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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/trace/assert.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* COPYRIGHT International Business Machines Corp. 2011,2014 */
/* */
/* Licensed under the Apache License, Version 2.0 (the "License"); */
/* you may not use this file except in compliance with the License. */
/* You may obtain a copy of the License at */
/* */
/* http://www.apache.org/licenses/LICENSE-2.0 */
/* */
/* Unless required by applicable law or agreed to in writing, software */
/* distributed under the License is distributed on an "AS IS" BASIS, */
/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */
/* implied. See the License for the specific language governing */
/* permissions and limitations under the License. */
/* */
/* IBM_PROLOG_END_TAG */
/** @file assert.C
* Hooks for dealing with trace in assert statements.
*
* This hook function is registered with the system-library assert functions
* when the trace library loads, so that if an application asserts after that
* point in time a message will get added to a common ASSERT trace buffer.
*/
#include <assert.h>
#include <trace/interface.H>
#include <limits.h>
namespace TRACE
{
/** Unique trace buffer for assert statements. */
trace_desc_t* g_assertTraceBuffer;
TRAC_INIT(&g_assertTraceBuffer, "ASSERT", KILOBYTE, TRACE::BUFFER_SLOW);
/** @fn assertTrace
* @brief Hook to perform a trace on an assert failure.
*
* @param[in] i_linkRegister - Address from which 'assert' was called.
* @param[in] i_lineNumber - Line number in the file which 'assert'ed.
*/
void assertTrace(void* i_linkRegister, size_t i_lineNumber)
{
TRACFCOMP(g_assertTraceBuffer,
"Assertion failed @%p on line %d.",
i_linkRegister, i_lineNumber);
}
/** Location to assign the assertTrace hook for __assert function to use. */
extern void(*traceCallback)(void*, size_t);
/** @class __init_trace_callback
* @brief Class which registers the assertTrace function statically.
*/
class __init_trace_callback
{
public:
__init_trace_callback() { traceCallback = &assertTrace; };
};
__init_trace_callback __init_trace_callback_instance;
};
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