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) 2000-2013 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 #include "pub_core_basics.h" // VG_ macro 35 #include "pub_core_threadstate.h" // ThreadArchState 36 37 //-------------------------------------------------------------------- 38 // PURPOSE: This module contains all the syscall junk: mostly PRE/POST 39 // wrappers, but also the main syscall jacketing code. 40 //-------------------------------------------------------------------- 41 42 // Allocates a stack for the first thread, then runs it, 43 // as if the thread had been set up by clone() 44 extern void VG_(main_thread_wrapper_NORETURN)(ThreadId tid); 45 46 extern void VG_(client_syscall) ( ThreadId tid, UInt trc ); 47 48 extern void VG_(post_syscall) ( ThreadId tid ); 49 50 /* Clear this module's private state for thread 'tid' */ 51 extern void VG_(clear_syscallInfo) ( Int tid ); 52 53 // Fix up a thread's state when syscall is interrupted by a signal. 54 extern void VG_(fixup_guest_state_after_syscall_interrupted)( 55 ThreadId tid, 56 Addr ip, 57 SysRes sysret, 58 Bool restart 59 ); 60 61 // Wait until all other threads are dead 62 extern void VG_(reap_threads)(ThreadId self); 63 64 // Release resources held by this thread 65 extern void VG_(cleanup_thread) ( ThreadArchState* ); 66 67 /* fd leakage calls. */ 68 extern void VG_(init_preopened_fds) ( void ); 69 extern void VG_(show_open_fds) ( const HChar* when ); 70 71 // When the final thread is done, where shall I call to shutdown the 72 // system cleanly? Is set once at startup (in m_main) and never 73 // changes after that. Is basically a pointer to the exit 74 // continuation. This is all just a nasty hack to avoid calling 75 // directly from m_syswrap to m_main at exit, since that would cause 76 // m_main to become part of a module cycle, which is silly. 77 extern void (* VG_(address_of_m_main_shutdown_actions_NORETURN) ) 78 (ThreadId,VgSchedReturnCode); 79 80 #endif // __PUB_CORE_SYSWRAP_H 81 82 /*--------------------------------------------------------------------*/ 83 /*--- end ---*/ 84 /*--------------------------------------------------------------------*/ 85 86
