Leaked source code of windows server 2003
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/* asmdebug.h -- include file for microsoft 80x86 assembler
**
** microsoft (r) macro assembler
** copyright (c) microsoft corp 1986. all rights reserved
**
** randy nevin
*/
/*** Output debugging information
* Ross Garmoe
* Copyright Microsoft Corporation, 1983
* September 27, 9 1983
*
* This package was developed using concepts originally developed by
* Mark Zibokowski for the C version of the z editor.
*
* The following set of macros output debugging information to the
* debugging file 'd_df'. Output of debugging information is controlled
* by compile time conditionals and flags set by execution time switches.
* If the symbol DEBUG is defined at compile time, the macros are
* compiled to generate debugging information. If DEBUG is not defined,
* then the macros are not compiled. At execution time, the value of
* the variable 'd_debug' is compared with the value of the defined symbol
* DEBFLAG and if any bits match, debugging information is written.
* If debugging information is to be written, the information level
* specified in the macro is checked against the level specified at run
* time and information is written only if the compile level is less than
* the level specified at run time.
*
* The macros are used as follows:
*
* Define the global variables 'd_debug', 'd_dlevel', 'd_indent' and 'd_sindent'
* as integers and 'd_df' as a pointer to FILE. In the argument processing
* routine set the value of 'd_debug' and 'd_dlevel' and open the trace output
* file and point to it with the variable 'd_df'. 'd_debug' , 'd_dlevel' and
* 'd_indent' must be intialized to zero.
*
* In any file of the program which is to produce debugging output,
* include this file 'debug.h' and define the selection symbol DEBFLAG.
*
* #include debug.h
* #define DEBFLAG value
*
* Then for any function which is to produce debug output include the
* following sets of macro calls.
*
* At fuction entry:
*
* INDEBUG;
* DEBOUT (level, ( fprintf argument string ));
*
* At all function exits:
*
* DEBOUT (level, ( fprintf argument string ));
* OUTDEBUG;
*
* At other points of interest:
*
* DEBOUT (level, ( fprintf argument string ));
*
* Note: For the entry and exit points, the DEBOUT ((...)); string
* is optional. The INDEBUG and OUTDEBUG macros control the
* indentation of the debug output to show the nesting levels of
* function calls
* Note: The fprintf argument string is of the form:
* d_df, "format", arg1, arg2,..., argn
*/
#ifdef DEBUG
# define INDEBUG if(d_debug&DEBFLAG)d_indent++
# define DEBOUT(l,z) if(d_debug&DEBFLAG&&l<=d_dlevel)\
{for(d_sindent=d_indent;d_sindent;d_sindent--)fprintf(d_df," ");\
fprintf z ;}else
# define OUTDEBUG if(d_debug&DEBFLAG)d_indent--
extern long d_debug, d_dlevel, d_indent; /* debugging flags */
extern long d_sindent; /* indentation printing temporary */
extern FILE *d_df; /* pointer to debug output file */
#else
# define INDEBUG
# define DEBOUT(l,z)
# define OUTDEBUG
#endif