value_on_stack_ftype) (struct type *type);
+extern int gdbarch_return_value_on_stack (struct gdbarch *gdbarch, struct type *type);
+extern void set_gdbarch_return_value_on_stack (struct gdbarch *gdbarch, gdbarch_return_value_on_stack_ftype *return_value_on_stack);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (RETURN_VALUE_ON_STACK)
+#define RETURN_VALUE_ON_STACK(type) (gdbarch_return_value_on_stack (current_gdbarch, type))
+#endif
+#endif
+
+typedef void (gdbarch_extract_return_value_ftype) (struct type *type, char *regbuf, char *valbuf);
+extern void gdbarch_extract_return_value (struct gdbarch *gdbarch, struct type *type, char *regbuf, char *valbuf);
+extern void set_gdbarch_extract_return_value (struct gdbarch *gdbarch, gdbarch_extract_return_value_ftype *extract_return_value);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (EXTRACT_RETURN_VALUE)
+#define EXTRACT_RETURN_VALUE(type, regbuf, valbuf) (gdbarch_extract_return_value (current_gdbarch, type, regbuf, valbuf))
+#endif
+#endif
+
+typedef CORE_ADDR (gdbarch_push_arguments_ftype) (int nargs, struct value **args, CORE_ADDR sp, int struct_return, CORE_ADDR struct_addr);
+extern CORE_ADDR gdbarch_push_arguments (struct gdbarch *gdbarch, int nargs, struct value **args, CORE_ADDR sp, int struct_return, CORE_ADDR struct_addr);
+extern void set_gdbarch_push_arguments (struct gdbarch *gdbarch, gdbarch_push_arguments_ftype *push_arguments);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (PUSH_ARGUMENTS)
+#define PUSH_ARGUMENTS(nargs, args, sp, struct_return, struct_addr) (gdbarch_push_arguments (current_gdbarch, nargs, args, sp, struct_return, struct_addr))
+#endif
+#endif
+
+typedef void (gdbarch_push_dummy_frame_ftype) (void);
+extern void gdbarch_push_dummy_frame (struct gdbarch *gdbarch);
+extern void set_gdbarch_push_dummy_frame (struct gdbarch *gdbarch, gdbarch_push_dummy_frame_ftype *push_dummy_frame);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (PUSH_DUMMY_FRAME)
+#define PUSH_DUMMY_FRAME (gdbarch_push_dummy_frame (current_gdbarch))
+#endif
+#endif
+
+typedef CORE_ADDR (gdbarch_push_return_address_ftype) (CORE_ADDR pc, CORE_ADDR sp);
+extern CORE_ADDR gdbarch_push_return_address (struct gdbarch *gdbarch, CORE_ADDR pc, CORE_ADDR sp);
+extern void set_gdbarch_push_return_address (struct gdbarch *gdbarch, gdbarch_push_return_address_ftype *push_return_address);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (PUSH_RETURN_ADDRESS)
+#define PUSH_RETURN_ADDRESS(pc, sp) (gdbarch_push_return_address (current_gdbarch, pc, sp))
+#endif
+#endif
+
+typedef void (gdbarch_pop_frame_ftype) (void);
+extern void gdbarch_pop_frame (struct gdbarch *gdbarch);
+extern void set_gdbarch_pop_frame (struct gdbarch *gdbarch, gdbarch_pop_frame_ftype *pop_frame);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (POP_FRAME)
+#define POP_FRAME (gdbarch_pop_frame (current_gdbarch))
+#endif
+#endif
+
+/* Default (function) for non- multi-arch platforms. */
+#if (GDB_MULTI_ARCH == 0) && !defined (D10V_MAKE_DADDR)
+#define D10V_MAKE_DADDR(x) (internal_error ("D10V_MAKE_DADDR"), 0)
+#endif
+
+typedef CORE_ADDR (gdbarch_d10v_make_daddr_ftype) (CORE_ADDR x);
+extern CORE_ADDR gdbarch_d10v_make_daddr (struct gdbarch *gdbarch, CORE_ADDR x);
+extern void set_gdbarch_d10v_make_daddr (struct gdbarch *gdbarch, gdbarch_d10v_make_daddr_ftype *d10v_make_daddr);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (D10V_MAKE_DADDR)
+#define D10V_MAKE_DADDR(x) (gdbarch_d10v_make_daddr (current_gdbarch, x))
+#endif
+#endif
+
+/* Default (function) for non- multi-arch platforms. */
+#if (GDB_MULTI_ARCH == 0) && !defined (D10V_MAKE_IADDR)
+#define D10V_MAKE_IADDR(x) (internal_error ("D10V_MAKE_IADDR"), 0)
+#endif
+
+typedef CORE_ADDR (gdbarch_d10v_make_iaddr_ftype) (CORE_ADDR x);
+extern CORE_ADDR gdbarch_d10v_make_iaddr (struct gdbarch *gdbarch, CORE_ADDR x);
+extern void set_gdbarch_d10v_make_iaddr (struct gdbarch *gdbarch, gdbarch_d10v_make_iaddr_ftype *d10v_make_iaddr);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (D10V_MAKE_IADDR)
+#define D10V_MAKE_IADDR(x) (gdbarch_d10v_make_iaddr (current_gdbarch, x))
+#endif
+#endif
+
+/* Default (function) for non- multi-arch platforms. */
+#if (GDB_MULTI_ARCH == 0) && !defined (D10V_DADDR_P)
+#define D10V_DADDR_P(x) (internal_error ("D10V_DADDR_P"), 0)
+#endif
+
+typedef int (gdbarch_d10v_daddr_p_ftype) (CORE_ADDR x);
+extern int gdbarch_d10v_daddr_p (struct gdbarch *gdbarch, CORE_ADDR x);
+extern void set_gdbarch_d10v_daddr_p (struct gdbarch *gdbarch, gdbarch_d10v_daddr_p_ftype *d10v_daddr_p);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (D10V_DADDR_P)
+#define D10V_DADDR_P(x) (gdbarch_d10v_daddr_p (current_gdbarch, x))
+#endif
+#endif
+
+/* Default (function) for non- multi-arch platforms. */
+#if (GDB_MULTI_ARCH == 0) && !defined (D10V_IADDR_P)
+#define D10V_IADDR_P(x) (internal_error ("D10V_IADDR_P"), 0)
+#endif
+
+typedef int (gdbarch_d10v_iaddr_p_ftype) (CORE_ADDR x);
+extern int gdbarch_d10v_iaddr_p (struct gdbarch *gdbarch, CORE_ADDR x);
+extern void set_gdbarch_d10v_iaddr_p (struct gdbarch *gdbarch, gdbarch_d10v_iaddr_p_ftype *d10v_iaddr_p);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (D10V_IADDR_P)
+#define D10V_IADDR_P(x) (gdbarch_d10v_iaddr_p (current_gdbarch, x))
+#endif
+#endif
+
+/* Default (function) for non- multi-arch platforms. */
+#if (GDB_MULTI_ARCH == 0) && !defined (D10V_CONVERT_DADDR_TO_RAW)
+#define D10V_CONVERT_DADDR_TO_RAW(x) (internal_error ("D10V_CONVERT_DADDR_TO_RAW"), 0)
+#endif
+
+typedef CORE_ADDR (gdbarch_d10v_convert_daddr_to_raw_ftype) (CORE_ADDR x);
+extern CORE_ADDR gdbarch_d10v_convert_daddr_to_raw (struct gdbarch *gdbarch, CORE_ADDR x);
+extern void set_gdbarch_d10v_convert_daddr_to_raw (struct gdbarch *gdbarch, gdbarch_d10v_convert_daddr_to_raw_ftype *d10v_convert_daddr_to_raw);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (D10V_CONVERT_DADDR_TO_RAW)
+#define D10V_CONVERT_DADDR_TO_RAW(x) (gdbarch_d10v_convert_daddr_to_raw (current_gdbarch, x))
+#endif
+#endif
+
+/* Default (function) for non- multi-arch platforms. */
+#if (GDB_MULTI_ARCH == 0) && !defined (D10V_CONVERT_IADDR_TO_RAW)
+#define D10V_CONVERT_IADDR_TO_RAW(x) (internal_error ("D10V_CONVERT_IADDR_TO_RAW"), 0)
+#endif
+
+typedef CORE_ADDR (gdbarch_d10v_convert_iaddr_to_raw_ftype) (CORE_ADDR x);
+extern CORE_ADDR gdbarch_d10v_convert_iaddr_to_raw (struct gdbarch *gdbarch, CORE_ADDR x);
+extern void set_gdbarch_d10v_convert_iaddr_to_raw (struct gdbarch *gdbarch, gdbarch_d10v_convert_iaddr_to_raw_ftype *d10v_convert_iaddr_to_raw);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (D10V_CONVERT_IADDR_TO_RAW)
+#define D10V_CONVERT_IADDR_TO_RAW(x) (gdbarch_d10v_convert_iaddr_to_raw (current_gdbarch, x))
+#endif
+#endif
+
+typedef void (gdbarch_store_struct_return_ftype) (CORE_ADDR addr, CORE_ADDR sp);
+extern void gdbarch_store_struct_return (struct gdbarch *gdbarch, CORE_ADDR addr, CORE_ADDR sp);
+extern void set_gdbarch_store_struct_return (struct gdbarch *gdbarch, gdbarch_store_struct_return_ftype *store_struct_return);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (STORE_STRUCT_RETURN)
+#define STORE_STRUCT_RETURN(addr, sp) (gdbarch_store_struct_return (current_gdbarch, addr, sp))
+#endif
+#endif
+
+typedef void (gdbarch_store_return_value_ftype) (struct type *type, char *valbuf);
+extern void gdbarch_store_return_value (struct gdbarch *gdbarch, struct type *type, char *valbuf);
+extern void set_gdbarch_store_return_value (struct gdbarch *gdbarch, gdbarch_store_return_value_ftype *store_return_value);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (STORE_RETURN_VALUE)
+#define STORE_RETURN_VALUE(type, valbuf) (gdbarch_store_return_value (current_gdbarch, type, valbuf))
+#endif
+#endif
+
+typedef CORE_ADDR (gdbarch_extract_struct_value_address_ftype) (char *regbuf);
+extern CORE_ADDR gdbarch_extract_struct_value_address (struct gdbarch *gdbarch, char *regbuf);
+extern void set_gdbarch_extract_struct_value_address (struct gdbarch *gdbarch, gdbarch_extract_struct_value_address_ftype *extract_struct_value_address);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (EXTRACT_STRUCT_VALUE_ADDRESS)
+#define EXTRACT_STRUCT_VALUE_ADDRESS(regbuf) (gdbarch_extract_struct_value_address (current_gdbarch, regbuf))
+#endif
+#endif
+
+typedef int (gdbarch_use_struct_convention_ftype) (int gcc_p, struct type *value_type);
+extern int gdbarch_use_struct_convention (struct gdbarch *gdbarch, int gcc_p, struct type *value_type);
+extern void set_gdbarch_use_struct_convention (struct gdbarch *gdbarch, gdbarch_use_struct_convention_ftype *use_struct_convention);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (USE_STRUCT_CONVENTION)
+#define USE_STRUCT_CONVENTION(gcc_p, value_type) (gdbarch_use_struct_convention (current_gdbarch, gcc_p, value_type))
+#endif
+#endif
+
+typedef void (gdbarch_frame_init_saved_regs_ftype) (struct frame_info *frame);
+extern void gdbarch_frame_init_saved_regs (struct gdbarch *gdbarch, struct frame_info *frame);
+extern void set_gdbarch_frame_init_saved_regs (struct gdbarch *gdbarch, gdbarch_frame_init_saved_regs_ftype *frame_init_saved_regs);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (FRAME_INIT_SAVED_REGS)
+#define FRAME_INIT_SAVED_REGS(frame) (gdbarch_frame_init_saved_regs (current_gdbarch, frame))
+#endif
+#endif
+
+typedef void (gdbarch_init_extra_frame_info_ftype) (int fromleaf, struct frame_info *frame);
+extern void gdbarch_init_extra_frame_info (struct gdbarch *gdbarch, int fromleaf, struct frame_info *frame);
+extern void set_gdbarch_init_extra_frame_info (struct gdbarch *gdbarch, gdbarch_init_extra_frame_info_ftype *init_extra_frame_info);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (INIT_EXTRA_FRAME_INFO)
+#define INIT_EXTRA_FRAME_INFO(fromleaf, frame) (gdbarch_init_extra_frame_info (current_gdbarch, fromleaf, frame))
+#endif
+#endif
+
+typedef CORE_ADDR (gdbarch_skip_prologue_ftype) (CORE_ADDR ip);
+extern CORE_ADDR gdbarch_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR ip);
+extern void set_gdbarch_skip_prologue (struct gdbarch *gdbarch, gdbarch_skip_prologue_ftype *skip_prologue);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (SKIP_PROLOGUE)
+#define SKIP_PROLOGUE(ip) (gdbarch_skip_prologue (current_gdbarch, ip))
+#endif
+#endif
+
+/* Default (function) for non- multi-arch platforms. */
+#if (GDB_MULTI_ARCH == 0) && !defined (PROLOGUE_FRAMELESS_P)
+#define PROLOGUE_FRAMELESS_P(ip) (generic_prologue_frameless_p (ip))
+#endif
+
+typedef int (gdbarch_prologue_frameless_p_ftype) (CORE_ADDR ip);
+extern int gdbarch_prologue_frameless_p (struct gdbarch *gdbarch, CORE_ADDR ip);
+extern void set_gdbarch_prologue_frameless_p (struct gdbarch *gdbarch, gdbarch_prologue_frameless_p_ftype *prologue_frameless_p);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (PROLOGUE_FRAMELESS_P)
+#define PROLOGUE_FRAMELESS_P(ip) (gdbarch_prologue_frameless_p (current_gdbarch, ip))
+#endif
+#endif
+
+typedef int (gdbarch_inner_than_ftype) (CORE_ADDR lhs, CORE_ADDR rhs);
+extern int gdbarch_inner_than (struct gdbarch *gdbarch, CORE_ADDR lhs, CORE_ADDR rhs);
+extern void set_gdbarch_inner_than (struct gdbarch *gdbarch, gdbarch_inner_than_ftype *inner_than);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (INNER_THAN)
+#define INNER_THAN(lhs, rhs) (gdbarch_inner_than (current_gdbarch, lhs, rhs))
+#endif
+#endif
+
+/* Default (function) for non- multi-arch platforms. */
+#if (GDB_MULTI_ARCH == 0) && !defined (BREAKPOINT_FROM_PC)
+#define BREAKPOINT_FROM_PC(pcptr, lenptr) (legacy_breakpoint_from_pc (pcptr, lenptr))
+#endif
+
+typedef unsigned char * (gdbarch_breakpoint_from_pc_ftype) (CORE_ADDR *pcptr, int *lenptr);
+extern unsigned char * gdbarch_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *lenptr);
+extern void set_gdbarch_breakpoint_from_pc (struct gdbarch *gdbarch, gdbarch_breakpoint_from_pc_ftype *breakpoint_from_pc);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (BREAKPOINT_FROM_PC)
+#define BREAKPOINT_FROM_PC(pcptr, lenptr) (gdbarch_breakpoint_from_pc (current_gdbarch, pcptr, lenptr))
+#endif
+#endif
+
+/* Default (function) for non- multi-arch platforms. */
+#if (GDB_MULTI_ARCH == 0) && !defined (MEMORY_INSERT_BREAKPOINT)
+#define MEMORY_INSERT_BREAKPOINT(addr, contents_cache) (default_memory_insert_breakpoint (addr, contents_cache))
+#endif
+
+typedef int (gdbarch_memory_insert_breakpoint_ftype) (CORE_ADDR addr, char *contents_cache);
+extern int gdbarch_memory_insert_breakpoint (struct gdbarch *gdbarch, CORE_ADDR addr, char *contents_cache);
+extern void set_gdbarch_memory_insert_breakpoint (struct gdbarch *gdbarch, gdbarch_memory_insert_breakpoint_ftype *memory_insert_breakpoint);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (MEMORY_INSERT_BREAKPOINT)
+#define MEMORY_INSERT_BREAKPOINT(addr, contents_cache) (gdbarch_memory_insert_breakpoint (current_gdbarch, addr, contents_cache))
+#endif
+#endif
+
+/* Default (function) for non- multi-arch platforms. */
+#if (GDB_MULTI_ARCH == 0) && !defined (MEMORY_REMOVE_BREAKPOINT)
+#define MEMORY_REMOVE_BREAKPOINT(addr, contents_cache) (default_memory_remove_breakpoint (addr, contents_cache))
+#endif
+
+typedef int (gdbarch_memory_remove_breakpoint_ftype) (CORE_ADDR addr, char *contents_cache);
+extern int gdbarch_memory_remove_breakpoint (struct gdbarch *gdbarch, CORE_ADDR addr, char *contents_cache);
+extern void set_gdbarch_memory_remove_breakpoint (struct gdbarch *gdbarch, gdbarch_memory_remove_breakpoint_ftype *memory_remove_breakpoint);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (MEMORY_REMOVE_BREAKPOINT)
+#define MEMORY_REMOVE_BREAKPOINT(addr, contents_cache) (gdbarch_memory_remove_breakpoint (current_gdbarch, addr, contents_cache))
+#endif
+#endif
+
+extern CORE_ADDR gdbarch_decr_pc_after_break (struct gdbarch *gdbarch);
+extern void set_gdbarch_decr_pc_after_break (struct gdbarch *gdbarch, CORE_ADDR decr_pc_after_break);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (DECR_PC_AFTER_BREAK)
+#define DECR_PC_AFTER_BREAK (gdbarch_decr_pc_after_break (current_gdbarch))
+#endif
+#endif
+
+extern CORE_ADDR gdbarch_function_start_offset (struct gdbarch *gdbarch);
+extern void set_gdbarch_function_start_offset (struct gdbarch *gdbarch, CORE_ADDR function_start_offset);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (FUNCTION_START_OFFSET)
+#define FUNCTION_START_OFFSET (gdbarch_function_start_offset (current_gdbarch))
+#endif
+#endif
+
+/* Default (function) for non- multi-arch platforms. */
+#if (GDB_MULTI_ARCH == 0) && !defined (REMOTE_TRANSLATE_XFER_ADDRESS)
+#define REMOTE_TRANSLATE_XFER_ADDRESS(gdb_addr, gdb_len, rem_addr, rem_len) (generic_remote_translate_xfer_address (gdb_addr, gdb_len, rem_addr, rem_len))
+#endif
+
+typedef void (gdbarch_remote_translate_xfer_address_ftype) (CORE_ADDR gdb_addr, int gdb_len, CORE_ADDR *rem_addr, int *rem_len);
+extern void gdbarch_remote_translate_xfer_address (struct gdbarch *gdbarch, CORE_ADDR gdb_addr, int gdb_len, CORE_ADDR *rem_addr, int *rem_len);
+extern void set_gdbarch_remote_translate_xfer_address (struct gdbarch *gdbarch, gdbarch_remote_translate_xfer_address_ftype *remote_translate_xfer_address);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (REMOTE_TRANSLATE_XFER_ADDRESS)
+#define REMOTE_TRANSLATE_XFER_ADDRESS(gdb_addr, gdb_len, rem_addr, rem_len) (gdbarch_remote_translate_xfer_address (current_gdbarch, gdb_addr, gdb_len, rem_addr, rem_len))
+#endif
+#endif
+
+extern CORE_ADDR gdbarch_frame_args_skip (struct gdbarch *gdbarch);
+extern void set_gdbarch_frame_args_skip (struct gdbarch *gdbarch, CORE_ADDR frame_args_skip);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (FRAME_ARGS_SKIP)
+#define FRAME_ARGS_SKIP (gdbarch_frame_args_skip (current_gdbarch))
+#endif
+#endif
+
+/* Default (function) for non- multi-arch platforms. */
+#if (GDB_MULTI_ARCH == 0) && !defined (FRAMELESS_FUNCTION_INVOCATION)
+#define FRAMELESS_FUNCTION_INVOCATION(fi) (generic_frameless_function_invocation_not (fi))
+#endif
+
+typedef int (gdbarch_frameless_function_invocation_ftype) (struct frame_info *fi);
+extern int gdbarch_frameless_function_invocation (struct gdbarch *gdbarch, struct frame_info *fi);
+extern void set_gdbarch_frameless_function_invocation (struct gdbarch *gdbarch, gdbarch_frameless_function_invocation_ftype *frameless_function_invocation);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (FRAMELESS_FUNCTION_INVOCATION)
+#define FRAMELESS_FUNCTION_INVOCATION(fi) (gdbarch_frameless_function_invocation (current_gdbarch, fi))
+#endif
+#endif
+
+typedef CORE_ADDR (gdbarch_frame_chain_ftype) (struct frame_info *frame);
+extern CORE_ADDR gdbarch_frame_chain (struct gdbarch *gdbarch, struct frame_info *frame);
+extern void set_gdbarch_frame_chain (struct gdbarch *gdbarch, gdbarch_frame_chain_ftype *frame_chain);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (FRAME_CHAIN)
+#define FRAME_CHAIN(frame) (gdbarch_frame_chain (current_gdbarch, frame))
+#endif
+#endif
+
+typedef int (gdbarch_frame_chain_valid_ftype) (CORE_ADDR chain, struct frame_info *thisframe);
+extern int gdbarch_frame_chain_valid (struct gdbarch *gdbarch, CORE_ADDR chain, struct frame_info *thisframe);
+extern void set_gdbarch_frame_chain_valid (struct gdbarch *gdbarch, gdbarch_frame_chain_valid_ftype *frame_chain_valid);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (FRAME_CHAIN_VALID)
+#define FRAME_CHAIN_VALID(chain, thisframe) (gdbarch_frame_chain_valid (current_gdbarch, chain, thisframe))
+#endif
+#endif
+
+typedef CORE_ADDR (gdbarch_frame_saved_pc_ftype) (struct frame_info *fi);
+extern CORE_ADDR gdbarch_frame_saved_pc (struct gdbarch *gdbarch, struct frame_info *fi);
+extern void set_gdbarch_frame_saved_pc (struct gdbarch *gdbarch, gdbarch_frame_saved_pc_ftype *frame_saved_pc);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (FRAME_SAVED_PC)
+#define FRAME_SAVED_PC(fi) (gdbarch_frame_saved_pc (current_gdbarch, fi))
+#endif
+#endif
+
+typedef CORE_ADDR (gdbarch_frame_args_address_ftype) (struct frame_info *fi);
+extern CORE_ADDR gdbarch_frame_args_address (struct gdbarch *gdbarch, struct frame_info *fi);
+extern void set_gdbarch_frame_args_address (struct gdbarch *gdbarch, gdbarch_frame_args_address_ftype *frame_args_address);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (FRAME_ARGS_ADDRESS)
+#define FRAME_ARGS_ADDRESS(fi) (gdbarch_frame_args_address (current_gdbarch, fi))
+#endif
+#endif
+
+typedef CORE_ADDR (gdbarch_frame_locals_address_ftype) (struct frame_info *fi);
+extern CORE_ADDR gdbarch_frame_locals_address (struct gdbarch *gdbarch, struct frame_info *fi);
+extern void set_gdbarch_frame_locals_address (struct gdbarch *gdbarch, gdbarch_frame_locals_address_ftype *frame_locals_address);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (FRAME_LOCALS_ADDRESS)
+#define FRAME_LOCALS_ADDRESS(fi) (gdbarch_frame_locals_address (current_gdbarch, fi))
+#endif
+#endif
+
+typedef CORE_ADDR (gdbarch_saved_pc_after_call_ftype) (struct frame_info *frame);
+extern CORE_ADDR gdbarch_saved_pc_after_call (struct gdbarch *gdbarch, struct frame_info *frame);
+extern void set_gdbarch_saved_pc_after_call (struct gdbarch *gdbarch, gdbarch_saved_pc_after_call_ftype *saved_pc_after_call);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (SAVED_PC_AFTER_CALL)
+#define SAVED_PC_AFTER_CALL(frame) (gdbarch_saved_pc_after_call (current_gdbarch, frame))
+#endif
+#endif
+
+typedef int (gdbarch_frame_num_args_ftype) (struct frame_info *frame);
+extern int gdbarch_frame_num_args (struct gdbarch *gdbarch, struct frame_info *frame);
+extern void set_gdbarch_frame_num_args (struct gdbarch *gdbarch, gdbarch_frame_num_args_ftype *frame_num_args);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (FRAME_NUM_ARGS)
+#define FRAME_NUM_ARGS(frame) (gdbarch_frame_num_args (current_gdbarch, frame))
+#endif
+#endif
+
+#if defined (STACK_ALIGN)
+/* Legacy for systems yet to multi-arch STACK_ALIGN */
+#define STACK_ALIGN_P() (1)
+#endif
+
+/* Default predicate for non- multi-arch targets. */
+#if (GDB_MULTI_ARCH == 0) && !defined (STACK_ALIGN_P)
+#define STACK_ALIGN_P() (0)
+#endif
+
+extern int gdbarch_stack_align_p (struct gdbarch *gdbarch);
+#if (GDB_MULTI_ARCH > 1) || !defined (STACK_ALIGN_P)
+#define STACK_ALIGN_P() (gdbarch_stack_align_p (current_gdbarch))
+#endif
+
+/* Default (function) for non- multi-arch platforms. */
+#if (GDB_MULTI_ARCH == 0) && !defined (STACK_ALIGN)
+#define STACK_ALIGN(sp) (internal_error ("STACK_ALIGN"), 0)
+#endif
+
+typedef CORE_ADDR (gdbarch_stack_align_ftype) (CORE_ADDR sp);
+extern CORE_ADDR gdbarch_stack_align (struct gdbarch *gdbarch, CORE_ADDR sp);
+extern void set_gdbarch_stack_align (struct gdbarch *gdbarch, gdbarch_stack_align_ftype *stack_align);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (STACK_ALIGN)
+#define STACK_ALIGN(sp) (gdbarch_stack_align (current_gdbarch, sp))
+#endif
+#endif
+
+#if defined (REG_STRUCT_HAS_ADDR)
+/* Legacy for systems yet to multi-arch REG_STRUCT_HAS_ADDR */
+#define REG_STRUCT_HAS_ADDR_P() (1)
+#endif
+
+/* Default predicate for non- multi-arch targets. */
+#if (GDB_MULTI_ARCH == 0) && !defined (REG_STRUCT_HAS_ADDR_P)
+#define REG_STRUCT_HAS_ADDR_P() (0)
+#endif
+
+extern int gdbarch_reg_struct_has_addr_p (struct gdbarch *gdbarch);
+#if (GDB_MULTI_ARCH > 1) || !defined (REG_STRUCT_HAS_ADDR_P)
+#define REG_STRUCT_HAS_ADDR_P() (gdbarch_reg_struct_has_addr_p (current_gdbarch))
+#endif
+
+/* Default (function) for non- multi-arch platforms. */
+#if (GDB_MULTI_ARCH == 0) && !defined (REG_STRUCT_HAS_ADDR)
+#define REG_STRUCT_HAS_ADDR(gcc_p, type) (internal_error ("REG_STRUCT_HAS_ADDR"), 0)
+#endif
+
+typedef int (gdbarch_reg_struct_has_addr_ftype) (int gcc_p, struct type *type);
+extern int gdbarch_reg_struct_has_addr (struct gdbarch *gdbarch, int gcc_p, struct type *type);
+extern void set_gdbarch_reg_struct_has_addr (struct gdbarch *gdbarch, gdbarch_reg_struct_has_addr_ftype *reg_struct_has_addr);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (REG_STRUCT_HAS_ADDR)
+#define REG_STRUCT_HAS_ADDR(gcc_p, type) (gdbarch_reg_struct_has_addr (current_gdbarch, gcc_p, type))
+#endif
+#endif
+
+#if defined (SAVE_DUMMY_FRAME_TOS)
+/* Legacy for systems yet to multi-arch SAVE_DUMMY_FRAME_TOS */
+#define SAVE_DUMMY_FRAME_TOS_P() (1)
+#endif
+
+/* Default predicate for non- multi-arch targets. */
+#if (GDB_MULTI_ARCH == 0) && !defined (SAVE_DUMMY_FRAME_TOS_P)
+#define SAVE_DUMMY_FRAME_TOS_P() (0)
+#endif
+
+extern int gdbarch_save_dummy_frame_tos_p (struct gdbarch *gdbarch);
+#if (GDB_MULTI_ARCH > 1) || !defined (SAVE_DUMMY_FRAME_TOS_P)
+#define SAVE_DUMMY_FRAME_TOS_P() (gdbarch_save_dummy_frame_tos_p (current_gdbarch))
+#endif
+
+/* Default (function) for non- multi-arch platforms. */
+#if (GDB_MULTI_ARCH == 0) && !defined (SAVE_DUMMY_FRAME_TOS)
+#define SAVE_DUMMY_FRAME_TOS(sp) (internal_error ("SAVE_DUMMY_FRAME_TOS"), 0)
+#endif
+
+typedef void (gdbarch_save_dummy_frame_tos_ftype) (CORE_ADDR sp);
+extern void gdbarch_save_dummy_frame_tos (struct gdbarch *gdbarch, CORE_ADDR sp);
+extern void set_gdbarch_save_dummy_frame_tos (struct gdbarch *gdbarch, gdbarch_save_dummy_frame_tos_ftype *save_dummy_frame_tos);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (SAVE_DUMMY_FRAME_TOS)
+#define SAVE_DUMMY_FRAME_TOS(sp) (gdbarch_save_dummy_frame_tos (current_gdbarch, sp))
+#endif
+#endif
+
+/* Default (value) for non- multi-arch platforms. */
+#if (GDB_MULTI_ARCH == 0) && !defined (TARGET_FLOAT_FORMAT)
+#define TARGET_FLOAT_FORMAT (default_float_format (current_gdbarch))
+#endif
+
+extern const struct floatformat * gdbarch_float_format (struct gdbarch *gdbarch);
+extern void set_gdbarch_float_format (struct gdbarch *gdbarch, const struct floatformat * float_format);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (TARGET_FLOAT_FORMAT)
+#define TARGET_FLOAT_FORMAT (gdbarch_float_format (current_gdbarch))
+#endif
+#endif
+
+/* Default (value) for non- multi-arch platforms. */
+#if (GDB_MULTI_ARCH == 0) && !defined (TARGET_DOUBLE_FORMAT)
+#define TARGET_DOUBLE_FORMAT (default_double_format (current_gdbarch))
+#endif
+
+extern const struct floatformat * gdbarch_double_format (struct gdbarch *gdbarch);
+extern void set_gdbarch_double_format (struct gdbarch *gdbarch, const struct floatformat * double_format);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (TARGET_DOUBLE_FORMAT)
+#define TARGET_DOUBLE_FORMAT (gdbarch_double_format (current_gdbarch))
+#endif
+#endif
+
+/* Default (value) for non- multi-arch platforms. */
+#if (GDB_MULTI_ARCH == 0) && !defined (TARGET_LONG_DOUBLE_FORMAT)
+#define TARGET_LONG_DOUBLE_FORMAT (&floatformat_unknown)
+#endif
+
+extern const struct floatformat * gdbarch_long_double_format (struct gdbarch *gdbarch);
+extern void set_gdbarch_long_double_format (struct gdbarch *gdbarch, const struct floatformat * long_double_format);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (TARGET_LONG_DOUBLE_FORMAT)
+#define TARGET_LONG_DOUBLE_FORMAT (gdbarch_long_double_format (current_gdbarch))
+#endif
+#endif
+
+extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch);
+
+
+/* Mechanism for co-ordinating the selection of a specific
+   architecture.
+
+   GDB targets (*-tdep.c) can register an interest in a specific
+   architecture.  Other GDB components can register a need to maintain
+   per-architecture data.
+
+   The mechanisms below ensures that there is only a loose connection
+   between the set-architecture command and the various GDB
+   components.  Each component can independantly register their need
+   to maintain architecture specific data with gdbarch.
+
+   Pragmatics:
+
+   Previously, a single TARGET_ARCHITECTURE_HOOK was provided.  It
+   didn't scale.
+
+   The more traditional mega-struct containing architecture specific
+   data for all the various GDB components was also considered.  Since
+   GDB is built from a variable number of (fairly independant)
+   components it was determined that the global aproach was not
+   applicable. */
+
+
+/* Register a new architectural family with GDB.
+
+   Register support for the specified ARCHITECTURE with GDB.  When
+   gdbarch determines that the specified architecture has been
+   selected, the corresponding INIT function is called.
+
+   --
+
+   The INIT function takes two parameters: INFO which contains the
+   information available to gdbarch about the (possibly new)
+   architecture; ARCHES which is a list of the previously created
+   ``struct gdbarch'' for this architecture.
+
+   The INIT function parameter INFO shall, as far as possible, be
+   pre-initialized with information obtained from INFO.ABFD or
+   previously selected architecture (if similar).  INIT shall ensure
+   that the INFO.BYTE_ORDER is non-zero.
+
+   The INIT function shall return any of: NULL - indicating that it
+   doesn't reconize the selected architecture; an existing ``struct
+   gdbarch'' from the ARCHES list - indicating that the new
+   architecture is just a synonym for an earlier architecture (see
+   gdbarch_list_lookup_by_info()); a newly created ``struct gdbarch''
+   - that describes the selected architecture (see gdbarch_alloc()).
+
+   The DUMP_TDEP function shall print out all target specific values.
+   Care should be taken to ensure that the function works in both the
+   multi-arch and non- multi-arch cases. */
+
+struct gdbarch_list
+{
+  struct gdbarch *gdbarch;
+  struct gdbarch_list *next;
+};
+
+struct gdbarch_info
+{
+  /* Use default: bfd_arch_unknown (ZERO). */
+  enum bfd_architecture bfd_architecture;
+
+  /* Use default: NULL (ZERO). */
+  const struct bfd_arch_info *bfd_arch_info;
+
+  /* Use default: 0 (ZERO). */
+  int byte_order;
+
+  /* Use default: NULL (ZERO). */
+  bfd *abfd;
+
+  /* Use default: NULL (ZERO). */
+  struct gdbarch_tdep_info *tdep_info;
+};
+
+typedef struct gdbarch *(gdbarch_init_ftype) (struct gdbarch_info info, struct gdbarch_list *arches);
+typedef void (gdbarch_dump_tdep_ftype) (struct gdbarch *gdbarch, struct ui_file *file);
+
+/* DEPRECATED - use gdbarch_register() */
+extern void register_gdbarch_init (enum bfd_architecture architecture, gdbarch_init_ftype *);
+
+extern void gdbarch_register (enum bfd_architecture architecture,
+                              gdbarch_init_ftype *,
+                              gdbarch_dump_tdep_ftype *);
+
+
+/* Return a freshly allocated, NULL terminated, array of the valid
+   architecture names.  Since architectures are registered during the
+   _initialize phase this function only returns useful information
+   once initialization has been completed. */
+
+extern const char **gdbarch_printable_names (void);
+
+
+/* Helper function.  Search the list of ARCHES for a GDBARCH that
+   matches the information provided by INFO. */
+
+extern struct gdbarch_list *gdbarch_list_lookup_by_info (struct gdbarch_list *arches,  const struct gdbarch_info *info);
+
+
+/* Helper function.  Create a preliminary ``struct gdbarch''.  Perform
+   basic initialization using values obtained from the INFO andTDEP
+   parameters.  set_gdbarch_*() functions are called to complete the
+   initialization of the object. */
+
+extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gdbarch_tdep *tdep);
+
+
+/* Helper function.  Free a partially-constructed ``struct gdbarch''.
+   It is assumed that the caller freeds the ``struct
+   gdbarch_tdep''. */
+
+extern void gdbarch_free (struct gdbarch *);
+
+
+/* Helper function. Force an update of the current architecture.  Used
+   by legacy targets that have added their own target specific
+   architecture manipulation commands.
+
+   The INFO parameter shall be fully initialized (``memset (&INFO,
+   sizeof (info), 0)'' set relevant fields) before gdbarch_update() is
+   called.  gdbarch_update() shall initialize any ``default'' fields
+   using information obtained from the previous architecture or
+   INFO.ABFD (if specified) before calling the corresponding
+   architectures INIT function. */
+
+extern int gdbarch_update (struct gdbarch_info info);
+
+
+
+/* Register per-architecture data-pointer.
+
+   Reserve space for a per-architecture data-pointer.  An identifier
+   for the reserved data-pointer is returned.  That identifer should
+   be saved in a local static.
+
+   When a new architecture is selected, INIT() is called.  When a
+   previous architecture is re-selected, the per-architecture
+   data-pointer for that previous architecture is restored (INIT() is
+   not called).
+
+   INIT() shall return the initial value for the per-architecture
+   data-pointer for the current architecture.
+
+   Multiple registrarants for any architecture are allowed (and
+   strongly encouraged).  */
+
+typedef void *(gdbarch_data_ftype) (void);
+extern struct gdbarch_data *register_gdbarch_data (gdbarch_data_ftype *init);
+
+/* Return the value of the per-architecture data-pointer for the
+   current architecture. */
+
+extern void *gdbarch_data (struct gdbarch_data*);
+
+
+
+/* Register per-architecture memory region.
+
+   Provide a memory-region swap mechanism.  Per-architecture memory
+   region are created.  These memory regions are swapped whenever the
+   architecture is changed.  For a new architecture, the memory region
+   is initialized with zero (0) and the INIT function is called.
+
+   Memory regions are swapped / initialized in the order that they are
+   registered.  NULL DATA and/or INIT values can be specified.
+
+   New code should use register_gdbarch_data(). */
+
+typedef void (gdbarch_swap_ftype) (void);
+extern void register_gdbarch_swap (void *data, unsigned long size, gdbarch_swap_ftype *init);
+#define REGISTER_GDBARCH_SWAP(VAR) register_gdbarch_swap (&(VAR), sizeof ((VAR)), NULL)
+
+
+
 /* The target-system-dependant byte order is dynamic */
 
 /* TARGET_BYTE_ORDER_SELECTABLE_P determines if the target endianness
@@ -28,6 +1318,11 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
    target_byte_order should be auto-detected (from the program image
    say). */
 
+#if GDB_MULTI_ARCH
+/* Multi-arch GDB is always bi-endian. */
+#define TARGET_BYTE_ORDER_SELECTABLE_P 1
+#endif
+
 #ifndef TARGET_BYTE_ORDER_SELECTABLE_P
 /* compat - Catch old targets that define TARGET_BYTE_ORDER_SLECTABLE
    when they should have defined TARGET_BYTE_ORDER_SELECTABLE_P 1 */
@@ -67,28 +1362,21 @@ extern const struct bfd_arch_info *target_architecture;
 #define TARGET_ARCHITECTURE (target_architecture + 0)
 #endif
 
-/* Notify the target dependant backend of a change to the selected
-   architecture. A zero return status indicates that the target did
-   not like the change. */
-
-extern int (*target_architecture_hook) PARAMS ((const struct bfd_arch_info *)); 
-
-
 
 /* The target-system-dependant disassembler is semi-dynamic */
 
 #include "dis-asm.h"		/* Get defs for disassemble_info */
 
-extern int dis_asm_read_memory PARAMS ((bfd_vma memaddr, bfd_byte *myaddr,
-					int len, disassemble_info *info));
+extern int dis_asm_read_memory (bfd_vma memaddr, bfd_byte *myaddr,
+				unsigned int len, disassemble_info *info);
 
-extern void dis_asm_memory_error PARAMS ((int status, bfd_vma memaddr,
-					  disassemble_info *info));
+extern void dis_asm_memory_error (int status, bfd_vma memaddr,
+				  disassemble_info *info);
 
-extern void dis_asm_print_address PARAMS ((bfd_vma addr,
-					   disassemble_info *info));
+extern void dis_asm_print_address (bfd_vma addr,
+				   disassemble_info *info);
 
-extern int (*tm_print_insn) PARAMS ((bfd_vma, disassemble_info*));
+extern int (*tm_print_insn) (bfd_vma, disassemble_info*);
 extern disassemble_info tm_print_insn_info;
 #ifndef TARGET_PRINT_INSN
 #define TARGET_PRINT_INSN(vma, info) (*tm_print_insn) (vma, info)
@@ -103,30 +1391,34 @@ extern disassemble_info tm_print_insn_info;
    USE of these macro's is *STRONGLY* discouraged. */
 
 #define GDB_TARGET_IS_D10V (TARGET_ARCHITECTURE->arch == bfd_arch_d10v)
-#ifndef D10V_MAKE_DADDR
-#define D10V_MAKE_DADDR(X) (abort (), 0)
-#endif
-#ifndef D10V_MAKE_IADDR
-#define D10V_MAKE_IADDR(X) (abort (), 0)
-#endif
-
 
 
+/* Fallback definition for EXTRACT_STRUCT_VALUE_ADDRESS */
+#ifndef EXTRACT_STRUCT_VALUE_ADDRESS
+#define EXTRACT_STRUCT_VALUE_ADDRESS_P (0)
+#define EXTRACT_STRUCT_VALUE_ADDRESS(X) (internal_error ("gdbarch: EXTRACT_STRUCT_VALUE_ADDRESS"), 0)
+#else
+#ifndef EXTRACT_STRUCT_VALUE_ADDRESS_P
+#define EXTRACT_STRUCT_VALUE_ADDRESS_P (1)
+#endif
+#endif
 
 
 /* Set the dynamic target-system-dependant parameters (architecture,
    byte-order, ...) using information found in the BFD */
 
-extern void set_gdbarch_from_file PARAMS ((bfd *));
+extern void set_gdbarch_from_file (bfd *);
 
 
-/* Explicitly set the dynamic target-system-dependant parameters based
-   on bfd_architecture and machine. */
+/* Initialize the current architecture to the "first" one we find on
+   our list.  */
 
-extern void set_architecture_from_arch_mach PARAMS ((enum bfd_architecture, unsigned long));
+extern void initialize_current_architecture (void);
 
 
 /* gdbarch trace variable */
 extern int gdbarch_debug;
 
+extern void gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file);
+
 #endif