1 2 /*--------------------------------------------------------------------*/ 3 /*--- System call wrappers, etc. pub_core_syswrap.h ---*/ 4 /*--------------------------------------------------------------------*/ 5 6 /* 7 This file is part of Valgrind, a dynamic binary instrumentation 8 framework. 9 10 Copyright (C) 2000-2012 Julian Seward 11 jseward (at) acm.org 12 13 This program is free software; you can redistribute it and/or 14 modify it under the terms of the GNU General Public License as 15 published by the Free Software Foundation; either version 2 of the 16 License, or (at your option) any later version. 17 18 This program is distributed in the hope that it will be useful, but 19 WITHOUT ANY WARRANTY; without even the implied warranty of 20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 21 General Public License for more details. 22 23 You should have received a copy of the GNU General Public License 24 along with this program; if not, write to the Free Software 25 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 26 02111-1307, USA. 27 28 The GNU General Public License is contained in the file COPYING. 29 */ 30 31 #ifndef __PUB_CORE_SYSWRAP_H 32 #define __PUB_CORE_SYSWRAP_H 33 34 //-------------------------------------------------------------------- 35 // PURPOSE: This module contains all the syscall junk: mostly PRE/POST 36 // wrappers, but also the main syscall jacketing code. 37 //-------------------------------------------------------------------- 38 39 // Allocates a stack for the first thread, then runs it, 40 // as if the thread had been set up by clone() 41 extern void VG_(main_thread_wrapper_NORETURN)(ThreadId tid); 42 43 extern void VG_(client_syscall) ( ThreadId tid, UInt trc ); 44 45 extern void VG_(post_syscall) ( ThreadId tid ); 46 47 /* Clear this module's private state for thread 'tid' */ 48 extern void VG_(clear_syscallInfo) ( Int tid ); 49 50 // Fix up a thread's state when syscall is interrupted by a signal. 51 extern void VG_(fixup_guest_state_after_syscall_interrupted)( 52 ThreadId tid, 53 Addr ip, 54 SysRes sysret, 55 Bool restart 56 ); 57 58 // Wait until all other threads are dead 59 extern void VG_(reap_threads)(ThreadId self); 60 61 // Release resources held by this thread 62 extern void VG_(cleanup_thread) ( ThreadArchState* ); 63 64 /* fd leakage calls. */ 65 extern void VG_(init_preopened_fds) ( void ); 66 extern void VG_(show_open_fds) ( void ); 67 68 // When the final thread is done, where shall I call to shutdown the 69 // system cleanly? Is set once at startup (in m_main) and never 70 // changes after that. Is basically a pointer to the exit 71 // continuation. This is all just a nasty hack to avoid calling 72 // directly from m_syswrap to m_main at exit, since that would cause 73 // m_main to become part of a module cycle, which is silly. 74 extern void (* VG_(address_of_m_main_shutdown_actions_NORETURN) ) 75 (ThreadId,VgSchedReturnCode); 76 77 #endif // __PUB_CORE_SYSWRAP_H 78 79 /*--------------------------------------------------------------------*/ 80 /*--- end ---*/ 81 /*--------------------------------------------------------------------*/ 82 83
