Initial population of CoreRT Runtime files.

1 files changed, 79 insertions, 0 deletions

diff --git a/src/Native/Runtime/gcdump.h b/src/Native/Runtime/gcdump.h
new file mode 100644
index 000000000..1ec5eb1f8
--- /dev/null
+++ b/src/Native/Runtime/gcdump.h
@@ -0,0 +1,79 @@
+//
+// Copyright (c) Microsoft Corporation.  All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+//
+/*****************************************************************************
+ *                                  GCDump.h
+ *
+ * Defines functions to display the GCInfo as defined by the GC-encoding 
+ * spec. The GC information may be either dynamically created by a 
+ * Just-In-Time compiler conforming to the standard code-manager spec,
+ * or may be persisted by a managed native code compiler conforming
+ * to the standard code-manager spec.
+ */
+
+/*****************************************************************************/
+#ifndef __GCDUMP_H__
+#define __GCDUMP_H__
+/*****************************************************************************/
+
+struct GCInfoHeader;
+
+#ifndef FASTCALL
+#define FASTCALL __fastcall
+#endif
+
+
+class GCDump
+{
+public:
+
+    struct Tables
+    {
+        PTR_UInt8 pbDeltaShortcutTable;
+        PTR_UInt8 pbUnwindInfoBlob;
+        PTR_UInt8 pbCallsiteInfoBlob;
+    };
+
+
+    GCDump                     ();
+
+    /*-------------------------------------------------------------------------
+     * Dumps the GCInfoHeader to 'stdout'
+     * gcInfo           : Start of the GC info block
+     * Return value     : Size in bytes of the header encoding
+     */
+
+    size_t FASTCALL DumpInfoHeader(PTR_UInt8      gcInfo,
+                                   Tables *       pTables,
+                                   GCInfoHeader * header         /* OUT */
+                                   );
+
+    /*-------------------------------------------------------------------------
+     * Dumps the GC tables to 'stdout'
+     * gcInfo           : Ptr to the start of the table part of the GC info.
+     *                      This immediately follows the GCinfo header
+     * Return value     : Size in bytes of the GC table encodings
+     */
+
+    size_t FASTCALL DumpGCTable(PTR_UInt8           gcInfo,
+                                Tables *            pTables,
+                                const GCInfoHeader& header
+                                );
+
+
+    typedef void (*printfFtn)(const char* fmt, ...);
+    printfFtn gcPrintf;
+
+
+
+    //-------------------------------------------------------------------------
+protected:
+
+    void PrintLocalSlot(UInt32 slotNum, GCInfoHeader const * pHeader);
+    void DumpCallsiteString(UInt32 callsiteOffset, PTR_UInt8 pbCallsiteString, GCInfoHeader const * pHeader);
+};
+
+/*****************************************************************************/
+#endif // __GC_DUMP_H__
+/*****************************************************************************/