* infrun.c (resume): In non-stop mode, always resume just one
thread.
(proceed): Don't call prepare_to_proceed in non-stop mode.
(fetch_inferior_event): In non-stop mode, switch context before
handling the event.
(error_is_running, ensure_not_running): New.
(handle_inferior_event): In non-stop mode: Mark only the event
thread as stopped. Require that the target module manages adding
threads to the thread list. Assert that there isn't a
deferred_step_ptid set. Don't switch to infwait_thread_hop_state.
(normal_stop): Only mark not-running if inferior hasn't exited.
In non-stop mode, only mark the event thread.
* thread.c:Include "cli/cli-decode.h".
(print_thread_info): Don't read from a running thread.
Output "(running)" if thread is running.
(switch_to_thread): Don't read stop_pc if thread is executing.
(do_restore_current_thread_cleanup): Don't write to a running
thread.
(thread_apply_all_command): Don't read from a running thread. In
non-stop mode, do a full context-switch instead of just switching
threads.
(thread_apply_command): In non-stop mode, do a full context-switch
instead of just switching threads.
(do_captured_thread_select): Likewise. Inform user if selected
thread is running.
(_initialize_thread): Mark "info threads" and "thread" and
async_ok.
* inf-loop.c (inferior_event_handler): In non-stop mode, don't
unregister the target from the event loop.
* infcmd.c (continue_command, step_1, jump_command)
(signal_command): Ensure the selected thread isn't running.
(interrupt_target_command): In non-stop mode, interrupt only the
selected thread.
* inferior.h (error_is_running, ensure_not_running): Declare.
* target.h (struct target_ops): Add ptid argument to the to_stop
member.
(target_stop): Add ptid_t argument.
* target.c (update_current_target): Add ptid argument to to_stop's
type.
(debug_to_stop): Add ptid_t argument.
(debug_to_rcmd): Set to_stop_ptid.
* remote.c (remote_stop): Add ptid_t argument.
(async_remote_interrupt): Add inferior_ptid to target_stop.
* inf-ptrace.c (inf_ptrace_stop): Add ptid argument.
* Makefile.in (thread.o): Depend on $(cli_decode_h).
* infrun.c (proceed): Clear the stepping state, set
previous_inferior_ptid and clear infwait state.
(wait_for_inferior): Don't clear the stepping state, set
previous_inferior_ptid, or clear the infwait state here.
(fetch_inferior_event): Don't clear the stepping state, set
previous_inferior_ptid, or clear the infwait state here. Don't
condition on wait_for_more.
* infrun.c (currently_stepping): Take a struct
thread_stepping_state instead of an execution_control_state.
(struct thread_stepping_state): New, split from
execution_control_state.
(gtss, tss): New globals.
(proceed): Clear the stepping state, set previous_inferior_ptid
and clear infwait state.
(init_wait_for_inferior): Clear the stepping state,
previous_inferior_ptid and infwait state.
(waiton_ptid, infwait_state): New, split from
execution_control_state.
(struct execution_control_state): Members that persist through
events moved out to either struct thred_stepping_state or made
global. Deleted unneeded wp, saved_inferior_ptid, tmpstatus.
(wait_for_inferior, fetch_inferior_event): Use local
execution_control_state. Update to execution_control_state split.
(init_execution_control_state): Adjust.
(init_thread_stepping_state): New, extracted from
init_execution_control_state.
(context_switch): Take a ptid instead of an
execution_control_state.
(context_switch_to): Adjust.
(adjust_pc_after_break): Adjust.
(init_infwait_state): New.
(handle_inferior_event): Adjust.
* gdbthread.h: Remove unneeded forward declarations.
Include "inferior.h".
(struct thread_info): Add continuations,
intermediate_continuations, proceed_to_finish, step_over_calls,
stop_step, step_multi and stop_signal members.
(save_infrun_state): Add continuations,
intermediate_continuations, proceed_to_finish, step_over_calls,
stop_step, step_multi, stop_signal and stop_bpstat parameters.
(load_infrun_state): Add continuations,
intermediate_continuations, proceed_to_finish, step_over_calls,
stop_step, step_multi, stop_signal and stop_bpstat parameters.
* thread.c (load_infrun_state): In non-stop mode, load
continuations, intermediate_continuations, proceed_to_finish,
step_over_calls, stop_step, step_multi and stop_signal.
(save_infrun_state): Store continuations,
intermediate_continuations, proceed_to_finish, step_over_calls,
stop_step, step_multi, stop_signal and stop_bpstat.
(save_infrun_state): Store continuations,
intermediate_continuations, proceed_to_finish, step_over_calls,
stop_step, step_multi, stop_signal and stop_bpstat.
(free_thread): Clear The thread's stop_bpstat.
* inferior.h (context_switch_to): Declare.
* infrun.c (ecss): New global.
(context_switch): Context switch continuations,
intermediate_continuations, proceed_to_finish, step_over_calls,
stop_step, step_multi, stop_signal and stop_bpstat.
(wait_for_inferior): Use global ecss.
(async_ecss, async_ecs): Delete.
(fetch_inferior_event): Use global ecss.
(context_switch_to): New.
* top.c (execute_command): In non-stop, only check if the current
thread is running, in all-stop, check if there's any thread
running.
* breakpoint.c (bpstat_remove_breakpoint): New.
(bpstat_remove_breakpoint_callback): New.
(delete_breakpoint): Clear the stop_bpstats of all threads.
* mi/mi-main.c (mi_cmd_execute): In non-stop, only check if the
current thread is running, in all-stop, check if there's any
thread running.
* Makefile.in (gdbthread_h): Depend on $(inferior_h).
* target.h (struct target_waitstatus): Store related_pid as a ptid.
(inferior_has_forked, inferior_has_vforked, inferior_has_execd):
Take a ptid_t.
* breakpoint.h (struct breakpoint): Change forked_inferior_pid
type to ptid.
* breakpoint.c (print_it_typical, bpstat_check_location)
(print_one_breakpoint_location, set_raw_breakpoint_without_location)
(create_fork_vfork_event_catchpoint): Adjust.
* infrun.c (fork_event): Change parent_pid and child_pid types to
ptid.
(follow_exec, inferior_has_forked, inferior_has_vforked)
(inferior_has_execd): Take a ptid_t and don't trim it.
* linux-thread-db.c (thread_db_wait): Don't trim the returned ptid.
* linux-nat.c (linux_child_follow_fork): Adjust.
* inf-ptrace.c (inf_ptrace_wait): Adjust.
* inf-ttrace.c (inf_ttrace_wait): Adjust.
* win32-nat.c (get_win32_debug_event): Don't set related_pid.
* inferior.h (target_executing): Delete.
* gdbthread.h (struct thread_info): Add executing_ field.
(set_executing, is_executing): New.
* thread.c (main_thread_executing): New.
(init_thread_list): Clear it and also main_thread_running.
(is_running): Return false if target has no execution.
(any_running, is_executing, set_executing): New.
* top.c: Include "gdbthread.h".
(target_executing): Delete.
(execute_command): Replace target_executing check by any_running.
* event-top.c: Include "gdbthread.h".
(display_gdb_prompt, command_handler): Replace target_executing by
is_running.
* inf-loop.c: Include "gdbthread.h". Don't mark as not executing
here. Replace target_executing by is_running.
* infrun.c (handle_inferior_event): Mark all threads as
not-executing.
* linux-nat.c (linux_nat_resume): Don't mark thread as executing
here.
* stack.c (get_selected_block): Return null if inferior is
executing.
* target.c (target_resume): Mark resumed ptid as executing.
* breakpoint.c (until_break_command): Replace target_executing
check by is_executing.
* remote.c (remote_async_resume): Don't mark inferior as executing
here.
* mi/mi-interp.c (mi_cmd_interpreter_exec): Replace target_executing
by any_running.
* mi/mi-main.c (mi_cmd_exec_interrupt, mi_cmd_execute)
(mi_execute_async_cli_command): Replace target_executing by
is_running.
* frame.c (get_current_frame): Error out if the current thread is
executing.
(has_stack_frames): New.
(get_selected_frame, deprecated_safe_get_selected_frame): Check
has_stack_frames.
* Makefile.in (event-top.o, frame.o, inf-loop.o, top.o): Depend on
$(gdbthread_h).
2008-07-09 Pedro Alves <pedro@codesourcery.com>
* symfile.c (load_command): Reopen the exec file and reread
symbols before anything else.
gdb/testsuite/
2008-07-09 Pedro Alves <pedro@codesourcery.com>
* gdb.base/chng-syms.exp: Don't expect "No symbol ...".
(remote_sim_ptid): New global.
(gdbsim_create_inferior): Silently add the main task to GDB's
thread list.
(gdbsim_close, gdbsim_mourn_inferior): Silently delete the main
task from GDB's thread list.
(gdbsim_resume): Adjust to use remote_sim_ptid.
(gdbsim_thread_alive, gdbsim_pid_to_str): New.
(init_gdbsim_ops): Register gdbsim_thread_alive and
gdbsim_pid_to_str.
(_initialize_remote_sim): Initialize remote_sim_ptid.
* Makefile.in (remote-sim.o): Depend on $(gdbthread_h).
* breakpoint.c (bpstat_copy): Call RELEASE_VALUE on the new OLD_VAL.
gdb/testsuite/
* gdb.base/value-double-free.exp, gdb.base/value-double-free.c: New.
-target-download and -target-select via CLI, so that
the quoting rules are the same as they were (unfortunately)
in all prior gdb releases.
* mi/mi-cmds.h (mi_cmd_exec_run, mi_cmd_exec_until)
(mi_cmd_target_download, mi_cmd_target_select): Remove.
* mi/mi-main.c (mi_cmd_exec_run, mi_cmd_exec_until)
(mi_cmd_target_download, mi_cmd_target_select): Remove.
(mi_cmd_execute): Set current_token even for commands
routed via CLI.
(captured_mi_execute_command_args): Remove.
(captured_mi_execute_command): Cast the closure to mi_parse
pointer, not to captured_mi_execute_command_args, and don't
set the action field thereof.
(mi_execute_command): Pass struct mi_parse, not
captured_mi_execute_command_args to captured_mi_execute_command.
(mi_execute_command): Remove (dead) code for suppressing
printing prompt.
(gdb_compile): If target is *-*-cygwin* or *-*-mingw*, and we're
compiling an executable, link in an object that forces unbuffered
output.
* lib/set_unbuffered_mode.c: New file.
(i386_push_dummy_call): Determine stack space required for
arguments going forwards allowing for 16-byte alignment, then push
arguments going forwards.
output "thread:TID" in the T stop reply.
* server.c (disable_packet_vCont, disable_packet_Tthread)
(disable_packet_qC, disable_packet_qfThreadInfo): New globals.
(handle_query): If requested, disable support for qC, qfThreadInfo
and qsThreadInfo.
(handle_v_requests): If requested, disable support for vCont.
(gdbserver_show_disableable): New.
(main): Handle --disable-packet and --disable-packet=LIST.
* server.h (disable_packet_vCont, disable_packet_Tthread)
(disable_packet_qC, disable_packet_qfThreadInfo): Declare.
* monitor.c (monitor_open): Include "gdbthread.h". Clear thread
list here.
* remote.c (record_currthread): Upgrade the main thread and its
entry in the thread list if this is the first time we hear about
threads.
(remote_thread_alive): Consider magic_null_ptid or a ptid without
a tid member always alive.
(remote_find_new_threads): Don't update the main thread here.
(remote_start_remote): Clear thread list here. Always add the
main thread.
(extended_remote_attach_1): Add the main thread here.
(extended_remote_mourn_1): Re-add the main thread here.
(extended_remote_create_inferior_1): Add a main thread.
* Makefile.in (monitor.o): Depend on $(gdbthread_h).
* remote.c (magic_null_ptid, not_sent_ptid, any_thread_ptid): New
globals.
(general_thread, continue_thread): Change type to ptid_t.
(record_currthread): Take a ptid_t parameter instead of an
integer.
(MAGIC_NULL_PID): Delete.
(set_thread): Take a ptid_t parameter and adjust.
(set_general_thread, set_continue_thread): New.
(remote_thread_alive, remote_newthread_step)
(remote_current_thread, remote_find_new_threads)
(remote_threads_info, remote_start_remote, remote_vcont_resume)
(remote_resume_1, remote_wait, extended_remote_create_inferior_1)
(threadalive_test, remote_pid_to_str)
(remote_get_thread_local_address): Adjust.
(_initialize_remote): Initialize magic_null_ptid, not_sent_ptid
and any_thread_ptid.
(gdb_stdint_h, gdb_stdint.h, stamp-int): Delete. Remove
all dependencies on $(gdb_stdint_h).
(distclean): Do not delete gdb_stdint.h.
* acinclude.m4: Do not use stdint.m4.
* configure.ac: Set GNULIB_STDINT_H. Remove tests for stdint.h,
uintptr_t, and gdb_stdint.h.
* defs.h: Include <stdint.h>.
* gdb_thread_db.h: Assume stdint.h is already included.
* breakpoint.c, findcmd.c, hppa-tdep.c, inf-ptrace.c, proc-service.c,
rs6000-nat.c, spu-linux-nat.c, target.c, win32-nat.c: Do not
include gdb_stdint.h.
* configure, config.in: Regenerate.
decimal floating-point values in GPRs for soft-float.
(do_ppc_sysv_return_value): Handle returning decimal
floating-point values in GPRs for soft-float.
* c-exp.y (parse_number): Move the S and SAVED_CHAR initialization
after the DECFLOAT detection to fix a memory leak. Remove the
redundant NUM initialization. Protect the DECFLOAT detection memory
access before the P block. Restore the P memory content for the
DECFLOAT detection.
* mi/mi-interp.c (mi_cmd_interpreter_exec): Do no print
^running here.
(mi_on_resume): Print ^running if not previously output.
* mi/mi-main.c (running_result_record_printed): New.
(captured_mi_execute_command): Reset
running_result_record_printed. Use running_result_record_printed
to decide if we should skip ^done.
(mi_execute_async_cli_command): Don't print ^running here.
* mi/mi-main.h (current_token, running_result_record_printed):
Declare.
* gdb.mi/basics.c (main): Add a call to sleep.
* gdb.mi/mi-cli.exp: Adjust for change in line numbers.
* gdb.mi/mi2-cli.exp: Likewise.
* gdb.mi/mi-break.exp: Likewise.
* infrun.c (finish_command): Don't pass cleanup
to continuation.
(finish_command_continuation): Don't grab cleanup from
the passed data, as we don't use, and cannot, use it anyway.
* defs.h (make_cleanup_restore_integer): New declaration.
(struct cleanup): New field free_arg.
(make_my_cleanup_2): New.
* utils.c (restore_integer_closure, restore_integer)
(make_cleanup_restore_integer): New.
(make_my_cleanup): Initialize the free_arg field and
renamed to make_my_cleanup_2.
(do_my_cleanups): Call free_arg.
(discard_cleanups): Call free_arg.
* breakpoint.c (restore_always_inserted_mode): Remove.
(update_breakpoints_after_exec): Use make_cleanup_restore_integer.
* completer.c (complete_line): Don't special-case
expression_completer.
(expression_completer): Only pass last word to
location_completer.
* c-exp.y (yylex): Check 'token', not 'operator'.
gdb/testsuite
* gdb.base/completion.exp: New tests for field name completion
with spaces, and field name completion with '->'.
(deprecated_bcache_added): New function name. Body of function
bcache_data is used here with the addition of 'added' argument.
* bcache.h (deprecated_bcache_added): New function.
* symfile.c (add_psymbol_to_bcache): New helper function, takes part of
work from add_psymbol_to_list - initialises partial symbol and stashes
it in objfile's cache.
(append_psymbol_to_list): New helper function, takes other part of
work from add_psymbol_to_list - adds partial symbol to the given list.
(add_psymbol_to_list): Call helper functions instead of doing work
here. If adding to global list, do not duplicate partial symbols in the
partial symtab.
* dwarf2expr.c: New include "gdb_assert.h".
(new_dwarf_expr_context): Initialize MAX_RECURSION_DEPTH.
(dwarf_expr_eval): Sanity check the RECURSION_DEPTH count.
(execute_stack_op): Error out on too large RECURSION_DEPTH.
Increase/decrease RECURSION_DEPTH around the function.
(main_lm_addr): New.
(svr4_default_sos): Set lm_addr.
(svr4_current_sos): Set lm_addr and main_lm_addr.
(svr4_fetch_objfile_link_map): Rewrite.
(svr4_clear_solib): Clear main_lm_addr.
Joseph Myers <joseph@codesourcery.com>
* mips-tdep.c (mips_eabi_return_value): Replace stub that always
returned RETURN_VALUE_STRUCT_CONVENTION with a real function.
temporary catchpoints. In MI add missing fields 'reason', 'disp',
'bkptno'.
(print_mention_exception_catchpoint): Add 'Temporary' for temporary
catchpoints.
(handle_gnu_v3_exceptions): Use tempflag.
* varobj.c (varobj_update): Report changes as vector. Also
return not just a list of varobj, but a list of special structures
that tell what exactly has changed.
* varobj.h (enum varobj_update_error): Rename to
varobj_scope_status.
(struct varobj_update_result_t): New.
(varobj_update): Adjust prototype.
* mi/mi-cmd-var.c: Adjust for changes.
core_regset_sections.
* gdbarch.c: Refreshed.
* gdbarch.h: Refreshed.
* regset.h (core_regset_section): Declared.
* linux-nat.c (linux_nat_do_thread_registers): Added
support for the new gdbarch struct core_regset_sections.
* utils.c (host_address_to_string): New function.
* defs.h (host_address_to_string): New prototype.
* i386-linux-tdep.c (i386_regset_rections): New register
sections list for i386.
(i386_linux_init_abi): Initialized new gdbarch struct
core_regset_sections.
* Makefile.in: Updated to reflect dependency changes.
* ppc-linux-tdep.c (ppc_regset_sections): Register
sections list for ppc.
(ppc_linux_init_abi): Initialized new gdbarch struct
core_regset_sections
* valprint.c (get_array_bounds): Renames get_array_low_bound.
Return the proper bound value if the array index type is an
enumerated type. Compute the high bound if requested.
(val_print_array_elements): Handle the case when the array
element has a null size.
* ada-valprint.c (print_optional_low_bound): Add handling
for empty arrays or arrays of zero-size elements.
(ada_val_print_array): New function, extracted out from
ada_val_print_1 case TYPE_CODE_ARRAY, and enhanced to
handle empty arrays and arrays of zero-size elements.
(ada_val_print_1)[case TYPE_CODE_ARRAY]: Replace extracted-out
code by call to ada_val_print_array.
(ada_value_print): Remove handling of null array. The handling
was incomplete and is now better handled by ada_val_print_array.
print_binary_chars, print_char_chars): Add byte_order parameter and
replace gdbarch_byte_order.
(print_decimal_chars): Replace START_P, NOT_END_P and NEXT_P by their
expressions and remove them. Remove unused TWO_TO_FOURTH.
(val_print_type_code_int): Introduce gdbarch_byte_order to get at the
endianness. Update call to print_hex_chars.
* valprint.h (print_hex_chars, print_octal_chars, print_decimal_chars,
print_binary_chars, print_char_chars): Add byte_order parameter.
* printcmd.c (print_scalar_formatted): Introduce gdbarch_byte_order to
get at the endianness. Update print_*_char calls to use byte_order.
Maxim Grigoriev <maxim2405@gmail.com>
* xtensa-tdep.c (xtensa_read_register): Remove.
(xtensa_frame_cache): Get rid of xtensa_read_register. Pass extra
argument litbase to call0_frame_cache().
(call0_track_op, call0_analyze_prologue)
(call0_frame_cache): Use extra argument litbase.
(struct alpha_mdebug_unwind_cache): Change type of SAVED_REGS to
struct trad_frame_saved_reg *.
(alpha_mdebug_frame_unwind_cache): Allocate SAVED_REGS using
trad_frame_alloc_saved_regs. Update accesses. Record previous
value of SP as being vfp.
(alpha_mdebug_frame_prev_register): Use trad_frame_get_prev_register.
* Makefile.in (alpha-mdebug-tdep.o): Update dependencies.
2008-05-15 Pedro Alves <pedro@codesourcery.com>
Ulrich Weigand <uweigand@de.ibm.com>
* minsyms.c (lookup_minimal_symbol_by_pc_name): New function.
* symtab.h (lookup_minimal_symbol_by_pc_name): Add prototype.
* symtab.c (fixup_section): Remove prototype. Add ADDR parameter;
use it instead of ginfo->value.address. Look up minimal symbol by
address and name. Assume OBJFILE is non-NULL.
(fixup_symbol_section): Ensure we always have an objfile to look
into. Extract and pass to fixup_section the symbol's address that
will match the minimal symbol's address.
(fixup_psymbol_section): Likewise.
(find_pc_sect_psymtab): Fall back to non-addrmap case when debugging
overlays and the addrmap returned the wrong section.
* dwarf2read.c (var_decode_location): Set SYMBOL_CLASS before
calling fixup_symbol_section.
gdb/testsuite/
2008-05-15 Pedro Alves <pedro@codesourcery.com>
* gdb.base/fixsection.exp: New file.
* gdb.base/fixsection0.c: New file.
* gdb.base/fixsection1.c: New file.
(ppc64_linux_convert_from_func_ptr_addr): ... to this. No longer try
to handle ppc32 PLT entries.
(ppc_linux_init_abi): Install ppc64_linux_convert_from_func_ptr_addr
only on ppc64.
* minsyms.c (lookup_minimal_symbol_by_pc_section_1): Renamed from
lookup_minimal_symbol_by_pc_section. Prefer trampolines if requested.
(lookup_minimal_symbol_by_pc_section): Use
lookup_minimal_symbol_by_pc_section_1.
(lookup_solib_trampoline_symbol_by_pc): Likewise.
(sparc_linux_write_pc): New function.
(sparc32_linux_init_abi): Register it.
* sparc64-linux-tdep.c (TSTATE_SYSCALL): Define.
(sparc64_linux_write_pc): New function.
(sparc64_linux_init_abi): Register it.
Kevin Buettner
Doug Evans
Jan Kratochvil
gdbadmin
Pedro Alves
Joel Brobecker
Andreas Schwab
Vladimir Prus
Daniel Jacobowitz
Pierre Muller
Michael Snyder
Luis Machado
Hans-Peter Nilsson
Ulrich Weigand
Joseph Myers
Jonathan Larmour
Christopher Faylor
Carlos O'Donell
Stan Shebs
Tom Tromey
Paul Pluzhnikov
Marc Khouzam
Paul N. Hilfinger
Nick Roberts
Aleksandar Ristovski
Mark Kettenis
Carlos Eduardo Seo
Markus Deuling
Maxim Grigoriev
Alan Modra
Nathan Froyd
David S. Miller