//==========================================================================
//
// null.cxx
//
// Null trace and assert functions
//
//==========================================================================
//####COPYRIGHTBEGIN####
//
// -------------------------------------------
// The contents of this file are subject to the Red Hat eCos Public License
// Version 1.1 (the "License"); you may not use this file except in
// compliance with the License. You may obtain a copy of the License at
// http://www.redhat.com/
//
// Software distributed under the License is distributed on an "AS IS"
// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
// License for the specific language governing rights and limitations under
// the License.
//
// The Original Code is eCos - Embedded Configurable Operating System,
// released September 30, 1998.
//
// The Initial Developer of the Original Code is Red Hat.
// Portions created by Red Hat are
// Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
// All Rights Reserved.
// -------------------------------------------
//
//####COPYRIGHTEND####
//==========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s): nickg
// Contributors: nickg
// Date: 1997-09-15
// Purpose: Trace and assert functions
// Description: The functions in this file are null implementations of the
// standard trace and assert functions. These can be used to
// eliminate all trace and assert messages without recompiling.
//
//####DESCRIPTIONEND####
//
//==========================================================================
#include
#ifndef CYGDBG_USE_ASSERTS
// then you get an empty function regardless, so that other code can link:
// (for example libc assert() calls this whether or not eCos code has
// asserts enabled - of course if it does, assert() maps to the chosen
// implementation; if not, it's the same inner function to breakpoint.)
#include // base types
#include // tracing macros
#include // assertion macros
externC void
cyg_assert_fail( const char *psz_func, const char *psz_file,
cyg_uint32 linenum, const char *psz_msg )
{
for(;;);
};
#endif // not CYGDBG_USE_ASSERTS
#ifdef CYGDBG_INFRA_DEBUG_TRACE_ASSERT_NULL
#include // base types
#include // tracing macros
#include // assertion macros
// -------------------------------------------------------------------------
// Trace functions:
#ifdef CYGDBG_USE_TRACING
externC void
cyg_tracenomsg( const char *psz_func, const char *psz_file, cyg_uint32 linenum )
{}
// provide every other one of these as a space/caller bloat compromise.
externC void
cyg_tracemsg( cyg_uint32 what,
const char *psz_func, const char *psz_file, cyg_uint32 linenum,
char *psz_msg )
{}
externC void
cyg_tracemsg2( cyg_uint32 what,
const char *psz_func, const char *psz_file, cyg_uint32 linenum,
char *psz_msg,
CYG_ADDRWORD arg0, CYG_ADDRWORD arg1 )
{}
externC void
cyg_tracemsg4( cyg_uint32 what,
const char *psz_func, const char *psz_file, cyg_uint32 linenum,
char *psz_msg,
CYG_ADDRWORD arg0, CYG_ADDRWORD arg1,
CYG_ADDRWORD arg2, CYG_ADDRWORD arg3 )
{}
externC void
cyg_tracemsg6( cyg_uint32 what,
const char *psz_func, const char *psz_file, cyg_uint32 linenum,
char *psz_msg,
CYG_ADDRWORD arg0, CYG_ADDRWORD arg1,
CYG_ADDRWORD arg2, CYG_ADDRWORD arg3,
CYG_ADDRWORD arg4, CYG_ADDRWORD arg5 )
{}
externC void
cyg_tracemsg8( cyg_uint32 what,
const char *psz_func, const char *psz_file, cyg_uint32 linenum,
char *psz_msg,
CYG_ADDRWORD arg0, CYG_ADDRWORD arg1,
CYG_ADDRWORD arg2, CYG_ADDRWORD arg3,
CYG_ADDRWORD arg4, CYG_ADDRWORD arg5,
CYG_ADDRWORD arg6, CYG_ADDRWORD arg7 )
{}
// -------------------------------------------------------------------------
externC void
cyg_trace_dump(void)
{}
#endif // CYGDBG_USE_TRACING
// -------------------------------------------------------------------------
// Assert functions:
#ifdef CYGDBG_USE_ASSERTS
externC void
cyg_assert_fail( const char *psz_func, const char *psz_file,
cyg_uint32 linenum, const char *psz_msg )
{
for(;;);
};
extern "C"
{
extern unsigned long _stext;
extern unsigned long _etext;
unsigned long stext_addr = (unsigned long)&_stext;
unsigned long etext_addr = (unsigned long)&_etext;
};
externC cyg_bool cyg_check_data_ptr(void *ptr)
{
unsigned long p = (unsigned long)ptr;
if( p == 0 ) return false;
if( p > stext_addr && p < etext_addr ) return false;
return true;
}
externC cyg_bool cyg_check_func_ptr(void (*ptr)(void))
{
unsigned long p = (unsigned long)ptr;
if( p == 0 ) return false;
if( p < stext_addr && p > etext_addr ) return false;
return true;
}
#endif // CYGDBG_USE_ASSERTS
#endif // CYGDBG_INFRA_DEBUG_TRACE_ASSERT_NULL
// -------------------------------------------------------------------------
// EOF null.cxx
