2 /*--------------------------------------------------------------------*/
3 /*--- Doing system calls. pub_core_syscall.h ---*/
4 /*--------------------------------------------------------------------*/
7 This file is part of Valgrind, a dynamic binary instrumentation
10 Copyright (C) 2000-2010 Julian Seward
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.
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.
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
28 The GNU General Public License is contained in the file COPYING.
31 #ifndef __PUB_CORE_SYSCALL_H
32 #define __PUB_CORE_SYSCALL_H
35 #include "pub_core_libcsetjmp.h"
36 #include "pub_core_threadstate.h"
37 #include "coregrind/m_syswrap/priv_types_n_macros.h"
38 #include <l4re_helper.h>
41 //--------------------------------------------------------------------
42 // PURPOSE: This module contains the code for actually executing syscalls.
43 //--------------------------------------------------------------------
45 /* Do a syscall on this platform, with 8 args, and return the result
46 in canonical format in a SysRes value. */
48 // We use a full prototype for VG_(do_syscall) rather than "..." to ensure
49 // that all arguments get converted to a UWord appropriately. Not doing so
50 // can cause problems when passing 32-bit integers on 64-bit platforms,
51 // because the top 32-bits might not be zeroed appropriately, eg. as would
52 // happen with the 6th arg on AMD64 which is passed on the stack.
54 extern SysRes VG_(do_syscall) ( UWord sysno,
60 extern SysRes VG_(do_l4re_syscall) ( SyscallArgs *args, ThreadId tid);
63 /* Macros make life easier. */
65 #define vgPlain_do_syscall0(s) VG_(do_syscall)((s),0,0,0,0,0,0,0,0)
66 #define vgPlain_do_syscall1(s,a) VG_(do_syscall)((s),(a),\
68 #define vgPlain_do_syscall2(s,a,b) VG_(do_syscall)((s),(a),(b),\
70 #define vgPlain_do_syscall3(s,a,b,c) VG_(do_syscall)((s),(a),(b),(c),\
72 #define vgPlain_do_syscall4(s,a,b,c,d) VG_(do_syscall)((s),(a),(b),(c),\
74 #define vgPlain_do_syscall5(s,a,b,c,d,e) VG_(do_syscall)((s),(a),(b),(c),\
76 #define vgPlain_do_syscall6(s,a,b,c,d,e,f) VG_(do_syscall)((s),(a),(b),(c),\
78 #define vgPlain_do_syscall7(s,a,b,c,d,e,f,g) VG_(do_syscall)((s),(a),(b),(c),\
80 #define vgPlain_do_syscall8(s,a,b,c,d,e,f,g,h) VG_(do_syscall)((s),(a),(b),(c),\
83 extern SysRes VG_(mk_SysRes_x86_linux) ( Int val );
84 extern SysRes VG_(mk_SysRes_amd64_linux) ( Long val );
85 extern SysRes VG_(mk_SysRes_ppc32_linux) ( UInt val, UInt cr0so );
86 extern SysRes VG_(mk_SysRes_ppc64_linux) ( ULong val, ULong cr0so );
87 extern SysRes VG_(mk_SysRes_arm_linux) ( Int val );
88 extern SysRes VG_(mk_SysRes_ppc32_aix5) ( UInt val, UInt err );
89 extern SysRes VG_(mk_SysRes_ppc64_aix5) ( ULong val, ULong err );
90 extern SysRes VG_(mk_SysRes_x86_darwin) ( UChar scclass, Bool isErr,
92 extern SysRes VG_(mk_SysRes_amd64_darwin)( UChar scclass, Bool isErr,
93 ULong wHI, ULong wLO );
94 extern SysRes VG_(mk_SysRes_s390x_linux) ( Long val );
95 extern SysRes VG_(mk_SysRes_x86_l4re) ( UInt val );
96 extern SysRes VG_(mk_SysRes_Error) ( UWord val );
97 extern SysRes VG_(mk_SysRes_Success) ( UWord val );
101 /* Return a string which gives the name of an error value. Note,
102 unlike the standard C syserror fn, the returned string is not
103 malloc-allocated or writable -- treat it as a constant. */
105 extern const HChar* VG_(strerror) ( UWord errnum );
108 #endif // __PUB_CORE_SYSCALL_H
110 /*--------------------------------------------------------------------*/
112 /*--------------------------------------------------------------------*/