Initial import of fatgrind.HEADmaster

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                                                          ---*/
+/*--------------------------------------------------------------------*/