| |
| /*--------------------------------------------------------------------*/ |
| /*--- 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 ---*/ |
| /*--------------------------------------------------------------------*/ |