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Diffstat (limited to 'coregrind/pub_core_syscall.h')
| -rw-r--r-- | coregrind/pub_core_syscall.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/coregrind/pub_core_syscall.h b/coregrind/pub_core_syscall.h new file mode 100644 index 0000000..9954754 --- /dev/null +++ b/coregrind/pub_core_syscall.h @@ -0,0 +1,89 @@ + +/*--------------------------------------------------------------------*/ +/*--- Doing system calls. pub_core_syscall.h ---*/ +/*--------------------------------------------------------------------*/ + +/* + This file is part of Valgrind, a dynamic binary instrumentation + framework. + + Copyright (C) 2000-2009 Julian Seward + jseward@acm.org + + 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 2 of the + License, or (at your option) any later version. + + 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. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307, USA. + + The GNU General Public License is contained in the file COPYING. +*/ + +#ifndef __PUB_CORE_SYSCALL_H +#define __PUB_CORE_SYSCALL_H + +//-------------------------------------------------------------------- +// PURPOSE: This module contains the code for actually executing syscalls. +//-------------------------------------------------------------------- + +/* Do a syscall on this platform, with 6 args, and return the result + in canonical format in a SysRes value. */ + +// We use a full prototype for VG_(do_syscall) rather than "..." to ensure +// that all arguments get converted to a UWord appropriately. Not doing so +// can cause problems when passing 32-bit integers on 64-bit platforms, +// because the top 32-bits might not be zeroed appropriately, eg. as would +// happen with the 6th arg on AMD64 which is passed on the stack. + +extern SysRes VG_(do_syscall) ( UWord sysno, + UWord, UWord, UWord, + UWord, UWord, UWord, + UWord, UWord ); + +/* Macros make life easier. */ + +#define vgPlain_do_syscall0(s) VG_(do_syscall)((s),0,0,0,0,0,0,0,0) +#define vgPlain_do_syscall1(s,a) VG_(do_syscall)((s),(a),\ + 0,0,0,0,0,0,0) +#define vgPlain_do_syscall2(s,a,b) VG_(do_syscall)((s),(a),(b),\ + 0,0,0,0,0,0) +#define vgPlain_do_syscall3(s,a,b,c) VG_(do_syscall)((s),(a),(b),(c),\ + 0,0,0,0,0) +#define vgPlain_do_syscall4(s,a,b,c,d) VG_(do_syscall)((s),(a),(b),\ + (c),(d),0,0,0,0) +#define vgPlain_do_syscall5(s,a,b,c,d,e) VG_(do_syscall)((s),(a),(b),\ + (c),(d),(e),0,0,0) +#define vgPlain_do_syscall6(s,a,b,c,d,e,f) VG_(do_syscall)((s),(a),(b),(c),\ + (d),(e),(f),0,0) + +extern SysRes VG_(mk_SysRes_x86_linux) ( UInt val ); +extern SysRes VG_(mk_SysRes_amd64_linux) ( ULong val ); +extern SysRes VG_(mk_SysRes_ppc32_linux) ( UInt val, UInt cr0so ); +extern SysRes VG_(mk_SysRes_ppc64_linux) ( ULong val, ULong cr0so ); +extern SysRes VG_(mk_SysRes_ppc32_aix5) ( UInt val, UInt err ); +extern SysRes VG_(mk_SysRes_ppc64_aix5) ( ULong val, ULong err ); +extern SysRes VG_(mk_SysRes_Error) ( UWord val ); +extern SysRes VG_(mk_SysRes_Success) ( UWord val ); + + +/* Return a string which gives the name of an error value. Note, + unlike the standard C syserror fn, the returned string is not + malloc-allocated or writable -- treat it as a constant. */ + +extern const HChar* VG_(strerror) ( UWord errnum ); + + +#endif // __PUB_CORE_SYSCALL_H + +/*--------------------------------------------------------------------*/ +/*--- end ---*/ +/*--------------------------------------------------------------------*/ |