matching syscall entry point.
* gdb.base/foll-vfork.exp (tcatch_vfork_then_parent_follow)
(tcatch_vfork_then_child_follow): Likewise. Finish through
vfork even if we stopped at the syscall trampoline.
(frv_gdbarch_init): Register frv_skip_main_prologue.
* solib-frv.c (fetch_loadmap): Return early when no segments are
found.
(frv_relocate_main_executable): Return early when both interpreter
and executable loadmap addresses are zero.
(putpkt_binary, read_frame, getpkt_or_notif_sane_1): Use it. Make
sure debug output printing a packet buffer goes through a single
fprintf_unfiltered call.
* utils.c (vfprintf_unfiltered): If outputting timestamps, end
output with a newline if it wasn't going to already.
* features/Makefile (rs6000/powerpc-isa205-32l-expedite,
rs6000/powerpc-isa205-altivec32l-expedite,
powerpc-isa205-vsx32l-expedite, rs6000/powerpc-isa205-64l-expedite,
rs6000/powerpc-isa205-altivec64l-expedite,
powerpc-isa205-vsx64l-expedite): New variables.
* regformats/rs6000/powerpc-isa205-32l.dat: Generate.
* regformats/rs6000/powerpc-isa205-altivec32l.dat: Generate.
* regformats/rs6000/powerpc-isa205-vsx32l.dat: Generate.
* regformats/rs6000/powerpc-isa205-64l.dat: Generate.
* regformats/rs6000/powerpc-isa205-altivec64l.dat: Generate.
* regformats/rs6000/powerpc-isa205-vsx64l.dat: Generate.
gdbserver/
* Makefile.in (powerpc-isa205-32l.o, powerpc-isa205-32l.c,
powerpc-isa205-altivec32l.o, powerpc-isa205-altivec32l.c,
powerpc-isa205-vsx32l.o, powerpc-isa205-vsx32l.c,
powerpc-isa205-64l.o, powerpc-isa205-64l.c,
powerpc-isa205-altivec64l.o, powerpc-isa205-altivec64l.c,
powerpc-isa205-vsx64l.o, powerpc-isa205-vsx64l.c): New targets.
* configure.srv (powerpc*-*-linux*): Add ISA 2.05 object files and
XML target descriptions.
* linux-ppc-low.c (ppc_arch_setup): Init registers with 64-bit FPSCR
when inferior is running on an ISA 2.05 or later processor. Add
special case to return offset for full 64-bit slot of FPSCR when
in 32-bits.
* ppc-linux-nat.c (ppc_register_u_addr): Add special case to return
offset for full 64-bit slot of FPSCR when in 32-bits.
(ppc_linux_read_description): Return target description with 64-bit
FPSCR when inferior is running on an ISA 2.05 or later processor.
* ppc-linux-tdep.c (_initialize_ppc_linux_tdep): Call
initialize_tdec_powerpc_isa205_32l,
initialize_tdec_powerpc_isa205_altivec32l,
initialize_tdec_powerpc_isa205_vsx32l,
initialize_tdec_powerpc_isa205_64l,
initialize_tdec_powerpc_isa205_altivec64l and
initialize_tdec_powerpc_isa205_vsx64l.
* ppc-linux-tdep.h: Add external declaration for
tdesc_powerpc_isa205_32l, tdesc_powerpc_isa205_altivec32l,
tdesc_powerpc_isa205_vsx32l, tdesc_powerpc_isa205_64l,
tdesc_powerpc_isa205_altivec64l and tdesc_powerpc_isa205_vsx64l.
* features/rs600/powerpc-fpu-isa205.xml: New file.
* features/rs600/powerpc-isa205-32l.xml: New file.
* features/rs600/powerpc-isa205-64l.xml: New file.
* features/rs600/powerpc-isa205-altivec32l.xml: New file.
* features/rs600/powerpc-isa205-altivec64l.xml: New file.
* features/rs600/powerpc-isa205-vsx32l.xml: New file.
* features/rs600/powerpc-isa205-vsx64l.xml: New file.
* features/rs600/powerpc-isa205-32l.c: Generate.
* features/rs600/powerpc-isa205-64l.c: Generate.
* features/rs600/powerpc-isa205-altivec32l.c: Generate.
* features/rs600/powerpc-isa205-altivec64l.c: Generate.
* features/rs600/powerpc-isa205-vsx32l.c: Generate.
* features/rs600/powerpc-isa205-vsx64l.c: Generate.
gdb/testsuite/
* gdb.arch/ppc-dfp.exp: New file.
* gdb.arch/ppc-dfp.c: New file.
* infrun.c (clear_proceed_status_thread): New function.
(clear_proceed_status_callback): New function.
(clear_proceed_status): In all-stop mode, clear per-thread
proceed status of *all* threads, not only the current.
(handle_inferior_event): In all-stop mode, if we're stepping
one thread, but got some inferior event in another thread
that does not cause GDB to break to the user interface,
ensure the interrupted stepping operation continues in the
original thread.
(currently_stepping): Move thread-related tests to ...
(currently_stepping_thread): ... this new function.
(currently_stepping_callback): New function.
* mi/mi-common.h (struct mi_interp): New, moved from ...
* mi/mi-interp.c: ...here.
* mi/mi-main.c (mi_execute_command): If the thread changed
as result of command, report that.
* mi/mi-main.c (proceed_thread_callback): New.
(mi_cmd_exec_continue): If --thread-group is specified, resume all
threads in that group.
(interrupt_thread_callback): New.
(mi_cmd_exec_interrupt): If --thread-group is specified, interrupt
all threads in that group.
* dwarf2read.c (dwarf2_debug_line_missing_end_sequence_complaint):
New function.
(dwarf_decode_lines): Detect null file numbers. Detect the end of
the line program sequence when no end sequence is emitted.
PR mi/2549:
* mi/mi-main.c (get_register): Use get_formatted_print_options.
gdb/testsuite
2008-11-14 Nick Roberts <nickrob@snap.net.nz>
* gdb.mi/gdb2549.exp: New file.
(do_all_inferior_continuations)
(discard_all_inferior_continuations): Declare.
* utils.c (add_inferior_continuation)
(do_all_inferior_continuations)
(discard_all_inferior_continuations): New.
* inferior.h (struct inferior) <continuations>: New field.
* inferior.c (free_inferior): Discard all the inferior
continuations.
* inf-loop.c (inferior_event_handler): Do all current inferior
continuations.
* infcmd.c (attach_command): Register an inferior continuation
instead of a thread continuation.
* infrun.c (handle_inferior_event): If stop_soon is
STOP_QUIETLY_NO_SIGSTOP, also expect a TARGET_SIGNAL_0.
fetch libraries and insert breakpoints after connecting.
* infcmd.c (post_create_inferior): If the solist is shared between
inferiors, no need to refetch it on every new inferior.
(detach_command): If the shared library list is shared between
inferiors, then don't clear it on every inferior detach.
* gdbarch.sh (has_global_solist): New.
* i386-dicos-tdep.c (i386_dicos_init_abi): Set
gdbarch_has_global_solist.
* target.c (target_pre_inferior): If the shared library list is
shared between inferiors, then don't clear it here, neither
invalidate the memory regions or clear the target description.
(target_detach): If the shared library list is shared between
inferiors, then don't remove breakpoints from the target here.
(target_disconnect): Comment.
* solib.c (update_solib_list): Check for null_ptid.
* breakpoint.c (insert_breakpoints, update_global_location_list):
If the shared library list is shared between inferiors, insert
breakpoints even if there's no execution.
(breakpoint_init_inferior): If the shared library list is shared
between inferiors, don't delete breakpoints or mark them
uninserted here.
* gdbarch.c, gdbarch.h: Regenerate.
* reggroups.c (maintenance_print_reggroups): Make a cleanup.
* regcache.c (regcache_print): Make a cleanup.
* maint.c (maintenance_print_architecture): Make a cleanup.
* dummy-frame.c (maintenance_print_dummy_frames): Make a cleanup.
(psymtab_to_fullname): Likewise.
(get_filename_and_charpos): Make a cleanup.
(forward_search_command): Likewise.
(reverse_search_command): Likewise.
* exec.c (exec_file_attach): Close scratch_chan on failure.
* nto-procfs.c (procfs_open): Make a cleanup.
(procfs_pidlist): Likewise.
(do_closedir_cleanup): New function.
field.
(target_supports_multi_process): New define.
* target.c (update_current_target): Inherit and de_fault
to_supports_multi_process.
* infcmd.c (attach_command): Allow attaching to multiple processes
if the target supports it.
(detach_command): If the target claims there is still execution,
don't clear the thread list.
* remote.c (remote_supports_multi_process): New.
(init_remote_ops): Register remote_supports_multi_process.
after getting all the pending execs. On TARGET_WAITKIND_IGNORE,
keep waiting, don't resume. On all other cases but
TARGET_WAITKIND_SIGNALLED and TARGET_WAITKIND_EXITED, switch to
the event ptid.
* remote.c (pending_stop_reply): New.
(struct remote_state) <non_stop_aware, support_vCont_t>: New
fields.
(remote_async_inferior_event_token)
(remote_async_get_pending_events_token): New.
(notice_new_inferiors): New, abstracted out from record_currthread.
(record_currthread): Call it.
(remote_threads_info): Default threads to running in non-stop
mode. In non-stop mode, only qfThreadInfo is supported.
(remote_close): Discard all pending stop_replies. Close the event
sources.
(set_stop_requested_callback): New.
(remote_start_remote): Implement non-stop mode startup. In
all-stop, don't clear the thread list here.
(remote_non_stop_feature): New.
(remote_protocol_features): Add a "QNonStop" feature.
(remote_open_1): Clear cached_wait_status and non_stop_aware.
Clear the thread list here.
(remote_detach_1): Discard pending stop replies of the process we
detached from.
(extended_remote_attach_1): Implement non-stop mode.
(remote_vcont_probe): Recognize `vCont;t'.
(remote_vcont_resume): Implement non-stop mode.
(remote_resume): Don't set waiting_for_stop_reply in non-stop
mode.
(remote_stop_ns): New.
(remote_stop): Rename to ...
(remote_stop_as): ... this. If we have a cached wait status,
don't bother interrupting the remote.
(remote_stop): Reimplement as wrapper around remote_stop_as and
remote_stop_ns.
(interrupt_query): Don't query in async mode.
(struct cached_reg, cahed_reg_t): New.
(struct stop_reply): New.
(stop_reply_queue): New.
(stop_reply_xmalloc, stop_reply_xfree)
(discard_pending_stop_replies, do_stop_reply_xfree)
(queued_stop_reply, push_stop_reply, peek_stop_reply)
(remote_parse_stop_reply, remote_get_pending_stop_replies)
(process_stop_reply): New.
(remote_wait_ns): New.
(remote_wait_as): Use remote_parse_stop_reply. Invalidate the
notion of current general thread is a process exit was reported.
(remote_wait): Call remote_wait_ns in non-stop mode.
(handle_notification): New.
(putpkt_binary): Handle notifications. Don't care for
waiting_for_stop_reply in non-stop mode.
(getpkt_sane): Rename to ...
(getpkt_or_notif_sane_1): ... this. Add `expecting_notif'
argument. Handle it. Handle notifications.
(getpkt_sane): Reimplement as wrapper around getpkt_or_notif_sane_1.
(getpkt_or_notif_sane): New.
(select_new_thread_callback): Check for exited state instead of
comparing the ptid against minus_one_ptid.
(extended_remote_create_inferior_1): Query the remote about the
current thread.
(remote_supports_non_stop): New.
(init_remote_ops): Register it.
(remote_async_inferior_event_handler): New.
(remote_async_get_pending_events_handler): New.
* infcmd.c (proceed_thread_callback): Comment.
(proceed_after_attach_callback, proceed_after_attach): New.
(attach_command_post_wait): In background attach, resume all
threads, but only if they are unsignalled, and not explicitly
stopped. In foreground attach, in non-stop mode, make sure to
stop all threads of the just attached to process.
(attach_command): In non-stop mode: If doing a background attach,
stop at least one thread. If a foreground attach, stop all
threads.
(async_event_handler): Forward declare.
(async_event_handler_func): New typedef.
(create_async_event_handler, delete_async_event_handler)
(mark_async_event_handler): Declare.
* event-loop.c (event_data): New.
(event_handler_func): Take an event_data instead of an integer.
(struct gdb_event): Replace the integer file descriptor by a
generic event_data.
(async_event_handler): New.
(async_handler_ready): Delete.
(async_event_handler_list): New.
(create_event): New.
(create_file_event): Use it.
(process_event): Adjust.
(gdb_do_one_event): Poll from the event sources in round-robin
fashion across calls. Be sure to consult all sources before
blocking.
(handle_file_event): Take an event_data instead of an integer.
Adjust.
(gdb_wait_for_event): Add `block' argument. Handle it.
(mark_async_signal_handler): Remove unneeded cast.
(invoke_async_signal_handler): Rename to ...
(invoke_async_signal_handlres): ... this. Return true if any was
handled.
(check_async_ready): Delete
(create_async_event_handler): New.
(mark_async_event_handler): New.
(struct async_event_handler_data): New.
(invoke_async_event_handler): New.
(check_async_event_handlers): New.
(delete_async_event_handler): New.
(handle_timer_event): Adjust.
Pedro Alves <pedro@codesourcery.com>
* infrun.c (can_use_displaced_stepping): Change type to
const char pointer.
(can_use_displaced_stepping_auto): New string.
(can_use_displaced_stepping_on): New string.
(can_use_displaced_stepping_off): New string.
(can_use_displaced_stepping_enum): New array.
(show_can_use_displaced_stepping): In auto mode, also show
the current effect of the option.
(use_displaced_stepping): Return non-zero if displaced
stepping is auto, and can be used with GDBARCH, and in
non-stop mode. Return non-zero if displaced stepping is on,
and can be used with GDBARCH. Return zero otherwise.
(_initialize_infrun): Make the "set displaced-stepping"
command an enum command. Change its class to class_run.
Place it in the top level set list. Extend help to describe
the auto mode.
2008-10-24 Hui Zhu <teawater@gmail.com>
Pedro Alves <pedro@codesourcery.com>
* gdb.texinfo (displaced-stepping): Describe the auto mode
setting, and say it's the default. This is now a mainstream
setting instead of a maintenance setting.
2008-10-23 Pedro Alves <pedro@codesourcery.com>
* defs.h: Mention ptid_is_pid.
* inferior.h (ptid_is_pid): Declare.
* gdbthread.h (struct thread_info) <stop_requested>: New field.
(set_stop_requested): Declare.
* infcmd.c (interrupt_target_1): Call set_stop_requested.
* infrun.c (clear_proceed_status): Clear stop_requested.
(infrun_thread_stop_requested_callback,
infrun_thread_stop_requested): New.
(handle_inferior_event): If a TARGET_SIGNAL_TRAP is reported on a
thread that had an explicit stop request, pretend we got a
TARGET_SIGNAL_0. Always stop if the thread had an explicit stop
request.
(print_stop_reason): In the SIGNAL_RECEIVED case, if we're not
outputting to MI, and we got a TARGET_SIGNAL_0, print "# Stopped",
instead of mentioning signal 0.
(ptid_is_pid): New.
* thread.c (set_stop_requested): New.
* linux-nat.c (queued_waitpid): Rename to ...
(queued_waitpid_1): ... this. Add `peek' argument. Handle it.
(queued_waitpid): New, as wrapper to queued_waitpid_1.
(push_waitpid): Push the SIGTRAP to the local event queue, to the
kernel's.
(send_sigint_callback): Delete.
(linux_nat_stop_lwp): New.
(linux_nat_stop): Use it.
gdb/doc/
2008-10-23 Pedro Alves <pedro@codesourcery.com>
* observer.texi (thread_stop_requested): New.
gdb/testsuite/
2008-10-23 Pedro Alves <pedro@codesourcery.com>
* lib/mi-support.exp (mi_expect_interrupt): Expect signal 0
instead of SIGINT.
"yes", and set enable_tui to "no" if previously set to "auto".
Check for waddstr only if TUI support was requested. Move the
part of the configure script that updates various Makefile
variables up, together with the check for waddstr.
* configure: Regenerate.
Target interface for reverse debugging.
* target.h (enum target_waitkind):
Add new wait event, TARGET_WAITKIND_NO_HISTORY.
(struct target_ops): New method to_can_execute_reverse.
(target_can_execute_reverse): New macro.
* target.c (update_current_target): Inherit to_can_execute_reverse.
Remote interface for reverse debugging.
* remote.c (remote_can_execute_reverse): New target method.
(remote_resume): Check for reverse exec direction, and send
appropriate command to target.
(remote_wait_as): Check target response for NO_HISTORY status.
Also check for empty reply (target doesn't understand "bs" or "bc).
(remote_vcont_resume): Jump out if attempting reverse execution.
Event handling interface for reverse debugging.
* infrun.c (execution_direction): New state variable.
(enum inferior_stop_reason): Add NO_HISTORY reason.
(handle_inferior_event): Handle TARGET_WAITKIND_NO_HISTORY.
Handle stepping over a function call in reverse.
Handle stepping thru a line range in reverse.
Handle setting a step-resume breakpoint in reverse.
Handle stepping into a function in reverse.
Handle stepping between line ranges in reverse.
(print_stop_reason): Print reason for NO_HISTORY.
(step_into_function): Rename to handle_step_into_function.
(handle_step_into_function_backward): New function.
(set_exec_direction_func, show_exec_direction_func): New funcs.
(proceed): No need to singlestep over a breakpoint
when resuming in reverse.
* inferior.h (enum exec_direction_kind): New enum.
(execution_direction): Export new execution state variable.
* breakpoint.c (make_breakpoint_silent): New function.
* breakpoint.h (make_breakpoint_silent): Export.
* infcmd.c (finish_command): Check for reverse exec direction.
(finish_backward): New function, handle finish cmd in reverse.
User interface for reverse execution.
* Makefile.in (reverse.c): New file.
* reverse.c: New file. User interface for reverse execution.
Delete bp_catch_fork and bp_catch_vfork.
(struct breakpoint_ops): Add new methods "insert", "remove"
and "breakpoint_hit".
* breakpoint.c (create_fork_vfork_event_catchpoint)
(create_fork_event_catchpoint, create_vfork_event_catchpoint): Remove.
(insert_catchpoint): Remove handling of bp_catch_fork and
bp_catch_vfork catchpoints, and handle them as bp_catchpoint
catchpoints instead.
(insert_bp_location, update_breakpoints_after_exec)
(remove_breakpoint, bpstat_check_location, bpstat_what)
(allocate_bp_location): Likewise.
(print_it_typical, print_one_breakpoint_location, mention): Remove
handling of bp_catch_fork and bp_catch_vfork breakpoints.
(ep_is_catchpoint, user_settable_breakpoint)
(breakpoint_address_is_meaningful, adjust_breakpoint_address)
(breakpoint_re_set_one, disable_command, enable_command):
Remove use of bp_catch_fork and bp_catch_vfork. Add handling of
bp_catchpoint breakpoints.
(insert_catch_fork, remove_catch_fork, breakpoint_hit_catch_fork)
(print_it_catch_fork, print_one_catch_fork, print_mention_catch_fork):
New functions.
(catch_fork_breakpoint_ops): New static constant.
(insert_catch_vfork, remove_catch_vfork, breakpoint_hit_catch_vfork)
(print_it_catch_vfork, print_one_catch_vfork)
(print_mention_catch_vfork): New functions.
(catch_vfork_breakpoint_ops): New static constant.
(create_catchpoint, create_fork_vfork_event_catchpoint): New functions.
(catch_fork_command_1): Use create_fork_vfork_event_catchpoint
to create the fork and vfork catchpoints.
(gnu_v3_exception_catchpoint_ops): Set new breakpoint_ops fields.
* ada-lang.c (catch_exception_breakpoint_ops): Set new breakpoint_ops
fields.
(catch_exception_unhandled_breakpoint_ops): Likewise.
(catch_assert_breakpoint_ops): Likewise.
loop. Always restore the SIGINT handler. Discard all inferiors
here.
(remote_detach_1, remote_disconnect): Don't unregister the file
descriptor from the event loop here.
(interrupt_query, readchar, getpkt_sane): Pop the target instead
of morning the current inferior.
(remote_kill): Don't unregister the file descriptor from the event
loop here.
(remote_mourn_1): Don't discard inferiors here.
* breakpoint.c (breakpoint_init_inferior): Clean up the moribund
locations list.
(moribund_breakpoint_here_p): Record the moribund
location in the moribund_locations vector.
* breakpoint.h (moribund_breakpoint_here_p): Declare.
(displaced_step_fixup): Check if the breakpoint the thread was
trying to step over has been removed since having been placed in
the displaced stepping queue.
(adjust_pc_after_break): In non-stop mode, check for a moribund
breakpoint at the stop pc.
(handle_inferior_event): Don't retire moribund breakpoints on
TARGET_WAITKIND_IGNORE.
gdb/testsuite/
* gdb.mi/mi-nsmoribund.exp, gdb.mi/nsmoribund.c: New test.
(remote_wait_as): ... this. Don't loop here. If the remote
didn't stop, return TARGET_WAITKIND_IGNORE.
(remote_wait): New, reimplemented on top of remote_wait_as.
Make it compile without warnings.
* procfs.c (create_procinfo): Initialize `parent'.
(dead_procinfo): Pass a constant string as format to error.
(procfs_address_to_host_pointer): Add cast to gdb_type *.
(procfs_find_LDT_entry): Adjust format string to long int
ptid.tid.
(procfs_xfer_partial): Adjust prototype. Add gdb_byte* cast.
(procfs_xfer_memory): Adjust prototype.
(info_mappings_callback, info_proc_mappings): Adjust to not pass a
variable as printf_filtered format.
(procfs_make_note_section): Change type of auxv local to gdb_byte.
* Makefile.in: Remove special rule.
querying supported features, activating noack mode, finding the
target description, enabling extended remote, and checking remote
symbols from here ...
(remote_start_remote): ... to here.
(remote_open_1): Don't pop the target if it is already gone.
* target.c (unpush_target): Check for the dummy target.
field.
(remote_open_1): Clear waiting_for_stop_reply.
(remote_resume): Set waiting_for_stop_reply.
(remote_wait): Clear or set waiting_for_stop_reply accordingly.
(putpkt_binary): If we're in async mode and waiting for a stop
reply, bail out with an error.
(extended_remote_mourn_1): Clear waiting_for_stop_reply.
(dump_die_shallow): Renamed from dump_die, New args f, indent.
Print to specified file, indented by the specified amount.
(dump_die_for_error): New fn. Point all existing callers of
dump_die here.
(dump_die_die_1,dump_die): New fns, replaces ...
(dump_die_list): ... deleted.
(read_die_and_children_1): Old contents of read_die_and_children
moved here.
(read_die_and_children): Rewrite.
(read_die_and_siblings): Call read_die_and_children_1 instead of
read_die_and_children.
(_initialize_dwarf2_read): New option "debug dwarf2-die".
* gdbinit.in (pdie): New macro.
* doc/gdb.texinfo (set debug dwarf2-die): Document it.
(find_partial_die,follow_die_ref): Use it.
* gdb.dwarf2/dw2-cu-size.exp: New file.
* gdb.dwarf2/dw2-cu-size.S: New file.
* gdb.dwarf2/dw2-intercu.S (.Ltype_int_in_cu2): Renamed from
.Ltype_int for clarity.
gdbadmin
Vladimir Prus
Joel Brobecker
Tom Tromey
Doug Evans
Andreas Schwab
Pedro Alves
Kevin Buettner
Bob Wilson
Paul Pluzhnikov
Thiago Jung Bauermann
Ulrich Weigand
Daniel Jacobowitz
Jan Kratochvil
Joel Sherrill
Eli Zaretskii
Michael Snyder
Sandra Loosemore
Hui Zhu
Aleksandar Ristovski
Denis Pilat
Thomas Schwinge