X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Fgdbarch.sh;h=216a47f852a7c8ce8af298c03a8cbb91858faab4;hb=88c72b7d7171d9f162ed9ecca26cf1d45abc38ee;hp=dcf32306cf581b0374178a8f18f1f86ae9ed34d0;hpb=193e3b1a003032346e7eea1f7301de2809d6013d;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/gdbarch.sh b/gdb/gdbarch.sh index dcf32306cf..216a47f852 100755 --- a/gdb/gdbarch.sh +++ b/gdb/gdbarch.sh @@ -1,4 +1,4 @@ -#!/usr/local/bin/bash -u +#!/bin/sh -u # Architecture commands for GDB, the GNU debugger. # Copyright 1998-2000 Free Software Foundation, Inc. @@ -22,7 +22,7 @@ compare_new () { file=$1 - if ! test -r ${file} + if test ! -r ${file} then echo "${file} missing? cp new-${file} ${file}" 1>&2 elif diff -c ${file} new-${file} @@ -39,46 +39,90 @@ read="class level macro returntype function formal actual attrib staticdefault p do_read () { - if eval read $read - then - test "${staticdefault}" || staticdefault=0 - # NOT YET: Breaks BELIEVE_PCC_PROMOTION and confuses non- - # multi-arch defaults. - # test "${predefault}" || predefault=0 - test "${fmt}" || fmt="%ld" - test "${print}" || print="(long) ${macro}" - case "${invalid_p}" in - 0 ) valid_p=1 ;; - "" ) - if [ "${predefault}" ] - then - #invalid_p="gdbarch->${function} == ${predefault}" - valid_p="gdbarch->${function} != ${predefault}" - else - #invalid_p="gdbarch->${function} == 0" - valid_p="gdbarch->${function} != 0" - fi - ;; - * ) valid_p="!(${invalid_p})" - 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 [ "${postdefault}" != "" ] + comment="" + class="" + while read line + do + if test "${line}" = "" then - fallbackdefault="${postdefault}" - elif [ "${predefault}" != "" ] + continue + elif test "${line}" = "#" -a "${comment}" = "" then - fallbackdefault="${predefault}" + continue + elif expr "${line}" : "#" > /dev/null + then + comment="${comment} +${line}" else - fallbackdefault="" + + # 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 ${read} < Call a custom function to do the dump. # exp -> Wrap print up in ``if (${print_p}) ... # ``'' -> No predicate @@ -263,42 +308,80 @@ do esac done -IFS=: function_list () { # See below (DOCO) for description of each field - cat <printable_name:TARGET_ARCHITECTURE != NULL # i:2:TARGET_BYTE_ORDER:int:byte_order::::BIG_ENDIAN +# Number of bits in a char or unsigned char for the target machine. +# Just like CHAR_BIT in but describes the target machine. +# v::TARGET_CHAR_BIT:int:char_bit::::8 * sizeof (char):8::0: # -v:1:TARGET_BFD_VMA_BIT:int:bfd_vma_bit::::8 * sizeof (void*):TARGET_ARCHITECTURE->bits_per_address::0 -v:1:TARGET_PTR_BIT:int:ptr_bit::::8 * sizeof (void*):0 -#v:1:TARGET_CHAR_BIT:int:char_bit::::8 * sizeof (char):0 -v:1:TARGET_SHORT_BIT:int:short_bit::::8 * sizeof (short):0 -v:1:TARGET_INT_BIT:int:int_bit::::8 * sizeof (int):0 -v:1:TARGET_LONG_BIT:int:long_bit::::8 * sizeof (long):0 -v:1:TARGET_LONG_LONG_BIT:int:long_long_bit::::8 * sizeof (LONGEST):0 -v:1:TARGET_FLOAT_BIT:int:float_bit::::8 * sizeof (float):0 -v:1:TARGET_DOUBLE_BIT:int:double_bit::::8 * sizeof (double):0 -v:1:TARGET_LONG_DOUBLE_BIT:int:long_double_bit::::8 * sizeof (long double):0 -v:1:IEEE_FLOAT:int:ieee_float::::0:0::0::: +# Number of bits in a short or unsigned short for the target machine. +v::TARGET_SHORT_BIT:int:short_bit::::8 * sizeof (short):2*TARGET_CHAR_BIT::0 +# Number of bits in an int or unsigned int for the target machine. +v::TARGET_INT_BIT:int:int_bit::::8 * sizeof (int):4*TARGET_CHAR_BIT::0 +# Number of bits in a long or unsigned long for the target machine. +v::TARGET_LONG_BIT:int:long_bit::::8 * sizeof (long):4*TARGET_CHAR_BIT::0 +# Number of bits in a long long or unsigned long long for the target +# machine. +v::TARGET_LONG_LONG_BIT:int:long_long_bit::::8 * sizeof (LONGEST):2*TARGET_LONG_BIT::0 +# Number of bits in a float for the target machine. +v::TARGET_FLOAT_BIT:int:float_bit::::8 * sizeof (float):4*TARGET_CHAR_BIT::0 +# Number of bits in a double for the target machine. +v::TARGET_DOUBLE_BIT:int:double_bit::::8 * sizeof (double):8*TARGET_CHAR_BIT::0 +# Number of bits in a long double for the target machine. +v::TARGET_LONG_DOUBLE_BIT:int:long_double_bit::::8 * sizeof (long double):2*TARGET_DOUBLE_BIT::0 +# For most targets, a pointer on the target and its representation as an +# address in GDB have the same size and "look the same". For such a +# target, you need only set TARGET_PTR_BIT / ptr_bit and TARGET_ADDR_BIT +# / addr_bit will be set from it. # -f:1:TARGET_READ_PC:CORE_ADDR:read_pc:int pid:pid::0:0 -f:1:TARGET_WRITE_PC:void:write_pc:CORE_ADDR val, int pid:val, pid::0:0 -f:1:TARGET_READ_FP:CORE_ADDR:read_fp:void:::0:0 -f:1:TARGET_WRITE_FP:void:write_fp:CORE_ADDR val:val::0:0 -f:1:TARGET_READ_SP:CORE_ADDR:read_sp:void:::0:0 -f:1:TARGET_WRITE_SP:void:write_sp:CORE_ADDR val:val::0:0 +# If TARGET_PTR_BIT and TARGET_ADDR_BIT are different, you'll probably +# also need to set POINTER_TO_ADDRESS and ADDRESS_TO_POINTER as well. +# +# ptr_bit is the size of a pointer on the target +v::TARGET_PTR_BIT:int:ptr_bit::::8 * sizeof (void*):TARGET_INT_BIT::0 +# addr_bit is the size of a target address as represented in gdb +v::TARGET_ADDR_BIT:int:addr_bit::::8 * sizeof (void*):0:TARGET_PTR_BIT: +# Number of bits in a BFD_VMA for the target object file format. +v::TARGET_BFD_VMA_BIT:int:bfd_vma_bit::::8 * sizeof (void*):TARGET_ARCHITECTURE->bits_per_address::0 +# +v::IEEE_FLOAT:int:ieee_float::::0:0::0::: +# +f::TARGET_READ_PC:CORE_ADDR:read_pc:int pid:pid::0:generic_target_read_pc::0 +f::TARGET_WRITE_PC:void:write_pc:CORE_ADDR val, int pid:val, pid::0:generic_target_write_pc::0 +f::TARGET_READ_FP:CORE_ADDR:read_fp:void:::0:generic_target_read_fp::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 # v:2:NUM_REGS: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:2:NUM_PSEUDO_REGS:int:num_pseudo_regs::::0:0::0::: v:2:SP_REGNUM:int:sp_regnum::::0:-1 v:2:FP_REGNUM:int:fp_regnum::::0:-1 v:2:PC_REGNUM:int:pc_regnum::::0:-1 v:2:FP0_REGNUM:int:fp0_regnum::::0:-1::0 v:2:NPC_REGNUM:int:npc_regnum::::0:-1::0 v:2:NNPC_REGNUM:int:nnpc_regnum::::0:-1::0 +# Convert stab register number (from \`r\' declaration) to a gdb REGNUM. +f:2:STAB_REG_TO_REGNUM:int:stab_reg_to_regnum:int stab_regnr:stab_regnr:::no_op_reg_to_regnum::0 +# Provide a default mapping from a ecoff register number to a gdb REGNUM. +f:2:ECOFF_REG_TO_REGNUM:int:ecoff_reg_to_regnum:int ecoff_regnr:ecoff_regnr:::no_op_reg_to_regnum::0 +# Provide a default mapping from a DWARF register number to a gdb REGNUM. +f:2:DWARF_REG_TO_REGNUM:int:dwarf_reg_to_regnum:int dwarf_regnr:dwarf_regnr:::no_op_reg_to_regnum::0 +# Convert from an sdb register number to an internal gdb register number. +# This should be defined in tm.h, if REGISTER_NAMES is not set up +# to map one to one onto the sdb register numbers. +f:2:SDB_REG_TO_REGNUM:int:sdb_reg_to_regnum:int sdb_regnr:sdb_regnr:::no_op_reg_to_regnum::0 +f:2:DWARF2_REG_TO_REGNUM:int:dwarf2_reg_to_regnum:int dwarf2_regnr:dwarf2_regnr:::no_op_reg_to_regnum::0 f:2:REGISTER_NAME:char *:register_name:int regnr:regnr:::legacy_register_name::0 v:2:REGISTER_SIZE:int:register_size::::0:-1 v:2:REGISTER_BYTES:int:register_bytes::::0:-1 @@ -308,12 +391,16 @@ 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 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 +# MAP a GDB RAW register number onto a simulator register number. See +# also include/...-sim.h. +f:2:REGISTER_SIM_REGNO:int:register_sim_regno:int reg_nr:reg_nr:::default_register_sim_regno::0 # v:1:USE_GENERIC_DUMMY_FRAMES:int:use_generic_dummy_frames::::0:-1 v:2:CALL_DUMMY_LOCATION:int:call_dummy_location::::0:0 f:2:CALL_DUMMY_ADDRESS:CORE_ADDR:call_dummy_address:void:::0:0::gdbarch->call_dummy_location == AT_ENTRY_POINT && gdbarch->call_dummy_address == 0 v:2:CALL_DUMMY_START_OFFSET:CORE_ADDR:call_dummy_start_offset::::0:-1:::0x%08lx -v:2:CALL_DUMMY_BREAKPOINT_OFFSET:CORE_ADDR:call_dummy_breakpoint_offset::::0:-1:::0x%08lx +v:2:CALL_DUMMY_BREAKPOINT_OFFSET:CORE_ADDR:call_dummy_breakpoint_offset::::0:-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 @@ -332,6 +419,14 @@ f:1:GET_SAVED_REGISTER:void:get_saved_register:char *raw_buffer, int *optimized, f:1:REGISTER_CONVERTIBLE:int:register_convertible:int nr:nr:::generic_register_convertible_not::0 f:2:REGISTER_CONVERT_TO_VIRTUAL:void:register_convert_to_virtual:int regnum, struct type *type, char *from, char *to:regnum, type, from, to:::0::0 f:2:REGISTER_CONVERT_TO_RAW:void:register_convert_to_raw:struct type *type, int regnum, char *from, char *to:type, regnum, from, to:::0::0 +# 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 +# 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: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 @@ -381,40 +476,37 @@ f:2:SAVED_PC_AFTER_CALL:CORE_ADDR:saved_pc_after_call:struct frame_info *frame:f f:2:FRAME_NUM_ARGS:int:frame_num_args:struct frame_info *frame:frame::0:0 # F:2:STACK_ALIGN:CORE_ADDR:stack_align:CORE_ADDR sp:sp::0:0 +v:1:EXTRA_STACK_ALIGNMENT_NEEDED:int:extra_stack_alignment_needed::::0:1::0::: F:2:REG_STRUCT_HAS_ADDR:int:reg_struct_has_addr:int gcc_p, struct type *type:gcc_p, type::0:0 F:2:SAVE_DUMMY_FRAME_TOS:void:save_dummy_frame_tos:CORE_ADDR sp:sp::0:0 # v:2: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 EOF - grep -v '^#' } # # The .log file # exec > new-gdbarch.log -function_list | while do_read # eval read $read +function_list | while do_read do cat <&2 + echo "Error: predicate function ${macro} can not have a non- multi-arch default" 1>&2 kill $$ exit 1 fi @@ -424,6 +516,7 @@ EOF kill $$ exit 1 fi + echo "" done exec 1>&2 @@ -457,13 +550,13 @@ cat < 1) || !defined (${macro})" - echo "#define ${macro} (gdbarch_${function} (current_gdbarch))" - echo "#endif" - echo "#endif" + printf "\n" + printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n" + printf "/* set_gdbarch_${function}() - not applicable - pre-initialized. */\n" + printf "#if GDB_MULTI_ARCH\n" + printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (${macro})\n" + printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n" + printf "#endif\n" + printf "#endif\n" fi done # function typedef's -echo "" -echo "" -echo "/* The following are initialized by the target dependant code. */" -function_list | while do_read # eval read $read +printf "\n" +printf "\n" +printf "/* The following are initialized by the target dependent code. */\n" +function_list | while do_read do + if [ "${comment}" ] + then + echo "${comment}" | sed \ + -e '2 s,#,/*,' \ + -e '3,$ s,#, ,' \ + -e '$ s,$, */,' + fi if class_is_predicate_p then - echo "" - echo "#if defined (${macro})" - echo "/* Legacy for systems yet to multi-arch ${macro} */" -# echo "#if (GDB_MULTI_ARCH <= 2) && defined (${macro})" - echo "#define ${macro}_P() (1)" - echo "#endif" - echo "" - echo "/* Default predicate for non- multi-arch targets. */" - echo "#if (GDB_MULTI_ARCH == 0) && !defined (${macro}_P)" - echo "#define ${macro}_P() (0)" - echo "#endif" - echo "" - echo "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);" - echo "#if (GDB_MULTI_ARCH > 1) || !defined (${macro}_P)" - echo "#define ${macro}_P() (gdbarch_${function}_p (current_gdbarch))" - echo "#endif" + printf "\n" + printf "#if defined (${macro})\n" + printf "/* Legacy for systems yet to multi-arch ${macro} */\n" +# printf "#if (GDB_MULTI_ARCH <= GDB_MULTI_ARCH_PARTIAL) && defined (${macro})\n" + printf "#define ${macro}_P() (1)\n" + printf "#endif\n" + printf "\n" + printf "/* Default predicate for non- multi-arch targets. */\n" + printf "#if (!GDB_MULTI_ARCH) && !defined (${macro}_P)\n" + printf "#define ${macro}_P() (0)\n" + printf "#endif\n" + printf "\n" + printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n" + printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (${macro}_P)\n" + printf "#define ${macro}_P() (gdbarch_${function}_p (current_gdbarch))\n" + printf "#endif\n" fi if class_is_variable_p then if fallback_default_p || class_is_predicate_p then - echo "" - echo "/* Default (value) for non- multi-arch platforms. */" - echo "#if (GDB_MULTI_ARCH == 0) && !defined (${macro})" + printf "\n" + printf "/* Default (value) for non- multi-arch platforms. */\n" + printf "#if (!GDB_MULTI_ARCH) && !defined (${macro})\n" echo "#define ${macro} (${fallbackdefault})" \ | sed -e 's/\([^a-z_]\)\(gdbarch[^a-z_]\)/\1current_\2/g' - echo "#endif" + printf "#endif\n" fi - echo "" - echo "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);" - echo "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, ${returntype} ${function});" - echo "#if GDB_MULTI_ARCH" - echo "#if (GDB_MULTI_ARCH > 1) || !defined (${macro})" - echo "#define ${macro} (gdbarch_${function} (current_gdbarch))" - echo "#endif" - echo "#endif" + printf "\n" + printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n" + printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, ${returntype} ${function});\n" + printf "#if GDB_MULTI_ARCH\n" + printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (${macro})\n" + printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n" + printf "#endif\n" + printf "#endif\n" fi if class_is_function_p then if fallback_default_p || class_is_predicate_p then - echo "" - echo "/* Default (function) for non- multi-arch platforms. */" - echo "#if (GDB_MULTI_ARCH == 0) && !defined (${macro})" + printf "\n" + printf "/* Default (function) for non- multi-arch platforms. */\n" + printf "#if (!GDB_MULTI_ARCH) && !defined (${macro})\n" if [ "${fallbackdefault}" = "0" ] then - echo "#define ${macro}(${actual}) (internal_error (\"${macro}\"), 0)" + printf "#define ${macro}(${actual}) (internal_error (\"${macro}\"), 0)\n" else # FIXME: Should be passing current_gdbarch through! echo "#define ${macro}(${actual}) (${fallbackdefault} (${actual}))" \ | sed -e 's/\([^a-z_]\)\(gdbarch[^a-z_]\)/\1current_\2/g' fi - echo "#endif" + printf "#endif\n" fi - echo "" - echo "typedef ${returntype} (gdbarch_${function}_ftype) (${formal});" + printf "\n" + printf "typedef ${returntype} (gdbarch_${function}_ftype) (${formal});\n" if [ "${formal}" = "void" ] then - echo "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);" + printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n" else - echo "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch, ${formal});" + printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch, ${formal});\n" fi - echo "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, gdbarch_${function}_ftype *${function});" - echo "#if GDB_MULTI_ARCH" - echo "#if (GDB_MULTI_ARCH > 1) || !defined (${macro})" + printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, gdbarch_${function}_ftype *${function});\n" + printf "#if GDB_MULTI_ARCH\n" + printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (${macro})\n" if [ "${actual}" = "" ] then - echo "#define ${macro}() (gdbarch_${function} (current_gdbarch))" + printf "#define ${macro}() (gdbarch_${function} (current_gdbarch))\n" elif [ "${actual}" = "-" ] then - echo "#define ${macro} (gdbarch_${function} (current_gdbarch))" + printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n" else - echo "#define ${macro}(${actual}) (gdbarch_${function} (current_gdbarch, ${actual}))" + printf "#define ${macro}(${actual}) (gdbarch_${function} (current_gdbarch, ${actual}))\n" fi - echo "#endif" - echo "#endif" + printf "#endif\n" + printf "#endif\n" fi done @@ -632,7 +724,7 @@ extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch); The mechanisms below ensures that there is only a loose connection between the set-architecture command and the various GDB - components. Each component can independantly register their need + components. Each component can independently register their need to maintain architecture specific data with gdbarch. Pragmatics: @@ -642,7 +734,7 @@ extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch); The more traditional mega-struct containing architecture specific data for all the various GDB components was also considered. Since - GDB is built from a variable number of (fairly independant) + GDB is built from a variable number of (fairly independent) components it was determined that the global aproach was not applicable. */ @@ -666,12 +758,15 @@ extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch); that the INFO.BYTE_ORDER is non-zero. The INIT function shall return any of: NULL - indicating that it - doesn't reconize the selected architecture; an existing \`\`struct + doesn't recognize the selected architecture; an existing \`\`struct gdbarch'' from the ARCHES list - indicating that the new architecture is just a synonym for an earlier architecture (see gdbarch_list_lookup_by_info()); a newly created \`\`struct gdbarch'' - - that describes the selected architecture (see - gdbarch_alloc()). */ + - that describes the selected architecture (see gdbarch_alloc()). + + The DUMP_TDEP function shall print out all target specific values. + Care should be taken to ensure that the function works in both the + multi-arch and non- multi-arch cases. */ struct gdbarch_list { @@ -698,9 +793,23 @@ struct gdbarch_info }; 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. */ @@ -716,7 +825,10 @@ extern struct gdbarch_list *gdbarch_list_lookup_by_info (struct gdbarch_list *ar extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gdbarch_tdep *tdep); -/* Helper function. Free a partially-constructed \`\`struct gdbarch''. */ +/* Helper function. Free a partially-constructed \`\`struct gdbarch''. + It is assumed that the caller freeds the \`\`struct + gdbarch_tdep''. */ + extern void gdbarch_free (struct gdbarch *); @@ -725,13 +837,15 @@ extern void gdbarch_free (struct gdbarch *); architecture manipulation commands. The INFO parameter shall be fully initialized (\`\`memset (&INFO, - sizeof (info), 0)'' set relevant fields) before gdbarch_update() is - called. gdbarch_update() shall initialize any \`\`default'' fields - using information obtained from the previous architecture or + 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. */ + architectures INIT function. + + Returns non-zero if the update succeeds */ -extern int gdbarch_update (struct gdbarch_info info); +extern int gdbarch_update_p (struct gdbarch_info info); @@ -780,7 +894,7 @@ extern void register_gdbarch_swap (void *data, unsigned long size, gdbarch_swap_ -/* The target-system-dependant byte order is dynamic */ +/* The target-system-dependent byte order is dynamic */ /* TARGET_BYTE_ORDER_SELECTABLE_P determines if the target endianness is selectable at runtime. The user can use the \`\`set endian'' @@ -820,7 +934,7 @@ extern int target_byte_order_auto; -/* The target-system-dependant BFD architecture is dynamic */ +/* The target-system-dependent BFD architecture is dynamic */ extern int target_architecture_auto; #ifndef TARGET_ARCHITECTURE_AUTO @@ -832,15 +946,8 @@ extern const struct bfd_arch_info *target_architecture; #define TARGET_ARCHITECTURE (target_architecture + 0) #endif -/* Notify the target dependant backend of a change to the selected - architecture. A zero return status indicates that the target did - not like the change. */ -extern int (*target_architecture_hook) (const struct bfd_arch_info *); - - - -/* The target-system-dependant disassembler is semi-dynamic */ +/* The target-system-dependent disassembler is semi-dynamic */ #include "dis-asm.h" /* Get defs for disassemble_info */ @@ -881,18 +988,12 @@ extern disassemble_info tm_print_insn_info; #endif -/* Set the dynamic target-system-dependant parameters (architecture, +/* Set the dynamic target-system-dependent parameters (architecture, byte-order, ...) using information found in the BFD */ extern void set_gdbarch_from_file (bfd *); -/* Explicitly set the dynamic target-system-dependant parameters based - on bfd_architecture and machine. */ - -extern void set_architecture_from_arch_mach (enum bfd_architecture, unsigned long); - - /* Initialize the current architecture to the "first" one we find on our list. */ @@ -902,7 +1003,7 @@ extern void initialize_current_architecture (void); /* gdbarch trace variable */ extern int gdbarch_debug; -extern void gdbarch_dump (void); +extern void gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file); #endif EOF @@ -971,30 +1072,31 @@ int gdbarch_debug = GDBARCH_DEBUG; EOF # gdbarch open the gdbarch object -echo "" -echo "/* Maintain the struct gdbarch object */" -echo "" -echo "struct gdbarch" -echo "{" -echo " /* basic architectural information */" -function_list | while do_read # eval read $read +printf "\n" +printf "/* Maintain the struct gdbarch object */\n" +printf "\n" +printf "struct gdbarch\n" +printf "{\n" +printf " /* basic architectural information */\n" +function_list | while do_read do if class_is_info_p then - echo " ${returntype} ${function};" + printf " ${returntype} ${function};\n" fi done -echo "" -echo " /* target specific vector. */" -echo " struct gdbarch_tdep *tdep;" -echo "" -echo " /* per-architecture data-pointers */" -echo " int nr_data;" -echo " void **data;" -echo "" -echo " /* per-architecture swap-regions */" -echo " struct gdbarch_swap *swap;" -echo "" +printf "\n" +printf " /* target specific vector. */\n" +printf " struct gdbarch_tdep *tdep;\n" +printf " gdbarch_dump_tdep_ftype *dump_tdep;\n" +printf "\n" +printf " /* per-architecture data-pointers */\n" +printf " int nr_data;\n" +printf " void **data;\n" +printf "\n" +printf " /* per-architecture swap-regions */\n" +printf " struct gdbarch_swap *swap;\n" +printf "\n" cat <tdep = tdep; EOF -echo "" -function_list | while do_read # eval read $read +printf "\n" +function_list | while do_read do if class_is_info_p then - echo " gdbarch->${function} = info->${function};" + printf " gdbarch->${function} = info->${function};\n" fi done -echo "" -echo " /* Force the explicit initialization of these. */" -function_list | while do_read # eval read $read +printf "\n" +printf " /* Force the explicit initialization of these. */\n" +function_list | while do_read do if class_is_function_p || class_is_variable_p then if [ "${predefault}" != "" -a "${predefault}" != "0" ] then - echo " gdbarch->${function} = ${predefault};" + printf " gdbarch->${function} = ${predefault};\n" fi fi done @@ -1120,14 +1224,15 @@ cat <byte_order == 0) @@ -1155,39 +1260,39 @@ verify_gdbarch (struct gdbarch *gdbarch) internal_error ("verify_gdbarch: bfd_arch_info unset"); /* Check those that need to be defined for the given multi-arch level. */ EOF -function_list | while do_read # eval read $read +function_list | while do_read do if class_is_function_p || class_is_variable_p then if [ "${invalid_p}" = "0" ] then - echo " /* Skip verify of ${function}, invalid_p == 0 */" + printf " /* Skip verify of ${function}, invalid_p == 0 */\n" elif class_is_predicate_p then - echo " /* Skip verify of ${function}, has predicate */" + printf " /* Skip verify of ${function}, has predicate */\n" # FIXME: See do_read for potential simplification elif [ "${invalid_p}" -a "${postdefault}" ] then - echo " if (${invalid_p})" - echo " gdbarch->${function} = ${postdefault};" + printf " if (${invalid_p})\n" + printf " gdbarch->${function} = ${postdefault};\n" elif [ "${predefault}" -a "${postdefault}" ] then - echo " if (gdbarch->${function} == ${predefault})" - echo " gdbarch->${function} = ${postdefault};" + printf " if (gdbarch->${function} == ${predefault})\n" + printf " gdbarch->${function} = ${postdefault};\n" elif [ "${postdefault}" ] then - echo " if (gdbarch->${function} == 0)" - echo " gdbarch->${function} = ${postdefault};" + printf " if (gdbarch->${function} == 0)\n" + printf " gdbarch->${function} = ${postdefault};\n" elif [ "${invalid_p}" ] then - echo " if ((GDB_MULTI_ARCH >= ${level})" - echo " && (${invalid_p}))" - echo " internal_error (\"gdbarch: verify_gdbarch: ${function} invalid\");" + printf " if ((GDB_MULTI_ARCH >= ${level})\n" + printf " && (${invalid_p}))\n" + printf " internal_error (\"gdbarch: verify_gdbarch: ${function} invalid\");\n" elif [ "${predefault}" ] then - echo " if ((GDB_MULTI_ARCH >= ${level})" - echo " && (gdbarch->${function} == ${predefault}))" - echo " internal_error (\"gdbarch: verify_gdbarch: ${function} invalid\");" + printf " if ((GDB_MULTI_ARCH >= ${level})\n" + printf " && (gdbarch->${function} == ${predefault}))\n" + printf " internal_error (\"gdbarch: verify_gdbarch: ${function} invalid\");\n" fi fi done @@ -1196,144 +1301,179 @@ cat <${function}" - echo " /*${macro} ()*/);" + printf " fprintf_unfiltered (file,\n" + printf " \"gdbarch_dump: %%s # %%s\\\\n\",\n" + printf " \"${macro}(${actual})\",\n" + printf " XSTRING (${macro} (${actual})));\n" else - if [ "${print_p}" ] - then - echo " if (${print_p})" - echo " fprintf_unfiltered (gdb_stdlog," - echo " \"gdbarch_update: ${macro} = ${fmt}\\n\"," - echo " ${print});" - else - echo " fprintf_unfiltered (gdb_stdlog," - echo " \"gdbarch_update: ${macro} = ${fmt}\\n\"," - echo " ${print});" - fi + printf " fprintf_unfiltered (file,\n" + printf " \"gdbarch_dump: ${macro} # %%s\\\\n\",\n" + printf " XSTRING (${macro}));\n" + fi + printf "#endif\n" +done +function_list | while do_read +do + printf "#ifdef ${macro}\n" + if [ "${print_p}" = "()" ] + then + printf " gdbarch_dump_${function} (current_gdbarch);\n" + elif [ "${print_p}" = "0" ] + then + printf " /* skip print of ${macro}, print_p == 0. */\n" + elif [ "${print_p}" ] + then + printf " if (${print_p})\n" + printf " fprintf_unfiltered (file,\n" + printf " \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}" + printf " ${print});\n" + elif class_is_function_p + then + printf " if (GDB_MULTI_ARCH)\n" + printf " fprintf_unfiltered (file,\n" + printf " \"gdbarch_dump: ${macro} = 0x%%08lx\\\\n\",\n" + printf " (long) current_gdbarch->${function}\n" + printf " /*${macro} ()*/);\n" + else + printf " fprintf_unfiltered (file,\n" + printf " \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}" + printf " ${print});\n" fi - echo "#endif" + printf "#endif\n" done cat <dump_tdep != NULL) + current_gdbarch->dump_tdep (current_gdbarch, file); } EOF # GET/SET -echo "" +printf "\n" cat <= 2) - fprintf_unfiltered (gdb_stdlog, "gdbarch_tdep called\n"); + fprintf_unfiltered (gdb_stdlog, "gdbarch_tdep called\\n"); return gdbarch->tdep; } EOF -echo "" -function_list | while do_read # eval read $read +printf "\n" +function_list | while do_read do if class_is_predicate_p then - echo "" - echo "int" - echo "gdbarch_${function}_p (struct gdbarch *gdbarch)" - echo "{" + printf "\n" + printf "int\n" + printf "gdbarch_${function}_p (struct gdbarch *gdbarch)\n" + printf "{\n" if [ "${valid_p}" ] then - echo " return ${valid_p};" + printf " return ${valid_p};\n" else - echo "#error \"gdbarch_${function}_p: not defined\"" + printf "#error \"gdbarch_${function}_p: not defined\"\n" fi - echo "}" + printf "}\n" fi if class_is_function_p then - echo "" - echo "${returntype}" + printf "\n" + printf "${returntype}\n" if [ "${formal}" = "void" ] then - echo "gdbarch_${function} (struct gdbarch *gdbarch)" + printf "gdbarch_${function} (struct gdbarch *gdbarch)\n" else - echo "gdbarch_${function} (struct gdbarch *gdbarch, ${formal})" + printf "gdbarch_${function} (struct gdbarch *gdbarch, ${formal})\n" fi - echo "{" - echo " if (gdbarch->${function} == 0)" - echo " internal_error (\"gdbarch: gdbarch_${function} invalid\");" - echo " if (gdbarch_debug >= 2)" - echo " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\n\");" + printf "{\n" + printf " if (gdbarch->${function} == 0)\n" + printf " internal_error (\"gdbarch: gdbarch_${function} invalid\");\n" + printf " if (gdbarch_debug >= 2)\n" + printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n" test "${actual}" = "-" && actual="" if [ "${returntype}" = "void" ] then - echo " gdbarch->${function} (${actual});" + printf " gdbarch->${function} (${actual});\n" else - echo " return gdbarch->${function} (${actual});" + printf " return gdbarch->${function} (${actual});\n" fi - echo "}" - echo "" - echo "void" - echo "set_gdbarch_${function} (struct gdbarch *gdbarch," - echo " `echo ${function} | sed -e 's/./ /g'` gdbarch_${function}_ftype ${function})" - echo "{" - echo " gdbarch->${function} = ${function};" - echo "}" + printf "}\n" + printf "\n" + printf "void\n" + printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n" + printf " `echo ${function} | sed -e 's/./ /g'` gdbarch_${function}_ftype ${function})\n" + printf "{\n" + printf " gdbarch->${function} = ${function};\n" + printf "}\n" elif class_is_variable_p then - echo "" - echo "${returntype}" - echo "gdbarch_${function} (struct gdbarch *gdbarch)" - echo "{" + printf "\n" + printf "${returntype}\n" + printf "gdbarch_${function} (struct gdbarch *gdbarch)\n" + printf "{\n" if [ "${invalid_p}" = "0" ] then - echo " /* Skip verify of ${function}, invalid_p == 0 */" + printf " /* Skip verify of ${function}, invalid_p == 0 */\n" elif [ "${invalid_p}" ] then - echo " if (${invalid_p})" - echo " internal_error (\"gdbarch: gdbarch_${function} invalid\");" + printf " if (${invalid_p})\n" + printf " internal_error (\"gdbarch: gdbarch_${function} invalid\");\n" elif [ "${predefault}" ] then - echo " if (gdbarch->${function} == ${predefault})" - echo " internal_error (\"gdbarch: gdbarch_${function} invalid\");" + printf " if (gdbarch->${function} == ${predefault})\n" + printf " internal_error (\"gdbarch: gdbarch_${function} invalid\");\n" fi - echo " if (gdbarch_debug >= 2)" - echo " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\n\");" - echo " return gdbarch->${function};" - echo "}" - echo "" - echo "void" - echo "set_gdbarch_${function} (struct gdbarch *gdbarch," - echo " `echo ${function} | sed -e 's/./ /g'` ${returntype} ${function})" - echo "{" - echo " gdbarch->${function} = ${function};" - echo "}" + printf " if (gdbarch_debug >= 2)\n" + printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${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} = ${function};\n" + printf "}\n" elif class_is_info_p then - echo "" - echo "${returntype}" - echo "gdbarch_${function} (struct gdbarch *gdbarch)" - echo "{" - echo " if (gdbarch_debug >= 2)" - echo " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\n\");" - echo " return gdbarch->${function};" - echo "}" + printf "\n" + printf "${returntype}\n" + printf "gdbarch_${function} (struct gdbarch *gdbarch)\n" + printf "{\n" + printf " if (gdbarch_debug >= 2)\n" + printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n" + printf " return gdbarch->${function};\n" + printf "}\n" fi done @@ -1341,7 +1481,7 @@ done cat <next); (*curr) = XMALLOC (struct gdbarch_data_registration); (*curr)->next = NULL; (*curr)->init = init; (*curr)->data = XMALLOC (struct gdbarch_data); - (*curr)->data->index = gdbarch_data_registrary.nr++; + (*curr)->data->index = gdbarch_data_registry.nr++; return (*curr)->data; } @@ -1389,9 +1529,9 @@ static void init_gdbarch_data (struct gdbarch *gdbarch) { struct gdbarch_data_registration *rego; - gdbarch->nr_data = gdbarch_data_registrary.nr + 1; + gdbarch->nr_data = gdbarch_data_registry.nr + 1; gdbarch->data = xmalloc (sizeof (void*) * gdbarch->nr_data); - for (rego = gdbarch_data_registrary.registrations; + for (rego = gdbarch_data_registry.registrations; rego != NULL; rego = rego->next) { @@ -1405,8 +1545,7 @@ init_gdbarch_data (struct gdbarch *gdbarch) data-pointer. */ void * -gdbarch_data (data) - struct gdbarch_data *data; +gdbarch_data (struct gdbarch_data *data) { if (data->index >= current_gdbarch->nr_data) internal_error ("gdbarch_data: request for non-existant data."); @@ -1415,7 +1554,7 @@ gdbarch_data (data) -/* Keep a registrary of swaped data required by GDB modules. */ +/* Keep a registry of swapped data required by GDB modules. */ struct gdbarch_swap { @@ -1432,13 +1571,13 @@ struct gdbarch_swap_registration struct gdbarch_swap_registration *next; }; -struct gdbarch_swap_registrary +struct gdbarch_swap_registry { int nr; struct gdbarch_swap_registration *registrations; }; -struct gdbarch_swap_registrary gdbarch_swap_registrary = +struct gdbarch_swap_registry gdbarch_swap_registry = { 0, NULL, }; @@ -1449,7 +1588,7 @@ register_gdbarch_swap (void *data, gdbarch_swap_ftype *init) { struct gdbarch_swap_registration **rego; - for (rego = &gdbarch_swap_registrary.registrations; + for (rego = &gdbarch_swap_registry.registrations; (*rego) != NULL; rego = &(*rego)->next); (*rego) = XMALLOC (struct gdbarch_swap_registration); @@ -1465,7 +1604,7 @@ init_gdbarch_swap (struct gdbarch *gdbarch) { struct gdbarch_swap_registration *rego; struct gdbarch_swap **curr = &gdbarch->swap; - for (rego = gdbarch_swap_registrary.registrations; + for (rego = gdbarch_swap_registry.registrations; rego != NULL; rego = rego->next) { @@ -1504,32 +1643,78 @@ swapin_gdbarch_swap (struct gdbarch *gdbarch) } -/* Keep a registrary of the architectures known by GDB. */ +/* Keep a registry of the architectures known by GDB. */ -struct gdbarch_init_registration +struct gdbarch_registration { enum bfd_architecture bfd_architecture; gdbarch_init_ftype *init; + gdbarch_dump_tdep_ftype *dump_tdep; struct gdbarch_list *arches; - struct gdbarch_init_registration *next; + struct gdbarch_registration *next; }; -static struct gdbarch_init_registration *gdbarch_init_registrary = NULL; +static struct gdbarch_registration *gdbarch_registry = NULL; + +static void +append_name (const char ***buf, int *nr, const char *name) +{ + *buf = xrealloc (*buf, sizeof (char**) * (*nr + 1)); + (*buf)[*nr] = name; + *nr += 1; +} + +const char ** +gdbarch_printable_names (void) +{ + if (GDB_MULTI_ARCH) + { + /* Accumulate a list of names based on the registed list of + architectures. */ + enum bfd_architecture a; + int nr_arches = 0; + const char **arches = NULL; + struct gdbarch_registration *rego; + for (rego = gdbarch_registry; + rego != NULL; + rego = rego->next) + { + const struct bfd_arch_info *ap; + ap = bfd_lookup_arch (rego->bfd_architecture, 0); + if (ap == NULL) + internal_error ("gdbarch_architecture_names: multi-arch unknown"); + do + { + append_name (&arches, &nr_arches, ap->printable_name); + ap = ap->next; + } + while (ap != NULL); + } + append_name (&arches, &nr_arches, NULL); + return arches; + } + else + /* Just return all the architectures that BFD knows. Assume that + the legacy architecture framework supports them. */ + return bfd_arch_list (); +} + void -register_gdbarch_init (enum bfd_architecture bfd_architecture, - gdbarch_init_ftype *init) +gdbarch_register (enum bfd_architecture bfd_architecture, + gdbarch_init_ftype *init, + gdbarch_dump_tdep_ftype *dump_tdep) { - struct gdbarch_init_registration **curr; + struct gdbarch_registration **curr; const struct bfd_arch_info *bfd_arch_info; - /* Check that BFD reconizes this architecture */ + /* Check that BFD recognizes this architecture */ bfd_arch_info = bfd_lookup_arch (bfd_architecture, 0); if (bfd_arch_info == NULL) { internal_error ("gdbarch: Attempt to register unknown architecture (%d)", bfd_architecture); } /* Check that we haven't seen this architecture before */ - for (curr = &gdbarch_init_registrary; + for (curr = &gdbarch_registry; (*curr) != NULL; curr = &(*curr)->next) { @@ -1543,13 +1728,26 @@ register_gdbarch_init (enum bfd_architecture bfd_architecture, bfd_arch_info->printable_name, (long) init); /* Append it */ - (*curr) = XMALLOC (struct gdbarch_init_registration); + (*curr) = XMALLOC (struct gdbarch_registration); (*curr)->bfd_architecture = bfd_architecture; (*curr)->init = init; + (*curr)->dump_tdep = dump_tdep; (*curr)->arches = NULL; (*curr)->next = NULL; + /* When non- multi-arch, install whatever target dump routine we've + been provided - hopefully that routine has been written correctly + and works regardless of multi-arch. */ + if (!GDB_MULTI_ARCH && dump_tdep != NULL + && startup_gdbarch.dump_tdep == NULL) + startup_gdbarch.dump_tdep = dump_tdep; +} + +void +register_gdbarch_init (enum bfd_architecture bfd_architecture, + gdbarch_init_ftype *init) +{ + gdbarch_register (bfd_architecture, init, NULL); } - /* Look for an architecture using gdbarch_info. Base search on only @@ -1575,11 +1773,11 @@ gdbarch_list_lookup_by_info (struct gdbarch_list *arches, failed. */ int -gdbarch_update (struct gdbarch_info info) +gdbarch_update_p (struct gdbarch_info info) { struct gdbarch *new_gdbarch; struct gdbarch_list **list; - struct gdbarch_init_registration *rego; + struct gdbarch_registration *rego; /* Fill in any missing bits. Most important is the bfd_architecture which is used to select the target architecture. */ @@ -1613,38 +1811,40 @@ gdbarch_update (struct gdbarch_info info) /* A default for abfd? */ /* Find the target that knows about this architecture. */ - for (rego = gdbarch_init_registrary; - rego != NULL && rego->bfd_architecture != info.bfd_architecture; - rego = rego->next); + 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"); + fprintf_unfiltered (gdb_stdlog, "gdbarch_update: No matching architecture\\n"); return 0; } if (gdbarch_debug) { fprintf_unfiltered (gdb_stdlog, - "gdbarch_update: info.bfd_architecture %d (%s)\n", + "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" : "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); } @@ -1655,7 +1855,7 @@ gdbarch_update (struct gdbarch_info info) if (new_gdbarch == NULL) { if (gdbarch_debug) - fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Target rejected architecture\n"); + fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Target rejected architecture\\n"); return 0; } @@ -1663,7 +1863,7 @@ gdbarch_update (struct gdbarch_info info) if (current_gdbarch == new_gdbarch) { if (gdbarch_debug) - fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Architecture 0x%08lx (%s) unchanged\n", + fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Architecture 0x%08lx (%s) unchanged\\n", (long) new_gdbarch, new_gdbarch->bfd_arch_info->printable_name); return 1; @@ -1680,7 +1880,8 @@ gdbarch_update (struct gdbarch_info info) if ((*list)->gdbarch == new_gdbarch) { if (gdbarch_debug) - fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Previous architecture 0x%08lx (%s) selected\n", + fprintf_unfiltered (gdb_stdlog, + "gdbarch_update: Previous architecture 0x%08lx (%s) selected\\n", (long) new_gdbarch, new_gdbarch->bfd_arch_info->printable_name); current_gdbarch = new_gdbarch; @@ -1688,7 +1889,7 @@ gdbarch_update (struct gdbarch_info info) return 1; } } - + /* Append this new architecture to this targets list. */ (*list) = XMALLOC (struct gdbarch_list); (*list)->next = NULL; @@ -1699,13 +1900,14 @@ gdbarch_update (struct gdbarch_info info) if (gdbarch_debug) { fprintf_unfiltered (gdb_stdlog, - "gdbarch_update: New architecture 0x%08lx (%s) selected\n", + "gdbarch_update: New architecture 0x%08lx (%s) selected\\n", (long) new_gdbarch, new_gdbarch->bfd_arch_info->printable_name); - gdbarch_dump (); } - /* Check that the newly installed architecture is valid. */ + /* Check that the newly installed architecture is valid. Plug in + any post init values. */ + new_gdbarch->dump_tdep = rego->dump_tdep; verify_gdbarch (new_gdbarch); /* Initialize the per-architecture memory (swap) areas. @@ -1718,345 +1920,10 @@ gdbarch_update (struct gdbarch_info info) must be updated before these modules are called. */ init_gdbarch_data (new_gdbarch); - return 1; -} - - - -/* Functions to manipulate the endianness of the target. */ - -#ifdef TARGET_BYTE_ORDER_SELECTABLE -/* compat - Catch old targets that expect a selectable byte-order to - default to BIG_ENDIAN */ -#ifndef TARGET_BYTE_ORDER_DEFAULT -#define TARGET_BYTE_ORDER_DEFAULT BIG_ENDIAN -#endif -#endif -#if !TARGET_BYTE_ORDER_SELECTABLE_P -#ifndef TARGET_BYTE_ORDER_DEFAULT -/* compat - Catch old non byte-order selectable targets that do not - define TARGET_BYTE_ORDER_DEFAULT and instead expect - TARGET_BYTE_ORDER to be used as the default. For targets that - defined neither TARGET_BYTE_ORDER nor TARGET_BYTE_ORDER_DEFAULT the - below will get a strange compiler warning. */ -#define TARGET_BYTE_ORDER_DEFAULT TARGET_BYTE_ORDER -#endif -#endif -#ifndef TARGET_BYTE_ORDER_DEFAULT -#define TARGET_BYTE_ORDER_DEFAULT BIG_ENDIAN /* arbitrary */ -#endif -int target_byte_order = TARGET_BYTE_ORDER_DEFAULT; -int target_byte_order_auto = 1; - -/* Chain containing the \"set endian\" commands. */ -static struct cmd_list_element *endianlist = NULL; - -/* Called by \`\`show endian''. */ -static void -show_endian (char *args, int from_tty) -{ - char *msg = - (TARGET_BYTE_ORDER_AUTO - ? "The target endianness is set automatically (currently %s endian)\n" - : "The target is assumed to be %s endian\n"); - printf_unfiltered (msg, (TARGET_BYTE_ORDER == BIG_ENDIAN ? "big" : "little")); -} - -/* Called if the user enters \`\`set endian'' without an argument. */ -static void -set_endian (char *args, int from_tty) -{ - printf_unfiltered ("\"set endian\" must be followed by \"auto\", \"big\" or \"little\".\n"); - show_endian (args, from_tty); -} - -/* Called by \`\`set endian big''. */ -static void -set_endian_big (char *args, int from_tty) -{ - if (TARGET_BYTE_ORDER_SELECTABLE_P) - { - target_byte_order = BIG_ENDIAN; - target_byte_order_auto = 0; - if (GDB_MULTI_ARCH) - { - struct gdbarch_info info; - memset (&info, 0, sizeof info); - info.byte_order = BIG_ENDIAN; - gdbarch_update (info); - } - } - else - { - printf_unfiltered ("Byte order is not selectable."); - show_endian (args, from_tty); - } -} - -/* Called by \`\`set endian little''. */ -static void -set_endian_little (char *args, int from_tty) -{ - if (TARGET_BYTE_ORDER_SELECTABLE_P) - { - target_byte_order = LITTLE_ENDIAN; - target_byte_order_auto = 0; - if (GDB_MULTI_ARCH) - { - struct gdbarch_info info; - memset (&info, 0, sizeof info); - info.byte_order = LITTLE_ENDIAN; - gdbarch_update (info); - } - } - else - { - printf_unfiltered ("Byte order is not selectable."); - show_endian (args, from_tty); - } -} - -/* Called by \`\`set endian auto''. */ -static void -set_endian_auto (char *args, int from_tty) -{ - if (TARGET_BYTE_ORDER_SELECTABLE_P) - { - target_byte_order_auto = 1; - } - else - { - printf_unfiltered ("Byte order is not selectable."); - show_endian (args, from_tty); - } -} - -/* Set the endianness from a BFD. */ -static void -set_endian_from_file (bfd *abfd) -{ - if (TARGET_BYTE_ORDER_SELECTABLE_P) - { - int want; - - if (bfd_big_endian (abfd)) - want = BIG_ENDIAN; - else - want = LITTLE_ENDIAN; - if (TARGET_BYTE_ORDER_AUTO) - target_byte_order = want; - else if (TARGET_BYTE_ORDER != want) - warning ("%s endian file does not match %s endian target.", - want == BIG_ENDIAN ? "big" : "little", - TARGET_BYTE_ORDER == BIG_ENDIAN ? "big" : "little"); - } - else - { - if (bfd_big_endian (abfd) - ? TARGET_BYTE_ORDER != BIG_ENDIAN - : TARGET_BYTE_ORDER == BIG_ENDIAN) - warning ("%s endian file does not match %s endian target.", - bfd_big_endian (abfd) ? "big" : "little", - TARGET_BYTE_ORDER == BIG_ENDIAN ? "big" : "little"); - } -} - - - -/* Functions to manipulate the architecture of the target */ - -enum set_arch { set_arch_auto, set_arch_manual }; - -int target_architecture_auto = 1; -extern const struct bfd_arch_info bfd_default_arch_struct; -const struct bfd_arch_info *target_architecture = &bfd_default_arch_struct; -int (*target_architecture_hook) (const struct bfd_arch_info *ap); - -static void show_endian (char *, int); -static void set_endian (char *, int); -static void set_endian_big (char *, int); -static void set_endian_little (char *, int); -static void set_endian_auto (char *, int); -static void set_endian_from_file (bfd *); -static int arch_ok (const struct bfd_arch_info *arch); -static void set_arch (const struct bfd_arch_info *arch, enum set_arch type); -static void show_architecture (char *, int); -static void set_architecture (char *, int); -static void info_architecture (char *, int); -static void set_architecture_from_file (bfd *); - -/* Do the real work of changing the current architecture */ - -static int -arch_ok (const struct bfd_arch_info *arch) -{ - /* Should be performing the more basic check that the binary is - compatible with GDB. */ - /* Check with the target that the architecture is valid. */ - return (target_architecture_hook == NULL - || target_architecture_hook (arch)); -} - -static void -set_arch (const struct bfd_arch_info *arch, - enum set_arch type) -{ - switch (type) - { - case set_arch_auto: - if (!arch_ok (arch)) - warning ("Target may not support %s architecture", - arch->printable_name); - target_architecture = arch; - break; - case set_arch_manual: - if (!arch_ok (arch)) - { - printf_unfiltered ("Target does not support \`%s' architecture.\n", - arch->printable_name); - } - else - { - target_architecture_auto = 0; - target_architecture = arch; - } - break; - } if (gdbarch_debug) - gdbarch_dump (); -} - -/* Called if the user enters \`\`show architecture'' without an argument. */ -static void -show_architecture (char *args, int from_tty) -{ - const char *arch; - arch = TARGET_ARCHITECTURE->printable_name; - if (target_architecture_auto) - printf_filtered ("The target architecture is set automatically (currently %s)\n", arch); - else - printf_filtered ("The target architecture is assumed to be %s\n", arch); -} + gdbarch_dump (current_gdbarch, gdb_stdlog); -/* Called if the user enters \`\`set architecture'' with or without an - argument. */ -static void -set_architecture (char *args, int from_tty) -{ - if (args == NULL) - { - printf_unfiltered ("\"set architecture\" must be followed by \"auto\" or an architecture name.\n"); - } - else if (strcmp (args, "auto") == 0) - { - target_architecture_auto = 1; - } - else if (GDB_MULTI_ARCH) - { - const struct bfd_arch_info *arch = bfd_scan_arch (args); - if (arch == NULL) - printf_unfiltered ("Architecture \`%s' not reconized.\n", args); - else - { - struct gdbarch_info info; - memset (&info, 0, sizeof info); - info.bfd_arch_info = arch; - if (gdbarch_update (info)) - target_architecture_auto = 0; - else - printf_unfiltered ("Architecture \`%s' not reconized.\n", args); - } - } - else - { - const struct bfd_arch_info *arch = bfd_scan_arch (args); - if (arch != NULL) - set_arch (arch, set_arch_manual); - else - printf_unfiltered ("Architecture \`%s' not reconized.\n", args); - } -} - -/* Called if the user enters \`\`info architecture'' without an argument. */ -static void -info_architecture (char *args, int from_tty) -{ - enum bfd_architecture a; - if (GDB_MULTI_ARCH) - { - if (gdbarch_init_registrary != NULL) - { - struct gdbarch_init_registration *rego; - printf_filtered ("Available architectures are:\n"); - for (rego = gdbarch_init_registrary; - rego != NULL; - rego = rego->next) - { - const struct bfd_arch_info *ap; - ap = bfd_lookup_arch (rego->bfd_architecture, 0); - if (ap != NULL) - { - do - { - printf_filtered (" %s", ap->printable_name); - ap = ap->next; - } - while (ap != NULL); - printf_filtered ("\n"); - } - } - } - else - { - printf_filtered ("There are no available architectures.\n"); - } - return; - } - printf_filtered ("Available architectures are:\n"); - for (a = bfd_arch_obscure + 1; a < bfd_arch_last; a++) - { - const struct bfd_arch_info *ap = bfd_lookup_arch (a, 0); - if (ap != NULL) - { - do - { - printf_filtered (" %s", ap->printable_name); - ap = ap->next; - } - while (ap != NULL); - printf_filtered ("\n"); - } - } -} - -/* Set the architecture from arch/machine */ -void -set_architecture_from_arch_mach (arch, mach) - enum bfd_architecture arch; - unsigned long mach; -{ - const struct bfd_arch_info *wanted = bfd_lookup_arch (arch, mach); - if (wanted != NULL) - set_arch (wanted, set_arch_manual); - else - internal_error ("gdbarch: hardwired architecture/machine not reconized"); -} - -/* Set the architecture from a BFD */ -static void -set_architecture_from_file (bfd *abfd) -{ - const struct bfd_arch_info *wanted = bfd_get_arch_info (abfd); - if (target_architecture_auto) - { - set_arch (wanted, set_arch_auto); - } - else if (wanted != target_architecture) - { - warning ("%s architecture file may be incompatible with %s target.", - wanted->printable_name, - target_architecture->printable_name); - } + return 1; } @@ -2067,82 +1934,13 @@ int (*tm_print_insn) (bfd_vma, disassemble_info *); disassemble_info tm_print_insn_info; - -/* Set the dynamic target-system-dependant parameters (architecture, - byte-order) using information found in the BFD */ - -void -set_gdbarch_from_file (abfd) - bfd *abfd; -{ - if (GDB_MULTI_ARCH) - { - struct gdbarch_info info; - memset (&info, 0, sizeof info); - info.abfd = abfd; - gdbarch_update (info); - return; - } - set_architecture_from_file (abfd); - set_endian_from_file (abfd); -} - - -/* Initialize the current architecture. */ -void -initialize_current_architecture () -{ - if (GDB_MULTI_ARCH) - { - struct gdbarch_init_registration *rego; - const struct bfd_arch_info *chosen = NULL; - for (rego = gdbarch_init_registrary; rego != NULL; rego = rego->next) - { - const struct bfd_arch_info *ap - = bfd_lookup_arch (rego->bfd_architecture, 0); - - /* Choose the first architecture alphabetically. */ - if (chosen == NULL - || strcmp (ap->printable_name, chosen->printable_name) < 0) - chosen = ap; - } - - if (chosen != NULL) - { - struct gdbarch_info info; - memset (&info, 0, sizeof info); - info.bfd_arch_info = chosen; - gdbarch_update (info); - } - } -} - extern void _initialize_gdbarch (void); + void -_initialize_gdbarch () +_initialize_gdbarch (void) { struct cmd_list_element *c; - add_prefix_cmd ("endian", class_support, set_endian, - "Set endianness of target.", - &endianlist, "set endian ", 0, &setlist); - add_cmd ("big", class_support, set_endian_big, - "Set target as being big endian.", &endianlist); - add_cmd ("little", class_support, set_endian_little, - "Set target as being little endian.", &endianlist); - add_cmd ("auto", class_support, set_endian_auto, - "Select target endianness automatically.", &endianlist); - add_cmd ("endian", class_support, show_endian, - "Show endianness of target.", &showlist); - - add_cmd ("architecture", class_support, set_architecture, - "Set architecture of target.", &setlist); - add_alias_cmd ("processor", "architecture", class_support, 1, &setlist); - add_cmd ("architecture", class_support, show_architecture, - "Show architecture of target.", &showlist); - add_cmd ("architecture", class_support, info_architecture, - "List supported target architectures", &infolist); - INIT_DISASSEMBLE_INFO_NO_ARCH (tm_print_insn_info, gdb_stdout, (fprintf_ftype)fprintf_filtered); tm_print_insn_info.flavour = bfd_target_unknown_flavour; tm_print_insn_info.read_memory_func = dis_asm_read_memory; @@ -2153,14 +1951,14 @@ _initialize_gdbarch () class_maintenance, var_zinteger, (char *)&gdbarch_debug, - "Set architecture debugging.\n\\ + "Set architecture debugging.\\n\\ When non-zero, architecture debugging is enabled.", &setdebuglist), &showdebuglist); c = add_set_cmd ("archdebug", class_maintenance, var_zinteger, (char *)&gdbarch_debug, - "Set architecture debugging.\n\\ + "Set architecture debugging.\\n\\ When non-zero, architecture debugging is enabled.", &setlist); deprecate_cmd (c, "set debug arch");