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-rw-r--r--openmp/runtime/src/kmp_debug.cpp142
1 files changed, 142 insertions, 0 deletions
diff --git a/openmp/runtime/src/kmp_debug.cpp b/openmp/runtime/src/kmp_debug.cpp
new file mode 100644
index 00000000000..3bbffa53f21
--- /dev/null
+++ b/openmp/runtime/src/kmp_debug.cpp
@@ -0,0 +1,142 @@
+/*
+ * kmp_debug.c -- debug utilities for the Guide library
+ */
+
+
+//===----------------------------------------------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.txt for details.
+//
+//===----------------------------------------------------------------------===//
+
+
+#include "kmp.h"
+#include "kmp_debug.h" /* really necessary? */
+#include "kmp_i18n.h"
+#include "kmp_io.h"
+
+#ifdef KMP_DEBUG
+void
+__kmp_debug_printf_stdout( char const * format, ... )
+{
+ va_list ap;
+ va_start( ap, format );
+
+ __kmp_vprintf( kmp_out, format, ap );
+
+ va_end(ap);
+}
+#endif
+
+void
+__kmp_debug_printf( char const * format, ... )
+{
+ va_list ap;
+ va_start( ap, format );
+
+ __kmp_vprintf( kmp_err, format, ap );
+
+ va_end( ap );
+}
+
+#ifdef KMP_USE_ASSERT
+ int
+ __kmp_debug_assert(
+ char const * msg,
+ char const * file,
+ int line
+ ) {
+
+ if ( file == NULL ) {
+ file = KMP_I18N_STR( UnknownFile );
+ } else {
+ // Remove directories from path, leave only file name. File name is enough, there is no need
+ // in bothering developers and customers with full paths.
+ char const * slash = strrchr( file, '/' );
+ if ( slash != NULL ) {
+ file = slash + 1;
+ }; // if
+ }; // if
+
+ #ifdef KMP_DEBUG
+ __kmp_acquire_bootstrap_lock( & __kmp_stdio_lock );
+ __kmp_debug_printf( "Assertion failure at %s(%d): %s.\n", file, line, msg );
+ __kmp_release_bootstrap_lock( & __kmp_stdio_lock );
+ #ifdef USE_ASSERT_BREAK
+ #if KMP_OS_WINDOWS
+ DebugBreak();
+ #endif
+ #endif // USE_ASSERT_BREAK
+ #ifdef USE_ASSERT_STALL
+ /* __kmp_infinite_loop(); */
+ for(;;);
+ #endif // USE_ASSERT_STALL
+ #ifdef USE_ASSERT_SEG
+ {
+ int volatile * ZERO = (int*) 0;
+ ++ (*ZERO);
+ }
+ #endif // USE_ASSERT_SEG
+ #endif
+
+ __kmp_msg(
+ kmp_ms_fatal,
+ KMP_MSG( AssertionFailure, file, line ),
+ KMP_HNT( SubmitBugReport ),
+ __kmp_msg_null
+ );
+
+ return 0;
+
+ } // __kmp_debug_assert
+
+#endif // KMP_USE_ASSERT
+
+/* Dump debugging buffer to stderr */
+void
+__kmp_dump_debug_buffer( void )
+{
+ if ( __kmp_debug_buffer != NULL ) {
+ int i;
+ int dc = __kmp_debug_count;
+ char *db = & __kmp_debug_buffer[ (dc % __kmp_debug_buf_lines) * __kmp_debug_buf_chars ];
+ char *db_end = & __kmp_debug_buffer[ __kmp_debug_buf_lines * __kmp_debug_buf_chars ];
+ char *db2;
+
+ __kmp_acquire_bootstrap_lock( & __kmp_stdio_lock );
+ __kmp_printf_no_lock( "\nStart dump of debugging buffer (entry=%d):\n",
+ dc % __kmp_debug_buf_lines );
+
+ for ( i = 0; i < __kmp_debug_buf_lines; i++ ) {
+
+ if ( *db != '\0' ) {
+ /* Fix up where no carriage return before string termination char */
+ for ( db2 = db + 1; db2 < db + __kmp_debug_buf_chars - 1; db2 ++) {
+ if ( *db2 == '\0' ) {
+ if ( *(db2-1) != '\n' ) { *db2 = '\n'; *(db2+1) = '\0'; }
+ break;
+ }
+ }
+ /* Handle case at end by shortening the printed message by one char if necessary */
+ if ( db2 == db + __kmp_debug_buf_chars - 1 &&
+ *db2 == '\0' && *(db2-1) != '\n' ) {
+ *(db2-1) = '\n';
+ }
+
+ __kmp_printf_no_lock( "%4d: %.*s", i, __kmp_debug_buf_chars, db );
+ *db = '\0'; /* only let it print once! */
+ }
+
+ db += __kmp_debug_buf_chars;
+ if ( db >= db_end )
+ db = __kmp_debug_buffer;
+ }
+
+ __kmp_printf_no_lock( "End dump of debugging buffer (entry=%d).\n\n",
+ ( dc+i-1 ) % __kmp_debug_buf_lines );
+ __kmp_release_bootstrap_lock( & __kmp_stdio_lock );
+ }
+}
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