| #!/bin/sh -u |
| |
| # Architecture commands for GDB, the GNU debugger. |
| # |
| # Copyright (C) 1998-2012 Free Software Foundation, Inc. |
| # |
| # This file is part of GDB. |
| # |
| # This program is free software; you can redistribute it and/or modify |
| # it under the terms of the GNU General Public License as published by |
| # the Free Software Foundation; either version 3 of the License, or |
| # (at your option) any later version. |
| # |
| # This program is distributed in the hope that it will be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| # GNU General Public License for more details. |
| # |
| # You should have received a copy of the GNU General Public License |
| # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| |
| # Make certain that the script is not running in an internationalized |
| # environment. |
| LANG=C ; export LANG |
| LC_ALL=C ; export LC_ALL |
| |
| |
| compare_new () |
| { |
| file=$1 |
| if test ! -r ${file} |
| then |
| echo "${file} missing? cp new-${file} ${file}" 1>&2 |
| elif diff -u ${file} new-${file} |
| then |
| echo "${file} unchanged" 1>&2 |
| else |
| echo "${file} has changed? cp new-${file} ${file}" 1>&2 |
| fi |
| } |
| |
| |
| # Format of the input table |
| read="class returntype function formal actual staticdefault predefault postdefault invalid_p print garbage_at_eol" |
| |
| do_read () |
| { |
| comment="" |
| class="" |
| while read line |
| do |
| if test "${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}" |
| |
| if test -n "${garbage_at_eol}" |
| then |
| echo "Garbage at end-of-line in ${line}" 1>&2 |
| kill $$ |
| exit 1 |
| fi |
| |
| # .... and then going back through each field and strip out those |
| # that ended up with just that space character. |
| for r in ${read} |
| do |
| if eval test \"\${${r}}\" = \"\ \" |
| then |
| eval ${r}="" |
| fi |
| done |
| |
| case "${class}" in |
| m ) staticdefault="${predefault}" ;; |
| M ) staticdefault="0" ;; |
| * ) test "${staticdefault}" || staticdefault=0 ;; |
| esac |
| |
| case "${class}" in |
| F | V | M ) |
| case "${invalid_p}" in |
| "" ) |
| if test -n "${predefault}" |
| then |
| #invalid_p="gdbarch->${function} == ${predefault}" |
| predicate="gdbarch->${function} != ${predefault}" |
| elif class_is_variable_p |
| then |
| predicate="gdbarch->${function} != 0" |
| elif class_is_function_p |
| then |
| predicate="gdbarch->${function} != NULL" |
| fi |
| ;; |
| * ) |
| echo "Predicate function ${function} with invalid_p." 1>&2 |
| kill $$ |
| 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 "${class}" ] |
| then |
| true |
| else |
| false |
| fi |
| } |
| |
| |
| fallback_default_p () |
| { |
| [ -n "${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 |
| case ${field} in |
| |
| class ) : ;; |
| |
| # # -> 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 |
| |
| returntype ) : ;; |
| |
| # For functions, the return type; for variables, the data type |
| |
| function ) : ;; |
| |
| # For functions, the member function name; for variables, the |
| # variable name. Member function names are always prefixed with |
| # ``gdbarch_'' for name-space purity. |
| |
| formal ) : ;; |
| |
| # The formal argument list. It is assumed that the formal |
| # argument list includes the actual name of each list element. |
| # A function with no arguments shall have ``void'' as the |
| # formal argument list. |
| |
| actual ) : ;; |
| |
| # The list of actual arguments. The arguments specified shall |
| # match the FORMAL list given above. Functions with out |
| # arguments leave this blank. |
| |
| staticdefault ) : ;; |
| |
| # To help with the GDB startup a static gdbarch object is |
| # 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. |
| |
| # If both INVALID_P and POSTDEFAULT are non-empty then |
| # 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 contain the current architecture. Care should be |
| # taken. |
| |
| invalid_p ) : ;; |
| |
| # A predicate equation that validates MEMBER. Non-zero is |
| # returned if the code creating the new architecture failed to |
| # 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. |
| |
| print ) : ;; |
| |
| # An optional expression that convers MEMBER to a value |
| # suitable for formatting using %s. |
| |
| # If PRINT is empty, core_addr_to_string_nz (for CORE_ADDR) |
| # or plongest (anything else) is used. |
| |
| garbage_at_eol ) : ;; |
| |
| # Catches stray fields. |
| |
| *) |
| echo "Bad field ${field}" |
| exit 1;; |
| esac |
| done |
| |
| |
| function_list () |
| { |
| # See below (DOCO) for description of each field |
| cat <<EOF |
| i:const struct bfd_arch_info *:bfd_arch_info:::&bfd_default_arch_struct::::gdbarch_bfd_arch_info (gdbarch)->printable_name |
| # |
| i:int:byte_order:::BFD_ENDIAN_BIG |
| i:int:byte_order_for_code:::BFD_ENDIAN_BIG |
| # |
| i:enum gdb_osabi:osabi:::GDB_OSABI_UNKNOWN |
| # |
| i:const struct target_desc *:target_desc:::::::host_address_to_string (gdbarch->target_desc) |
| |
| # The bit byte-order has to do just with numbering of bits in debugging symbols |
| # and such. Conceptually, it's quite separate from byte/word byte order. |
| v:int:bits_big_endian:::1:(gdbarch->byte_order == BFD_ENDIAN_BIG)::0 |
| |
| # 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: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: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: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:int:long_long_bit:::8 * sizeof (LONGEST):2*gdbarch->long_bit::0 |
| # Alignment of a long long or unsigned long long for the target |
| # machine. |
| v:int:long_long_align_bit:::8 * sizeof (LONGEST):2*gdbarch->long_bit::0 |
| |
| # The ABI default bit-size and format for "half", "float", "double", and |
| # "long double". These bit/format pairs should eventually be combined |
| # into a single object. For the moment, just initialize them as a pair. |
| # Each format describes both the big and little endian layouts (if |
| # useful). |
| |
| v:int:half_bit:::16:2*TARGET_CHAR_BIT::0 |
| v:const struct floatformat **:half_format:::::floatformats_ieee_half::pformat (gdbarch->half_format) |
| v:int:float_bit:::8 * sizeof (float):4*TARGET_CHAR_BIT::0 |
| v:const struct floatformat **:float_format:::::floatformats_ieee_single::pformat (gdbarch->float_format) |
| v:int:double_bit:::8 * sizeof (double):8*TARGET_CHAR_BIT::0 |
| v:const struct floatformat **:double_format:::::floatformats_ieee_double::pformat (gdbarch->double_format) |
| v:int:long_double_bit:::8 * sizeof (long double):8*TARGET_CHAR_BIT::0 |
| v:const struct floatformat **:long_double_format:::::floatformats_ieee_double::pformat (gdbarch->long_double_format) |
| |
| # 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 gdbarch_ptr_bit and gdbarch_addr_bit |
| # / addr_bit will be set from it. |
| # |
| # If gdbarch_ptr_bit and gdbarch_addr_bit are different, you'll probably |
| # also need to set gdbarch_dwarf2_addr_size, gdbarch_pointer_to_address and |
| # gdbarch_address_to_pointer as well. |
| # |
| # ptr_bit is the size of a pointer on the target |
| v:int:ptr_bit:::8 * sizeof (void*):gdbarch->int_bit::0 |
| # addr_bit is the size of a target address as represented in gdb |
| v:int:addr_bit:::8 * sizeof (void*):0:gdbarch_ptr_bit (gdbarch): |
| # |
| # dwarf2_addr_size is the target address size as used in the Dwarf debug |
| # info. For .debug_frame FDEs, this is supposed to be the target address |
| # size from the associated CU header, and which is equivalent to the |
| # DWARF2_ADDR_SIZE as defined by the target specific GCC back-end. |
| # Unfortunately there is no good way to determine this value. Therefore |
| # dwarf2_addr_size simply defaults to the target pointer size. |
| # |
| # dwarf2_addr_size is not used for .eh_frame FDEs, which are generally |
| # defined using the target's pointer size so far. |
| # |
| # Note that dwarf2_addr_size only needs to be redefined by a target if the |
| # GCC back-end defines a DWARF2_ADDR_SIZE other than the target pointer size, |
| # and if Dwarf versions < 4 need to be supported. |
| v:int:dwarf2_addr_size:::sizeof (void*):0:gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT: |
| # |
| # One if \`char' acts like \`signed char', zero if \`unsigned char'. |
| v:int:char_signed:::1:-1:1 |
| # |
| F:CORE_ADDR:read_pc:struct regcache *regcache:regcache |
| F:void:write_pc:struct regcache *regcache, CORE_ADDR val:regcache, val |
| # 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. |
| m: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:enum register_status:pseudo_register_read:struct regcache *regcache, int cookednum, gdb_byte *buf:regcache, cookednum, buf |
| # Read a register into a new struct value. If the register is wholly |
| # or partly unavailable, this should call mark_value_bytes_unavailable |
| # as appropriate. If this is defined, then pseudo_register_read will |
| # never be called. |
| M:struct value *:pseudo_register_read_value:struct regcache *regcache, int cookednum:regcache, cookednum |
| M:void:pseudo_register_write:struct regcache *regcache, int cookednum, const gdb_byte *buf:regcache, cookednum, buf |
| # |
| v:int:num_regs:::0:-1 |
| # 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:int:num_pseudo_regs:::0:0::0 |
| |
| # Assemble agent expression bytecode to collect pseudo-register REG. |
| # Return -1 if something goes wrong, 0 otherwise. |
| M:int:ax_pseudo_register_collect:struct agent_expr *ax, int reg:ax, reg |
| |
| # Assemble agent expression bytecode to push the value of pseudo-register |
| # REG on the interpreter stack. |
| # Return -1 if something goes wrong, 0 otherwise. |
| M:int:ax_pseudo_register_push_stack:struct agent_expr *ax, int reg:ax, reg |
| |
| # 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). |
| # gdbarch_sp_regnum will hopefully be replaced by UNWIND_SP. |
| v:int:sp_regnum:::-1:-1::0 |
| v:int:pc_regnum:::-1:-1::0 |
| v:int:ps_regnum:::-1:-1::0 |
| v:int:fp0_regnum:::0:-1::0 |
| # Convert stab register number (from \`r\' declaration) to a gdb REGNUM. |
| m: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. |
| m:int:ecoff_reg_to_regnum:int ecoff_regnr:ecoff_regnr::no_op_reg_to_regnum::0 |
| # Convert from an sdb register number to an internal gdb register number. |
| m:int:sdb_reg_to_regnum:int sdb_regnr:sdb_regnr::no_op_reg_to_regnum::0 |
| # Provide a default mapping from a DWARF2 register number to a gdb REGNUM. |
| m:int:dwarf2_reg_to_regnum:int dwarf2_regnr:dwarf2_regnr::no_op_reg_to_regnum::0 |
| m:const char *:register_name:int regnr:regnr::0 |
| |
| # Return the type of a register specified by the architecture. Only |
| # the register cache should call this function directly; others should |
| # use "register_type". |
| M:struct type *:register_type:int reg_nr:reg_nr |
| |
| # See gdbint.texinfo, and PUSH_DUMMY_CALL. |
| M:struct frame_id:dummy_id:struct frame_info *this_frame:this_frame |
| # Implement DUMMY_ID and PUSH_DUMMY_CALL, then delete |
| # deprecated_fp_regnum. |
| v:int:deprecated_fp_regnum:::-1:-1::0 |
| |
| # See gdbint.texinfo. See infcall.c. |
| M:CORE_ADDR:push_dummy_call:struct value *function, struct regcache *regcache, CORE_ADDR bp_addr, int nargs, struct value **args, CORE_ADDR sp, int struct_return, CORE_ADDR struct_addr:function, regcache, bp_addr, nargs, args, sp, struct_return, struct_addr |
| v:int:call_dummy_location::::AT_ENTRY_POINT::0 |
| M:CORE_ADDR:push_dummy_code:CORE_ADDR sp, CORE_ADDR funaddr, struct value **args, int nargs, struct type *value_type, CORE_ADDR *real_pc, CORE_ADDR *bp_addr, struct regcache *regcache:sp, funaddr, args, nargs, value_type, real_pc, bp_addr, regcache |
| |
| m: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:void:print_float_info:struct ui_file *file, struct frame_info *frame, const char *args:file, frame, args |
| M: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. |
| m:int:register_sim_regno:int reg_nr:reg_nr::legacy_register_sim_regno::0 |
| m:int:cannot_fetch_register:int regnum:regnum::cannot_register_not::0 |
| m:int:cannot_store_register:int regnum:regnum::cannot_register_not::0 |
| # setjmp/longjmp support. |
| F:int:get_longjmp_target:struct frame_info *frame, CORE_ADDR *pc:frame, pc |
| # |
| v:int:believe_pcc_promotion::::::: |
| # |
| m:int:convert_register_p:int regnum, struct type *type:regnum, type:0:generic_convert_register_p::0 |
| f:int:register_to_value:struct frame_info *frame, int regnum, struct type *type, gdb_byte *buf, int *optimizedp, int *unavailablep:frame, regnum, type, buf, optimizedp, unavailablep:0 |
| f:void:value_to_register:struct frame_info *frame, int regnum, struct type *type, const gdb_byte *buf:frame, regnum, type, buf:0 |
| # Construct a value representing the contents of register REGNUM in |
| # frame FRAME, interpreted as type TYPE. The routine needs to |
| # allocate and return a struct value with all value attributes |
| # (but not the value contents) filled in. |
| f:struct value *:value_from_register:struct type *type, int regnum, struct frame_info *frame:type, regnum, frame::default_value_from_register::0 |
| # |
| m:CORE_ADDR:pointer_to_address:struct type *type, const gdb_byte *buf:type, buf::unsigned_pointer_to_address::0 |
| m:void:address_to_pointer:struct type *type, gdb_byte *buf, CORE_ADDR addr:type, buf, addr::unsigned_address_to_pointer::0 |
| M:CORE_ADDR:integer_to_address:struct type *type, const gdb_byte *buf:type, buf |
| |
| # Return the return-value convention that will be used by FUNCTION |
| # to return a value of type VALTYPE. FUNCTION may be NULL in which |
| # case the return convention is computed based only on VALTYPE. |
| # |
| # If READBUF is not NULL, extract the return value and save it in this buffer. |
| # |
| # If WRITEBUF is not NULL, it contains a return value which will be |
| # stored into the appropriate register. This can be used when we want |
| # to force the value returned by a function (see the "return" command |
| # for instance). |
| M:enum return_value_convention:return_value:struct value *function, struct type *valtype, struct regcache *regcache, gdb_byte *readbuf, const gdb_byte *writebuf:function, valtype, regcache, readbuf, writebuf |
| |
| # Return true if the return value of function is stored in the first hidden |
| # parameter. In theory, this feature should be language-dependent, specified |
| # by language and its ABI, such as C++. Unfortunately, compiler may |
| # implement it to a target-dependent feature. So that we need such hook here |
| # to be aware of this in GDB. |
| m:int:return_in_first_hidden_param_p:struct type *type:type::default_return_in_first_hidden_param_p::0 |
| |
| m:CORE_ADDR:skip_prologue:CORE_ADDR ip:ip:0:0 |
| M:CORE_ADDR:skip_main_prologue:CORE_ADDR ip:ip |
| f:int:inner_than:CORE_ADDR lhs, CORE_ADDR rhs:lhs, rhs:0:0 |
| m:const gdb_byte *:breakpoint_from_pc:CORE_ADDR *pcptr, int *lenptr:pcptr, lenptr::0: |
| # Return the adjusted address and kind to use for Z0/Z1 packets. |
| # KIND is usually the memory length of the breakpoint, but may have a |
| # different target-specific meaning. |
| m:void:remote_breakpoint_from_pc:CORE_ADDR *pcptr, int *kindptr:pcptr, kindptr:0:default_remote_breakpoint_from_pc::0 |
| M:CORE_ADDR:adjust_breakpoint_address:CORE_ADDR bpaddr:bpaddr |
| m:int:memory_insert_breakpoint:struct bp_target_info *bp_tgt:bp_tgt:0:default_memory_insert_breakpoint::0 |
| m:int:memory_remove_breakpoint:struct bp_target_info *bp_tgt:bp_tgt:0:default_memory_remove_breakpoint::0 |
| v:CORE_ADDR:decr_pc_after_break:::0:::0 |
| |
| # A function can be addressed by either it's "pointer" (possibly a |
| # descriptor address) or "entry point" (first executable instruction). |
| # The method "convert_from_func_ptr_addr" converting the former to the |
| # latter. gdbarch_deprecated_function_start_offset is being used to implement |
| # a simplified subset of that functionality - the function's address |
| # corresponds to the "function pointer" and the function's start |
| # corresponds to the "function entry point" - and hence is redundant. |
| |
| v:CORE_ADDR:deprecated_function_start_offset:::0:::0 |
| |
| # Return the remote protocol register number associated with this |
| # register. Normally the identity mapping. |
| m:int:remote_register_number:int regno:regno::default_remote_register_number::0 |
| |
| # Fetch the target specific address used to represent a load module. |
| F:CORE_ADDR:fetch_tls_load_module_address:struct objfile *objfile:objfile |
| # |
| v:CORE_ADDR:frame_args_skip:::0:::0 |
| M:CORE_ADDR:unwind_pc:struct frame_info *next_frame:next_frame |
| M:CORE_ADDR:unwind_sp:struct frame_info *next_frame:next_frame |
| # DEPRECATED_FRAME_LOCALS_ADDRESS as been replaced by the per-frame |
| # frame-base. Enable frame-base before frame-unwind. |
| F:int:frame_num_args:struct frame_info *frame:frame |
| # |
| M:CORE_ADDR:frame_align:CORE_ADDR address:address |
| m:int:stabs_argument_has_addr:struct type *type:type::default_stabs_argument_has_addr::0 |
| v:int:frame_red_zone_size |
| # |
| m:CORE_ADDR:convert_from_func_ptr_addr:CORE_ADDR addr, struct target_ops *targ:addr, targ::convert_from_func_ptr_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. gdbarch_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). |
| m:CORE_ADDR:addr_bits_remove:CORE_ADDR addr:addr::core_addr_identity::0 |
| # It is not at all clear why gdbarch_smash_text_address is not folded into |
| # gdbarch_addr_bits_remove. |
| m: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. |
| # |
| # A return value of 1 means that the software_single_step breakpoints |
| # were inserted; 0 means they were not. |
| F:int:software_single_step:struct frame_info *frame:frame |
| |
| # Return non-zero if the processor is executing a delay slot and a |
| # further single-step is needed before the instruction finishes. |
| M:int:single_step_through_delay:struct frame_info *frame:frame |
| # FIXME: cagney/2003-08-28: Need to find a better way of selecting the |
| # disassembler. Perhaps objdump can handle it? |
| f:int:print_insn:bfd_vma vma, struct disassemble_info *info:vma, info::0: |
| f:CORE_ADDR:skip_trampoline_code:struct frame_info *frame, CORE_ADDR pc:frame, pc::generic_skip_trampoline_code::0 |
| |
| |
| # If in_solib_dynsym_resolve_code() returns true, and SKIP_SOLIB_RESOLVER |
| # evaluates non-zero, this is the address where the debugger will place |
| # a step-resume breakpoint to get us past the dynamic linker. |
| m:CORE_ADDR:skip_solib_resolver:CORE_ADDR pc:pc::generic_skip_solib_resolver::0 |
| # Some systems also have trampoline code for returning from shared libs. |
| m:int:in_solib_return_trampoline:CORE_ADDR pc, const char *name:pc, name::generic_in_solib_return_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 |
| f:void:elf_make_msymbol_special:asymbol *sym, struct minimal_symbol *msym:sym, msym::default_elf_make_msymbol_special::0 |
| f:void:coff_make_msymbol_special:int val, struct minimal_symbol *msym:val, msym::default_coff_make_msymbol_special::0 |
| v:int:cannot_step_breakpoint:::0:0::0 |
| v:int:have_nonsteppable_watchpoint:::0:0::0 |
| F:int:address_class_type_flags:int byte_size, int dwarf2_addr_class:byte_size, dwarf2_addr_class |
| M:const char *:address_class_type_flags_to_name:int type_flags:type_flags |
| M: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 |
| # Fetch the pointer to the ith function argument. |
| F:CORE_ADDR:fetch_pointer_argument:struct frame_info *frame, int argi, struct type *type:frame, argi, type |
| |
| # Return the appropriate register set for a core file section with |
| # name SECT_NAME and size SECT_SIZE. |
| M:const struct regset *:regset_from_core_section:const char *sect_name, size_t sect_size:sect_name, sect_size |
| |
| # Supported register notes in a core file. |
| v:struct core_regset_section *:core_regset_sections:const char *name, int len::::::host_address_to_string (gdbarch->core_regset_sections) |
| |
| # Create core file notes |
| M:char *:make_corefile_notes:bfd *obfd, int *note_size:obfd, note_size |
| |
| # Find core file memory regions |
| M:int:find_memory_regions:find_memory_region_ftype func, void *data:func, data |
| |
| # Read offset OFFSET of TARGET_OBJECT_LIBRARIES formatted shared libraries list from |
| # core file into buffer READBUF with length LEN. |
| M:LONGEST:core_xfer_shared_libraries:gdb_byte *readbuf, ULONGEST offset, LONGEST len:readbuf, offset, len |
| |
| # How the core target converts a PTID from a core file to a string. |
| M:char *:core_pid_to_str:ptid_t ptid:ptid |
| |
| # BFD target to use when generating a core file. |
| V:const char *:gcore_bfd_target:::0:0:::pstring (gdbarch->gcore_bfd_target) |
| |
| # If the elements of C++ vtables are in-place function descriptors rather |
| # than normal function pointers (which may point to code or a descriptor), |
| # set this to one. |
| v:int:vtable_function_descriptors:::0:0::0 |
| |
| # Set if the least significant bit of the delta is used instead of the least |
| # significant bit of the pfn for pointers to virtual member functions. |
| v:int:vbit_in_delta:::0:0::0 |
| |
| # Advance PC to next instruction in order to skip a permanent breakpoint. |
| F:void:skip_permanent_breakpoint:struct regcache *regcache:regcache |
| |
| # The maximum length of an instruction on this architecture in bytes. |
| V:ULONGEST:max_insn_length:::0:0 |
| |
| # Copy the instruction at FROM to TO, and make any adjustments |
| # necessary to single-step it at that address. |
| # |
| # REGS holds the state the thread's registers will have before |
| # executing the copied instruction; the PC in REGS will refer to FROM, |
| # not the copy at TO. The caller should update it to point at TO later. |
| # |
| # Return a pointer to data of the architecture's choice to be passed |
| # to gdbarch_displaced_step_fixup. Or, return NULL to indicate that |
| # the instruction's effects have been completely simulated, with the |
| # resulting state written back to REGS. |
| # |
| # For a general explanation of displaced stepping and how GDB uses it, |
| # see the comments in infrun.c. |
| # |
| # The TO area is only guaranteed to have space for |
| # gdbarch_max_insn_length (arch) bytes, so this function must not |
| # write more bytes than that to that area. |
| # |
| # If you do not provide this function, GDB assumes that the |
| # architecture does not support displaced stepping. |
| # |
| # If your architecture doesn't need to adjust instructions before |
| # single-stepping them, consider using simple_displaced_step_copy_insn |
| # here. |
| M:struct displaced_step_closure *:displaced_step_copy_insn:CORE_ADDR from, CORE_ADDR to, struct regcache *regs:from, to, regs |
| |
| # Return true if GDB should use hardware single-stepping to execute |
| # the displaced instruction identified by CLOSURE. If false, |
| # GDB will simply restart execution at the displaced instruction |
| # location, and it is up to the target to ensure GDB will receive |
| # control again (e.g. by placing a software breakpoint instruction |
| # into the displaced instruction buffer). |
| # |
| # The default implementation returns false on all targets that |
| # provide a gdbarch_software_single_step routine, and true otherwise. |
| m:int:displaced_step_hw_singlestep:struct displaced_step_closure *closure:closure::default_displaced_step_hw_singlestep::0 |
| |
| # Fix up the state resulting from successfully single-stepping a |
| # displaced instruction, to give the result we would have gotten from |
| # stepping the instruction in its original location. |
| # |
| # REGS is the register state resulting from single-stepping the |
| # displaced instruction. |
| # |
| # CLOSURE is the result from the matching call to |
| # gdbarch_displaced_step_copy_insn. |
| # |
| # If you provide gdbarch_displaced_step_copy_insn.but not this |
| # function, then GDB assumes that no fixup is needed after |
| # single-stepping the instruction. |
| # |
| # For a general explanation of displaced stepping and how GDB uses it, |
| # see the comments in infrun.c. |
| M:void:displaced_step_fixup:struct displaced_step_closure *closure, CORE_ADDR from, CORE_ADDR to, struct regcache *regs:closure, from, to, regs::NULL |
| |
| # Free a closure returned by gdbarch_displaced_step_copy_insn. |
| # |
| # If you provide gdbarch_displaced_step_copy_insn, you must provide |
| # this function as well. |
| # |
| # If your architecture uses closures that don't need to be freed, then |
| # you can use simple_displaced_step_free_closure here. |
| # |
| # For a general explanation of displaced stepping and how GDB uses it, |
| # see the comments in infrun.c. |
| m:void:displaced_step_free_closure:struct displaced_step_closure *closure:closure::NULL::(! gdbarch->displaced_step_free_closure) != (! gdbarch->displaced_step_copy_insn) |
| |
| # Return the address of an appropriate place to put displaced |
| # instructions while we step over them. There need only be one such |
| # place, since we're only stepping one thread over a breakpoint at a |
| # time. |
| # |
| # For a general explanation of displaced stepping and how GDB uses it, |
| # see the comments in infrun.c. |
| m:CORE_ADDR:displaced_step_location:void:::NULL::(! gdbarch->displaced_step_location) != (! gdbarch->displaced_step_copy_insn) |
| |
| # Relocate an instruction to execute at a different address. OLDLOC |
| # is the address in the inferior memory where the instruction to |
| # relocate is currently at. On input, TO points to the destination |
| # where we want the instruction to be copied (and possibly adjusted) |
| # to. On output, it points to one past the end of the resulting |
| # instruction(s). The effect of executing the instruction at TO shall |
| # be the same as if executing it at FROM. For example, call |
| # instructions that implicitly push the return address on the stack |
| # should be adjusted to return to the instruction after OLDLOC; |
| # relative branches, and other PC-relative instructions need the |
| # offset adjusted; etc. |
| M:void:relocate_instruction:CORE_ADDR *to, CORE_ADDR from:to, from::NULL |
| |
| # Refresh overlay mapped state for section OSECT. |
| F:void:overlay_update:struct obj_section *osect:osect |
| |
| M:const struct target_desc *:core_read_description:struct target_ops *target, bfd *abfd:target, abfd |
| |
| # Handle special encoding of static variables in stabs debug info. |
| F:const char *:static_transform_name:const char *name:name |
| # Set if the address in N_SO or N_FUN stabs may be zero. |
| v:int:sofun_address_maybe_missing:::0:0::0 |
| |
| # Parse the instruction at ADDR storing in the record execution log |
| # the registers REGCACHE and memory ranges that will be affected when |
| # the instruction executes, along with their current values. |
| # Return -1 if something goes wrong, 0 otherwise. |
| M:int:process_record:struct regcache *regcache, CORE_ADDR addr:regcache, addr |
| |
| # Save process state after a signal. |
| # Return -1 if something goes wrong, 0 otherwise. |
| M:int:process_record_signal:struct regcache *regcache, enum gdb_signal signal:regcache, signal |
| |
| # Signal translation: translate inferior's signal (target's) number |
| # into GDB's representation. The implementation of this method must |
| # be host independent. IOW, don't rely on symbols of the NAT_FILE |
| # header (the nm-*.h files), the host <signal.h> header, or similar |
| # headers. This is mainly used when cross-debugging core files --- |
| # "Live" targets hide the translation behind the target interface |
| # (target_wait, target_resume, etc.). |
| M:enum gdb_signal:gdb_signal_from_target:int signo:signo |
| |
| # Extra signal info inspection. |
| # |
| # Return a type suitable to inspect extra signal information. |
| M:struct type *:get_siginfo_type:void: |
| |
| # Record architecture-specific information from the symbol table. |
| M:void:record_special_symbol:struct objfile *objfile, asymbol *sym:objfile, sym |
| |
| # Function for the 'catch syscall' feature. |
| |
| # Get architecture-specific system calls information from registers. |
| M:LONGEST:get_syscall_number:ptid_t ptid:ptid |
| |
| # SystemTap related fields and functions. |
| |
| # Prefix used to mark an integer constant on the architecture's assembly |
| # For example, on x86 integer constants are written as: |
| # |
| # \$10 ;; integer constant 10 |
| # |
| # in this case, this prefix would be the character \`\$\'. |
| v:const char *:stap_integer_prefix:::0:0::0:gdbarch->stap_integer_prefix |
| |
| # Suffix used to mark an integer constant on the architecture's assembly. |
| v:const char *:stap_integer_suffix:::0:0::0:gdbarch->stap_integer_suffix |
| |
| # Prefix used to mark a register name on the architecture's assembly. |
| # For example, on x86 the register name is written as: |
| # |
| # \%eax ;; register eax |
| # |
| # in this case, this prefix would be the character \`\%\'. |
| v:const char *:stap_register_prefix:::0:0::0:gdbarch->stap_register_prefix |
| |
| # Suffix used to mark a register name on the architecture's assembly |
| v:const char *:stap_register_suffix:::0:0::0:gdbarch->stap_register_suffix |
| |
| # Prefix used to mark a register indirection on the architecture's assembly. |
| # For example, on x86 the register indirection is written as: |
| # |
| # \(\%eax\) ;; indirecting eax |
| # |
| # in this case, this prefix would be the charater \`\(\'. |
| # |
| # Please note that we use the indirection prefix also for register |
| # displacement, e.g., \`4\(\%eax\)\' on x86. |
| v:const char *:stap_register_indirection_prefix:::0:0::0:gdbarch->stap_register_indirection_prefix |
| |
| # Suffix used to mark a register indirection on the architecture's assembly. |
| # For example, on x86 the register indirection is written as: |
| # |
| # \(\%eax\) ;; indirecting eax |
| # |
| # in this case, this prefix would be the charater \`\)\'. |
| # |
| # Please note that we use the indirection suffix also for register |
| # displacement, e.g., \`4\(\%eax\)\' on x86. |
| v:const char *:stap_register_indirection_suffix:::0:0::0:gdbarch->stap_register_indirection_suffix |
| |
| # Prefix used to name a register using GDB's nomenclature. |
| # |
| # For example, on PPC a register is represented by a number in the assembly |
| # language (e.g., \`10\' is the 10th general-purpose register). However, |
| # inside GDB this same register has an \`r\' appended to its name, so the 10th |
| # register would be represented as \`r10\' internally. |
| v:const char *:stap_gdb_register_prefix:::0:0::0:gdbarch->stap_gdb_register_prefix |
| |
| # Suffix used to name a register using GDB's nomenclature. |
| v:const char *:stap_gdb_register_suffix:::0:0::0:gdbarch->stap_gdb_register_suffix |
| |
| # Check if S is a single operand. |
| # |
| # Single operands can be: |
| # \- Literal integers, e.g. \`\$10\' on x86 |
| # \- Register access, e.g. \`\%eax\' on x86 |
| # \- Register indirection, e.g. \`\(\%eax\)\' on x86 |
| # \- Register displacement, e.g. \`4\(\%eax\)\' on x86 |
| # |
| # This function should check for these patterns on the string |
| # and return 1 if some were found, or zero otherwise. Please try to match |
| # as much info as you can from the string, i.e., if you have to match |
| # something like \`\(\%\', do not match just the \`\(\'. |
| M:int:stap_is_single_operand:const char *s:s |
| |
| # Function used to handle a "special case" in the parser. |
| # |
| # A "special case" is considered to be an unknown token, i.e., a token |
| # that the parser does not know how to parse. A good example of special |
| # case would be ARM's register displacement syntax: |
| # |
| # [R0, #4] ;; displacing R0 by 4 |
| # |
| # Since the parser assumes that a register displacement is of the form: |
| # |
| # <number> <indirection_prefix> <register_name> <indirection_suffix> |
| # |
| # it means that it will not be able to recognize and parse this odd syntax. |
| # Therefore, we should add a special case function that will handle this token. |
| # |
| # This function should generate the proper expression form of the expression |
| # using GDB\'s internal expression mechanism (e.g., \`write_exp_elt_opcode\' |
| # and so on). It should also return 1 if the parsing was successful, or zero |
| # if the token was not recognized as a special token (in this case, returning |
| # zero means that the special parser is deferring the parsing to the generic |
| # parser), and should advance the buffer pointer (p->arg). |
| M:int:stap_parse_special_token:struct stap_parse_info *p:p |
| |
| |
| # True if the list of shared libraries is one and only for all |
| # processes, as opposed to a list of shared libraries per inferior. |
| # This usually means that all processes, although may or may not share |
| # an address space, will see the same set of symbols at the same |
| # addresses. |
| v:int:has_global_solist:::0:0::0 |
| |
| # On some targets, even though each inferior has its own private |
| # address space, the debug interface takes care of making breakpoints |
| # visible to all address spaces automatically. For such cases, |
| # this property should be set to true. |
| v:int:has_global_breakpoints:::0:0::0 |
| |
| # True if inferiors share an address space (e.g., uClinux). |
| m:int:has_shared_address_space:void:::default_has_shared_address_space::0 |
| |
| # True if a fast tracepoint can be set at an address. |
| m:int:fast_tracepoint_valid_at:CORE_ADDR addr, int *isize, char **msg:addr, isize, msg::default_fast_tracepoint_valid_at::0 |
| |
| # Return the "auto" target charset. |
| f:const char *:auto_charset:void::default_auto_charset:default_auto_charset::0 |
| # Return the "auto" target wide charset. |
| f:const char *:auto_wide_charset:void::default_auto_wide_charset:default_auto_wide_charset::0 |
| |
| # If non-empty, this is a file extension that will be opened in place |
| # of the file extension reported by the shared library list. |
| # |
| # This is most useful for toolchains that use a post-linker tool, |
| # where the names of the files run on the target differ in extension |
| # compared to the names of the files GDB should load for debug info. |
| v:const char *:solib_symbols_extension:::::::pstring (gdbarch->solib_symbols_extension) |
| |
| # If true, the target OS has DOS-based file system semantics. That |
| # is, absolute paths include a drive name, and the backslash is |
| # considered a directory separator. |
| v:int:has_dos_based_file_system:::0:0::0 |
| |
| # Generate bytecodes to collect the return address in a frame. |
| # Since the bytecodes run on the target, possibly with GDB not even |
| # connected, the full unwinding machinery is not available, and |
| # typically this function will issue bytecodes for one or more likely |
| # places that the return address may be found. |
| m:void:gen_return_address:struct agent_expr *ax, struct axs_value *value, CORE_ADDR scope:ax, value, scope::default_gen_return_address::0 |
| |
| # Implement the "info proc" command. |
| M:void:info_proc:char *args, enum info_proc_what what:args, what |
| |
| # Iterate over all objfiles in the order that makes the most sense |
| # for the architecture to make global symbol searches. |
| # |
| # CB is a callback function where OBJFILE is the objfile to be searched, |
| # and CB_DATA a pointer to user-defined data (the same data that is passed |
| # when calling this gdbarch method). The iteration stops if this function |
| # returns nonzero. |
| # |
| # CB_DATA is a pointer to some user-defined data to be passed to |
| # the callback. |
| # |
| # If not NULL, CURRENT_OBJFILE corresponds to the objfile being |
| # inspected when the symbol search was requested. |
| m:void:iterate_over_objfiles_in_search_order:iterate_over_objfiles_in_search_order_cb_ftype *cb, void *cb_data, struct objfile *current_objfile:cb, cb_data, current_objfile:0:default_iterate_over_objfiles_in_search_order::0 |
| |
| EOF |
| } |
| |
| # |
| # The .log file |
| # |
| exec > new-gdbarch.log |
| function_list | while do_read |
| do |
| cat <<EOF |
| ${class} ${returntype} ${function} ($formal) |
| EOF |
| for r in ${read} |
| do |
| eval echo \"\ \ \ \ ${r}=\${${r}}\" |
| done |
| if class_is_predicate_p && fallback_default_p |
| then |
| echo "Error: predicate function ${function} 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 ${function} must have a predefault" 1>&2 |
| kill $$ |
| exit 1 |
| fi |
| fi |
| echo "" |
| done |
| |
| exec 1>&2 |
| compare_new gdbarch.log |
| |
| |
| copyright () |
| { |
| cat <<EOF |
| /* *INDENT-OFF* */ /* THIS FILE IS GENERATED */ |
| |
| /* Dynamic architecture support for GDB, the GNU debugger. |
| |
| Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, |
| 2007, 2008, 2009 Free Software Foundation, Inc. |
| |
| This file is part of GDB. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| |
| /* This file was created with the aid of \`\`gdbarch.sh''. |
| |
| 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 making sweeping changes |
| to this file, modifying gdbarch.sh and using its output may prove |
| easier. */ |
| |
| EOF |
| } |
| |
| # |
| # The .h file |
| # |
| |
| exec > new-gdbarch.h |
| copyright |
| cat <<EOF |
| #ifndef GDBARCH_H |
| #define GDBARCH_H |
| |
| struct floatformat; |
| struct ui_file; |
| struct frame_info; |
| struct value; |
| struct objfile; |
| struct obj_section; |
| struct minimal_symbol; |
| struct regcache; |
| struct reggroup; |
| struct regset; |
| struct disassemble_info; |
| struct target_ops; |
| struct obstack; |
| struct bp_target_info; |
| struct target_desc; |
| struct displaced_step_closure; |
| struct core_regset_section; |
| struct syscall; |
| struct agent_expr; |
| struct axs_value; |
| struct stap_parse_info; |
| |
| /* The architecture associated with the connection to the target. |
| |
| The architecture vector provides some information that is really |
| a property of the target: The layout of certain packets, for instance; |
| or the solib_ops vector. Etc. To differentiate architecture accesses |
| to per-target properties from per-thread/per-frame/per-objfile properties, |
| accesses to per-target properties should be made through target_gdbarch. |
| |
| Eventually, when support for multiple targets is implemented in |
| GDB, this global should be made target-specific. */ |
| extern struct gdbarch *target_gdbarch; |
| |
| /* Callback type for the 'iterate_over_objfiles_in_search_order' |
| gdbarch method. */ |
| |
| typedef int (iterate_over_objfiles_in_search_order_cb_ftype) |
| (struct objfile *objfile, void *cb_data); |
| EOF |
| |
| # function typedef's |
| printf "\n" |
| printf "\n" |
| printf "/* The following are pre-initialized by GDBARCH. */\n" |
| function_list | while do_read |
| do |
| if class_is_info_p |
| then |
| printf "\n" |
| printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n" |
| printf "/* set_gdbarch_${function}() - not applicable - pre-initialized. */\n" |
| fi |
| done |
| |
| # function typedef's |
| printf "\n" |
| printf "\n" |
| printf "/* The following are initialized by the target dependent code. */\n" |
| function_list | while do_read |
| do |
| if [ -n "${comment}" ] |
| then |
| echo "${comment}" | sed \ |
| -e '2 s,#,/*,' \ |
| -e '3,$ s,#, ,' \ |
| -e '$ s,$, */,' |
| fi |
| |
| if class_is_predicate_p |
| then |
| printf "\n" |
| printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n" |
| fi |
| if class_is_variable_p |
| then |
| printf "\n" |
| printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n" |
| printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, ${returntype} ${function});\n" |
| fi |
| if class_is_function_p |
| then |
| printf "\n" |
| if [ "x${formal}" = "xvoid" ] && class_is_multiarch_p |
| then |
| printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch);\n" |
| elif class_is_multiarch_p |
| then |
| printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch, ${formal});\n" |
| else |
| printf "typedef ${returntype} (gdbarch_${function}_ftype) (${formal});\n" |
| fi |
| if [ "x${formal}" = "xvoid" ] |
| then |
| printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n" |
| else |
| printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch, ${formal});\n" |
| fi |
| printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, gdbarch_${function}_ftype *${function});\n" |
| fi |
| done |
| |
| # close it off |
| cat <<EOF |
| |
| /* Definition for an unknown syscall, used basically in error-cases. */ |
| #define UNKNOWN_SYSCALL (-1) |
| |
| extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch); |
| |
| |
| /* Mechanism for co-ordinating the selection of a specific |
| architecture. |
| |
| GDB targets (*-tdep.c) can register an interest in a specific |
| architecture. Other GDB components can register a need to maintain |
| per-architecture data. |
| |
| The mechanisms below ensures that there is only a loose connection |
| between the set-architecture command and the various GDB |
| components. Each component can independently register their need |
| to maintain architecture specific data with gdbarch. |
| |
| Pragmatics: |
| |
| Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It |
| didn't scale. |
| |
| The more traditional mega-struct containing architecture specific |
| data for all the various GDB components was also considered. Since |
| GDB is built from a variable number of (fairly independent) |
| components it was determined that the global aproach was not |
| applicable. */ |
| |
| |
| /* Register a new architectural family with GDB. |
| |
| Register support for the specified ARCHITECTURE with GDB. When |
| gdbarch determines that the specified architecture has been |
| selected, the corresponding INIT function is called. |
| |
| -- |
| |
| The INIT function takes two parameters: INFO which contains the |
| information available to gdbarch about the (possibly new) |
| architecture; ARCHES which is a list of the previously created |
| \`\`struct gdbarch'' for this architecture. |
| |
| The INFO parameter is, as far as possible, be pre-initialized with |
| information obtained from INFO.ABFD or the global defaults. |
| |
| 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 INIT function shall return any of: NULL - indicating that it |
| 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()). |
| |
| The DUMP_TDEP function shall print out all target specific values. |
| Care should be taken to ensure that the function works in both the |
| multi-arch and non- multi-arch cases. */ |
| |
| struct gdbarch_list |
| { |
| struct gdbarch *gdbarch; |
| struct gdbarch_list *next; |
| }; |
| |
| struct gdbarch_info |
| { |
| /* Use default: NULL (ZERO). */ |
| const struct bfd_arch_info *bfd_arch_info; |
| |
| /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */ |
| int byte_order; |
| |
| int byte_order_for_code; |
| |
| /* Use default: NULL (ZERO). */ |
| bfd *abfd; |
| |
| /* Use default: NULL (ZERO). */ |
| struct gdbarch_tdep_info *tdep_info; |
| |
| /* Use default: GDB_OSABI_UNINITIALIZED (-1). */ |
| enum gdb_osabi osabi; |
| |
| /* Use default: NULL (ZERO). */ |
| const struct target_desc *target_desc; |
| }; |
| |
| typedef struct gdbarch *(gdbarch_init_ftype) (struct gdbarch_info info, struct gdbarch_list *arches); |
| typedef void (gdbarch_dump_tdep_ftype) (struct gdbarch *gdbarch, struct ui_file *file); |
| |
| /* DEPRECATED - use gdbarch_register() */ |
| extern void register_gdbarch_init (enum bfd_architecture architecture, gdbarch_init_ftype *); |
| |
| extern void gdbarch_register (enum bfd_architecture architecture, |
| gdbarch_init_ftype *, |
| gdbarch_dump_tdep_ftype *); |
| |
| |
| /* Return a freshly allocated, NULL terminated, array of the valid |
| architecture names. Since architectures are registered during the |
| _initialize phase this function only returns useful information |
| once initialization has been completed. */ |
| |
| extern const char **gdbarch_printable_names (void); |
| |
| |
| /* Helper function. Search the list of ARCHES for a GDBARCH that |
| matches the information provided by INFO. */ |
| |
| extern struct gdbarch_list *gdbarch_list_lookup_by_info (struct gdbarch_list *arches, const struct gdbarch_info *info); |
| |
| |
| /* Helper function. Create a preliminary \`\`struct gdbarch''. Perform |
| basic initialization using values obtained from the INFO and TDEP |
| parameters. set_gdbarch_*() functions are called to complete the |
| initialization of the object. */ |
| |
| extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gdbarch_tdep *tdep); |
| |
| |
| /* Helper function. Free a partially-constructed \`\`struct gdbarch''. |
| It is assumed that the caller freeds the \`\`struct |
| gdbarch_tdep''. */ |
| |
| extern void gdbarch_free (struct gdbarch *); |
| |
| |
| /* Helper function. Allocate memory from the \`\`struct gdbarch'' |
| obstack. The memory is freed when the corresponding architecture |
| is also freed. */ |
| |
| extern void *gdbarch_obstack_zalloc (struct gdbarch *gdbarch, long size); |
| #define GDBARCH_OBSTACK_CALLOC(GDBARCH, NR, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), (NR) * sizeof (TYPE))) |
| #define GDBARCH_OBSTACK_ZALLOC(GDBARCH, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), sizeof (TYPE))) |
| |
| |
| /* 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. |
| |
| Returns non-zero if the update succeeds. */ |
| |
| extern int gdbarch_update_p (struct gdbarch_info info); |
| |
| |
| /* Helper function. Find an architecture matching info. |
| |
| INFO should be initialized using gdbarch_info_init, relevant fields |
| set, and then finished using gdbarch_info_fill. |
| |
| Returns the corresponding architecture, or NULL if no matching |
| architecture was found. */ |
| |
| extern struct gdbarch *gdbarch_find_by_info (struct gdbarch_info info); |
| |
| |
| /* Helper function. Set the global "target_gdbarch" to "gdbarch". |
| |
| FIXME: kettenis/20031124: Of the functions that follow, only |
| gdbarch_from_bfd is supposed to survive. The others will |
| dissappear since in the future GDB will (hopefully) be truly |
| multi-arch. However, for now we're still stuck with the concept of |
| a single active architecture. */ |
| |
| extern void deprecated_target_gdbarch_select_hack (struct gdbarch *gdbarch); |
| |
| |
| /* Register per-architecture data-pointer. |
| |
| Reserve space for a per-architecture data-pointer. An identifier |
| for the reserved data-pointer is returned. That identifer should |
| be saved in a local static variable. |
| |
| Memory for the per-architecture data shall be allocated using |
| gdbarch_obstack_zalloc. That memory will be deleted when the |
| corresponding architecture object is deleted. |
| |
| 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). */ |
| |
| struct gdbarch_data; |
| |
| typedef void *(gdbarch_data_pre_init_ftype) (struct obstack *obstack); |
| extern struct gdbarch_data *gdbarch_data_register_pre_init (gdbarch_data_pre_init_ftype *init); |
| typedef void *(gdbarch_data_post_init_ftype) (struct gdbarch *gdbarch); |
| extern struct gdbarch_data *gdbarch_data_register_post_init (gdbarch_data_post_init_ftype *init); |
| extern void deprecated_set_gdbarch_data (struct gdbarch *gdbarch, |
| struct gdbarch_data *data, |
| void *pointer); |
| |
| extern void *gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *); |
| |
| |
| /* Set the dynamic target-system-dependent parameters (architecture, |
| byte-order, ...) using information found in the BFD. */ |
| |
| extern void set_gdbarch_from_file (bfd *); |
| |
| |
| /* Initialize the current architecture to the "first" one we find on |
| our list. */ |
| |
| extern void initialize_current_architecture (void); |
| |
| /* gdbarch trace variable */ |
| extern int gdbarch_debug; |
| |
| extern void gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file); |
| |
| #endif |
| EOF |
| exec 1>&2 |
| #../move-if-change new-gdbarch.h gdbarch.h |
| compare_new gdbarch.h |
| |
| |
| # |
| # C file |
| # |
| |
| exec > new-gdbarch.c |
| copyright |
| cat <<EOF |
| |
| #include "defs.h" |
| #include "arch-utils.h" |
| |
| #include "gdbcmd.h" |
| #include "inferior.h" |
| #include "symcat.h" |
| |
| #include "floatformat.h" |
| |
| #include "gdb_assert.h" |
| #include "gdb_string.h" |
| #include "reggroups.h" |
| #include "osabi.h" |
| #include "gdb_obstack.h" |
| #include "observer.h" |
| #include "regcache.h" |
| #include "objfiles.h" |
| |
| /* Static function declarations */ |
| |
| static void alloc_gdbarch_data (struct gdbarch *); |
| |
| /* Non-zero if we want to trace architecture code. */ |
| |
| #ifndef GDBARCH_DEBUG |
| #define GDBARCH_DEBUG 0 |
| #endif |
| int gdbarch_debug = GDBARCH_DEBUG; |
| static void |
| show_gdbarch_debug (struct ui_file *file, int from_tty, |
| struct cmd_list_element *c, const char *value) |
| { |
| fprintf_filtered (file, _("Architecture debugging is %s.\\n"), value); |
| } |
| |
| static const char * |
| pformat (const struct floatformat **format) |
| { |
| if (format == NULL) |
| return "(null)"; |
| else |
| /* Just print out one of them - this is only for diagnostics. */ |
| return format[0]->name; |
| } |
| |
| static const char * |
| pstring (const char *string) |
| { |
| if (string == NULL) |
| return "(null)"; |
| return string; |
| } |
| |
| EOF |
| |
| # gdbarch open the gdbarch object |
| 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 "\n" |
| printf " /* An obstack bound to the lifetime of the architecture. */\n" |
| printf " struct obstack *obstack;\n" |
| printf "\n" |
| printf " /* basic architectural information. */\n" |
| function_list | while do_read |
| do |
| if class_is_info_p |
| then |
| printf " ${returntype} ${function};\n" |
| fi |
| done |
| 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. |
| |
| When extending this structure you must: |
| |
| Add the field below. |
| |
| Declare set/get functions and define the corresponding |
| macro in gdbarch.h. |
| |
| gdbarch_alloc(): If zero/NULL is not a suitable default, |
| initialize the new field. |
| |
| verify_gdbarch(): Confirm that the target updated the field |
| correctly. |
| |
| gdbarch_dump(): Add a fprintf_unfiltered call so that the new |
| field is dumped out |
| |
| \`\`startup_gdbarch()'': Append an initial value to the static |
| variable (base values on the host's c-type system). |
| |
| get_gdbarch(): Implement the set/get functions (probably using |
| the macro's as shortcuts). |
| |
| */ |
| |
| EOF |
| function_list | while do_read |
| do |
| if class_is_variable_p |
| then |
| printf " ${returntype} ${function};\n" |
| elif class_is_function_p |
| then |
| printf " gdbarch_${function}_ftype *${function};\n" |
| fi |
| done |
| printf "};\n" |
| |
| # A pre-initialized vector |
| printf "\n" |
| printf "\n" |
| cat <<EOF |
| /* The default architecture uses host values (for want of a better |
| choice). */ |
| EOF |
| 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 " NULL, /* The obstack. */\n" |
| printf " /* basic architecture information. */\n" |
| function_list | while do_read |
| do |
| if class_is_info_p |
| then |
| printf " ${staticdefault}, /* ${function} */\n" |
| fi |
| done |
| cat <<EOF |
| /* 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 |
| do |
| if class_is_function_p || class_is_variable_p |
| then |
| printf " ${staticdefault}, /* ${function} */\n" |
| fi |
| done |
| cat <<EOF |
| /* startup_gdbarch() */ |
| }; |
| |
| struct gdbarch *target_gdbarch = &startup_gdbarch; |
| EOF |
| |
| # Create a new gdbarch struct |
| cat <<EOF |
| |
| /* Create a new \`\`struct gdbarch'' based on information provided by |
| \`\`struct gdbarch_info''. */ |
| EOF |
| printf "\n" |
| cat <<EOF |
| struct gdbarch * |
| gdbarch_alloc (const struct gdbarch_info *info, |
| struct gdbarch_tdep *tdep) |
| { |
| struct gdbarch *gdbarch; |
| |
| /* Create an obstack for allocating all the per-architecture memory, |
| then use that to allocate the architecture vector. */ |
| struct obstack *obstack = XMALLOC (struct obstack); |
| obstack_init (obstack); |
| gdbarch = obstack_alloc (obstack, sizeof (*gdbarch)); |
| memset (gdbarch, 0, sizeof (*gdbarch)); |
| gdbarch->obstack = obstack; |
| |
| alloc_gdbarch_data (gdbarch); |
| |
| gdbarch->tdep = tdep; |
| EOF |
| printf "\n" |
| function_list | while do_read |
| do |
| if class_is_info_p |
| then |
| printf " gdbarch->${function} = info->${function};\n" |
| fi |
| done |
| printf "\n" |
| printf " /* Force the explicit initialization of these. */\n" |
| function_list | while do_read |
| do |
| if class_is_function_p || class_is_variable_p |
| then |
| if [ -n "${predefault}" -a "x${predefault}" != "x0" ] |
| then |
| printf " gdbarch->${function} = ${predefault};\n" |
| fi |
| fi |
| done |
| cat <<EOF |
| /* gdbarch_alloc() */ |
| |
| return gdbarch; |
| } |
| EOF |
| |
| # Free a gdbarch struct. |
| printf "\n" |
| printf "\n" |
| cat <<EOF |
| /* Allocate extra space using the per-architecture obstack. */ |
| |
| void * |
| gdbarch_obstack_zalloc (struct gdbarch *arch, long size) |
| { |
| void *data = obstack_alloc (arch->obstack, size); |
| |
| memset (data, 0, size); |
| return data; |
| } |
| |
| |
| /* Free a gdbarch struct. This should never happen in normal |
| operation --- once you've created a gdbarch, you keep it around. |
| However, if an architecture's init function encounters an error |
| building the structure, it may need to clean up a partially |
| constructed gdbarch. */ |
| |
| void |
| gdbarch_free (struct gdbarch *arch) |
| { |
| struct obstack *obstack; |
| |
| gdb_assert (arch != NULL); |
| gdb_assert (!arch->initialized_p); |
| obstack = arch->obstack; |
| obstack_free (obstack, 0); /* Includes the ARCH. */ |
| xfree (obstack); |
| } |
| EOF |
| |
| # verify a new architecture |
| cat <<EOF |
| |
| |
| /* Ensure that all values in a GDBARCH are reasonable. */ |
| |
| static void |
| verify_gdbarch (struct gdbarch *gdbarch) |
| { |
| struct ui_file *log; |
| struct cleanup *cleanups; |
| long length; |
| char *buf; |
| |
| log = mem_fileopen (); |
| cleanups = make_cleanup_ui_file_delete (log); |
| /* fundamental */ |
| if (gdbarch->byte_order == BFD_ENDIAN_UNKNOWN) |
| fprintf_unfiltered (log, "\n\tbyte-order"); |
| if (gdbarch->bfd_arch_info == NULL) |
| fprintf_unfiltered (log, "\n\tbfd_arch_info"); |
| /* Check those that need to be defined for the given multi-arch level. */ |
| EOF |
| function_list | while do_read |
| do |
| if class_is_function_p || class_is_variable_p |
| then |
| if [ "x${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 |
| printf " if (gdbarch->${function} == 0)\n" |
| printf " gdbarch->${function} = ${postdefault};\n" |
| elif [ -n "${invalid_p}" ] |
| then |
| printf " if (${invalid_p})\n" |
| printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n" |
| elif [ -n "${predefault}" ] |
| then |
| printf " if (gdbarch->${function} == ${predefault})\n" |
| printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n" |
| fi |
| fi |
| done |
| cat <<EOF |
| buf = ui_file_xstrdup (log, &length); |
| make_cleanup (xfree, buf); |
| if (length > 0) |
| internal_error (__FILE__, __LINE__, |
| _("verify_gdbarch: the following are invalid ...%s"), |
| buf); |
| do_cleanups (cleanups); |
| } |
| EOF |
| |
| # dump the structure |
| printf "\n" |
| printf "\n" |
| cat <<EOF |
| /* Print out the details of the current architecture. */ |
| |
| void |
| gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file) |
| { |
| const char *gdb_nm_file = "<not-defined>"; |
| |
| #if defined (GDB_NM_FILE) |
| gdb_nm_file = GDB_NM_FILE; |
| #endif |
| fprintf_unfiltered (file, |
| "gdbarch_dump: GDB_NM_FILE = %s\\n", |
| gdb_nm_file); |
| EOF |
| function_list | sort -t: -k 3 | while do_read |
| do |
| # First the predicate |
| if class_is_predicate_p |
| then |
| printf " fprintf_unfiltered (file,\n" |
| printf " \"gdbarch_dump: gdbarch_${function}_p() = %%d\\\\n\",\n" |
| printf " gdbarch_${function}_p (gdbarch));\n" |
| fi |
| # Print the corresponding value. |
| if class_is_function_p |
| then |
| printf " fprintf_unfiltered (file,\n" |
| printf " \"gdbarch_dump: ${function} = <%%s>\\\\n\",\n" |
| printf " host_address_to_string (gdbarch->${function}));\n" |
| else |
| # It is a variable |
| case "${print}:${returntype}" in |
| :CORE_ADDR ) |
| fmt="%s" |
| print="core_addr_to_string_nz (gdbarch->${function})" |
| ;; |
| :* ) |
| fmt="%s" |
| print="plongest (gdbarch->${function})" |
| ;; |
| * ) |
| fmt="%s" |
| ;; |
| esac |
| printf " fprintf_unfiltered (file,\n" |
| printf " \"gdbarch_dump: ${function} = %s\\\\n\",\n" "${fmt}" |
| printf " ${print});\n" |
| fi |
| done |
| cat <<EOF |
| if (gdbarch->dump_tdep != NULL) |
| gdbarch->dump_tdep (gdbarch, file); |
| } |
| EOF |
| |
| |
| # GET/SET |
| printf "\n" |
| cat <<EOF |
| struct gdbarch_tdep * |
| gdbarch_tdep (struct gdbarch *gdbarch) |
| { |
| if (gdbarch_debug >= 2) |
| fprintf_unfiltered (gdb_stdlog, "gdbarch_tdep called\\n"); |
| return gdbarch->tdep; |
| } |
| EOF |
| printf "\n" |
| function_list | while do_read |
| do |
| if class_is_predicate_p |
| then |
| printf "\n" |
| printf "int\n" |
| printf "gdbarch_${function}_p (struct gdbarch *gdbarch)\n" |
| printf "{\n" |
| printf " gdb_assert (gdbarch != NULL);\n" |
| printf " return ${predicate};\n" |
| printf "}\n" |
| fi |
| if class_is_function_p |
| then |
| printf "\n" |
| printf "${returntype}\n" |
| if [ "x${formal}" = "xvoid" ] |
| then |
| printf "gdbarch_${function} (struct gdbarch *gdbarch)\n" |
| else |
| printf "gdbarch_${function} (struct gdbarch *gdbarch, ${formal})\n" |
| fi |
| printf "{\n" |
| printf " gdb_assert (gdbarch != NULL);\n" |
| printf " gdb_assert (gdbarch->${function} != NULL);\n" |
| if class_is_predicate_p && test -n "${predefault}" |
| then |
| # Allow a call to a function with a predicate. |
| printf " /* Do not check predicate: ${predicate}, allow call. */\n" |
| fi |
| printf " if (gdbarch_debug >= 2)\n" |
| printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${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${returntype}" = "xvoid" ] |
| then |
| printf " gdbarch->${function} (${params});\n" |
| else |
| printf " return gdbarch->${function} (${params});\n" |
| fi |
| printf "}\n" |
| printf "\n" |
| printf "void\n" |
| printf "set_gdbarch_${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 |
| printf " /* Skip verify of ${function}, invalid_p == 0 */\n" |
| elif [ -n "${invalid_p}" ] |
| then |
| printf " /* Check variable is valid. */\n" |
| printf " gdb_assert (!(${invalid_p}));\n" |
| elif [ -n "${predefault}" ] |
| then |
| printf " /* Check variable changed from pre-default. */\n" |
| printf " gdb_assert (gdbarch->${function} != ${predefault});\n" |
| fi |
| printf " if (gdbarch_debug >= 2)\n" |
| printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${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 registry of per-architecture data-pointers required by GDB |
| modules. */ |
| |
| struct gdbarch_data |
| { |
| unsigned index; |
| int init_p; |
| gdbarch_data_pre_init_ftype *pre_init; |
| gdbarch_data_post_init_ftype *post_init; |
| }; |
| |
| struct gdbarch_data_registration |
| { |
| struct gdbarch_data *data; |
| struct gdbarch_data_registration *next; |
| }; |
| |
| struct gdbarch_data_registry |
| { |
| unsigned nr; |
| struct gdbarch_data_registration *registrations; |
| }; |
| |
| struct gdbarch_data_registry gdbarch_data_registry = |
| { |
| 0, NULL, |
| }; |
| |
| static struct gdbarch_data * |
| gdbarch_data_register (gdbarch_data_pre_init_ftype *pre_init, |
| gdbarch_data_post_init_ftype *post_init) |
| { |
| struct gdbarch_data_registration **curr; |
| |
| /* Append the new registration. */ |
| for (curr = &gdbarch_data_registry.registrations; |
| (*curr) != NULL; |
| curr = &(*curr)->next); |
| (*curr) = XMALLOC (struct gdbarch_data_registration); |
| (*curr)->next = NULL; |
| (*curr)->data = XMALLOC (struct gdbarch_data); |
| (*curr)->data->index = gdbarch_data_registry.nr++; |
| (*curr)->data->pre_init = pre_init; |
| (*curr)->data->post_init = post_init; |
| (*curr)->data->init_p = 1; |
| return (*curr)->data; |
| } |
| |
| struct gdbarch_data * |
| gdbarch_data_register_pre_init (gdbarch_data_pre_init_ftype *pre_init) |
| { |
| return gdbarch_data_register (pre_init, NULL); |
| } |
| |
| struct gdbarch_data * |
| gdbarch_data_register_post_init (gdbarch_data_post_init_ftype *post_init) |
| { |
| return gdbarch_data_register (NULL, post_init); |
| } |
| |
| /* Create/delete the gdbarch data vector. */ |
| |
| static void |
| alloc_gdbarch_data (struct gdbarch *gdbarch) |
| { |
| gdb_assert (gdbarch->data == NULL); |
| gdbarch->nr_data = gdbarch_data_registry.nr; |
| gdbarch->data = GDBARCH_OBSTACK_CALLOC (gdbarch, gdbarch->nr_data, void *); |
| } |
| |
| /* Initialize the current value of the specified per-architecture |
| data-pointer. */ |
| |
| void |
| deprecated_set_gdbarch_data (struct gdbarch *gdbarch, |
| struct gdbarch_data *data, |
| void *pointer) |
| { |
| gdb_assert (data->index < gdbarch->nr_data); |
| gdb_assert (gdbarch->data[data->index] == NULL); |
| gdb_assert (data->pre_init == NULL); |
| gdbarch->data[data->index] = pointer; |
| } |
| |
| /* Return the current value of the specified per-architecture |
| data-pointer. */ |
| |
| void * |
| gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *data) |
| { |
| gdb_assert (data->index < gdbarch->nr_data); |
| if (gdbarch->data[data->index] == NULL) |
| { |
| /* The data-pointer isn't initialized, call init() to get a |
| value. */ |
| if (data->pre_init != NULL) |
| /* Mid architecture creation: pass just the obstack, and not |
| the entire architecture, as that way it isn't possible for |
| pre-init code to refer to undefined architecture |
| fields. */ |
| gdbarch->data[data->index] = data->pre_init (gdbarch->obstack); |
| else if (gdbarch->initialized_p |
| && data->post_init != NULL) |
| /* Post architecture creation: pass the entire architecture |
| (as all fields are valid), but be careful to also detect |
| recursive references. */ |
| { |
| gdb_assert (data->init_p); |
| data->init_p = 0; |
| gdbarch->data[data->index] = data->post_init (gdbarch); |
| data->init_p = 1; |
| } |
| else |
| /* The architecture initialization hasn't completed - punt - |
| hope that the caller knows what they are doing. Once |
| deprecated_set_gdbarch_data has been initialized, this can be |
| changed to an internal error. */ |
| return NULL; |
| gdb_assert (gdbarch->data[data->index] != NULL); |
| } |
| return gdbarch->data[data->index]; |
| } |
| |
| |
| /* Keep a registry of the architectures known by GDB. */ |
| |
| struct gdbarch_registration |
| { |
| enum bfd_architecture bfd_architecture; |
| gdbarch_init_ftype *init; |
| gdbarch_dump_tdep_ftype *dump_tdep; |
| struct gdbarch_list *arches; |
| struct gdbarch_registration *next; |
| }; |
| |
| 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) |
| { |
| /* Accumulate a list of names based on the registed list of |
| architectures. */ |
| 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; |
| } |
| |
| |
| void |
| gdbarch_register (enum bfd_architecture bfd_architecture, |
| gdbarch_init_ftype *init, |
| gdbarch_dump_tdep_ftype *dump_tdep) |
| { |
| struct gdbarch_registration **curr; |
| const struct bfd_arch_info *bfd_arch_info; |
| |
| /* Check that BFD recognizes this architecture */ |
| bfd_arch_info = bfd_lookup_arch (bfd_architecture, 0); |
| if (bfd_arch_info == NULL) |
| { |
| 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_registry; |
| (*curr) != NULL; |
| curr = &(*curr)->next) |
| { |
| if (bfd_architecture == (*curr)->bfd_architecture) |
| internal_error (__FILE__, __LINE__, |
| _("gdbarch: Duplicate registration " |
| "of architecture (%s)"), |
| bfd_arch_info->printable_name); |
| } |
| /* log it */ |
| if (gdbarch_debug) |
| fprintf_unfiltered (gdb_stdlog, "register_gdbarch_init (%s, %s)\n", |
| bfd_arch_info->printable_name, |
| host_address_to_string (init)); |
| /* Append it */ |
| (*curr) = XMALLOC (struct gdbarch_registration); |
| (*curr)->bfd_architecture = bfd_architecture; |
| (*curr)->init = init; |
| (*curr)->dump_tdep = dump_tdep; |
| (*curr)->arches = NULL; |
| (*curr)->next = NULL; |
| } |
| |
| 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. */ |
| |
| struct gdbarch_list * |
| gdbarch_list_lookup_by_info (struct gdbarch_list *arches, |
| const struct gdbarch_info *info) |
| { |
| for (; arches != NULL; arches = arches->next) |
| { |
| if (info->bfd_arch_info != arches->gdbarch->bfd_arch_info) |
| continue; |
| if (info->byte_order != arches->gdbarch->byte_order) |
| continue; |
| if (info->osabi != arches->gdbarch->osabi) |
| continue; |
| if (info->target_desc != arches->gdbarch->target_desc) |
| continue; |
| return arches; |
| } |
| return NULL; |
| } |
| |
| |
| /* Find an architecture that matches the specified INFO. Create a new |
| architecture if needed. Return that new architecture. */ |
| |
| struct gdbarch * |
| gdbarch_find_by_info (struct gdbarch_info info) |
| { |
| struct gdbarch *new_gdbarch; |
| struct gdbarch_registration *rego; |
| |
| /* Fill in missing parts of the INFO struct using a number of |
| sources: "set ..."; INFOabfd supplied; and the global |
| defaults. */ |
| gdbarch_info_fill (&info); |
| |
| /* Must have found some sort of architecture. */ |
| gdb_assert (info.bfd_arch_info != NULL); |
| |
| if (gdbarch_debug) |
| { |
| fprintf_unfiltered (gdb_stdlog, |
| "gdbarch_find_by_info: info.bfd_arch_info %s\n", |
| (info.bfd_arch_info != NULL |
| ? info.bfd_arch_info->printable_name |
| : "(null)")); |
| fprintf_unfiltered (gdb_stdlog, |
| "gdbarch_find_by_info: info.byte_order %d (%s)\n", |
| info.byte_order, |
| (info.byte_order == BFD_ENDIAN_BIG ? "big" |
| : info.byte_order == BFD_ENDIAN_LITTLE ? "little" |
| : "default")); |
| fprintf_unfiltered (gdb_stdlog, |
| "gdbarch_find_by_info: info.osabi %d (%s)\n", |
| info.osabi, gdbarch_osabi_name (info.osabi)); |
| fprintf_unfiltered (gdb_stdlog, |
| "gdbarch_find_by_info: info.abfd %s\n", |
| host_address_to_string (info.abfd)); |
| fprintf_unfiltered (gdb_stdlog, |
| "gdbarch_find_by_info: info.tdep_info %s\n", |
| host_address_to_string (info.tdep_info)); |
| } |
| |
| /* Find the tdep code 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_find_by_info: " |
| "No matching architecture\n"); |
| return 0; |
| } |
| |
| /* Ask the tdep code for an architecture that matches "info". */ |
| new_gdbarch = rego->init (info, rego->arches); |
| |
| /* Did the tdep code like it? No. Reject the change and revert to |
| the old architecture. */ |
| if (new_gdbarch == NULL) |
| { |
| if (gdbarch_debug) |
| fprintf_unfiltered (gdb_stdlog, "gdbarch_find_by_info: " |
| "Target rejected architecture\n"); |
| return NULL; |
| } |
| |
| /* Is this a pre-existing architecture (as determined by already |
| being initialized)? Move it to the front of the architecture |
| list (keeping the list sorted Most Recently Used). */ |
| if (new_gdbarch->initialized_p) |
| { |
| struct gdbarch_list **list; |
| struct gdbarch_list *this; |
| if (gdbarch_debug) |
| fprintf_unfiltered (gdb_stdlog, "gdbarch_find_by_info: " |
| "Previous architecture %s (%s) selected\n", |
| host_address_to_string (new_gdbarch), |
| new_gdbarch->bfd_arch_info->printable_name); |
| /* Find the existing arch in the list. */ |
| for (list = ®o->arches; |
| (*list) != NULL && (*list)->gdbarch != new_gdbarch; |
| list = &(*list)->next); |
| /* It had better be in the list of architectures. */ |
| gdb_assert ((*list) != NULL && (*list)->gdbarch == new_gdbarch); |
| /* Unlink THIS. */ |
| this = (*list); |
| (*list) = this->next; |
| /* Insert THIS at the front. */ |
| this->next = rego->arches; |
| rego->arches = this; |
| /* Return it. */ |
| return new_gdbarch; |
| } |
| |
| /* It's a new architecture. */ |
| if (gdbarch_debug) |
| fprintf_unfiltered (gdb_stdlog, "gdbarch_find_by_info: " |
| "New architecture %s (%s) selected\n", |
| host_address_to_string (new_gdbarch), |
| new_gdbarch->bfd_arch_info->printable_name); |
| |
| /* Insert the new architecture into the front of 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; |
| } |
| |
| /* 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); |
| new_gdbarch->initialized_p = 1; |
| |
| if (gdbarch_debug) |
| gdbarch_dump (new_gdbarch, gdb_stdlog); |
| |
| return new_gdbarch; |
| } |
| |
| /* Make the specified architecture current. */ |
| |
| void |
| deprecated_target_gdbarch_select_hack (struct gdbarch *new_gdbarch) |
| { |
| gdb_assert (new_gdbarch != NULL); |
| gdb_assert (new_gdbarch->initialized_p); |
| target_gdbarch = new_gdbarch; |
| observer_notify_architecture_changed (new_gdbarch); |
| registers_changed (); |
| } |
| |
| extern void _initialize_gdbarch (void); |
| |
| void |
| _initialize_gdbarch (void) |
| { |
| add_setshow_zinteger_cmd ("arch", class_maintenance, &gdbarch_debug, _("\\ |
| Set architecture debugging."), _("\\ |
| Show architecture debugging."), _("\\ |
| When non-zero, architecture debugging is enabled."), |
| NULL, |
| show_gdbarch_debug, |
| &setdebuglist, &showdebuglist); |
| } |
| EOF |
| |
| # close things off |
| exec 1>&2 |
| #../move-if-change new-gdbarch.c gdbarch.c |
| compare_new gdbarch.c |