aboutsummaryrefslogtreecommitdiff
path: root/gdb/linux-nat.c
AgeCommit message (Collapse)AuthorFilesLines
2009-03-18 * linux-nat.c (linux_nat_find_memory_regions): Result of PIDGET is anDoug Evans1-11/+13
int, not a long long. (linux_nat_info_proc_cmd): Store pid in long instead of long long.
2009-03-17 Add a target_ops parameter to the to_kill method in struct target_ops.Joel Brobecker1-1/+1
* target.h (struct target_ops): Add a "target_ops *" parameter to method to_kill. (target_kill): Remove macro. Add declaration. * target.c (debug_to_kill): Delete, no longer necessary. (target_kill): New function. (update_current_target): Stop inheriting the to_kill method. Do not de_fault it to no_process either. (setup_target_debug): Do not set current_target.to_kill. * gnu-nat.c, go32-nat.c, hpux-thread.c, inf-ptrace.c, inf-ttrace.c, linux-nat.c, monitor.c, nto-procfs.c, procfs.c, remote-m32r-sdi.c, remote-mips.c, remote-sim.c, remote.c, windows-nat.c: Update accordingly.
2009-02-23 * corelow.c (get_core_registers): Adjust.Pedro Alves1-10/+18
(core_file_thread_alive): Rename to... (core_thread_alive): ... this. (core_pid_to_str): Try gdbarch_core_pid_to_str first. (init_core_ops): Adjust. (coreops_suppress_target): Delete. (_initialize_corelow): Unconditionally add core_ops. * procfs.c: Include "inf-child.h". (procfs_ops): Delete. (init_procfs_ops): Delete. Reimplement as... (procfs_target): ... this, inheriting from inf-child. (procfs_attach, procfs_detach, procfs_fetch_registers): Adjust. (procfs_prepare_to_store): Delete. (procfs_store_registers, procfs_resume): Adjust. (procfs_open): Delete. (procfs_suppress_run): Delete. (procfs_can_run): Delete. (procfs_mourn_inferior): Adjust. (procfs_init_inferior): Add target_ops parameter. Adjust. (procfs_create_inferior): Don't pass procfs_init_inferior to fork_inferior. Instead call it after fork_inferior returns. (procfs_find_new_threads): Adjust. (_initialize_procfs): Adjust to use procfs_target instead of init_procfs_ops. * sol-thread.c (orig_core_ops, sol_core_ops): Delete. (lwp_to_thread): Use target_thread_alive. (sol_thread_open): Delete. (sol_thread_attach): Delete. (sol_thread_detach, sol_thread_resume, sol_thread_wait) (sol_thread_fetch_registers, sol_thread_store_registers): Adjust to use find_target_beneath. (sol_thread_prepare_to_store, sol_thread_xfer_memory): Delete. (sol_thread_xfer_partial): Adjust to use find_target_beneath. (sol_thread_files_info, sol_thread_kill_inferior): Delete. (check_for_thread_db): New. (sol_thread_notice_signals, sol_thread_create_inferior): Delete. (sol_thread_new_objfile): Call check_for_thread_db. (sol_thread_mourn_inferior): Adjust to use find_target_beneath. (sol_thread_can_run): Delete. (sol_thread_alive): Adjust to use find_target_beneath. (sol_thread_stop): Delete. (rw_common): Use target_write_memory or target_read_memory. (ps_lgetregs, ps_lgetfpregs): Use target_fetch_registers. (ps_lsetregs, ps_lsetfpregs): Use target_store_registers. (solaris_pid_to_str): Remove check for libthread_db initialization failing. (sol_find_new_threads): Remove check for libthread_db initialization failing, or for an invalid inferior_ptid. Adjust to use find_target_beneath. (sol_core_open, sol_core_close, sol_core_detach, sol_core_files_info, sol_find_memory_regions, sol_make_note_section, ignore): Delete. (init_sol_thread_ops): Make it a thread_stratum target. Remove unneeded callback settings. (init_sol_core_ops): Delete. (_initialize_sol_thread): No longer call init_sol_core_ops, set procfs_suppress_run, or hack with core_ops. * target.h (struct target_ops): Add a target_ops * parameter to to_resume, to_fetch_registers, to_store_registers, to_thread_alive and to_find_new_threads. (target_fetch_registers, target_store_registers) (target_thread_alive, target_find_new_threads): Redeclare as function. * target.c (update_current_target): Do not inherit or de_fault to_resume, to_fetch_registers, to_store_registers, to_thread_alive, to_find_new_threads. (target_resume): Adjust. (target_thread_alive, target_find_new_threads): New. (debug_to_resume, debug_to_fetch_registers): Delete. (target_fetch_registers): New. (debug_to_store_registers): Delete. (target_store_registers): New. (debug_to_thread_alive, debug_to_find_new_threads): Delete. (setup_target_debug): Adjust. * gdbcore.h (core_ops): Delete declaration. * inf-ptrace.c, linux-nat.c, remote.c, amd64-linux-nat.c, inf-child.c, linux-thread-db.c, bsd-uthread.c, inf-ttrace.c, i386-sol2-tdep.c, darwin-nat.c, gnu-nat.c, go32-nat.c, hpux-thread.c, i386-linux-nat.c, i386fbsd-nat.c, monitor.c, nto-procfs.c, remote-m32r-sdi.c, remote-mips.c, windows-nat.c, alphabsd-nat.c, amd64bsd-nat.c, arm-linux-nat.c, armnbsd-nat.c, bsd-kvm.c, hppa-hpux-nat.c, hppa-linux-nat.c, hppabsd-nat.c, hppanbsd-nat.c, i386-darwin-nat.c, i386bsd-nat.c, ia64-linux-nat.c, m32r-linux-nat.c, m68kbsd-nat.c, m68klinux-nat.c, m88kbsd-nat.c, mips-linux-nat.c, mips64obsd-nat.c, mipsnbsd-nat.c, ppc-linux-nat.c, ppcnbsd-nat.c, ppcobsd-nat.c, remote-sim.c, rs6000-nat.c, s390-nat.c, shnbsd-nat.c, sparc-nat.c, sparc-nat.h, spu-linux-nat.c, vaxbsd-nat.c, xtensa-linux-nat.c: Adjust to target_ops changes. * gdbarch.sh (core_pid_to_str): New gdbarch callback. * gdbarch.h, gdbarch.c: Regenerate. * sol2-tdep.c: Include "inferior.h". (sol2_core_pid_to_str): New. * sol2-tdep.h (sol2_core_pid_to_str): Declare. * amd64-sol2-tdep.c (amd64_sol2_init_abi): Set it. * sparc-sol2-tdep.c (sparc32_sol2_init_abi): Set it. * sparc64-sol2-tdep.c (sparc64_sol2_init_abi): Set it. * i386-sol2-tdep.c (i386_sol2_init_abi): Set it.
2009-02-212008-02-21 Pedro Alves <pedro@codesorcery.com>Pedro Alves1-1/+4
Silence a few -Wmissing-prototypes warnings. PR build/9877: * amd64-nat.c: Include "amd64-nat.h". * fork-child.c (_initialize_fork_child): Ditto. * gcore.c (_initialize_gcore): Ditto. * inf-ptrace.c: Include "inf-ptrace.h". (inf_ptrace_store_registers): Make it static. * linux-nat.c (linux_nat_terminal_ours): Make it static. (_initialize_linux_nat): Declare before definition. * linux-tdep.c: Include "linux-tdep.h". * linux-thread-db.c (_initialize_thread_db): Declare before definition. * proc-service.c (_initialize_proc_service): Ditto. * remote.c (remote_send_printf): Make it static. * solib.c: Include "solib.h". * symfile-mem.c (_initialize_symfile_mem): Declare before definition. * ada-lang.c (ada_la_decode, ada_match_name) (ada_suppress_symbol_printing, ada_is_array_type) (ada_value_ptr_subscript, ada_array_length) (ada_to_static_fixed_value): Make them static. (_initialize_ada_language): Declare before definition. * ada-tasks.c (ada_get_task_number, ada_get_environment_task) (ada_task_list_changed, ada_new_objfile_observer): Make them static. (_initialize_tasks): Declare before definition. * addrmap.c (_initialize_addrmap): Declare before definition. * auxv.c (default_auxv_parse): Make it static. * bfd-target.c (target_bfd_xfer_partial, target_bfd_xclose): Make them static. * breakpoint.c (remove_sal): Add line break. (expand_line_sal_maybe): Make it static. * cp-name-parser.y: Include "cp-support.h". * cp-valprint.c (cp_find_class_member): Make it static. * eval.c (value_f90_subarray): Ditto. * exceptions.c (print_any_exception): Ditto. * findcmd.c (_initialize_mem_search): Declare before definition. * frame.c (frame_observer_target_changed): Make it static. * gnu-v3-abi.c (gnuv3_find_method_in): Make it static. * inf-child.c: Include "inf-child.h". * inferior.h (valid_inferior_id): Rename to ... (valid_gdb_inferior_id): ... this. * infrun.c (infrun_thread_stop_requested, siginfo_make_value): Make them static. * jv-lang.c (java_language_arch_info): Make it static. * m2-typeprint.c (m2_get_discrete_bounds): Ditto. * osdata.c (info_osdata_command): Make it static. * regcache.c (regcache_observer_target_changed): Make it static. * reverse.c (_initialize_reverse): Declare before definition. * stabsread.c (cleanup_undefined_types_noname) (cleanup_undefined_types_1): Make them static. * symfile.c (place_section): Make it static. * symtab.c (find_pc_sect_psymtab_closer): Make it static. * target-descriptions.c (_initialize_target_descriptions): Declare before definition. * target.c (default_get_ada_task_ptid, find_default_can_async_p) (find_default_is_async_p, find_default_supports_non_stop): Make them static. (target_supports_non_stop): Add prototype. (dummy_pid_to_str): Make it static. * utils.c (_initialize_utils): Declare before definition. * ada-exp.y (_initialize_ada_exp): Declare before definition. * solib-svr4.c (HAS_LM_DYNAMIC_FROM_LINK_MAP): Add a prototype. * target.h (struct target_ops): Add a prototype to the to_can_execute_reverse callback. * macroscope.c (_initialize_macroscope): Declare before definition. * cp-namespace.c (_initialize_cp_namespace): Declare before definition. * python/python.c (_initialize_python): Declare before definition. * tui/tui-command.c: Include "tui/tui-command.h". * tui/tui-data.c (init_content_element, init_win_info): Make them static. * tui/tui-disasm.c: Include "tui/tui-disasm.h". * tui/tui-interp.c (_initialize_tui_interp): Declare before definition. * tui/tui-layout.c: Include "tui/tui-layout.h". (_initialize_tui_layout): Declare before definition. * tui/tui-regs.c: Include "tui/tui-regs.h". (tui_display_reg_element_at_line): Make it static. (_initialize_tui_regs): Declare before definition. * tui/tui-stack.c (_initialize_tui_stack): Declare before definition. * tui/tui-win.c: Include "tui/tui-win.h". (_initialize_tui_win): Declare before definition. (tui_sigwinch_handler): Make it static. Wrap in ifdef SIGWINCH. * tui/tui-win.h (tui_sigwinch_handler): Delete declaration. (tui_get_cmd_list): Add a prototype. * tui/tui-windata.c: Include tui-windata.h. * tui/tui-wingeneral.c (box_win): Make it static. * cli/cli-logging.c (show_logging_command): Make it static. (_initialize_cli_logging): Declare before definition. * mi/mi-common.c (_initialize_gdb_mi_common): Declare before definition.
2009-02-07 * linux-nat.c (PTRACE_SETSIGINFO): Define if PTRACE_GETSIGINFOPedro Alves1-1/+2
isn't defined.
2009-02-06 * amd64-linux-nat.c (compat_int_t, compat_uptr_t, compat_time_t)Pedro Alves1-2/+57
(compat_timer_t, compat_clock_t, struct compat_timeval) (compat_sigval_t, compat_siginfo_t): New types. (cpt_si_pid, cpt_si_uid, cpt_si_timerid, cpt_si_overrun) (cpt_si_status, cpt_si_utime, cpt_si_stime, cpt_si_ptr) (cpt_si_addr, cpt_si_band, cpt_si_fd): New defines. (compat_siginfo_from_siginfo, siginfo_from_compat_siginfo) (amd64_linux_siginfo_fixup): New. * linux-nat.c (linux_nat_siginfo_fixup): New. (siginfo_fixup): New. (linux_xfer_siginfo): Use siginfo_fixup to convert between the siginfo layout expected by ptrace and the siginfo layout of the inferior. (linux_nat_set_siginfo_fixup): New. * linux-nat.h (linux_nat_set_siginfo_fixup): Declare.
2009-02-062009-02-06 Pedro Alves <pedro@codesourcery.com>Pedro Alves1-1/+49
gdb/ * target.h (enum target_object): Add new TARGET_OBJECT_SIGNAL_INFO. * infrun.c (siginfo_value_read, siginfo_value_write): New. (siginfo_value_funcs): New. (siginfo_make_value): New. (_initialize_infrun): Create the $_siginfo convenience variable. * gdbtypes.h (append_composite_type_field_aligned): Declare. * gdbtypes.c (append_composite_type_field): Rename to... (append_composite_type_field_aligned): ... this. Add ALIGNMENT argument. Handle it. (append_composite_type_field): Rewrite on top of append_composite_type_field_aligned. * value.h (internalvar_make_value): New typedef. (struct internalvar) <make_value>: New field. (create_internalvar_type_lazy): Declare. * value.c (create_internalvar): Clear make_value. (create_internalvar_type_lazy): New. (value_of_internalvar): If make_value is set use it. (preserve_values): Skip internal variables that don't have a value. * gdbarch.sh (get_siginfo_type): New. * gdbarch.h, gdbarch.c: Regenerate. * linux-tdep.h, linux-tdep.c: New. * amd64-linux-tdep.c: Include "linux-tdep.h". (amd64_linux_init_abi): Register linux_get_siginfo_type and linux_get_siginfo_mapper. * i386-linux-tdep.c: Include "linux-tdep.h". (i386_linux_init_abi): Register linux_get_siginfo_type and linux_get_siginfo_mapper. * arm-linux-tdep.c: Include "linux-tdep.h". (i386_linux_init_abi): Register linux_get_siginfo_type and linux_get_siginfo_mapper. * linux-nat.c (linux_xfer_siginfo): New. (linux_nat_xfer_partial): Handle TARGET_OBJECT_SIGNAL_INFO. * remote.c (PACKET_qXfer_siginfo_read) (PACKET_qXfer_siginfo_write): New. (feature remote_protocol_features): Add "qXfer:siginfo:read" and "qXfer:siginfo:write" features. (remote_xfer_partial): Handle TARGET_OBJECT_SIGNAL_INFO. (_initialize_remote): Add "set/show remote read-siginfo-object" and "set/show remote write-siginfo-object" commands. * Makefile.in (ALL_TARGET_OBS): Add linux-tdep.o. (HFILES_NO_SRCDIR): Add linux-tdep.h. (ALLDEPFILES): Add linux-tdep.c. * configure.tgt (arm*-*-linux* | arm*-*-uclinux*) (i[34567]86-*-linux*, x86_64-*-linux*): Add linux-tdep.o to gdb_target_obs. 2009-02-06 Pedro Alves <pedro@codesourcery.com> gdb/gdbserver/ * server.c (handle_query): Report qXfer:siginfo:read and qXfer:siginfo:write as supported and handle them. * target.h (struct target_ops) <qxfer_siginfo>: New field. * linux-low.c (linux_xfer_siginfo): New. (linux_target_ops): Set it. 2009-02-06 Pedro Alves <pedro@codesourcery.com> gdb/doc/ * gdb.texinfo (Signals): Document $_siginfo. (Convenience Variables): Mention $_siginfo. (Remote Configuration): Document qXfer:siginfo:read, qXfer:siginfo:write packets, and the read-siginfo-object, write-siginfo-object commands. 2009-02-06 Pedro Alves <pedro@codesourcery.com> gdb/testsuite/ * gdb.base/siginfo-obj.c, gdb.base/siginfo-obj.exp: New.
2009-02-06 * linux-nat.c (linux_nat_wait): Adjust.Pedro Alves1-6/+3
(linux_nat_pid_to_str): Adjust. Remove call to thread_db_init. * linux-nat.h (thread_db_init): Delete declaration. * linux-thread-db.c (target_beneath): Delete. (thread_db_init): Delete. (thread_db_detach): Use find_target_beneath. (thread_db_wait): Adjust interface. Use find_target_beneath. (thread_db_mourn_inferior): Use find_target_beneath. (thread_db_can_async_p, thread_db_is_async_p, thread_db_async) (thread_db_async_mask): Delete. (thread_db_pid_to_str): Adjust interface. Use find_target_beneath. (thread_db_get_thread_local_address): Adjust interface. Use find_target_beneath. (init_thread_db_ops): Delete references to delete functions. * target.c (update_current_target): Don't inherit or default to_wait. Don't inherit to_pid_to_str and to_get_thread_local_address. (target_translate_tls_address): Look for a pushed target that implements to_get_thread_local_address, and use it instead of checking for target_get_thread_local_address_p. (target_wait, target_pid_to_str): Reimplement as functions. (dummy_pid_to_str): New. (init_dummy_target): Register it. (debug_to_wait): Delete. * target.h (struct target_ops): Make to_wait, to_pid_to_str and to_get_thread_local_address accept a pointer to struct target_ops. (target_wait): Delete macro, and declare as function. (target_pid_to_str): Likewise. (target_get_thread_local_address) (target_get_thread_local_address_p): Delete. (noprocess): Add NORETURN and ATTR_NORETURN tags. * inf-ptrace.c (inf_ptrace_wait): Adjust. (inf_ptrace_pid_to_str): New. (inf_ptrace_target): Use inf_ptrace_pid_to_str. * aix-thread.c (aix_thread_wait, aix_thread_pid_to_str): Adjust. * bsd-kvm.c (bsd_kvm_pid_to_str): Adjust. * bsd-uthread.c (bsd_uthread_wait, bsd_uthread_pid_to_str): Adjust. * corelow.c (core_pid_to_str): Adjust. * darwin-nat.c (darwin_wait, darwin_pid_to_str): Adjust. * dec-thread.c (dec_thread_wait, dec_thread_pid_to_str): Adjust. * gnu-nat.c (gnu_wait, gnu_pid_to_str): Adjust. * go32-nat.c (go32_wait, go32_pid_to_str): Adjust. * hpux-thread.c (hpux_thread_wait): Adjust. * inf-ttrace.c (inf_ttrace_wait, inf_ttrace_pid_to_str): Adjust. * monitor.c (monitor_wait, monitor_pid_to_str): Adjust. * nto-procfs.c (procfs_wait, procfs_pid_to_str): Adjust. * procfs.c (procfs_pid_to_str): Adjust. * remote-m32r-sdi.c (m32r_wait, m32r_pid_to_str): Adjust. * remote-mips.c (mips_wait): Adjust. * remote-sim.c (gdbsim_wait, gdbsim_pid_to_str): Adjust. * remote.c (remote_wait, remote_pid_to_str) (remote_get_thread_local_address): Adjust. * rs6000-nat.c (rs6000_wait): Adjust. * sol-thread.c (procfs_pid_to_str): Adjust declaration. (sol_thread_wait, solaris_pid_to_str): Adjust. * spu-linux-nat.c (spu_child_wait): Adjust. * windows-nat.c (windows_wait, windows_pid_to_str): Adjust.
2009-01-26 * linux-nat.c (linux_child_follow_fork): Copy attach_flag from thePedro Alves1-2/+10
parent to the child. * inf-ttrace.c (inf_ttrace_follow_fork): Likewise. * inf-ptrace.c (inf_ptrace_follow_fork): Likewise. Use remove_breakpoints to remove breakpoints from the parent.
2009-01-06Check return values of functions declared with warn_unused_resultJim Blandy1-2/+4
attribute in GLIBC 2.8. * cli/cli-cmds.c (pwd_command): Check return value from getcwd. * inflow.c (check_syscall): New function. (new_tty): Use check_syscall to check return values from open and dup. * linux-nat.c (linux_nat_info_proc_cmd): Check return value from fgets. * main.c (captured_main): Call cwd after setting up gdb_stderr; check for errors from getcwd. * mi/mi-cmd-env.c (mi_cmd_env_pwd): Check return value from getcwd. * ui-file.c (stdio_file_write): Ignore return value from fwrite. (stdio_file_fputs): Same. * utils.c (internal_vproblem): abort if last-ditch error message write fails.
2009-01-03 Updated copyright notices for most files.Joel Brobecker1-1/+1
2008-12-28 * linux-fork.c (linux_fork_detach): New.Pedro Alves1-8/+20
* linux-fork.h (linux_fork_detach): Declare. * linux-nat.c (linux_child_follow_fork): When following the fork child, add the child inferior before possibly detaching from the parent. Don't reinstall ourselves. (linux_nat_detach): Call linux_fork_detach if there are other forks to debug. * linux-thread-db.c (thread_db_detach): Don't call target_mourn_inferior. Instead inline the necessary bits. * inf-ptrace.c (inf_ptrace_detach): Don't unpush the target if there are other inferiors to debug.
2008-12-18 * linux-nat.c (linux_child_follow_fork): If following the child,Pedro Alves1-0/+6
and not detaching the parent, also add the child fork to the fork list. * linux-fork.c (linux_fork_context): Remove dead error call. Assert that the incoming newfp argument is not null. Do not add a new fork for inferior_ptid. Assert that there is one already.
2008-12-162008-12-16 Tristan Gingold <gingold@adacore.com>Tristan Gingold1-5/+1
* inflow.c: Remove old_sigio, handle_sigio, old_fcntl_flags, set_sigio_trap, clear_sigio_trap definitions. * inferior.h: Remove set_sigio_trap and clear_sigio_trap declarations. * inf-ptrace.c (inf_ptrace_wait): Remove call to set_sigio_trap and clear_sigio_trap. * inf-ttrace.c (inf_ttrace_wait): Ditto. * linux-nat.c (linux_nat_wait): Ditto. * spu-linux-nat.c (spu_child_wait): Ditto. * rs6000-nat.c (rs6000_wait): Ditto. * target.c: Remove target_activity_function and target_activity_fd. * target.h: Remove target_activity_function and target_activity_fd declarations.
2008-12-02 Implement -list-thread-groups --availableVladimir Prus1-0/+115
* Makefile.in (XMLFILES): Add osdata.dtd. (SFILES): Add osdata.c. (COMMON_OBS): Add osdata.o. * linux-nat.c: Include pwd.h, sys/types.h, gdb_dirent.h and xml-support.h. (linux_nat_xfer_osdata): New function. (linux_xfer_partial): Handle TARGET_OBJECT_OSDATA. * osdata.c: New file. * osdata.h: New file. * remote.c (PACKET_qXfer_osdata): New packet enum. (remote_protocol_features): Add "qXfer:osdata:read". (remote_read_qxfer): Handle TARGET_OBJECT_OSDATA. (extended_remote_can_run): New. (init_extended_remote_ops): Set to_can_run to extended_remote_can_run. (_initialize_remote): Add packet config command for "qXfer:osdata:read". * xml-support.c (obstack_xml_printf): New function. * xml-support.h (obstack_xml_printf): Declare. * target.c (target_get_osdata): New function. * target.h (enum target_object): Add TARGET_OBJECT_OSDATA. (target_os_data): Declare. * features/osdata.dtd: New file. * mi/mi-main.c (mi_list_thread_groups): Handle the --available option.
2008-11-09 Kill pthread_ops_hackVladimir Prus1-8/+9
* target.h (struct target_ops): Make to_attach, to_detach, to_create_inferior and to_mourn_inferior accept a pointer to struct target_ops. (target_attach, target_create_inferior, target_create_inferior): Convert from macros to function. Find the right target to invoke a method of. (find_default_attach, find_default_create_inferior): New parameter ops. * corefile.c (core_file_command): Pass target to to_detach. * corelow.c (core_detach): Add 'ops' parameter. * fork-child.c (fork_inferior): Return the pid. Allow init_trace_fun to be NULL. * inf-ptrace (ptrace_ops_hack): Remove. (inf_ptrace_him): Remove, moving all logic into.... (inf_ptrace_create_inferior): ... here. Push the target passed as parameter. (inf_ptrace_mourn_inferior, inf_ptrace_attach, inf_ptrace_detach): Push/pop target passed as parameter, no ptrace_ops_hack. (inf_ptrace_target): Don't remember result. * inferior.h (fork_inferior): Adjust prototype. * linux-nat.c (linux_nat_create_inferior, linux_nat_attach) (linux_nat_detach, linux_nat_mourn_inferior): New parameter ops. Pass it to linux_ops target. * linux-thread-db.c (thread_db_detach, thread_db_mourn_inferior): New parameter ops. Pass it to the target beneath. * remote.c (remote_mourn, extended_remote_mourn, remote_detach) (extended_remote_create_inferior): New parameter ops. Pass it further. * target.c (debug_to_attach, debug_to_detach) (debug_to_mourn_inferior): New parameter ops. (target_create_inferior): New. (update_current_target): Do not inherit to_attach, to_detach, to_create_inferiour, to_mourn_inferior. Do not default to_detach and to_mourn_inferior. (target_detach): Find the right target to use. (target_mourn_inferior): New. (find_default_attach, find_default_create_inferior): New parameter ops. Pass the found target when calling its method. (init_dummy_target): Provide fallback definition of to_detach. (target_attach): New. (debug_to_attach, debug_to_detach, debug_to_create_inferior) (debug_to_mourn_inferiour): New parameter ops. * aix-thread.c: Adjust. * bsd-uthread.c: Adjust. * gnu-nat.c: Adjust. * go32-nat.c: Adjust. * hpux-thread.c: Adjust. * inf-ttrace.c: Ajust. * monitor.c: Adjust. * nto-procfs.c: Adjust. * procfs.c: Adjust. * remote-m32r-sdi.c: Adjust. * remote-mips.c: Adjust. * remote-sim.c: Adjust. * rs6000-nat.c: Adjust. * sol-thread.c: Adjust. * win32-nat.c: Adjust. * dec-thread.c: Adjust.
2008-10-28 * cli/cli-script.c (do_fclose_cleanup): Remove.Tom Tromey1-6/+15
(script_from_file): Use make_cleanup_fclose. * xml-tdesc.c (do_cleanup_fclose): Remove. (fetch_xml_from_file): Use make_cleanup_fclose. * tracepoint.c (tracepoint_save_command): Use make_cleanup_fclose. Always free pathname. * source.c (print_source_lines_base): Use make_cleanup_fclose. * remote.c (fclose_cleanup): Remove. (remote_file_put): Use make_cleanup_fclose. (remote_file_get): Likewise. * linux-nat.c (linux_nat_find_memory_regions): Use make_cleanup_fclose. (linux_nat_info_proc_cmd): Likewise. (linux_proc_pending_signals): Likewise. * fbsd-nat.c (fbsd_find_memory_regions): Use make_cleanup_fclose. Free file name. * cli/cli-dump.c (do_fclose_cleanup): Remove. (make_cleanup_fclose): Remove. * defs.h (make_cleanup_fclose): Declare. * utils.c (do_fclose_cleanup): New function. (make_cleanup_fclose): Likewise.
2008-10-23gdb/Pedro Alves1-28/+100
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.
2008-10-032008-10-03 Paul Pluzhnikov <ppluzhnikov@google.com>Paul Pluzhnikov1-4/+2
* utils.c, defs.h (gdb_buildargv): New fn. Wrap buildargv and check for out-of-memory condition. * exec.c (exec_file_command): Call it. * infrun.c (handle_command, xdb_handle_command): Likewise. * interps.c (interpreter_exec_cmd): Likewise. * linux-nat.c (linux_nat_info_proc_cmd): Likewise. * procfs.c (info_proc_cmd): Likewise. * remote-mips.c (common_open): Likewise. * remote-sim.c (gdbsim_kill, gdbsim_create_inferior) (gdbsim_open): Likewise. * remote.c (extended_remote_run, remote_put_command) (remote_get_command, remote_delete_command): Likewise. * ser-mingw.c (pipe_windows_open): Likesise. * source.c (add_path, show_substitute_path_command) (unset_substitute_path_command, set_substitute_path_command): Likewise. * stack.c (backtrace_command): Likewise. * symfile.c (symbol_file_command, generic_load) (add_symbol_file_command): Likesise. * symmisc.c (maintenance_print_symbols, maintenance_print_psymbols) (maintenance_print_msymbols): Likewise.
2008-09-252008-09-25 Sérgio Durigan Júnior <sergiodj@linux.vnet.ibm.com>Thiago Jung Bauermann1-2/+2
* linux-nat.c (get_pending_status): Fix argument to WIFSTOPPED.
2008-09-22 Make the stop_soon global be per-inferior instead.Pedro Alves1-4/+19
* infcmd.c (attach_command_post_wait): Adjust. (attach_command): Likewise. * inferior.h (stop_soon): Delete. (struct inferior): Add stop_soon member. * infrun.c (stop_soon): Delete. (clear_proceed_status, start_remote) (fetch_inferior_event, handle_inferior_event): Adjust. (signal_stop_state): Don't check stop_soon here. Check in callers instead. (save_inferior_status, restore_inferior_status): Adjust. * linux-nat.c (linux_nat_resume, linux_nat_wait): Always pass signals to common code if starting up the inferior. * inferior.h (struct inferior_info): Added stop_soon member. * inferior.c (add_inferior) Clear stop_soon. * mips-tdep.c (heuristic_proc_start): Adjust. * nto-procfs.c (procfs_create_inferior): Adjust. * solib-irix.c (irix_solib_create_inferior_hook): Adjust. * solib-osf.c (osf_solib_create_inferior_hook): Adjust. * solib-sunos.c (sunos_solib_create_inferior_hook): Adjust. * solib-svr4.c (svr4_solib_create_inferior_hook): Adjust. * win32-nat.c (do_initial_win32_stuff): Adjust. * alpha-tdep.c (alpha_heuristic_proc_start): Adjust.
2008-09-22 * gnu-nat.c (gnu_attach): Add process to inferiors table.Pedro Alves1-1/+9
(gnu_detach): Remove it. * go32-nat.c (go32_create_inferior): Add process to gdb's inferior table. * inf-ptrace.c (inf_ptrace_follow_fork): Delete and add inferiors to inferior table accordingly. (inf_ptrace_attach): Add new process to inferior table. (inf_ptrace_detach): Remove it. * inf-ttrace.c (inf_ttrace_follow_fork): Delete and add inferiors to inferior table accordingly. (inf_ttrace_attach): Add process to inferior table. (inf_ttrace_detach): Remove it. * linux-fork.c (init_fork_list): Delete any left over inferior. (linux_fork_mourn_inferior, detach_fork_command): Also delete processes from inferior list. * monitor.c (monitor_open): Add process to inferior list. (monitor_close): Remove it. * nto-procfs.c (procfs_attach): Add process to inferior list. Find threads after pushing the target. (procfs_detach): Remove process from inferior list. (procfs_create_inferior): Add process to inferior list. * procfs.c (procfs_detach): Remove process from inferior list. (do_attach): Add process to inferior list. * remote-sim.c (sim_create_inferior): Add process to inferior list. (gdbsim_close): Remove it. * target.c (generic_mourn_inferior): If inferior_ptid is not null_ptid, remove the corresponding inferior from inferior list. * win32-nat.c (do_initial_win32_stuff): Add process to inferior list. (win32_detach): Remove it. * linux-nat.c (linux_child_follow_fork): Delete and add inferiors to inferior list accordingly. * fork-child.c (fork_inferior): Add process to inferior list. * corelow.c (CORELOW_PID): Define. (core_close): Remove core from inferior list. (core_open): Add it.
2008-09-22gdb/Pedro Alves1-10/+16
* linux-nat.c (linux_nat_wait): Only use set_ignore_sigint in all-stop mode. gdb/testsuite/ * lib/mi-support.exp (mi_expect_interrupt): New. (mi_reverse_list, mi_check_thread_states): New, moved and renamed from gdb.mi/mi-nonstop.exp. * gdb.mi/mi-nsintrall.exp, gdb.mi/nsintrall.c: New. * gdb.mi/mi-nonstop.exp (myreverse, check_thread_states): Moved to lib/mi-support.exp. Use mi_check_thread_states throughout. Avoid ".*" and do not require an anchor after -exec-run.
2008-09-08 Remove the global stop_signal in favour of a per-threadPedro Alves1-40/+37
stop_signal. * inferior.h (stop_signal): Delete. * gdbthread.h (save_infrun_state, load_infrun_state): Remove stop_signal argument. * thread.c (load_infrun_state, save_infrun_state): Remove stop_signal argument. Don't reference it. * infcmd.c (stop_signal): Delete. (program_info): Adjust. * infrun.c (resume): Clear stop_signal. (proceed): Adjust. Pass the last stop_signal to the thread we're resuming. (context_switch): Don't context-switch stop_signal. (handle_inferior_event, keep_going): Adjust. (save_inferior_status, restore_inferior_status): Adjust. * fbsd-nat.c: Include "gdbthread.h". (find_signalled_thread, find_stop_signal): New. (fbsd_make_corefile_notes): Use it. * fork-child.c (startup_inferior): Adjust. * linux-nat.c (get_pending_status): Adjust. (linux_nat_do_thread_registers): Adjust. (find_signalled_thread, find_stop_signal): New. (linux_nat_do_thread_registers): Add stop_signal parameter. (struct linux_nat_corefile_thread_data): Add stop_signal member. (linux_nat_corefile_thread_callback): Pass stop_signal. (linux_nat_do_registers): Delete. (linux_nat_make_corefile_notes): Use find_stop_signal. Assume there's always a thread. * procfs.c (find_signalled_thread, find_stop_signal): New. (find_stop_signal): New. (procfs_do_thread_registers): Add stop_signal parameter. (struct procfs_corefile_thread_data): Add stop_signal member. (procfs_corefile_thread_callback): Pass args->stop_signal. (procfs_make_note_section): Find the last stop_signal. * solib-irix.c: Include gdbthread.h. (irix_solib_create_inferior_hook): Adjust. * solib-osf.c: Include gdbthread.h. (osf_solib_create_inferior_hook): Adjust. * solib-sunos.c: Include gdbthread.h. (sunos_solib_create_inferior_hook): Adjust. * solib-svr4.c: Include gdbthread.h. (svr4_solib_create_inferior_hook): Adjust. * win32-nat.c (do_initial_win32_stuff): Adjust.
2008-09-08 Remove context switching in favour of accessing thread_info fieldsPedro Alves1-0/+18
directly. * infrun.c (stepping_over_breakpoint, step_resume_breakpoint): Delete. (struct thread_stepping_state): Delete. (gtss, tss): Delete. (follow_inferior_reset_breakpoints, follow_exec) (resume, clear_proceed_status): Adjust. (prev_pc): Delete. (proceed, start_remote, init_wait_for_inferior): Adjust. (struct execution_control_state): Add event_thread member. (delete_step_resume_breakpoint_callback) (delete_step_thread_step_resume_breakpoint) (delete_step_thread_step_resume_breakpoint_cleanup) (delete_step_thread_step_resume_breakpoint): New. (wait_for_inferior, init_execution_control_state): Use delete_step_thread_step_resume_breakpoint_cleanup. (wait_for_inferior): Set the event_thread. (fetch_inferior_event): Ditto. Delete the step-resume breakpoint with delete_step_thread_step_resume_breakpoint. (init_thread_stepping_state): Change parameter type to thread_info. Adjust. (context_switch): Don't context switch prev_pc, stepping_over_breakpoint, step_resume_breakpoint, step_range_start, step_range_end, step_frame_id, tss->stepping_over_breakpoint, tss->stepping_through_solib_after_catch, tss->stepping_through_solib_catchpoints, tss->current_line, or tss->current_symtab. (adjust_pc_after_break, handle_inferior_event) (currently_stepping, step_into_function) (insert_step_resume_breakpoint_at_sal) (insert_longjmp_resume_breakpoint, keep_going): Adjust. (clear_stepping_state): New. (normal_stop): Adjust. (save_inferior_status, restore_inferior_status): Adjust. * gdbthread.h (struct thread_info): Comments describing the members moved here. Add step_after_step_resume_breakpoint. (delete_step_resume_breakpoint): Add thread_info argument. (save_infrun_state, load_infrun_state): Remove prev_pc, trap_expected, step_resume_breakpoint, step_range_start, step_range_end, step_frame_id, another_trap, stepping_through_solib_after_catch, stepping_through_solib_catchpoints, current_line and current_symtab function arguments. (inferior_thread): Declare. * thread.c (inferior_thread): New. (delete_step_resume_breakpoint): Add a thread_info parameter and rewrite. (load_infrun_state, save_infrun_state): Remove prev_pc, trap_expected, step_resume_breakpoint, step_range_start, step_range_end, step_frame_id, stepping_over_breakpoint, stepping_through_solib_after_catch, stepping_through_solib_catchpoints, current_line and current_symtab args. Remove code referencing them. * infcmd.c (step_range_start, step_range_end, step_frame_id): Delete. (step_1, step_once, until_next_command): Adjust. * inferior.h (step_range_start, step_range_end, step_frame_id): Delete. * linux-nat.c (linux_child_follow_fork): If following the child, move the step state to it. Adjust. * inf-ptrace.c (inf_ptrace_follow_fork): Ditto. * inf-ttrace.c (inf_ttrace_follow_fork): Ditto.
2008-09-08 * inf-ptrace.c: Include "gdbthread.h".Pedro Alves1-6/+7
(inf_ptrace_attach): Add the main thread here. * linux-nat.c (linux_nat_attach): Don't add the main thread here. Decorate the main thread id with the lwp id.
2008-09-08 * linux-nat.c (linux_nat_wait): Update inferior_ptid's ptid withPedro Alves1-6/+5
thread_change_ptid. Don't add or mark the main thread as running and executing here. * fork-child.c (fork_inferior): Add the main thread here.
2008-08-19 Make sure target supports non-stop.Vladimir Prus1-0/+7
* infcmd.c (run_command_1, attach_command): If non-stop mode is requested, verify the target supports it. * linux-nat.c (linux_nat_supports_non_stop): New. (linux_nat_add_target): Register the above. * target.c (find_default_supports_non_stop) (target_supports_non_stop): New. (init_dummy_target): Register find_default_supports_non_stop. * target.h (struct target_ops): New field to_supports_non_stop. (target_supports_non_stop): New.
2008-08-19 * target.c (target_async_permitted, target_async_permitted_1)Vladimir Prus1-81/+20
(set_maintenance_target_async_permitted) (show_maintenance_target_async_permitted): New. (initialize_targets): Register 'set target-async'. * target.h (target_async_permitted): Declare. * linux-nat.c (linux_nat_async_enabled) (linux_nat_async_permitted, set_maintenance_linux_async_permitted) (show_maintenance_linux_async_permitted): Remove. (sigchld_handler, linux_nat_is_async_p, linux_nat_can_async_p) (get_pending_events, linux_nat_async): Use target_async_permitted. (linux_nat_set_async_mode): Remove, moving the only used bits into... (linux_nat_setup_async): This. (_initialize_linux_nat): Do not register 'maint set linux-async'. Use linux_nat_setup_async. * remote.c (remote_async_permitted, remote_async_permitted_set) (set_maintenance_remote_async_permitted) (show_maintenance_remote_async_permitted): Remove. (remote_open_1, remote_terminal_inferior, remote_can_async_p) (remote_is_async_p): Use target_async_permitted. (_initialize_remote): Don't register 'main set remote-async'. * mi/mi-cmds.c (mi_cmds): Register -list-target-features. * mi/mi-cmds.h (mi_cmd_list_target_features): New. * mi/mi-main.c (mi_cmd_list_target_features): New.
2008-07-27 * linux-nat.c (resume_callback): Add more debugging output.Daniel Jacobowitz1-114/+110
(linux_nat_has_pending_sigint): New function, based on linux_nat_has_pending. (set_ignore_sigint, maybe_clear_ignore_sigint): New functions. (stop_wait_callback): Remove flush_mask handling. Honor ignore_sigint. Call maybe_clear_ignore_sigint. Pass NULL to recursive calls. (linux_nat_has_pending, flush_callback): Remove. (linux_nat_filter_event): Check for ignore_sigint. (linux_nat_wait): Remove flush_mask support and call to flush_callback. Use set_ignore_sigint and maybe_clear_ignore_sigint. * linux-nat.h (struct lwp_info): Add ignore_sigint field. * gdb.threads/manythreads.exp: Use remote_expect instead of after. Add a test for duplicated SIGINTs.
2008-07-27 * linux-nat.c (count_events_callback, select_event_lwp_callback): OnlyDaniel Jacobowitz1-4/+4
report events from resumed threads. * gdb.threads/schedlock.exp (get_args): Update to work for any value of NUM. (Top level): Report the number of threads that did not resume.
2008-07-11 Exited threads.Pedro Alves1-45/+3
* thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-10 Non-stop linux native.Pedro Alves1-46/+202
* linux-nat.c (linux_test_for_tracefork): Block events while we're here. (get_pending_status): Implement non-stop mode. (linux_nat_detach): Stop threads before detaching. (linux_nat_resume): In non-stop mode, always resume only a single PTID. (linux_handle_extended_wait): On a clone event, in non-stop mode, add new lwp to GDB's thread table, and mark as running, executing and stopped appropriately. (linux_nat_filter_event): Don't assume there are other running threads when a thread exits. (linux_nat_wait): Mark the main thread as running and executing. In non-stop mode, don't stop all lwps. (linux_nat_kill): Stop lwps before killing them. (linux_nat_thread_alive): Use signal 0 to detect if a thread is alive. (send_sigint_callback): New. (linux_nat_stop): New. (linux_nat_add_target): Set to_stop to linux_nat_stop. * linux-nat.h (thread_db_attach_lwp): Declare. * linux-thread-db.c (thread_get_info_callback): Check for new threads if we have none. (thread_from_lwp, enable_thread_event): Set proc_handle.pid to the stopped lwp. Check for new threads if we have none. (thread_db_attach_lwp): New. (thread_db_init): Set proc_handle.pid to inferior_ptid. (check_event): Set proc_handle.pid to the stopped lwp. (thread_db_find_new_threads): Set proc_handle.pid to any stopped lwp available, bail out if there is none. * linux-fork.c (linux_fork_killall): Use SIGKILL instead of PTRACE_KILL.
2008-07-10gdb/Jan Kratochvil1-0/+76
* NEWS (New commands): Mention "set disable-randomization". * configure.ac: Add check for HAVE_PERSONALITY and HAVE_DECL_ADDR_NO_RANDOMIZE. * configure, config.in: Regenerate. * linux-nat.c [HAVE_PERSONALITY]: New include <sys/personality.h>. [HAVE_PERSONALITY] [!HAVE_DECL_ADDR_NO_RANDOMIZE]: Set ADDR_NO_RANDOMIZE. (disable_randomization, show_disable_randomization) (set_disable_randomization): New. (linux_nat_create_inferior) [HAVE_PERSONALITY]: New variables PERSONALITY_ORIG and PERSONALITY_SET. Disable randomization upon the variable DISABLE_RANDOMIZATION. (_initialize_linux_nat): Call ADD_SETSHOW_BOOLEAN_CMD for the variable DISABLE_RANDOMIZATION. gdb/doc/ * gdb.texinfo (Starting): Document "set disable-randomization". gdb/testsuite/ * gdb.base/randomize.exp, gdb.base/randomize.c: New files.
2008-07-09 Adjust fork/vfork/exec to pass ptids around.Pedro Alves1-4/+5
* 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.
2008-07-09 Add "executing" property to threads.Pedro Alves1-4/+1
* 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).
2008-07-08 * breakpoint.c (mark_breakpoints_out): Make public.Pedro Alves1-0/+10
(update_breakpoints_after_exec): Don't call mark_breakpoints_out here. Update comment. * breakpoint.h (mark_breakpoints_out): Declare. * linux-nat.c (linux_handle_extended_wait): On TARGET_WAITKIND_EXECD, call mark_breakpoints_out. * inf-ttrace.c (inf_ttrace_wait): Likewise.
2008-06-28gdb/Pedro Alves1-58/+102
2008-06-28 Pedro Alves <pedro@codesourcery.com> * linux-nat.c (enum sigchld_state): New. (linux_nat_async_events_state): Renamed from linux_nat_async_events_enabled. (linux_nat_event_pipe_push, my_waitpid): Adjust. (sigchld_default_action): New. (lin_lwp_attach_lwp): Adjust. Call linux_nat_async_events unconditionally. (linux_nat_create_inferior): Set events state to sigchld_default state. (linux_nat_resume): Adjust. (linux_nat_wait): Call linux_nat_async_events unconditionally. (sigchld_handler): Adjust. (linux_nat_async_mask): Don't set SIGCHLD actions here. (get_pending_events): Adjust. (linux_nat_async_events): Rewrite to handle enum sigchld_state instead of a boolean. (linux_nat_async): Adjust. (_initialize_linux_nat): Capture default SIGCHLD action into sigchld_default_action. gdb/testsuite/ 2008-06-28 Pedro Alves <pedro@codesourcery.com> * gdb.base/sigchld.c, gdb.base/sigchld.exp: New test.
2008-06-26 * linux-nat.c: Add description of overall logic.Vladimir Prus1-45/+94
2008-05-24 * gdbarch.sh: Added new gdbarch structCarlos Eduardo Seo1-29/+51
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
2008-05-15 * linux-nat.c (trap_ptid): Delete.Pedro Alves1-14/+2
(linux_nat_detach, linux_nat_wait, linux_nat_mourn_inferior): Adjust. * linux-thread-db.c (thread_db_wait): Adjust.
2008-05-04 * inferior.h (read_pc_pid, write_pc_pid): Remove.Ulrich Weigand1-7/+9
* regcache.h (regcache_read_pc, regcache_write_pc): Add prototypes. * regcache.c (read_pc_pid): Remove, replace by ... (regcache_read_pc): ... this function. (write_pc_pid): Remove, replace by ... (regcache_write_pc): ... this function. (read_pc, write_pc): Update. * infrun.c (displaced_step_prepare): Replace read_pc_pid and write_pc_pid by regcache_read_pc and regcache_write_pc. (displaced_step_fixup): Likewise. (resume): Likewise. Use regcache arch instead of current_gdbarch. (prepare_to_proceed): Likewise. (proceed): Likewise. (adjust_pc_after_break): Likewise. (handle_inferior_event): Likewise. * linux-nat.c (cancel_breakpoint): Likewise. * linux-thread-db.c (check_event): Likewise. * aix-thread.c (aix_thread_wait): Likewise. * tracepoint.c (trace_dump_command): Likewise.
2008-05-032008-05-03 Pedro Alves <pedro@codesourcery.com>Vladimir Prus1-1/+3
* thread.c (delete_thread): Call observer_notify_thread_exit. * mi/mi-interp.c (mi_interpreter_init): Register mi_thread_exit as thread_exit observer. (mi_thread_exit): New.
2008-05-01 * linux-nat.c (linux_nat_switch_fork): Reinit GDB's thread listPedro Alves1-0/+2
and register the fork's PTID as a thread.
2008-05-012008-05-01 Daniel Jacobowitz <dan@codesourcery.com>Daniel Jacobowitz1-76/+206
Pedro Alves <pedro@codesourcery.com> Based on work by Jan Kratochvil <jan.kratochvil@redhat.com> and Jeff Johnston <jjohnstn@redhat.com>. * NEWS: Mention attach to stopped process fix. * infcmd.c (detach_command, disconnect_command): Discard the thread list. * infrun.c (handle_inferior_event): Do not ignore non-SIGSTOP while attaching. Use signal_stop_state. (signal_stop_state): Check stop_soon. * linux-nat.c (kill_lwp): Declare earlier. (pid_is_stopped, linux_nat_post_attach_wait): New. (lin_lwp_attach_lwp): Use linux_nat_post_attach_wait. Update comments. (linux_nat_attach): Use linux_nat_post_attach_wait. (detach_callback, linux_nat_detach): Improve handling for signalled processes. (linux_nat_pid_to_str): Always print out the LWP ID if it differs from the process ID. * Makefile.in (infcmd.o): Update. 2008-05-01 Jan Kratochvil <jan.kratochvil@redhat.com> Daniel Jacobowitz <dan@codesourcery.com> * gdb.threads/attach-into-signal.c, gdb.threads/attach-into-signal.exp, gdb.threads/attach-stopped.c, gdb.threads/attach-stopped.exp, gdb.threads/attachstop-mt.c, gdb.threads/attachstop-mt.exp: New.
2008-03-25 * linux-nat.c (linux_nat_attach): Add the pid we attached to, toPedro Alves1-0/+6
gdb's thread list. (linux_nat_wait): Add main lwp to gdb's thread list. * linux-thread-db.c (find_new_threads_callback): Also attach to already listed threads which thread_db didn't know about yet.
2008-03-252008-03-25 Pedro Alves <pedro@codesourcery.com>Pedro Alves1-59/+103
* linux-nat.c (drain_queued_events): Fix comment typo. (linux_nat_attach): In async mode, don't rely on storing a pending status. Instead place the wait status on the pipe. (linux_nat_resume): Remove unreacheable shortcut code in async mode. (stop_wait_callback): In async mode, don't store pending status. Instead, cancel breakpoints or resend the signal appropriatelly. (cancel_breakpoint): New, refactored from cancel_breakpoints_callback. (cancel_breakpoints_callback): Call cancel_breakpoint. (pipe_to_local_event_queue): Remove special token processing. (linux_nat_wait): Issue an internal error if a pending status is found in async mode.
2008-03-21gdb/Pedro Alves1-56/+814
* target.h (struct target_ops): Delete to_async_mask_value and add to_async_mask. (target_is_async_p, target_async): Formatting. (target_async_mask_value): Delete. (target_async_mask): Delete function declaration, and add new target macro with the same name. * target.c (update_current_target): Replace to_async_mask_value by to_async_mask. Default to_async_mask to return_one. (target_async_mask): Delete. (find_default_can_async_p, find_default_is_async_p): New. (init_dummy_target): register find_default_can_async_p and find_default_is_async_p on the dummy target. * linux-nat.c: Include inf-loop.h, event-loop.h and event-top.h. (debug_linux_nat_async): New global. (show_debug_linux_nat_async): New function. (linux_nat_async_enabled, linux_nat_async_mask_value) (linux_nat_event_pipe, linux_nat_num_queued_events) (linux_nat_async_events_enabled): New globals. (struct waitpid_result): New struct. (waitpid_queue): New global. (queued_waitpid, push_waitpid, drain_queued_events): New. (my_waitpid): Call queued_waitpid. (linux_child_follow_fork): Disable async events during the call. (blocked_mask): Delete. (sync_sigchld_action, async_sigchld_action): New globals. (lin_lwp_attach_lwp): In sync mode, don't reblock SIGCHLD. In async mode, block events during the call. (linux_nat_create_inferior): New. (linux_nat_attach): In sync mode, restore the mask states. In async mode, wake the event loop immediatelly. (detach_callback): Drain all queued events of the lwp we're detaching from. (linux_nat_detach): Block async mode, and drain events of the main process. (linux_nat_resume): If in async mode, mask async events during the call. If short circuiting, force event loop to wake up. If resuming, set target_executing, and register target events in the event loop. (pipe_to_local_event_queue, local_event_queue_to_pipe): New. (linux_nat_wait): In async mode, block events during the call. Only enable/disable passing SIGINT to the inferior in sync mode. Get events from local waitpid queue. If no interesting events was found, return to events loop. Reregister target events in the event loop on exit. In sync mode, no need to reblock SIGCHLD. (linux_nat_kill): Disable events on entry. (linux_nat_mourn_inferior): In sync mode, don't restore the masks here. Detach async mode from the event loop if there are no more forks available, otherwise leave it on. (sigchld_handler): Assure this is called only in sync mode. (linux_async_permitted, linux_async_permitted_1): New globals. (set_maintenance_linux_async_permitted) (show_maintenance_linux_async_permitted): New functions. (linux_nat_is_async_p, linux_nat_can_async_p) (linux_nat_async_mask): New. (linux_nat_event_pipe_pop, linux_nat_event_pipe_push): New. (get_pending_events, async_sigchld_handler): New. (linux_nat_async_events): New. (async_terminal_is_ours): New global. (linux_nat_terminal_inferior, linux_nat_terminal_ours): New. (async_client_callback, async_client_context): New. (linux_nat_async_file_handler, linux_nat_async) (linux_nat_disable_async, linux_nat_enable_async): New. (linux_nat_add_target): Register linux_nat_create_inferior, linux_nat_can_async_p, linux_nat_is_async_p, linux_nat_async, linux_nat_async_mask, linux_nat_terminal_inferior and linux_nat_terminal_ours. (_initialize_linux_nat): Remove local action variable, and update code that used it to use sync_sigchld_action. Add new "lin-lwp-async" debug set/show command. Put the "lin-lwp" debug set/show command in the maintenance class. Add new "linux-async" maintenance set/show command. Block SIGCHLD by default. Setup async_sichld_action, and sync_sigchld_action. Install the default async mode. (lin_thread_get_thread_signals): Use a local sigset_t for blocking the cancel signals. * linux-thread-db.c (re_check_for_thread_db): New. (clear_lwpid_callback): Handle TARGET_WAITKIND_IGNORE. (thread_db_can_async_p, thread_db_is_async_p, thread_db_async) (thread_db_async_mask): New. (init_thread_db_ops): Register thread_db_can_async_p, thread_db_is_async_p, thread_db_async and thread_db_async_mask. * remote.c (remote_async_mask_value): New. (remote_return_zero): New. (init_remote_ops): Register remote_return_zero as callbacks of to_can_async_p and to_is_async_p. (remote_can_async_p, remote_is_async_p, remote_async): Update to use remote_async_mask_value. (remote_async_mask): New. (init_remote_async_ops): Remove to_async_mask_value setting and register remote_async_mask as to_async_mask callback in remote_async_ops. * Makefile.in (linux-nat.o): Update. gdb/doc/ * gdb.texinfo (Debugging Output): Document "set/show debug lin-lwp-async". (Maintenance Commands): Document "maint set/show linux-async".
2008-03-212008-03-21 Daniel Jacobowitz <dan@codesourcery.com>Daniel Jacobowitz1-40/+3
* gdbthread.h (add_thread_with_info): New. * linux-thread-db.c: Add some documentation. (GET_LWP, GET_PID, GET_THREAD, is_lwp, is_thread, BUILD_LWP): Delete. (struct private_thread_info): Remove th_valid and ti_valid. Replace ti with tid. (thread_get_info_callback): Do not add TID to the new ptid. Do not cache th or ti. (thread_db_map_id2thr, lwp_from_thread): Delete functions. (thread_from_lwp): Assert that the LWP is set. Do not add TID to the new PTID. (attach_thread): Handle an already-existing thread. Use add_thread_with_info. Cache the th and tid. (detach_thread): Verify that private was set. Remove verbose argument and printing. Update caller. (thread_db_detach): Do not adjust inferior_ptid. (clear_lwpid_callback, thread_db_resume, thread_db_kill): Delete. (check_event, find_new_threads_callback): Do not add TID to the new PTID. (thread_db_wait): Do not use lwp_from_thread. (thread_db_pid_to_str): Use the cached TID. (thread_db_extra_thread_info): Check that private is set. (same_ptid_callback): Delete. (thread_db_get_thread_local_address): Do not use it or check is_thread. Check that private is set. Assume that the thread handle is already cached. (init_thread_db_ops): Remove to_resume and to_kill. * thread.c (add_thread_with_info): New. (add_thread): Use it. * linux-nat.c (find_thread_from_lwp): Delete. (exit_lwp): Do not use it. Check print_thread_events. Print before deleting the thread. (GET_PID, GET_LWP, BUILD_LWP, is_lwp): Move to... * linux-nat.h (GET_PID, GET_LWP, BUILD_LWP, is_lwp): ...here. * inf-ttrace.c (inf_ttrace_wait): Use print_thread_events and printf_unfiltered for thread exits. * procfs.c (procfs_wait): Likewise. 2008-03-21 Pedro Alves <pedro@codesourcery.com> * gdb.threads/fork-child-threads.exp: Test next over fork.
2008-03-17 * linux-nat.c (linux_nat_filter_event): Fix comment typo.Pedro Alves1-1/+1