old-cross-binutils/gdb/gdbserver/utils.c

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/* General utility routines for the remote server for GDB.
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Copyright (C) 1986, 1989, 1993, 1995, 1996, 1997, 1999, 2000, 2002, 2003,
2007 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "server.h"
#include <stdio.h>
#include <string.h>
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.
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#include <stdlib.h>
#if HAVE_ERRNO_H
#include <errno.h>
#endif
#if HAVE_MALLOC_H
#include <malloc.h>
#endif
/* Generally useful subroutines used throughout the program. */
/* Print the system error message for errno, and also mention STRING
as the file name for which the error was encountered.
Then return to command level. */
void
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perror_with_name (char *string)
{
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const char *err;
char *combined;
err = strerror (errno);
if (err == NULL)
err = "unknown error";
combined = (char *) alloca (strlen (err) + strlen (string) + 3);
strcpy (combined, string);
strcat (combined, ": ");
strcat (combined, err);
error ("%s.", combined);
}
/* Print an error message and return to command level.
STRING is the error message, used as a fprintf string,
and ARG is passed as an argument to it. */
void
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error (const char *string,...)
{
extern jmp_buf toplevel;
va_list args;
va_start (args, string);
fflush (stdout);
vfprintf (stderr, string, args);
fprintf (stderr, "\n");
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longjmp (toplevel, 1);
}
/* Print an error message and exit reporting failure.
This is for a error that we cannot continue from.
STRING and ARG are passed to fprintf. */
/* VARARGS */
void
2002-02-14 Daniel Jacobowitz <drow@mvista.com> * gdbserver/Makefile.in: Add regformats directory to INCLUDE_CFLAGS, and remove unused $(INCLUDE_DIR). Add regcache.c to OBS. Add generated register protocol files to clean target. Update dependencies for new objects, obsolete old target code. * gdbserver/linux-low.c: Remove all platform-specific code to new files. Remove various dead code. Update to use regcache functionality. * gdbserver/remote-utils.c (fromhex): Add return statement to quiet warning. (putpkt): Dynamically allocate buf2 because PBUFSIZ is no longer constant. (input_interrupt): Add integer parameter to match prototype of a signal handler. (outreg): Use register_data (). (prepare_resume_reply): Use gdbserver_expedite_regs. * gdbserver/server.c (main): Dynamically allocate own_buf because PBUFSIZ is no longer constant. Use registers_to_string () and registers_from_string (). * gdbserver/server.h: No longer include "defs.h". Add prototypes for error (), fatal (), and warning (). Update definition of PBUFSIZ to use regcache functionality. Add include guard. * gdbserver/utils.c (fatal): Add missing ``const''. (warning): New function. * regformats/regdat.sh: Include "regcache.h" in generated files. Provide init_registers () function. * regformats/regdef.h: Add prototype for set_register_cache (). Add include guard. * gdbserver/linux-arm-low.c: New file. * gdbserver/linux-i386-low.c: New file. * gdbserver/linux-ia64-low.c: New file. * gdbserver/linux-m68k-low.c: New file. * gdbserver/linux-mips-low.c: New file. * gdbserver/linux-ppc-low.c: New file. * gdbserver/linux-sh-low.c: New file. * gdbserver/regcache.c: New file. * gdbserver/regcache.h: New file. * gdbserver/low-linux.c: Removed obsolete file.
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fatal (const char *string,...)
{
va_list args;
va_start (args, string);
* 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.
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fprintf (stderr, "gdbserver: ");
vfprintf (stderr, string, args);
fprintf (stderr, "\n");
va_end (args);
exit (1);
}
2002-02-14 Daniel Jacobowitz <drow@mvista.com> * gdbserver/Makefile.in: Add regformats directory to INCLUDE_CFLAGS, and remove unused $(INCLUDE_DIR). Add regcache.c to OBS. Add generated register protocol files to clean target. Update dependencies for new objects, obsolete old target code. * gdbserver/linux-low.c: Remove all platform-specific code to new files. Remove various dead code. Update to use regcache functionality. * gdbserver/remote-utils.c (fromhex): Add return statement to quiet warning. (putpkt): Dynamically allocate buf2 because PBUFSIZ is no longer constant. (input_interrupt): Add integer parameter to match prototype of a signal handler. (outreg): Use register_data (). (prepare_resume_reply): Use gdbserver_expedite_regs. * gdbserver/server.c (main): Dynamically allocate own_buf because PBUFSIZ is no longer constant. Use registers_to_string () and registers_from_string (). * gdbserver/server.h: No longer include "defs.h". Add prototypes for error (), fatal (), and warning (). Update definition of PBUFSIZ to use regcache functionality. Add include guard. * gdbserver/utils.c (fatal): Add missing ``const''. (warning): New function. * regformats/regdat.sh: Include "regcache.h" in generated files. Provide init_registers () function. * regformats/regdef.h: Add prototype for set_register_cache (). Add include guard. * gdbserver/linux-arm-low.c: New file. * gdbserver/linux-i386-low.c: New file. * gdbserver/linux-ia64-low.c: New file. * gdbserver/linux-m68k-low.c: New file. * gdbserver/linux-mips-low.c: New file. * gdbserver/linux-ppc-low.c: New file. * gdbserver/linux-sh-low.c: New file. * gdbserver/regcache.c: New file. * gdbserver/regcache.h: New file. * gdbserver/low-linux.c: Removed obsolete file.
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/* VARARGS */
void
warning (const char *string,...)
{
va_list args;
va_start (args, string);
* 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.
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fprintf (stderr, "gdbserver: ");
2002-02-14 Daniel Jacobowitz <drow@mvista.com> * gdbserver/Makefile.in: Add regformats directory to INCLUDE_CFLAGS, and remove unused $(INCLUDE_DIR). Add regcache.c to OBS. Add generated register protocol files to clean target. Update dependencies for new objects, obsolete old target code. * gdbserver/linux-low.c: Remove all platform-specific code to new files. Remove various dead code. Update to use regcache functionality. * gdbserver/remote-utils.c (fromhex): Add return statement to quiet warning. (putpkt): Dynamically allocate buf2 because PBUFSIZ is no longer constant. (input_interrupt): Add integer parameter to match prototype of a signal handler. (outreg): Use register_data (). (prepare_resume_reply): Use gdbserver_expedite_regs. * gdbserver/server.c (main): Dynamically allocate own_buf because PBUFSIZ is no longer constant. Use registers_to_string () and registers_from_string (). * gdbserver/server.h: No longer include "defs.h". Add prototypes for error (), fatal (), and warning (). Update definition of PBUFSIZ to use regcache functionality. Add include guard. * gdbserver/utils.c (fatal): Add missing ``const''. (warning): New function. * regformats/regdat.sh: Include "regcache.h" in generated files. Provide init_registers () function. * regformats/regdef.h: Add prototype for set_register_cache (). Add include guard. * gdbserver/linux-arm-low.c: New file. * gdbserver/linux-i386-low.c: New file. * gdbserver/linux-ia64-low.c: New file. * gdbserver/linux-m68k-low.c: New file. * gdbserver/linux-mips-low.c: New file. * gdbserver/linux-ppc-low.c: New file. * gdbserver/linux-sh-low.c: New file. * gdbserver/regcache.c: New file. * gdbserver/regcache.h: New file. * gdbserver/low-linux.c: Removed obsolete file.
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vfprintf (stderr, string, args);
fprintf (stderr, "\n");
va_end (args);
}