Commit Graph

128 Commits

Author SHA1 Message Date
Joel Brobecker 5d3b6af6f9 * linux-nat.c (linux_nat_filter_event): Minor comment reformatting. 2009-04-01 19:07:50 +00:00
Joel Brobecker 9db037429b * linux-nat.c (linux_nat_filter_events): Do not delete the lwp if
this is the last one.
2009-04-01 18:56:30 +00:00
Pierre Muller 1a6d2f2ff6 ARI fix: "strlen d_name" rule.
* linux-nat.c (linux_nat_xfer_osdata): Use NAMELEN macro.
2009-03-25 10:02:13 +00:00
Doug Evans 89ecc4f5e7 * linux-nat.c (linux_nat_find_memory_regions): Result of PIDGET is an
int, not a long long.
	(linux_nat_info_proc_cmd): Store pid in long instead of long long.
2009-03-18 16:47:45 +00:00
Joel Brobecker 7d85a9c0e3 Add a target_ops parameter to the to_kill method in struct target_ops.
* 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.
2009-03-17 19:28:09 +00:00
Pedro Alves 28439f5ef7 * corelow.c (get_core_registers): Adjust.
(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.
2009-02-23 00:03:50 +00:00
Pedro Alves 2c0b251b29 2008-02-21 Pedro Alves <pedro@codesorcery.com>
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.
2009-02-21 16:14:50 +00:00
Pedro Alves 1ef18d0809 * linux-nat.c (PTRACE_SETSIGINFO): Define if PTRACE_GETSIGINFO
isn't defined.
2009-02-07 14:50:25 +00:00
Pedro Alves 5b009018d2 * amd64-linux-nat.c (compat_int_t, compat_uptr_t, compat_time_t)
(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.
2009-02-06 23:06:58 +00:00
Pedro Alves 4aa995e123 2009-02-06 Pedro Alves <pedro@codesourcery.com>
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 22:59:01 +00:00
Pedro Alves 117de6a924 * linux-nat.c (linux_nat_wait): Adjust.
(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.
2009-02-06 22:21:26 +00:00
Pedro Alves 77435e4c95 * linux-nat.c (linux_child_follow_fork): Copy attach_flag from the
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.
2009-01-26 22:34:55 +00:00
Jim Blandy bf1d7d9ce0 Check return values of functions declared with warn_unused_result
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.
2009-01-06 18:31:59 +00:00
Joel Brobecker 0fb0cc7590 Updated copyright notices for most files. 2009-01-03 05:58:08 +00:00
Pedro Alves 7a7d33537f * linux-fork.c (linux_fork_detach): New.
* 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.
2008-12-28 16:14:57 +00:00
Pedro Alves 0d14fc6327 * linux-nat.c (linux_child_follow_fork): If following the child,
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.
2008-12-18 21:35:23 +00:00
Tristan Gingold d26b535418 2008-12-16 Tristan Gingold <gingold@adacore.com>
* 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.
2008-12-16 11:15:58 +00:00
Vladimir Prus 07e059b5a9 Implement -list-thread-groups --available
* 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.
2008-12-02 07:57:38 +00:00
Vladimir Prus 136d6dae62 Kill pthread_ops_hack
* 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.
2008-11-09 11:27:18 +00:00
Tom Tromey 7c8a8b0498 * cli/cli-script.c (do_fclose_cleanup): Remove.
(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.
2008-10-28 15:22:13 +00:00
Pedro Alves 252fbfc86a gdb/
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.
2008-10-23 23:11:21 +00:00
Paul Pluzhnikov d1a4106143 2008-10-03 Paul Pluzhnikov <ppluzhnikov@google.com>
* 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.
2008-10-03 16:36:10 +00:00
Thiago Jung Bauermann 8b8655b3f7 2008-09-25 Sérgio Durigan Júnior <sergiodj@linux.vnet.ibm.com>
* linux-nat.c (get_pending_status): Fix argument to WIFSTOPPED.
2008-09-25 14:13:44 +00:00
Pedro Alves d6b48e9c8b Make the stop_soon global be per-inferior instead.
* 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 15:20:08 +00:00
Pedro Alves 7f9f62ba18 * gnu-nat.c (gnu_attach): Add process to inferiors table.
(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.
2008-09-22 15:16:51 +00:00
Pedro Alves 1ad15515cd gdb/
* 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.
2008-09-22 11:00:41 +00:00
Pedro Alves 2020b7abd8 Remove the global stop_signal in favour of a per-thread
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 21:51:18 +00:00
Pedro Alves 4e1c45eac7 Remove context switching in favour of accessing thread_info fields
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 21:40:39 +00:00
Pedro Alves af99052775 * inf-ptrace.c: Include "gdbthread.h".
(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 21:25:05 +00:00
Pedro Alves 27c9d2043e * linux-nat.c (linux_nat_wait): Update inferior_ptid's ptid with
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.
2008-09-08 21:22:49 +00:00
Vladimir Prus 9908b56683 Make sure target supports non-stop.
* 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 13:22:14 +00:00
Vladimir Prus c6ebd6cf99 * target.c (target_async_permitted, target_async_permitted_1)
(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.
2008-08-19 13:05:02 +00:00
Daniel Jacobowitz 57380f4e0b * linux-nat.c (resume_callback): Add more debugging output.
(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 21:12:40 +00:00
Daniel Jacobowitz e09490f18a * linux-nat.c (count_events_callback, select_event_lwp_callback): Only
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.
2008-07-27 21:05:37 +00:00
Pedro Alves 4f8d22e3b4 Exited threads.
* 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).
2008-07-11 11:07:39 +00:00
Pedro Alves 4c28f408df Non-stop linux native.
* 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.
2008-07-10 22:58:37 +00:00
Jan Kratochvil 10568435e1 gdb/
* 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.
2008-07-10 09:31:00 +00:00
Pedro Alves 3a3e9ee36f Adjust fork/vfork/exec to pass ptids around.
* 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 22:23:05 +00:00
Pedro Alves 8ea051c51f Add "executing" property to threads.
* 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 22:16:15 +00:00
Pedro Alves 25b22b0a6f * breakpoint.c (mark_breakpoints_out): Make public.
(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.
2008-07-08 10:59:57 +00:00
Pedro Alves 84e46146f7 gdb/
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.
2008-06-28 11:15:34 +00:00
Vladimir Prus 8a77dff322 * linux-nat.c: Add description of overall logic. 2008-06-26 17:40:23 +00:00
Carlos Eduardo Seo 17ea7499a9 * gdbarch.sh: Added new gdbarch struct
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
2008-05-24 16:32:01 +00:00
Pedro Alves 4fdebdd056 * linux-nat.c (trap_ptid): Delete.
(linux_nat_detach, linux_nat_wait, linux_nat_mourn_inferior):
	Adjust.
	* linux-thread-db.c (thread_db_wait): Adjust.
2008-05-15 20:11:48 +00:00
Ulrich Weigand 515630c5e5 * inferior.h (read_pc_pid, write_pc_pid): Remove.
* 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.
2008-05-04 14:12:34 +00:00
Vladimir Prus 063bfe2e12 2008-05-03 Pedro Alves <pedro@codesourcery.com>
* 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.
2008-05-03 15:10:42 +00:00
Pedro Alves 728c8f5867 * linux-nat.c (linux_nat_switch_fork): Reinit GDB's thread list
and register the fork's PTID as a thread.
2008-05-01 22:48:49 +00:00
Daniel Jacobowitz a0ef42744d 2008-05-01 Daniel Jacobowitz <dan@codesourcery.com>
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.
2008-05-01 18:50:14 +00:00
Pedro Alves 403fe1979f * linux-nat.c (linux_nat_attach): Add the pid we attached to, to
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.
2008-03-25 12:26:21 +00:00
Pedro Alves 710151dda5 2008-03-25 Pedro Alves <pedro@codesourcery.com>
* 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.
2008-03-25 12:20:10 +00:00