record: Add wrappers for malloc() functions

Introduce new library librtemsrecordwrap.a which contains wrappers for
operating system functions which produce entry/exit events.

The wrappers can be selected during link time via the GNU ld --wrap
option.

Update #3665.

1 files changed, 145 insertions, 0 deletions

diff --git a/cpukit/libtrace/record/record-wrap-malloc.c b/cpukit/libtrace/record/record-wrap-malloc.c
new file mode 100644
index 0000000000..2ec3e9c023
--- /dev/null
+++ b/cpukit/libtrace/record/record-wrap-malloc.c
@@ -0,0 +1,145 @@
+/*
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (C) 2018, 2019 embedded brains GmbH
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ *
+ * 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 OWNER 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.
+ */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <rtems/record.h>
+
+#include <stdlib.h>
+
+typedef void *Record_Aligned_alloc(size_t, size_t);
+
+Record_Aligned_alloc aligned_alloc;
+Record_Aligned_alloc __real_aligned_alloc;
+Record_Aligned_alloc __wrap_aligned_alloc;
+
+void *__wrap_aligned_alloc( size_t alignment, size_t size )
+{
+  void *ptr;
+
+  rtems_record_entry_2(
+    RTEMS_RECORD_ALIGNED_ALLOC_ENTRY,
+    alignment,
+    size
+  );
+  ptr = __real_aligned_alloc( alignment, size );
+  rtems_record_exit_1(
+    RTEMS_RECORD_ALIGNED_ALLOC_EXIT,
+    (rtems_record_data) ptr
+  );
+  return ptr;
+}
+
+typedef void *Record_Calloc( size_t, size_t );
+
+Record_Calloc calloc;
+Record_Calloc __real_calloc;
+Record_Calloc __wrap_calloc;
+
+void *__wrap_calloc( size_t nelem, size_t elsize )
+{
+  void *ptr;
+
+  rtems_record_entry_2( RTEMS_RECORD_CALLOC_ENTRY, nelem, elsize );
+  ptr = __real_calloc( nelem, elsize );
+  rtems_record_exit_1( RTEMS_RECORD_CALLOC_EXIT, (rtems_record_data) ptr );
+  return ptr;
+}
+
+typedef void *Record_Malloc( size_t );
+
+Record_Malloc malloc;
+Record_Malloc __real_malloc;
+Record_Malloc __wrap_malloc;
+
+void *__wrap_malloc( size_t size )
+{
+  void *ptr;
+
+  rtems_record_entry_1( RTEMS_RECORD_MALLOC_ENTRY, size );
+  ptr = __real_malloc( size );
+  rtems_record_exit_1( RTEMS_RECORD_MALLOC_EXIT, (rtems_record_data) ptr );
+  return ptr;
+}
+
+typedef void Record_Free( void *ptr );
+
+Record_Free free;
+Record_Free __real_free;
+Record_Free __wrap_free;
+
+void __wrap_free( void *ptr )
+{
+  rtems_record_entry_1( RTEMS_RECORD_FREE_ENTRY, (rtems_record_data) ptr );
+  __real_free( ptr );
+  rtems_record_entry( RTEMS_RECORD_FREE_EXIT );
+}
+
+typedef int Record_POSIX_memalign( void **, size_t, size_t );
+
+Record_POSIX_memalign posix_memalign;
+Record_POSIX_memalign __real_posix_memalign;
+Record_POSIX_memalign __wrap_posix_memalign;
+
+int __wrap_posix_memalign( void **memptr, size_t alignment, size_t size )
+{
+  int eno;
+
+  rtems_record_entry_3(
+    RTEMS_RECORD_POSIX_MEMALIGN_ENTRY,
+    (rtems_record_data) memptr,
+    alignment,
+    size
+  );
+  eno = __real_posix_memalign( memptr, alignment, size );
+  rtems_record_exit_2(
+    RTEMS_RECORD_POSIX_MEMALIGN_EXIT,
+    eno,
+    (rtems_record_data) ( memptr != NULL ? *memptr : NULL )
+  );
+  return eno;
+}
+
+typedef void *Record_Realloc( void *, size_t );
+
+Record_Realloc realloc;
+Record_Realloc __real_realloc;
+Record_Realloc __wrap_realloc;
+
+void *__wrap_realloc( void *ptr, size_t size )
+{
+  rtems_record_entry_2(
+    RTEMS_RECORD_REALLOC_ENTRY,
+    (rtems_record_data) ptr,
+    size
+  );
+  ptr = __real_realloc( ptr, size );
+  rtems_record_exit_1( RTEMS_RECORD_REALLOC_EXIT, (rtems_record_data) ptr );
+  return ptr;
+}