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Diffstat (limited to 'gcc-4.9/libcilkrts/runtime/bug.h')
| -rw-r--r-- | gcc-4.9/libcilkrts/runtime/bug.h | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/gcc-4.9/libcilkrts/runtime/bug.h b/gcc-4.9/libcilkrts/runtime/bug.h new file mode 100644 index 000000000..bb1891378 --- /dev/null +++ b/gcc-4.9/libcilkrts/runtime/bug.h @@ -0,0 +1,141 @@ +/* bug.h -*-C++-*- + * + ************************************************************************* + * + * @copyright + * Copyright (C) 2009-2013, Intel Corporation + * All rights reserved. + * + * @copyright + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * @copyright + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY + * WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + **************************************************************************/ + +/** + * @file bug.h + * + * @brief Support for reporting bugs and debugging. + */ + +#ifndef INCLUDED_BUG_DOT_H +#define INCLUDED_BUG_DOT_H + +#include "rts-common.h" +#include <cilk/common.h> + +__CILKRTS_BEGIN_EXTERN_C + +/** + * Flush all output, write error message to stderr and abort the execution. + * On Windows the error is also written to the debugger. + * + * @param fmt printf-style format string. Any remaining parameters will be + * be interpreted based on the format string text. + */ +COMMON_PORTABLE NORETURN __cilkrts_bug(const char *fmt,...) cilk_nothrow; + +#ifndef CILK_ASSERT + +/** Standard text for failed assertion */ +COMMON_PORTABLE extern const char *const __cilkrts_assertion_failed; + +/** + * Macro to assert an invariant that must be true. If the statement evalutes + * to false, __cilkrts_bug will be called to report the failure and terminate + * the application. + */ +#define CILK_ASSERT(ex) \ + (__builtin_expect((ex) != 0, 1) ? (void)0 : \ + __cilkrts_bug(__cilkrts_assertion_failed, __FILE__, __LINE__, #ex)) + +#define CILK_ASSERT_MSG(ex, msg) \ + (__builtin_expect((ex) != 0, 1) ? (void)0 : \ + __cilkrts_bug(__cilkrts_assertion_failed, __FILE__, __LINE__, \ + #ex "\n " msg)) +#endif // CILK_ASSERT + +/** + * Assert that there is no uncaught exception. + * + * Not valid on Windows or Android. + * + * On Android, calling std::uncaught_exception with the stlport library causes + * a seg fault. Since we're not supporting exceptions there at this point, + * just don't do the check. It works with the GNU STL library, but that's + * GPL V3 licensed. + */ +COMMON_PORTABLE void cilkbug_assert_no_uncaught_exception(void); +#if defined(_WIN32) || defined(ANDROID) +# define CILKBUG_ASSERT_NO_UNCAUGHT_EXCEPTION() +#else +# define CILKBUG_ASSERT_NO_UNCAUGHT_EXCEPTION() \ + cilkbug_assert_no_uncaught_exception() +#endif + + +/** + * Call __cilkrts_bug with a standard message that the runtime state is + * corrupted and the application is being terminated. + */ +COMMON_SYSDEP void abort_because_rts_is_corrupted(void); + +// Debugging aids +#ifndef _DEBUG +# define DBGPRINTF(_fmt, ...) +#elif defined(_WIN32) + +/** + * Write debugging output. On windows this is written to the debugger. + * + * @param fmt printf-style format string. Any remaining parameters will be + * be interpreted based on the format string text. + */ +COMMON_SYSDEP void __cilkrts_dbgprintf(const char *fmt,...) cilk_nothrow; + +/** + * Macro to write debugging output which will be elided if this is not a + * debug build. The macro is currently always elided on non-Windows builds. + * + * @param _fmt printf-style format string. Any remaining parameters will be + * be interpreted based on the format string text. + */ +# define DBGPRINTF(_fmt, ...) __cilkrts_dbgprintf(_fmt, __VA_ARGS__) + +#else /* if _DEBUG && !_WIN32 */ + /* Non-Windows debug logging. Someday we should make GetCurrentFiber() + * and GetWorkerFiber() do something. + */ +# include <stdio.h> + __CILKRTS_INLINE void* GetCurrentFiber() { return 0; } + __CILKRTS_INLINE void* GetWorkerFiber(__cilkrts_worker* w) { return 0; } +# define DBGPRINTF(_fmt, ...) fprintf(stderr, _fmt, __VA_ARGS__) +#endif // _DEBUG + +__CILKRTS_END_EXTERN_C + +#endif // ! defined(INCLUDED_BUG_DOT_H) |