//========================================================================== // // null.cxx // // Null trace and assert functions // //========================================================================== //####COPYRIGHTBEGIN#### // // ------------------------------------------- // The contents of this file are subject to the Cygnus eCos Public License // Version 1.0 (the "License"); you may not use this file except in // compliance with the License. You may obtain a copy of the License at // http://sourceware.cygnus.com/ecos // // 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 Cygnus Operating System, released // September 30, 1998. // // The Initial Developer of the Original Code is Cygnus. Portions created // by Cygnus are Copyright (C) 1998,1999 Cygnus Solutions. 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( char *psz_func, 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, char *psz_func, char *psz_file, cyg_uint32 linenum, char *psz_msg ) {} externC void cyg_tracemsg2( cyg_uint32 what, char *psz_func, char *psz_file, cyg_uint32 linenum, char *psz_msg, CYG_ADDRWORD arg0, CYG_ADDRWORD arg1 ) {} externC void cyg_tracemsg4( cyg_uint32 what, char *psz_func, 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, char *psz_func, 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, char *psz_func, 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 ) {} #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 CYG_LABEL_NAME(stext); extern unsigned long CYG_LABEL_NAME(etext); unsigned long stext_addr = (unsigned long)&CYG_LABEL_NAME(stext); unsigned long etext_addr = (unsigned long)&CYG_LABEL_NAME(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
