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Diffstat (limited to 'cpukit/libtrace/record/record-dump.c')
-rw-r--r--cpukit/libtrace/record/record-dump.c108
1 files changed, 108 insertions, 0 deletions
diff --git a/cpukit/libtrace/record/record-dump.c b/cpukit/libtrace/record/record-dump.c
new file mode 100644
index 0000000000..b3c757226a
--- /dev/null
+++ b/cpukit/libtrace/record/record-dump.c
@@ -0,0 +1,108 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/*
+ * Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de)
+ *
+ * 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/recorddump.h>
+#include <rtems/score/threadimpl.h>
+
+typedef struct {
+ rtems_record_dump_chunk chunk;
+ void *arg;
+} dump_context;
+
+static void dump_chunk( dump_context *ctx, const void *data, size_t length )
+{
+ ( *ctx->chunk )( ctx->arg, data, length );
+}
+
+static bool thread_names_visitor( rtems_tcb *tcb, void *arg )
+{
+ dump_context *ctx;
+ char name[ 2 * THREAD_DEFAULT_MAXIMUM_NAME_SIZE ];
+ size_t n;
+ size_t i;
+ rtems_record_item item;
+ rtems_record_data data;
+
+ ctx = arg;
+ item.event = RTEMS_RECORD_THREAD_ID;
+ item.data = tcb->Object.id;
+ dump_chunk( ctx, &item, sizeof( item ) );
+
+ n = _Thread_Get_name( tcb, name, sizeof( name ) );
+ i = 0;
+
+ while ( i < n ) {
+ size_t j;
+
+ data = 0;
+
+ for ( j = 0; i < n && j < sizeof( data ); ++j ) {
+ rtems_record_data c;
+
+ c = (unsigned char) name[ i ];
+ data |= c << ( j * 8 );
+ ++i;
+ }
+
+ item.event = RTEMS_RECORD_THREAD_NAME;
+ item.data = data;
+ dump_chunk( ctx, &item, sizeof( item ) );
+ }
+
+ return false;
+}
+
+static void drain_visitor(
+ const rtems_record_item *items,
+ size_t count,
+ void *arg
+)
+{
+ dump_chunk( arg, items, count * sizeof( *items ) );
+}
+
+void rtems_record_dump(
+ rtems_record_dump_chunk chunk,
+ void *arg
+)
+{
+ Record_Stream_header header;
+ size_t size;
+ dump_context ctx;
+
+ ctx.chunk = chunk;
+ ctx.arg = arg;
+
+ size = _Record_Stream_header_initialize( &header );
+ dump_chunk( &ctx, &header, size );
+ rtems_task_iterate( thread_names_visitor, &ctx );
+ rtems_record_drain( drain_visitor, &ctx );
+}