1 2 /*--------------------------------------------------------------------*/ 3 /*--- Doing system calls. pub_core_syscall.h ---*/ 4 /*--------------------------------------------------------------------*/ 5 6 /* 7 This file is part of Valgrind, a dynamic binary instrumentation 8 framework. 9 10 Copyright (C) 2000-2010 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_SYSCALL_H 32 #define __PUB_CORE_SYSCALL_H 33 34 //-------------------------------------------------------------------- 35 // PURPOSE: This module contains the code for actually executing syscalls. 36 //-------------------------------------------------------------------- 37 38 /* Do a syscall on this platform, with 8 args, and return the result 39 in canonical format in a SysRes value. */ 40 41 // We use a full prototype for VG_(do_syscall) rather than "..." to ensure 42 // that all arguments get converted to a UWord appropriately. Not doing so 43 // can cause problems when passing 32-bit integers on 64-bit platforms, 44 // because the top 32-bits might not be zeroed appropriately, eg. as would 45 // happen with the 6th arg on AMD64 which is passed on the stack. 46 47 extern SysRes VG_(do_syscall) ( UWord sysno, 48 UWord, UWord, UWord, 49 UWord, UWord, UWord, 50 UWord, UWord ); 51 52 /* Macros make life easier. */ 53 54 #define vgPlain_do_syscall0(s) VG_(do_syscall)((s),0,0,0,0,0,0,0,0) 55 #define vgPlain_do_syscall1(s,a) VG_(do_syscall)((s),(a),\ 56 0,0,0,0,0,0,0) 57 #define vgPlain_do_syscall2(s,a,b) VG_(do_syscall)((s),(a),(b),\ 58 0,0,0,0,0,0) 59 #define vgPlain_do_syscall3(s,a,b,c) VG_(do_syscall)((s),(a),(b),(c),\ 60 0,0,0,0,0) 61 #define vgPlain_do_syscall4(s,a,b,c,d) VG_(do_syscall)((s),(a),(b),(c),\ 62 (d),0,0,0,0) 63 #define vgPlain_do_syscall5(s,a,b,c,d,e) VG_(do_syscall)((s),(a),(b),(c),\ 64 (d),(e),0,0,0) 65 #define vgPlain_do_syscall6(s,a,b,c,d,e,f) VG_(do_syscall)((s),(a),(b),(c),\ 66 (d),(e),(f),0,0) 67 #define vgPlain_do_syscall7(s,a,b,c,d,e,f,g) VG_(do_syscall)((s),(a),(b),(c),\ 68 (d),(e),(f),(g),0) 69 #define vgPlain_do_syscall8(s,a,b,c,d,e,f,g,h) VG_(do_syscall)((s),(a),(b),(c),\ 70 (d),(e),(f),(g),(h)) 71 72 extern SysRes VG_(mk_SysRes_x86_linux) ( Int val ); 73 extern SysRes VG_(mk_SysRes_amd64_linux) ( Long val ); 74 extern SysRes VG_(mk_SysRes_ppc32_linux) ( UInt val, UInt cr0so ); 75 extern SysRes VG_(mk_SysRes_ppc64_linux) ( ULong val, ULong cr0so ); 76 extern SysRes VG_(mk_SysRes_arm_linux) ( Int val ); 77 extern SysRes VG_(mk_SysRes_ppc32_aix5) ( UInt val, UInt err ); 78 extern SysRes VG_(mk_SysRes_ppc64_aix5) ( ULong val, ULong err ); 79 extern SysRes VG_(mk_SysRes_x86_darwin) ( UChar scclass, Bool isErr, 80 UInt wHI, UInt wLO ); 81 extern SysRes VG_(mk_SysRes_amd64_darwin)( UChar scclass, Bool isErr, 82 ULong wHI, ULong wLO ); 83 extern SysRes VG_(mk_SysRes_Error) ( UWord val ); 84 extern SysRes VG_(mk_SysRes_Success) ( UWord val ); 85 86 87 88 /* Return a string which gives the name of an error value. Note, 89 unlike the standard C syserror fn, the returned string is not 90 malloc-allocated or writable -- treat it as a constant. */ 91 92 extern const HChar* VG_(strerror) ( UWord errnum ); 93 94 95 #endif // __PUB_CORE_SYSCALL_H 96 97 /*--------------------------------------------------------------------*/ 98 /*--- end ---*/ 99 /*--------------------------------------------------------------------*/ 100