priv/main/vex_util.h

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/*---                                                         ---*/
/*--- This file (vex_util.h) is                               ---*/
/*--- Copyright (c) 2004 OpenWorks LLP.  All rights reserved. ---*/
/*---                                                         ---*/
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/*
   This file is part of LibVEX, a library for dynamic binary
   instrumentation and translation.

   Copyright (C) 2004 OpenWorks, LLP.

   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; Version 2 dated June 1991 of the
   license.

   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, or liability
   for damages.  See the GNU General Public License for more details.

   Neither the names of the U.S. Department of Energy nor the
   University of California nor the names of its contributors may be
   used to endorse or promote products derived from this software
   without prior written permission.

   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.
*/

#ifndef __VEX_UTIL_H
#define __VEX_UTIL_H

#include "libvex_basictypes.h"


/* Misc. */

#define NULL ((void*)0)


/* Stuff for panicking and assertion. */

#define VG__STRING(__str)  #__str

#define vassert(expr)                                           \
  ((void) ((expr) ? 0 :                                         \
           (vex_assert_fail (VG__STRING(expr),                  \
                             __FILE__, __LINE__,                \
                             __PRETTY_FUNCTION__), 0)))

__attribute__ ((__noreturn__))
extern void vex_assert_fail ( const HChar* expr, const HChar* file,
                              Int line, const HChar* fn );
__attribute__ ((__noreturn__))
extern void vpanic ( HChar* str );


/* Printing */

__attribute__ ((format (printf, 1, 2)))
extern UInt vex_printf ( const HChar *format, ... );

__attribute__ ((format (printf, 2, 3)))
extern UInt vex_sprintf ( HChar* buf, const HChar *format, ... );


/* String ops */

extern Bool vex_streq ( const HChar* s1, const HChar* s2 );


/* Storage management: clear the area, and allocate from it. */

/* By default allocation occurs in the temporary area.  However, it is
   possible to switch to permanent area allocation if that's what you
   want.  Permanent area allocation is very limited, tho. */

typedef
   enum {
      VexAllocModeTEMP, 
      VexAllocModePERM 
   }
   VexAllocMode;

extern void         vexSetAllocMode ( VexAllocMode );
extern VexAllocMode vexGetAllocMode ( void );

extern void vexClearTEMP ( void );


#endif /* ndef __VEX_UTIL_H */

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/*---                                              vex_util.h ---*/
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