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This is gdbint.info, produced by makeinfo version 4.1 from
./gdbint.texinfo.

INFO-DIR-SECTION Programming & development tools.
START-INFO-DIR-ENTRY
* Gdb-Internals: (gdbint).      The GNU debugger's internals.
END-INFO-DIR-ENTRY

   This file documents the internals of the GNU debugger GDB.
Copyright 1990,1991,1992,1993,1994,1996,1998,1999,2000,2001,2002
Free Software Foundation, Inc.  Contributed by Cygnus Solutions.
Written by John Gilmore.  Second Edition by Stan Shebs.

   Permission is granted to copy, distribute and/or modify this document
under the terms of the GNU Free Documentation License, Version 1.1 or
any later version published by the Free Software Foundation; with no
Invariant Sections, with the Front-Cover Texts being "A GNU Manual,"
and with the Back-Cover Texts as in (a) below.

   (a) The FSF's Back-Cover Text is: "You have freedom to copy and
modify this GNU Manual, like GNU software.  Copies published by the Free
Software Foundation raise funds for GNU development."


File: gdbint.info,  Node: Index,  Prev: GNU Free Documentation License,  Up: Top

Index
*****

* Menu:

* *gdbarch_data:                         Coding.
* _initialize_language:                  Language Support.
* a.out format:                          Symbol Handling.
* add_cmd:                               User Interface.
* add_com:                               User Interface.
* add_setshow_cmd:                       User Interface.
* add_setshow_cmd_full:                  User Interface.
* add_symtab_fns:                        Symbol Handling.
* adding a new host:                     Host Definition.
* adding a symbol-reading module:        Symbol Handling.
* adding a target:                       Target Architecture Definition.
* adding debugging info reader:          Symbol Handling.
* adding source language:                Language Support.
* ADDITIONAL_OPTION_CASES:               Target Architecture Definition.
* ADDITIONAL_OPTION_HANDLER:             Target Architecture Definition.
* ADDITIONAL_OPTION_HELP:                Target Architecture Definition.
* ADDITIONAL_OPTIONS:                    Target Architecture Definition.
* ADDR_BITS_REMOVE:                      Target Architecture Definition.
* address representation:                Target Architecture Definition.
* address spaces, separate data and code: Target Architecture Definition.
* ADDRESS_TO_POINTER:                    Target Architecture Definition.
* algorithms:                            Algorithms.
* ALIGN_STACK_ON_STARTUP:                Host Definition.
* allocate_symtab:                       Language Support.
* assumptions about targets:             Coding.
* ATTACH_DETACH:                         Native Debugging.
* ATTR_NORETURN:                         Host Definition.
* BEFORE_MAIN_LOOP_HOOK:                 Target Architecture Definition.
* BELIEVE_PCC_PROMOTION:                 Target Architecture Definition.
* BELIEVE_PCC_PROMOTION_TYPE:            Target Architecture Definition.
* BFD library:                           Support Libraries.
* BIG_BREAKPOINT:                        Target Architecture Definition.
* BIG_REMOTE_BREAKPOINT:                 Target Architecture Definition.
* BITS_BIG_ENDIAN:                       Target Architecture Definition.
* BPT_VECTOR:                            Target Architecture Definition.
* BREAKPOINT <1>:                        Target Architecture Definition.
* BREAKPOINT:                            Algorithms.
* BREAKPOINT_FROM_PC:                    Target Architecture Definition.
* breakpoints:                           Algorithms.
* bug-gdb mailing list:                  Getting Started.
* C data types:                          Coding.
* call stack frame:                      Algorithms.
* CALL_DUMMY:                            Target Architecture Definition.
* CALL_DUMMY_LOCATION:                   Target Architecture Definition.
* CALL_DUMMY_P:                          Target Architecture Definition.
* CALL_DUMMY_STACK_ADJUST:               Target Architecture Definition.
* CALL_DUMMY_STACK_ADJUST_P:             Target Architecture Definition.
* CALL_DUMMY_WORDS:                      Target Architecture Definition.
* call_function_by_hand:                 Target Architecture Definition.
* CANNOT_FETCH_REGISTER:                 Target Architecture Definition.
* CANNOT_STEP_HW_WATCHPOINTS:            Algorithms.
* CANNOT_STORE_REGISTER:                 Target Architecture Definition.
* CC_HAS_LONG_LONG:                      Host Definition.
* char:                                  Target Architecture Definition.
* CHILD_PREPARE_TO_STORE:                Native Debugging.
* cleanup:                               User Interface.
* cleanups:                              Coding.
* CLEAR_DEFERRED_STORES:                 Target Architecture Definition.
* CLEAR_SOLIB:                           Native Debugging.
* CLI:                                   User Interface.
* code pointers, word-addressed:         Target Architecture Definition.
* coding standards:                      Coding.
* COERCE_FLOAT_TO_DOUBLE:                Target Architecture Definition.
* COFF debugging info:                   Symbol Handling.
* COFF format:                           Symbol Handling.
* command implementation:                Getting Started.
* command interpreter:                   User Interface.
* comment formatting:                    Coding.
* compiler warnings:                     Coding.
* CONVERT_REGISTER_P:                    Target Architecture Definition.
* converting between pointers and addresses: Target Architecture Definition.
* converting integers to addresses:      Target Architecture Definition.
* converting targets to multi-arch:      Target Architecture Definition.
* CPLUS_MARKERz:                         Target Architecture Definition.
* create_new_frame:                      Algorithms.
* CRLF_SOURCE_FILES:                     Host Definition.
* current_language:                      Language Support.
* D10V addresses:                        Target Architecture Definition.
* data output:                           User Interface.
* data-pointer, per-architecture/per-module: Coding.
* DBX_PARM_SYMBOL_CLASS:                 Target Architecture Definition.
* DEBUG_PTRACE:                          Native Debugging.
* debugging GDB:                         Debugging GDB.
* DECR_PC_AFTER_BREAK:                   Target Architecture Definition.
* DECR_PC_AFTER_HW_BREAK <1>:            Target Architecture Definition.
* DECR_PC_AFTER_HW_BREAK:                Algorithms.
* default_coerce_float_to_double:        Target Architecture Definition.
* DEFAULT_PROMPT:                        Host Definition.
* deprecate_cmd:                         User Interface.
* deprecating commands:                  User Interface.
* design:                                Coding.
* DEV_TTY:                               Host Definition.
* DIRNAME_SEPARATOR:                     Coding.
* DISABLE_UNSETTABLE_BREAK:              Target Architecture Definition.
* discard_cleanups:                      Coding.
* do_cleanups:                           Coding.
* DO_DEFERRED_STORES:                    Target Architecture Definition.
* DO_REGISTERS_INFO:                     Target Architecture Definition.
* DOS text files:                        Host Definition.
* DWARF 1 debugging info:                Symbol Handling.
* DWARF 2 debugging info:                Symbol Handling.
* DWARF2_REG_TO_REGNUM:                  Target Architecture Definition.
* DWARF_REG_TO_REGNUM:                   Target Architecture Definition.
* ECOFF debugging info:                  Symbol Handling.
* ECOFF format:                          Symbol Handling.
* ECOFF_REG_TO_REGNUM:                   Target Architecture Definition.
* ELF format:                            Symbol Handling.
* END_OF_TEXT_DEFAULT:                   Target Architecture Definition.
* evaluate_subexp:                       Language Support.
* expression evaluation routines:        Language Support.
* expression parser:                     Language Support.
* extract_address:                       Target Architecture Definition.
* EXTRACT_RETURN_VALUE:                  Target Architecture Definition.
* EXTRACT_STRUCT_VALUE_ADDRESS:          Target Architecture Definition.
* EXTRACT_STRUCT_VALUE_ADDRESS_P:        Target Architecture Definition.
* extract_typed_address:                 Target Architecture Definition.
* FCLOSE_PROVIDED:                       Host Definition.
* fetch_core_registers:                  Native Debugging.
* FETCH_INFERIOR_REGISTERS:              Native Debugging.
* field output functions:                User Interface.
* file names, portability:               Coding.
* FILENAME_CMP:                          Coding.
* FILES_INFO_HOOK:                       Native Debugging.
* find_pc_function:                      Symbol Handling.
* find_pc_line:                          Symbol Handling.
* find_sym_fns:                          Symbol Handling.
* finding a symbol:                      Symbol Handling.
* fine-tuning gdbarch structure:         Target Architecture Definition.
* float arguments:                       Target Architecture Definition.
* FLOAT_INFO:                            Target Architecture Definition.
* FOPEN_RB:                              Host Definition.
* FP0_REGNUM:                            Native Debugging.
* FP_REGNUM:                             Target Architecture Definition.
* frame:                                 Algorithms.
* frame chain:                           Algorithms.
* frame pointer register:                Algorithms.
* FRAME_ARGS_ADDRESS_CORRECT:            Target Architecture Definition.
* FRAME_CHAIN:                           Target Architecture Definition.
* FRAME_CHAIN_VALID:                     Target Architecture Definition.
* FRAME_FP:                              Algorithms.
* FRAME_INIT_SAVED_REGS:                 Target Architecture Definition.
* FRAME_NUM_ARGS:                        Target Architecture Definition.
* FRAME_SAVED_PC:                        Target Architecture Definition.
* FRAMELESS_FUNCTION_INVOCATION:         Target Architecture Definition.
* full symbol table:                     Symbol Handling.
* function prototypes:                   Coding.
* function usage:                        Coding.
* FUNCTION_EPILOGUE_SIZE:                Target Architecture Definition.
* FUNCTION_START_OFFSET:                 Target Architecture Definition.
* fundamental types:                     Symbol Handling.
* GCC2_COMPILED_FLAG_SYMBOL:             Target Architecture Definition.
* GCC_COMPILED_FLAG_SYMBOL:              Target Architecture Definition.
* GDB_MULTI_ARCH:                        Target Architecture Definition.
* gdb_osabi:                             Target Architecture Definition.
* GDB_OSABI_ARM_APCS:                    Target Architecture Definition.
* GDB_OSABI_ARM_EABI_V1:                 Target Architecture Definition.
* GDB_OSABI_ARM_EABI_V2:                 Target Architecture Definition.
* GDB_OSABI_FREEBSD_AOUT:                Target Architecture Definition.
* GDB_OSABI_FREEBSD_ELF:                 Target Architecture Definition.
* GDB_OSABI_GO32:                        Target Architecture Definition.
* GDB_OSABI_HURD:                        Target Architecture Definition.
* GDB_OSABI_LINUX:                       Target Architecture Definition.
* GDB_OSABI_NETBSD_AOUT:                 Target Architecture Definition.
* GDB_OSABI_NETBSD_ELF:                  Target Architecture Definition.
* GDB_OSABI_NETWARE:                     Target Architecture Definition.
* GDB_OSABI_OSF1:                        Target Architecture Definition.
* GDB_OSABI_SOLARIS:                     Target Architecture Definition.
* GDB_OSABI_SVR4:                        Target Architecture Definition.
* GDB_OSABI_UNKNOWN:                     Target Architecture Definition.
* GDB_OSABI_WINCE:                       Target Architecture Definition.
* GDB_TARGET_IS_HPPA:                    Target Architecture Definition.
* gdbarch_data:                          Coding.
* gdbarch_in_function_epilogue_p:        Target Architecture Definition.
* gdbarch_init_osabi:                    Target Architecture Definition.
* gdbarch_register_osabi:                Target Architecture Definition.
* gdbarch_register_osabi_sniffer:        Target Architecture Definition.
* GDBINIT_FILENAME:                      Host Definition.
* generic dummy frames:                  Host Definition.
* generic host support:                  Host Definition.
* GET_LONGJMP_TARGET <1>:                Native Debugging.
* GET_LONGJMP_TARGET <2>:                Target Architecture Definition.
* GET_LONGJMP_TARGET:                    Algorithms.
* get_saved_register:                    Target Architecture Definition.
* GET_SAVED_REGISTER:                    Target Architecture Definition.
* GETENV_PROVIDED:                       Host Definition.
* hardware breakpoints:                  Algorithms.
* hardware watchpoints:                  Algorithms.
* HAVE_CONTINUABLE_WATCHPOINT:           Algorithms.
* HAVE_DOS_BASED_FILE_SYSTEM:            Coding.
* HAVE_LONG_DOUBLE:                      Host Definition.
* HAVE_MMAP:                             Host Definition.
* HAVE_NONSTEPPABLE_WATCHPOINT:          Algorithms.
* HAVE_STEPPABLE_WATCHPOINT:             Algorithms.
* HAVE_TERMIO:                           Host Definition.
* host:                                  Overall Structure.
* host, adding:                          Host Definition.
* i386_cleanup_dregs:                    Algorithms.
* I386_DR_LOW_GET_STATUS:                Algorithms.
* I386_DR_LOW_RESET_ADDR:                Algorithms.
* I386_DR_LOW_SET_ADDR:                  Algorithms.
* I386_DR_LOW_SET_CONTROL:               Algorithms.
* i386_insert_hw_breakpoint:             Algorithms.
* i386_insert_watchpoint:                Algorithms.
* i386_region_ok_for_watchpoint:         Algorithms.
* i386_remove_hw_breakpoint:             Algorithms.
* i386_remove_watchpoint:                Algorithms.
* i386_stopped_by_hwbp:                  Algorithms.
* i386_stopped_data_address:             Algorithms.
* I386_USE_GENERIC_WATCHPOINTS:          Algorithms.
* IBM6000_TARGET:                        Target Architecture Definition.
* IN_SOLIB_CALL_TRAMPOLINE:              Target Architecture Definition.
* IN_SOLIB_DYNSYM_RESOLVE_CODE:          Target Architecture Definition.
* IN_SOLIB_RETURN_TRAMPOLINE:            Target Architecture Definition.
* INIT_EXTRA_FRAME_INFO:                 Target Architecture Definition.
* INIT_FRAME_PC:                         Target Architecture Definition.
* INNER_THAN:                            Target Architecture Definition.
* insert or remove hardware breakpoint:  Algorithms.
* INT_MAX:                               Host Definition.
* INT_MIN:                               Host Definition.
* INTEGER_TO_ADDRESS:                    Target Architecture Definition.
* IS_ABSOLUTE_PATH:                      Coding.
* IS_DIR_SEPARATOR:                      Coding.
* IS_TRAPPED_INTERNALVAR:                Target Architecture Definition.
* ISATTY:                                Host Definition.
* item output functions:                 User Interface.
* KERNEL_U_ADDR:                         Native Debugging.
* KERNEL_U_ADDR_BSD:                     Native Debugging.
* KERNEL_U_ADDR_HPUX:                    Native Debugging.
* L_SET:                                 Host Definition.
* language parser:                       Language Support.
* language support:                      Language Support.
* legal papers for code contributions:   Debugging GDB.
* length_of_subexp:                      Language Support.
* libgdb:                                libgdb.
* line wrap in output:                   Coding.
* lint:                                  Host Definition.
* list output functions:                 User Interface.
* LITTLE_BREAKPOINT:                     Target Architecture Definition.
* LITTLE_REMOTE_BREAKPOINT:              Target Architecture Definition.
* long long data type:                   Host Definition.
* LONG_MAX:                              Host Definition.
* LONGEST:                               Host Definition.
* longjmp debugging:                     Algorithms.
* lookup_symbol:                         Symbol Handling.
* LSEEK_NOT_LINEAR:                      Host Definition.
* make_cleanup:                          Coding.
* making a distribution tarball:         Porting GDB.
* making a new release of gdb:           Releasing GDB.
* memory representation:                 Target Architecture Definition.
* MEMORY_INSERT_BREAKPOINT:              Target Architecture Definition.
* MEMORY_REMOVE_BREAKPOINT:              Target Architecture Definition.
* minimal symbol table:                  Symbol Handling.
* minsymtabs:                            Symbol Handling.
* mmalloc:                               Host Definition.
* mmap:                                  Host Definition.
* MMAP_BASE_ADDRESS:                     Host Definition.
* MMAP_INCREMENT:                        Host Definition.
* mmcheck:                               Host Definition.
* MMCHECK_FORCE:                         Host Definition.
* multi-arch data:                       Coding.
* NATDEPFILES:                           Native Debugging.
* native conditionals:                   Native Debugging.
* native core files:                     Native Debugging.
* native debugging:                      Native Debugging.
* NEED_TEXT_START_END:                   Target Architecture Definition.
* nesting level in ui_out functions:     User Interface.
* Netware Loadable Module format:        Symbol Handling.
* NO_HIF_SUPPORT:                        Target Architecture Definition.
* NO_MMCHECK:                            Host Definition.
* NO_SIGINTERRUPT:                       Host Definition.
* NO_STD_REGS:                           Host Definition.
* NO_SYS_FILE:                           Host Definition.
* NORETURN:                              Host Definition.
* NPC_REGNUM:                            Target Architecture Definition.
* object file formats:                   Symbol Handling.
* obsolete code:                         Debugging GDB.
* ONE_PROCESS_WRITETEXT:                 Native Debugging.
* op_print_tab:                          Language Support.
* opcodes library:                       Support Libraries.
* OS ABI variants:                       Target Architecture Definition.
* OS9K_VARIABLES_INSIDE_BLOCK:           Target Architecture Definition.
* PARM_BOUNDARY:                         Target Architecture Definition.
* parse_exp_1:                           Language Support.
* partial symbol table:                  Symbol Handling.
* passing arguments to prototyped functions: Target Architecture Definition.
* PC_IN_CALL_DUMMY:                      Target Architecture Definition.
* PC_IN_SIGTRAMP:                        Target Architecture Definition.
* PC_LOAD_SEGMENT:                       Target Architecture Definition.
* PC_REGNUM:                             Target Architecture Definition.
* PCC_SOL_BROKEN:                        Target Architecture Definition.
* PE-COFF format:                        Symbol Handling.
* per-architecture module data:          Coding.
* pointer representation:                Target Architecture Definition.
* POINTER_TO_ADDRESS:                    Target Architecture Definition.
* POP_FRAME:                             Target Architecture Definition.
* portability:                           Coding.
* portable file name handling:           Coding.
* porting to new machines:               Porting GDB.
* prefixify_subexp:                      Language Support.
* PREPARE_TO_PROCEED:                    Native Debugging.
* preparing a release:                   Porting GDB.
* PRINT_FLOAT_INFO:                      Target Architecture Definition.
* PRINT_REGISTER_HOOK:                   Target Architecture Definition.
* print_registers_info:                  Target Architecture Definition.
* print_subexp:                          Language Support.
* PRINT_TYPELESS_INTEGER:                Target Architecture Definition.
* PRINT_VECTOR_INFO:                     Target Architecture Definition.
* PRINTF_HAS_LONG_DOUBLE:                Host Definition.
* PRINTF_HAS_LONG_LONG:                  Host Definition.
* PROC_NAME_FMT:                         Native Debugging.
* PROCESS_LINENUMBER_HOOK:               Target Architecture Definition.
* program counter:                       Algorithms.
* PROLOGUE_FIRSTLINE_OVERLAP:            Target Architecture Definition.
* promotion to double:                   Target Architecture Definition.
* prompt:                                Host Definition.
* prototyped functions, passing arguments to: Target Architecture Definition.
* PS_REGNUM:                             Target Architecture Definition.
* psymtabs:                              Symbol Handling.
* PTRACE_ARG3_TYPE:                      Native Debugging.
* PTRACE_FP_BUG:                         Native Debugging.
* PUSH_ARGUMENTS:                        Target Architecture Definition.
* PUSH_DUMMY_FRAME:                      Target Architecture Definition.
* raw register representation:           Target Architecture Definition.
* read_fp:                               Target Architecture Definition.
* read_pc:                               Target Architecture Definition.
* read_sp:                               Target Architecture Definition.
* reading of symbols:                    Symbol Handling.
* REG_STRUCT_HAS_ADDR:                   Target Architecture Definition.
* register data formats, converting:     Target Architecture Definition.
* register representation:               Target Architecture Definition.
* REGISTER_BYTES:                        Target Architecture Definition.
* REGISTER_CONVERT_TO_RAW:               Target Architecture Definition.
* REGISTER_CONVERT_TO_TYPE:              Target Architecture Definition.
* REGISTER_CONVERT_TO_VIRTUAL:           Target Architecture Definition.
* REGISTER_CONVERTIBLE:                  Target Architecture Definition.
* REGISTER_NAME:                         Target Architecture Definition.
* REGISTER_NAMES:                        Target Architecture Definition.
* REGISTER_RAW_SIZE:                     Target Architecture Definition.
* REGISTER_TO_VALUE:                     Target Architecture Definition.
* REGISTER_U_ADDR:                       Native Debugging.
* REGISTER_VIRTUAL_SIZE:                 Target Architecture Definition.
* REGISTER_VIRTUAL_TYPE:                 Target Architecture Definition.
* regular expressions library:           Support Libraries.
* remote debugging support:              Host Definition.
* REMOTE_BPT_VECTOR:                     Target Architecture Definition.
* REMOTE_BREAKPOINT:                     Target Architecture Definition.
* representations, raw and virtual registers: Target Architecture Definition.
* representations, register and memory:  Target Architecture Definition.
* requirements for GDB:                  Requirements.
* return_command:                        Target Architecture Definition.
* RETURN_VALUE_ON_STACK:                 Target Architecture Definition.
* returning structures by value:         Target Architecture Definition.
* running the test suite:                Testsuite.
* SAVE_DUMMY_FRAME_TOS:                  Target Architecture Definition.
* SCANF_HAS_LONG_DOUBLE:                 Host Definition.
* SDB_REG_TO_REGNUM:                     Target Architecture Definition.
* secondary symbol file:                 Symbol Handling.
* SEEK_CUR:                              Host Definition.
* SEEK_SET:                              Host Definition.
* separate data and code address spaces: Target Architecture Definition.
* serial line support:                   Host Definition.
* set_gdbarch_data:                      Coding.
* SHELL_COMMAND_CONCAT:                  Native Debugging.
* SHELL_FILE:                            Native Debugging.
* siginterrupt:                          Host Definition.
* sigtramp:                              Target Architecture Definition.
* SIGTRAMP_END:                          Target Architecture Definition.
* SIGTRAMP_START:                        Target Architecture Definition.
* SIGWINCH_HANDLER:                      Host Definition.
* SIGWINCH_HANDLER_BODY:                 Host Definition.
* SIZEOF_CALL_DUMMY_WORDS:               Target Architecture Definition.
* SKIP_PERMANENT_BREAKPOINT:             Target Architecture Definition.
* SKIP_PROLOGUE:                         Target Architecture Definition.
* SKIP_SOLIB_RESOLVER:                   Target Architecture Definition.
* SKIP_TRAMPOLINE_CODE:                  Target Architecture Definition.
* SLASH_STRING:                          Coding.
* software breakpoints:                  Algorithms.
* software watchpoints:                  Algorithms.
* SOFTWARE_SINGLE_STEP:                  Target Architecture Definition.
* SOFTWARE_SINGLE_STEP_P:                Target Architecture Definition.
* SOFUN_ADDRESS_MAYBE_MISSING:           Target Architecture Definition.
* SOLIB_ADD:                             Native Debugging.
* SOLIB_CREATE_INFERIOR_HOOK:            Native Debugging.
* SOM debugging info:                    Symbol Handling.
* SOM format:                            Symbol Handling.
* source code formatting:                Coding.
* SP_REGNUM:                             Target Architecture Definition.
* spaces, separate data and code address: Target Architecture Definition.
* STAB_REG_TO_REGNUM:                    Target Architecture Definition.
* stabs debugging info:                  Symbol Handling.
* stack alignment:                       Host Definition.
* STACK_ALIGN:                           Target Architecture Definition.
* standard_coerce_float_to_double:       Target Architecture Definition.
* START_INFERIOR_TRAPS_EXPECTED:         Native Debugging.
* STEP_SKIPS_DELAY:                      Target Architecture Definition.
* STOP_SIGNAL:                           Host Definition.
* STOPPED_BY_WATCHPOINT:                 Algorithms.
* store_address:                         Target Architecture Definition.
* STORE_RETURN_VALUE:                    Target Architecture Definition.
* store_typed_address:                   Target Architecture Definition.
* struct value, converting register contents to: Target Architecture Definition.
* structures, returning by value:        Target Architecture Definition.
* submitting patches:                    Debugging GDB.
* SUN_FIXED_LBRAC_BUG:                   Target Architecture Definition.
* SVR4_SHARED_LIBS:                      Native Debugging.
* sym_fns structure:                     Symbol Handling.
* symbol files:                          Symbol Handling.
* symbol lookup:                         Symbol Handling.
* symbol reading:                        Symbol Handling.
* SYMBOL_RELOADING_DEFAULT:              Target Architecture Definition.
* SYMBOLS_CAN_START_WITH_DOLLAR:         Target Architecture Definition.
* symtabs:                               Symbol Handling.
* system dependencies:                   Coding.
* table output functions:                User Interface.
* target:                                Overall Structure.
* target architecture definition:        Target Architecture Definition.
* target vector:                         Target Vector Definition.
* TARGET_CAN_USE_HARDWARE_WATCHPOINT:    Algorithms.
* TARGET_CHAR_BIT:                       Target Architecture Definition.
* TARGET_CHAR_SIGNED:                    Target Architecture Definition.
* TARGET_COMPLEX_BIT:                    Target Architecture Definition.
* TARGET_DISABLE_HW_WATCHPOINTS:         Algorithms.
* TARGET_DOUBLE_BIT:                     Target Architecture Definition.
* TARGET_DOUBLE_COMPLEX_BIT:             Target Architecture Definition.
* TARGET_ENABLE_HW_WATCHPOINTS:          Algorithms.
* TARGET_FLOAT_BIT:                      Target Architecture Definition.
* TARGET_HAS_HARDWARE_WATCHPOINTS:       Algorithms.
* target_insert_hw_breakpoint:           Algorithms.
* target_insert_watchpoint:              Algorithms.
* TARGET_INT_BIT:                        Target Architecture Definition.
* TARGET_LONG_BIT:                       Target Architecture Definition.
* TARGET_LONG_DOUBLE_BIT:                Target Architecture Definition.
* TARGET_LONG_LONG_BIT:                  Target Architecture Definition.
* TARGET_PRINT_INSN:                     Target Architecture Definition.
* TARGET_PTR_BIT:                        Target Architecture Definition.
* TARGET_READ_FP:                        Target Architecture Definition.
* TARGET_READ_PC:                        Target Architecture Definition.
* TARGET_READ_SP:                        Target Architecture Definition.
* TARGET_REGION_OK_FOR_HW_WATCHPOINT:    Algorithms.
* TARGET_REGION_SIZE_OK_FOR_HW_WATCHPOINT: Algorithms.
* target_remove_hw_breakpoint:           Algorithms.
* target_remove_watchpoint:              Algorithms.
* TARGET_SHORT_BIT:                      Target Architecture Definition.
* target_stopped_data_address:           Algorithms.
* TARGET_VIRTUAL_FRAME_POINTER:          Target Architecture Definition.
* TARGET_WRITE_PC:                       Target Architecture Definition.
* TARGET_WRITE_SP:                       Target Architecture Definition.
* TCP remote support:                    Host Definition.
* TDEPFILES:                             Target Architecture Definition.
* terminal device:                       Host Definition.
* test suite:                            Testsuite.
* test suite organization:               Testsuite.
* trimming language-dependent code:      Language Support.
* tuple output functions:                User Interface.
* type:                                  Target Architecture Definition.
* type codes:                            Symbol Handling.
* types:                                 Coding.
* U_REGS_OFFSET:                         Native Debugging.
* ui_out functions:                      User Interface.
* ui_out functions, usage examples:      User Interface.
* ui_out_field_core_addr:                User Interface.
* ui_out_field_fmt:                      User Interface.
* ui_out_field_int:                      User Interface.
* ui_out_field_skip:                     User Interface.
* ui_out_field_stream:                   User Interface.
* ui_out_field_string:                   User Interface.
* ui_out_flush:                          User Interface.
* ui_out_list_begin:                     User Interface.
* ui_out_list_end:                       User Interface.
* ui_out_message:                        User Interface.
* ui_out_spaces:                         User Interface.
* ui_out_stream_delete:                  User Interface.
* ui_out_table_begin:                    User Interface.
* ui_out_table_body:                     User Interface.
* ui_out_table_end:                      User Interface.
* ui_out_table_header:                   User Interface.
* ui_out_text:                           User Interface.
* ui_out_tuple_begin:                    User Interface.
* ui_out_tuple_end:                      User Interface.
* ui_out_wrap_hint:                      User Interface.
* ui_stream:                             User Interface.
* UINT_MAX:                              Host Definition.
* ULONG_MAX:                             Host Definition.
* USE_GENERIC_DUMMY_FRAMES:              Host Definition.
* USE_MMALLOC:                           Host Definition.
* USE_O_NOCTTY:                          Host Definition.
* USE_PROC_FS:                           Native Debugging.
* USE_STRUCT_CONVENTION:                 Target Architecture Definition.
* USG:                                   Host Definition.
* using ui_out functions:                User Interface.
* value_as_address:                      Target Architecture Definition.
* value_from_pointer:                    Target Architecture Definition.
* VALUE_TO_REGISTER:                     Target Architecture Definition.
* VARIABLES_INSIDE_BLOCK:                Target Architecture Definition.
* virtual register representation:       Target Architecture Definition.
* volatile:                              Host Definition.
* watchpoints:                           Algorithms.
* watchpoints, on x86:                   Algorithms.
* word-addressed machines:               Target Architecture Definition.
* wrap_here:                             Coding.
* write_pc:                              Target Architecture Definition.
* write_sp:                              Target Architecture Definition.
* writing tests:                         Testsuite.
* x86 debug registers:                   Algorithms.
* XCOFF format:                          Symbol Handling.