1999-04-16 01:35:26 +00:00
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/* General utility routines for the remote server for GDB.
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2007-01-09 17:59:20 +00:00
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Copyright (C) 1986, 1989, 1993, 1995, 1996, 1997, 1999, 2000, 2002, 2003,
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2007 Free Software Foundation, Inc.
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1999-04-16 01:35:26 +00:00
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1999-07-07 20:19:36 +00:00
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This file is part of GDB.
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1999-04-16 01:35:26 +00:00
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1999-07-07 20:19:36 +00:00
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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2007-08-23 18:08:50 +00:00
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the Free Software Foundation; either version 3 of the License, or
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1999-07-07 20:19:36 +00:00
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(at your option) any later version.
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1999-04-16 01:35:26 +00:00
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1999-07-07 20:19:36 +00:00
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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1999-04-16 01:35:26 +00:00
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1999-07-07 20:19:36 +00:00
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You should have received a copy of the GNU General Public License
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2007-08-23 18:08:50 +00:00
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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1999-04-16 01:35:26 +00:00
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#include "server.h"
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#include <stdio.h>
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#include <string.h>
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gdb/
* arm-wince-tdep.c: New.
* config/arm/wince.mt (DEPRECATED_TM_FILE): Use tm-arm.h.
(MT_CFLAGS): Delete.
(TM_CLIBS): Delete.
(TDEPFILES): Add arm-wince-tdep.o, corelow.o, solib.o,
solib-legacy.o, solib-svr4.o, and remove wince.o.
* configure.tgt (arm*-*-mingw32ce*): Add.
* signals/signals.c [HAVE_SIGNAL_H]: Check.
(do_target_signal_to_host): Silence 'not used' warning.
* config/arm/tm-wince.h: Remove.
gdb/gdbserver/
* gdbserver/configure.ac: Add errno checking.
(AC_CHECK_HEADERS): Add errno.h, fcntl.h, signal.h,
sys/file.h and malloc.h.
(AC_CHECK_DECLS): Add perror.
(srv_mingwce): Handle.
* gdbserver/configure.srv (i[34567]86-*-cygwin*): Add
win32-i386-low.o to srv_tgtobj.
(i[34567]86-*-mingw*): Likewise.
(arm*-*-mingw32ce*): Add case.
* gdbreplay.c [HAVE_SYS_FILE_H, HAVE_SIGNAL_H,
HAVE_FCNTL_H, HAVE_ERRNO_H, HAVE_MALLOC_H]: Check.
[__MINGW32CE__] (strerror): New function.
[__MINGW32CE__] (errno): Define to GetLastError.
[__MINGW32CE__] (COUNTOF): New macro.
(remote_open): Remove extra close call.
* mem-break.c (delete_breakpoint_at): New function.
* mem-break.h (delete_breakpoint_at): Declare.
* remote-utils.c [HAVE_SYS_FILE_H, HAVE_SIGNAL_H,
HAVE_FCNTL_H, HAVE_UNISTD_H, HAVE_ERRNO_H]: Check.
[USE_WIN32API] (read, write): Add char* casts.
* server.c [HAVE_UNISTD_H, HAVE_SIGNAL_H]: Check.
* server.h: Include wincecompat.h on Windows CE.
[HAVE_ERRNO_H]: Check.
(perror): Declare if not declared.
* utils.c: Add stdlib.h, errno.h and malloc.h includes.
(perror_with_name): Remove errno declaration.
* wincecompat.h: New.
* wincecompat.c: New.
* win32-low.h: New.
* win32-arm-low.c: New.
* win32-i386-low.c: New.
(win32-low.c): Include mem-break.h and win32-low.h, and winnt.h.
(OUTMSG2): Make it safe.
(_T): New macro.
(COUNTOF): New macro.
(NUM_REGS): Get it from the low target.
(CONTEXT_EXTENDED_REGISTERS, CONTEXT_FLOATING_POINT,
CONTEXT_DEBUG_REGISTERS): Add fallbacks to 0.
(thread_rec): Let low target handle debug registers.
(child_add_thread): Likewise.
(child_init_thread_list): Likewise.
(continue_one_thread): Likewise.
(regptr): New.
(do_child_fetch_inferior_registers): Move to ...
* win32-i386-low.c: ... here, and rename to ...
(do_fetch_inferior_registers): ... this.
* win32-low.c (child_fetch_inferior_registers):
Go through the low target.
(do_child_store_inferior_registers): Use regptr.
(strwinerror): New function.
(win32_create_inferior): Handle Windows CE.
Use strwinerror instead of strerror on Windows error
codes. Add program to the error output.
Don't close the main thread handle on Windows CE.
(win32_attach): Use coredll.dll on Windows CE.
(win32_kill): Close current process and current
thread handles.
(win32_detach): Use coredll.dll on Windows CE.
(win32_resume): Let low target handle debug registers, and
step request.
(handle_exception): Add/Remove initial breakpoint. Avoid
non-existant WSTOPSIG on Windows CE.
(win32_read_inferior_memory): Cast to remove warning.
(win32_arch_string): Go through the low target.
(initialize_low): Call set_breakpoint_data with the low
target's breakpoint.
* win32-low.c (dr, FLAG_TRACE_BIT, FCS_REGNUM,
FOP_REGNUM, mappings): Move to ...
* win32-i386-low.c: ... here.
* win32-low.c (win32_thread_info): Move to ...
* win32-low.h: ... here.
* Makefile.in (SFILES): Add win32-low.c, win32-i386-low.c,
win32-arm-low.c and wincecompat.c.
(all:): Add $EXEEXT.
(install-only:): Likewise.
(gdbserver:): Likewise.
(gdbreplay:): Likewise.
* config.in: Regenerate.
* configure: Regenerate.
2007-03-29 01:06:48 +00:00
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#include <stdlib.h>
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#if HAVE_ERRNO_H
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#include <errno.h>
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#endif
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#if HAVE_MALLOC_H
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#include <malloc.h>
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#endif
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1999-04-16 01:35:26 +00:00
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/* Generally useful subroutines used throughout the program. */
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/* Print the system error message for errno, and also mention STRING
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as the file name for which the error was encountered.
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Then return to command level. */
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void
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2000-07-30 01:48:28 +00:00
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perror_with_name (char *string)
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1999-04-16 01:35:26 +00:00
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{
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1999-11-02 04:44:47 +00:00
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const char *err;
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1999-04-16 01:35:26 +00:00
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char *combined;
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2003-06-29 04:01:39 +00:00
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err = strerror (errno);
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if (err == NULL)
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1999-04-16 01:35:26 +00:00
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err = "unknown error";
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combined = (char *) alloca (strlen (err) + strlen (string) + 3);
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strcpy (combined, string);
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strcat (combined, ": ");
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strcat (combined, err);
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error ("%s.", combined);
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}
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/* Print an error message and return to command level.
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STRING is the error message, used as a fprintf string,
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and ARG is passed as an argument to it. */
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2002-04-09 21:11:35 +00:00
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void
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1999-07-07 20:19:36 +00:00
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error (const char *string,...)
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1999-04-16 01:35:26 +00:00
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{
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extern jmp_buf toplevel;
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va_list args;
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va_start (args, string);
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fflush (stdout);
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vfprintf (stderr, string, args);
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fprintf (stderr, "\n");
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1999-07-07 20:19:36 +00:00
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longjmp (toplevel, 1);
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1999-04-16 01:35:26 +00:00
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}
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/* Print an error message and exit reporting failure.
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This is for a error that we cannot continue from.
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STRING and ARG are passed to fprintf. */
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/* VARARGS */
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2002-04-09 21:11:35 +00:00
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void
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2002-02-14 06:21:24 +00:00
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fatal (const char *string,...)
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1999-04-16 01:35:26 +00:00
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{
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va_list args;
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va_start (args, string);
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* inferiors.c (change_inferior_id): Delete.
(add_pid_to_list, pull_pid_from_list): New.
* linux-low.c (PTRACE_SETOPTIONS, PTRACE_GETEVENTMSG)
(PTRACE_O_TRACESYSGOOD, PTRACE_O_TRACEFORK, PTRACE_O_TRACEVFORK)
(PTRACE_O_TRACECLONE, PTRACE_O_TRACEEXEC, PTRACE_O_TRACEVFORKDONE)
(PTRACE_O_TRACEEXIT, PTRACE_EVENT_FORK, PTRACE_EVENT_VFORK)
(PTRACE_EVENT_CLONE, PTRACE_EVENT_EXEC, PTRACE_EVENT_VFORK_DONE)
(PTRACE_EVENT_EXIT, __WALL): Provide default definitions.
(stopped_pids, thread_db_active, must_set_ptrace_flags): New variables.
(using_threads): Always set to 1.
(handle_extended_wait): New.
(add_process): Do not set TID.
(linux_create_inferior): Set must_set_ptrace_flags.
(linux_attach_lwp): Remove TID argument. Do not check using_threads.
Use PTRACE_SETOPTIONS. Call new_thread_notify. Update all callers.
(linux_thread_alive): Rename TID argument to LWPID.
(linux_wait_for_process): Handle unknown processes. Do not use TID.
(linux_wait_for_event): Do not use TID or check using_threads. Update
call to dead_thread_notify. Call handle_extended_wait.
(linux_create_inferior): Use PTRACE_SETOPTIONS.
(send_sigstop): Delete sigstop_sent.
(wait_for_sigstop): Avoid TID.
(linux_supports_tracefork_flag, linux_tracefork_child, my_waitpid)
(linux_test_for_tracefork): New.
(linux_lookup_signals): Use thread_db_active and
linux_supports_tracefork_flag.
(initialize_low): Use thread_db_active and linux_test_for_tracefork.
* linux-low.h (get_process_thread): Avoid TID.
(struct process_ifo): Move thread_known and tid to the end. Remove
sigstop_sent.
(linux_attach_lwp, thread_db_init): Update prototypes.
* server.h (change_inferior_id): Delete prototype.
(add_pid_to_list, pull_pid_from_list): New prototypes.
* thread-db.c (thread_db_use_events): New.
(find_first_thread): Rename to...
(find_one_thread): ...this. Update callers and messages. Do not
call fatal. Check thread_db_use_events. Do not call
change_inferior_id or new_thread_notify.
(maybe_attach_thread): Update. Do not call new_thread_notify.
(thread_db_init): Set thread_db_use_events. Check use_events.
* utils.c (fatal, warning): Correct message prefix.
2007-10-23 20:05:03 +00:00
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fprintf (stderr, "gdbserver: ");
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1999-04-16 01:35:26 +00:00
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vfprintf (stderr, string, args);
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fprintf (stderr, "\n");
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va_end (args);
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exit (1);
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}
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2002-02-14 06:21:24 +00:00
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/* VARARGS */
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void
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warning (const char *string,...)
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{
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va_list args;
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va_start (args, string);
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* inferiors.c (change_inferior_id): Delete.
(add_pid_to_list, pull_pid_from_list): New.
* linux-low.c (PTRACE_SETOPTIONS, PTRACE_GETEVENTMSG)
(PTRACE_O_TRACESYSGOOD, PTRACE_O_TRACEFORK, PTRACE_O_TRACEVFORK)
(PTRACE_O_TRACECLONE, PTRACE_O_TRACEEXEC, PTRACE_O_TRACEVFORKDONE)
(PTRACE_O_TRACEEXIT, PTRACE_EVENT_FORK, PTRACE_EVENT_VFORK)
(PTRACE_EVENT_CLONE, PTRACE_EVENT_EXEC, PTRACE_EVENT_VFORK_DONE)
(PTRACE_EVENT_EXIT, __WALL): Provide default definitions.
(stopped_pids, thread_db_active, must_set_ptrace_flags): New variables.
(using_threads): Always set to 1.
(handle_extended_wait): New.
(add_process): Do not set TID.
(linux_create_inferior): Set must_set_ptrace_flags.
(linux_attach_lwp): Remove TID argument. Do not check using_threads.
Use PTRACE_SETOPTIONS. Call new_thread_notify. Update all callers.
(linux_thread_alive): Rename TID argument to LWPID.
(linux_wait_for_process): Handle unknown processes. Do not use TID.
(linux_wait_for_event): Do not use TID or check using_threads. Update
call to dead_thread_notify. Call handle_extended_wait.
(linux_create_inferior): Use PTRACE_SETOPTIONS.
(send_sigstop): Delete sigstop_sent.
(wait_for_sigstop): Avoid TID.
(linux_supports_tracefork_flag, linux_tracefork_child, my_waitpid)
(linux_test_for_tracefork): New.
(linux_lookup_signals): Use thread_db_active and
linux_supports_tracefork_flag.
(initialize_low): Use thread_db_active and linux_test_for_tracefork.
* linux-low.h (get_process_thread): Avoid TID.
(struct process_ifo): Move thread_known and tid to the end. Remove
sigstop_sent.
(linux_attach_lwp, thread_db_init): Update prototypes.
* server.h (change_inferior_id): Delete prototype.
(add_pid_to_list, pull_pid_from_list): New prototypes.
* thread-db.c (thread_db_use_events): New.
(find_first_thread): Rename to...
(find_one_thread): ...this. Update callers and messages. Do not
call fatal. Check thread_db_use_events. Do not call
change_inferior_id or new_thread_notify.
(maybe_attach_thread): Update. Do not call new_thread_notify.
(thread_db_init): Set thread_db_use_events. Check use_events.
* utils.c (fatal, warning): Correct message prefix.
2007-10-23 20:05:03 +00:00
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fprintf (stderr, "gdbserver: ");
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2002-02-14 06:21:24 +00:00
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vfprintf (stderr, string, args);
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fprintf (stderr, "\n");
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va_end (args);
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}
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