fi
done
- test "${staticdefault}" || staticdefault=0
+ case "${class}" in
+ m ) staticdefault="${predefault}" ;;
+ M ) staticdefault="0" ;;
+ * ) test "${staticdefault}" || staticdefault=0 ;;
+ esac
# NOT YET: Breaks BELIEVE_PCC_PROMOTION and confuses non-
# multi-arch defaults.
# test "${predefault}" || predefault=0
+
+ # come up with a format, use a few guesses for variables
+ case ":${class}:${fmt}:${print}:" in
+ :[vV]::: )
+ if [ "${returntype}" = int ]
+ then
+ fmt="%d"
+ print="${macro}"
+ elif [ "${returntype}" = long ]
+ then
+ fmt="%ld"
+ print="${macro}"
+ fi
+ ;;
+ esac
test "${fmt}" || fmt="%ld"
test "${print}" || print="(long) ${macro}"
+
case "${invalid_p}" in
0 ) valid_p=1 ;;
"" )
- if [ "${predefault}" ]
+ if [ -n "${predefault}" ]
then
#invalid_p="gdbarch->${function} == ${predefault}"
valid_p="gdbarch->${function} != ${predefault}"
# always a valid definition of MEMBER as this again
# ensures consistency.
- if [ "${postdefault}" != "" ]
+ if [ -n "${postdefault}" ]
then
fallbackdefault="${postdefault}"
- elif [ "${predefault}" != "" ]
+ elif [ -n "${predefault}" ]
then
fallbackdefault="${predefault}"
else
- fallbackdefault=""
+ fallbackdefault="0"
fi
#NOT YET: See gdbarch.log for basic verification of
break
fi
done
- if [ "${class}" ]
+ if [ -n "${class}" ]
then
true
else
fallback_default_p ()
{
- [ "${postdefault}" != "" -a "${invalid_p}" != "0" ] \
- || [ "${predefault}" != "" -a "${invalid_p}" = "0" ]
+ [ -n "${postdefault}" -a "x${invalid_p}" != "x0" ] \
+ || [ -n "${predefault}" -a "x${invalid_p}" = "x0" ]
}
class_is_variable_p ()
predefault ) : ;;
- # A initial value to assign to MEMBER of the freshly
- # malloc()ed gdbarch object. After the gdbarch object has
- # been initialized using PREDEFAULT, it is passed to the
- # target code for further updates.
+ # 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.
- # When POSTDEFAULT is empty, a non-empty PREDEFAULT and a zero
- # INVALID_P will be used as default values when when
- # multi-arch is disabled. Specify a zero PREDEFAULT function
- # to make that fallback call internal_error().
+ # 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 code fail to change the PREDEFAULT value. Also
- # use POSTDEFAULT as the fallback value for the non-
- # multi-arch case.
+ # the target architecture code fail to change the PREDEFAULT
+ # value.
# If POSTDEFAULT is empty, no post update is performed.
# INVALID_P will be used to determine if MEMBER should be
# changed to POSTDEFAULT.
+ # 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).
+
# You cannot specify both a zero INVALID_P and a POSTDEFAULT.
# Variable declarations can refer to ``gdbarch'' which will
cat <<EOF
i:2:TARGET_ARCHITECTURE:const struct bfd_arch_info *:bfd_arch_info::::&bfd_default_arch_struct::::%s:TARGET_ARCHITECTURE->printable_name:TARGET_ARCHITECTURE != NULL
#
-i:2:TARGET_BYTE_ORDER:int:byte_order::::BIG_ENDIAN
+i:2:TARGET_BYTE_ORDER:int:byte_order::::BFD_ENDIAN_BIG
# Number of bits in a char or unsigned char for the target machine.
# Just like CHAR_BIT in <limits.h> but describes the target machine.
# v::TARGET_CHAR_BIT:int:char_bit::::8 * sizeof (char):8::0:
# 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
#
+# One if \`char' acts like \`signed char', zero if \`unsigned char'.
+v::TARGET_CHAR_SIGNED:int:char_signed::::1:-1:1::::
+#
v::IEEE_FLOAT:int:ieee_float::::0:0::0:::
#
f::TARGET_READ_PC:CORE_ADDR:read_pc:ptid_t ptid:ptid::0:generic_target_read_pc::0
f::TARGET_WRITE_FP:void:write_fp:CORE_ADDR val:val::0:generic_target_write_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:register_read:int regnum, char *buf:regnum, buf:
M:::void:register_write:int regnum, char *buf:regnum, buf:
v:2:REGISTER_SIZE:int:register_size::::0:-1
v:2:REGISTER_BYTES:int:register_bytes::::0:-1
f:2:REGISTER_BYTE:int:register_byte:int reg_nr:reg_nr::0:0
-f:2:REGISTER_RAW_SIZE:int:register_raw_size:int reg_nr:reg_nr::0:0
+f:2:REGISTER_RAW_SIZE:int:register_raw_size:int reg_nr:reg_nr::generic_register_raw_size:0
v:2:MAX_REGISTER_RAW_SIZE:int:max_register_raw_size::::0:-1
-f:2:REGISTER_VIRTUAL_SIZE:int:register_virtual_size:int reg_nr:reg_nr::0:0
+f:2:REGISTER_VIRTUAL_SIZE:int:register_virtual_size:int reg_nr:reg_nr::generic_register_virtual_size:0
v:2:MAX_REGISTER_VIRTUAL_SIZE:int:max_register_virtual_size::::0:-1
f:2:REGISTER_VIRTUAL_TYPE:struct type *:register_virtual_type:int reg_nr:reg_nr::0:0
f:2:DO_REGISTERS_INFO:void:do_registers_info:int reg_nr, int fpregs:reg_nr, fpregs:::do_registers_info::0
# also include/...-sim.h.
f:2:REGISTER_SIM_REGNO:int:register_sim_regno:int reg_nr:reg_nr:::default_register_sim_regno::0
F:2:REGISTER_BYTES_OK:int:register_bytes_ok:long nr_bytes:nr_bytes::0:0
+f:2:CANNOT_FETCH_REGISTER:int:cannot_fetch_register:int regnum:regnum:::cannot_register_not::0
+f:2:CANNOT_STORE_REGISTER:int:cannot_store_register:int regnum:regnum:::cannot_register_not::0
#
v:1:USE_GENERIC_DUMMY_FRAMES:int:use_generic_dummy_frames::::0:-1
-v:2:CALL_DUMMY_LOCATION:int:call_dummy_location::::0:0
+v:1:CALL_DUMMY_LOCATION:int:call_dummy_location::::0:0
f:2:CALL_DUMMY_ADDRESS:CORE_ADDR:call_dummy_address:void:::0:0::gdbarch->call_dummy_location == AT_ENTRY_POINT && gdbarch->call_dummy_address == 0
v:2:CALL_DUMMY_START_OFFSET:CORE_ADDR:call_dummy_start_offset::::0:-1:::0x%08lx
-v:2:CALL_DUMMY_BREAKPOINT_OFFSET:CORE_ADDR:call_dummy_breakpoint_offset::::0:-1:::0x%08lx::CALL_DUMMY_BREAKPOINT_OFFSET_P
+v:2:CALL_DUMMY_BREAKPOINT_OFFSET:CORE_ADDR:call_dummy_breakpoint_offset::::0:-1::gdbarch->call_dummy_breakpoint_offset_p && gdbarch->call_dummy_breakpoint_offset == -1:0x%08lx::CALL_DUMMY_BREAKPOINT_OFFSET_P
v:1:CALL_DUMMY_BREAKPOINT_OFFSET_P:int:call_dummy_breakpoint_offset_p::::0:-1
v:2:CALL_DUMMY_LENGTH:int:call_dummy_length::::0:-1:::::CALL_DUMMY_LOCATION == BEFORE_TEXT_END || CALL_DUMMY_LOCATION == AFTER_TEXT_END
-f:2:PC_IN_CALL_DUMMY:int:pc_in_call_dummy:CORE_ADDR pc, CORE_ADDR sp, CORE_ADDR frame_address:pc, sp, frame_address::0:0
+f:1:PC_IN_CALL_DUMMY:int:pc_in_call_dummy:CORE_ADDR pc, CORE_ADDR sp, CORE_ADDR frame_address:pc, sp, frame_address::0:0
v:1:CALL_DUMMY_P:int:call_dummy_p::::0:-1
v:2:CALL_DUMMY_WORDS:LONGEST *:call_dummy_words::::0:legacy_call_dummy_words::0:0x%08lx
v:2:SIZEOF_CALL_DUMMY_WORDS:int:sizeof_call_dummy_words::::0:legacy_sizeof_call_dummy_words::0:0x%08lx
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:INIT_FRAME_PC_FIRST:void:init_frame_pc_first:int fromleaf, struct frame_info *prev:fromleaf, prev:::init_frame_pc_noop::0
+f:2:INIT_FRAME_PC:void:init_frame_pc:int fromleaf, struct frame_info *prev:fromleaf, prev:::init_frame_pc_default::0
#
v:2:BELIEVE_PCC_PROMOTION:int:believe_pcc_promotion:::::::
v:2:BELIEVE_PCC_PROMOTION_TYPE:int:believe_pcc_promotion_type:::::::
# This function is called when the value of a pseudo-register needs to
# be updated. Typically it will be defined on a per-architecture
# basis.
-f:2:FETCH_PSEUDO_REGISTER:void:fetch_pseudo_register:int regnum:regnum:::0::0
+F:2:FETCH_PSEUDO_REGISTER:void:fetch_pseudo_register:int regnum:regnum:
# This function is called when the value of a pseudo-register needs to
# be set or stored. Typically it will be defined on a
# per-architecture basis.
-f:2:STORE_PSEUDO_REGISTER:void:store_pseudo_register:int regnum:regnum:::0::0
+F:2:STORE_PSEUDO_REGISTER:void:store_pseudo_register:int regnum:regnum:
#
f:2:POINTER_TO_ADDRESS:CORE_ADDR:pointer_to_address:struct type *type, void *buf:type, buf:::unsigned_pointer_to_address::0
f:2:ADDRESS_TO_POINTER:void:address_to_pointer:struct type *type, void *buf, CORE_ADDR addr:type, buf, addr:::unsigned_address_to_pointer::0
+F:2:INTEGER_TO_ADDRESS:CORE_ADDR:integer_to_address:struct type *type, void *buf:type, buf
#
f:2:RETURN_VALUE_ON_STACK:int:return_value_on_stack:struct type *type:type:::generic_return_value_on_stack_not::0
f:2:EXTRACT_RETURN_VALUE:void:extract_return_value:struct type *type, char *regbuf, char *valbuf:type, regbuf, valbuf::0:0
f:1:PUSH_ARGUMENTS:CORE_ADDR:push_arguments:int nargs, struct value **args, CORE_ADDR sp, int struct_return, CORE_ADDR struct_addr:nargs, args, sp, struct_return, struct_addr::0:0
f:2:PUSH_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: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
#
-# 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::0
-f:2:D10V_IADDR_P:int:d10v_iaddr_p:CORE_ADDR x:x:::0::0
-f:2:D10V_CONVERT_DADDR_TO_RAW:CORE_ADDR:d10v_convert_daddr_to_raw:CORE_ADDR x:x:::0::0
-f:2:D10V_CONVERT_IADDR_TO_RAW:CORE_ADDR:d10v_convert_iaddr_to_raw:CORE_ADDR x:x:::0::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: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:::generic_use_struct_convention::0
#
f:2:FRAME_INIT_SAVED_REGS:void:frame_init_saved_regs:struct frame_info *frame:frame::0:0
-f:2:INIT_EXTRA_FRAME_INFO:void:init_extra_frame_info:int fromleaf, struct frame_info *frame:fromleaf, frame:::0
+F:2:INIT_EXTRA_FRAME_INFO:void:init_extra_frame_info:int fromleaf, struct frame_info *frame:fromleaf, frame:::0
#
f:2:SKIP_PROLOGUE:CORE_ADDR:skip_prologue:CORE_ADDR ip:ip::0:0
f:2:PROLOGUE_FRAMELESS_P:int:prologue_frameless_p:CORE_ADDR ip:ip::0:generic_prologue_frameless_p::0
v:2:TARGET_FLOAT_FORMAT:const struct floatformat *:float_format::::::default_float_format (gdbarch)
v:2:TARGET_DOUBLE_FORMAT:const struct floatformat *:double_format::::::default_double_format (gdbarch)
v:2:TARGET_LONG_DOUBLE_FORMAT:const struct floatformat *:long_double_format::::::&floatformat_unknown
-f:2:CONVERT_FROM_FUNC_PTR_ADDR:CORE_ADDR:convert_from_func_ptr_addr:CORE_ADDR addr:addr:::default_convert_from_func_ptr_addr::0
+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
# 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: 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 current stopped in one of these.
+f:2:IN_SOLIB_CALL_TRAMPOLINE:int:in_solib_call_trampoline:CORE_ADDR pc, char *name:pc, name:::generic_in_solib_call_trampoline::0
+# A target might have problems with watchpoints as soon as the stack
+# frame of the current function has been destroyed. This mostly happens
+# as the first action in a funtion's epilogue. in_function_epilogue_p()
+# is defined to return a non-zero value if either the given addr is one
+# instruction after the stack destroying instruction up to the trailing
+# return instruction or if we can figure out that the stack frame has
+# already been invalidated regardless of the value of addr. Targets
+# which don't suffer from that problem could just let this functionality
+# untouched.
+m:::int:in_function_epilogue_p:CORE_ADDR addr:addr::0:generic_in_function_epilogue_p::0
+# Given a vector of command-line arguments, return a newly allocated
+# string which, when passed to the create_inferior function, will be
+# parsed (on Unix systems, by the shell) to yield the same vector.
+# This function should call error() if the argument vector is not
+# representable for this target or if this target does not support
+# command-line arguments.
+# ARGC is the number of elements in the vector.
+# ARGV is an array of strings, one per argument.
+m::CONSTRUCT_INFERIOR_ARGUMENTS:char *:construct_inferior_arguments:int argc, char **argv:argc, argv:::construct_inferior_arguments::0
+F:2:DWARF2_BUILD_FRAME_INFO:void:dwarf2_build_frame_info:struct objfile *objfile:objfile:::0
EOF
}
kill $$
exit 1
fi
- if [ "${invalid_p}" = "0" -a "${postdefault}" != "" ]
+ if [ "x${invalid_p}" = "x0" -a -n "${postdefault}" ]
then
echo "Error: postdefault is useless when invalid_p=0" 1>&2
kill $$
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
#ifndef GDBARCH_H
#define GDBARCH_H
+#include "dis-asm.h" /* Get defs for disassemble_info, which unfortunately is a typedef. */
+#if !GDB_MULTI_ARCH
+#include "value.h" /* For default_coerce_float_to_double which is referenced by a macro. */
+#endif
+
struct frame_info;
struct value;
-
+struct objfile;
extern struct gdbarch *current_gdbarch;
#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
printf "\n"
printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
printf "/* set_gdbarch_${function}() - not applicable - pre-initialized. */\n"
+ printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (${macro})\n"
+ printf "#error \"Non multi-arch definition of ${macro}\"\n"
+ printf "#endif\n"
printf "#if GDB_MULTI_ARCH\n"
printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (${macro})\n"
printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
printf "/* The following are initialized by the target dependent code. */\n"
function_list | while do_read
do
- if [ "${comment}" ]
+ if [ -n "${comment}" ]
then
echo "${comment}" | sed \
-e '2 s,#,/*,' \
printf "#endif\n"
printf "\n"
printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
+ printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (${macro}_P)\n"
+ printf "#error \"Non multi-arch definition of ${macro}\"\n"
+ printf "#endif\n"
printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (${macro}_P)\n"
printf "#define ${macro}_P() (gdbarch_${function}_p (current_gdbarch))\n"
printf "#endif\n"
printf "\n"
printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, ${returntype} ${function});\n"
+ printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (${macro})\n"
+ printf "#error \"Non multi-arch definition of ${macro}\"\n"
+ printf "#endif\n"
printf "#if GDB_MULTI_ARCH\n"
printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (${macro})\n"
printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
printf "\n"
printf "/* Default (function) for non- multi-arch platforms. */\n"
printf "#if (!GDB_MULTI_ARCH) && !defined (${macro})\n"
- if [ "${fallbackdefault}" = "0" ]
+ if [ "x${fallbackdefault}" = "x0" ]
then
printf "#define ${macro}(${actual}) (internal_error (__FILE__, __LINE__, \"${macro}\"), 0)\n"
else
printf "#endif\n"
fi
printf "\n"
- if [ "${formal}" = "void" ] && class_is_multiarch_p
+ if [ "x${formal}" = "xvoid" ] && class_is_multiarch_p
then
printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch);\n"
elif class_is_multiarch_p
else
printf "typedef ${returntype} (gdbarch_${function}_ftype) (${formal});\n"
fi
- if [ "${formal}" = "void" ]
+ if [ "x${formal}" = "xvoid" ]
then
printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
else
printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, gdbarch_${function}_ftype *${function});\n"
if class_is_multiarch_p ; then :
else
+ printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (${macro})\n"
+ printf "#error \"Non multi-arch definition of ${macro}\"\n"
+ printf "#endif\n"
printf "#if GDB_MULTI_ARCH\n"
printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (${macro})\n"
- if [ "${actual}" = "" ]
+ if [ "x${actual}" = "x" ]
then
printf "#define ${macro}() (gdbarch_${function} (current_gdbarch))\n"
- elif [ "${actual}" = "-" ]
+ elif [ "x${actual}" = "x-" ]
then
printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
else
The INIT function parameter INFO shall, as far as possible, be
pre-initialized with information obtained from INFO.ABFD or
- previously selected architecture (if similar). INIT shall ensure
- that the INFO.BYTE_ORDER is non-zero.
+ previously selected architecture (if similar).
The INIT function shall return any of: NULL - indicating that it
doesn't recognize the selected architecture; an existing \`\`struct
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). */
extern void gdbarch_free (struct gdbarch *);
-/* Helper function. Force an update of the current architecture. Used
- by legacy targets that have added their own target specific
- architecture manipulation commands.
+/* Helper function. Force an update of the current architecture.
- The INFO parameter shall be fully initialized (\`\`memset (&INFO,
- sizeof (info), 0)'' set relevant fields) before gdbarch_update_p()
- is called. gdbarch_update_p() shall initialize any \`\`default''
- fields using information obtained from the previous architecture or
- INFO.ABFD (if specified) before calling the corresponding
- architectures INIT function.
+ The actual architecture selected is determined by INFO, \`\`(gdb) set
+ architecture'' et.al., the existing architecture and BFD's default
+ architecture. INFO should be initialized to zero and then selected
+ fields should be updated.
Returns non-zero if the update succeeds */
/* The target-system-dependent disassembler is semi-dynamic */
-#include "dis-asm.h" /* Get defs for disassemble_info */
-
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)
-
-
-/* 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 (__FILE__, __LINE__, "gdbarch: EXTRACT_STRUCT_VALUE_ADDRESS"), 0)
-#else
-#ifndef EXTRACT_STRUCT_VALUE_ADDRESS_P
-#define EXTRACT_STRUCT_VALUE_ADDRESS_P (1)
-#endif
-#endif
-
-
/* Set the dynamic target-system-dependent parameters (architecture,
byte-order, ...) using information found in the BFD */
extern void initialize_current_architecture (void);
+/* For non-multiarched targets, do any initialization of the default
+ gdbarch object necessary after the _initialize_MODULE functions
+ have run. */
+extern void initialize_non_multiarch ();
/* gdbarch trace variable */
extern int gdbarch_debug;
#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-events.h"
/* Static function declarations */
};
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 ()
+{
+ alloc_gdbarch_data (&startup_gdbarch);
+ init_gdbarch_data (&startup_gdbarch);
+}
EOF
# Create a new gdbarch struct
gdbarch_alloc (const struct gdbarch_info *info,
struct gdbarch_tdep *tdep)
{
- struct gdbarch *gdbarch = XMALLOC (struct gdbarch);
- memset (gdbarch, 0, sizeof (*gdbarch));
-
- alloc_gdbarch_data (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
printf "\n"
function_list | while do_read
do
if class_is_info_p
then
- printf " gdbarch->${function} = info->${function};\n"
+ printf " current_gdbarch->${function} = info->${function};\n"
fi
done
printf "\n"
do
if class_is_function_p || class_is_variable_p
then
- if [ "${predefault}" != "" -a "${predefault}" != "0" ]
+ if [ -n "${predefault}" -a "x${predefault}" != "x0" ]
then
- printf " gdbarch->${function} = ${predefault};\n"
+ printf " current_gdbarch->${function} = ${predefault};\n"
fi
fi
done
cat <<EOF
/* gdbarch_alloc() */
- return gdbarch;
+ return current_gdbarch;
}
EOF
static void
verify_gdbarch (struct gdbarch *gdbarch)
{
+ struct ui_file *log;
+ struct cleanup *cleanups;
+ long dummy;
+ char *buf;
/* Only perform sanity checks on a multi-arch target. */
if (!GDB_MULTI_ARCH)
return;
+ log = mem_fileopen ();
+ cleanups = make_cleanup_ui_file_delete (log);
/* fundamental */
- if (gdbarch->byte_order == 0)
- internal_error (__FILE__, __LINE__,
- "verify_gdbarch: byte-order unset");
+ if (gdbarch->byte_order == BFD_ENDIAN_UNKNOWN)
+ fprintf_unfiltered (log, "\n\tbyte-order");
if (gdbarch->bfd_arch_info == NULL)
- internal_error (__FILE__, __LINE__,
- "verify_gdbarch: bfd_arch_info unset");
+ fprintf_unfiltered (log, "\n\tbfd_arch_info");
/* Check those that need to be defined for the given multi-arch level. */
EOF
function_list | while do_read
do
if class_is_function_p || class_is_variable_p
then
- if [ "${invalid_p}" = "0" ]
+ 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 ${function}, has predicate */\n"
# FIXME: See do_read for potential simplification
- elif [ "${invalid_p}" -a "${postdefault}" ]
+ elif [ -n "${invalid_p}" -a -n "${postdefault}" ]
then
printf " if (${invalid_p})\n"
printf " gdbarch->${function} = ${postdefault};\n"
- elif [ "${predefault}" -a "${postdefault}" ]
+ elif [ -n "${predefault}" -a -n "${postdefault}" ]
then
printf " if (gdbarch->${function} == ${predefault})\n"
printf " gdbarch->${function} = ${postdefault};\n"
- elif [ "${postdefault}" ]
+ elif [ -n "${postdefault}" ]
then
printf " if (gdbarch->${function} == 0)\n"
printf " gdbarch->${function} = ${postdefault};\n"
- elif [ "${invalid_p}" ]
+ elif [ -n "${invalid_p}" ]
then
printf " if ((GDB_MULTI_ARCH >= ${level})\n"
printf " && (${invalid_p}))\n"
- printf " internal_error (__FILE__, __LINE__,\n"
- printf " \"gdbarch: verify_gdbarch: ${function} invalid\");\n"
- elif [ "${predefault}" ]
+ printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
+ elif [ -n "${predefault}" ]
then
printf " if ((GDB_MULTI_ARCH >= ${level})\n"
printf " && (gdbarch->${function} == ${predefault}))\n"
- printf " internal_error (__FILE__, __LINE__,\n"
- printf " \"gdbarch: verify_gdbarch: ${function} invalid\");\n"
+ printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
fi
fi
done
cat <<EOF
+ buf = ui_file_xstrdup (log, &dummy);
+ make_cleanup (xfree, buf);
+ if (strlen (buf) > 0)
+ internal_error (__FILE__, __LINE__,
+ "verify_gdbarch: the following are invalid ...%s",
+ buf);
+ do_cleanups (cleanups);
}
EOF
"gdbarch_dump: GDB_MULTI_ARCH = %d\\n",
GDB_MULTI_ARCH);
EOF
-function_list | while do_read
+function_list | sort -t: +2 | while do_read
do
# multiarch functions don't have macros.
- class_is_multiarch_p && continue
- if [ "${returntype}" = "void" ]
+ 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 defined (${macro}) && GDB_MULTI_ARCH\n"
+ printf "#if GDB_MULTI_ARCH\n"
printf " /* Macro might contain \`[{}]' when not multi-arch */\n"
- else
- printf "#ifdef ${macro}\n"
fi
if class_is_function_p
then
printf " \"gdbarch_dump: ${macro} # %%s\\\\n\",\n"
printf " XSTRING (${macro}));\n"
fi
- printf "#endif\n"
-done
-function_list | while do_read
-do
- if class_is_multiarch_p
+ # Print the architecture vector value
+ if [ "x${returntype}" = "xvoid" ]
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
+ printf "#endif\n"
fi
- printf "#ifdef ${macro}\n"
- if [ "${print_p}" = "()" ]
+ if [ "x${print_p}" = "x()" ]
then
printf " gdbarch_dump_${function} (current_gdbarch);\n"
- elif [ "${print_p}" = "0" ]
+ elif [ "x${print_p}" = "x0" ]
then
printf " /* skip print of ${macro}, print_p == 0. */\n"
- elif [ "${print_p}" ]
+ elif [ -n "${print_p}" ]
then
printf " if (${print_p})\n"
printf " fprintf_unfiltered (file,\n"
printf "int\n"
printf "gdbarch_${function}_p (struct gdbarch *gdbarch)\n"
printf "{\n"
- if [ "${valid_p}" ]
+ if [ -n "${valid_p}" ]
then
printf " return ${valid_p};\n"
else
then
printf "\n"
printf "${returntype}\n"
- if [ "${formal}" = "void" ]
+ if [ "x${formal}" = "xvoid" ]
then
printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
else
printf " \"gdbarch: gdbarch_${function} invalid\");\n"
printf " if (gdbarch_debug >= 2)\n"
printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
- if [ "${actual}" = "-" -o "${actual}" = "" ]
+ if [ "x${actual}" = "x-" -o "x${actual}" = "x" ]
then
if class_is_multiarch_p
then
params="${actual}"
fi
fi
- if [ "${returntype}" = "void" ]
+ if [ "x${returntype}" = "xvoid" ]
then
printf " gdbarch->${function} (${params});\n"
else
printf "${returntype}\n"
printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
printf "{\n"
- if [ "${invalid_p}" = "0" ]
+ if [ "x${invalid_p}" = "x0" ]
then
printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
- elif [ "${invalid_p}" ]
+ elif [ -n "${invalid_p}" ]
then
printf " if (${invalid_p})\n"
printf " internal_error (__FILE__, __LINE__,\n"
printf " \"gdbarch: gdbarch_${function} invalid\");\n"
- elif [ "${predefault}" ]
+ elif [ -n "${predefault}" ]
then
printf " if (gdbarch->${function} == ${predefault})\n"
printf " internal_error (__FILE__, __LINE__,\n"
struct gdbarch_list **list;
struct gdbarch_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;
- }
+ /* 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_registry;
- rego != NULL;
- rego = rego->next)
- if (rego->bfd_architecture == info.bfd_architecture)
- break;
- 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;
+
+ /* 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",
+ "gdbarch_update: info.bfd_arch_info %s\n",
(info.bfd_arch_info != NULL
? info.bfd_arch_info->printable_name
: "(null)"));
fprintf_unfiltered (gdb_stdlog,
- "gdbarch_update: info.byte_order %d (%s)\\n",
+ "gdbarch_update: info.byte_order %d (%s)\n",
info.byte_order,
- (info.byte_order == BIG_ENDIAN ? "big"
- : info.byte_order == LITTLE_ENDIAN ? "little"
+ (info.byte_order == BFD_ENDIAN_BIG ? "big"
+ : info.byte_order == BFD_ENDIAN_LITTLE ? "little"
: "default"));
fprintf_unfiltered (gdb_stdlog,
- "gdbarch_update: info.abfd 0x%lx\\n",
+ "gdbarch_update: info.abfd 0x%lx\n",
(long) info.abfd);
fprintf_unfiltered (gdb_stdlog,
- "gdbarch_update: info.tdep_info 0x%lx\\n",
+ "gdbarch_update: info.tdep_info 0x%lx\n",
(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;
+ }
+
/* Ask the target for a replacement architecture. */
new_gdbarch = rego->init (info, rego->arches);
new_gdbarch->bfd_arch_info->printable_name);
current_gdbarch = new_gdbarch;
swapin_gdbarch_swap (new_gdbarch);
+ architecture_changed_event ();
return 1;
}
}
registered an interest in this architecture. CURRENT_GDBARCH
must be updated before these modules are called. */
init_gdbarch_data (new_gdbarch);
-
+ architecture_changed_event ();
+
if (gdbarch_debug)
gdbarch_dump (current_gdbarch, gdb_stdlog);
projects / deliverable / binutils-gdb.git / blobdiff