-#!/usr/local/bin/bash
+#!/bin/sh -u
# Architecture commands for GDB, the GNU debugger.
-# Copyright 1998-2000 Free Software Foundation, Inc.
+# Copyright 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
#
# This file is part of GDB.
#
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+# Make certain that the script is running in an internationalized
+# environment.
+LANG=c ; export LANG
+LC_ALL=c ; export LC_ALL
+
+
compare_new ()
{
file=$1
- if ! test -r ${file}
+ 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 "${file} unchanged" 1>&2
else
}
-# DEFAULT is a valid fallback definition of a MACRO when
-# multi-arch is not enabled.
-default_is_fallback_p ()
-{
- [ "${default}" != "" -a "${invalid_p}" = "0" ]
- # FIXME: cagney - not until after 5.0
- false
-}
-
# Format of the input table
-read="class level macro returntype function formal actual attrib startup default invalid_p fmt print print_p description"
+read="class level macro returntype function formal actual attrib staticdefault predefault postdefault invalid_p fmt print print_p description"
do_read ()
{
- if eval read $read
+ comment=""
+ class=""
+ while read line
+ do
+ if test "${line}" = ""
+ then
+ continue
+ elif test "${line}" = "#" -a "${comment}" = ""
+ then
+ continue
+ elif expr "${line}" : "#" > /dev/null
+ then
+ comment="${comment}
+${line}"
+ else
+
+ # The semantics of IFS varies between different SH's. Some
+ # treat ``::' as three fields while some treat it as just too.
+ # Work around this by eliminating ``::'' ....
+ line="`echo "${line}" | sed -e 's/::/: :/g' -e 's/::/: :/g'`"
+
+ OFS="${IFS}" ; IFS="[:]"
+ eval read ${read} <<EOF
+${line}
+EOF
+ IFS="${OFS}"
+
+ # .... and then going back through each field and strip out those
+ # that ended up with just that space character.
+ for r in ${read}
+ do
+ if eval test \"\${${r}}\" = \"\ \"
+ then
+ eval ${r}=""
+ fi
+ done
+
+ case "${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 $$ ; exit 1 ;;
+ esac
+
+ case "${class}" in
+ m ) staticdefault="${predefault}" ;;
+ M ) staticdefault="0" ;;
+ * ) test "${staticdefault}" || staticdefault=0 ;;
+ esac
+ # NOT YET: Breaks BELIEVE_PCC_PROMOTION and confuses non-
+ # multi-arch defaults.
+ # test "${predefault}" || predefault=0
+
+ # come up with a format, use a few guesses for variables
+ case ":${class}:${fmt}:${print}:" in
+ :[vV]::: )
+ if [ "${returntype}" = int ]
+ then
+ fmt="%d"
+ print="${macro}"
+ elif [ "${returntype}" = long ]
+ then
+ fmt="%ld"
+ print="${macro}"
+ fi
+ ;;
+ esac
+ test "${fmt}" || fmt="%ld"
+ test "${print}" || print="(long) ${macro}"
+
+ case "${class}" in
+ F | V | M )
+ case "${invalid_p}" in
+ "" )
+ if test -n "${predefault}" -a "${predefault}" != "0"
+ then
+ #invalid_p="gdbarch->${function} == ${predefault}"
+ predicate="gdbarch->${function} != ${predefault}"
+ else
+ # filled in later
+ predicate=""
+ fi
+ ;;
+ * )
+ echo "Predicate function ${function} with invalid_p." 1>&2
+ kill $$
+ exit 1
+ ;;
+ esac
+ esac
+
+ # PREDEFAULT is a valid fallback definition of MEMBER when
+ # multi-arch is not enabled. This ensures that the
+ # default value, when multi-arch is the same as the
+ # default value when not multi-arch. POSTDEFAULT is
+ # always a valid definition of MEMBER as this again
+ # ensures consistency.
+
+ if [ -n "${postdefault}" ]
+ then
+ fallbackdefault="${postdefault}"
+ elif [ -n "${predefault}" ]
+ then
+ fallbackdefault="${predefault}"
+ else
+ fallbackdefault="0"
+ fi
+
+ #NOT YET: See gdbarch.log for basic verification of
+ # database
+
+ break
+ fi
+ done
+ if [ -n "${class}" ]
then
- test "${startup}" || startup=0
- test "${fmt}" || fmt="%ld"
- test "${print}" || print="(long) ${macro}"
- #test "${default}" || default=0
- :
+ true
else
false
fi
}
+fallback_default_p ()
+{
+ [ -n "${postdefault}" -a "x${invalid_p}" != "x0" ] \
+ || [ -n "${predefault}" -a "x${invalid_p}" = "x0" ]
+}
+
+class_is_variable_p ()
+{
+ case "${class}" in
+ *v* | *V* ) true ;;
+ * ) false ;;
+ esac
+}
+
+class_is_function_p ()
+{
+ case "${class}" in
+ *f* | *F* | *m* | *M* ) true ;;
+ * ) false ;;
+ esac
+}
+
+class_is_multiarch_p ()
+{
+ case "${class}" in
+ *m* | *M* ) true ;;
+ * ) false ;;
+ esac
+}
+
+class_is_predicate_p ()
+{
+ case "${class}" in
+ *F* | *V* | *M* ) true ;;
+ * ) false ;;
+ esac
+}
+
+class_is_info_p ()
+{
+ case "${class}" in
+ *i* ) true ;;
+ * ) false ;;
+ esac
+}
+
+
# dump out/verify the doco
for field in ${read}
do
# # -> line disable
# f -> function
# hiding a function
+ # F -> function + predicate
+ # hiding a function + predicate to test function validity
# v -> variable
# hiding a variable
+ # V -> variable + predicate
+ # hiding a variable + predicate to test variables validity
# i -> set from info
# hiding something from the ``struct info'' object
+ # m -> multi-arch function
+ # hiding a multi-arch function (parameterised with the architecture)
+ # M -> multi-arch function + predicate
+ # hiding a multi-arch function + predicate to test function validity
level ) : ;;
# Any GCC attributes that should be attached to the function
# declaration. At present this field is unused.
- startup ) : ;;
+ staticdefault ) : ;;
# To help with the GDB startup a static gdbarch object is
- # created. STARTUP is the value to insert into that static
- # gdbarch object.
+ # created. STATICDEFAULT is the value to insert into that
+ # static gdbarch object. Since this a static object only
+ # simple expressions can be used.
+
+ # If STATICDEFAULT is empty, zero is used.
+
+ predefault ) : ;;
+
+ # An initial value to assign to MEMBER of the freshly
+ # malloc()ed gdbarch object. After initialization, the
+ # freshly malloc()ed object is passed to the target
+ # architecture code for further updates.
+
+ # If PREDEFAULT is empty, zero is used.
+
+ # A non-empty PREDEFAULT, an empty POSTDEFAULT and a zero
+ # INVALID_P are specified, PREDEFAULT will be used as the
+ # default for the non- multi-arch target.
+
+ # A zero PREDEFAULT function will force the fallback to call
+ # internal_error().
+
+ # Variable declarations can refer to ``gdbarch'' which will
+ # contain the current architecture. Care should be taken.
+
+ postdefault ) : ;;
+
+ # A value to assign to MEMBER of the new gdbarch object should
+ # the target architecture code fail to change the PREDEFAULT
+ # value.
+
+ # If POSTDEFAULT is empty, no post update is performed.
- # By default ``0'' is used.
+ # If both INVALID_P and POSTDEFAULT are non-empty then
+ # INVALID_P will be used to determine if MEMBER should be
+ # changed to POSTDEFAULT.
- default ) : ;;
+ # If a non-empty POSTDEFAULT and a zero INVALID_P are
+ # specified, POSTDEFAULT will be used as the default for the
+ # non- multi-arch target (regardless of the value of
+ # PREDEFAULT).
- # Any initial value to assign to a new gdbarch object after it
- # as been malloc()ed. Zero is used by default.
+ # You cannot specify both a zero INVALID_P and a POSTDEFAULT.
- # Specify a non-empty DEFAULT and a zero INVALID_P to create a
- # fallback value or function for when multi-arch is disabled.
- # Specify a zero DEFAULT function to make that fallback
- # illegal to call.
+ # Variable declarations can refer to ``gdbarch'' which will
+ # contain the current architecture. Care should be taken.
invalid_p ) : ;;
- # A predicate equation that validates MEMBER. Non-zero is
+ # A predicate equation that validates MEMBER. Non-zero is
# returned if the code creating the new architecture failed to
- # initialize the MEMBER or initialized the member to something
- # invalid. By default, a check that the value is no longer
- # equal to DEFAULT ips performed. The equation ``0'' disables
- # the invalid_p check.
+ # initialize MEMBER or the initialized the member is invalid.
+ # If POSTDEFAULT is non-empty then MEMBER will be updated to
+ # that value. If POSTDEFAULT is empty then internal_error()
+ # is called.
+
+ # If INVALID_P is empty, a check that MEMBER is no longer
+ # equal to PREDEFAULT is used.
+
+ # The expression ``0'' disables the INVALID_P check making
+ # PREDEFAULT a legitimate value.
+
+ # See also PREDEFAULT and POSTDEFAULT.
fmt ) : ;;
# MEMBER. Sometimes "%s" is useful. For functions, this is
# ignored and the function address is printed.
- # By default ```%ld'' is used.
+ # If FMT is empty, ``%ld'' is used.
print ) : ;;
# An optional equation that casts MEMBER to a value suitable
# for formatting by FMT.
- # By default ``(long)'' is used.
+ # If PRINT is empty, ``(long)'' is used.
print_p ) : ;;
# An optional indicator for any predicte to wrap around the
# print member code.
- # # -> Wrap print up in ``#ifdef MACRO''
+ # () -> Call a custom function to do the dump.
# exp -> Wrap print up in ``if (${print_p}) ...
# ``'' -> No predicate
+ # If PRINT_P is empty, ``1'' is always used.
+
description ) : ;;
- # Currently unused.
+ # Currently unused.
- *) exit 1;;
+ *)
+ echo "Bad field ${field}"
+ exit 1;;
esac
done
-IFS=:
function_list ()
{
# See below (DOCO) for description of each field
- 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
+ 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::::BFD_ENDIAN_BIG
+#
+i:2:TARGET_OSABI:enum gdb_osabi:osabi::::GDB_OSABI_UNKNOWN
+# 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:
+#
+# Number of bits in a short or unsigned short for the target machine.
+v::TARGET_SHORT_BIT:int:short_bit::::8 * sizeof (short):2*TARGET_CHAR_BIT::0
+# Number of bits in an int or unsigned int for the target machine.
+v::TARGET_INT_BIT:int:int_bit::::8 * sizeof (int):4*TARGET_CHAR_BIT::0
+# Number of bits in a long or unsigned long for the target machine.
+v::TARGET_LONG_BIT:int:long_bit::::8 * sizeof (long):4*TARGET_CHAR_BIT::0
+# Number of bits in a long long or unsigned long long for the target
+# machine.
+v::TARGET_LONG_LONG_BIT:int:long_long_bit::::8 * sizeof (LONGEST):2*TARGET_LONG_BIT::0
+# Number of bits in a float for the target machine.
+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):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
+# / 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.
#
-i:2:TARGET_BYTE_ORDER:int:byte_order::::BIG_ENDIAN
+# ptr_bit is the size of a pointer on the target
+v::TARGET_PTR_BIT:int:ptr_bit::::8 * sizeof (void*):TARGET_INT_BIT::0
+# addr_bit is the size of a target address as represented in gdb
+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:1:TARGET_BFD_VMA_BIT:int:bfd_vma_bit::::8 * sizeof (void*):TARGET_ARCHITECTURE->bits_per_address:0
-v:1:TARGET_PTR_BIT:int:ptr_bit::::8 * sizeof (void*):0
-#v:1:TARGET_CHAR_BIT:int:char_bit::::8 * sizeof (char):0
-v:1:TARGET_SHORT_BIT:int:short_bit::::8 * sizeof (short):0
-v:1:TARGET_INT_BIT:int:int_bit::::8 * sizeof (int):0
-v:1:TARGET_LONG_BIT:int:long_bit::::8 * sizeof (long):0
-v:1:TARGET_LONG_LONG_BIT:int:long_long_bit::::8 * sizeof (LONGEST):0
-v:1:TARGET_FLOAT_BIT:int:float_bit::::8 * sizeof (float):0
-v:1:TARGET_DOUBLE_BIT:int:double_bit::::8 * sizeof (double):0
-v:1:TARGET_LONG_DOUBLE_BIT:int:long_double_bit::::8 * sizeof (long double):0
+# One if \`char' acts like \`signed char', zero if \`unsigned char'.
+v::TARGET_CHAR_SIGNED:int:char_signed::::1:-1:1::::
#
-f:1:TARGET_READ_PC:CORE_ADDR:read_pc:int pid:pid::0:0
-f:1:TARGET_WRITE_PC:void:write_pc:CORE_ADDR val, int pid:val, pid::0:0
-f:1:TARGET_READ_FP:CORE_ADDR:read_fp:void:::0:0
-f:1:TARGET_WRITE_FP:void:write_fp:CORE_ADDR val:val::0:0
-f:1:TARGET_READ_SP:CORE_ADDR:read_sp:void:::0:0
-f:1:TARGET_WRITE_SP:void:write_sp:CORE_ADDR val:val::0:0
+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
+f::TARGET_READ_FP:CORE_ADDR:read_fp:void:::0:generic_target_read_fp::0
+f::TARGET_READ_SP:CORE_ADDR:read_sp:void:::0:generic_target_read_sp::0
+f::TARGET_WRITE_SP:void:write_sp:CORE_ADDR val:val::0:generic_target_write_sp::0
+# 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.
+f::TARGET_VIRTUAL_FRAME_POINTER:void:virtual_frame_pointer:CORE_ADDR pc, int *frame_regnum, LONGEST *frame_offset:pc, frame_regnum, frame_offset::0:legacy_virtual_frame_pointer::0
+#
+M:::void:pseudo_register_read:struct regcache *regcache, int cookednum, void *buf:regcache, cookednum, buf:
+M:::void:pseudo_register_write:struct regcache *regcache, int cookednum, const void *buf:regcache, cookednum, buf:
#
v:2:NUM_REGS:int:num_regs::::0:-1
-v:2:SP_REGNUM:int:sp_regnum::::0:-1
-v:2:FP_REGNUM:int:fp_regnum::::0:-1
-v:2:PC_REGNUM:int:pc_regnum::::0:-1
-f:2:REGISTER_NAME:char *:register_name:int regnr:regnr:::legacy_register_name:0
+# This macro gives the number of pseudo-registers that live in the
+# register namespace but do not get fetched or stored on the target.
+# These pseudo-registers may be aliases for other registers,
+# combinations of other registers, or they may be computed by GDB.
+v:2:NUM_PSEUDO_REGS:int:num_pseudo_regs::::0:0::0:::
+
+# 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).
+v:2:SP_REGNUM:int:sp_regnum::::-1:-1::0
+v:2:FP_REGNUM:int:fp_regnum::::-1:-1::0
+v:2:PC_REGNUM:int:pc_regnum::::-1:-1::0
+v:2:PS_REGNUM:int:ps_regnum::::-1:-1::0
+v:2:FP0_REGNUM:int:fp0_regnum::::0:-1::0
+v:2:NPC_REGNUM:int:npc_regnum::::0:-1::0
+# Convert stab register number (from \`r\' declaration) to a gdb REGNUM.
+f:2:STAB_REG_TO_REGNUM:int:stab_reg_to_regnum:int stab_regnr:stab_regnr:::no_op_reg_to_regnum::0
+# Provide a default mapping from a ecoff register number to a gdb REGNUM.
+f:2:ECOFF_REG_TO_REGNUM:int:ecoff_reg_to_regnum:int ecoff_regnr:ecoff_regnr:::no_op_reg_to_regnum::0
+# Provide a default mapping from a DWARF register number to a gdb REGNUM.
+f:2:DWARF_REG_TO_REGNUM:int:dwarf_reg_to_regnum:int dwarf_regnr:dwarf_regnr:::no_op_reg_to_regnum::0
+# 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.
+f:2:SDB_REG_TO_REGNUM:int:sdb_reg_to_regnum:int sdb_regnr:sdb_regnr:::no_op_reg_to_regnum::0
+f:2:DWARF2_REG_TO_REGNUM:int:dwarf2_reg_to_regnum:int dwarf2_regnr:dwarf2_regnr:::no_op_reg_to_regnum::0
+f:2:REGISTER_NAME:const 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_BYTE:int:register_byte:int reg_nr:reg_nr::generic_register_byte:generic_register_byte::0
+f:2:REGISTER_RAW_SIZE:int:register_raw_size:int reg_nr:reg_nr::generic_register_size:generic_register_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_size:generic_register_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
#
-v:1:USE_GENERIC_DUMMY_FRAMES:int:use_generic_dummy_frames::::0:-1
-v:2: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::0x%08lx
+F:2:DEPRECATED_DO_REGISTERS_INFO:void:deprecated_do_registers_info:int reg_nr, int fpregs:reg_nr, fpregs
+m:2:PRINT_REGISTERS_INFO:void:print_registers_info:struct ui_file *file, struct frame_info *frame, int regnum, int all:file, frame, regnum, all:::default_print_registers_info::0
+M:2:PRINT_FLOAT_INFO:void:print_float_info:struct ui_file *file, struct frame_info *frame, const char *args:file, frame, args
+M:2:PRINT_VECTOR_INFO:void:print_vector_info:struct ui_file *file, struct frame_info *frame, const char *args:file, frame, args
+# 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:::legacy_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:DEPRECATED_USE_GENERIC_DUMMY_FRAMES:int:deprecated_use_generic_dummy_frames:::::1::0
+v:1:CALL_DUMMY_LOCATION:int:call_dummy_location:::::AT_ENTRY_POINT::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
+v:2:CALL_DUMMY_LENGTH:int:call_dummy_length::::0:-1:::::gdbarch->call_dummy_length >= 0
+# NOTE: cagney/2002-11-24: This function with predicate has a valid
+# (callable) initial value. As a consequence, even when the predicate
+# is false, the corresponding function works. This simplifies the
+# migration process - old code, calling DEPRECATED_PC_IN_CALL_DUMMY(),
+# doesn't need to be modified.
+F:1:DEPRECATED_PC_IN_CALL_DUMMY:int:deprecated_pc_in_call_dummy:CORE_ADDR pc, CORE_ADDR sp, CORE_ADDR frame_address:pc, sp, frame_address::generic_pc_in_call_dummy:generic_pc_in_call_dummy
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
-v:1:CALL_DUMMY_STACK_ADJUST_P:int:call_dummy_stack_adjust_p::::0:-1::0x%08lx
-v:2:CALL_DUMMY_STACK_ADJUST:int:call_dummy_stack_adjust::::0::gdbarch->call_dummy_stack_adjust_p && gdbarch->call_dummy_stack_adjust == 0:0x%08lx::CALL_DUMMY_STACK_ADJUST_P
-f:2:FIX_CALL_DUMMY:void:fix_call_dummy:char *dummy, CORE_ADDR pc, CORE_ADDR fun, int nargs, struct value **args, struct type *type, int gcc_p:dummy, pc, fun, nargs, args, type, gcc_p::0:0
+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
+v:1:CALL_DUMMY_STACK_ADJUST_P:int:call_dummy_stack_adjust_p::::0:-1:::0x%08lx
+v:2:CALL_DUMMY_STACK_ADJUST:int:call_dummy_stack_adjust::::0:::gdbarch->call_dummy_stack_adjust_p && gdbarch->call_dummy_stack_adjust == 0:0x%08lx::CALL_DUMMY_STACK_ADJUST_P
+f:2:FIX_CALL_DUMMY:void:fix_call_dummy:char *dummy, CORE_ADDR pc, CORE_ADDR fun, int nargs, struct value **args, struct type *type, int gcc_p:dummy, pc, fun, nargs, args, type, gcc_p:::0
+F:2:DEPRECATED_INIT_FRAME_PC_FIRST:CORE_ADDR:deprecated_init_frame_pc_first:int fromleaf, struct frame_info *prev:fromleaf, prev
+F::DEPRECATED_INIT_FRAME_PC:CORE_ADDR:deprecated_init_frame_pc:int fromleaf, struct frame_info *prev:fromleaf, prev
#
-v:2:BELIEVE_PCC_PROMOTION:int:believe_pcc_promotion::::0:::::#
-v:2:BELIEVE_PCC_PROMOTION_TYPE:int:believe_pcc_promotion_type::::0:::::#
-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
-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
+v:2:BELIEVE_PCC_PROMOTION:int:believe_pcc_promotion:::::::
+v:2:BELIEVE_PCC_PROMOTION_TYPE:int:believe_pcc_promotion_type:::::::
+F:2: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
#
-f:1: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
+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
#
-f:2:POINTER_TO_ADDRESS:CORE_ADDR:pointer_to_address:struct type *type, char *buf:type, buf:::generic_pointer_to_address:0
-f:2:ADDRESS_TO_POINTER:void:address_to_pointer:struct type *type, char *buf, CORE_ADDR addr:type, buf, addr:::generic_address_to_pointer:0
+f:1:CONVERT_REGISTER_P:int:convert_register_p:int regnum:regnum::0:legacy_convert_register_p::0
+f:1:REGISTER_TO_VALUE:void:register_to_value:int regnum, struct type *type, char *from, char *to:regnum, type, from, to::0:legacy_register_to_value::0
+f:1:VALUE_TO_REGISTER:void:value_to_register:struct type *type, int regnum, char *from, char *to:type, regnum, from, to::0:legacy_value_to_register::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_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:POP_FRAME:void:pop_frame:void:-:::0
+f:2:POINTER_TO_ADDRESS:CORE_ADDR:pointer_to_address:struct type *type, const 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
+F:2:INTEGER_TO_ADDRESS:CORE_ADDR:integer_to_address:struct type *type, void *buf:type, buf
#
-# I wish that these would just go away....
-f:2:D10V_MAKE_DADDR:CORE_ADDR:d10v_make_daddr:CORE_ADDR x:x:::0:0
-f:2:D10V_MAKE_IADDR:CORE_ADDR:d10v_make_iaddr:CORE_ADDR x:x:::0:0
-f:2:D10V_DADDR_P:int:d10v_daddr_p:CORE_ADDR x:x:::0
-f:2:D10V_IADDR_P:int:d10v_iaddr_p:CORE_ADDR x:x:::0
-f:2:D10V_CONVERT_DADDR_TO_RAW:CORE_ADDR:d10v_convert_daddr_to_raw:CORE_ADDR x:x:::0
-f:2:D10V_CONVERT_IADDR_TO_RAW:CORE_ADDR:d10v_convert_iaddr_to_raw:CORE_ADDR x:x:::0
+f:2:RETURN_VALUE_ON_STACK:int:return_value_on_stack:struct type *type:type:::generic_return_value_on_stack_not::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: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: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::EXTRACT_RETURN_VALUE:void:extract_return_value:struct type *type, struct regcache *regcache, void *valbuf:type, regcache, valbuf:::legacy_extract_return_value::0
+f::STORE_RETURN_VALUE:void:store_return_value:struct type *type, struct regcache *regcache, const void *valbuf:type, regcache, valbuf:::legacy_store_return_value::0
+f::DEPRECATED_EXTRACT_RETURN_VALUE:void:deprecated_extract_return_value:struct type *type, char *regbuf, char *valbuf:type, regbuf, valbuf
+f::DEPRECATED_STORE_RETURN_VALUE:void:deprecated_store_return_value:struct type *type, char *valbuf:type, valbuf
+#
+F:2:EXTRACT_STRUCT_VALUE_ADDRESS:CORE_ADDR:extract_struct_value_address:struct regcache *regcache:regcache:::0
+F:2:DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS:CORE_ADDR:deprecated_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:::generic_use_struct_convention::0
+#
+F:2:FRAME_INIT_SAVED_REGS:void:frame_init_saved_regs:struct frame_info *frame: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
f:2:INNER_THAN:int:inner_than:CORE_ADDR lhs, CORE_ADDR rhs:lhs, rhs::0:0
-f:2:BREAKPOINT_FROM_PC:unsigned char *:breakpoint_from_pc:CORE_ADDR *pcptr, int *lenptr:pcptr, lenptr:::legacy_breakpoint_from_pc:0
-f:2:MEMORY_INSERT_BREAKPOINT:int:memory_insert_breakpoint:CORE_ADDR addr, char *contents_cache:addr, contents_cache::0:default_memory_insert_breakpoint:0
-f:2:MEMORY_REMOVE_BREAKPOINT:int:memory_remove_breakpoint:CORE_ADDR addr, char *contents_cache:addr, contents_cache::0:default_memory_remove_breakpoint:0
+f:2:BREAKPOINT_FROM_PC:const unsigned char *:breakpoint_from_pc:CORE_ADDR *pcptr, int *lenptr:pcptr, lenptr:::legacy_breakpoint_from_pc::0
+f:2:MEMORY_INSERT_BREAKPOINT:int:memory_insert_breakpoint:CORE_ADDR addr, char *contents_cache:addr, contents_cache::0:default_memory_insert_breakpoint::0
+f:2:MEMORY_REMOVE_BREAKPOINT:int:memory_remove_breakpoint:CORE_ADDR addr, char *contents_cache:addr, contents_cache::0:default_memory_remove_breakpoint::0
v:2:DECR_PC_AFTER_BREAK:CORE_ADDR:decr_pc_after_break::::0:-1
+f::PREPARE_TO_PROCEED:int:prepare_to_proceed:int select_it:select_it::0:default_prepare_to_proceed::0
v:2:FUNCTION_START_OFFSET:CORE_ADDR:function_start_offset::::0:-1
#
-f:2:REMOTE_TRANSLATE_XFER_ADDRESS:void:remote_translate_xfer_address:CORE_ADDR gdb_addr, int gdb_len, CORE_ADDR *rem_addr, int *rem_len:gdb_addr, gdb_len, rem_addr, rem_len:::generic_remote_translate_xfer_address:0
+f:2:REMOTE_TRANSLATE_XFER_ADDRESS:void:remote_translate_xfer_address:CORE_ADDR gdb_addr, int gdb_len, CORE_ADDR *rem_addr, int *rem_len:gdb_addr, gdb_len, rem_addr, rem_len:::generic_remote_translate_xfer_address::0
#
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: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
+F:2:FRAME_CHAIN_VALID:int:frame_chain_valid:CORE_ADDR chain, struct frame_info *thisframe:chain, thisframe::0:0
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
+f:2:FRAME_ARGS_ADDRESS:CORE_ADDR:frame_args_address:struct frame_info *fi:fi::0:get_frame_base::0
+f:2:FRAME_LOCALS_ADDRESS:CORE_ADDR:frame_locals_address:struct frame_info *fi:fi::0:get_frame_base::0
f:2:SAVED_PC_AFTER_CALL:CORE_ADDR:saved_pc_after_call:struct frame_info *frame:frame::0:0
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
+M:::CORE_ADDR:frame_align:CORE_ADDR address:address
+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)::%s:(TARGET_FLOAT_FORMAT)->name
+v:2:TARGET_DOUBLE_FORMAT:const struct floatformat *:double_format::::::default_double_format (gdbarch)::%s:(TARGET_DOUBLE_FORMAT)->name
+v:2:TARGET_LONG_DOUBLE_FORMAT:const struct floatformat *:long_double_format::::::default_double_format (gdbarch)::%s:(TARGET_LONG_DOUBLE_FORMAT)->name
+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.
+# 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).
+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.
+#
+# 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.
+F:2:SOFTWARE_SINGLE_STEP:void:software_single_step:enum target_signal sig, int insert_breakpoints_p:sig, insert_breakpoints_p::0:0
+f:2:TARGET_PRINT_INSN:int:print_insn:bfd_vma vma, disassemble_info *info:vma, info:::legacy_print_insn::0
+f:2:SKIP_TRAMPOLINE_CODE:CORE_ADDR:skip_trampoline_code:CORE_ADDR pc:pc:::generic_skip_trampoline_code::0
+
+
+# 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 currently 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
+
+# Some systems also have trampoline code for returning from shared libs.
+f:2:IN_SOLIB_RETURN_TRAMPOLINE:int:in_solib_return_trampoline:CORE_ADDR pc, char *name:pc, name:::generic_in_solib_return_trampoline::0
+
+# Sigtramp is a routine that the kernel calls (which then calls the
+# signal handler). On most machines it is a library routine that is
+# linked into the executable.
+#
+# This macro, given a program counter value and the name of the
+# function in which that PC resides (which can be null if the name is
+# not known), returns nonzero if the PC and name show that we are in
+# sigtramp.
+#
+# On most machines just see if the name is sigtramp (and if we have
+# no name, assume we are not in sigtramp).
+#
+# FIXME: cagney/2002-04-21: The function find_pc_partial_function
+# calls find_pc_sect_partial_function() which calls PC_IN_SIGTRAMP.
+# This means PC_IN_SIGTRAMP function can't be implemented by doing its
+# own local NAME lookup.
+#
+# FIXME: cagney/2002-04-21: PC_IN_SIGTRAMP is something of a mess.
+# Some code also depends on SIGTRAMP_START and SIGTRAMP_END but other
+# does not.
+f:2:PC_IN_SIGTRAMP:int:pc_in_sigtramp:CORE_ADDR pc, char *name:pc, name:::legacy_pc_in_sigtramp::0
+F:2:SIGTRAMP_START:CORE_ADDR:sigtramp_start:CORE_ADDR pc:pc
+F::SIGTRAMP_END:CORE_ADDR:sigtramp_end:CORE_ADDR pc:pc
+# 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
+v::NAME_OF_MALLOC:const char *:name_of_malloc::::"malloc":"malloc"::0:%s:NAME_OF_MALLOC
+v::CANNOT_STEP_BREAKPOINT:int:cannot_step_breakpoint::::0:0::0
+v::HAVE_NONSTEPPABLE_WATCHPOINT:int:have_nonsteppable_watchpoint::::0:0::0
+F:2:ADDRESS_CLASS_TYPE_FLAGS:int:address_class_type_flags:int byte_size, int dwarf2_addr_class:byte_size, dwarf2_addr_class
+M:2:ADDRESS_CLASS_TYPE_FLAGS_TO_NAME:const char *:address_class_type_flags_to_name:int type_flags:type_flags:
+M:2:ADDRESS_CLASS_NAME_TO_TYPE_FLAGS:int:address_class_name_to_type_flags:const char *name, int *type_flags_ptr:name, type_flags_ptr
+# Is a register in a group
+m:::int:register_reggroup_p:int regnum, struct reggroup *reggroup:regnum, reggroup:::default_register_reggroup_p::0
EOF
- grep -v '^#'
}
-
-# dump it out
-if true
-then
- exec > new-gdbarch
- function_list | while do_read # eval read $read
- do
+#
+# The .log file
+#
+exec > new-gdbarch.log
+function_list | while do_read
+do
cat <<EOF
${class} ${macro}(${actual})
${returntype} ${function} ($formal)${attrib}
- level=${level}
- startup=${startup}
- default=${default}
- invalid_p=${invalid_p}
- fmt=${fmt}
- print=${print}
- print_p=${print_p}
- description=${description}
EOF
- done
- exec 1>&2
-fi
+ for r in ${read}
+ do
+ eval echo \"\ \ \ \ ${r}=\${${r}}\"
+ done
+ if class_is_predicate_p && fallback_default_p
+ then
+ echo "Error: predicate function ${macro} can not have a non- multi-arch default" 1>&2
+ kill $$
+ exit 1
+ fi
+ if [ "x${invalid_p}" = "x0" -a -n "${postdefault}" ]
+ then
+ echo "Error: postdefault is useless when invalid_p=0" 1>&2
+ kill $$
+ 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
+
+exec 1>&2
+compare_new gdbarch.log
+
copyright ()
{
/* *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, 2003 Free Software Foundation, Inc.
This file is part of GDB.
/* 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 "inferior.h" /* For unsigned_address_to_pointer(). */
+#endif
+
struct frame_info;
struct value;
-
-
-#ifndef GDB_MULTI_ARCH
-#define GDB_MULTI_ARCH 0
-#endif
+struct objfile;
+struct minimal_symbol;
+struct regcache;
+struct reggroup;
extern struct gdbarch *current_gdbarch;
-/* See gdb/doc/gdbint.texi for a discussion of the GDB_MULTI_ARCH
- macro */
-
-
/* If any of the following are defined, the target wasn't correctly
converted. */
-#if GDB_MULTI_ARCH
-#if defined (CALL_DUMMY)
-#error "CALL_DUMMY: replaced by CALL_DUMMY_WORDS/SIZEOF_CALL_DUMMY_WORDS"
-#endif
-#endif
-
-#if GDB_MULTI_ARCH
-#if defined (REGISTER_NAMES)
-#error "REGISTER_NAMES: replaced by REGISTER_NAME"
-#endif
-#endif
-
#if GDB_MULTI_ARCH
#if defined (EXTRA_FRAME_INFO)
#error "EXTRA_FRAME_INFO: replaced by struct frame_extra_info"
#error "FRAME_FIND_SAVED_REGS: replaced by FRAME_INIT_SAVED_REGS"
#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
EOF
# function typedef's
-echo ""
-echo ""
-echo "/* The following are pre-initialized by GDBARCH. */"
-function_list | while do_read # eval read $read
+printf "\n"
+printf "\n"
+printf "/* The following are pre-initialized by GDBARCH. */\n"
+function_list | while do_read
do
- case "${class}" in
- "i" )
- echo ""
- echo "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);"
- echo "/* set_gdbarch_${function}() - not applicable - pre-initialized. */"
- echo "#if GDB_MULTI_ARCH"
- echo "#if (GDB_MULTI_ARCH > 1) || !defined (${macro})"
- echo "#define ${macro} (gdbarch_${function} (current_gdbarch))"
- echo "#endif"
- echo "#endif"
- ;;
- esac
+ if class_is_info_p
+ then
+ 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 ${gt_level}) && defined (${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 ${gt_level}) || !defined (${macro})\n"
+ printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
+ printf "#endif\n"
+ printf "#endif\n"
+ fi
done
# function typedef's
-echo ""
-echo ""
-echo "/* The following are initialized by the target dependant code. */"
-function_list | while do_read # eval read $read
+printf "\n"
+printf "\n"
+printf "/* The following are initialized by the target dependent code. */\n"
+function_list | while do_read
do
- case "${class}" in
- "v" )
- echo ""
- echo "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);"
- echo "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, ${returntype} ${function});"
- echo "#if GDB_MULTI_ARCH"
- echo "#if (GDB_MULTI_ARCH > 1) || !defined (${macro})"
- echo "#define ${macro} (gdbarch_${function} (current_gdbarch))"
- echo "#endif"
- echo "#endif"
- ;;
- "f" )
- echo ""
- echo "typedef ${returntype} (gdbarch_${function}_ftype) (${formal});"
- if [ "${formal}" = "void" ]
+ if [ -n "${comment}" ]
+ then
+ echo "${comment}" | sed \
+ -e '2 s,#,/*,' \
+ -e '3,$ s,#, ,' \
+ -e '$ s,$, */,'
+ fi
+ if class_is_multiarch_p
+ then
+ if class_is_predicate_p
then
- echo "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);"
- else
- echo "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch, ${formal});"
+ printf "\n"
+ printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
+ fi
+ else
+ if class_is_predicate_p
+ then
+ printf "\n"
+ printf "#if defined (${macro})\n"
+ printf "/* Legacy for systems yet to multi-arch ${macro} */\n"
+ #printf "#if (GDB_MULTI_ARCH <= GDB_MULTI_ARCH_PARTIAL) && defined (${macro})\n"
+ printf "#if !defined (${macro}_P)\n"
+ printf "#define ${macro}_P() (1)\n"
+ printf "#endif\n"
+ printf "#endif\n"
+ printf "\n"
+ printf "/* Default predicate for non- multi-arch targets. */\n"
+ printf "#if (!GDB_MULTI_ARCH) && !defined (${macro}_P)\n"
+ printf "#define ${macro}_P() (0)\n"
+ printf "#endif\n"
+ printf "\n"
+ printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\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 ${gt_level}) || !defined (${macro}_P)\n"
+ printf "#define ${macro}_P() (gdbarch_${function}_p (current_gdbarch))\n"
+ printf "#endif\n"
+ fi
+ fi
+ if class_is_variable_p
+ then
+ if fallback_default_p || class_is_predicate_p
+ then
+ printf "\n"
+ printf "/* Default (value) for non- multi-arch platforms. */\n"
+ printf "#if (!GDB_MULTI_ARCH) && !defined (${macro})\n"
+ echo "#define ${macro} (${fallbackdefault})" \
+ | sed -e 's/\([^a-z_]\)\(gdbarch[^a-z_]\)/\1current_\2/g'
+ printf "#endif\n"
fi
- echo "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, gdbarch_${function}_ftype *${function});"
- if ! default_is_fallback_p
+ 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 ${gt_level}) && defined (${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 ${gt_level}) || !defined (${macro})\n"
+ printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
+ printf "#endif\n"
+ printf "#endif\n"
+ fi
+ if class_is_function_p
+ then
+ if class_is_multiarch_p ; then :
+ elif fallback_default_p || class_is_predicate_p
then
- echo "#if GDB_MULTI_ARCH"
+ printf "\n"
+ printf "/* Default (function) for non- multi-arch platforms. */\n"
+ printf "#if (!GDB_MULTI_ARCH) && !defined (${macro})\n"
+ if [ "x${fallbackdefault}" = "x0" ]
+ then
+ if [ "x${actual}" = "x-" ]
+ then
+ printf "#define ${macro} (internal_error (__FILE__, __LINE__, \"${macro}\"), 0)\n"
+ printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
+ else
+ printf "#define ${macro}(${actual}) (internal_error (__FILE__, __LINE__, \"${macro}\"), 0)\n"
+ fi
+ else
+ # FIXME: Should be passing current_gdbarch through!
+ echo "#define ${macro}(${actual}) (${fallbackdefault} (${actual}))" \
+ | sed -e 's/\([^a-z_]\)\(gdbarch[^a-z_]\)/\1current_\2/g'
+ fi
+ printf "#endif\n"
fi
- echo "#if (GDB_MULTI_ARCH > 1) || !defined (${macro})"
- if [ "${actual}" = "" ]
+ printf "\n"
+ if [ "x${formal}" = "xvoid" ] && class_is_multiarch_p
then
- echo "#define ${macro}() (gdbarch_${function} (current_gdbarch))"
- elif [ "${actual}" = "-" ]
+ printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch);\n"
+ elif class_is_multiarch_p
then
- echo "#define ${macro} (gdbarch_${function} (current_gdbarch))"
+ printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch, ${formal});\n"
else
- echo "#define ${macro}(${actual}) (gdbarch_${function} (current_gdbarch, ${actual}))"
+ printf "typedef ${returntype} (gdbarch_${function}_ftype) (${formal});\n"
fi
- echo "#endif"
- if ! default_is_fallback_p
+ if [ "x${formal}" = "xvoid" ]
then
- echo "#endif"
+ printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
+ else
+ printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch, ${formal});\n"
fi
- ;;
- esac
+ printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, gdbarch_${function}_ftype *${function});\n"
+ if class_is_multiarch_p ; then :
+ else
+ printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${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 ${gt_level}) || !defined (${macro})\n"
+ if [ "x${actual}" = "x" ]
+ then
+ printf "#define ${macro}() (gdbarch_${function} (current_gdbarch))\n"
+ elif [ "x${actual}" = "x-" ]
+ then
+ printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
+ else
+ printf "#define ${macro}(${actual}) (gdbarch_${function} (current_gdbarch, ${actual}))\n"
+ fi
+ printf "#endif\n"
+ printf "#endif\n"
+ fi
+ fi
done
# close it off
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:
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. */
architecture; ARCHES which is a list of the previously created
\`\`struct gdbarch'' for this architecture.
- The INIT function parameter INFO shall, as far as possible, be
- pre-initialized with information obtained from INFO.ABFD or
- previously selected architecture (if similar). INIT shall ensure
- that the INFO.BYTE_ORDER is non-zero.
+ The INFO parameter is, as far as possible, be pre-initialized with
+ information obtained from INFO.ABFD or the previously selected
+ architecture.
+
+ The ARCHES parameter is a linked list (sorted most recently used)
+ of all the previously created architures for this architecture
+ family. The (possibly NULL) ARCHES->gdbarch can used to access
+ values from the previously selected architecture for this
+ architecture family. The global \`\`current_gdbarch'' shall not be
+ used.
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''
- - that describes the selected architecture (see
- gdbarch_alloc()). */
+ - that describes the selected architecture (see gdbarch_alloc()).
+
+ The DUMP_TDEP function shall print out all target specific values.
+ Care should be taken to ensure that the function works in both the
+ multi-arch and non- multi-arch cases. */
struct gdbarch_list
{
struct gdbarch_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). */
/* Use default: NULL (ZERO). */
struct gdbarch_tdep_info *tdep_info;
+
+ /* Use default: GDB_OSABI_UNINITIALIZED (-1). */
+ enum gdb_osabi osabi;
};
typedef struct gdbarch *(gdbarch_init_ftype) (struct gdbarch_info info, struct gdbarch_list *arches);
+typedef void (gdbarch_dump_tdep_ftype) (struct gdbarch *gdbarch, struct ui_file *file);
+/* DEPRECATED - use gdbarch_register() */
extern void register_gdbarch_init (enum bfd_architecture architecture, gdbarch_init_ftype *);
+extern void gdbarch_register (enum bfd_architecture architecture,
+ gdbarch_init_ftype *,
+ gdbarch_dump_tdep_ftype *);
+
+
+/* Return a freshly allocated, NULL terminated, array of the valid
+ architecture names. Since architectures are registered during the
+ _initialize phase this function only returns useful information
+ once initialization has been completed. */
+
+extern const char **gdbarch_printable_names (void);
+
/* Helper function. Search the list of ARCHES for a GDBARCH that
matches the information provided by INFO. */
extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gdbarch_tdep *tdep);
-/* Helper function. Free a partially-constructed \`\`struct gdbarch''. */
+/* Helper function. Free a partially-constructed \`\`struct gdbarch''.
+ It is assumed that the caller freeds the \`\`struct
+ gdbarch_tdep''. */
+
extern void gdbarch_free (struct gdbarch *);
-/* Helper function. Force an update of the current architecture. Used
- by legacy targets that have added their own target specific
- architecture manipulation commands.
+/* Helper function. Force an update of the current architecture.
+
+ 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.
- The INFO parameter shall be fully initialized (\`\`memset (&INFO,
- sizeof (info), 0)'' set relevant fields) before gdbarch_update() is
- called. gdbarch_update() shall initialize any \`\`default'' fields
- using information obtained from the previous architecture or
- INFO.ABFD (if specified) before calling the corresponding
- architectures INIT function. */
+ Returns non-zero if the update succeeds */
-extern int gdbarch_update (struct gdbarch_info info);
+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.
- 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).
+ The per-architecture data-pointer is either initialized explicitly
+ (set_gdbarch_data()) or implicitly (by INIT() via a call to
+ gdbarch_data()). FREE() is called to delete either an existing
+ data-pointer overridden by set_gdbarch_data() or when the
+ architecture object is being deleted.
- INIT() shall return the initial value for the per-architecture
- data-pointer for the current architecture.
+ When a previously created architecture is re-selected, the
+ per-architecture data-pointer for that previous architecture is
+ restored. INIT() is not re-called.
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. */
-
-extern void *gdbarch_data (struct gdbarch_data*);
+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 *gdbarch, struct gdbarch_data *);
/* Register per-architecture memory region.
-/* 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
-/* 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
#define TARGET_ARCHITECTURE (target_architecture + 0)
#endif
-/* Notify the target dependant backend of a change to the selected
- architecture. A zero return status indicates that the target did
- not like the change. */
-
-extern int (*target_architecture_hook) (const struct bfd_arch_info *);
-
-
-
-/* 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);
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)
-#ifndef D10V_MAKE_DADDR
-#define D10V_MAKE_DADDR(X) (internal_error ("gdbarch: D10V_MAKE_DADDR"), 0)
-#endif
-#ifndef D10V_MAKE_IADDR
-#define D10V_MAKE_IADDR(X) (internal_error ("gdbarch: D10V_MAKE_IADDR"), 0)
-#endif
-
-
-/* Fallback definition of FRAMELESS_FUNCTION_INVOCATION */
-#ifndef FRAMELESS_FUNCTION_INVOCATION
-#define FRAMELESS_FUNCTION_INVOCATION(FI) (0)
-#endif
-
-
-/* Fallback definition of REGISTER_CONVERTIBLE etc */
-extern int generic_register_convertible_not (int reg_nr);
-#ifndef REGISTER_CONVERTIBLE
-#define REGISTER_CONVERTIBLE(x) (0)
-#endif
-#ifndef REGISTER_CONVERT_TO_VIRTUAL
-#define REGISTER_CONVERT_TO_VIRTUAL(x, y, z, a)
-#endif
-#ifndef REGISTER_CONVERT_TO_RAW
-#define REGISTER_CONVERT_TO_RAW(x, y, z, a)
-#endif
-
-
-/* Fallback definition for EXTRACT_STRUCT_VALUE_ADDRESS */
-#ifndef EXTRACT_STRUCT_VALUE_ADDRESS
-#define EXTRACT_STRUCT_VALUE_ADDRESS_P (0)
-#define EXTRACT_STRUCT_VALUE_ADDRESS(X) (internal_error ("gdbarch: EXTRACT_STRUCT_VALUE_ADDRESS"), 0)
-#else
-#ifndef EXTRACT_STRUCT_VALUE_ADDRESS_P
-#define EXTRACT_STRUCT_VALUE_ADDRESS_P (1)
-#endif
-#endif
-
-
-/* Fallback definition for REGISTER_NAME for systems still defining
- REGISTER_NAMES. */
-#ifndef REGISTER_NAME
-extern char *gdb_register_names[];
-#define REGISTER_NAME(i) gdb_register_names[i]
-#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 *);
-/* Explicitly set the dynamic target-system-dependant parameters based
- on bfd_architecture and machine. */
-
-extern void set_architecture_from_arch_mach (enum bfd_architecture, unsigned long);
-
-
/* Initialize the current architecture to the "first" one we find on
our list. */
extern void initialize_current_architecture (void);
-/* Helper function for targets that don't know how my arguments are
- being passed */
-
-extern int frame_num_args_unknown (struct frame_info *fi);
-
+/* 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 (void);
/* gdbarch trace variable */
extern int gdbarch_debug;
-extern void gdbarch_dump (void);
+extern void gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file);
#endif
EOF
cat <<EOF
#include "defs.h"
-#include "gdbarch-utils.h"
+#include "arch-utils.h"
#if GDB_MULTI_ARCH
#include "gdbcmd.h"
#include "gdbthread.h"
#include "annotate.h"
#include "symfile.h" /* for overlay functions */
+#include "value.h" /* For old tm.h/nm.h macros. */
#endif
#include "symcat.h"
+#include "floatformat.h"
+
+#include "gdb_assert.h"
+#include "gdb_string.h"
+#include "gdb-events.h"
+#include "reggroups.h"
+#include "osabi.h"
/* Static function declarations */
static void verify_gdbarch (struct gdbarch *gdbarch);
-static void init_gdbarch_data (struct gdbarch *);
+static void alloc_gdbarch_data (struct gdbarch *);
+static void free_gdbarch_data (struct gdbarch *);
static void init_gdbarch_swap (struct gdbarch *);
+static void clear_gdbarch_swap (struct gdbarch *);
static void swapout_gdbarch_swap (struct gdbarch *);
static void swapin_gdbarch_swap (struct gdbarch *);
-/* Convenience macro for allocting typesafe memory. */
-
-#ifndef XMALLOC
-#define XMALLOC(TYPE) (TYPE*) xmalloc (sizeof (TYPE))
-#endif
-
-
/* Non-zero if we want to trace architecture code. */
#ifndef GDBARCH_DEBUG
EOF
# gdbarch open the gdbarch object
-echo ""
-echo "/* Maintain the struct gdbarch object */"
-echo ""
-echo "struct gdbarch"
-echo "{"
-echo " /* basic architectural information */"
-function_list | while do_read # eval read $read
+printf "\n"
+printf "/* Maintain the struct gdbarch object */\n"
+printf "\n"
+printf "struct gdbarch\n"
+printf "{\n"
+printf " /* Has this architecture been fully initialized? */\n"
+printf " int initialized_p;\n"
+printf " /* basic architectural information */\n"
+function_list | while do_read
do
- case "${class}" in
- "i" ) echo " ${returntype} ${function};" ;;
- esac
+ if class_is_info_p
+ then
+ printf " ${returntype} ${function};\n"
+ fi
done
-echo ""
-echo " /* target specific vector. */"
-echo " struct gdbarch_tdep *tdep;"
-echo ""
-echo " /* per-architecture data-pointers */"
-echo " int nr_data;"
-echo " void **data;"
-echo ""
-echo " /* per-architecture swap-regions */"
-echo " struct gdbarch_swap *swap;"
-echo ""
+printf "\n"
+printf " /* target specific vector. */\n"
+printf " struct gdbarch_tdep *tdep;\n"
+printf " gdbarch_dump_tdep_ftype *dump_tdep;\n"
+printf "\n"
+printf " /* per-architecture data-pointers */\n"
+printf " unsigned nr_data;\n"
+printf " void **data;\n"
+printf "\n"
+printf " /* per-architecture swap-regions */\n"
+printf " struct gdbarch_swap *swap;\n"
+printf "\n"
cat <<EOF
/* Multi-arch values.
verify_gdbarch(): Confirm that the target updated the field
correctly.
- gdbarch_dump(): Add a fprintf_unfiltered call to so that the new
+ gdbarch_dump(): Add a fprintf_unfiltered call so that the new
field is dumped out
\`\`startup_gdbarch()'': Append an initial value to the static
*/
EOF
-function_list | while do_read # eval read $read
+function_list | while do_read
do
- case "${class}" in
- "v" ) echo " ${returntype} ${function};" ;;
- "f" ) echo " gdbarch_${function}_ftype *${function}${attrib};" ;;
- esac
+ if class_is_variable_p
+ then
+ printf " ${returntype} ${function};\n"
+ elif class_is_function_p
+ then
+ printf " gdbarch_${function}_ftype *${function}${attrib};\n"
+ fi
done
-echo "};"
+printf "};\n"
# A pre-initialized vector
-echo ""
-echo ""
+printf "\n"
+printf "\n"
cat <<EOF
/* The default architecture uses host values (for want of a better
choice). */
EOF
-echo ""
-echo "extern const struct bfd_arch_info bfd_default_arch_struct;"
-echo ""
-echo "struct gdbarch startup_gdbarch = {"
-echo " /* basic architecture information */"
-function_list | while do_read # eval read $read
+printf "\n"
+printf "extern const struct bfd_arch_info bfd_default_arch_struct;\n"
+printf "\n"
+printf "struct gdbarch startup_gdbarch =\n"
+printf "{\n"
+printf " 1, /* Always initialized. */\n"
+printf " /* basic architecture information */\n"
+function_list | while do_read
do
- case "${class}" in
- "i" )
- echo " ${startup},"
- ;;
- esac
+ if class_is_info_p
+ then
+ printf " ${staticdefault},\n"
+ fi
done
cat <<EOF
- /* target specific vector */
- NULL,
+ /* target specific vector and its dump routine */
+ NULL, NULL,
/*per-architecture data-pointers and swap regions */
0, NULL, NULL,
/* Multi-arch values */
EOF
-function_list | while do_read # eval read $read
+function_list | while do_read
do
- case "${class}" in
- "f" | "v" )
- echo " ${startup},"
- ;;
- esac
+ if class_is_function_p || class_is_variable_p
+ then
+ printf " ${staticdefault},\n"
+ fi
done
cat <<EOF
/* startup_gdbarch() */
};
+
struct gdbarch *current_gdbarch = &startup_gdbarch;
+
+/* Do any initialization needed for a non-multiarch configuration
+ after the _initialize_MODULE functions have been run. */
+void
+initialize_non_multiarch (void)
+{
+ alloc_gdbarch_data (&startup_gdbarch);
+ /* Ensure that all swap areas are zeroed so that they again think
+ they are starting from scratch. */
+ clear_gdbarch_swap (&startup_gdbarch);
+ init_gdbarch_swap (&startup_gdbarch);
+}
EOF
# Create a new gdbarch struct
-echo ""
-echo ""
+printf "\n"
+printf "\n"
cat <<EOF
-/* Create a new \`\`struct gdbarch'' based in information provided by
+/* Create a new \`\`struct gdbarch'' based on information provided by
\`\`struct gdbarch_info''. */
EOF
-echo ""
+printf "\n"
cat <<EOF
struct gdbarch *
gdbarch_alloc (const struct gdbarch_info *info,
struct gdbarch_tdep *tdep)
{
- struct gdbarch *gdbarch = XMALLOC (struct gdbarch);
- memset (gdbarch, 0, sizeof (*gdbarch));
-
- gdbarch->tdep = tdep;
+ /* NOTE: The new architecture variable is named \`\`current_gdbarch''
+ so that macros such as TARGET_DOUBLE_BIT, when expanded, refer to
+ the current local architecture and not the previous global
+ architecture. This ensures that the new architectures initial
+ values are not influenced by the previous architecture. Once
+ everything is parameterised with gdbarch, this will go away. */
+ struct gdbarch *current_gdbarch = XMALLOC (struct gdbarch);
+ memset (current_gdbarch, 0, sizeof (*current_gdbarch));
+
+ alloc_gdbarch_data (current_gdbarch);
+
+ current_gdbarch->tdep = tdep;
EOF
-echo ""
-function_list | while do_read # eval read $read
+printf "\n"
+function_list | while do_read
do
- case "${class}" in
- "i" ) echo " gdbarch->${function} = info->${function};"
- esac
+ if class_is_info_p
+ then
+ printf " current_gdbarch->${function} = info->${function};\n"
+ fi
done
-echo ""
-echo " /* Force the explicit initialization of these. */"
-function_list | while do_read # eval read $read
+printf "\n"
+printf " /* Force the explicit initialization of these. */\n"
+function_list | while do_read
do
- case "${class}" in
- "f" | "v" )
- if [ "${default}" != "" -a "${default}" != "0" ]
+ if class_is_function_p || class_is_variable_p
+ then
+ if [ -n "${predefault}" -a "x${predefault}" != "x0" ]
then
- echo " gdbarch->${function} = ${default};"
+ printf " current_gdbarch->${function} = ${predefault};\n"
fi
- ;;
- esac
+ fi
done
cat <<EOF
/* gdbarch_alloc() */
- return gdbarch;
+ return current_gdbarch;
}
EOF
# Free a gdbarch struct.
-echo ""
-echo ""
+printf "\n"
+printf "\n"
cat <<EOF
/* Free a gdbarch struct. This should never happen in normal
operation --- once you've created a gdbarch, you keep it around.
However, if an architecture's init function encounters an error
building the structure, it may need to clean up a partially
constructed gdbarch. */
+
void
gdbarch_free (struct gdbarch *arch)
{
- /* At the moment, this is trivial. */
- free (arch);
+ gdb_assert (arch != NULL);
+ free_gdbarch_data (arch);
+ xfree (arch);
}
EOF
# verify a new architecture
-echo ""
-echo ""
-echo "/* Ensure that all values in a GDBARCH are reasonable. */"
-echo ""
+printf "\n"
+printf "\n"
+printf "/* Ensure that all values in a GDBARCH are reasonable. */\n"
+printf "\n"
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 <= 0)
+ if (!GDB_MULTI_ARCH)
return;
+ log = mem_fileopen ();
+ cleanups = make_cleanup_ui_file_delete (log);
/* fundamental */
- if (gdbarch->byte_order == 0)
- internal_error ("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 ("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 # eval read $read
+function_list | while do_read
do
- case "${class}" in
- "f" | "v" )
- if [ "${invalid_p}" = "0" ]
+ if class_is_function_p || class_is_variable_p
+ then
+ if [ "x${invalid_p}" = "x0" ]
+ then
+ printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
+ elif class_is_predicate_p
+ then
+ printf " /* Skip verify of ${function}, has predicate */\n"
+ # FIXME: See do_read for potential simplification
+ elif [ -n "${invalid_p}" -a -n "${postdefault}" ]
+ then
+ printf " if (${invalid_p})\n"
+ printf " gdbarch->${function} = ${postdefault};\n"
+ elif [ -n "${predefault}" -a -n "${postdefault}" ]
+ then
+ printf " if (gdbarch->${function} == ${predefault})\n"
+ printf " gdbarch->${function} = ${postdefault};\n"
+ elif [ -n "${postdefault}" ]
then
- echo " /* Skip verify of ${function}, invalid_p == 0 */"
- elif [ "${invalid_p}" ]
+ printf " if (gdbarch->${function} == 0)\n"
+ printf " gdbarch->${function} = ${postdefault};\n"
+ elif [ -n "${invalid_p}" ]
then
- echo " if ((GDB_MULTI_ARCH >= ${level})"
- echo " && (${invalid_p}))"
- echo " internal_error (\"gdbarch: verify_gdbarch: ${function} invalid\");"
- elif [ "${default}" ]
+ printf " if ((GDB_MULTI_ARCH ${gt_level})\n"
+ printf " && (${invalid_p}))\n"
+ printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
+ elif [ -n "${predefault}" ]
then
- echo " if ((GDB_MULTI_ARCH >= ${level})"
- echo " && (gdbarch->${function} == ${default}))"
- echo " internal_error (\"gdbarch: verify_gdbarch: ${function} invalid\");"
+ printf " if ((GDB_MULTI_ARCH ${gt_level})\n"
+ printf " && (gdbarch->${function} == ${predefault}))\n"
+ printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
fi
- ;;
- esac
+ 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
# dump the structure
-echo ""
-echo ""
-echo "/* Print out the details of the current architecture. */"
-echo ""
+printf "\n"
+printf "\n"
cat <<EOF
+/* Print out the details of the current architecture. */
+
+/* NOTE/WARNING: The parameter is called \`\`current_gdbarch'' so that it
+ just happens to match the global variable \`\`current_gdbarch''. That
+ way macros refering to that variable get the local and not the global
+ version - ulgh. Once everything is parameterised with gdbarch, this
+ will go away. */
+
void
-gdbarch_dump (void)
+gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file)
{
+ fprintf_unfiltered (file,
+ "gdbarch_dump: GDB_MULTI_ARCH = %d\\n",
+ GDB_MULTI_ARCH);
EOF
-function_list | while do_read # eval read $read
+function_list | sort -t: -k 3 | while do_read
do
- case "${class}" in
- "f" )
- echo " fprintf_unfiltered (gdb_stdlog,"
- echo " \"gdbarch_update: ${macro} = 0x%08lx\\n\","
- echo " (long) current_gdbarch->${function}"
- echo " /*${macro} ()*/);"
- ;;
- * )
- if [ "${print_p}" = "#" ]
- then
- echo "#ifdef ${macro}"
- echo " fprintf_unfiltered (gdb_stdlog,"
- echo " \"gdbarch_update: ${macro} = ${fmt}\\n\","
- echo " ${print});"
- echo "#endif"
- elif [ "${print_p}" ]
+ # First the predicate
+ if class_is_predicate_p
+ then
+ if class_is_multiarch_p
then
- echo " if (${print_p})"
- echo " fprintf_unfiltered (gdb_stdlog,"
- echo " \"gdbarch_update: ${macro} = ${fmt}\\n\","
- echo " ${print});"
+ printf " if (GDB_MULTI_ARCH)\n"
+ printf " fprintf_unfiltered (file,\n"
+ printf " \"gdbarch_dump: gdbarch_${function}_p() = %%d\\\\n\",\n"
+ printf " gdbarch_${function}_p (current_gdbarch));\n"
else
- echo " fprintf_unfiltered (gdb_stdlog,"
- echo " \"gdbarch_update: ${macro} = ${fmt}\\n\","
- echo " ${print});"
+ printf "#ifdef ${macro}_P\n"
+ printf " fprintf_unfiltered (file,\n"
+ printf " \"gdbarch_dump: %%s # %%s\\\\n\",\n"
+ printf " \"${macro}_P()\",\n"
+ printf " XSTRING (${macro}_P ()));\n"
+ printf " fprintf_unfiltered (file,\n"
+ printf " \"gdbarch_dump: ${macro}_P() = %%d\\\\n\",\n"
+ printf " ${macro}_P ());\n"
+ printf "#endif\n"
fi
- ;;
- esac
+ fi
+ # multiarch functions don't have macros.
+ if class_is_multiarch_p
+ then
+ printf " if (GDB_MULTI_ARCH)\n"
+ printf " fprintf_unfiltered (file,\n"
+ printf " \"gdbarch_dump: ${function} = 0x%%08lx\\\\n\",\n"
+ printf " (long) current_gdbarch->${function});\n"
+ continue
+ fi
+ # Print the macro definition.
+ printf "#ifdef ${macro}\n"
+ if [ "x${returntype}" = "xvoid" ]
+ then
+ printf "#if GDB_MULTI_ARCH\n"
+ printf " /* Macro might contain \`[{}]' when not multi-arch */\n"
+ fi
+ if class_is_function_p
+ then
+ printf " fprintf_unfiltered (file,\n"
+ printf " \"gdbarch_dump: %%s # %%s\\\\n\",\n"
+ printf " \"${macro}(${actual})\",\n"
+ printf " XSTRING (${macro} (${actual})));\n"
+ else
+ printf " fprintf_unfiltered (file,\n"
+ printf " \"gdbarch_dump: ${macro} # %%s\\\\n\",\n"
+ printf " XSTRING (${macro}));\n"
+ fi
+ # Print the architecture vector value
+ if [ "x${returntype}" = "xvoid" ]
+ then
+ printf "#endif\n"
+ fi
+ if [ "x${print_p}" = "x()" ]
+ then
+ printf " gdbarch_dump_${function} (current_gdbarch);\n"
+ elif [ "x${print_p}" = "x0" ]
+ then
+ printf " /* skip print of ${macro}, print_p == 0. */\n"
+ elif [ -n "${print_p}" ]
+ then
+ printf " if (${print_p})\n"
+ printf " fprintf_unfiltered (file,\n"
+ printf " \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}"
+ printf " ${print});\n"
+ elif class_is_function_p
+ then
+ printf " if (GDB_MULTI_ARCH)\n"
+ printf " fprintf_unfiltered (file,\n"
+ printf " \"gdbarch_dump: ${macro} = <0x%%08lx>\\\\n\",\n"
+ printf " (long) current_gdbarch->${function}\n"
+ printf " /*${macro} ()*/);\n"
+ else
+ printf " fprintf_unfiltered (file,\n"
+ printf " \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}"
+ printf " ${print});\n"
+ fi
+ printf "#endif\n"
done
-echo "}"
+cat <<EOF
+ if (current_gdbarch->dump_tdep != NULL)
+ current_gdbarch->dump_tdep (current_gdbarch, file);
+}
+EOF
# GET/SET
-echo ""
+printf "\n"
cat <<EOF
struct gdbarch_tdep *
gdbarch_tdep (struct gdbarch *gdbarch)
{
if (gdbarch_debug >= 2)
- fprintf_unfiltered (gdb_stdlog, "gdbarch_tdep called\n");
+ fprintf_unfiltered (gdb_stdlog, "gdbarch_tdep called\\n");
return gdbarch->tdep;
}
EOF
-echo ""
-function_list | while do_read # eval read $read
+printf "\n"
+function_list | while do_read
do
- case "${class}" in
- "f" )
- echo ""
- echo "${returntype}"
- if [ "${formal}" = "void" ]
+ if class_is_predicate_p
+ then
+ printf "\n"
+ printf "int\n"
+ printf "gdbarch_${function}_p (struct gdbarch *gdbarch)\n"
+ printf "{\n"
+ printf " gdb_assert (gdbarch != NULL);\n"
+ if [ -n "${predicate}" ]
then
- echo "gdbarch_${function} (struct gdbarch *gdbarch)"
+ printf " return ${predicate};\n"
else
- echo "gdbarch_${function} (struct gdbarch *gdbarch, ${formal})"
+ printf " return gdbarch->${function} != 0;\n"
fi
- echo "{"
- if default_is_fallback_p && [ "${default}" != "0" ]
+ printf "}\n"
+ fi
+ if class_is_function_p
+ then
+ printf "\n"
+ printf "${returntype}\n"
+ if [ "x${formal}" = "xvoid" ]
then
- echo " if (GDB_MULTI_ARCH == 0)"
- if [ "${returntype}" = "void" ]
- then
- echo " {"
- echo " ${default} (${actual});"
- echo " return;"
- echo " }"
- else
- echo " return ${default} (${actual});"
- fi
+ printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
+ else
+ printf "gdbarch_${function} (struct gdbarch *gdbarch, ${formal})\n"
+ fi
+ printf "{\n"
+ printf " gdb_assert (gdbarch != NULL);\n"
+ printf " if (gdbarch->${function} == 0)\n"
+ printf " internal_error (__FILE__, __LINE__,\n"
+ printf " \"gdbarch: gdbarch_${function} invalid\");\n"
+ if class_is_predicate_p && test -n "${predicate}"
+ then
+ # Allow a call to a function with a predicate.
+ printf " /* Ignore predicate (${predicate}). */\n"
fi
- echo " if (gdbarch->${function} == 0)"
- echo " internal_error (\"gdbarch: gdbarch_${function} invalid\");"
- echo " if (gdbarch_debug >= 2)"
- echo " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\n\");"
- test "${actual}" = "-" && actual=""
- if [ "${returntype}" = "void" ]
+ printf " if (gdbarch_debug >= 2)\n"
+ printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
+ if [ "x${actual}" = "x-" -o "x${actual}" = "x" ]
+ then
+ if class_is_multiarch_p
+ then
+ params="gdbarch"
+ else
+ params=""
+ fi
+ else
+ if class_is_multiarch_p
+ then
+ params="gdbarch, ${actual}"
+ else
+ params="${actual}"
+ fi
+ fi
+ if [ "x${returntype}" = "xvoid" ]
then
- echo " gdbarch->${function} (${actual});"
+ printf " gdbarch->${function} (${params});\n"
else
- echo " return gdbarch->${function} (${actual});"
+ printf " return gdbarch->${function} (${params});\n"
fi
- echo "}"
- echo ""
- echo "void"
- echo "set_gdbarch_${function} (struct gdbarch *gdbarch,"
- echo " `echo ${function} | sed -e 's/./ /g'` gdbarch_${function}_ftype ${function})"
- echo "{"
- echo " gdbarch->${function} = ${function};"
- echo "}"
- ;;
- "v" )
- echo ""
- echo "${returntype}"
- echo "gdbarch_${function} (struct gdbarch *gdbarch)"
- echo "{"
- if [ "${invalid_p}" = "0" ]
+ printf "}\n"
+ printf "\n"
+ printf "void\n"
+ printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
+ printf " `echo ${function} | sed -e 's/./ /g'` gdbarch_${function}_ftype ${function})\n"
+ printf "{\n"
+ printf " gdbarch->${function} = ${function};\n"
+ printf "}\n"
+ elif class_is_variable_p
+ then
+ printf "\n"
+ printf "${returntype}\n"
+ printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
+ printf "{\n"
+ printf " gdb_assert (gdbarch != NULL);\n"
+ if [ "x${invalid_p}" = "x0" ]
then
- echo " /* Skip verify of ${function}, invalid_p == 0 */"
- elif [ "${invalid_p}" ]
+ printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
+ elif [ -n "${invalid_p}" ]
then
- echo " if (${invalid_p})"
- echo " internal_error (\"gdbarch: gdbarch_${function} invalid\");"
- elif [ "${default}" ]
+ printf " if (${invalid_p})\n"
+ printf " internal_error (__FILE__, __LINE__,\n"
+ printf " \"gdbarch: gdbarch_${function} invalid\");\n"
+ elif [ -n "${predefault}" ]
then
- echo " if (gdbarch->${function} == ${default})"
- echo " internal_error (\"gdbarch: gdbarch_${function} invalid\");"
+ printf " if (gdbarch->${function} == ${predefault})\n"
+ printf " internal_error (__FILE__, __LINE__,\n"
+ printf " \"gdbarch: gdbarch_${function} invalid\");\n"
fi
- echo " if (gdbarch_debug >= 2)"
- echo " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\n\");"
- echo " return gdbarch->${function};"
- echo "}"
- echo ""
- echo "void"
- echo "set_gdbarch_${function} (struct gdbarch *gdbarch,"
- echo " `echo ${function} | sed -e 's/./ /g'` ${returntype} ${function})"
- echo "{"
- echo " gdbarch->${function} = ${function};"
- echo "}"
- ;;
- "i" )
- echo ""
- echo "${returntype}"
- echo "gdbarch_${function} (struct gdbarch *gdbarch)"
- echo "{"
- echo " if (gdbarch_debug >= 2)"
- echo " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\n\");"
- echo " return gdbarch->${function};"
- echo "}"
- ;;
- esac
+ printf " if (gdbarch_debug >= 2)\n"
+ printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
+ printf " return gdbarch->${function};\n"
+ printf "}\n"
+ printf "\n"
+ printf "void\n"
+ printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
+ printf " `echo ${function} | sed -e 's/./ /g'` ${returntype} ${function})\n"
+ printf "{\n"
+ printf " gdbarch->${function} = ${function};\n"
+ printf "}\n"
+ elif class_is_info_p
+ then
+ printf "\n"
+ printf "${returntype}\n"
+ printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
+ printf "{\n"
+ printf " gdb_assert (gdbarch != NULL);\n"
+ printf " if (gdbarch_debug >= 2)\n"
+ printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
+ printf " return gdbarch->${function};\n"
+ printf "}\n"
+ fi
done
# All the trailing guff
cat <<EOF
-/* Keep a registrary of per-architecture data-pointers required by GDB
+/* Keep a registry of per-architecture data-pointers required by GDB
modules. */
struct gdbarch_data
{
- int index;
+ unsigned index;
+ int init_p;
+ gdbarch_data_init_ftype *init;
+ gdbarch_data_free_ftype *free;
};
struct gdbarch_data_registration
{
- gdbarch_data_ftype *init;
struct gdbarch_data *data;
struct gdbarch_data_registration *next;
};
-struct gdbarch_data_registrary
+struct gdbarch_data_registry
{
- int nr;
+ unsigned nr;
struct gdbarch_data_registration *registrations;
};
-struct gdbarch_data_registrary gdbarch_data_registrary =
+struct gdbarch_data_registry gdbarch_data_registry =
{
0, NULL,
};
struct gdbarch_data *
-register_gdbarch_data (gdbarch_data_ftype *init)
+register_gdbarch_data (gdbarch_data_init_ftype *init,
+ gdbarch_data_free_ftype *free)
{
struct gdbarch_data_registration **curr;
- for (curr = &gdbarch_data_registrary.registrations;
+ /* Append the new registraration. */
+ for (curr = &gdbarch_data_registry.registrations;
(*curr) != NULL;
curr = &(*curr)->next);
(*curr) = XMALLOC (struct gdbarch_data_registration);
(*curr)->next = NULL;
- (*curr)->init = init;
(*curr)->data = XMALLOC (struct gdbarch_data);
- (*curr)->data->index = gdbarch_data_registrary.nr++;
+ (*curr)->data->index = gdbarch_data_registry.nr++;
+ (*curr)->data->init = init;
+ (*curr)->data->init_p = 1;
+ (*curr)->data->free = free;
return (*curr)->data;
}
-/* Walk through all the registered users initializing each in turn. */
+/* Create/delete the gdbarch data vector. */
static void
-init_gdbarch_data (struct gdbarch *gdbarch)
+alloc_gdbarch_data (struct gdbarch *gdbarch)
+{
+ gdb_assert (gdbarch->data == NULL);
+ gdbarch->nr_data = gdbarch_data_registry.nr;
+ gdbarch->data = xcalloc (gdbarch->nr_data, sizeof (void*));
+}
+
+static void
+free_gdbarch_data (struct gdbarch *gdbarch)
{
struct gdbarch_data_registration *rego;
- gdbarch->nr_data = gdbarch_data_registrary.nr + 1;
- gdbarch->data = xmalloc (sizeof (void*) * gdbarch->nr_data);
- for (rego = gdbarch_data_registrary.registrations;
+ gdb_assert (gdbarch->data != NULL);
+ for (rego = gdbarch_data_registry.registrations;
rego != NULL;
rego = rego->next)
{
- if (rego->data->index < gdbarch->nr_data)
- gdbarch->data[rego->data->index] = rego->init ();
+ struct gdbarch_data *data = rego->data;
+ gdb_assert (data->index < gdbarch->nr_data);
+ if (data->free != NULL && gdbarch->data[data->index] != NULL)
+ {
+ data->free (gdbarch, gdbarch->data[data->index]);
+ gdbarch->data[data->index] = NULL;
+ }
}
+ xfree (gdbarch->data);
+ gdbarch->data = NULL;
}
+/* Initialize the current value of the specified per-architecture
+ data-pointer. */
+
+void
+set_gdbarch_data (struct gdbarch *gdbarch,
+ struct gdbarch_data *data,
+ void *pointer)
+{
+ gdb_assert (data->index < gdbarch->nr_data);
+ if (gdbarch->data[data->index] != NULL)
+ {
+ gdb_assert (data->free != NULL);
+ data->free (gdbarch, gdbarch->data[data->index]);
+ }
+ gdbarch->data[data->index] = pointer;
+}
+
/* Return the current value of the specified per-architecture
data-pointer. */
void *
-gdbarch_data (data)
- struct gdbarch_data *data;
+gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *data)
{
- if (data->index >= current_gdbarch->nr_data)
- internal_error ("gdbarch_data: request for non-existant data.");
- return current_gdbarch->data[data->index];
+ gdb_assert (data->index < gdbarch->nr_data);
+ /* The data-pointer isn't initialized, call init() to get a value but
+ only if the architecture initializaiton has completed. Otherwise
+ punt - hope that the caller knows what they are doing. */
+ if (gdbarch->data[data->index] == NULL
+ && gdbarch->initialized_p)
+ {
+ /* Be careful to detect an initialization cycle. */
+ gdb_assert (data->init_p);
+ data->init_p = 0;
+ gdb_assert (data->init != NULL);
+ gdbarch->data[data->index] = data->init (gdbarch);
+ data->init_p = 1;
+ gdb_assert (gdbarch->data[data->index] != NULL);
+ }
+ return gdbarch->data[data->index];
}
-/* Keep a registrary of swaped data required by GDB modules. */
+/* Keep a registry of swapped data required by GDB modules. */
struct gdbarch_swap
{
struct gdbarch_swap_registration *next;
};
-struct gdbarch_swap_registrary
+struct gdbarch_swap_registry
{
int nr;
struct gdbarch_swap_registration *registrations;
};
-struct gdbarch_swap_registrary gdbarch_swap_registrary =
+struct gdbarch_swap_registry gdbarch_swap_registry =
{
0, NULL,
};
gdbarch_swap_ftype *init)
{
struct gdbarch_swap_registration **rego;
- for (rego = &gdbarch_swap_registrary.registrations;
+ for (rego = &gdbarch_swap_registry.registrations;
(*rego) != NULL;
rego = &(*rego)->next);
(*rego) = XMALLOC (struct gdbarch_swap_registration);
(*rego)->sizeof_data = sizeof_data;
}
+static void
+clear_gdbarch_swap (struct gdbarch *gdbarch)
+{
+ struct gdbarch_swap *curr;
+ for (curr = gdbarch->swap;
+ curr != NULL;
+ curr = curr->next)
+ {
+ memset (curr->source->data, 0, curr->source->sizeof_data);
+ }
+}
static void
init_gdbarch_swap (struct gdbarch *gdbarch)
{
struct gdbarch_swap_registration *rego;
struct gdbarch_swap **curr = &gdbarch->swap;
- for (rego = gdbarch_swap_registrary.registrations;
+ for (rego = gdbarch_swap_registry.registrations;
rego != NULL;
rego = rego->next)
{
(*curr)->source = rego;
(*curr)->swap = xmalloc (rego->sizeof_data);
(*curr)->next = NULL;
- memset (rego->data, 0, rego->sizeof_data);
curr = &(*curr)->next;
}
if (rego->init != NULL)
}
-/* Keep a registrary of the architectures known by GDB. */
+/* Keep a registry of the architectures known by GDB. */
-struct gdbarch_init_registration
+struct gdbarch_registration
{
enum bfd_architecture bfd_architecture;
gdbarch_init_ftype *init;
+ gdbarch_dump_tdep_ftype *dump_tdep;
struct gdbarch_list *arches;
- struct gdbarch_init_registration *next;
+ struct gdbarch_registration *next;
};
-static struct gdbarch_init_registration *gdbarch_init_registrary = NULL;
+static struct gdbarch_registration *gdbarch_registry = NULL;
+
+static void
+append_name (const char ***buf, int *nr, const char *name)
+{
+ *buf = xrealloc (*buf, sizeof (char**) * (*nr + 1));
+ (*buf)[*nr] = name;
+ *nr += 1;
+}
+
+const char **
+gdbarch_printable_names (void)
+{
+ if (GDB_MULTI_ARCH)
+ {
+ /* Accumulate a list of names based on the registed list of
+ architectures. */
+ enum bfd_architecture a;
+ int nr_arches = 0;
+ const char **arches = NULL;
+ struct gdbarch_registration *rego;
+ for (rego = gdbarch_registry;
+ rego != NULL;
+ rego = rego->next)
+ {
+ const struct bfd_arch_info *ap;
+ ap = bfd_lookup_arch (rego->bfd_architecture, 0);
+ if (ap == NULL)
+ internal_error (__FILE__, __LINE__,
+ "gdbarch_architecture_names: multi-arch unknown");
+ do
+ {
+ append_name (&arches, &nr_arches, ap->printable_name);
+ ap = ap->next;
+ }
+ while (ap != NULL);
+ }
+ append_name (&arches, &nr_arches, NULL);
+ return arches;
+ }
+ else
+ /* Just return all the architectures that BFD knows. Assume that
+ the legacy architecture framework supports them. */
+ return bfd_arch_list ();
+}
+
void
-register_gdbarch_init (enum bfd_architecture bfd_architecture,
- gdbarch_init_ftype *init)
+gdbarch_register (enum bfd_architecture bfd_architecture,
+ gdbarch_init_ftype *init,
+ gdbarch_dump_tdep_ftype *dump_tdep)
{
- struct gdbarch_init_registration **curr;
+ struct gdbarch_registration **curr;
const struct bfd_arch_info *bfd_arch_info;
- /* Check that BFD reconizes this architecture */
+ /* Check that BFD recognizes this architecture */
bfd_arch_info = bfd_lookup_arch (bfd_architecture, 0);
if (bfd_arch_info == NULL)
{
- internal_error ("gdbarch: Attempt to register unknown architecture (%d)", bfd_architecture);
+ internal_error (__FILE__, __LINE__,
+ "gdbarch: Attempt to register unknown architecture (%d)",
+ bfd_architecture);
}
/* Check that we haven't seen this architecture before */
- for (curr = &gdbarch_init_registrary;
+ for (curr = &gdbarch_registry;
(*curr) != NULL;
curr = &(*curr)->next)
{
if (bfd_architecture == (*curr)->bfd_architecture)
- internal_error ("gdbarch: Duplicate registraration of architecture (%s)",
- bfd_arch_info->printable_name);
+ internal_error (__FILE__, __LINE__,
+ "gdbarch: Duplicate registraration of architecture (%s)",
+ bfd_arch_info->printable_name);
}
/* log it */
if (gdbarch_debug)
bfd_arch_info->printable_name,
(long) init);
/* Append it */
- (*curr) = XMALLOC (struct gdbarch_init_registration);
+ (*curr) = XMALLOC (struct gdbarch_registration);
(*curr)->bfd_architecture = bfd_architecture;
(*curr)->init = init;
+ (*curr)->dump_tdep = dump_tdep;
(*curr)->arches = NULL;
(*curr)->next = NULL;
+ /* When non- multi-arch, install whatever target dump routine we've
+ been provided - hopefully that routine has been written correctly
+ and works regardless of multi-arch. */
+ if (!GDB_MULTI_ARCH && dump_tdep != NULL
+ && startup_gdbarch.dump_tdep == NULL)
+ startup_gdbarch.dump_tdep = dump_tdep;
+}
+
+void
+register_gdbarch_init (enum bfd_architecture bfd_architecture,
+ gdbarch_init_ftype *init)
+{
+ gdbarch_register (bfd_architecture, init, NULL);
}
-
/* Look for an architecture using gdbarch_info. Base search on only
continue;
if (info->byte_order != arches->gdbarch->byte_order)
continue;
+ if (info->osabi != arches->gdbarch->osabi)
+ continue;
return arches;
}
return NULL;
failed. */
int
-gdbarch_update (struct gdbarch_info info)
+gdbarch_update_p (struct gdbarch_info info)
{
struct gdbarch *new_gdbarch;
- struct gdbarch_list **list;
- struct gdbarch_init_registration *rego;
-
- /* Fill in any missing bits. Most important is the bfd_architecture
- which is used to select the target architecture. */
- if (info.bfd_architecture == bfd_arch_unknown)
- {
- if (info.bfd_arch_info != NULL)
- info.bfd_architecture = info.bfd_arch_info->arch;
- else if (info.abfd != NULL)
- info.bfd_architecture = bfd_get_arch (info.abfd);
- /* FIXME - should query BFD for its default architecture. */
- else
- info.bfd_architecture = current_gdbarch->bfd_arch_info->arch;
- }
+ struct gdbarch *old_gdbarch;
+ struct gdbarch_registration *rego;
+
+ /* Fill in missing parts of the INFO struct using a number of
+ sources: \`\`set ...''; INFOabfd supplied; existing target. */
+
+ /* \`\`(gdb) set architecture ...'' */
+ if (info.bfd_arch_info == NULL
+ && !TARGET_ARCHITECTURE_AUTO)
+ info.bfd_arch_info = TARGET_ARCHITECTURE;
+ if (info.bfd_arch_info == NULL
+ && info.abfd != NULL
+ && bfd_get_arch (info.abfd) != bfd_arch_unknown
+ && bfd_get_arch (info.abfd) != bfd_arch_obscure)
+ info.bfd_arch_info = bfd_get_arch_info (info.abfd);
if (info.bfd_arch_info == NULL)
- {
- if (target_architecture_auto && info.abfd != NULL)
- info.bfd_arch_info = bfd_get_arch_info (info.abfd);
- else
- info.bfd_arch_info = current_gdbarch->bfd_arch_info;
- }
- if (info.byte_order == 0)
- {
- if (target_byte_order_auto && info.abfd != NULL)
- info.byte_order = (bfd_big_endian (info.abfd) ? BIG_ENDIAN
- : bfd_little_endian (info.abfd) ? LITTLE_ENDIAN
- : 0);
- else
- info.byte_order = current_gdbarch->byte_order;
- /* FIXME - should query BFD for its default byte-order. */
- }
- /* A default for abfd? */
-
- /* Find the target that knows about this architecture. */
- for (rego = gdbarch_init_registrary;
- rego != NULL && rego->bfd_architecture != info.bfd_architecture;
- rego = rego->next);
- if (rego == NULL)
- {
- if (gdbarch_debug)
- fprintf_unfiltered (gdb_stdlog, "gdbarch_update: No matching architecture\n");
- return 0;
- }
+ info.bfd_arch_info = TARGET_ARCHITECTURE;
+
+ /* \`\`(gdb) set byte-order ...'' */
+ 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 == BFD_ENDIAN_UNKNOWN
+ && info.abfd != NULL)
+ 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 == BFD_ENDIAN_UNKNOWN)
+ info.byte_order = TARGET_BYTE_ORDER;
+
+ /* \`\`(gdb) set osabi ...'' is handled by gdbarch_lookup_osabi. */
+ if (info.osabi == GDB_OSABI_UNINITIALIZED)
+ info.osabi = gdbarch_lookup_osabi (info.abfd);
+ if (info.osabi == GDB_OSABI_UNINITIALIZED)
+ info.osabi = current_gdbarch->osabi;
+
+ /* Must have found some sort of architecture. */
+ gdb_assert (info.bfd_arch_info != NULL);
if (gdbarch_debug)
{
- fprintf_unfiltered (gdb_stdlog,
- "gdbarch_update: info.bfd_architecture %d (%s)\n",
- info.bfd_architecture,
- bfd_lookup_arch (info.bfd_architecture, 0)->printable_name);
fprintf_unfiltered (gdb_stdlog,
"gdbarch_update: info.bfd_arch_info %s\n",
(info.bfd_arch_info != NULL
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.osabi %d (%s)\n",
+ info.osabi, gdbarch_osabi_name (info.osabi));
fprintf_unfiltered (gdb_stdlog,
"gdbarch_update: info.abfd 0x%lx\n",
(long) info.abfd);
(long) info.tdep_info);
}
+ /* Find the target that knows about this architecture. */
+ for (rego = gdbarch_registry;
+ rego != NULL;
+ rego = rego->next)
+ if (rego->bfd_architecture == info.bfd_arch_info->arch)
+ break;
+ if (rego == NULL)
+ {
+ if (gdbarch_debug)
+ fprintf_unfiltered (gdb_stdlog, "gdbarch_update: No matching architecture\\n");
+ return 0;
+ }
+
+ /* Swap the data belonging to the old target out setting the
+ installed data to zero. This stops the ->init() function trying
+ to refer to the previous architecture's global data structures. */
+ swapout_gdbarch_swap (current_gdbarch);
+ clear_gdbarch_swap (current_gdbarch);
+
+ /* Save the previously selected architecture, setting the global to
+ NULL. This stops ->init() trying to use the previous
+ architecture's configuration. The previous architecture may not
+ even be of the same architecture family. The most recent
+ architecture of the same family is found at the head of the
+ rego->arches list. */
+ old_gdbarch = current_gdbarch;
+ current_gdbarch = NULL;
+
/* Ask the target for a replacement architecture. */
new_gdbarch = rego->init (info, rego->arches);
- /* Did the target like it? No. Reject the change. */
+ /* Did the target like it? No. Reject the change and revert to the
+ old architecture. */
if (new_gdbarch == NULL)
{
if (gdbarch_debug)
- fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Target rejected architecture\n");
+ fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Target rejected architecture\\n");
+ swapin_gdbarch_swap (old_gdbarch);
+ current_gdbarch = old_gdbarch;
return 0;
}
- /* Did the architecture change? No. Do nothing. */
- if (current_gdbarch == new_gdbarch)
+ /* Did the architecture change? No. Oops, put the old architecture
+ back. */
+ if (old_gdbarch == new_gdbarch)
{
if (gdbarch_debug)
- fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Architecture 0x%08lx (%s) unchanged\n",
+ fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Architecture 0x%08lx (%s) unchanged\\n",
(long) new_gdbarch,
new_gdbarch->bfd_arch_info->printable_name);
+ swapin_gdbarch_swap (old_gdbarch);
+ current_gdbarch = old_gdbarch;
return 1;
}
- /* Swap all data belonging to the old target out */
- swapout_gdbarch_swap (current_gdbarch);
-
- /* Is this a pre-existing architecture? Yes. Swap it in. */
- for (list = ®o->arches;
- (*list) != NULL;
- list = &(*list)->next)
- {
- if ((*list)->gdbarch == new_gdbarch)
- {
- if (gdbarch_debug)
- fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Previous architecture 0x%08lx (%s) selected\n",
- (long) new_gdbarch,
- new_gdbarch->bfd_arch_info->printable_name);
- current_gdbarch = new_gdbarch;
- swapin_gdbarch_swap (new_gdbarch);
- return 1;
- }
- }
-
- /* Append this new architecture to this targets list. */
- (*list) = XMALLOC (struct gdbarch_list);
- (*list)->next = NULL;
- (*list)->gdbarch = new_gdbarch;
-
- /* Switch to this new architecture. Dump it out. */
+ /* Is this a pre-existing architecture? Yes. Move it to the front
+ of the list of architectures (keeping the list sorted Most
+ Recently Used) and then copy it in. */
+ {
+ struct gdbarch_list **list;
+ for (list = ®o->arches;
+ (*list) != NULL;
+ list = &(*list)->next)
+ {
+ if ((*list)->gdbarch == new_gdbarch)
+ {
+ struct gdbarch_list *this;
+ if (gdbarch_debug)
+ fprintf_unfiltered (gdb_stdlog,
+ "gdbarch_update: Previous architecture 0x%08lx (%s) selected\n",
+ (long) new_gdbarch,
+ new_gdbarch->bfd_arch_info->printable_name);
+ /* Unlink this. */
+ this = (*list);
+ (*list) = this->next;
+ /* Insert in the front. */
+ this->next = rego->arches;
+ rego->arches = this;
+ /* Copy the new architecture in. */
+ current_gdbarch = new_gdbarch;
+ swapin_gdbarch_swap (new_gdbarch);
+ architecture_changed_event ();
+ return 1;
+ }
+ }
+ }
+
+ /* Prepend this new architecture to the architecture list (keep the
+ list sorted Most Recently Used). */
+ {
+ struct gdbarch_list *this = XMALLOC (struct gdbarch_list);
+ this->next = rego->arches;
+ this->gdbarch = new_gdbarch;
+ rego->arches = this;
+ }
+
+ /* Switch to this new architecture marking it initialized. */
current_gdbarch = new_gdbarch;
+ current_gdbarch->initialized_p = 1;
if (gdbarch_debug)
{
fprintf_unfiltered (gdb_stdlog,
- "gdbarch_update: New architecture 0x%08lx (%s) selected\n",
+ "gdbarch_update: New architecture 0x%08lx (%s) selected\\n",
(long) new_gdbarch,
new_gdbarch->bfd_arch_info->printable_name);
- gdbarch_dump ();
}
- /* Check that the newly installed architecture is valid. */
+ /* Check that the newly installed architecture is valid. Plug in
+ any post init values. */
+ new_gdbarch->dump_tdep = rego->dump_tdep;
verify_gdbarch (new_gdbarch);
/* Initialize the per-architecture memory (swap) areas.
called. */
init_gdbarch_swap (new_gdbarch);
- /* Initialize the per-architecture data-pointer of all parties that
- registered an interest in this architecture. CURRENT_GDBARCH
+ /* Initialize the per-architecture data. CURRENT_GDBARCH
must be updated before these modules are called. */
- init_gdbarch_data (new_gdbarch);
-
- return 1;
-}
-
-
-
-/* Functions to manipulate the endianness of the target. */
-
-#ifdef TARGET_BYTE_ORDER_SELECTABLE
-/* compat - Catch old targets that expect a selectable byte-order to
- default to BIG_ENDIAN */
-#ifndef TARGET_BYTE_ORDER_DEFAULT
-#define TARGET_BYTE_ORDER_DEFAULT BIG_ENDIAN
-#endif
-#endif
-#if !TARGET_BYTE_ORDER_SELECTABLE_P
-#ifndef TARGET_BYTE_ORDER_DEFAULT
-/* compat - Catch old non byte-order selectable targets that do not
- define TARGET_BYTE_ORDER_DEFAULT and instead expect
- TARGET_BYTE_ORDER to be used as the default. For targets that
- defined neither TARGET_BYTE_ORDER nor TARGET_BYTE_ORDER_DEFAULT the
- below will get a strange compiler warning. */
-#define TARGET_BYTE_ORDER_DEFAULT TARGET_BYTE_ORDER
-#endif
-#endif
-#ifndef TARGET_BYTE_ORDER_DEFAULT
-#define TARGET_BYTE_ORDER_DEFAULT BIG_ENDIAN /* arbitrary */
-#endif
-int target_byte_order = TARGET_BYTE_ORDER_DEFAULT;
-int target_byte_order_auto = 1;
-
-/* Chain containing the \"set endian\" commands. */
-static struct cmd_list_element *endianlist = NULL;
+ architecture_changed_event ();
-/* Called by \`\`show endian''. */
-static void
-show_endian (char *args, int from_tty)
-{
- char *msg =
- (TARGET_BYTE_ORDER_AUTO
- ? "The target endianness is set automatically (currently %s endian)\n"
- : "The target is assumed to be %s endian\n");
- printf_unfiltered (msg, (TARGET_BYTE_ORDER == BIG_ENDIAN ? "big" : "little"));
-}
-
-/* Called if the user enters \`\`set endian'' without an argument. */
-static void
-set_endian (char *args, int from_tty)
-{
- printf_unfiltered ("\"set endian\" must be followed by \"auto\", \"big\" or \"little\".\n");
- show_endian (args, from_tty);
-}
-
-/* Called by \`\`set endian big''. */
-static void
-set_endian_big (char *args, int from_tty)
-{
- if (TARGET_BYTE_ORDER_SELECTABLE_P)
- {
- target_byte_order = BIG_ENDIAN;
- target_byte_order_auto = 0;
- if (GDB_MULTI_ARCH)
- {
- struct gdbarch_info info;
- memset (&info, 0, sizeof info);
- info.byte_order = BIG_ENDIAN;
- gdbarch_update (info);
- }
- }
- else
- {
- printf_unfiltered ("Byte order is not selectable.");
- show_endian (args, from_tty);
- }
-}
-
-/* Called by \`\`set endian little''. */
-static void
-set_endian_little (char *args, int from_tty)
-{
- if (TARGET_BYTE_ORDER_SELECTABLE_P)
- {
- target_byte_order = LITTLE_ENDIAN;
- target_byte_order_auto = 0;
- if (GDB_MULTI_ARCH)
- {
- struct gdbarch_info info;
- memset (&info, 0, sizeof info);
- info.byte_order = LITTLE_ENDIAN;
- gdbarch_update (info);
- }
- }
- else
- {
- printf_unfiltered ("Byte order is not selectable.");
- show_endian (args, from_tty);
- }
-}
-
-/* Called by \`\`set endian auto''. */
-static void
-set_endian_auto (char *args, int from_tty)
-{
- if (TARGET_BYTE_ORDER_SELECTABLE_P)
- {
- target_byte_order_auto = 1;
- }
- else
- {
- printf_unfiltered ("Byte order is not selectable.");
- show_endian (args, from_tty);
- }
-}
-
-/* Set the endianness from a BFD. */
-static void
-set_endian_from_file (bfd *abfd)
-{
- if (TARGET_BYTE_ORDER_SELECTABLE_P)
- {
- int want;
-
- if (bfd_big_endian (abfd))
- want = BIG_ENDIAN;
- else
- want = LITTLE_ENDIAN;
- if (TARGET_BYTE_ORDER_AUTO)
- target_byte_order = want;
- else if (TARGET_BYTE_ORDER != want)
- warning ("%s endian file does not match %s endian target.",
- want == BIG_ENDIAN ? "big" : "little",
- TARGET_BYTE_ORDER == BIG_ENDIAN ? "big" : "little");
- }
- else
- {
- if (bfd_big_endian (abfd)
- ? TARGET_BYTE_ORDER != BIG_ENDIAN
- : TARGET_BYTE_ORDER == BIG_ENDIAN)
- warning ("%s endian file does not match %s endian target.",
- bfd_big_endian (abfd) ? "big" : "little",
- TARGET_BYTE_ORDER == BIG_ENDIAN ? "big" : "little");
- }
-}
-
-
-
-/* Functions to manipulate the architecture of the target */
-
-enum set_arch { set_arch_auto, set_arch_manual };
-
-int target_architecture_auto = 1;
-extern const struct bfd_arch_info bfd_default_arch_struct;
-const struct bfd_arch_info *target_architecture = &bfd_default_arch_struct;
-int (*target_architecture_hook) (const struct bfd_arch_info *ap);
-
-static void show_endian (char *, int);
-static void set_endian (char *, int);
-static void set_endian_big (char *, int);
-static void set_endian_little (char *, int);
-static void set_endian_auto (char *, int);
-static void set_endian_from_file (bfd *);
-static int arch_ok (const struct bfd_arch_info *arch);
-static void set_arch (const struct bfd_arch_info *arch, enum set_arch type);
-static void show_architecture (char *, int);
-static void set_architecture (char *, int);
-static void info_architecture (char *, int);
-static void set_architecture_from_file (bfd *);
-
-/* Do the real work of changing the current architecture */
-
-static int
-arch_ok (const struct bfd_arch_info *arch)
-{
- /* Should be performing the more basic check that the binary is
- compatible with GDB. */
- /* Check with the target that the architecture is valid. */
- return (target_architecture_hook == NULL
- || target_architecture_hook (arch));
-}
-
-static void
-set_arch (const struct bfd_arch_info *arch,
- enum set_arch type)
-{
- switch (type)
- {
- case set_arch_auto:
- if (!arch_ok (arch))
- warning ("Target may not support %s architecture",
- arch->printable_name);
- target_architecture = arch;
- break;
- case set_arch_manual:
- if (!arch_ok (arch))
- {
- printf_unfiltered ("Target does not support \`%s' architecture.\n",
- arch->printable_name);
- }
- else
- {
- target_architecture_auto = 0;
- target_architecture = arch;
- }
- break;
- }
if (gdbarch_debug)
- gdbarch_dump ();
-}
+ gdbarch_dump (current_gdbarch, gdb_stdlog);
-/* Called if the user enters \`\`show architecture'' without an argument. */
-static void
-show_architecture (char *args, int from_tty)
-{
- const char *arch;
- arch = TARGET_ARCHITECTURE->printable_name;
- if (target_architecture_auto)
- printf_filtered ("The target architecture is set automatically (currently %s)\n", arch);
- else
- printf_filtered ("The target architecture is assumed to be %s\n", arch);
-}
-
-/* Called if the user enters \`\`set architecture'' with or without an
- argument. */
-static void
-set_architecture (char *args, int from_tty)
-{
- if (args == NULL)
- {
- printf_unfiltered ("\"set architecture\" must be followed by \"auto\" or an architecture name.\n");
- }
- else if (strcmp (args, "auto") == 0)
- {
- target_architecture_auto = 1;
- }
- else if (GDB_MULTI_ARCH)
- {
- const struct bfd_arch_info *arch = bfd_scan_arch (args);
- if (arch == NULL)
- printf_unfiltered ("Architecture \`%s' not reconized.\n", args);
- else
- {
- struct gdbarch_info info;
- memset (&info, 0, sizeof info);
- info.bfd_arch_info = arch;
- if (gdbarch_update (info))
- target_architecture_auto = 0;
- else
- printf_unfiltered ("Architecture \`%s' not reconized.\n", args);
- }
- }
- else
- {
- const struct bfd_arch_info *arch = bfd_scan_arch (args);
- if (arch != NULL)
- set_arch (arch, set_arch_manual);
- else
- printf_unfiltered ("Architecture \`%s' not reconized.\n", args);
- }
-}
-
-/* Called if the user enters \`\`info architecture'' without an argument. */
-static void
-info_architecture (char *args, int from_tty)
-{
- enum bfd_architecture a;
- if (GDB_MULTI_ARCH)
- {
- if (gdbarch_init_registrary != NULL)
- {
- struct gdbarch_init_registration *rego;
- printf_filtered ("Available architectures are:\n");
- for (rego = gdbarch_init_registrary;
- rego != NULL;
- rego = rego->next)
- {
- const struct bfd_arch_info *ap;
- ap = bfd_lookup_arch (rego->bfd_architecture, 0);
- if (ap != NULL)
- {
- do
- {
- printf_filtered (" %s", ap->printable_name);
- ap = ap->next;
- }
- while (ap != NULL);
- printf_filtered ("\n");
- }
- }
- }
- else
- {
- printf_filtered ("There are no available architectures.\n");
- }
- return;
- }
- printf_filtered ("Available architectures are:\n");
- for (a = bfd_arch_obscure + 1; a < bfd_arch_last; a++)
- {
- const struct bfd_arch_info *ap = bfd_lookup_arch (a, 0);
- if (ap != NULL)
- {
- do
- {
- printf_filtered (" %s", ap->printable_name);
- ap = ap->next;
- }
- while (ap != NULL);
- printf_filtered ("\n");
- }
- }
-}
-
-/* Set the architecture from arch/machine */
-void
-set_architecture_from_arch_mach (arch, mach)
- enum bfd_architecture arch;
- unsigned long mach;
-{
- const struct bfd_arch_info *wanted = bfd_lookup_arch (arch, mach);
- if (wanted != NULL)
- set_arch (wanted, set_arch_manual);
- else
- internal_error ("gdbarch: hardwired architecture/machine not reconized");
-}
-
-/* Set the architecture from a BFD */
-static void
-set_architecture_from_file (bfd *abfd)
-{
- const struct bfd_arch_info *wanted = bfd_get_arch_info (abfd);
- if (target_architecture_auto)
- {
- set_arch (wanted, set_arch_auto);
- }
- else if (wanted != target_architecture)
- {
- warning ("%s architecture file may be incompatible with %s target.",
- wanted->printable_name,
- target_architecture->printable_name);
- }
-}
-
-
-/* Misc helper functions for targets. */
-
-int
-frame_num_args_unknown (fi)
- struct frame_info *fi;
-{
- return -1;
+ return 1;
}
-int
-generic_register_convertible_not (num)
- int num;
-{
- return 0;
-}
-
-
/* Disassembler */
/* Pointer to the target-dependent disassembly function. */
disassemble_info tm_print_insn_info;
-
-/* Set the dynamic target-system-dependant parameters (architecture,
- byte-order) using information found in the BFD */
-
-void
-set_gdbarch_from_file (abfd)
- bfd *abfd;
-{
- if (GDB_MULTI_ARCH)
- {
- struct gdbarch_info info;
- memset (&info, 0, sizeof info);
- info.abfd = abfd;
- gdbarch_update (info);
- return;
- }
- set_architecture_from_file (abfd);
- set_endian_from_file (abfd);
-}
-
-
-#if defined (CALL_DUMMY)
-/* FIXME - this should go away */
-LONGEST call_dummy_words[] = CALL_DUMMY;
-int sizeof_call_dummy_words = sizeof (call_dummy_words);
-#endif
-
-
-/* Initialize the current architecture. */
-void
-initialize_current_architecture ()
-{
- if (GDB_MULTI_ARCH)
- {
- struct gdbarch_init_registration *rego;
- const struct bfd_arch_info *chosen = NULL;
- for (rego = gdbarch_init_registrary; rego != NULL; rego = rego->next)
- {
- const struct bfd_arch_info *ap
- = bfd_lookup_arch (rego->bfd_architecture, 0);
-
- /* Choose the first architecture alphabetically. */
- if (chosen == NULL
- || strcmp (ap->printable_name, chosen->printable_name) < 0)
- chosen = ap;
- }
-
- if (chosen != NULL)
- {
- struct gdbarch_info info;
- memset (&info, 0, sizeof info);
- info.bfd_arch_info = chosen;
- gdbarch_update (info);
- }
- }
-}
-
extern void _initialize_gdbarch (void);
+
void
-_initialize_gdbarch ()
+_initialize_gdbarch (void)
{
struct cmd_list_element *c;
- add_prefix_cmd ("endian", class_support, set_endian,
- "Set endianness of target.",
- &endianlist, "set endian ", 0, &setlist);
- add_cmd ("big", class_support, set_endian_big,
- "Set target as being big endian.", &endianlist);
- add_cmd ("little", class_support, set_endian_little,
- "Set target as being little endian.", &endianlist);
- add_cmd ("auto", class_support, set_endian_auto,
- "Select target endianness automatically.", &endianlist);
- add_cmd ("endian", class_support, show_endian,
- "Show endianness of target.", &showlist);
-
- add_cmd ("architecture", class_support, set_architecture,
- "Set architecture of target.", &setlist);
- add_alias_cmd ("processor", "architecture", class_support, 1, &setlist);
- add_cmd ("architecture", class_support, show_architecture,
- "Show architecture of target.", &showlist);
- add_cmd ("architecture", class_support, info_architecture,
- "List supported target architectures", &infolist);
-
INIT_DISASSEMBLE_INFO_NO_ARCH (tm_print_insn_info, gdb_stdout, (fprintf_ftype)fprintf_filtered);
tm_print_insn_info.flavour = bfd_target_unknown_flavour;
tm_print_insn_info.read_memory_func = dis_asm_read_memory;
class_maintenance,
var_zinteger,
(char *)&gdbarch_debug,
- "Set architecture debugging.\n\\
+ "Set architecture debugging.\\n\\
When non-zero, architecture debugging is enabled.", &setdebuglist),
&showdebuglist);
c = add_set_cmd ("archdebug",
class_maintenance,
var_zinteger,
(char *)&gdbarch_debug,
- "Set architecture debugging.\n\\
+ "Set architecture debugging.\\n\\
When non-zero, architecture debugging is enabled.", &setlist);
deprecate_cmd (c, "set debug arch");
projects / binutils.git / blobdiff