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git://sourceware.org/git/valgrind.git
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3392155359
- Update COPYING and VEX/LICENSE.GPL to version 3. - Update README, NEWS, docs/manual license and contributing text. - Update file headers to say either version 3 of the License, or (at your option) any later version. - Leave tests and perf file headers as is, unless the code is derived from Valgrind/VEX. - Leave valgrind.h, cachegrind.h, callgrind.h, drd.h, helgrind.h, memcheck.h and dhat.h Hybrid-BSD licensed.
120 lines
4.4 KiB
C
120 lines
4.4 KiB
C
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/*--------------------------------------------------------------------*/
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/*--- System call wrappers, etc. pub_core_syswrap.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) 2000-2017 Julian Seward
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jseward@acm.org
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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 3 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, see <http://www.gnu.org/licenses/>.
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The GNU General Public License is contained in the file COPYING.
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*/
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#ifndef __PUB_CORE_SYSWRAP_H
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#define __PUB_CORE_SYSWRAP_H
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#include "pub_core_basics.h" // VG_ macro
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#include "pub_core_threadstate.h" // ThreadArchState
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#include "pub_core_tooliface.h" // CorePart
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//--------------------------------------------------------------------
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// PURPOSE: This module contains all the syscall junk: mostly PRE/POST
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// wrappers, but also the main syscall jacketing code.
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//--------------------------------------------------------------------
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// Allocates a stack for the first thread, then runs it,
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// as if the thread had been set up by clone()
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extern void VG_(main_thread_wrapper_NORETURN)(ThreadId tid);
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extern void VG_(client_syscall) ( ThreadId tid, UInt trc );
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extern void VG_(post_syscall) ( ThreadId tid );
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/* Clear this module's private state for thread 'tid' */
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extern void VG_(clear_syscallInfo) ( ThreadId tid );
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// Returns True if the given thread is currently in a system call
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extern Bool VG_(is_in_syscall) ( ThreadId tid );
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extern Bool VG_(is_in_kernel_restart_syscall) ( ThreadId tid );
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// If VG_(is_in_syscall) (tid), returns the sysno the given thread is in
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extern Word VG_(is_in_syscall_no) (ThreadId tid );
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// Fix up a thread's state when syscall is interrupted by a signal.
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extern void VG_(fixup_guest_state_after_syscall_interrupted)(
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ThreadId tid,
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Addr ip,
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SysRes sysret,
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Bool restart,
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struct vki_ucontext *uc
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);
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#if defined(VGO_solaris)
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// Determine if in a blocking syscall.
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extern Bool VG_(is_ip_in_blocking_syscall)(ThreadId tid, Addr ip);
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#endif
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// Wait until all other threads are dead
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extern void VG_(reap_threads)(ThreadId self);
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// Release resources held by this thread
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extern void VG_(cleanup_thread) ( ThreadArchState* );
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/* fd leakage calls. */
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extern void VG_(init_preopened_fds) ( void );
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extern void VG_(show_open_fds) ( const HChar* when );
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// When the final thread is done, where shall I call to shutdown the
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// system cleanly? Is set once at startup (in m_main) and never
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// changes after that. Is basically a pointer to the exit
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// continuation. This is all just a nasty hack to avoid calling
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// directly from m_syswrap to m_main at exit, since that would cause
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// m_main to become part of a module cycle, which is silly.
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extern void (* VG_(address_of_m_main_shutdown_actions_NORETURN) )
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(ThreadId,VgSchedReturnCode);
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#if defined(VGO_solaris)
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extern void VG_(save_context)(ThreadId tid, vki_ucontext_t *uc,
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CorePart part);
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extern void VG_(restore_context)(ThreadId tid, vki_ucontext_t *uc,
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CorePart part, Bool esp_is_thrptr);
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extern void VG_(syswrap_init)(void);
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extern void VG_(change_mapping_ownership)(Addr addr, Bool once_only);
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extern Bool VG_(setup_client_dataseg)(void);
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extern void VG_(track_client_dataseg)(ThreadId tid);
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#endif
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#if defined(VGO_freebsd)
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extern Bool VG_(get_capability_mode)(void);
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#endif
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// For the core errors
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extern Bool fd_eq_Error (VgRes, const Error*, const Error*);
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extern void fd_before_pp_Error (const Error*);
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extern void fd_pp_Error (const Error*);
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extern UInt fd_update_extra (const Error*);
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#endif // __PUB_CORE_SYSWRAP_H
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/*--------------------------------------------------------------------*/
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/*--- end ---*/
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/*--------------------------------------------------------------------*/
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