jdk12_jfr.patch

diff --git a/src/hotspot/share/jfr/recorder/repository/jfrChunkWriter.cpp b/src/hotspot/share/jfr/recorder/repository/jfrChunkWriter.cpp
index cbd539568..aa5f9b5f5 100644
--- a/src/hotspot/share/jfr/recorder/repository/jfrChunkWriter.cpp
+++ b/src/hotspot/share/jfr/recorder/repository/jfrChunkWriter.cpp
@@ -88,17 +88,17 @@ size_t JfrChunkWriter::close(int64_t metadata_offset) {
 void JfrChunkWriter::write_header(int64_t metadata_offset) {
   assert(this->is_valid(), "invariant");
   // Chunk size
-  this->write_be_at_offset(size_written(), CHUNK_SIZE_OFFSET);
+  this->write_be_at_offset((u8)size_written(), CHUNK_SIZE_OFFSET);
   // initial checkpoint event offset
-  this->write_be_at_offset(_chunkstate->previous_checkpoint_offset(), CHUNK_SIZE_OFFSET + (1 * FILEHEADER_SLOT_SIZE));
+  this->write_be_at_offset((u8)_chunkstate->previous_checkpoint_offset(), CHUNK_SIZE_OFFSET + (1 * FILEHEADER_SLOT_SIZE));
   // metadata event offset
-  this->write_be_at_offset(metadata_offset, CHUNK_SIZE_OFFSET + (2 * FILEHEADER_SLOT_SIZE));
+  this->write_be_at_offset((u8)metadata_offset, CHUNK_SIZE_OFFSET + (2 * FILEHEADER_SLOT_SIZE));
   // start of chunk in nanos since epoch
-  this->write_be_at_offset(_chunkstate->previous_start_nanos(), CHUNK_SIZE_OFFSET + (3 * FILEHEADER_SLOT_SIZE));
+  this->write_be_at_offset((u8)_chunkstate->previous_start_nanos(), CHUNK_SIZE_OFFSET + (3 * FILEHEADER_SLOT_SIZE));
   // duration of chunk in nanos
-  this->write_be_at_offset(_chunkstate->last_chunk_duration(), CHUNK_SIZE_OFFSET + (4 * FILEHEADER_SLOT_SIZE));
+  this->write_be_at_offset((u8)_chunkstate->last_chunk_duration(), CHUNK_SIZE_OFFSET + (4 * FILEHEADER_SLOT_SIZE));
   // start of chunk in ticks
-  this->write_be_at_offset(_chunkstate->previous_start_ticks(), CHUNK_SIZE_OFFSET + (5 * FILEHEADER_SLOT_SIZE));
+  this->write_be_at_offset((u8)_chunkstate->previous_start_ticks(), CHUNK_SIZE_OFFSET + (5 * FILEHEADER_SLOT_SIZE));
 }
 
 void JfrChunkWriter::set_chunk_path(const char* chunk_path) {