1 files changed, 95 insertions, 0 deletions
diff --git a/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/core/shared/platform/linux-sgx/sgx_rsrv_mem_mngr.h b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/core/shared/platform/linux-sgx/sgx_rsrv_mem_mngr.h
new file mode 100644
index 000000000..5555d4d9f
--- /dev/null
+++ b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/core/shared/platform/linux-sgx/sgx_rsrv_mem_mngr.h
@@ -0,0 +1,95 @@
+/*
+ * Copyright (C) 2011-2019 Intel Corporation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *   * Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *   * 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.
+ *   * Neither the name of Intel Corporation nor the names of its
+ *     contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * 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.
+ *
+ */
+
+/*
+ * This file is copied from
+ * https://github.com/intel/linux-sgx/blob/4589daddd58bec7367a6a9de3fe301e6de17671a/common/inc/internal/sgx_rsrv_mem_mngr.h
+ * The reason we copied here is that the official SGX SDK release has
+ * not included this header file yet.
+ */
+
+#pragma once
+
+#ifndef _SGX_RSRV_MEM_MNGR_H_
+#define _SGX_RSRV_MEM_MNGR_H_
+
+#include "stdint.h"
+#include "sgx_error.h"
+
+#define SGX_PROT_READ 0x1  /* page can be read */
+#define SGX_PROT_WRITE 0x2 /* page can be written */
+#define SGX_PROT_EXEC 0x4  /* page can be executed */
+#define SGX_PROT_NONE 0x0  /* page can not be accessed */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Allocate a range of EPC memory from the reserved memory area with RW
+ * permission
+ *
+ * Parameters:
+ * Inputs: length [in]: Size of region to be allocated in bytes. Page aligned.
+ * Return: Starting address of the new allocated memory area on success;
+ * otherwise NULL
+ */
+void *
+sgx_alloc_rsrv_mem(size_t length);
+
+/* Free a range of EPC memory from the reserved memory area
+ *
+ * Parameters:
+ * Inputs: addr[in]: Starting address of region to be freed. Page aligned.
+ *         length[in]: The length of the memory to be freed in bytes.
+ *                     Page aligned.
+ * Return: 0 on success; otherwise -1
+ */
+int
+sgx_free_rsrv_mem(void *addr, size_t length);
+
+/* Modify the access permissions of the pages in the reserved memory area.
+ *
+ * Parameters:
+ * Inputs: addr[in]: Starting address of region which needs to change access
+ *                   permission. Page aligned.
+ *         length[in]: The length of the memory to be manipulated in bytes.
+ *                     Page aligned.
+ *         prot[in]: The target memory protection.
+ * Return: sgx_status_t - SGX_SUCCESS or failure as defined in sgx_error.h
+ */
+sgx_status_t
+sgx_tprotect_rsrv_mem(void *addr, size_t len, int prot);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif