/*--------------------------------------------------------------------*/
/*--- Doing system calls. pub_core_syscall.h ---*/
/*--------------------------------------------------------------------*/
/*
This file is part of Valgrind, a dynamic binary instrumentation
framework.
Copyright (C) 2000-2015 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
#include "pub_core_basics.h" // VG_ macro
//--------------------------------------------------------------------
// PURPOSE: This module contains the code for actually executing syscalls.
//--------------------------------------------------------------------
/* Do a syscall on this platform, with 8 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)
#define vgPlain_do_syscall7(s,a,b,c,d,e,f,g) VG_(do_syscall)((s),(a),(b),(c),\
(d),(e),(f),(g),0)
#define vgPlain_do_syscall8(s,a,b,c,d,e,f,g,h) VG_(do_syscall)((s),(a),(b),(c),\
(d),(e),(f),(g),(h))
extern SysRes VG_(mk_SysRes_x86_linux) ( Int val );
extern SysRes VG_(mk_SysRes_amd64_linux) ( Long 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_arm_linux) ( Int val );
extern SysRes VG_(mk_SysRes_arm64_linux) ( Long val );
extern SysRes VG_(mk_SysRes_x86_darwin) ( UChar scclass, Bool isErr,
UInt wHI, UInt wLO );
extern SysRes VG_(mk_SysRes_amd64_darwin)( UChar scclass, Bool isErr,
ULong wHI, ULong wLO );
extern SysRes VG_(mk_SysRes_s390x_linux) ( Long val );
extern SysRes VG_(mk_SysRes_mips32_linux)( UWord v0, UWord v1,
UWord a3 );
extern SysRes VG_(mk_SysRes_mips64_linux)( ULong v0, ULong v1,
ULong a3 );
extern SysRes VG_(mk_SysRes_tilegx_linux)( Long val );
extern SysRes VG_(mk_SysRes_x86_solaris) ( Bool isErr, UInt val, UInt val2 );
extern SysRes VG_(mk_SysRes_amd64_solaris) ( Bool isErr, ULong val, ULong val2 );
extern SysRes VG_(mk_SysRes_Error) ( UWord val );
extern SysRes VG_(mk_SysRes_Success) ( UWord val );
#if defined(VGP_mips32_linux) || defined(VGP_mips64_linux)
/* On Linux/MIPS, VG_(mk_SysRes_Success) sets the second result word
to zero. Here is a version that allows setting both values. */
extern SysRes VG_(mk_SysRes_SuccessEx) ( UWord val, UWord valEx );
#endif
/* 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 ---*/
/*--------------------------------------------------------------------*/