daily update
[deliverable/binutils-gdb.git] / gdb / gdbarch.sh
index d3bd595057c9d11b9814750a60dfb0af8548377a..310d3c4cd7c90a3bcffe91aa1bb9716396cb8165 100755 (executable)
@@ -1,7 +1,7 @@
 #!/bin/sh -u
 
 # Architecture commands for GDB, the GNU debugger.
-# Copyright 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
+# Copyright 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
 #
 # This file is part of GDB.
 #
@@ -25,7 +25,7 @@ compare_new ()
     if test ! -r ${file}
     then
        echo "${file} missing? cp new-${file} ${file}" 1>&2
-    elif diff -c ${file} new-${file}
+    elif diff -u ${file} new-${file}
     then
        echo "${file} unchanged" 1>&2
     else
@@ -76,12 +76,39 @@ EOF
                fi
            done
 
-           test "${staticdefault}" || staticdefault=0
+           case "${level}" in
+               1 ) gt_level=">= GDB_MULTI_ARCH_PARTIAL" ;;
+               2 ) gt_level="> GDB_MULTI_ARCH_PARTIAL" ;;
+               "" ) ;;
+               * ) error "Error: bad level for ${function}" 1>&2 ; kill $$ ; exit 1 ;;
+           esac
+
+           case "${class}" in
+               m ) staticdefault="${predefault}" ;;
+               M ) staticdefault="0" ;;
+               * ) test "${staticdefault}" || staticdefault=0 ;;
+           esac
            # NOT YET: Breaks BELIEVE_PCC_PROMOTION and confuses non-
            # multi-arch defaults.
            # test "${predefault}" || predefault=0
+
+           # come up with a format, use a few guesses for variables
+           case ":${class}:${fmt}:${print}:" in
+               :[vV]::: )
+                   if [ "${returntype}" = int ]
+                   then
+                       fmt="%d"
+                       print="${macro}"
+                   elif [ "${returntype}" = long ]
+                   then
+                       fmt="%ld"
+                       print="${macro}"
+                   fi
+                   ;;
+           esac
            test "${fmt}" || fmt="%ld"
            test "${print}" || print="(long) ${macro}"
+
            case "${invalid_p}" in
                0 ) valid_p=1 ;;
                "" )
@@ -334,7 +361,9 @@ do
 
        # Currently unused.
 
-    *) exit 1;;
+    *)
+       echo "Bad field ${field}"
+       exit 1;;
   esac
 done
 
@@ -345,7 +374,7 @@ function_list ()
   cat <<EOF
 i:2:TARGET_ARCHITECTURE:const struct bfd_arch_info *:bfd_arch_info::::&bfd_default_arch_struct::::%s:TARGET_ARCHITECTURE->printable_name:TARGET_ARCHITECTURE != NULL
 #
-i:2:TARGET_BYTE_ORDER:int:byte_order::::BIG_ENDIAN
+i:2:TARGET_BYTE_ORDER:int:byte_order::::BFD_ENDIAN_BIG
 # 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.
 # v::TARGET_CHAR_BIT:int:char_bit::::8 * sizeof (char):8::0:
@@ -364,7 +393,7 @@ v::TARGET_FLOAT_BIT:int:float_bit::::8 * sizeof (float):4*TARGET_CHAR_BIT::0
 # Number of bits in a double for the target machine.
 v::TARGET_DOUBLE_BIT:int:double_bit::::8 * sizeof (double):8*TARGET_CHAR_BIT::0
 # Number of bits in a long double for the target machine.
-v::TARGET_LONG_DOUBLE_BIT:int:long_double_bit::::8 * sizeof (long double):2*TARGET_DOUBLE_BIT::0
+v::TARGET_LONG_DOUBLE_BIT:int:long_double_bit::::8 * sizeof (long double):8*TARGET_CHAR_BIT::0
 # 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
@@ -380,7 +409,8 @@ v::TARGET_ADDR_BIT:int:addr_bit::::8 * sizeof (void*):0:TARGET_PTR_BIT:
 # Number of bits in a BFD_VMA for the target object file format.
 v::TARGET_BFD_VMA_BIT:int:bfd_vma_bit::::8 * sizeof (void*):TARGET_ARCHITECTURE->bits_per_address::0
 #
-v::IEEE_FLOAT:int:ieee_float::::0:0::0:::
+# One if \`char' acts like \`signed char', zero if \`unsigned char'.
+v::TARGET_CHAR_SIGNED:int:char_signed::::1:-1:1::::
 #
 f::TARGET_READ_PC:CORE_ADDR:read_pc:ptid_t ptid:ptid::0:generic_target_read_pc::0
 f::TARGET_WRITE_PC:void:write_pc:CORE_ADDR val, ptid_t ptid:val, ptid::0:generic_target_write_pc::0
@@ -423,27 +453,37 @@ f:2:REGISTER_NAME:char *:register_name:int regnr:regnr:::legacy_register_name::0
 v:2:REGISTER_SIZE:int:register_size::::0:-1
 v:2:REGISTER_BYTES:int:register_bytes::::0:-1
 f:2:REGISTER_BYTE:int:register_byte:int reg_nr:reg_nr::0:0
-f:2:REGISTER_RAW_SIZE:int:register_raw_size:int reg_nr:reg_nr::0:0
+f:2:REGISTER_RAW_SIZE:int:register_raw_size:int reg_nr:reg_nr::generic_register_raw_size:0
 v:2:MAX_REGISTER_RAW_SIZE:int:max_register_raw_size::::0:-1
-f:2:REGISTER_VIRTUAL_SIZE:int:register_virtual_size:int reg_nr:reg_nr::0:0
+f:2:REGISTER_VIRTUAL_SIZE:int:register_virtual_size:int reg_nr:reg_nr::generic_register_virtual_size:0
 v:2:MAX_REGISTER_VIRTUAL_SIZE:int:max_register_virtual_size::::0:-1
 f:2:REGISTER_VIRTUAL_TYPE:struct type *:register_virtual_type:int reg_nr:reg_nr::0:0
 f:2:DO_REGISTERS_INFO:void:do_registers_info:int reg_nr, int fpregs:reg_nr, fpregs:::do_registers_info::0
+f:2:PRINT_FLOAT_INFO:void:print_float_info:void::::default_print_float_info::0
 # MAP a GDB RAW register number onto a simulator register number.  See
 # also include/...-sim.h.
 f:2:REGISTER_SIM_REGNO:int:register_sim_regno:int reg_nr:reg_nr:::default_register_sim_regno::0
 F:2:REGISTER_BYTES_OK:int:register_bytes_ok:long nr_bytes:nr_bytes::0:0
 f:2:CANNOT_FETCH_REGISTER:int:cannot_fetch_register:int regnum:regnum:::cannot_register_not::0
 f:2:CANNOT_STORE_REGISTER:int:cannot_store_register:int regnum:regnum:::cannot_register_not::0
+# setjmp/longjmp support.
+F:2:GET_LONGJMP_TARGET:int:get_longjmp_target:CORE_ADDR *pc:pc::0:0
 #
+# 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.
 v:1:USE_GENERIC_DUMMY_FRAMES:int:use_generic_dummy_frames::::0:-1
-v:2:CALL_DUMMY_LOCATION:int:call_dummy_location::::0:0
+v:1:CALL_DUMMY_LOCATION:int:call_dummy_location::::0:0
 f:2:CALL_DUMMY_ADDRESS:CORE_ADDR:call_dummy_address:void:::0:0::gdbarch->call_dummy_location == AT_ENTRY_POINT && gdbarch->call_dummy_address == 0
 v:2:CALL_DUMMY_START_OFFSET:CORE_ADDR:call_dummy_start_offset::::0:-1:::0x%08lx
 v:2:CALL_DUMMY_BREAKPOINT_OFFSET:CORE_ADDR:call_dummy_breakpoint_offset::::0:-1::gdbarch->call_dummy_breakpoint_offset_p && gdbarch->call_dummy_breakpoint_offset == -1:0x%08lx::CALL_DUMMY_BREAKPOINT_OFFSET_P
 v:1:CALL_DUMMY_BREAKPOINT_OFFSET_P:int:call_dummy_breakpoint_offset_p::::0:-1
 v:2:CALL_DUMMY_LENGTH:int:call_dummy_length::::0:-1:::::CALL_DUMMY_LOCATION == BEFORE_TEXT_END || CALL_DUMMY_LOCATION == AFTER_TEXT_END
-f:2:PC_IN_CALL_DUMMY:int:pc_in_call_dummy:CORE_ADDR pc, CORE_ADDR sp, CORE_ADDR frame_address:pc, sp, frame_address::0:0
+f:1:PC_IN_CALL_DUMMY:int:pc_in_call_dummy:CORE_ADDR pc, CORE_ADDR sp, CORE_ADDR frame_address:pc, sp, frame_address::0:0
 v:1:CALL_DUMMY_P:int:call_dummy_p::::0:-1
 v:2:CALL_DUMMY_WORDS:LONGEST *:call_dummy_words::::0:legacy_call_dummy_words::0:0x%08lx
 v:2:SIZEOF_CALL_DUMMY_WORDS:int:sizeof_call_dummy_words::::0:legacy_sizeof_call_dummy_words::0:0x%08lx
@@ -456,19 +496,22 @@ f:2:INIT_FRAME_PC:void:init_frame_pc:int fromleaf, struct frame_info *prev:froml
 v:2:BELIEVE_PCC_PROMOTION:int:believe_pcc_promotion:::::::
 v:2:BELIEVE_PCC_PROMOTION_TYPE:int:believe_pcc_promotion_type:::::::
 f:2:COERCE_FLOAT_TO_DOUBLE:int:coerce_float_to_double:struct type *formal, struct type *actual:formal, actual:::default_coerce_float_to_double::0
+# 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.
 f:1:GET_SAVED_REGISTER:void:get_saved_register:char *raw_buffer, int *optimized, CORE_ADDR *addrp, struct frame_info *frame, int regnum, enum lval_type *lval:raw_buffer, optimized, addrp, frame, regnum, lval::generic_get_saved_register:0
 #
-f:1:REGISTER_CONVERTIBLE:int:register_convertible:int nr:nr:::generic_register_convertible_not::0
+f:2:REGISTER_CONVERTIBLE:int:register_convertible:int nr:nr:::generic_register_convertible_not::0
 f:2:REGISTER_CONVERT_TO_VIRTUAL:void:register_convert_to_virtual:int regnum, struct type *type, char *from, char *to:regnum, type, from, to:::0::0
 f:2:REGISTER_CONVERT_TO_RAW:void:register_convert_to_raw:struct type *type, int regnum, char *from, char *to:type, regnum, from, to:::0::0
 # This function is called when the value of a pseudo-register needs to
 # be updated.  Typically it will be defined on a per-architecture
 # basis.
-f:2:FETCH_PSEUDO_REGISTER:void:fetch_pseudo_register:int regnum:regnum:::0::0
+F:2:FETCH_PSEUDO_REGISTER:void:fetch_pseudo_register:int regnum:regnum:
 # This function is called when the value of a pseudo-register needs to
 # be set or stored.  Typically it will be defined on a
 # per-architecture basis.
-f:2:STORE_PSEUDO_REGISTER:void:store_pseudo_register:int regnum:regnum:::0::0
+F:2:STORE_PSEUDO_REGISTER:void:store_pseudo_register:int regnum:regnum:
 #
 f:2:POINTER_TO_ADDRESS:CORE_ADDR:pointer_to_address:struct type *type, void *buf:type, buf:::unsigned_pointer_to_address::0
 f:2:ADDRESS_TO_POINTER:void:address_to_pointer:struct type *type, void *buf, CORE_ADDR addr:type, buf, addr:::unsigned_address_to_pointer::0
@@ -476,18 +519,18 @@ F:2:INTEGER_TO_ADDRESS:CORE_ADDR:integer_to_address:struct type *type, void *buf
 #
 f:2:RETURN_VALUE_ON_STACK:int:return_value_on_stack:struct type *type:type:::generic_return_value_on_stack_not::0
 f:2:EXTRACT_RETURN_VALUE:void:extract_return_value:struct type *type, char *regbuf, char *valbuf:type, regbuf, valbuf::0:0
-f:1:PUSH_ARGUMENTS:CORE_ADDR:push_arguments:int nargs, struct value **args, CORE_ADDR sp, int struct_return, CORE_ADDR struct_addr:nargs, args, sp, struct_return, struct_addr::0:0
+f:2:PUSH_ARGUMENTS:CORE_ADDR:push_arguments:int nargs, struct value **args, CORE_ADDR sp, int struct_return, CORE_ADDR struct_addr:nargs, args, sp, struct_return, struct_addr:::default_push_arguments::0
 f:2:PUSH_DUMMY_FRAME:void:push_dummy_frame:void:-:::0
-f:1:PUSH_RETURN_ADDRESS:CORE_ADDR:push_return_address:CORE_ADDR pc, CORE_ADDR sp:pc, sp:::0
+F:2:PUSH_RETURN_ADDRESS:CORE_ADDR:push_return_address:CORE_ADDR pc, CORE_ADDR sp:pc, sp:::0
 f:2:POP_FRAME:void:pop_frame:void:-:::0
 #
 f:2:STORE_STRUCT_RETURN:void:store_struct_return:CORE_ADDR addr, CORE_ADDR sp:addr, sp:::0
 f:2:STORE_RETURN_VALUE:void:store_return_value:struct type *type, char *valbuf:type, valbuf:::0
 F:2:EXTRACT_STRUCT_VALUE_ADDRESS:CORE_ADDR:extract_struct_value_address:char *regbuf:regbuf:::0
-f:2:USE_STRUCT_CONVENTION:int:use_struct_convention:int gcc_p, struct type *value_type:gcc_p, value_type:::0
+f:2:USE_STRUCT_CONVENTION:int:use_struct_convention:int gcc_p, struct type *value_type:gcc_p, value_type:::generic_use_struct_convention::0
 #
 f:2:FRAME_INIT_SAVED_REGS:void:frame_init_saved_regs:struct frame_info *frame:frame::0:0
-f:2:INIT_EXTRA_FRAME_INFO:void:init_extra_frame_info:int fromleaf, struct frame_info *frame:fromleaf, frame:::0
+F:2:INIT_EXTRA_FRAME_INFO:void:init_extra_frame_info:int fromleaf, struct frame_info *frame:fromleaf, frame:::0
 #
 f:2:SKIP_PROLOGUE:CORE_ADDR:skip_prologue:CORE_ADDR ip:ip::0:0
 f:2:PROLOGUE_FRAMELESS_P:int:prologue_frameless_p:CORE_ADDR ip:ip::0:generic_prologue_frameless_p::0
@@ -504,7 +547,14 @@ f:2:REMOTE_TRANSLATE_XFER_ADDRESS:void:remote_translate_xfer_address:CORE_ADDR g
 v:2:FRAME_ARGS_SKIP:CORE_ADDR:frame_args_skip::::0:-1
 f:2:FRAMELESS_FUNCTION_INVOCATION:int:frameless_function_invocation:struct frame_info *fi:fi:::generic_frameless_function_invocation_not::0
 f:2:FRAME_CHAIN:CORE_ADDR:frame_chain:struct frame_info *frame:frame::0:0
-f:1:FRAME_CHAIN_VALID:int:frame_chain_valid:CORE_ADDR chain, struct frame_info *thisframe:chain, thisframe::0:0
+# 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.
+f:2:FRAME_CHAIN_VALID:int:frame_chain_valid:CORE_ADDR chain, struct frame_info *thisframe:chain, thisframe:::func_frame_chain_valid::0
 f:2:FRAME_SAVED_PC:CORE_ADDR:frame_saved_pc:struct frame_info *fi:fi::0:0
 f:2:FRAME_ARGS_ADDRESS:CORE_ADDR:frame_args_address:struct frame_info *fi:fi::0:0
 f:2:FRAME_LOCALS_ADDRESS:CORE_ADDR:frame_locals_address:struct frame_info *fi:fi::0:0
@@ -512,14 +562,14 @@ f:2:SAVED_PC_AFTER_CALL:CORE_ADDR:saved_pc_after_call:struct frame_info *frame:f
 f:2:FRAME_NUM_ARGS:int:frame_num_args:struct frame_info *frame:frame::0:0
 #
 F:2:STACK_ALIGN:CORE_ADDR:stack_align:CORE_ADDR sp:sp::0:0
-v:1:EXTRA_STACK_ALIGNMENT_NEEDED:int:extra_stack_alignment_needed::::0:1::0:::
+v:2:EXTRA_STACK_ALIGNMENT_NEEDED:int:extra_stack_alignment_needed::::0:1::0:::
 F:2:REG_STRUCT_HAS_ADDR:int:reg_struct_has_addr:int gcc_p, struct type *type:gcc_p, type::0:0
 F:2:SAVE_DUMMY_FRAME_TOS:void:save_dummy_frame_tos:CORE_ADDR sp:sp::0:0
 v:2:PARM_BOUNDARY:int:parm_boundary
 #
 v:2:TARGET_FLOAT_FORMAT:const struct floatformat *:float_format::::::default_float_format (gdbarch)
 v:2:TARGET_DOUBLE_FORMAT:const struct floatformat *:double_format::::::default_double_format (gdbarch)
-v:2:TARGET_LONG_DOUBLE_FORMAT:const struct floatformat *:long_double_format::::::&floatformat_unknown
+v:2:TARGET_LONG_DOUBLE_FORMAT:const struct floatformat *:long_double_format::::::default_double_format (gdbarch)
 f:2:CONVERT_FROM_FUNC_PTR_ADDR:CORE_ADDR:convert_from_func_ptr_addr:CORE_ADDR addr:addr:::core_addr_identity::0
 # 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.
@@ -531,6 +581,9 @@ f:2:CONVERT_FROM_FUNC_PTR_ADDR:CORE_ADDR:convert_from_func_ptr_addr:CORE_ADDR ad
 # sort of generic thing to handle alignment or segmentation (it's
 # possible it should be in TARGET_READ_PC instead).
 f:2:ADDR_BITS_REMOVE:CORE_ADDR:addr_bits_remove:CORE_ADDR addr:addr:::core_addr_identity::0
+# It is not at all clear why SMASH_TEXT_ADDRESS is not folded into 
+# ADDR_BITS_REMOVE.
+f:2:SMASH_TEXT_ADDRESS:CORE_ADDR:smash_text_address:CORE_ADDR addr:addr:::core_addr_identity::0
 # 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.
 #
@@ -546,6 +599,28 @@ f:2:SKIP_TRAMPOLINE_CODE:CORE_ADDR:skip_trampoline_code:CORE_ADDR pc:pc:::generi
 # trampoline code in the ".plt" section.  IN_SOLIB_CALL_TRAMPOLINE evaluates
 # to nonzero if we are current stopped in one of these.
 f:2:IN_SOLIB_CALL_TRAMPOLINE:int:in_solib_call_trampoline:CORE_ADDR pc, char *name:pc, name:::generic_in_solib_call_trampoline::0
+# 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.
+m:::int:in_function_epilogue_p:CORE_ADDR addr:addr::0:generic_in_function_epilogue_p::0
+# 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.
+m::CONSTRUCT_INFERIOR_ARGUMENTS:char *:construct_inferior_arguments:int argc, char **argv:argc, argv:::construct_inferior_arguments::0
+F:2:DWARF2_BUILD_FRAME_INFO:void:dwarf2_build_frame_info:struct objfile *objfile:objfile:::0
+f:2:ELF_MAKE_MSYMBOL_SPECIAL:void:elf_make_msymbol_special:asymbol *sym, struct minimal_symbol *msym:sym, msym:::default_elf_make_msymbol_special::0
+f:2:COFF_MAKE_MSYMBOL_SPECIAL:void:coff_make_msymbol_special:int val, struct minimal_symbol *msym:val, msym:::default_coff_make_msymbol_special::0
 EOF
 }
 
@@ -578,6 +653,16 @@ EOF
        kill $$
        exit 1
     fi
+    if class_is_multiarch_p
+    then
+       if class_is_predicate_p ; then :
+       elif test "x${predefault}" = "x"
+       then
+           echo "Error: pure multi-arch function must have a predefault" 1>&2
+           kill $$
+           exit 1
+       fi
+    fi
     echo ""
 done
 
@@ -591,7 +676,7 @@ cat <<EOF
 /* *INDENT-OFF* */ /* THIS FILE IS GENERATED */
 
 /* Dynamic architecture support for GDB, the GNU debugger.
-   Copyright 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
+   Copyright 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -642,7 +727,8 @@ cat <<EOF
 
 struct frame_info;
 struct value;
-
+struct objfile;
+struct minimal_symbol;
 
 extern struct gdbarch *current_gdbarch;
 
@@ -678,11 +764,11 @@ do
        printf "\n"
        printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
        printf "/* set_gdbarch_${function}() - not applicable - pre-initialized. */\n"
-       printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (${macro})\n"
+       printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
        printf "#error \"Non multi-arch definition of ${macro}\"\n"
        printf "#endif\n"
        printf "#if GDB_MULTI_ARCH\n"
-       printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (${macro})\n"
+       printf "#if (GDB_MULTI_ARCH ${gt_level}) || !defined (${macro})\n"
        printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
        printf "#endif\n"
        printf "#endif\n"
@@ -727,10 +813,10 @@ do
            printf "#endif\n"
            printf "\n"
            printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
-           printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (${macro}_P)\n"
+           printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro}_P)\n"
            printf "#error \"Non multi-arch definition of ${macro}\"\n"
            printf "#endif\n"
-           printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (${macro}_P)\n"
+           printf "#if (GDB_MULTI_ARCH ${gt_level}) || !defined (${macro}_P)\n"
            printf "#define ${macro}_P() (gdbarch_${function}_p (current_gdbarch))\n"
            printf "#endif\n"
        fi
@@ -749,11 +835,11 @@ do
        printf "\n"
        printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
        printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, ${returntype} ${function});\n"
-       printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (${macro})\n"
+       printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
        printf "#error \"Non multi-arch definition of ${macro}\"\n"
        printf "#endif\n"
        printf "#if GDB_MULTI_ARCH\n"
-       printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (${macro})\n"
+       printf "#if (GDB_MULTI_ARCH ${gt_level}) || !defined (${macro})\n"
        printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
        printf "#endif\n"
        printf "#endif\n"
@@ -795,11 +881,11 @@ do
        printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, gdbarch_${function}_ftype *${function});\n"
        if class_is_multiarch_p ; then :
        else
-           printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (${macro})\n"
+           printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
            printf "#error \"Non multi-arch definition of ${macro}\"\n"
            printf "#endif\n"
            printf "#if GDB_MULTI_ARCH\n"
-           printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (${macro})\n"
+           printf "#if (GDB_MULTI_ARCH ${gt_level}) || !defined (${macro})\n"
            if [ "x${actual}" = "x" ]
            then
                printf "#define ${macro}() (gdbarch_${function} (current_gdbarch))\n"
@@ -860,8 +946,7 @@ 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 recognize the selected architecture; an existing \`\`struct
@@ -885,7 +970,7 @@ struct gdbarch_info
   /* 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). */
@@ -1006,33 +1091,7 @@ extern void register_gdbarch_swap (void *data, unsigned long size, gdbarch_swap_
 
 /* The target-system-dependent 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
-
 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
@@ -1366,16 +1425,20 @@ cat <<EOF
 static void
 verify_gdbarch (struct gdbarch *gdbarch)
 {
+  struct ui_file *log;
+  struct cleanup *cleanups;
+  long dummy;
+  char *buf;
   /* Only perform sanity checks on a multi-arch target. */
   if (!GDB_MULTI_ARCH)
     return;
+  log = mem_fileopen ();
+  cleanups = make_cleanup_ui_file_delete (log);
   /* fundamental */
-  if (gdbarch->byte_order == 0)
-    internal_error (__FILE__, __LINE__,
-                    "verify_gdbarch: byte-order unset");
+  if (gdbarch->byte_order == BFD_ENDIAN_UNKNOWN)
+    fprintf_unfiltered (log, "\n\tbyte-order");
   if (gdbarch->bfd_arch_info == NULL)
-    internal_error (__FILE__, __LINE__,
-                    "verify_gdbarch: bfd_arch_info unset");
+    fprintf_unfiltered (log, "\n\tbfd_arch_info");
   /* Check those that need to be defined for the given multi-arch level. */
 EOF
 function_list | while do_read
@@ -1403,20 +1466,25 @@ do
            printf "    gdbarch->${function} = ${postdefault};\n"
        elif [ -n "${invalid_p}" ]
        then
-           printf "  if ((GDB_MULTI_ARCH >= ${level})\n"
+           printf "  if ((GDB_MULTI_ARCH ${gt_level})\n"
            printf "      && (${invalid_p}))\n"
-           printf "    internal_error (__FILE__, __LINE__,\n"
-           printf "                    \"gdbarch: verify_gdbarch: ${function} invalid\");\n"
+           printf "    fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
        elif [ -n "${predefault}" ]
        then
-           printf "  if ((GDB_MULTI_ARCH >= ${level})\n"
+           printf "  if ((GDB_MULTI_ARCH ${gt_level})\n"
            printf "      && (gdbarch->${function} == ${predefault}))\n"
-           printf "    internal_error (__FILE__, __LINE__,\n"
-           printf "                    \"gdbarch: verify_gdbarch: ${function} invalid\");\n"
+           printf "    fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
        fi
     fi
 done
 cat <<EOF
+  buf = ui_file_xstrdup (log, &dummy);
+  make_cleanup (xfree, buf);
+  if (strlen (buf) > 0)
+    internal_error (__FILE__, __LINE__,
+                    "verify_gdbarch: the following are invalid ...%s",
+                    buf);
+  do_cleanups (cleanups);
 }
 EOF
 
@@ -1450,6 +1518,7 @@ do
        printf "                        (long) current_gdbarch->${function});\n"
        continue
     fi
+    # Print the macro definition.
     printf "#ifdef ${macro}\n"
     if [ "x${returntype}" = "xvoid" ]
     then
@@ -1467,6 +1536,7 @@ do
        printf "                      \"gdbarch_dump: ${macro} # %%s\\\\n\",\n"
        printf "                      XSTRING (${macro}));\n"
     fi
+    # Print the architecture vector value
     if [ "x${returntype}" = "xvoid" ]
     then
        printf "#endif\n"
@@ -1994,17 +2064,17 @@ gdbarch_update_p (struct gdbarch_info info)
     info.bfd_arch_info = TARGET_ARCHITECTURE;
 
   /* \`\`(gdb) set byte-order ...'' */
-  if (info.byte_order == 0
+  if (info.byte_order == BFD_ENDIAN_UNKNOWN
       && !TARGET_BYTE_ORDER_AUTO)
     info.byte_order = TARGET_BYTE_ORDER;
   /* From the INFO struct. */
-  if (info.byte_order == 0
+  if (info.byte_order == BFD_ENDIAN_UNKNOWN
       && info.abfd != NULL)
-    info.byte_order = (bfd_big_endian (info.abfd) ? BIG_ENDIAN
-                      : bfd_little_endian (info.abfd) ? LITTLE_ENDIAN
-                      : 0);
+    info.byte_order = (bfd_big_endian (info.abfd) ? BFD_ENDIAN_BIG
+                      : bfd_little_endian (info.abfd) ? BFD_ENDIAN_LITTLE
+                      : BFD_ENDIAN_UNKNOWN);
   /* From the current target. */
-  if (info.byte_order == 0)
+  if (info.byte_order == BFD_ENDIAN_UNKNOWN)
     info.byte_order = TARGET_BYTE_ORDER;
 
   /* Must have found some sort of architecture. */
@@ -2020,8 +2090,8 @@ gdbarch_update_p (struct gdbarch_info info)
       fprintf_unfiltered (gdb_stdlog,
                          "gdbarch_update: info.byte_order %d (%s)\n",
                          info.byte_order,
-                         (info.byte_order == BIG_ENDIAN ? "big"
-                          : info.byte_order == LITTLE_ENDIAN ? "little"
+                         (info.byte_order == BFD_ENDIAN_BIG ? "big"
+                          : info.byte_order == BFD_ENDIAN_LITTLE ? "little"
                           : "default"));
       fprintf_unfiltered (gdb_stdlog,
                          "gdbarch_update: info.abfd 0x%lx\n",
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