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83 lines
2.0 KiB
C
83 lines
2.0 KiB
C
/* $Id$ */
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/*
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* Copyright (C) 1998-2002 RSA Security Inc. All rights reserved.
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*
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* This work contains proprietary information of RSA Security.
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* Distribution is limited to authorized licensees of RSA
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* Security. Any unauthorized reproduction, distribution or
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* modification of this work is strictly prohibited.
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*
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*/
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/*
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* ***************************************************************************
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*
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* Purpose:
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*
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* This file defines an API for performing stack diagnostics.
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*
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* It provides:
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* Peek Stack Usage statistics
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* To use it:
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* 1. Build the library without "NO_R_DIAG" defined
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* 2. Make a call to R_DIAG_set_stack_datum() prior to
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* calling the first library function.
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* 3. Add calls to the macro R_DIAG_CHECK_STACK where potential
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* high stack usage points are.
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* 4. Call R_DIAG_get_stack_low_water_mark() at then end of the
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* library calls to return the maximum stack usage OR
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* 5. Call R_DIAG_print_stack_depth() to display the peek stack
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* usage
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*
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*
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*
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* History:
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* 3-Aug-00 mjs development
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*
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* **************************************************************************
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*/
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#ifndef HEADER_COMMON_R_STDIAG_H
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#define HEADER_COMMON_R_STDIAG_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef NO_R_DIAG
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#ifdef NOPROTO
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int R_DIAG_set_stack_datum(char *ptr);
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int R_DIAG_check_stack(char *ptr, char *file, int line, int hit);
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int R_DIAG_get_stack_low_water_mark(int *depth, char **file, int *line,
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int *hit);
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int R_DIAG_print_stack_depth(BIO *bio);
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#else
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int R_DIAG_set_stack_datum();
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int R_DIAG_check_stack();
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int R_DIAG_get_stack_low_water_mark();
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int R_DIAG_print_stack_depth();
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#endif
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#define R_DIAG_CHECK_STACK {\
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char r_diag_stack_check_var = 0;\
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static int r_diag_stack_check_cnt = 0;\
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\
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R_DIAG_check_stack(&r_diag_stack_check_var, __FILE__,\
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__LINE__,++r_diag_stack_check_cnt);\
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}
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#else
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#define R_DIAG_CHECK_STACK
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* HEADER_COMMON_R_STDIAG_H */
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