mirror of
https://github.com/ioacademy-jikim/debugging
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109 lines
4.4 KiB
C
109 lines
4.4 KiB
C
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/*--------------------------------------------------------------------*/
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/*--- Declarations common for vgdb and implementations ---*/
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/*--- of vgdb-invoker. vgdb.h ---*/
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/*--------------------------------------------------------------------*/
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/*
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This file is part of Valgrind, a dynamic binary instrumentation
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framework.
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Copyright (C) 2011-2015 Philippe Waroquiers
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307, USA.
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The GNU General Public License is contained in the file COPYING.
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*/
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#ifndef __VGDB_H
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#define __VGDB_H
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#include "pub_core_basics.h"
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#include "pub_core_vki.h"
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#include "pub_core_gdbserver.h"
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#include <sys/types.h>
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extern int debuglevel;
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extern struct timeval dbgtv;
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/* if level <= debuglevel, print timestamp, then print provided by debug info */
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#define DEBUG(level, ...) (level <= debuglevel ? \
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gettimeofday(&dbgtv, NULL), \
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fprintf(stderr, "%ld.%6.6ld ", \
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(long int)dbgtv.tv_sec, \
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(long int)dbgtv.tv_usec), \
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fprintf(stderr, __VA_ARGS__),fflush(stderr) \
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: 0)
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/* same as DEBUG but does not print time stamp info */
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#define PDEBUG(level, ...) (level <= debuglevel ? \
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fprintf(stderr, __VA_ARGS__),fflush(stderr) \
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: 0)
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/* if errno != 0,
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report the errno and fprintf the ... varargs on stderr. */
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#define ERROR(errno, ...) ((errno == 0 ? 0 : perror("syscall failed")), \
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fprintf(stderr, __VA_ARGS__), \
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fflush(stderr))
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/* same as ERROR, but also exits with status 1 */
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#define XERROR(errno, ...) ((errno == 0 ? 0 : perror("syscall failed")), \
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fprintf(stderr, __VA_ARGS__), \
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fflush(stderr), \
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exit(1))
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/* Calls malloc (size). Exits if memory can't be allocated. */
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extern void *vmalloc(size_t size);
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/* Calls realloc (size). Exits if memory can't be allocated. */
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extern void *vrealloc(void *ptr,size_t size);
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/* Will be set to True when any condition indicating we have to shutdown
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is encountered. */
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extern Bool shutting_down;
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extern VgdbShared32 *shared32;
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extern VgdbShared64 *shared64;
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/*--------------------------------------------------------------------*/
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/*--- Below is vgdb-invoker interface which must be implemented by ---*/
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/*--- all vgdb-invoker implementations. ---*/
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/*--------------------------------------------------------------------*/
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/* Possibly produces additional usage information documenting the
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invoker restrictions. */
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void invoker_restrictions_msg(void);
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/* Restore the registers to the saved value, then detaches from all threads.
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Used as a cleanup handler for thread cancellation. */
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void invoker_cleanup_restore_and_detach(void *v_pid);
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/* Ensures that the gdbserver code is invoked by pid.
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If an error occurs, resets the valgrind process
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to the state it had before being invoked.
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Returns True if invoke successful, False otherwise. */
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Bool invoker_invoke_gdbserver(pid_t pid);
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/* Called when connection with valgrind is lost. In case we
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have lost the connection, it means that Valgrind has closed the
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connection and is busy exiting. We can't and don't have to stop it in
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this case. */
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void invoker_valgrind_dying(void);
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#endif // __VGDB_H
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/*--------------------------------------------------------------------*/
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/*--- end ---*/
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/*--------------------------------------------------------------------*/
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