* breakpoint.h (bp_location): Add related_address member.
* inferior.h (get_return_value): Take a pointer to struct value
instead of struct type for the function requested.
* value.h (using_struct_return): Likewise.
* gdbarch.sh (return_value): Take a pointer to struct value
instead of struct type for the function requested.
* breakpoint.c (set_breakpoint_location_function): Initialize
related_address for bp_gnu_ifunc_resolver breakpoints.
* elfread.c (elf_gnu_ifunc_resolver_return_stop): Pass the
requested function's address to gdbarch_return_value.
* eval.c (evaluate_subexp_standard): Pass the requested
function's address to using_struct_return.
* infcall.c (call_function_by_hand): Pass the requested
function's address to using_struct_return and
gdbarch_return_value.
* infcmd.c (get_return_value): Take a pointer to struct value
instead of struct type for the function requested.
(print_return_value): Update accordingly.
(finish_command_continuation): Likewise.
* stack.c (return_command): Pass the requested function's
address to using_struct_return and gdbarch_return_value.
* value.c (using_struct_return): Take a pointer to struct value
instead of struct type for the function requested. Pass the
requested function's address to gdbarch_return_value.
* python/py-finishbreakpoint.c (finish_breakpoint_object):
New function_value member, replacing function_type.
(bpfinishpy_dealloc): Update accordingly.
(bpfinishpy_pre_stop_hook): Likewise.
(bpfinishpy_init): Likewise. Record the requested function's
address.
* mips-tdep.c (mips_fval_reg): New enum.
(mips_o32_push_dummy_call): For MIPS16 FP doubles do not swap
words put in GP registers.
(mips_o64_push_dummy_call): Update a comment.
(mips_o32_return_value): Take a pointer to struct value instead
of struct type for the function requested and use it to check if
using the MIPS16 calling convention. Return the designated
general purpose registers for floating-point values returned in
MIPS16 mode.
(mips_o64_return_value): Likewise.
* ppc-tdep.h (ppc_sysv_abi_return_value): Update prototype.
(ppc_sysv_abi_broken_return_value): Likewise.
(ppc64_sysv_abi_return_value): Likewise.
* alpha-tdep.c (alpha_return_value): Take a pointer to struct
value instead of struct type for the function requested.
* amd64-tdep.c (amd64_return_value): Likewise.
* amd64-windows-tdep.c (amd64_windows_return_value): Likewise.
* arm-tdep.c (arm_return_value): Likewise.
* avr-tdep.c (avr_return_value): Likewise.
* bfin-tdep.c (bfin_return_value): Likewise.
* cris-tdep.c (cris_return_value): Likewise.
* frv-tdep.c (frv_return_value): Likewise.
* h8300-tdep.c (h8300_return_value): Likewise.
(h8300h_return_value): Likewise.
* hppa-tdep.c (hppa32_return_value): Likewise.
(hppa64_return_value): Likewise.
* i386-tdep.c (i386_return_value): Likewise.
* ia64-tdep.c (ia64_return_value): Likewise.
* iq2000-tdep.c (iq2000_return_value): Likewise.
* lm32-tdep.c (lm32_return_value): Likewise.
* m32c-tdep.c (m32c_return_value): Likewise.
* m32r-tdep.c (m32r_return_value): Likewise.
* m68hc11-tdep.c (m68hc11_return_value): Likewise.
* m68k-tdep.c (m68k_return_value): Likewise.
(m68k_svr4_return_value): Likewise.
* m88k-tdep.c (m88k_return_value): Likewise.
* mep-tdep.c (mep_return_value): Likewise.
* microblaze-tdep.c (microblaze_return_value): Likewise.
* mn10300-tdep.c (mn10300_return_value): Likewise.
* moxie-tdep.c (moxie_return_value): Likewise.
* mt-tdep.c (mt_return_value): Likewise.
* ppc-linux-tdep.c (ppc_linux_return_value): Likewise.
* ppc-sysv-tdep.c (ppc_sysv_abi_return_value): Likewise.
(ppc_sysv_abi_broken_return_value): Likewise.
(ppc64_sysv_abi_return_value): Likewise.
* ppcnbsd-tdep.c (ppcnbsd_return_value): Likewise.
* rl78-tdep.c (rl78_return_value): Likewise.
* rs6000-aix-tdep.c (rs6000_return_value): Likewise.
* rx-tdep.c (rx_return_value): Likewise.
* s390-tdep.c (s390_return_value): Likewise.
* score-tdep.c (score_return_value): Likewise.
* sh-tdep.c (sh_return_value_nofpu): Likewise.
(sh_return_value_fpu): Likewise.
* sh64-tdep.c (sh64_return_value): Likewise.
* sparc-tdep.c (sparc32_return_value): Likewise.
* sparc64-tdep.c (sparc64_return_value): Likewise.
* spu-tdep.c (spu_return_value): Likewise.
* tic6x-tdep.c (tic6x_return_value): Likewise.
* v850-tdep.c (v850_return_value): Likewise.
* vax-tdep.c (vax_return_value): Likewise.
* xstormy16-tdep.c (xstormy16_return_value): Likewise.
* xtensa-tdep.c (xtensa_return_value): Likewise.
* gdbarch.c: Regenerate.
* gdbarch.h: Regenerate.
gdb/testsuite/
* gdb.base/return-nodebug.exp: Also test float and double types.
* gdbarch.c, gdbarch.h: Regenerate.
* infcmd.c (info_proc_cmd_1): Try gdbarch info_proc callback
before falling back to the target info_proc callback.
* linux-nat.c: Do not include "cli/cli-utils.h".
(linux_nat_info_proc): Remove.
(linux_target_install_ops): No longer install it.
* linux-tdep.c: Include "cli/cli-utils.h" and <ctype.h>.
(read_mapping): New function.
(linux_info_proc): Likewise.
(linux_init_abi): Install it.
* Makefile.in (SUBDIR_PYTHON_OBS): Add py-finishbreakpoint.o.
(SUBDIR_PYTHON_SRCS): Add python/py-finishbreakpoint.c.
Add build rule for this file.
* infcmd.c (print_return_value): Split to create get_return_value.
(get_return_value): New function based on print_return_value. Handle
case where stop_registers are not set.
* inferior.h (get_return_value): New prototype.
* python/py-breakpoint.c (bppy_pending_object): Make non-static.
(gdbpy_breakpoint_created): Set is_py_finish_bp is necessary.
(struct breakpoint_object): Move to python-internal.h
(BPPY_REQUIRE_VALID): Likewise.
(BPPY_SET_REQUIRE_VALID): Likewise.
(gdbpy_breakpoint_created): Initialize is_finish_bp.
(gdbpy_should_stop): Add pre/post hooks before/after calling stop
method.
* python/python-internal.h (breakpoint_object_type): Add as extern.
(bppy_pending_object): Likewise.
(typedef struct breakpoint_object) Removed.
(struct breakpoint_object): Moved from py-breakpoint.c.
Add field is_finish_bp.
(BPPY_REQUIRE_VALID): Moved from py-breakpoint.c.
(BPPY_SET_REQUIRE_VALID): Likewise.
(frame_object_to_frame_info): New prototype.
(gdbpy_initialize_finishbreakpoints): New prototype.
(bpfinishpy_is_finish_bp): Likewise.
(bpfinishpy_pre_stop_hook): Likewise.
(bpfinishpy_post_stop_hook): Likewise.
* python/py-finishbreakpoint.c: New file.
* python/py-frame.c(frame_object_to_frame_info): Make non-static and
accept PyObject instead of frame_object.
(frapy_is_valid): Don't cast to frame_object.
(frapy_name): Likewise.
(frapy_type): Likewise.
(frapy_unwind_stop_reason): Likewise.
(frapy_pc): Likewise.
(frapy_block): Likewise.
(frapy_function): Likewise.
(frapy_older): Likewise.
(frapy_newer): Likewise.
(frapy_find_sal): Likewise.
(frapy_read_var): Likewise.
(frapy_select): Likewise.
* python/python.c (gdbpy_is_stopped_at_finish_bp): New noop function.
(_initialize_python): Add gdbpy_initialize_finishbreakpoints.
* python/python.h: Include breakpoint.h
(gdbpy_is_stopped_at_finish_bp): New prototype.
doc/
* gdb.texinfo (Finish Breakpoints in Python): New subsection.
(Python API): Add menu entry for Finish Breakpoints.
testsuite/
* Makefile.in (EXECUTABLES): Add py-finish-breakpoint and
py-finish-breakpoint2
(MISCALLANEOUS): Add py-events-shlib.so and py-events-shlib-nodebug.so
* gdb.python/py-breakpoint.exp (mult_line): Define and use variable
instead of line number.
* gdb.python/py-finish-breakpoint.c: New file.
* gdb.python/py-finish-breakpoint.exp: New file.
* gdb.python/py-finish-breakpoint.py: New file.
* gdb.python/py-finish-breakpoint2.cc: New file.
* gdb.python/py-finish-breakpoint2.exp: New file.
* gdb.python/py-finish-breakpoint2.py: New file.
gdb/
* continuations.h (continuation_ftype): Add `err' parameter.
Document parameters.
(do_all_continuations, do_all_continuations_thread)
(do_all_intermediate_continuations)
(do_all_intermediate_continuations_thread)
(do_all_inferior_continuations): Add `err' parameter.
* continuations.c (do_my_continuations_1, do_my_continuations)
(do_all_inferior_continuations, do_all_continuations_ptid)
(do_all_continuations_thread_callback)
(do_all_continuations_thread, do_all_continuations)
(do_all_intermediate_continuations_thread_callback)
(do_all_intermediate_continuations_thread)
(do_all_intermediate_continuations): Add `err' parameter, and pass
it down all the way to the continuations proper.
* inf-loop.c (inferior_event_handler): If fetching an inferior
event throws an error, don't pop the target, and still call the
continuations, but with `err' set. Adjust all other continuation
calls.
* breakpoint.c (until_break_command_continuation): Add `err'
parameter.
* infcmd.c (step_1_continuation): Add `err' parameter. Don't
issue another step if `err' is set.
(struct until_next_continuation_args): New.
(until_next_continuation): Add `err' parameter. Adjust.
(until_next_command): Adjust.
(struct finish_command_continuation_args): Add `thread' field.
(finish_command_continuation): Add `err' parameter. Handle it.
(finish_forward): Adjust.
(attach_command_continuation): Add `err' parameter. Handle it.
* infrun.c (infrun_thread_stop_requested_callback): Adjust to
cancel the continuations.
* interps.c (interp_set): Adjust to cancel the continuations.
* thread.c (clear_thread_inferior_resources): Adjust to cancel the
continuations rather than discarding.
(free_thread): Don't clear thread inferior resources here.
(delete_thread_1): Do it here instead. And do it before removing
the thread from the threads list. Tag the thread as exited before
clearing thread inferior resources.
gdb/
* infcmd.c (finish_backward): Set a step-resume breakpoint at the
function's entry point instead of a manually managed momentary
breakpoint, and only ever issue one proceed call.
* infrun.c (handle_inferior_event) <BPSTAT_WHAT_STEP_RESUME>: If
doing a reverse-finish, switch to stepi mode, to do another step.
(insert_step_resume_breakpoint_at_sal): Make public.
(normal_stop): No need to save function value return registers if
going reverse.
* inferior.h (insert_step_resume_breakpoint_at_sal): Declare.
gdb/testsuite/
* gdb.reverse/finish-reverse-bkpt.exp: New test.
gdb/
* infcmd.c: Include "inf-loop.h".
(step_once): When stepping into an inline subroutine, pretend the
target has run. If the target can async, switch the inferior
event loop to INF_EXEC_COMPLETE.
* inferior.h (user_visible_resume_ptid): Declare.
* infrun.c (user_visible_resume_ptid): New function, factored out
from `resume'.
(resume): Use it.
* mi/mi-main.c (mi_execute_async_cli_command): Remove assertion
that the current thread is running. Merge async and sync
branches.
Rename and move inferior_thread_state and inferior_status.
* gdbthread.h (struct thread_control_state): New struct, move fields
step_range_start, step_range_end, step_frame_id, step_stack_frame_id,
trap_expected, proceed_to_finish, in_infcall, step_over_calls,
stop_step and stop_bpstat here from struct thread_info.
(struct thread_suspend_state): New struct, move field stop_signal here
from struct thread_info.
(struct thread_info): Move the fields above from this struct.
* inferior.h: Move the inferior_thread_state and inferior_status
declarations comment to their definitions at infrun.c.
(struct inferior_control_state): New struct, move field stop_soon from
struct inferior here.
(struct inferior_suspend_state): New empty struct.
(struct inferior): New fields control and suspend. Move out field
stop_soon.
* infrun.c (struct inferior_thread_state): Rename to ...
(infcall_suspend_state): ... here. Replace field stop_signal by
fields thread_suspend and inferior_suspend.
(save_inferior_thread_state): Rename to ...
(save_infcall_suspend_state): ... here. New variable inf. Update the
code for new fields.
(restore_inferior_thread_state): Rename to ...
(restore_infcall_suspend_state): ... here. New variable inf. Update
the code for new fields.
(do_restore_inferior_thread_state_cleanup): Rename to ...
(do_restore_infcall_suspend_state_cleanup): ... here.
(make_cleanup_restore_inferior_thread_state): Rename to ...
(make_cleanup_restore_infcall_suspend_state): ... here.
(discard_inferior_thread_state): Rename to ...
(discard_infcall_suspend_state): ... here.
(get_inferior_thread_state_regcache): Rename to ...
(get_infcall_suspend_state_regcache): ... here.
(struct inferior_status): Rename to ...
(struct infcall_control_state): ... here. Replace fields
step_range_start, step_range_end, step_frame_id, step_stack_frame_id,
trap_expected, proceed_to_finish, in_infcall, step_over_calls,
stop_step, stop_bpstat and stop_soon by fields thread_control and
inferior_control.
(save_inferior_status): Rename to ...
(save_infcall_control_state): ... here. Update the code for new
fields.
(restore_inferior_status): Rename to ...
(restore_infcall_control_state): ... here. Update the code for new
fields.
(do_restore_inferior_status_cleanup): Rename to ...
(do_restore_infcall_control_state_cleanup): ... here.
(make_cleanup_restore_inferior_status): Rename to ...
(make_cleanup_restore_infcall_control_state): ... here.
(discard_inferior_status): Rename to ...
(discard_infcall_control_state): ... here.
* alpha-tdep.c, breakpoint.c, dummy-frame.c, dummy-frame.h,
exceptions.c, fbsd-nat.c, gdbthread.h, infcall.c, infcmd.c,
inferior.c, inferior.h, infrun.c, linux-nat.c, mi/mi-interp.c,
mips-tdep.c, procfs.c, solib-irix.c, solib-osf.c, solib-spu.c,
solib-sunos.c, solib-svr4.c, thread.c, windows-nat.c: Update all the
references to the moved fields and renamed functions.
* infcall.c: White space.
* inf-child.c: White space.
* infcmd.c: White space.
* inferior.c: White space.
* inf-loop.c: White space.
* inflow.c: White space.
* inline-frame.c: White space.
* interps.c: White space.
Pedro Alves <pedro@codesourcery.com>
* tracepoint.h (struct trace_status): New fields disconnected_tracing
and circular_buffer.
(disconnect_tracing): Rename from disconnect_or_stop_tracing.
* tracepoint.c (trace_status_command): Display target's status for
disconnected tracing and circular buffer.
(disconnect_tracing): Rename from disconnect_or_stop_tracing, add
query for non-disconnected-tracing case, remove the stop_tracing
call.
(tfile_open): Clear disconnected and circular buffer status.
(trace_save): Save disconnected and circular buffer status.
(parse_trace_status): Parse disconnected and circular buffer status,
also recognize disconnected as a stop reason.
* remote.c (remote_set_disconnected_tracing): Only set
QTDisconnected if the remote end supports disconnected tracing.
Warn otherwise, if trying to enable disconnected tracing.
* infcmd.c (detach_command): Update disconnect_tracing call.
* cli/cli-cmds.c (quit_command): Ditto.
* gdb.texinfo (Tracepoint Packets): Describe disconn and circular
trace status fields.
* infcmd.c (until_command): Use ERROR_NO_INFERIOR. Ensure there's
a valid selected thread, and that it is not running.
(advance_command): Ditto.
(finish_command): Ditto.
gdb/testsuite/
* gdb.base/default.exp: Adjust.
* infcmd.c (inferior_args): Rename to ...
(inferior_args_scratch): ... this.
(inferior_io_terminal): Rename to ...
(inferior_io_terminal_scratch): ... this.
(inferior_argc, inferior_argv): Remove.
(set_inferior_io_terminal, get_inferior_io_terminal): Store
inside current_inferior().
(set_inferior_tty_command, show_inferior_tty_command): New.
(get_inferior_args, set_inferior_args): Store inside
current_inferior().
(notice_args_set): Likewise and rename to...
(set_args_command): ... this.
(set_inferior_args_vector): Likewise.
(notice_args_read): Rename to...
(show_args_command): ...new.
(tty_command): Remove.
(run_command_1): Don't free old args, as they are freed by
set_inferior_arg now.
(run_no_args_command): Likewise.
(inferior_environ): Remove.
(run_command_1): Use environment of the current inferior.
(environment_info, set_environment_command)
(unset_environment_command, path_info, path_command): Likewise.
(_initialize_infcmd): Adjust for function and variable renames.
Do not init inferior_environ.
* inferior.h (set_inferior_arg): Adjust prototype.
(struct inferior): New fields args, argc, argv, terminal, environment.
(inferior_environ): Remove declaration.
* inferior.c (free_inferior): Free new fields.
(add_inferior_silent): Initialize 'environment' field.
* main.c (captured_main): Set arguments only after the initial
inferior has been created. Set set_inferior_io_terminal,
not tty_command.
* mi/mi-main.c (mi_cmd_env_path): Use environment of the current
inferior.
(_initialize_mi_cmd_env): Adjust for disappearance of global
inferior_environ.
* solib.c (solib_find): Use environment of the current inferior.
* infcmd.c (detach_command): Ask whether to stop tracing.
* cli/cli-cmds.c (quit_command): Ditto.
* breakpoint.h (struct breakpoint): New field number_on_target.
* breakpoint.c (create_tracepoint_from_upload): New function.
(get_tracepoint_by_number_on_target): New function.
* remote.c (struct remote): New field disconnected_tracing.
(remote_disconnected_tracing_feature): New function.
(remote_protocol_features): Add DisconnectedTracing.
(struct uploaded_tp): New struct.
(uploaded_tps): New global.
(get_uploaded_tp): New function.
(find_matching_tracepoint): New function.
(remote_get_tracing_state): New function.
(remote_start_remote): Call it.
* tracepoint.c (disconnected_tracing): New global.
(trace_start_command): Initialize number_on_target.
(stop_tracing): New function, split out from...
(trace_stop_command): Call stop_tracing.
(get_trace_status): New function, split out from...
(trace_status_command): Call get_trace_status, add info on
disconnection behavior.
(disconnect_or_stop_tracing): New function.
(finish_tfind_command): Translate from number on target.
(trace_find_tracepoint_command): Translate to number on target.
(send_disconnected_tracing_value): New function.
(set_disconnected_tracing): New function.
(_initialize_tracepoint): Add disconnected-tracing variable.
* NEWS: Mention disconnected tracing.
* gdb.texinfo (Starting and Stopping Trace Experiments): Document
disconnected tracing.
(Tracepoint Packets): Document new protocol.
