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2008-03-10 * Makefile.in (fork-child.o): Update.Daniel Jacobowitz2-0/+58
* NEWS: Document "set exec-wrapper" and the gdbserver --wrapper argument. Gather all gdbserver features together. * fork-child.c (exec_wrapper): New variable. (fork_inferior): Use it. (startup_inferior): Skip an extra trap if using "set exec-wrapper". (unset_exec_wrapper_command, _initialize_fork_child): New. * gdb.texinfo (Starting): Document "set exec-wrapper". (Server): Document gdbserver --wrapper. * server.c (wrapper_argv): New. (start_inferior): Handle wrapper_argv. If set, expect an extra trap. (gdbserver_usage): Document --wrapper. (main): Parse --wrapper.
2008-03-03 * breakpoint.c (fetch_watchpoint_value): New function.Daniel Jacobowitz2-11/+15
(update_watchpoint): Set and clear val_valid. Use fetch_watchpoint_value. Handle unreadable values on the value chain. Correct check for user-requested array watchpoints. (breakpoint_init_inferior): Clear val_valid. (watchpoint_value_print): New function. (print_it_typical): Use it. Do not free or clear old_val. Print watchpoints even if old_val == NULL. (watchpoint_check): Use fetch_watchpoint_value. Check for values becoming readable or unreadable. (watch_command_1): Use fetch_watchpoint_value. Set val_valid. (do_enable_watchpoint): Likewise. * breakpoint.h (struct breakpoint): Update comment for val. Add val_valid. * NEWS: Mention watchpoints on inaccessible memory. * gdb.base/watchpoint.c (global_ptr, func4): New. (main): Call func4. * gdb.base/watchpoint.exp: Call test_inaccessible_watchpoint. (test_inaccessible_watchpoint): New. * gdb.texinfo (Set Watchpoints): Mention watchpoints on unreadable memory. Delete obsolete SPARClite reference.
2008-02-28 * infcmd.c (kill_if_already_running): Make static. UseDaniel Jacobowitz2-4/+23
target_require_runnable. * target.c (target_require_runnable): New. * target.h (target_require_runnable): Declare. * gdb.texinfo (Starting): Mention always-running targets. (Target Commands): Add an anchor for load. (Connecting): Explain continue instead of run.
2008-02-27Add changelog entries for last commit.Daniel Jacobowitz1-0/+4
2008-02-27 * utils.c (debug_timestamp): New.Daniel Jacobowitz1-0/+8
(vfprintf_unfiltered): Print timestamps if requested. (show_debug_timestamp): New. (initialize_utils): Register "set debug timestamp". * NEWS: Mention "set debug timestamp". Add GDB 6.8 section. * gdb.texinfo (Debugging Output): Document "set debug timestamp".
2008-02-25(Set Breaks): Revert description of Enb column ofNick Roberts1-8/+5
breakpoint table.
2008-02-25*** empty log message ***Nick Roberts1-0/+5
2008-02-19doc/Pedro Alves2-3/+8
* gdb.texinfo (vAttach, vRun): Remove requirement of the stub killing the inferior when it is already debugging a process. gdbserver/ * server.c (handle_v_requests): When handling the vRun and vAttach packets, if already debugging a process, don't kill it. Return an error instead.
2008-02-13 Add script to build and test GDB using enable-targets=all.Markus Deuling2-0/+20
* gdb_buildall.sh: New file. doc/ * gdbint.texinfo (Build Script): New section. Mention new build script gdb_buildall.sh.
2008-02-09Fix dates of entries. Commit a forgotten entry from 2008-01-26.Eli Zaretskii1-1/+5
2008-02-03* gdb.texinfo (Help): Summarize 'info args' correctly.Jim Blandy2-1/+5
2008-01-31 * gdb.texinfo: (Decimal Floating Point): Mention pseudo-registersThiago Jung Bauermann2-3/+32
available in PowerPC architecture. (Embedded Processors): Change node name of PowerPC item in menu. (PowerPC): Rename to... (PowerPC Embedded): this. (Architectures): Add new PowerPC item in menu. (PowerPC): New node.
2008-01-30 * gdb.texinfo (Multi-Process Mode for gdbserver): Use @kbd forDaniel Jacobowitz2-2/+7
commands.
2008-01-30 * gdb.texinfo (Setting Catchpoints): Mention featuresDaniel Jacobowitz2-3/+11
supported on GNU/Linux.
2008-01-30(GDB/MI File Commands): Describe new outputNick Roberts1-2/+4
field for MI command -file-list-exec-source-file.
2008-01-30*** empty log message ***Nick Roberts1-0/+5
2008-01-30 * linux-low.c (linux_attach_lwp): Do not _exit after errors.Daniel Jacobowitz2-14/+131
(linux_kill, linux_detach): Clean up the process list. * remote-utils.c (remote_open): Improve port number parsing. (putpkt_binary, input_interrupt): Only send interrupts if the target is running. * server.c (extended_protocol): Make static. (attached): Define earlier. (exit_requested, response_needed, program_argv): New variables. (target_running): New. (start_inferior): Clear attached here. (attach_inferior): Set attached here. (require_running): Define. (handle_query): Use require_running and target_running. Implement "monitor exit". (handle_v_attach, handle_v_run): New. (handle_v_requests): Use require_running. Handle vAttach and vRun. (gdbserver_usage): Update. (main): Redo argument parsing. Handle --debug and --multi. Handle --attach along with other options or after the port. Save program_argv. Support no initial program. Resynchronize communication with GDB after an error. Handle "monitor exit". Use require_running and target_running. Always allow the extended protocol. Do not error out for Hc0 or Hc-1. Do not automatically restart in extended mode. * README: Refer to the GDB manual. Update --attach usage. * remote.c (struct remote_state): Add cached_wait_status. (remote_exec_file): New variable. (PACKET_vAttach, PACKET_vRun): New constants. (extended_remote_restart): Do not query for status. (struct start_remote_args): New. (remote_start_remote): Take it as a second argument. Check whether the target is running. Issue an error for non-running non-extended targets. Cache the wait status. Set inferior_ptid here. (remote_open_1): Prompt to disconnect non-running targets. Make sure the target is marked running. Do not set inferior_ptid here. Update call to remote_start_remote. Do not call remote_check_symbols if the target is not running. (remote_detach_1): Rename from remote_detach. Take an EXTENDED argument. Handle a non-running target. (remote_detach): Use it. (extended_remote_detach): New. (remote_disconnect): Fix typo. Use remoute_mourn_1. (extended_remote_attach_1, extended_remote_attach) (extended_async_remote_attach): New. (remote_vcont_resume): Remove unused variable. (remote_wait, remote_async_wait): Use any cached wait status. (putpkt_binary, getpkt): Clear any cached wait status. (extended_remoute_mourn_1): New. (extended_remote_mourn): Use it. (extended_async_remote_mourn, extended_remote_run): New. (extended_remote_create_inferior_1): New. (extended_remote_create_inferior): Use it. (extended_remote_async_create_inferior): Likewise. (remote_xfer_partial): Skip for non-executing targets. (init_extended_remote_ops): Set to_detach and to_attach. (init_extended_async_remote_ops): Likewise. Use extended_async_remote_mourn. (_initialize_remote): Register vAttach, vRun, and set remote exec-file. * NEWS: Mention vAttach, vRun, and gdbserver extended-remote support. * gdb.server/ext-attach.c, gdb.server/ext-attach.exp, gdb.server/ext-run.exp: New files. * lib/gdbserver-support.exp (gdbserver_download): New. (gdbserver_start): New. Update gdbserver expected output. (gdbserver_spawn): Use them. (gdbserver_start_extended): New. * gdb.texinfo (Using the `gdbserver' Program): Add security warning. Rearrange into subsections and subsubsections. Document --multi and --debug. Correct --with-sysroot typo. Update --attach usage. Make load reference clearer. Document monitor exit. (Remote Configuration): Document set remote exec-file, attach-packet, and run-packet. (Packets): Document vAttach and vRun.
2008-01-29(Processes): Mention process command.Nick Roberts1-5/+10
detach-on-follow -> detach-on-fork.
2008-01-29*** empty log message ***Nick Roberts1-0/+5
2008-01-28 * fork-child.c (SHELL_FILE): Remove #ifndef.Daniel Jacobowitz2-10/+5
(fork_inferior): Remove SHELL_COMMAND_CONCAT. * gdbint.texinfo (Native Conditionals): Remove SHELL_COMMAND_CONCAT and SHELL_FILE.
2008-01-26 * gdb.texinfo (Specify Location): Improve wording.Eli Zaretskii1-3/+4
2008-01-23 Inform about new thread in a single place.Vladimir Prus2-0/+23
* thread.c (add_thread_silent): Renamed from add_thread. (print_thread_events): New variable definition. (show_print_thread_events): New function. (_initialize_thread): Add "set print thread-events" and "show print thread-events" commands. (add_thread): Announce new thread. * gdbthread.h (add_thread_silent): Declare. (print_thread_events): New variable declaration. * inf-ttrace.c (inf_ttrace_wait): Don't inform about new thread, as add_thread is always called too, and will take care of that. * infrun.c (handle_inferior_event): Likewise. * procfs.c (procfs_wait): Likewise. * remote.c (remote_currthread): Likewise. * sol-thread.c (sol_thread_wait): Likewise. * win32-nat.c (get_win32_debug_event): Likewise. * linux-thread-db.c (attach_thread): Likewise. Remove the verbose parameter. (check_event): Make detach_thread be verbose only if print_thread_events is set. * linux-nat.c (lin_lwp_attach_lwp): Don't inform about new thread. This is called only from linux-thread-db.c:attach_thread, which will take care. Remove the verbose parameter. * linux-nat.h (lin_lwp_attach_lwp): Adjust prototype.
2008-01-19 * gdb.texinfo (Specify Location): New section.Eli Zaretskii2-93/+126
(Delete Breaks, Edit, Set Breaks): Remove description of locations. Instead, add a reference to "Specify Location". (Machine Code, Jumping, Thread Stops, Continuing and Stepping) (Symbols): Refer to "Specify Location" for the valid forms of linespecs and locations.
2008-01-18 * gdbarch.sh (function_list): Add new property bits_big_endian toMarkus Deuling2-4/+15
gdbarch structure. * gdbarch.{c,h}: Regenerate. * value.c (struct value): Replace BITS_BIG_ENDIAN by gdbarch_bits_big_endian (comment). (unpack_field_as_long, modify_field): Likewise. * value.h: Likewise (comment). * valops.c (value_slice): Likewise. * valarith.c (value_subscript, value_bit_index): Likewise. * gdbtypes.h (field): Likewise (comment). * eval.c (evaluate_subexp_standard): Likewise. * dwarf2read.c (dwarf2_add_field): Likewise. * ada-lang.c (decode_packed_array, ada_value_primitive_packed_val) (move_bits, ada_value_assign, value_assign_to_component): Likewise. * defs.h (BITS_BIG_ENDIAN): Remove. * gdbint.texinfo (Target Conditionals): Replace the description of BITS_BIG_ENDIAN with a description of gdbarch_bits_big_endian.
2008-01-12 * gdb.texinfo (C Operators): Remove incorrect parenthetical commentJoel Brobecker2-1/+6
about &&var, which is rejected by the expression parser.
2008-01-09 * printcmd.c (printf_command): Add seen_big_h, seen_big_d andLuis Machado2-3/+9
seen_double_big_d, treat the new H, D, and DD modifiers as length modifiers. * doc/gdb.texinfo (Output): Update documentation on using printf with DFP types. * testsuite/gdb.base/printcmds.exp (test_printf_with_dfp): Update printf calls with required float modifiers.
2008-01-07 * gdb.texinfo (C and C++): Add Decimal Floating Point formatThiago Jung Bauermann2-0/+29
subsubsection. (Decimal Floating Point format): New subsubsection.
2008-01-05 gdb/Pedro Alves2-3/+6
* NEWS: Mention --pid and --core command line behaviour changes. gdb/doc/ * gdb.texinfo (File Options): Remove mention of the attempt to open a core file with the -p option. Don't list -c as a valid option to attach to a process.
2008-01-05 gdb/Pedro Alves2-7/+5
* main.c (captured_main): Remove 'count' varible and the ALIGN_STACK_ON_ENTRY block that used it. Error out if --core and --pid options were issued simultaneously. If an explicit pid option was passed, don't fallback to core file. Detect extra arguments better in the presence of explicit pid or core arguments. gdb/doc/ * gdbint.texinfo (Host Conditionals): Remove mention of ALIGN_STACK_ON_ENTRY.
2008-01-05 * gdbint.texinfo (Start of New Year Procedure): Add itemJoel Brobecker2-0/+12
describing how to update the source and documentation copyright notices.
2008-01-01 Updated copyright notices for most files.Daniel Jacobowitz1-1/+1
2007-12-18Fix filename in ChangeLog entry.Jim Blandy1-1/+1
2007-12-18* doc/gdb.texinfo (Set Watchpoints): Integrate per-threadJim Blandy2-10/+17
watchpoint explanation into the main description of the watchpoint command; update synopses of 'watch', 'rwatch', and 'awatch' commands.
2007-12-18 * mi/mi-main.c (mi_cmd_list_features): AnnounceVladimir Prus2-0/+10
the 'pending-breakpoints' feature.
2007-12-17 * breakpoint.c: (watch_command_1): Parse additional optionalLuis Machado2-1/+12
"thread" parameter to the watchpoint command and set the "thread" member of the breakpoint struct. * doc/gdb.texinfo: Add new parameter's description. * testsuite/gdb.base/watch_thread_num.c: New testcase source file. * testsuite/gdb.base/watch_thread_num.exp: New testcase expect file.
2007-12-16 * gdb.texinfo (Overview): Clarify run-length encodingDaniel Jacobowitz2-14/+23
example. Remove the restriction on "+" and "-" characters.
2007-12-15 * gdb.texinfo (Host I/O Packets): Fix xref syntax.Eli Zaretskii2-2/+6
2007-12-14 Add support for pending breakpoints in MI.Vladimir Prus2-7/+15
* gdb.h (gdb_breakpoint): Add parameter pending. * breakpoint.c (gdb_breakpoint): Add parameter pending. * mi/mi-cmd-break.c (mi_break_insert): Change comment to refer to manual. Add support for the -f flag, for pending breakpoint.
2007-11-30 * remote.c (remote_cmdlist): New variable.Daniel Jacobowitz2-1/+250
(PACKET_vFile_open, PACKET_vFile_pread, PACKET_vFile_pwrite) (PACKET_vFile_close, PACKET_vFile_unlink): New constants. (remote_buffer_add_string, remote_buffer_add_bytes) (remote_buffer_add_int, remote_hostio_parse_result) (remote_hostio_send_command, remote_hostio_open, remote_hostio_pwrite) (remote_hostio_pread, remote_hostio_close, remote_hostio_unlink) (remote_fileio_errno_to_host, remote_hostio_error, fclose_cleanup) (remote_hostio_close_cleanup, remote_file_put, remote_file_get) (remote_file_delete, remote_put_command, remote_get_command) (remote_delete_command, remote_command): New functions. (_initialize_remote): Register new packets and commands. * Makefile.in (gdb_fileio_h): New variable. (remote.o): Update. (SUBDIR_MI_OBS): Add mi-cmd-target.o. (SUBDIR_MI_SRCS): Add mi/mi-cmd-target.c. (mi-cmd-target.o): New rule. * mi/mi-cmd-target.c: New file. * mi/mi-cmds.c (mi_cmds): Add target-file-delete, target-file-get, and target-file-put. * mi/mi-cmds.h (mi_cmd_target_file_get, mi_cmd_target_file_put) (mi_cmd_target_file_delete): Declare. * remote.h (remote_file_put, remote_file_get, remote_file_delete): Declare. * NEWS: Describe new file transfer support. * gdb.texinfo (Debugging Programs with Multiple Processes): Correct formatting. (Remote Debugging): Add File Transfer section. (Remote Configuration): Document Host I/O packets. (GDB/MI): Add GDB/MI File Transfer Commands section. (Remote Protocol): Add Host I/O Packets section. (Packets): Add vFile. * Makefile.in (OBS): Add hostio.o. (hostio.o): New rule. * server.h (handle_vFile): Declare. * hostio.c: New file. * server.c (handle_v_requests): Take packet_len and new_packet_len for binary packets. Call handle_vFile. (main): Update call to handle_v_requests. * gdb.server/file-transfer.exp, gdb.server/transfer.txt, gdb.mi/mi-file-transfer.exp: New.
2007-11-17(Set Breaks): Fix a typo in last change.Eli Zaretskii1-1/+1
2007-11-17 * gdb.texinfo (Set Breaks, Disabling): Clarify behavior ofEli Zaretskii2-16/+32
breakpoints with multiple locations. (Breakpoint Menus): Improve wording. (Output): Fix last change.
2007-11-17 * config/alpha/alpha-linux.mt: Remove file.Ulrich Weigand2-1/+5
* config/alpha/alpha.mt: Remove file. * config/alpha/alpha-osf1.mt: Remove file. * config/alpha/fbsd.mt: Remove file. * config/alpha/nbsd.mt: Remove file. * config/alpha/obsd.mt: Remove file. * config/arm/embed.mt: Remove file. * config/arm/linux.mt: Remove file. * config/arm/nbsd.mt: Remove file. * config/arm/obsd.mt: Remove file. * config/arm/wince.mt: Remove file. * config/avr/avr.mt: Remove file. * config/cris/cris.mt: Remove file. * config/frv/frv.mt: Remove file. * config/h8300/h8300.mt: Remove file. * config/i386/cygwin.mt: Remove file. * config/i386/fbsd64.mt: Remove file. * config/i386/fbsd.mt: Remove file. * config/i386/i386gnu.mt: Remove file. * config/i386/i386.mt: Remove file. * config/i386/i386sol2.mt: Remove file. * config/i386/linux64.mt: Remove file. * config/i386/linux.mt: Remove file. * config/i386/mingw.mt: Remove file. * config/i386/nbsd64.mt: Remove file. * config/i386/nbsd.mt: Remove file. * config/i386/nto.mt: Remove file. * config/i386/obsd64.mt: Remove file. * config/i386/obsd.mt: Remove file. * config/i386/sol2-64.mt: Remove file. * config/ia64/ia64.mt: Remove file. * config/ia64/linux.mt: Remove file. * config/iq2000/iq2000.mt: Remove file. * config/m32c/m32c.mt: Remove file. * config/m32r/linux.mt: Remove file. * config/m32r/m32r.mt: Remove file. * config/m68hc11/m68hc11.mt: Remove file. * config/m68k/linux.mt: Remove file. * config/m68k/monitor.mt: Remove file. * config/m68k/nbsd.mt: Remove file. * config/m68k/obsd.mt: Remove file. * config/m88k/obsd.mt: Remove file. * config/mep/mep.mt: Remove file. * config/mips/embed.mt: Remove file. * config/mips/irix5.mt: Remove file. * config/mips/irix6.mt: Remove file. * config/mips/linux.mt: Remove file. * config/mips/nbsd.mt: Remove file. * config/mips/obsd64.mt: Remove file. * config/mn10300/linux.mt: Remove file. * config/mn10300/mn10300.mt: Remove file. * config/mt/mt.mt: Remove file. * config/pa/hppahpux.mt: Remove file. * config/pa/hppa.mt: Remove file. * config/pa/linux.mt: Remove file. * config/pa/obsd.mt: Remove file. * config/powerpc/aix.mt: Remove file. * config/powerpc/linux.mt: Remove file. * config/powerpc/nbsd.mt: Remove file. * config/powerpc/obsd.mt: Remove file. * config/powerpc/ppc-eabi.mt: Remove file. * config/s390/s390.mt: Remove file. * config/score/embed.mt: Remove file. * config/sh/embed.mt: Remove file. * config/sh/linux.mt: Remove file. * config/sh/nbsd.mt: Remove file. * config/sh/obsd.mt: Remove file. * config/sh/sh64.mt: Remove file. * config/sparc/embed.mt: Remove file. * config/sparc/fbsd.mt: Remove file. * config/sparc/linux64.mt: Remove file. * config/sparc/linux.mt: Remove file. * config/sparc/nbsd64.mt: Remove file. * config/sparc/nbsd.mt: Remove file. * config/sparc/obsd64.mt: Remove file. * config/sparc/obsd.mt: Remove file. * config/sparc/sol2-64.mt: Remove file. * config/sparc/sol2.mt: Remove file. * config/sparc/sparc64.mt: Remove file. * config/sparc/sparc.mt: Remove file. * config/spu/spu.mt: Remove file. * config/v850/v850.mt: Remove file. * config/vax/nbsd.mt: Remove file. * config/vax/obsd.mt: Remove file. * config/vax/vax.mt: Remove file. * config/xstormy16/xstormy16.mt: Remove file. * config/xtensa/xtensa.mt: Remove file. * configure.tgt (gdb_target_cpu): Remove. Do not set anywhere. (gdb_target): Likewise. (gdb_target_obs): Document. Set for every target to contents of TDEPFILES in former .mt makefile fragment. * configure.ac (TARGET_OBS): Define. (target_makefile_frag, gdb_target_cpu): Do not define. * configure: Regenerate. * Makefile.in (MT_FLAGS): Remove. (GLOBAL_CFLAGS): Update. (TARGET_OBS): Substitute from configure. (DEPFILES): Remove TDEPFILES, add TARGET_OBS. (@target_makefile_frag@): Remove. doc/ChangeLog: * Makefile.in (Makefile): Do not depend on target_makefile_frag. testsuite/ChangeLog: * Makefile.in (Makefile): Do not depend on target_makefile_frag. (target_cpu): Remove.
2007-11-15 * symmisc.c (maintenance_info_symtabs): Print linetable info.Doug Evans2-0/+5
* doc/gdb.texinfo (Symbols): Update output of "maint info symtabs".
2007-11-15 Remove CLEAR_SOLIB use.Vladimir Prus2-4/+5
* corelow.c (core_close): Don't check for CLEAR_SOLIB. * infcmd.c (attach_command): Likewise.
2007-11-12Fix date in the last entry.Joel Brobecker1-1/+1
2007-11-12 * gdb.texinfo (Print Settings): Add documentation for "set/showJoel Brobecker2-0/+50
print frame-arguments".
2007-11-05 * printcmd.c: (printf_command): Add support for new DFPLuis Machado2-0/+32
modifiers %H, %D and %DD. * configure.ac: Add check for DECFLOAT printf support. * configure: Regenerated. * doc/gdb.texinfo: Update printf command's description. * testsuite/gdb.base/printcmds.exp: New function test_printf_with_dfp.
2007-10-30 * ppc-sysv-tdep.c (ppc_sysv_abi_push_dummy_call): Check the selectedDaniel Jacobowitz2-1/+24
soft float and vector ABIs. Support the generic vector ABI for AltiVec types. (do_ppc_sysv_return_value): Likewise. Correct argument types and casts. (ppc64_sysv_abi_push_dummy_call): Assert that floating point is supported. * ppc-tdep.h (enum powerpc_vector_abi): New. (struct gdbarch_tdep): Add soft_float and vector_abi. * rs6000-tdep.c (setpowerpccmdlist, showpowerpccmdlist) (powerpc_soft_float_global, powerpc_vector_strings) (powerpc_vector_abi_global, powerpc_vector_abi_string): New. (rs6000_gdbarch_init): Check for soft-float and vector ABI markings. (set_powerpc_command, show_powerpc_command, powerpc_set_soft_float) (powerpc_set_vector_abi): New. (_initialize_rs6000_tdep): Register "set powerpc" and "show powerpc" commands. * Makefile.in (elf_ppc_h): New. (rs6000-tdep.o): Update. * gdb.texinfo (PowerPC): Document "set powerpc vector-abi" and "set powerpc soft-float". * gdb.arch/altivec-abi.exp: Run multiple times for GCC on GNU/Linux. Test "set powerpc vector-abi". Skip auto-detection tests for old toolchains.
2007-10-24 * gdb.texinfo (Files): Correct formatting. Mention ExpatDaniel Jacobowitz2-6/+37
requirement. (Requirements for Building GDB): Expand the list of Expat uses. (Library List Format, Memory Map Format): Mention Expat. (Target Descriptions): Update Expat wording.
2007-10-24 * amd64-tdep.c (amd64_convert_register_p): Delete.Daniel Jacobowitz2-4/+13
(amd64_init_abi): Use i387_convert_register_p. * alpha-tdep.c (alpha_convert_register_p): Return zero for eight byte types. (alpha_register_to_value, alpha_value_to_register): Do not handle eight byte types. * i386-tdep.c (i386_convert_register_p): Use i387_convert_register_p. * i387-tdep.c (i387_convert_register_p): New. (i387_register_to_value, i387_value_to_register): Update comments. * i387-tdep.h (i387_convert_register_p): Declare. * ia64-tdep.c (ia64_convert_register_p): Return zero for builtin_type_ia64_ext. (ia64_gdbarch_init): Do not initialize builtin_type_ia64_ext here. (_initialize_ia64_tdep): Initialize builtin_type_ia64_ext here. * m68k-tdep.c (m68k_convert_register_p): Return zero for builtin_type_m68881_ext. (m68k_register_to_value, m68k_value_to_register): Update comments. * gdbint.texinfo (Register and Memory Data, Target Conditionals): Document that gdbarch_convert_register_p should return zero for no-op conversions.