X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Fgdbarch.h;h=7e665226fc132f8d08b7abddaddd9ab3d15aca19;hb=a73a20a2d55bf019cb8e5a7d872bc4391e531e61;hp=fb07b93c9bfb44e1c949f8808aa241e940d0b64a;hpb=66b43ecb0f97cb826fa1595098a8fb0e7dc8a7c9;p=deliverable%2Fbinutils-gdb.git

diff --git a/gdb/gdbarch.h b/gdb/gdbarch.h
index fb07b93c9b..7e665226fc 100644
--- a/gdb/gdbarch.h
+++ b/gdb/gdbarch.h
@@ -1,7 +1,7 @@
 /* *INDENT-OFF* */ /* THIS FILE IS GENERATED */
 
 /* Dynamic architecture support for GDB, the GNU debugger.
-   Copyright 1998-1999, Free Software Foundation, Inc.
+   Copyright 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -22,22 +22,30 @@
 
 /* This file was created with the aid of ``gdbarch.sh''.
 
-   The bourn shell script ``gdbarch.sh'' creates the files
+   The Bourne 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.
 
    If editing this file, please also run gdbarch.sh and merge any
-   changes into that script. Conversely, when makeing sweeping changes
+   changes into that script. Conversely, when making sweeping changes
    to this file, modifying gdbarch.sh and using its output may prove
    easier. */
 
 #ifndef GDBARCH_H
 #define GDBARCH_H
 
+#include "dis-asm.h" /* Get defs for disassemble_info, which unfortunately is a typedef. */
+#if !GDB_MULTI_ARCH
+/* Pull in function declarations refered to, indirectly, via macros.  */
+#include "value.h" /* For default_coerce_float_to_double which is referenced by a macro.  */
+#include "inferior.h"		/* For unsigned_address_to_pointer().  */
+#endif
+
 struct frame_info;
 struct value;
-
+struct objfile;
+struct minimal_symbol;
 
 extern struct gdbarch *current_gdbarch;
 
@@ -57,11 +65,18 @@ extern struct gdbarch *current_gdbarch;
 #endif
 #endif
 
+#if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PURE) && defined (GDB_TM_FILE)
+#error "GDB_TM_FILE: Pure multi-arch targets do not have a tm.h file."
+#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 > GDB_MULTI_ARCH_PARTIAL) && defined (TARGET_ARCHITECTURE)
+#error "Non multi-arch definition of TARGET_ARCHITECTURE"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (TARGET_ARCHITECTURE)
 #define TARGET_ARCHITECTURE (gdbarch_bfd_arch_info (current_gdbarch))
@@ -70,6 +85,9 @@ extern const struct bfd_arch_info * gdbarch_bfd_arch_info (struct gdbarch *gdbar
 
 extern int gdbarch_byte_order (struct gdbarch *gdbarch);
 /* set_gdbarch_byte_order() - not applicable - pre-initialized. */
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (TARGET_BYTE_ORDER)
+#error "Non multi-arch definition of TARGET_BYTE_ORDER"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (TARGET_BYTE_ORDER)
 #define TARGET_BYTE_ORDER (gdbarch_byte_order (current_gdbarch))
@@ -77,7 +95,7 @@ extern int gdbarch_byte_order (struct gdbarch *gdbarch);
 #endif
 
 
-/* The following are initialized by the target dependant code. */
+/* The following are initialized by the target dependent code. */
 
 /* Number of bits in a char or unsigned char for the target machine.
    Just like CHAR_BIT in <limits.h> but describes the target machine.
@@ -92,6 +110,9 @@ extern int gdbarch_byte_order (struct gdbarch *gdbarch);
 
 extern int gdbarch_short_bit (struct gdbarch *gdbarch);
 extern void set_gdbarch_short_bit (struct gdbarch *gdbarch, int short_bit);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (TARGET_SHORT_BIT)
+#error "Non multi-arch definition of TARGET_SHORT_BIT"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (TARGET_SHORT_BIT)
 #define TARGET_SHORT_BIT (gdbarch_short_bit (current_gdbarch))
@@ -107,6 +128,9 @@ extern void set_gdbarch_short_bit (struct gdbarch *gdbarch, int short_bit);
 
 extern int gdbarch_int_bit (struct gdbarch *gdbarch);
 extern void set_gdbarch_int_bit (struct gdbarch *gdbarch, int int_bit);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (TARGET_INT_BIT)
+#error "Non multi-arch definition of TARGET_INT_BIT"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (TARGET_INT_BIT)
 #define TARGET_INT_BIT (gdbarch_int_bit (current_gdbarch))
@@ -122,6 +146,9 @@ extern void set_gdbarch_int_bit (struct gdbarch *gdbarch, int int_bit);
 
 extern int gdbarch_long_bit (struct gdbarch *gdbarch);
 extern void set_gdbarch_long_bit (struct gdbarch *gdbarch, int long_bit);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (TARGET_LONG_BIT)
+#error "Non multi-arch definition of TARGET_LONG_BIT"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (TARGET_LONG_BIT)
 #define TARGET_LONG_BIT (gdbarch_long_bit (current_gdbarch))
@@ -138,6 +165,9 @@ extern void set_gdbarch_long_bit (struct gdbarch *gdbarch, int long_bit);
 
 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 > GDB_MULTI_ARCH_PARTIAL) && defined (TARGET_LONG_LONG_BIT)
+#error "Non multi-arch definition of TARGET_LONG_LONG_BIT"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (TARGET_LONG_LONG_BIT)
 #define TARGET_LONG_LONG_BIT (gdbarch_long_long_bit (current_gdbarch))
@@ -153,6 +183,9 @@ extern void set_gdbarch_long_long_bit (struct gdbarch *gdbarch, int long_long_bi
 
 extern int gdbarch_float_bit (struct gdbarch *gdbarch);
 extern void set_gdbarch_float_bit (struct gdbarch *gdbarch, int float_bit);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (TARGET_FLOAT_BIT)
+#error "Non multi-arch definition of TARGET_FLOAT_BIT"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (TARGET_FLOAT_BIT)
 #define TARGET_FLOAT_BIT (gdbarch_float_bit (current_gdbarch))
@@ -168,6 +201,9 @@ extern void set_gdbarch_float_bit (struct gdbarch *gdbarch, int float_bit);
 
 extern int gdbarch_double_bit (struct gdbarch *gdbarch);
 extern void set_gdbarch_double_bit (struct gdbarch *gdbarch, int double_bit);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (TARGET_DOUBLE_BIT)
+#error "Non multi-arch definition of TARGET_DOUBLE_BIT"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (TARGET_DOUBLE_BIT)
 #define TARGET_DOUBLE_BIT (gdbarch_double_bit (current_gdbarch))
@@ -178,18 +214,29 @@ extern void set_gdbarch_double_bit (struct gdbarch *gdbarch, int double_bit);
 
 /* Default (value) for non- multi-arch platforms. */
 #if (!GDB_MULTI_ARCH) && !defined (TARGET_LONG_DOUBLE_BIT)
-#define TARGET_LONG_DOUBLE_BIT (2*TARGET_DOUBLE_BIT)
+#define TARGET_LONG_DOUBLE_BIT (8*TARGET_CHAR_BIT)
 #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 > GDB_MULTI_ARCH_PARTIAL) && defined (TARGET_LONG_DOUBLE_BIT)
+#error "Non multi-arch definition of TARGET_LONG_DOUBLE_BIT"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (TARGET_LONG_DOUBLE_BIT)
 #define TARGET_LONG_DOUBLE_BIT (gdbarch_long_double_bit (current_gdbarch))
 #endif
 #endif
 
-/* Number of bits in a pointer for the target machine */
+/* For most targets, a pointer on the target and its representation as an
+   address in GDB have the same size and "look the same".  For such a
+   target, you need only set TARGET_PTR_BIT / ptr_bit and TARGET_ADDR_BIT
+   / addr_bit will be set from it.
+  
+   If TARGET_PTR_BIT and TARGET_ADDR_BIT are different, you'll probably
+   also need to set POINTER_TO_ADDRESS and ADDRESS_TO_POINTER as well.
+  
+   ptr_bit is the size of a pointer on the target */
 
 /* Default (value) for non- multi-arch platforms. */
 #if (!GDB_MULTI_ARCH) && !defined (TARGET_PTR_BIT)
@@ -198,12 +245,33 @@ extern void set_gdbarch_long_double_bit (struct gdbarch *gdbarch, int long_doubl
 
 extern int gdbarch_ptr_bit (struct gdbarch *gdbarch);
 extern void set_gdbarch_ptr_bit (struct gdbarch *gdbarch, int ptr_bit);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (TARGET_PTR_BIT)
+#error "Non multi-arch definition of TARGET_PTR_BIT"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (TARGET_PTR_BIT)
 #define TARGET_PTR_BIT (gdbarch_ptr_bit (current_gdbarch))
 #endif
 #endif
 
+/* addr_bit is the size of a target address as represented in gdb */
+
+/* Default (value) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (TARGET_ADDR_BIT)
+#define TARGET_ADDR_BIT (TARGET_PTR_BIT)
+#endif
+
+extern int gdbarch_addr_bit (struct gdbarch *gdbarch);
+extern void set_gdbarch_addr_bit (struct gdbarch *gdbarch, int addr_bit);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (TARGET_ADDR_BIT)
+#error "Non multi-arch definition of TARGET_ADDR_BIT"
+#endif
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (TARGET_ADDR_BIT)
+#define TARGET_ADDR_BIT (gdbarch_addr_bit (current_gdbarch))
+#endif
+#endif
+
 /* Number of bits in a BFD_VMA for the target object file format. */
 
 /* Default (value) for non- multi-arch platforms. */
@@ -213,81 +281,156 @@ extern void set_gdbarch_ptr_bit (struct gdbarch *gdbarch, int ptr_bit);
 
 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 > GDB_MULTI_ARCH_PARTIAL) && defined (TARGET_BFD_VMA_BIT)
+#error "Non multi-arch definition of TARGET_BFD_VMA_BIT"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (TARGET_BFD_VMA_BIT)
 #define TARGET_BFD_VMA_BIT (gdbarch_bfd_vma_bit (current_gdbarch))
 #endif
 #endif
 
+/* One if `char' acts like `signed char', zero if `unsigned char'. */
+
 /* Default (value) for non- multi-arch platforms. */
-#if (!GDB_MULTI_ARCH) && !defined (IEEE_FLOAT)
-#define IEEE_FLOAT (0)
+#if (!GDB_MULTI_ARCH) && !defined (TARGET_CHAR_SIGNED)
+#define TARGET_CHAR_SIGNED (1)
 #endif
 
-extern int gdbarch_ieee_float (struct gdbarch *gdbarch);
-extern void set_gdbarch_ieee_float (struct gdbarch *gdbarch, int ieee_float);
+extern int gdbarch_char_signed (struct gdbarch *gdbarch);
+extern void set_gdbarch_char_signed (struct gdbarch *gdbarch, int char_signed);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (TARGET_CHAR_SIGNED)
+#error "Non multi-arch definition of TARGET_CHAR_SIGNED"
+#endif
 #if GDB_MULTI_ARCH
-#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (IEEE_FLOAT)
-#define IEEE_FLOAT (gdbarch_ieee_float (current_gdbarch))
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (TARGET_CHAR_SIGNED)
+#define TARGET_CHAR_SIGNED (gdbarch_char_signed (current_gdbarch))
+#endif
 #endif
+
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (TARGET_READ_PC)
+#define TARGET_READ_PC(ptid) (generic_target_read_pc (ptid))
 #endif
 
-typedef CORE_ADDR (gdbarch_read_pc_ftype) (int pid);
-extern CORE_ADDR gdbarch_read_pc (struct gdbarch *gdbarch, int pid);
+typedef CORE_ADDR (gdbarch_read_pc_ftype) (ptid_t ptid);
+extern CORE_ADDR gdbarch_read_pc (struct gdbarch *gdbarch, ptid_t ptid);
 extern void set_gdbarch_read_pc (struct gdbarch *gdbarch, gdbarch_read_pc_ftype *read_pc);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (TARGET_READ_PC)
+#error "Non multi-arch definition of TARGET_READ_PC"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (TARGET_READ_PC)
-#define TARGET_READ_PC(pid) (gdbarch_read_pc (current_gdbarch, pid))
+#define TARGET_READ_PC(ptid) (gdbarch_read_pc (current_gdbarch, ptid))
+#endif
 #endif
+
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (TARGET_WRITE_PC)
+#define TARGET_WRITE_PC(val, ptid) (generic_target_write_pc (val, ptid))
 #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);
+typedef void (gdbarch_write_pc_ftype) (CORE_ADDR val, ptid_t ptid);
+extern void gdbarch_write_pc (struct gdbarch *gdbarch, CORE_ADDR val, ptid_t ptid);
 extern void set_gdbarch_write_pc (struct gdbarch *gdbarch, gdbarch_write_pc_ftype *write_pc);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (TARGET_WRITE_PC)
+#error "Non multi-arch definition of TARGET_WRITE_PC"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (TARGET_WRITE_PC)
-#define TARGET_WRITE_PC(val, pid) (gdbarch_write_pc (current_gdbarch, val, pid))
+#define TARGET_WRITE_PC(val, ptid) (gdbarch_write_pc (current_gdbarch, val, ptid))
+#endif
 #endif
+
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (TARGET_READ_FP)
+#define TARGET_READ_FP() (generic_target_read_fp ())
 #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 > GDB_MULTI_ARCH_PARTIAL) && defined (TARGET_READ_FP)
+#error "Non multi-arch definition of TARGET_READ_FP"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !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 > GDB_MULTI_ARCH_PARTIAL) || !defined (TARGET_WRITE_FP)
-#define TARGET_WRITE_FP(val) (gdbarch_write_fp (current_gdbarch, val))
-#endif
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (TARGET_READ_SP)
+#define TARGET_READ_SP() (generic_target_read_sp ())
 #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 > GDB_MULTI_ARCH_PARTIAL) && defined (TARGET_READ_SP)
+#error "Non multi-arch definition of TARGET_READ_SP"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (TARGET_READ_SP)
 #define TARGET_READ_SP() (gdbarch_read_sp (current_gdbarch))
 #endif
 #endif
 
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (TARGET_WRITE_SP)
+#define TARGET_WRITE_SP(val) (generic_target_write_sp (val))
+#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 > GDB_MULTI_ARCH_PARTIAL) && defined (TARGET_WRITE_SP)
+#error "Non multi-arch definition of TARGET_WRITE_SP"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (TARGET_WRITE_SP)
 #define TARGET_WRITE_SP(val) (gdbarch_write_sp (current_gdbarch, val))
 #endif
 #endif
 
+/* Function for getting target's idea of a frame pointer.  FIXME: GDB's
+   whole scheme for dealing with "frames" and "frame pointers" needs a
+   serious shakedown. */
+
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (TARGET_VIRTUAL_FRAME_POINTER)
+#define TARGET_VIRTUAL_FRAME_POINTER(pc, frame_regnum, frame_offset) (legacy_virtual_frame_pointer (pc, frame_regnum, frame_offset))
+#endif
+
+typedef void (gdbarch_virtual_frame_pointer_ftype) (CORE_ADDR pc, int *frame_regnum, LONGEST *frame_offset);
+extern void gdbarch_virtual_frame_pointer (struct gdbarch *gdbarch, CORE_ADDR pc, int *frame_regnum, LONGEST *frame_offset);
+extern void set_gdbarch_virtual_frame_pointer (struct gdbarch *gdbarch, gdbarch_virtual_frame_pointer_ftype *virtual_frame_pointer);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (TARGET_VIRTUAL_FRAME_POINTER)
+#error "Non multi-arch definition of TARGET_VIRTUAL_FRAME_POINTER"
+#endif
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (TARGET_VIRTUAL_FRAME_POINTER)
+#define TARGET_VIRTUAL_FRAME_POINTER(pc, frame_regnum, frame_offset) (gdbarch_virtual_frame_pointer (current_gdbarch, pc, frame_regnum, frame_offset))
+#endif
+#endif
+
+extern int gdbarch_register_read_p (struct gdbarch *gdbarch);
+
+typedef void (gdbarch_register_read_ftype) (struct gdbarch *gdbarch, int regnum, char *buf);
+extern void gdbarch_register_read (struct gdbarch *gdbarch, int regnum, char *buf);
+extern void set_gdbarch_register_read (struct gdbarch *gdbarch, gdbarch_register_read_ftype *register_read);
+
+extern int gdbarch_register_write_p (struct gdbarch *gdbarch);
+
+typedef void (gdbarch_register_write_ftype) (struct gdbarch *gdbarch, int regnum, char *buf);
+extern void gdbarch_register_write (struct gdbarch *gdbarch, int regnum, char *buf);
+extern void set_gdbarch_register_write (struct gdbarch *gdbarch, gdbarch_register_write_ftype *register_write);
+
 extern int gdbarch_num_regs (struct gdbarch *gdbarch);
 extern void set_gdbarch_num_regs (struct gdbarch *gdbarch, int num_regs);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (NUM_REGS)
+#error "Non multi-arch definition of NUM_REGS"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (NUM_REGS)
 #define NUM_REGS (gdbarch_num_regs (current_gdbarch))
@@ -306,36 +449,83 @@ extern void set_gdbarch_num_regs (struct gdbarch *gdbarch, int num_regs);
 
 extern int gdbarch_num_pseudo_regs (struct gdbarch *gdbarch);
 extern void set_gdbarch_num_pseudo_regs (struct gdbarch *gdbarch, int num_pseudo_regs);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (NUM_PSEUDO_REGS)
+#error "Non multi-arch definition of NUM_PSEUDO_REGS"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (NUM_PSEUDO_REGS)
 #define NUM_PSEUDO_REGS (gdbarch_num_pseudo_regs (current_gdbarch))
 #endif
 #endif
 
+/* GDB's standard (or well known) register numbers.  These can map onto
+   a real register or a pseudo (computed) register or not be defined at
+   all (-1). */
+
+/* Default (value) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (SP_REGNUM)
+#define SP_REGNUM (-1)
+#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 > GDB_MULTI_ARCH_PARTIAL) && defined (SP_REGNUM)
+#error "Non multi-arch definition of SP_REGNUM"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (SP_REGNUM)
 #define SP_REGNUM (gdbarch_sp_regnum (current_gdbarch))
 #endif
 #endif
 
+/* Default (value) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (FP_REGNUM)
+#define FP_REGNUM (-1)
+#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 > GDB_MULTI_ARCH_PARTIAL) && defined (FP_REGNUM)
+#error "Non multi-arch definition of FP_REGNUM"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (FP_REGNUM)
 #define FP_REGNUM (gdbarch_fp_regnum (current_gdbarch))
 #endif
 #endif
 
+/* Default (value) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (PC_REGNUM)
+#define PC_REGNUM (-1)
+#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 > GDB_MULTI_ARCH_PARTIAL) && defined (PC_REGNUM)
+#error "Non multi-arch definition of PC_REGNUM"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (PC_REGNUM)
 #define PC_REGNUM (gdbarch_pc_regnum (current_gdbarch))
 #endif
 #endif
 
+/* Default (value) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (PS_REGNUM)
+#define PS_REGNUM (-1)
+#endif
+
+extern int gdbarch_ps_regnum (struct gdbarch *gdbarch);
+extern void set_gdbarch_ps_regnum (struct gdbarch *gdbarch, int ps_regnum);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (PS_REGNUM)
+#error "Non multi-arch definition of PS_REGNUM"
+#endif
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (PS_REGNUM)
+#define PS_REGNUM (gdbarch_ps_regnum (current_gdbarch))
+#endif
+#endif
+
 /* Default (value) for non- multi-arch platforms. */
 #if (!GDB_MULTI_ARCH) && !defined (FP0_REGNUM)
 #define FP0_REGNUM (-1)
@@ -343,6 +533,9 @@ extern void set_gdbarch_pc_regnum (struct gdbarch *gdbarch, int pc_regnum);
 
 extern int gdbarch_fp0_regnum (struct gdbarch *gdbarch);
 extern void set_gdbarch_fp0_regnum (struct gdbarch *gdbarch, int fp0_regnum);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (FP0_REGNUM)
+#error "Non multi-arch definition of FP0_REGNUM"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (FP0_REGNUM)
 #define FP0_REGNUM (gdbarch_fp0_regnum (current_gdbarch))
@@ -356,6 +549,9 @@ extern void set_gdbarch_fp0_regnum (struct gdbarch *gdbarch, int fp0_regnum);
 
 extern int gdbarch_npc_regnum (struct gdbarch *gdbarch);
 extern void set_gdbarch_npc_regnum (struct gdbarch *gdbarch, int npc_regnum);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (NPC_REGNUM)
+#error "Non multi-arch definition of NPC_REGNUM"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (NPC_REGNUM)
 #define NPC_REGNUM (gdbarch_npc_regnum (current_gdbarch))
@@ -369,12 +565,110 @@ extern void set_gdbarch_npc_regnum (struct gdbarch *gdbarch, int npc_regnum);
 
 extern int gdbarch_nnpc_regnum (struct gdbarch *gdbarch);
 extern void set_gdbarch_nnpc_regnum (struct gdbarch *gdbarch, int nnpc_regnum);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (NNPC_REGNUM)
+#error "Non multi-arch definition of NNPC_REGNUM"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (NNPC_REGNUM)
 #define NNPC_REGNUM (gdbarch_nnpc_regnum (current_gdbarch))
 #endif
 #endif
 
+/* Convert stab register number (from `r' declaration) to a gdb REGNUM. */
+
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (STAB_REG_TO_REGNUM)
+#define STAB_REG_TO_REGNUM(stab_regnr) (no_op_reg_to_regnum (stab_regnr))
+#endif
+
+typedef int (gdbarch_stab_reg_to_regnum_ftype) (int stab_regnr);
+extern int gdbarch_stab_reg_to_regnum (struct gdbarch *gdbarch, int stab_regnr);
+extern void set_gdbarch_stab_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_stab_reg_to_regnum_ftype *stab_reg_to_regnum);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (STAB_REG_TO_REGNUM)
+#error "Non multi-arch definition of STAB_REG_TO_REGNUM"
+#endif
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (STAB_REG_TO_REGNUM)
+#define STAB_REG_TO_REGNUM(stab_regnr) (gdbarch_stab_reg_to_regnum (current_gdbarch, stab_regnr))
+#endif
+#endif
+
+/* Provide a default mapping from a ecoff register number to a gdb REGNUM. */
+
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (ECOFF_REG_TO_REGNUM)
+#define ECOFF_REG_TO_REGNUM(ecoff_regnr) (no_op_reg_to_regnum (ecoff_regnr))
+#endif
+
+typedef int (gdbarch_ecoff_reg_to_regnum_ftype) (int ecoff_regnr);
+extern int gdbarch_ecoff_reg_to_regnum (struct gdbarch *gdbarch, int ecoff_regnr);
+extern void set_gdbarch_ecoff_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_ecoff_reg_to_regnum_ftype *ecoff_reg_to_regnum);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (ECOFF_REG_TO_REGNUM)
+#error "Non multi-arch definition of ECOFF_REG_TO_REGNUM"
+#endif
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (ECOFF_REG_TO_REGNUM)
+#define ECOFF_REG_TO_REGNUM(ecoff_regnr) (gdbarch_ecoff_reg_to_regnum (current_gdbarch, ecoff_regnr))
+#endif
+#endif
+
+/* Provide a default mapping from a DWARF register number to a gdb REGNUM. */
+
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (DWARF_REG_TO_REGNUM)
+#define DWARF_REG_TO_REGNUM(dwarf_regnr) (no_op_reg_to_regnum (dwarf_regnr))
+#endif
+
+typedef int (gdbarch_dwarf_reg_to_regnum_ftype) (int dwarf_regnr);
+extern int gdbarch_dwarf_reg_to_regnum (struct gdbarch *gdbarch, int dwarf_regnr);
+extern void set_gdbarch_dwarf_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_dwarf_reg_to_regnum_ftype *dwarf_reg_to_regnum);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (DWARF_REG_TO_REGNUM)
+#error "Non multi-arch definition of DWARF_REG_TO_REGNUM"
+#endif
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (DWARF_REG_TO_REGNUM)
+#define DWARF_REG_TO_REGNUM(dwarf_regnr) (gdbarch_dwarf_reg_to_regnum (current_gdbarch, dwarf_regnr))
+#endif
+#endif
+
+/* Convert from an sdb register number to an internal gdb register number.
+   This should be defined in tm.h, if REGISTER_NAMES is not set up
+   to map one to one onto the sdb register numbers. */
+
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (SDB_REG_TO_REGNUM)
+#define SDB_REG_TO_REGNUM(sdb_regnr) (no_op_reg_to_regnum (sdb_regnr))
+#endif
+
+typedef int (gdbarch_sdb_reg_to_regnum_ftype) (int sdb_regnr);
+extern int gdbarch_sdb_reg_to_regnum (struct gdbarch *gdbarch, int sdb_regnr);
+extern void set_gdbarch_sdb_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_sdb_reg_to_regnum_ftype *sdb_reg_to_regnum);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (SDB_REG_TO_REGNUM)
+#error "Non multi-arch definition of SDB_REG_TO_REGNUM"
+#endif
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (SDB_REG_TO_REGNUM)
+#define SDB_REG_TO_REGNUM(sdb_regnr) (gdbarch_sdb_reg_to_regnum (current_gdbarch, sdb_regnr))
+#endif
+#endif
+
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (DWARF2_REG_TO_REGNUM)
+#define DWARF2_REG_TO_REGNUM(dwarf2_regnr) (no_op_reg_to_regnum (dwarf2_regnr))
+#endif
+
+typedef int (gdbarch_dwarf2_reg_to_regnum_ftype) (int dwarf2_regnr);
+extern int gdbarch_dwarf2_reg_to_regnum (struct gdbarch *gdbarch, int dwarf2_regnr);
+extern void set_gdbarch_dwarf2_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_dwarf2_reg_to_regnum_ftype *dwarf2_reg_to_regnum);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (DWARF2_REG_TO_REGNUM)
+#error "Non multi-arch definition of DWARF2_REG_TO_REGNUM"
+#endif
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (DWARF2_REG_TO_REGNUM)
+#define DWARF2_REG_TO_REGNUM(dwarf2_regnr) (gdbarch_dwarf2_reg_to_regnum (current_gdbarch, dwarf2_regnr))
+#endif
+#endif
+
 /* Default (function) for non- multi-arch platforms. */
 #if (!GDB_MULTI_ARCH) && !defined (REGISTER_NAME)
 #define REGISTER_NAME(regnr) (legacy_register_name (regnr))
@@ -383,6 +677,9 @@ extern void set_gdbarch_nnpc_regnum (struct gdbarch *gdbarch, int nnpc_regnum);
 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 > GDB_MULTI_ARCH_PARTIAL) && defined (REGISTER_NAME)
+#error "Non multi-arch definition of REGISTER_NAME"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (REGISTER_NAME)
 #define REGISTER_NAME(regnr) (gdbarch_register_name (current_gdbarch, regnr))
@@ -391,6 +688,9 @@ extern void set_gdbarch_register_name (struct gdbarch *gdbarch, gdbarch_register
 
 extern int gdbarch_register_size (struct gdbarch *gdbarch);
 extern void set_gdbarch_register_size (struct gdbarch *gdbarch, int register_size);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (REGISTER_SIZE)
+#error "Non multi-arch definition of REGISTER_SIZE"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (REGISTER_SIZE)
 #define REGISTER_SIZE (gdbarch_register_size (current_gdbarch))
@@ -399,6 +699,9 @@ extern void set_gdbarch_register_size (struct gdbarch *gdbarch, int register_siz
 
 extern int gdbarch_register_bytes (struct gdbarch *gdbarch);
 extern void set_gdbarch_register_bytes (struct gdbarch *gdbarch, int register_bytes);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (REGISTER_BYTES)
+#error "Non multi-arch definition of REGISTER_BYTES"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (REGISTER_BYTES)
 #define REGISTER_BYTES (gdbarch_register_bytes (current_gdbarch))
@@ -408,6 +711,9 @@ extern void set_gdbarch_register_bytes (struct gdbarch *gdbarch, int register_by
 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 > GDB_MULTI_ARCH_PARTIAL) && defined (REGISTER_BYTE)
+#error "Non multi-arch definition of REGISTER_BYTE"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (REGISTER_BYTE)
 #define REGISTER_BYTE(reg_nr) (gdbarch_register_byte (current_gdbarch, reg_nr))
@@ -417,6 +723,9 @@ extern void set_gdbarch_register_byte (struct gdbarch *gdbarch, gdbarch_register
 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 > GDB_MULTI_ARCH_PARTIAL) && defined (REGISTER_RAW_SIZE)
+#error "Non multi-arch definition of REGISTER_RAW_SIZE"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (REGISTER_RAW_SIZE)
 #define REGISTER_RAW_SIZE(reg_nr) (gdbarch_register_raw_size (current_gdbarch, reg_nr))
@@ -425,6 +734,9 @@ extern void set_gdbarch_register_raw_size (struct gdbarch *gdbarch, gdbarch_regi
 
 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 > GDB_MULTI_ARCH_PARTIAL) && defined (MAX_REGISTER_RAW_SIZE)
+#error "Non multi-arch definition of MAX_REGISTER_RAW_SIZE"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (MAX_REGISTER_RAW_SIZE)
 #define MAX_REGISTER_RAW_SIZE (gdbarch_max_register_raw_size (current_gdbarch))
@@ -434,6 +746,9 @@ extern void set_gdbarch_max_register_raw_size (struct gdbarch *gdbarch, int max_
 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 > GDB_MULTI_ARCH_PARTIAL) && defined (REGISTER_VIRTUAL_SIZE)
+#error "Non multi-arch definition of REGISTER_VIRTUAL_SIZE"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (REGISTER_VIRTUAL_SIZE)
 #define REGISTER_VIRTUAL_SIZE(reg_nr) (gdbarch_register_virtual_size (current_gdbarch, reg_nr))
@@ -442,6 +757,9 @@ extern void set_gdbarch_register_virtual_size (struct gdbarch *gdbarch, gdbarch_
 
 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 > GDB_MULTI_ARCH_PARTIAL) && defined (MAX_REGISTER_VIRTUAL_SIZE)
+#error "Non multi-arch definition of MAX_REGISTER_VIRTUAL_SIZE"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (MAX_REGISTER_VIRTUAL_SIZE)
 #define MAX_REGISTER_VIRTUAL_SIZE (gdbarch_max_register_virtual_size (current_gdbarch))
@@ -451,6 +769,9 @@ extern void set_gdbarch_max_register_virtual_size (struct gdbarch *gdbarch, int
 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 > GDB_MULTI_ARCH_PARTIAL) && defined (REGISTER_VIRTUAL_TYPE)
+#error "Non multi-arch definition of REGISTER_VIRTUAL_TYPE"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (REGISTER_VIRTUAL_TYPE)
 #define REGISTER_VIRTUAL_TYPE(reg_nr) (gdbarch_register_virtual_type (current_gdbarch, reg_nr))
@@ -465,12 +786,32 @@ extern void set_gdbarch_register_virtual_type (struct gdbarch *gdbarch, gdbarch_
 typedef void (gdbarch_do_registers_info_ftype) (int reg_nr, int fpregs);
 extern void gdbarch_do_registers_info (struct gdbarch *gdbarch, int reg_nr, int fpregs);
 extern void set_gdbarch_do_registers_info (struct gdbarch *gdbarch, gdbarch_do_registers_info_ftype *do_registers_info);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (DO_REGISTERS_INFO)
+#error "Non multi-arch definition of DO_REGISTERS_INFO"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (DO_REGISTERS_INFO)
 #define DO_REGISTERS_INFO(reg_nr, fpregs) (gdbarch_do_registers_info (current_gdbarch, reg_nr, fpregs))
 #endif
 #endif
 
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (PRINT_FLOAT_INFO)
+#define PRINT_FLOAT_INFO() (default_print_float_info ())
+#endif
+
+typedef void (gdbarch_print_float_info_ftype) (void);
+extern void gdbarch_print_float_info (struct gdbarch *gdbarch);
+extern void set_gdbarch_print_float_info (struct gdbarch *gdbarch, gdbarch_print_float_info_ftype *print_float_info);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (PRINT_FLOAT_INFO)
+#error "Non multi-arch definition of PRINT_FLOAT_INFO"
+#endif
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (PRINT_FLOAT_INFO)
+#define PRINT_FLOAT_INFO() (gdbarch_print_float_info (current_gdbarch))
+#endif
+#endif
+
 /* MAP a GDB RAW register number onto a simulator register number.  See
    also include/...-sim.h. */
 
@@ -482,24 +823,151 @@ extern void set_gdbarch_do_registers_info (struct gdbarch *gdbarch, gdbarch_do_r
 typedef int (gdbarch_register_sim_regno_ftype) (int reg_nr);
 extern int gdbarch_register_sim_regno (struct gdbarch *gdbarch, int reg_nr);
 extern void set_gdbarch_register_sim_regno (struct gdbarch *gdbarch, gdbarch_register_sim_regno_ftype *register_sim_regno);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (REGISTER_SIM_REGNO)
+#error "Non multi-arch definition of REGISTER_SIM_REGNO"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (REGISTER_SIM_REGNO)
 #define REGISTER_SIM_REGNO(reg_nr) (gdbarch_register_sim_regno (current_gdbarch, reg_nr))
 #endif
 #endif
 
+#if defined (REGISTER_BYTES_OK)
+/* Legacy for systems yet to multi-arch REGISTER_BYTES_OK */
+#if !defined (REGISTER_BYTES_OK_P)
+#define REGISTER_BYTES_OK_P() (1)
+#endif
+#endif
+
+/* Default predicate for non- multi-arch targets. */
+#if (!GDB_MULTI_ARCH) && !defined (REGISTER_BYTES_OK_P)
+#define REGISTER_BYTES_OK_P() (0)
+#endif
+
+extern int gdbarch_register_bytes_ok_p (struct gdbarch *gdbarch);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (REGISTER_BYTES_OK_P)
+#error "Non multi-arch definition of REGISTER_BYTES_OK"
+#endif
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (REGISTER_BYTES_OK_P)
+#define REGISTER_BYTES_OK_P() (gdbarch_register_bytes_ok_p (current_gdbarch))
+#endif
+
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (REGISTER_BYTES_OK)
+#define REGISTER_BYTES_OK(nr_bytes) (internal_error (__FILE__, __LINE__, "REGISTER_BYTES_OK"), 0)
+#endif
+
+typedef int (gdbarch_register_bytes_ok_ftype) (long nr_bytes);
+extern int gdbarch_register_bytes_ok (struct gdbarch *gdbarch, long nr_bytes);
+extern void set_gdbarch_register_bytes_ok (struct gdbarch *gdbarch, gdbarch_register_bytes_ok_ftype *register_bytes_ok);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (REGISTER_BYTES_OK)
+#error "Non multi-arch definition of REGISTER_BYTES_OK"
+#endif
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (REGISTER_BYTES_OK)
+#define REGISTER_BYTES_OK(nr_bytes) (gdbarch_register_bytes_ok (current_gdbarch, nr_bytes))
+#endif
+#endif
+
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (CANNOT_FETCH_REGISTER)
+#define CANNOT_FETCH_REGISTER(regnum) (cannot_register_not (regnum))
+#endif
+
+typedef int (gdbarch_cannot_fetch_register_ftype) (int regnum);
+extern int gdbarch_cannot_fetch_register (struct gdbarch *gdbarch, int regnum);
+extern void set_gdbarch_cannot_fetch_register (struct gdbarch *gdbarch, gdbarch_cannot_fetch_register_ftype *cannot_fetch_register);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (CANNOT_FETCH_REGISTER)
+#error "Non multi-arch definition of CANNOT_FETCH_REGISTER"
+#endif
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (CANNOT_FETCH_REGISTER)
+#define CANNOT_FETCH_REGISTER(regnum) (gdbarch_cannot_fetch_register (current_gdbarch, regnum))
+#endif
+#endif
+
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (CANNOT_STORE_REGISTER)
+#define CANNOT_STORE_REGISTER(regnum) (cannot_register_not (regnum))
+#endif
+
+typedef int (gdbarch_cannot_store_register_ftype) (int regnum);
+extern int gdbarch_cannot_store_register (struct gdbarch *gdbarch, int regnum);
+extern void set_gdbarch_cannot_store_register (struct gdbarch *gdbarch, gdbarch_cannot_store_register_ftype *cannot_store_register);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (CANNOT_STORE_REGISTER)
+#error "Non multi-arch definition of CANNOT_STORE_REGISTER"
+#endif
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (CANNOT_STORE_REGISTER)
+#define CANNOT_STORE_REGISTER(regnum) (gdbarch_cannot_store_register (current_gdbarch, regnum))
+#endif
+#endif
+
+/* setjmp/longjmp support. */
+
+#if defined (GET_LONGJMP_TARGET)
+/* Legacy for systems yet to multi-arch GET_LONGJMP_TARGET */
+#if !defined (GET_LONGJMP_TARGET_P)
+#define GET_LONGJMP_TARGET_P() (1)
+#endif
+#endif
+
+/* Default predicate for non- multi-arch targets. */
+#if (!GDB_MULTI_ARCH) && !defined (GET_LONGJMP_TARGET_P)
+#define GET_LONGJMP_TARGET_P() (0)
+#endif
+
+extern int gdbarch_get_longjmp_target_p (struct gdbarch *gdbarch);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (GET_LONGJMP_TARGET_P)
+#error "Non multi-arch definition of GET_LONGJMP_TARGET"
+#endif
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (GET_LONGJMP_TARGET_P)
+#define GET_LONGJMP_TARGET_P() (gdbarch_get_longjmp_target_p (current_gdbarch))
+#endif
+
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (GET_LONGJMP_TARGET)
+#define GET_LONGJMP_TARGET(pc) (internal_error (__FILE__, __LINE__, "GET_LONGJMP_TARGET"), 0)
+#endif
+
+typedef int (gdbarch_get_longjmp_target_ftype) (CORE_ADDR *pc);
+extern int gdbarch_get_longjmp_target (struct gdbarch *gdbarch, CORE_ADDR *pc);
+extern void set_gdbarch_get_longjmp_target (struct gdbarch *gdbarch, gdbarch_get_longjmp_target_ftype *get_longjmp_target);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (GET_LONGJMP_TARGET)
+#error "Non multi-arch definition of GET_LONGJMP_TARGET"
+#endif
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (GET_LONGJMP_TARGET)
+#define GET_LONGJMP_TARGET(pc) (gdbarch_get_longjmp_target (current_gdbarch, pc))
+#endif
+#endif
+
+/* Non multi-arch DUMMY_FRAMES are a mess (multi-arch ones are not that
+   much better but at least they are vaguely consistent).  The headers
+   and body contain convoluted #if/#else sequences for determine how
+   things should be compiled.  Instead of trying to mimic that
+   behaviour here (and hence entrench it further) gdbarch simply
+   reqires that these methods be set up from the word go.  This also
+   avoids any potential problems with moving beyond multi-arch partial. */
+
 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 >= GDB_MULTI_ARCH_PARTIAL) && defined (USE_GENERIC_DUMMY_FRAMES)
+#error "Non multi-arch definition of USE_GENERIC_DUMMY_FRAMES"
+#endif
 #if GDB_MULTI_ARCH
-#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (USE_GENERIC_DUMMY_FRAMES)
+#if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PARTIAL) || !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 >= GDB_MULTI_ARCH_PARTIAL) && defined (CALL_DUMMY_LOCATION)
+#error "Non multi-arch definition of CALL_DUMMY_LOCATION"
+#endif
 #if GDB_MULTI_ARCH
-#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (CALL_DUMMY_LOCATION)
+#if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PARTIAL) || !defined (CALL_DUMMY_LOCATION)
 #define CALL_DUMMY_LOCATION (gdbarch_call_dummy_location (current_gdbarch))
 #endif
 #endif
@@ -507,6 +975,9 @@ extern void set_gdbarch_call_dummy_location (struct gdbarch *gdbarch, int call_d
 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 > GDB_MULTI_ARCH_PARTIAL) && defined (CALL_DUMMY_ADDRESS)
+#error "Non multi-arch definition of CALL_DUMMY_ADDRESS"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (CALL_DUMMY_ADDRESS)
 #define CALL_DUMMY_ADDRESS() (gdbarch_call_dummy_address (current_gdbarch))
@@ -515,6 +986,9 @@ extern void set_gdbarch_call_dummy_address (struct gdbarch *gdbarch, gdbarch_cal
 
 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 > GDB_MULTI_ARCH_PARTIAL) && defined (CALL_DUMMY_START_OFFSET)
+#error "Non multi-arch definition of CALL_DUMMY_START_OFFSET"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (CALL_DUMMY_START_OFFSET)
 #define CALL_DUMMY_START_OFFSET (gdbarch_call_dummy_start_offset (current_gdbarch))
@@ -523,6 +997,9 @@ extern void set_gdbarch_call_dummy_start_offset (struct gdbarch *gdbarch, CORE_A
 
 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 > GDB_MULTI_ARCH_PARTIAL) && defined (CALL_DUMMY_BREAKPOINT_OFFSET)
+#error "Non multi-arch definition of CALL_DUMMY_BREAKPOINT_OFFSET"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (CALL_DUMMY_BREAKPOINT_OFFSET)
 #define CALL_DUMMY_BREAKPOINT_OFFSET (gdbarch_call_dummy_breakpoint_offset (current_gdbarch))
@@ -531,14 +1008,20 @@ extern void set_gdbarch_call_dummy_breakpoint_offset (struct gdbarch *gdbarch, C
 
 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 >= GDB_MULTI_ARCH_PARTIAL) && defined (CALL_DUMMY_BREAKPOINT_OFFSET_P)
+#error "Non multi-arch definition of CALL_DUMMY_BREAKPOINT_OFFSET_P"
+#endif
 #if GDB_MULTI_ARCH
-#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (CALL_DUMMY_BREAKPOINT_OFFSET_P)
+#if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PARTIAL) || !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 > GDB_MULTI_ARCH_PARTIAL) && defined (CALL_DUMMY_LENGTH)
+#error "Non multi-arch definition of CALL_DUMMY_LENGTH"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (CALL_DUMMY_LENGTH)
 #define CALL_DUMMY_LENGTH (gdbarch_call_dummy_length (current_gdbarch))
@@ -548,16 +1031,22 @@ extern void set_gdbarch_call_dummy_length (struct gdbarch *gdbarch, int call_dum
 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 >= GDB_MULTI_ARCH_PARTIAL) && defined (PC_IN_CALL_DUMMY)
+#error "Non multi-arch definition of PC_IN_CALL_DUMMY"
+#endif
 #if GDB_MULTI_ARCH
-#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (PC_IN_CALL_DUMMY)
+#if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PARTIAL) || !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 >= GDB_MULTI_ARCH_PARTIAL) && defined (CALL_DUMMY_P)
+#error "Non multi-arch definition of CALL_DUMMY_P"
+#endif
 #if GDB_MULTI_ARCH
-#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (CALL_DUMMY_P)
+#if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PARTIAL) || !defined (CALL_DUMMY_P)
 #define CALL_DUMMY_P (gdbarch_call_dummy_p (current_gdbarch))
 #endif
 #endif
@@ -569,6 +1058,9 @@ extern void set_gdbarch_call_dummy_p (struct gdbarch *gdbarch, int call_dummy_p)
 
 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 > GDB_MULTI_ARCH_PARTIAL) && defined (CALL_DUMMY_WORDS)
+#error "Non multi-arch definition of CALL_DUMMY_WORDS"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (CALL_DUMMY_WORDS)
 #define CALL_DUMMY_WORDS (gdbarch_call_dummy_words (current_gdbarch))
@@ -582,6 +1074,9 @@ extern void set_gdbarch_call_dummy_words (struct gdbarch *gdbarch, LONGEST * cal
 
 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 > GDB_MULTI_ARCH_PARTIAL) && defined (SIZEOF_CALL_DUMMY_WORDS)
+#error "Non multi-arch definition of SIZEOF_CALL_DUMMY_WORDS"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (SIZEOF_CALL_DUMMY_WORDS)
 #define SIZEOF_CALL_DUMMY_WORDS (gdbarch_sizeof_call_dummy_words (current_gdbarch))
@@ -590,14 +1085,20 @@ extern void set_gdbarch_sizeof_call_dummy_words (struct gdbarch *gdbarch, int si
 
 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 >= GDB_MULTI_ARCH_PARTIAL) && defined (CALL_DUMMY_STACK_ADJUST_P)
+#error "Non multi-arch definition of CALL_DUMMY_STACK_ADJUST_P"
+#endif
 #if GDB_MULTI_ARCH
-#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (CALL_DUMMY_STACK_ADJUST_P)
+#if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PARTIAL) || !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 > GDB_MULTI_ARCH_PARTIAL) && defined (CALL_DUMMY_STACK_ADJUST)
+#error "Non multi-arch definition of CALL_DUMMY_STACK_ADJUST"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (CALL_DUMMY_STACK_ADJUST)
 #define CALL_DUMMY_STACK_ADJUST (gdbarch_call_dummy_stack_adjust (current_gdbarch))
@@ -607,14 +1108,54 @@ extern void set_gdbarch_call_dummy_stack_adjust (struct gdbarch *gdbarch, int ca
 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 > GDB_MULTI_ARCH_PARTIAL) && defined (FIX_CALL_DUMMY)
+#error "Non multi-arch definition of FIX_CALL_DUMMY"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !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
 
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (INIT_FRAME_PC_FIRST)
+#define INIT_FRAME_PC_FIRST(fromleaf, prev) (init_frame_pc_noop (fromleaf, prev))
+#endif
+
+typedef void (gdbarch_init_frame_pc_first_ftype) (int fromleaf, struct frame_info *prev);
+extern void gdbarch_init_frame_pc_first (struct gdbarch *gdbarch, int fromleaf, struct frame_info *prev);
+extern void set_gdbarch_init_frame_pc_first (struct gdbarch *gdbarch, gdbarch_init_frame_pc_first_ftype *init_frame_pc_first);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (INIT_FRAME_PC_FIRST)
+#error "Non multi-arch definition of INIT_FRAME_PC_FIRST"
+#endif
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (INIT_FRAME_PC_FIRST)
+#define INIT_FRAME_PC_FIRST(fromleaf, prev) (gdbarch_init_frame_pc_first (current_gdbarch, fromleaf, prev))
+#endif
+#endif
+
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (INIT_FRAME_PC)
+#define INIT_FRAME_PC(fromleaf, prev) (init_frame_pc_default (fromleaf, prev))
+#endif
+
+typedef void (gdbarch_init_frame_pc_ftype) (int fromleaf, struct frame_info *prev);
+extern void gdbarch_init_frame_pc (struct gdbarch *gdbarch, int fromleaf, struct frame_info *prev);
+extern void set_gdbarch_init_frame_pc (struct gdbarch *gdbarch, gdbarch_init_frame_pc_ftype *init_frame_pc);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (INIT_FRAME_PC)
+#error "Non multi-arch definition of INIT_FRAME_PC"
+#endif
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (INIT_FRAME_PC)
+#define INIT_FRAME_PC(fromleaf, prev) (gdbarch_init_frame_pc (current_gdbarch, fromleaf, prev))
+#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 > GDB_MULTI_ARCH_PARTIAL) && defined (BELIEVE_PCC_PROMOTION)
+#error "Non multi-arch definition of BELIEVE_PCC_PROMOTION"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (BELIEVE_PCC_PROMOTION)
 #define BELIEVE_PCC_PROMOTION (gdbarch_believe_pcc_promotion (current_gdbarch))
@@ -623,6 +1164,9 @@ extern void set_gdbarch_believe_pcc_promotion (struct gdbarch *gdbarch, int beli
 
 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 > GDB_MULTI_ARCH_PARTIAL) && defined (BELIEVE_PCC_PROMOTION_TYPE)
+#error "Non multi-arch definition of BELIEVE_PCC_PROMOTION_TYPE"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (BELIEVE_PCC_PROMOTION_TYPE)
 #define BELIEVE_PCC_PROMOTION_TYPE (gdbarch_believe_pcc_promotion_type (current_gdbarch))
@@ -637,17 +1181,27 @@ extern void set_gdbarch_believe_pcc_promotion_type (struct gdbarch *gdbarch, int
 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 > GDB_MULTI_ARCH_PARTIAL) && defined (COERCE_FLOAT_TO_DOUBLE)
+#error "Non multi-arch definition of COERCE_FLOAT_TO_DOUBLE"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (COERCE_FLOAT_TO_DOUBLE)
 #define COERCE_FLOAT_TO_DOUBLE(formal, actual) (gdbarch_coerce_float_to_double (current_gdbarch, formal, actual))
 #endif
 #endif
 
+/* GET_SAVED_REGISTER is like DUMMY_FRAMES.  It is at level one as the
+   old code has strange #ifdef interaction.  So far no one has found
+   that default_get_saved_register() is the default they are after. */
+
 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 >= GDB_MULTI_ARCH_PARTIAL) && defined (GET_SAVED_REGISTER)
+#error "Non multi-arch definition of GET_SAVED_REGISTER"
+#endif
 #if GDB_MULTI_ARCH
-#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (GET_SAVED_REGISTER)
+#if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PARTIAL) || !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
@@ -660,6 +1214,9 @@ extern void set_gdbarch_get_saved_register (struct gdbarch *gdbarch, gdbarch_get
 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 > GDB_MULTI_ARCH_PARTIAL) && defined (REGISTER_CONVERTIBLE)
+#error "Non multi-arch definition of REGISTER_CONVERTIBLE"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (REGISTER_CONVERTIBLE)
 #define REGISTER_CONVERTIBLE(nr) (gdbarch_register_convertible (current_gdbarch, nr))
@@ -668,12 +1225,15 @@ extern void set_gdbarch_register_convertible (struct gdbarch *gdbarch, gdbarch_r
 
 /* Default (function) for non- multi-arch platforms. */
 #if (!GDB_MULTI_ARCH) && !defined (REGISTER_CONVERT_TO_VIRTUAL)
-#define REGISTER_CONVERT_TO_VIRTUAL(regnum, type, from, to) (internal_error ("REGISTER_CONVERT_TO_VIRTUAL"), 0)
+#define REGISTER_CONVERT_TO_VIRTUAL(regnum, type, from, to) (internal_error (__FILE__, __LINE__, "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 > GDB_MULTI_ARCH_PARTIAL) && defined (REGISTER_CONVERT_TO_VIRTUAL)
+#error "Non multi-arch definition of REGISTER_CONVERT_TO_VIRTUAL"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !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))
@@ -682,12 +1242,15 @@ extern void set_gdbarch_register_convert_to_virtual (struct gdbarch *gdbarch, gd
 
 /* Default (function) for non- multi-arch platforms. */
 #if (!GDB_MULTI_ARCH) && !defined (REGISTER_CONVERT_TO_RAW)
-#define REGISTER_CONVERT_TO_RAW(type, regnum, from, to) (internal_error ("REGISTER_CONVERT_TO_RAW"), 0)
+#define REGISTER_CONVERT_TO_RAW(type, regnum, from, to) (internal_error (__FILE__, __LINE__, "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 > GDB_MULTI_ARCH_PARTIAL) && defined (REGISTER_CONVERT_TO_RAW)
+#error "Non multi-arch definition of REGISTER_CONVERT_TO_RAW"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !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))
@@ -698,14 +1261,37 @@ extern void set_gdbarch_register_convert_to_raw (struct gdbarch *gdbarch, gdbarc
    be updated.  Typically it will be defined on a per-architecture
    basis. */
 
+#if defined (FETCH_PSEUDO_REGISTER)
+/* Legacy for systems yet to multi-arch FETCH_PSEUDO_REGISTER */
+#if !defined (FETCH_PSEUDO_REGISTER_P)
+#define FETCH_PSEUDO_REGISTER_P() (1)
+#endif
+#endif
+
+/* Default predicate for non- multi-arch targets. */
+#if (!GDB_MULTI_ARCH) && !defined (FETCH_PSEUDO_REGISTER_P)
+#define FETCH_PSEUDO_REGISTER_P() (0)
+#endif
+
+extern int gdbarch_fetch_pseudo_register_p (struct gdbarch *gdbarch);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (FETCH_PSEUDO_REGISTER_P)
+#error "Non multi-arch definition of FETCH_PSEUDO_REGISTER"
+#endif
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (FETCH_PSEUDO_REGISTER_P)
+#define FETCH_PSEUDO_REGISTER_P() (gdbarch_fetch_pseudo_register_p (current_gdbarch))
+#endif
+
 /* Default (function) for non- multi-arch platforms. */
 #if (!GDB_MULTI_ARCH) && !defined (FETCH_PSEUDO_REGISTER)
-#define FETCH_PSEUDO_REGISTER(regnum) (internal_error ("FETCH_PSEUDO_REGISTER"), 0)
+#define FETCH_PSEUDO_REGISTER(regnum) (internal_error (__FILE__, __LINE__, "FETCH_PSEUDO_REGISTER"), 0)
 #endif
 
 typedef void (gdbarch_fetch_pseudo_register_ftype) (int regnum);
 extern void gdbarch_fetch_pseudo_register (struct gdbarch *gdbarch, int regnum);
 extern void set_gdbarch_fetch_pseudo_register (struct gdbarch *gdbarch, gdbarch_fetch_pseudo_register_ftype *fetch_pseudo_register);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (FETCH_PSEUDO_REGISTER)
+#error "Non multi-arch definition of FETCH_PSEUDO_REGISTER"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (FETCH_PSEUDO_REGISTER)
 #define FETCH_PSEUDO_REGISTER(regnum) (gdbarch_fetch_pseudo_register (current_gdbarch, regnum))
@@ -716,14 +1302,37 @@ extern void set_gdbarch_fetch_pseudo_register (struct gdbarch *gdbarch, gdbarch_
    be set or stored.  Typically it will be defined on a
    per-architecture basis. */
 
-/* Default (function) for non- multi-arch platforms. */
-#if (!GDB_MULTI_ARCH) && !defined (STORE_PSEUDO_REGISTER)
-#define STORE_PSEUDO_REGISTER(regnum) (internal_error ("STORE_PSEUDO_REGISTER"), 0)
+#if defined (STORE_PSEUDO_REGISTER)
+/* Legacy for systems yet to multi-arch STORE_PSEUDO_REGISTER */
+#if !defined (STORE_PSEUDO_REGISTER_P)
+#define STORE_PSEUDO_REGISTER_P() (1)
+#endif
 #endif
 
-typedef void (gdbarch_store_pseudo_register_ftype) (int regnum);
-extern void gdbarch_store_pseudo_register (struct gdbarch *gdbarch, int regnum);
+/* Default predicate for non- multi-arch targets. */
+#if (!GDB_MULTI_ARCH) && !defined (STORE_PSEUDO_REGISTER_P)
+#define STORE_PSEUDO_REGISTER_P() (0)
+#endif
+
+extern int gdbarch_store_pseudo_register_p (struct gdbarch *gdbarch);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (STORE_PSEUDO_REGISTER_P)
+#error "Non multi-arch definition of STORE_PSEUDO_REGISTER"
+#endif
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (STORE_PSEUDO_REGISTER_P)
+#define STORE_PSEUDO_REGISTER_P() (gdbarch_store_pseudo_register_p (current_gdbarch))
+#endif
+
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (STORE_PSEUDO_REGISTER)
+#define STORE_PSEUDO_REGISTER(regnum) (internal_error (__FILE__, __LINE__, "STORE_PSEUDO_REGISTER"), 0)
+#endif
+
+typedef void (gdbarch_store_pseudo_register_ftype) (int regnum);
+extern void gdbarch_store_pseudo_register (struct gdbarch *gdbarch, int regnum);
 extern void set_gdbarch_store_pseudo_register (struct gdbarch *gdbarch, gdbarch_store_pseudo_register_ftype *store_pseudo_register);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (STORE_PSEUDO_REGISTER)
+#error "Non multi-arch definition of STORE_PSEUDO_REGISTER"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (STORE_PSEUDO_REGISTER)
 #define STORE_PSEUDO_REGISTER(regnum) (gdbarch_store_pseudo_register (current_gdbarch, regnum))
@@ -738,6 +1347,9 @@ extern void set_gdbarch_store_pseudo_register (struct gdbarch *gdbarch, gdbarch_
 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 > GDB_MULTI_ARCH_PARTIAL) && defined (POINTER_TO_ADDRESS)
+#error "Non multi-arch definition of POINTER_TO_ADDRESS"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (POINTER_TO_ADDRESS)
 #define POINTER_TO_ADDRESS(type, buf) (gdbarch_pointer_to_address (current_gdbarch, type, buf))
@@ -752,12 +1364,52 @@ extern void set_gdbarch_pointer_to_address (struct gdbarch *gdbarch, gdbarch_poi
 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 > GDB_MULTI_ARCH_PARTIAL) && defined (ADDRESS_TO_POINTER)
+#error "Non multi-arch definition of ADDRESS_TO_POINTER"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (ADDRESS_TO_POINTER)
 #define ADDRESS_TO_POINTER(type, buf, addr) (gdbarch_address_to_pointer (current_gdbarch, type, buf, addr))
 #endif
 #endif
 
+#if defined (INTEGER_TO_ADDRESS)
+/* Legacy for systems yet to multi-arch INTEGER_TO_ADDRESS */
+#if !defined (INTEGER_TO_ADDRESS_P)
+#define INTEGER_TO_ADDRESS_P() (1)
+#endif
+#endif
+
+/* Default predicate for non- multi-arch targets. */
+#if (!GDB_MULTI_ARCH) && !defined (INTEGER_TO_ADDRESS_P)
+#define INTEGER_TO_ADDRESS_P() (0)
+#endif
+
+extern int gdbarch_integer_to_address_p (struct gdbarch *gdbarch);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (INTEGER_TO_ADDRESS_P)
+#error "Non multi-arch definition of INTEGER_TO_ADDRESS"
+#endif
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (INTEGER_TO_ADDRESS_P)
+#define INTEGER_TO_ADDRESS_P() (gdbarch_integer_to_address_p (current_gdbarch))
+#endif
+
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (INTEGER_TO_ADDRESS)
+#define INTEGER_TO_ADDRESS(type, buf) (internal_error (__FILE__, __LINE__, "INTEGER_TO_ADDRESS"), 0)
+#endif
+
+typedef CORE_ADDR (gdbarch_integer_to_address_ftype) (struct type *type, void *buf);
+extern CORE_ADDR gdbarch_integer_to_address (struct gdbarch *gdbarch, struct type *type, void *buf);
+extern void set_gdbarch_integer_to_address (struct gdbarch *gdbarch, gdbarch_integer_to_address_ftype *integer_to_address);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (INTEGER_TO_ADDRESS)
+#error "Non multi-arch definition of INTEGER_TO_ADDRESS"
+#endif
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (INTEGER_TO_ADDRESS)
+#define INTEGER_TO_ADDRESS(type, buf) (gdbarch_integer_to_address (current_gdbarch, type, buf))
+#endif
+#endif
+
 /* Default (function) for non- multi-arch platforms. */
 #if (!GDB_MULTI_ARCH) && !defined (RETURN_VALUE_ON_STACK)
 #define RETURN_VALUE_ON_STACK(type) (generic_return_value_on_stack_not (type))
@@ -766,6 +1418,9 @@ extern void set_gdbarch_address_to_pointer (struct gdbarch *gdbarch, gdbarch_add
 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 > GDB_MULTI_ARCH_PARTIAL) && defined (RETURN_VALUE_ON_STACK)
+#error "Non multi-arch definition of RETURN_VALUE_ON_STACK"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (RETURN_VALUE_ON_STACK)
 #define RETURN_VALUE_ON_STACK(type) (gdbarch_return_value_on_stack (current_gdbarch, type))
@@ -775,15 +1430,26 @@ extern void set_gdbarch_return_value_on_stack (struct gdbarch *gdbarch, gdbarch_
 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 > GDB_MULTI_ARCH_PARTIAL) && defined (EXTRACT_RETURN_VALUE)
+#error "Non multi-arch definition of EXTRACT_RETURN_VALUE"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (EXTRACT_RETURN_VALUE)
 #define EXTRACT_RETURN_VALUE(type, regbuf, valbuf) (gdbarch_extract_return_value (current_gdbarch, type, regbuf, valbuf))
 #endif
 #endif
 
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (PUSH_ARGUMENTS)
+#define PUSH_ARGUMENTS(nargs, args, sp, struct_return, struct_addr) (default_push_arguments (nargs, args, sp, struct_return, struct_addr))
+#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 > GDB_MULTI_ARCH_PARTIAL) && defined (PUSH_ARGUMENTS)
+#error "Non multi-arch definition of PUSH_ARGUMENTS"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !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))
@@ -793,119 +1459,70 @@ extern void set_gdbarch_push_arguments (struct gdbarch *gdbarch, gdbarch_push_ar
 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 > GDB_MULTI_ARCH_PARTIAL) && defined (PUSH_DUMMY_FRAME)
+#error "Non multi-arch definition of PUSH_DUMMY_FRAME"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !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 > GDB_MULTI_ARCH_PARTIAL) || !defined (PUSH_RETURN_ADDRESS)
-#define PUSH_RETURN_ADDRESS(pc, sp) (gdbarch_push_return_address (current_gdbarch, pc, sp))
+#if defined (PUSH_RETURN_ADDRESS)
+/* Legacy for systems yet to multi-arch PUSH_RETURN_ADDRESS */
+#if !defined (PUSH_RETURN_ADDRESS_P)
+#define PUSH_RETURN_ADDRESS_P() (1)
 #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 > GDB_MULTI_ARCH_PARTIAL) || !defined (POP_FRAME)
-#define POP_FRAME (gdbarch_pop_frame (current_gdbarch))
-#endif
-#endif
-
-/* I wish that these would just go away.... */
-
-/* Default (function) for non- multi-arch platforms. */
-#if (!GDB_MULTI_ARCH) && !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 > GDB_MULTI_ARCH_PARTIAL) || !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) && !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 > GDB_MULTI_ARCH_PARTIAL) || !defined (D10V_MAKE_IADDR)
-#define D10V_MAKE_IADDR(x) (gdbarch_d10v_make_iaddr (current_gdbarch, x))
-#endif
+/* Default predicate for non- multi-arch targets. */
+#if (!GDB_MULTI_ARCH) && !defined (PUSH_RETURN_ADDRESS_P)
+#define PUSH_RETURN_ADDRESS_P() (0)
 #endif
 
-/* Default (function) for non- multi-arch platforms. */
-#if (!GDB_MULTI_ARCH) && !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 > GDB_MULTI_ARCH_PARTIAL) || !defined (D10V_DADDR_P)
-#define D10V_DADDR_P(x) (gdbarch_d10v_daddr_p (current_gdbarch, x))
+extern int gdbarch_push_return_address_p (struct gdbarch *gdbarch);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (PUSH_RETURN_ADDRESS_P)
+#error "Non multi-arch definition of PUSH_RETURN_ADDRESS"
 #endif
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (PUSH_RETURN_ADDRESS_P)
+#define PUSH_RETURN_ADDRESS_P() (gdbarch_push_return_address_p (current_gdbarch))
 #endif
 
 /* Default (function) for non- multi-arch platforms. */
-#if (!GDB_MULTI_ARCH) && !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 > GDB_MULTI_ARCH_PARTIAL) || !defined (D10V_IADDR_P)
-#define D10V_IADDR_P(x) (gdbarch_d10v_iaddr_p (current_gdbarch, x))
-#endif
+#if (!GDB_MULTI_ARCH) && !defined (PUSH_RETURN_ADDRESS)
+#define PUSH_RETURN_ADDRESS(pc, sp) (internal_error (__FILE__, __LINE__, "PUSH_RETURN_ADDRESS"), 0)
 #endif
 
-/* Default (function) for non- multi-arch platforms. */
-#if (!GDB_MULTI_ARCH) && !defined (D10V_CONVERT_DADDR_TO_RAW)
-#define D10V_CONVERT_DADDR_TO_RAW(x) (internal_error ("D10V_CONVERT_DADDR_TO_RAW"), 0)
+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 > GDB_MULTI_ARCH_PARTIAL) && defined (PUSH_RETURN_ADDRESS)
+#error "Non multi-arch definition of PUSH_RETURN_ADDRESS"
 #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 > GDB_MULTI_ARCH_PARTIAL) || !defined (D10V_CONVERT_DADDR_TO_RAW)
-#define D10V_CONVERT_DADDR_TO_RAW(x) (gdbarch_d10v_convert_daddr_to_raw (current_gdbarch, x))
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (PUSH_RETURN_ADDRESS)
+#define PUSH_RETURN_ADDRESS(pc, sp) (gdbarch_push_return_address (current_gdbarch, pc, sp))
 #endif
 #endif
 
-/* Default (function) for non- multi-arch platforms. */
-#if (!GDB_MULTI_ARCH) && !defined (D10V_CONVERT_IADDR_TO_RAW)
-#define D10V_CONVERT_IADDR_TO_RAW(x) (internal_error ("D10V_CONVERT_IADDR_TO_RAW"), 0)
+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 > GDB_MULTI_ARCH_PARTIAL) && defined (POP_FRAME)
+#error "Non multi-arch definition of POP_FRAME"
 #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 > GDB_MULTI_ARCH_PARTIAL) || !defined (D10V_CONVERT_IADDR_TO_RAW)
-#define D10V_CONVERT_IADDR_TO_RAW(x) (gdbarch_d10v_convert_iaddr_to_raw (current_gdbarch, x))
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (POP_FRAME)
+#define POP_FRAME (gdbarch_pop_frame (current_gdbarch))
 #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 > GDB_MULTI_ARCH_PARTIAL) && defined (STORE_STRUCT_RETURN)
+#error "Non multi-arch definition of STORE_STRUCT_RETURN"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (STORE_STRUCT_RETURN)
 #define STORE_STRUCT_RETURN(addr, sp) (gdbarch_store_struct_return (current_gdbarch, addr, sp))
@@ -915,24 +1532,63 @@ extern void set_gdbarch_store_struct_return (struct gdbarch *gdbarch, gdbarch_st
 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 > GDB_MULTI_ARCH_PARTIAL) && defined (STORE_RETURN_VALUE)
+#error "Non multi-arch definition of STORE_RETURN_VALUE"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (STORE_RETURN_VALUE)
 #define STORE_RETURN_VALUE(type, valbuf) (gdbarch_store_return_value (current_gdbarch, type, valbuf))
 #endif
 #endif
 
+#if defined (EXTRACT_STRUCT_VALUE_ADDRESS)
+/* Legacy for systems yet to multi-arch EXTRACT_STRUCT_VALUE_ADDRESS */
+#if !defined (EXTRACT_STRUCT_VALUE_ADDRESS_P)
+#define EXTRACT_STRUCT_VALUE_ADDRESS_P() (1)
+#endif
+#endif
+
+/* Default predicate for non- multi-arch targets. */
+#if (!GDB_MULTI_ARCH) && !defined (EXTRACT_STRUCT_VALUE_ADDRESS_P)
+#define EXTRACT_STRUCT_VALUE_ADDRESS_P() (0)
+#endif
+
+extern int gdbarch_extract_struct_value_address_p (struct gdbarch *gdbarch);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (EXTRACT_STRUCT_VALUE_ADDRESS_P)
+#error "Non multi-arch definition of EXTRACT_STRUCT_VALUE_ADDRESS"
+#endif
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (EXTRACT_STRUCT_VALUE_ADDRESS_P)
+#define EXTRACT_STRUCT_VALUE_ADDRESS_P() (gdbarch_extract_struct_value_address_p (current_gdbarch))
+#endif
+
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (EXTRACT_STRUCT_VALUE_ADDRESS)
+#define EXTRACT_STRUCT_VALUE_ADDRESS(regbuf) (internal_error (__FILE__, __LINE__, "EXTRACT_STRUCT_VALUE_ADDRESS"), 0)
+#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 > GDB_MULTI_ARCH_PARTIAL) && defined (EXTRACT_STRUCT_VALUE_ADDRESS)
+#error "Non multi-arch definition of EXTRACT_STRUCT_VALUE_ADDRESS"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (EXTRACT_STRUCT_VALUE_ADDRESS)
 #define EXTRACT_STRUCT_VALUE_ADDRESS(regbuf) (gdbarch_extract_struct_value_address (current_gdbarch, regbuf))
 #endif
 #endif
 
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (USE_STRUCT_CONVENTION)
+#define USE_STRUCT_CONVENTION(gcc_p, value_type) (generic_use_struct_convention (gcc_p, value_type))
+#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 > GDB_MULTI_ARCH_PARTIAL) && defined (USE_STRUCT_CONVENTION)
+#error "Non multi-arch definition of USE_STRUCT_CONVENTION"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (USE_STRUCT_CONVENTION)
 #define USE_STRUCT_CONVENTION(gcc_p, value_type) (gdbarch_use_struct_convention (current_gdbarch, gcc_p, value_type))
@@ -942,15 +1598,46 @@ extern void set_gdbarch_use_struct_convention (struct gdbarch *gdbarch, gdbarch_
 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 > GDB_MULTI_ARCH_PARTIAL) && defined (FRAME_INIT_SAVED_REGS)
+#error "Non multi-arch definition of FRAME_INIT_SAVED_REGS"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (FRAME_INIT_SAVED_REGS)
 #define FRAME_INIT_SAVED_REGS(frame) (gdbarch_frame_init_saved_regs (current_gdbarch, frame))
 #endif
 #endif
 
+#if defined (INIT_EXTRA_FRAME_INFO)
+/* Legacy for systems yet to multi-arch INIT_EXTRA_FRAME_INFO */
+#if !defined (INIT_EXTRA_FRAME_INFO_P)
+#define INIT_EXTRA_FRAME_INFO_P() (1)
+#endif
+#endif
+
+/* Default predicate for non- multi-arch targets. */
+#if (!GDB_MULTI_ARCH) && !defined (INIT_EXTRA_FRAME_INFO_P)
+#define INIT_EXTRA_FRAME_INFO_P() (0)
+#endif
+
+extern int gdbarch_init_extra_frame_info_p (struct gdbarch *gdbarch);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (INIT_EXTRA_FRAME_INFO_P)
+#error "Non multi-arch definition of INIT_EXTRA_FRAME_INFO"
+#endif
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (INIT_EXTRA_FRAME_INFO_P)
+#define INIT_EXTRA_FRAME_INFO_P() (gdbarch_init_extra_frame_info_p (current_gdbarch))
+#endif
+
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (INIT_EXTRA_FRAME_INFO)
+#define INIT_EXTRA_FRAME_INFO(fromleaf, frame) (internal_error (__FILE__, __LINE__, "INIT_EXTRA_FRAME_INFO"), 0)
+#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 > GDB_MULTI_ARCH_PARTIAL) && defined (INIT_EXTRA_FRAME_INFO)
+#error "Non multi-arch definition of INIT_EXTRA_FRAME_INFO"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (INIT_EXTRA_FRAME_INFO)
 #define INIT_EXTRA_FRAME_INFO(fromleaf, frame) (gdbarch_init_extra_frame_info (current_gdbarch, fromleaf, frame))
@@ -960,6 +1647,9 @@ extern void set_gdbarch_init_extra_frame_info (struct gdbarch *gdbarch, gdbarch_
 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 > GDB_MULTI_ARCH_PARTIAL) && defined (SKIP_PROLOGUE)
+#error "Non multi-arch definition of SKIP_PROLOGUE"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (SKIP_PROLOGUE)
 #define SKIP_PROLOGUE(ip) (gdbarch_skip_prologue (current_gdbarch, ip))
@@ -974,6 +1664,9 @@ extern void set_gdbarch_skip_prologue (struct gdbarch *gdbarch, gdbarch_skip_pro
 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 > GDB_MULTI_ARCH_PARTIAL) && defined (PROLOGUE_FRAMELESS_P)
+#error "Non multi-arch definition of PROLOGUE_FRAMELESS_P"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (PROLOGUE_FRAMELESS_P)
 #define PROLOGUE_FRAMELESS_P(ip) (gdbarch_prologue_frameless_p (current_gdbarch, ip))
@@ -983,6 +1676,9 @@ extern void set_gdbarch_prologue_frameless_p (struct gdbarch *gdbarch, gdbarch_p
 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 > GDB_MULTI_ARCH_PARTIAL) && defined (INNER_THAN)
+#error "Non multi-arch definition of INNER_THAN"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (INNER_THAN)
 #define INNER_THAN(lhs, rhs) (gdbarch_inner_than (current_gdbarch, lhs, rhs))
@@ -994,9 +1690,12 @@ extern void set_gdbarch_inner_than (struct gdbarch *gdbarch, gdbarch_inner_than_
 #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);
+typedef const unsigned char * (gdbarch_breakpoint_from_pc_ftype) (CORE_ADDR *pcptr, int *lenptr);
+extern const 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 > GDB_MULTI_ARCH_PARTIAL) && defined (BREAKPOINT_FROM_PC)
+#error "Non multi-arch definition of BREAKPOINT_FROM_PC"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (BREAKPOINT_FROM_PC)
 #define BREAKPOINT_FROM_PC(pcptr, lenptr) (gdbarch_breakpoint_from_pc (current_gdbarch, pcptr, lenptr))
@@ -1011,6 +1710,9 @@ extern void set_gdbarch_breakpoint_from_pc (struct gdbarch *gdbarch, gdbarch_bre
 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 > GDB_MULTI_ARCH_PARTIAL) && defined (MEMORY_INSERT_BREAKPOINT)
+#error "Non multi-arch definition of MEMORY_INSERT_BREAKPOINT"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (MEMORY_INSERT_BREAKPOINT)
 #define MEMORY_INSERT_BREAKPOINT(addr, contents_cache) (gdbarch_memory_insert_breakpoint (current_gdbarch, addr, contents_cache))
@@ -1025,6 +1727,9 @@ extern void set_gdbarch_memory_insert_breakpoint (struct gdbarch *gdbarch, gdbar
 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 > GDB_MULTI_ARCH_PARTIAL) && defined (MEMORY_REMOVE_BREAKPOINT)
+#error "Non multi-arch definition of MEMORY_REMOVE_BREAKPOINT"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (MEMORY_REMOVE_BREAKPOINT)
 #define MEMORY_REMOVE_BREAKPOINT(addr, contents_cache) (gdbarch_memory_remove_breakpoint (current_gdbarch, addr, contents_cache))
@@ -1033,14 +1738,37 @@ extern void set_gdbarch_memory_remove_breakpoint (struct gdbarch *gdbarch, gdbar
 
 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 > GDB_MULTI_ARCH_PARTIAL) && defined (DECR_PC_AFTER_BREAK)
+#error "Non multi-arch definition of DECR_PC_AFTER_BREAK"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (DECR_PC_AFTER_BREAK)
 #define DECR_PC_AFTER_BREAK (gdbarch_decr_pc_after_break (current_gdbarch))
 #endif
 #endif
 
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (PREPARE_TO_PROCEED)
+#define PREPARE_TO_PROCEED(select_it) (default_prepare_to_proceed (select_it))
+#endif
+
+typedef int (gdbarch_prepare_to_proceed_ftype) (int select_it);
+extern int gdbarch_prepare_to_proceed (struct gdbarch *gdbarch, int select_it);
+extern void set_gdbarch_prepare_to_proceed (struct gdbarch *gdbarch, gdbarch_prepare_to_proceed_ftype *prepare_to_proceed);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (PREPARE_TO_PROCEED)
+#error "Non multi-arch definition of PREPARE_TO_PROCEED"
+#endif
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (PREPARE_TO_PROCEED)
+#define PREPARE_TO_PROCEED(select_it) (gdbarch_prepare_to_proceed (current_gdbarch, select_it))
+#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 > GDB_MULTI_ARCH_PARTIAL) && defined (FUNCTION_START_OFFSET)
+#error "Non multi-arch definition of FUNCTION_START_OFFSET"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (FUNCTION_START_OFFSET)
 #define FUNCTION_START_OFFSET (gdbarch_function_start_offset (current_gdbarch))
@@ -1055,6 +1783,9 @@ extern void set_gdbarch_function_start_offset (struct gdbarch *gdbarch, CORE_ADD
 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 > GDB_MULTI_ARCH_PARTIAL) && defined (REMOTE_TRANSLATE_XFER_ADDRESS)
+#error "Non multi-arch definition of REMOTE_TRANSLATE_XFER_ADDRESS"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !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))
@@ -1063,6 +1794,9 @@ extern void set_gdbarch_remote_translate_xfer_address (struct gdbarch *gdbarch,
 
 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 > GDB_MULTI_ARCH_PARTIAL) && defined (FRAME_ARGS_SKIP)
+#error "Non multi-arch definition of FRAME_ARGS_SKIP"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (FRAME_ARGS_SKIP)
 #define FRAME_ARGS_SKIP (gdbarch_frame_args_skip (current_gdbarch))
@@ -1077,6 +1811,9 @@ extern void set_gdbarch_frame_args_skip (struct gdbarch *gdbarch, CORE_ADDR fram
 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 > GDB_MULTI_ARCH_PARTIAL) && defined (FRAMELESS_FUNCTION_INVOCATION)
+#error "Non multi-arch definition of FRAMELESS_FUNCTION_INVOCATION"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (FRAMELESS_FUNCTION_INVOCATION)
 #define FRAMELESS_FUNCTION_INVOCATION(fi) (gdbarch_frameless_function_invocation (current_gdbarch, fi))
@@ -1086,15 +1823,34 @@ extern void set_gdbarch_frameless_function_invocation (struct gdbarch *gdbarch,
 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 > GDB_MULTI_ARCH_PARTIAL) && defined (FRAME_CHAIN)
+#error "Non multi-arch definition of FRAME_CHAIN"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (FRAME_CHAIN)
 #define FRAME_CHAIN(frame) (gdbarch_frame_chain (current_gdbarch, frame))
 #endif
 #endif
 
+/* Define a default FRAME_CHAIN_VALID, in the form that is suitable for
+   most targets.  If FRAME_CHAIN_VALID returns zero it means that the
+   given frame is the outermost one and has no caller.
+  
+   XXXX - both default and alternate frame_chain_valid functions are
+   deprecated.  New code should use dummy frames and one of the generic
+   functions. */
+
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (FRAME_CHAIN_VALID)
+#define FRAME_CHAIN_VALID(chain, thisframe) (func_frame_chain_valid (chain, thisframe))
+#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 > GDB_MULTI_ARCH_PARTIAL) && defined (FRAME_CHAIN_VALID)
+#error "Non multi-arch definition of FRAME_CHAIN_VALID"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (FRAME_CHAIN_VALID)
 #define FRAME_CHAIN_VALID(chain, thisframe) (gdbarch_frame_chain_valid (current_gdbarch, chain, thisframe))
@@ -1104,6 +1860,9 @@ extern void set_gdbarch_frame_chain_valid (struct gdbarch *gdbarch, gdbarch_fram
 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 > GDB_MULTI_ARCH_PARTIAL) && defined (FRAME_SAVED_PC)
+#error "Non multi-arch definition of FRAME_SAVED_PC"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (FRAME_SAVED_PC)
 #define FRAME_SAVED_PC(fi) (gdbarch_frame_saved_pc (current_gdbarch, fi))
@@ -1113,6 +1872,9 @@ extern void set_gdbarch_frame_saved_pc (struct gdbarch *gdbarch, gdbarch_frame_s
 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 > GDB_MULTI_ARCH_PARTIAL) && defined (FRAME_ARGS_ADDRESS)
+#error "Non multi-arch definition of FRAME_ARGS_ADDRESS"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (FRAME_ARGS_ADDRESS)
 #define FRAME_ARGS_ADDRESS(fi) (gdbarch_frame_args_address (current_gdbarch, fi))
@@ -1122,6 +1884,9 @@ extern void set_gdbarch_frame_args_address (struct gdbarch *gdbarch, gdbarch_fra
 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 > GDB_MULTI_ARCH_PARTIAL) && defined (FRAME_LOCALS_ADDRESS)
+#error "Non multi-arch definition of FRAME_LOCALS_ADDRESS"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (FRAME_LOCALS_ADDRESS)
 #define FRAME_LOCALS_ADDRESS(fi) (gdbarch_frame_locals_address (current_gdbarch, fi))
@@ -1131,6 +1896,9 @@ extern void set_gdbarch_frame_locals_address (struct gdbarch *gdbarch, gdbarch_f
 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 > GDB_MULTI_ARCH_PARTIAL) && defined (SAVED_PC_AFTER_CALL)
+#error "Non multi-arch definition of SAVED_PC_AFTER_CALL"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (SAVED_PC_AFTER_CALL)
 #define SAVED_PC_AFTER_CALL(frame) (gdbarch_saved_pc_after_call (current_gdbarch, frame))
@@ -1140,6 +1908,9 @@ extern void set_gdbarch_saved_pc_after_call (struct gdbarch *gdbarch, gdbarch_sa
 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 > GDB_MULTI_ARCH_PARTIAL) && defined (FRAME_NUM_ARGS)
+#error "Non multi-arch definition of FRAME_NUM_ARGS"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (FRAME_NUM_ARGS)
 #define FRAME_NUM_ARGS(frame) (gdbarch_frame_num_args (current_gdbarch, frame))
@@ -1148,8 +1919,10 @@ extern void set_gdbarch_frame_num_args (struct gdbarch *gdbarch, gdbarch_frame_n
 
 #if defined (STACK_ALIGN)
 /* Legacy for systems yet to multi-arch STACK_ALIGN */
+#if !defined (STACK_ALIGN_P)
 #define STACK_ALIGN_P() (1)
 #endif
+#endif
 
 /* Default predicate for non- multi-arch targets. */
 #if (!GDB_MULTI_ARCH) && !defined (STACK_ALIGN_P)
@@ -1157,18 +1930,24 @@ extern void set_gdbarch_frame_num_args (struct gdbarch *gdbarch, gdbarch_frame_n
 #endif
 
 extern int gdbarch_stack_align_p (struct gdbarch *gdbarch);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (STACK_ALIGN_P)
+#error "Non multi-arch definition of STACK_ALIGN"
+#endif
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !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) && !defined (STACK_ALIGN)
-#define STACK_ALIGN(sp) (internal_error ("STACK_ALIGN"), 0)
+#define STACK_ALIGN(sp) (internal_error (__FILE__, __LINE__, "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 > GDB_MULTI_ARCH_PARTIAL) && defined (STACK_ALIGN)
+#error "Non multi-arch definition of STACK_ALIGN"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (STACK_ALIGN)
 #define STACK_ALIGN(sp) (gdbarch_stack_align (current_gdbarch, sp))
@@ -1182,6 +1961,9 @@ extern void set_gdbarch_stack_align (struct gdbarch *gdbarch, gdbarch_stack_alig
 
 extern int gdbarch_extra_stack_alignment_needed (struct gdbarch *gdbarch);
 extern void set_gdbarch_extra_stack_alignment_needed (struct gdbarch *gdbarch, int extra_stack_alignment_needed);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (EXTRA_STACK_ALIGNMENT_NEEDED)
+#error "Non multi-arch definition of EXTRA_STACK_ALIGNMENT_NEEDED"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (EXTRA_STACK_ALIGNMENT_NEEDED)
 #define EXTRA_STACK_ALIGNMENT_NEEDED (gdbarch_extra_stack_alignment_needed (current_gdbarch))
@@ -1190,8 +1972,10 @@ extern void set_gdbarch_extra_stack_alignment_needed (struct gdbarch *gdbarch, i
 
 #if defined (REG_STRUCT_HAS_ADDR)
 /* Legacy for systems yet to multi-arch REG_STRUCT_HAS_ADDR */
+#if !defined (REG_STRUCT_HAS_ADDR_P)
 #define REG_STRUCT_HAS_ADDR_P() (1)
 #endif
+#endif
 
 /* Default predicate for non- multi-arch targets. */
 #if (!GDB_MULTI_ARCH) && !defined (REG_STRUCT_HAS_ADDR_P)
@@ -1199,18 +1983,24 @@ extern void set_gdbarch_extra_stack_alignment_needed (struct gdbarch *gdbarch, i
 #endif
 
 extern int gdbarch_reg_struct_has_addr_p (struct gdbarch *gdbarch);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (REG_STRUCT_HAS_ADDR_P)
+#error "Non multi-arch definition of REG_STRUCT_HAS_ADDR"
+#endif
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !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) && !defined (REG_STRUCT_HAS_ADDR)
-#define REG_STRUCT_HAS_ADDR(gcc_p, type) (internal_error ("REG_STRUCT_HAS_ADDR"), 0)
+#define REG_STRUCT_HAS_ADDR(gcc_p, type) (internal_error (__FILE__, __LINE__, "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 > GDB_MULTI_ARCH_PARTIAL) && defined (REG_STRUCT_HAS_ADDR)
+#error "Non multi-arch definition of REG_STRUCT_HAS_ADDR"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (REG_STRUCT_HAS_ADDR)
 #define REG_STRUCT_HAS_ADDR(gcc_p, type) (gdbarch_reg_struct_has_addr (current_gdbarch, gcc_p, type))
@@ -1219,8 +2009,10 @@ extern void set_gdbarch_reg_struct_has_addr (struct gdbarch *gdbarch, gdbarch_re
 
 #if defined (SAVE_DUMMY_FRAME_TOS)
 /* Legacy for systems yet to multi-arch SAVE_DUMMY_FRAME_TOS */
+#if !defined (SAVE_DUMMY_FRAME_TOS_P)
 #define SAVE_DUMMY_FRAME_TOS_P() (1)
 #endif
+#endif
 
 /* Default predicate for non- multi-arch targets. */
 #if (!GDB_MULTI_ARCH) && !defined (SAVE_DUMMY_FRAME_TOS_P)
@@ -1228,24 +2020,41 @@ extern void set_gdbarch_reg_struct_has_addr (struct gdbarch *gdbarch, gdbarch_re
 #endif
 
 extern int gdbarch_save_dummy_frame_tos_p (struct gdbarch *gdbarch);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (SAVE_DUMMY_FRAME_TOS_P)
+#error "Non multi-arch definition of SAVE_DUMMY_FRAME_TOS"
+#endif
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !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) && !defined (SAVE_DUMMY_FRAME_TOS)
-#define SAVE_DUMMY_FRAME_TOS(sp) (internal_error ("SAVE_DUMMY_FRAME_TOS"), 0)
+#define SAVE_DUMMY_FRAME_TOS(sp) (internal_error (__FILE__, __LINE__, "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 > GDB_MULTI_ARCH_PARTIAL) && defined (SAVE_DUMMY_FRAME_TOS)
+#error "Non multi-arch definition of SAVE_DUMMY_FRAME_TOS"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (SAVE_DUMMY_FRAME_TOS)
 #define SAVE_DUMMY_FRAME_TOS(sp) (gdbarch_save_dummy_frame_tos (current_gdbarch, sp))
 #endif
 #endif
 
+extern int gdbarch_parm_boundary (struct gdbarch *gdbarch);
+extern void set_gdbarch_parm_boundary (struct gdbarch *gdbarch, int parm_boundary);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (PARM_BOUNDARY)
+#error "Non multi-arch definition of PARM_BOUNDARY"
+#endif
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (PARM_BOUNDARY)
+#define PARM_BOUNDARY (gdbarch_parm_boundary (current_gdbarch))
+#endif
+#endif
+
 /* Default (value) for non- multi-arch platforms. */
 #if (!GDB_MULTI_ARCH) && !defined (TARGET_FLOAT_FORMAT)
 #define TARGET_FLOAT_FORMAT (default_float_format (current_gdbarch))
@@ -1253,6 +2062,9 @@ extern void set_gdbarch_save_dummy_frame_tos (struct gdbarch *gdbarch, gdbarch_s
 
 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 > GDB_MULTI_ARCH_PARTIAL) && defined (TARGET_FLOAT_FORMAT)
+#error "Non multi-arch definition of TARGET_FLOAT_FORMAT"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (TARGET_FLOAT_FORMAT)
 #define TARGET_FLOAT_FORMAT (gdbarch_float_format (current_gdbarch))
@@ -1266,6 +2078,9 @@ extern void set_gdbarch_float_format (struct gdbarch *gdbarch, const struct floa
 
 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 > GDB_MULTI_ARCH_PARTIAL) && defined (TARGET_DOUBLE_FORMAT)
+#error "Non multi-arch definition of TARGET_DOUBLE_FORMAT"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (TARGET_DOUBLE_FORMAT)
 #define TARGET_DOUBLE_FORMAT (gdbarch_double_format (current_gdbarch))
@@ -1274,17 +2089,283 @@ extern void set_gdbarch_double_format (struct gdbarch *gdbarch, const struct flo
 
 /* Default (value) for non- multi-arch platforms. */
 #if (!GDB_MULTI_ARCH) && !defined (TARGET_LONG_DOUBLE_FORMAT)
-#define TARGET_LONG_DOUBLE_FORMAT (&floatformat_unknown)
+#define TARGET_LONG_DOUBLE_FORMAT (default_double_format (current_gdbarch))
 #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 > GDB_MULTI_ARCH_PARTIAL) && defined (TARGET_LONG_DOUBLE_FORMAT)
+#error "Non multi-arch definition of TARGET_LONG_DOUBLE_FORMAT"
+#endif
 #if GDB_MULTI_ARCH
 #if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (TARGET_LONG_DOUBLE_FORMAT)
 #define TARGET_LONG_DOUBLE_FORMAT (gdbarch_long_double_format (current_gdbarch))
 #endif
 #endif
 
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (CONVERT_FROM_FUNC_PTR_ADDR)
+#define CONVERT_FROM_FUNC_PTR_ADDR(addr) (core_addr_identity (addr))
+#endif
+
+typedef CORE_ADDR (gdbarch_convert_from_func_ptr_addr_ftype) (CORE_ADDR addr);
+extern CORE_ADDR gdbarch_convert_from_func_ptr_addr (struct gdbarch *gdbarch, CORE_ADDR addr);
+extern void set_gdbarch_convert_from_func_ptr_addr (struct gdbarch *gdbarch, gdbarch_convert_from_func_ptr_addr_ftype *convert_from_func_ptr_addr);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (CONVERT_FROM_FUNC_PTR_ADDR)
+#error "Non multi-arch definition of CONVERT_FROM_FUNC_PTR_ADDR"
+#endif
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (CONVERT_FROM_FUNC_PTR_ADDR)
+#define CONVERT_FROM_FUNC_PTR_ADDR(addr) (gdbarch_convert_from_func_ptr_addr (current_gdbarch, addr))
+#endif
+#endif
+
+/* On some machines there are bits in addresses which are not really
+   part of the address, but are used by the kernel, the hardware, etc.
+   for special purposes.  ADDR_BITS_REMOVE takes out any such bits so
+   we get a "real" address such as one would find in a symbol table.
+   This is used only for addresses of instructions, and even then I'm
+   not sure it's used in all contexts.  It exists to deal with there
+   being a few stray bits in the PC which would mislead us, not as some
+   sort of generic thing to handle alignment or segmentation (it's
+   possible it should be in TARGET_READ_PC instead). */
+
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (ADDR_BITS_REMOVE)
+#define ADDR_BITS_REMOVE(addr) (core_addr_identity (addr))
+#endif
+
+typedef CORE_ADDR (gdbarch_addr_bits_remove_ftype) (CORE_ADDR addr);
+extern CORE_ADDR gdbarch_addr_bits_remove (struct gdbarch *gdbarch, CORE_ADDR addr);
+extern void set_gdbarch_addr_bits_remove (struct gdbarch *gdbarch, gdbarch_addr_bits_remove_ftype *addr_bits_remove);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (ADDR_BITS_REMOVE)
+#error "Non multi-arch definition of ADDR_BITS_REMOVE"
+#endif
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (ADDR_BITS_REMOVE)
+#define ADDR_BITS_REMOVE(addr) (gdbarch_addr_bits_remove (current_gdbarch, addr))
+#endif
+#endif
+
+/* It is not at all clear why SMASH_TEXT_ADDRESS is not folded into
+   ADDR_BITS_REMOVE. */
+
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (SMASH_TEXT_ADDRESS)
+#define SMASH_TEXT_ADDRESS(addr) (core_addr_identity (addr))
+#endif
+
+typedef CORE_ADDR (gdbarch_smash_text_address_ftype) (CORE_ADDR addr);
+extern CORE_ADDR gdbarch_smash_text_address (struct gdbarch *gdbarch, CORE_ADDR addr);
+extern void set_gdbarch_smash_text_address (struct gdbarch *gdbarch, gdbarch_smash_text_address_ftype *smash_text_address);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (SMASH_TEXT_ADDRESS)
+#error "Non multi-arch definition of SMASH_TEXT_ADDRESS"
+#endif
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (SMASH_TEXT_ADDRESS)
+#define SMASH_TEXT_ADDRESS(addr) (gdbarch_smash_text_address (current_gdbarch, addr))
+#endif
+#endif
+
+/* FIXME/cagney/2001-01-18: This should be split in two.  A target method that indicates if
+   the target needs software single step.  An ISA method to implement it.
+  
+   FIXME/cagney/2001-01-18: This should be replaced with something that inserts breakpoints
+   using the breakpoint system instead of blatting memory directly (as with rs6000).
+  
+   FIXME/cagney/2001-01-18: The logic is backwards.  It should be asking if the target can
+   single step.  If not, then implement single step using breakpoints. */
+
+#if defined (SOFTWARE_SINGLE_STEP)
+/* Legacy for systems yet to multi-arch SOFTWARE_SINGLE_STEP */
+#if !defined (SOFTWARE_SINGLE_STEP_P)
+#define SOFTWARE_SINGLE_STEP_P() (1)
+#endif
+#endif
+
+/* Default predicate for non- multi-arch targets. */
+#if (!GDB_MULTI_ARCH) && !defined (SOFTWARE_SINGLE_STEP_P)
+#define SOFTWARE_SINGLE_STEP_P() (0)
+#endif
+
+extern int gdbarch_software_single_step_p (struct gdbarch *gdbarch);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (SOFTWARE_SINGLE_STEP_P)
+#error "Non multi-arch definition of SOFTWARE_SINGLE_STEP"
+#endif
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (SOFTWARE_SINGLE_STEP_P)
+#define SOFTWARE_SINGLE_STEP_P() (gdbarch_software_single_step_p (current_gdbarch))
+#endif
+
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (SOFTWARE_SINGLE_STEP)
+#define SOFTWARE_SINGLE_STEP(sig, insert_breakpoints_p) (internal_error (__FILE__, __LINE__, "SOFTWARE_SINGLE_STEP"), 0)
+#endif
+
+typedef void (gdbarch_software_single_step_ftype) (enum target_signal sig, int insert_breakpoints_p);
+extern void gdbarch_software_single_step (struct gdbarch *gdbarch, enum target_signal sig, int insert_breakpoints_p);
+extern void set_gdbarch_software_single_step (struct gdbarch *gdbarch, gdbarch_software_single_step_ftype *software_single_step);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (SOFTWARE_SINGLE_STEP)
+#error "Non multi-arch definition of SOFTWARE_SINGLE_STEP"
+#endif
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (SOFTWARE_SINGLE_STEP)
+#define SOFTWARE_SINGLE_STEP(sig, insert_breakpoints_p) (gdbarch_software_single_step (current_gdbarch, sig, insert_breakpoints_p))
+#endif
+#endif
+
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (TARGET_PRINT_INSN)
+#define TARGET_PRINT_INSN(vma, info) (legacy_print_insn (vma, info))
+#endif
+
+typedef int (gdbarch_print_insn_ftype) (bfd_vma vma, disassemble_info *info);
+extern int gdbarch_print_insn (struct gdbarch *gdbarch, bfd_vma vma, disassemble_info *info);
+extern void set_gdbarch_print_insn (struct gdbarch *gdbarch, gdbarch_print_insn_ftype *print_insn);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (TARGET_PRINT_INSN)
+#error "Non multi-arch definition of TARGET_PRINT_INSN"
+#endif
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (TARGET_PRINT_INSN)
+#define TARGET_PRINT_INSN(vma, info) (gdbarch_print_insn (current_gdbarch, vma, info))
+#endif
+#endif
+
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (SKIP_TRAMPOLINE_CODE)
+#define SKIP_TRAMPOLINE_CODE(pc) (generic_skip_trampoline_code (pc))
+#endif
+
+typedef CORE_ADDR (gdbarch_skip_trampoline_code_ftype) (CORE_ADDR pc);
+extern CORE_ADDR gdbarch_skip_trampoline_code (struct gdbarch *gdbarch, CORE_ADDR pc);
+extern void set_gdbarch_skip_trampoline_code (struct gdbarch *gdbarch, gdbarch_skip_trampoline_code_ftype *skip_trampoline_code);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (SKIP_TRAMPOLINE_CODE)
+#error "Non multi-arch definition of SKIP_TRAMPOLINE_CODE"
+#endif
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (SKIP_TRAMPOLINE_CODE)
+#define SKIP_TRAMPOLINE_CODE(pc) (gdbarch_skip_trampoline_code (current_gdbarch, pc))
+#endif
+#endif
+
+/* For SVR4 shared libraries, each call goes through a small piece of
+   trampoline code in the ".plt" section.  IN_SOLIB_CALL_TRAMPOLINE evaluates
+   to nonzero if we are current stopped in one of these. */
+
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (IN_SOLIB_CALL_TRAMPOLINE)
+#define IN_SOLIB_CALL_TRAMPOLINE(pc, name) (generic_in_solib_call_trampoline (pc, name))
+#endif
+
+typedef int (gdbarch_in_solib_call_trampoline_ftype) (CORE_ADDR pc, char *name);
+extern int gdbarch_in_solib_call_trampoline (struct gdbarch *gdbarch, CORE_ADDR pc, char *name);
+extern void set_gdbarch_in_solib_call_trampoline (struct gdbarch *gdbarch, gdbarch_in_solib_call_trampoline_ftype *in_solib_call_trampoline);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (IN_SOLIB_CALL_TRAMPOLINE)
+#error "Non multi-arch definition of IN_SOLIB_CALL_TRAMPOLINE"
+#endif
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (IN_SOLIB_CALL_TRAMPOLINE)
+#define IN_SOLIB_CALL_TRAMPOLINE(pc, name) (gdbarch_in_solib_call_trampoline (current_gdbarch, pc, name))
+#endif
+#endif
+
+/* A target might have problems with watchpoints as soon as the stack
+   frame of the current function has been destroyed.  This mostly happens
+   as the first action in a funtion's epilogue.  in_function_epilogue_p()
+   is defined to return a non-zero value if either the given addr is one
+   instruction after the stack destroying instruction up to the trailing
+   return instruction or if we can figure out that the stack frame has
+   already been invalidated regardless of the value of addr.  Targets
+   which don't suffer from that problem could just let this functionality
+   untouched. */
+
+typedef int (gdbarch_in_function_epilogue_p_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr);
+extern int gdbarch_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR addr);
+extern void set_gdbarch_in_function_epilogue_p (struct gdbarch *gdbarch, gdbarch_in_function_epilogue_p_ftype *in_function_epilogue_p);
+
+/* Given a vector of command-line arguments, return a newly allocated
+   string which, when passed to the create_inferior function, will be
+   parsed (on Unix systems, by the shell) to yield the same vector.
+   This function should call error() if the argument vector is not
+   representable for this target or if this target does not support
+   command-line arguments.
+   ARGC is the number of elements in the vector.
+   ARGV is an array of strings, one per argument. */
+
+typedef char * (gdbarch_construct_inferior_arguments_ftype) (struct gdbarch *gdbarch, int argc, char **argv);
+extern char * gdbarch_construct_inferior_arguments (struct gdbarch *gdbarch, int argc, char **argv);
+extern void set_gdbarch_construct_inferior_arguments (struct gdbarch *gdbarch, gdbarch_construct_inferior_arguments_ftype *construct_inferior_arguments);
+
+#if defined (DWARF2_BUILD_FRAME_INFO)
+/* Legacy for systems yet to multi-arch DWARF2_BUILD_FRAME_INFO */
+#if !defined (DWARF2_BUILD_FRAME_INFO_P)
+#define DWARF2_BUILD_FRAME_INFO_P() (1)
+#endif
+#endif
+
+/* Default predicate for non- multi-arch targets. */
+#if (!GDB_MULTI_ARCH) && !defined (DWARF2_BUILD_FRAME_INFO_P)
+#define DWARF2_BUILD_FRAME_INFO_P() (0)
+#endif
+
+extern int gdbarch_dwarf2_build_frame_info_p (struct gdbarch *gdbarch);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (DWARF2_BUILD_FRAME_INFO_P)
+#error "Non multi-arch definition of DWARF2_BUILD_FRAME_INFO"
+#endif
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (DWARF2_BUILD_FRAME_INFO_P)
+#define DWARF2_BUILD_FRAME_INFO_P() (gdbarch_dwarf2_build_frame_info_p (current_gdbarch))
+#endif
+
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (DWARF2_BUILD_FRAME_INFO)
+#define DWARF2_BUILD_FRAME_INFO(objfile) (internal_error (__FILE__, __LINE__, "DWARF2_BUILD_FRAME_INFO"), 0)
+#endif
+
+typedef void (gdbarch_dwarf2_build_frame_info_ftype) (struct objfile *objfile);
+extern void gdbarch_dwarf2_build_frame_info (struct gdbarch *gdbarch, struct objfile *objfile);
+extern void set_gdbarch_dwarf2_build_frame_info (struct gdbarch *gdbarch, gdbarch_dwarf2_build_frame_info_ftype *dwarf2_build_frame_info);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (DWARF2_BUILD_FRAME_INFO)
+#error "Non multi-arch definition of DWARF2_BUILD_FRAME_INFO"
+#endif
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (DWARF2_BUILD_FRAME_INFO)
+#define DWARF2_BUILD_FRAME_INFO(objfile) (gdbarch_dwarf2_build_frame_info (current_gdbarch, objfile))
+#endif
+#endif
+
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (ELF_MAKE_MSYMBOL_SPECIAL)
+#define ELF_MAKE_MSYMBOL_SPECIAL(sym, msym) (default_elf_make_msymbol_special (sym, msym))
+#endif
+
+typedef void (gdbarch_elf_make_msymbol_special_ftype) (asymbol *sym, struct minimal_symbol *msym);
+extern void gdbarch_elf_make_msymbol_special (struct gdbarch *gdbarch, asymbol *sym, struct minimal_symbol *msym);
+extern void set_gdbarch_elf_make_msymbol_special (struct gdbarch *gdbarch, gdbarch_elf_make_msymbol_special_ftype *elf_make_msymbol_special);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (ELF_MAKE_MSYMBOL_SPECIAL)
+#error "Non multi-arch definition of ELF_MAKE_MSYMBOL_SPECIAL"
+#endif
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (ELF_MAKE_MSYMBOL_SPECIAL)
+#define ELF_MAKE_MSYMBOL_SPECIAL(sym, msym) (gdbarch_elf_make_msymbol_special (current_gdbarch, sym, msym))
+#endif
+#endif
+
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (COFF_MAKE_MSYMBOL_SPECIAL)
+#define COFF_MAKE_MSYMBOL_SPECIAL(val, msym) (default_coff_make_msymbol_special (val, msym))
+#endif
+
+typedef void (gdbarch_coff_make_msymbol_special_ftype) (int val, struct minimal_symbol *msym);
+extern void gdbarch_coff_make_msymbol_special (struct gdbarch *gdbarch, int val, struct minimal_symbol *msym);
+extern void set_gdbarch_coff_make_msymbol_special (struct gdbarch *gdbarch, gdbarch_coff_make_msymbol_special_ftype *coff_make_msymbol_special);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (COFF_MAKE_MSYMBOL_SPECIAL)
+#error "Non multi-arch definition of COFF_MAKE_MSYMBOL_SPECIAL"
+#endif
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (COFF_MAKE_MSYMBOL_SPECIAL)
+#define COFF_MAKE_MSYMBOL_SPECIAL(val, msym) (gdbarch_coff_make_msymbol_special (current_gdbarch, val, msym))
+#endif
+#endif
+
 extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch);
 
 
@@ -1297,7 +2378,7 @@ extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch);
 
    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
+   components.  Each component can independently register their need
    to maintain architecture specific data with gdbarch.
 
    Pragmatics:
@@ -1307,7 +2388,7 @@ extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch);
 
    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)
+   GDB is built from a variable number of (fairly independent)
    components it was determined that the global aproach was not
    applicable. */
 
@@ -1327,11 +2408,10 @@ extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch);
 
    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.
+   previously selected architecture (if similar).
 
    The INIT function shall return any of: NULL - indicating that it
-   doesn't reconize the selected architecture; an existing ``struct
+   doesn't recognize 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''
@@ -1349,13 +2429,10 @@ struct gdbarch_list
 
 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). */
+  /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO).  */
   int byte_order;
 
   /* Use default: NULL (ZERO). */
@@ -1405,16 +2482,12 @@ extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gd
 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.
+/* Helper function. Force an update of the current architecture.
 
-   The INFO parameter shall be fully initialized (``memset (&INFO,
-   sizeof (info), 0)'' set relevant fields) before gdbarch_update_p()
-   is called.  gdbarch_update_p() shall initialize any ``default''
-   fields using information obtained from the previous architecture or
-   INFO.ABFD (if specified) before calling the corresponding
-   architectures INIT function.
+   The actual architecture selected is determined by INFO, ``(gdb) set
+   architecture'' et.al., the existing architecture and BFD's default
+   architecture.  INFO should be initialized to zero and then selected
+   fields should be updated.
 
    Returns non-zero if the update succeeds */
 
@@ -1426,29 +2499,40 @@ extern int gdbarch_update_p (struct gdbarch_info info);
 
    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.
+   be saved in a local static variable.
+
+   The per-architecture data-pointer can be initialized in one of two
+   ways: The value can be set explicitly using a call to
+   set_gdbarch_data(); the value can be set implicitly using the value
+   returned by a non-NULL INIT() callback.  INIT(), when non-NULL is
+   called after the basic architecture vector has been created.
 
-   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).
+   When a previously created 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.
+   During initialization, multiple assignments of the data-pointer are
+   allowed, non-NULL values are deleted by calling FREE().  If the
+   architecture is deleted using gdbarch_free() all non-NULL data
+   pointers are also deleted using FREE().
 
    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);
+struct gdbarch_data;
 
-/* Return the value of the per-architecture data-pointer for the
-   current architecture. */
+typedef void *(gdbarch_data_init_ftype) (struct gdbarch *gdbarch);
+typedef void (gdbarch_data_free_ftype) (struct gdbarch *gdbarch,
+					void *pointer);
+extern struct gdbarch_data *register_gdbarch_data (gdbarch_data_init_ftype *init,
+						   gdbarch_data_free_ftype *free);
+extern void set_gdbarch_data (struct gdbarch *gdbarch,
+			      struct gdbarch_data *data,
+			      void *pointer);
 
 extern void *gdbarch_data (struct gdbarch_data*);
 
 
-
 /* Register per-architecture memory region.
 
    Provide a memory-region swap mechanism.  Per-architecture memory
@@ -1467,35 +2551,9 @@ extern void register_gdbarch_swap (void *data, unsigned long size, gdbarch_swap_
 
 
 
-/* The target-system-dependant byte order is dynamic */
-
-/* TARGET_BYTE_ORDER_SELECTABLE_P determines if the target endianness
-   is selectable at runtime.  The user can use the ``set endian''
-   command to change it.  TARGET_BYTE_ORDER_AUTO is nonzero when
-   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 */
-#ifdef TARGET_BYTE_ORDER_SELECTABLE
-#define TARGET_BYTE_ORDER_SELECTABLE_P 1
-#else
-#define TARGET_BYTE_ORDER_SELECTABLE_P 0
-#endif
-#endif
+/* The target-system-dependent byte order is dynamic */
 
 extern int target_byte_order;
-#ifdef TARGET_BYTE_ORDER_SELECTABLE
-/* compat - Catch old targets that define TARGET_BYTE_ORDER_SELECTABLE
-   and expect defs.h to re-define TARGET_BYTE_ORDER. */
-#undef TARGET_BYTE_ORDER
-#endif
 #ifndef TARGET_BYTE_ORDER
 #define TARGET_BYTE_ORDER (target_byte_order + 0)
 #endif
@@ -1507,7 +2565,7 @@ extern int target_byte_order_auto;
 
 
 
-/* The target-system-dependant BFD architecture is dynamic */
+/* The target-system-dependent BFD architecture is dynamic */
 
 extern int target_architecture_auto;
 #ifndef TARGET_ARCHITECTURE_AUTO
@@ -1520,9 +2578,7 @@ extern const struct bfd_arch_info *target_architecture;
 #endif
 
 
-/* The target-system-dependant disassembler is semi-dynamic */
-
-#include "dis-asm.h"		/* Get defs for disassemble_info */
+/* The target-system-dependent disassembler is semi-dynamic */
 
 extern int dis_asm_read_memory (bfd_vma memaddr, bfd_byte *myaddr,
 				unsigned int len, disassemble_info *info);
@@ -1535,33 +2591,13 @@ extern void dis_asm_print_address (bfd_vma addr,
 
 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)
-#endif
 #ifndef TARGET_PRINT_INSN_INFO
 #define TARGET_PRINT_INSN_INFO (&tm_print_insn_info)
 #endif
 
 
 
-/* Explicit test for D10V architecture.
-   USE of these macro's is *STRONGLY* discouraged. */
-
-#define GDB_TARGET_IS_D10V (TARGET_ARCHITECTURE->arch == bfd_arch_d10v)
-
-
-/* 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,
+/* Set the dynamic target-system-dependent parameters (architecture,
    byte-order, ...) using information found in the BFD */
 
 extern void set_gdbarch_from_file (bfd *);
@@ -1572,6 +2608,10 @@ extern void set_gdbarch_from_file (bfd *);
 
 extern void initialize_current_architecture (void);
 
+/* For non-multiarched targets, do any initialization of the default
+   gdbarch object necessary after the _initialize_MODULE functions
+   have run.  */
+extern void initialize_non_multiarch ();
 
 /* gdbarch trace variable */
 extern int gdbarch_debug;