blob: 1e3c17b506f32e9c86dede8e513ec914840916de [file] [log] [blame]
/******************************************************************************
*
* Copyright (C) 2009 - 2016 Xilinx, Inc. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* Use of the Software is limited solely to applications:
* (a) running on a Xilinx device, or
* (b) that interact with a Xilinx device through a bus or interconnect.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* XILINX BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* Except as contained in this notice, the name of the Xilinx shall not be used
* in advertising or otherwise to promote the sale, use or other dealings in
* this Software without prior written authorization from Xilinx.
*
******************************************************************************/
/*****************************************************************************/
/**
*
* @file xil_assert.h
*
* This file contains assert related functions.
*
* <pre>
* MODIFICATION HISTORY:
*
* Ver Who Date Changes
* ----- ---- -------- -------------------------------------------------------
* 1.00a hbm 07/14/09 First release
* 6.0 kvn 05/31/16 Make Xil_AsserWait a global variable
* </pre>
*
******************************************************************************/
#ifndef XIL_ASSERT_H /* prevent circular inclusions */
#define XIL_ASSERT_H /* by using protection macros */
#include "xil_types.h"
#ifdef __cplusplus
extern "C" {
#endif
/***************************** Include Files *********************************/
/************************** Constant Definitions *****************************/
#define XIL_ASSERT_NONE 0U
#define XIL_ASSERT_OCCURRED 1U
#define XNULL NULL
extern u32 Xil_AssertStatus;
extern s32 Xil_AssertWait;
extern void Xil_Assert(const char8 *File, s32 Line);
void XNullHandler(void *NullParameter);
/**
* This data type defines a callback to be invoked when an
* assert occurs. The callback is invoked only when asserts are enabled
*/
typedef void (*Xil_AssertCallback) (const char8 *File, s32 Line);
/***************** Macros (Inline Functions) Definitions *********************/
#ifndef NDEBUG
/*****************************************************************************/
/**
* This assert macro is to be used for functions that do not return anything
* (void). This in conjunction with the Xil_AssertWait boolean can be used to
* accomodate tests so that asserts which fail allow execution to continue.
*
* @param Expression is the expression to evaluate. If it evaluates to
* false, the assert occurs.
*
* @return Returns void unless the Xil_AssertWait variable is true, in which
* case no return is made and an infinite loop is entered.
*
* @note None.
*
******************************************************************************/
#define Xil_AssertVoid(Expression) \
{ \
if (Expression) { \
Xil_AssertStatus = XIL_ASSERT_NONE; \
} else { \
Xil_Assert(__FILE__, __LINE__); \
Xil_AssertStatus = XIL_ASSERT_OCCURRED; \
return; \
} \
}
/*****************************************************************************/
/**
* This assert macro is to be used for functions that do return a value. This in
* conjunction with the Xil_AssertWait boolean can be used to accomodate tests
* so that asserts which fail allow execution to continue.
*
* @param Expression is the expression to evaluate. If it evaluates to false,
* the assert occurs.
*
* @return Returns 0 unless the Xil_AssertWait variable is true, in which
* case no return is made and an infinite loop is entered.
*
* @note None.
*
******************************************************************************/
#define Xil_AssertNonvoid(Expression) \
{ \
if (Expression) { \
Xil_AssertStatus = XIL_ASSERT_NONE; \
} else { \
Xil_Assert(__FILE__, __LINE__); \
Xil_AssertStatus = XIL_ASSERT_OCCURRED; \
return 0; \
} \
}
/*****************************************************************************/
/**
* Always assert. This assert macro is to be used for functions that do not
* return anything (void). Use for instances where an assert should always
* occur.
*
* @return Returns void unless the Xil_AssertWait variable is true, in which
* case no return is made and an infinite loop is entered.
*
* @note None.
*
******************************************************************************/
#define Xil_AssertVoidAlways() \
{ \
Xil_Assert(__FILE__, __LINE__); \
Xil_AssertStatus = XIL_ASSERT_OCCURRED; \
return; \
}
/*****************************************************************************/
/**
* Always assert. This assert macro is to be used for functions that do return
* a value. Use for instances where an assert should always occur.
*
* @return Returns void unless the Xil_AssertWait variable is true, in which
* case no return is made and an infinite loop is entered.
*
* @note None.
*
******************************************************************************/
#define Xil_AssertNonvoidAlways() \
{ \
Xil_Assert(__FILE__, __LINE__); \
Xil_AssertStatus = XIL_ASSERT_OCCURRED; \
return 0; \
}
#else
#define Xil_AssertVoid(Expression)
#define Xil_AssertVoidAlways()
#define Xil_AssertNonvoid(Expression)
#define Xil_AssertNonvoidAlways()
#endif
/************************** Function Prototypes ******************************/
void Xil_AssertSetCallback(Xil_AssertCallback Routine);
#ifdef __cplusplus
}
#endif
#endif /* end of protection macro */