third_party/wamr.patch

diff --git a/core/shared/platform/teaclave-sgx/platform_internal.h b/core/shared/platform/teaclave-sgx/platform_internal.h
new file mode 100644
index 0000000..93417b4
--- /dev/null
+++ b/core/shared/platform/teaclave-sgx/platform_internal.h
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2019 Intel Corporation.  All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ */
+
+#ifndef _PLATFORM_INTERNAL_H
+#define _PLATFORM_INTERNAL_H
+
+#include <inttypes.h>
+#include <stdbool.h>
+#include <assert.h>
+#include <time.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <unistd.h>
+#include <stdarg.h>
+#include <ctype.h>
+#include <limits.h>
+#include <errno.h>
+#include <sgx_thread.h>
+#include <pthread.h>
+
+#include "sgx_error.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef BH_PLATFORM_LINUX_SGX
+#define BH_PLATFORM_LINUX_SGX
+#endif
+
+#define _STACK_SIZE_ADJUSTMENT (32 * 1024)
+
+/* Stack size of applet threads's native part.  */
+#define BH_APPLET_PRESERVED_STACK_SIZE      (8 * 1024 + _STACK_SIZE_ADJUSTMENT)
+
+/* Default thread priority */
+#define BH_THREAD_DEFAULT_PRIORITY 0
+
+typedef pthread_t korp_thread;
+typedef pthread_t korp_tid;
+typedef pthread_mutex_t korp_mutex;
+typedef pthread_cond_t korp_cond;
+
+typedef void (*os_print_function_t)(const char* message);
+void os_set_print_function(os_print_function_t pf);
+
+char *strcpy(char *dest, const char *src);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* end of _PLATFORM_INTERNAL_H */
+
diff --git a/core/shared/platform/teaclave-sgx/sgx_platform.c b/core/shared/platform/teaclave-sgx/sgx_platform.c
new file mode 100644
index 0000000..e819f26
--- /dev/null
+++ b/core/shared/platform/teaclave-sgx/sgx_platform.c
@@ -0,0 +1,172 @@
+/*
+ * Copyright (C) 2019 Intel Corporation.  All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ */
+
+#include "platform_api_vmcore.h"
+#include "platform_api_extension.h"
+#include "sgx_rsrv_mem_mngr.h"
+
+#define FIXED_BUFFER_SIZE (1<<9)
+
+static os_print_function_t print_function = NULL;
+
+int bh_platform_init()
+{
+    return 0;
+}
+
+void
+bh_platform_destroy()
+{
+}
+
+void *
+os_malloc(unsigned size)
+{
+    return malloc(size);
+}
+
+void *
+os_realloc(void *ptr, unsigned size)
+{
+    return realloc(ptr, size);
+}
+
+void
+os_free(void *ptr)
+{
+    free(ptr);
+}
+
+int putchar(int c)
+{
+    return 0;
+}
+
+int puts(const char *s)
+{
+    return 0;
+}
+
+void os_set_print_function(os_print_function_t pf)
+{
+    print_function = pf;
+}
+
+int os_printf(const char *message, ...)
+{
+    if (print_function != NULL) {
+        char msg[FIXED_BUFFER_SIZE] = { '\0' };
+        va_list ap;
+        va_start(ap, message);
+        vsnprintf(msg, FIXED_BUFFER_SIZE, message, ap);
+        va_end(ap);
+        print_function(msg);
+    }
+
+    return 0;
+}
+
+int os_vprintf(const char * format, va_list arg)
+{
+    if (print_function != NULL) {
+        char msg[FIXED_BUFFER_SIZE] = { '\0' };
+        vsnprintf(msg, FIXED_BUFFER_SIZE, format, arg);
+        print_function(msg);
+    }
+
+    return 0;
+}
+
+char *strcpy(char *dest, const char *src)
+{
+    const unsigned char *s = src;
+    unsigned char *d = dest;
+
+    while ((*d++ = *s++));
+    return dest;
+}
+
+void* os_mmap(void *hint, size_t size, int prot, int flags)
+{
+    int mprot = 0;
+    uint64 aligned_size, page_size;
+    void* ret = NULL;
+    sgx_status_t st = 0;
+
+    page_size = getpagesize();
+    aligned_size = (size + page_size - 1) & ~(page_size - 1);
+
+    if (aligned_size >= UINT32_MAX)
+        return NULL;
+
+    ret = sgx_alloc_rsrv_mem(aligned_size);
+    if (ret == NULL) {
+        os_printf("os_mmap(size=%u, aligned size=%lu, prot=0x%x) failed.",
+                  size, aligned_size, prot);
+        return NULL;
+    }
+
+    if (prot & MMAP_PROT_READ)
+        mprot |= SGX_PROT_READ;
+    if (prot & MMAP_PROT_WRITE)
+        mprot |= SGX_PROT_WRITE;
+    if (prot & MMAP_PROT_EXEC)
+        mprot |= SGX_PROT_EXEC;
+
+    st = sgx_tprotect_rsrv_mem(ret, aligned_size, mprot);
+    if (st != SGX_SUCCESS) {
+        os_printf("os_mmap(size=%u, prot=0x%x) failed to set protect.",
+                  size, prot);
+        sgx_free_rsrv_mem(ret, aligned_size);
+        return NULL;
+    }
+
+    return ret;
+}
+
+void os_munmap(void *addr, size_t size)
+{
+    uint64 aligned_size, page_size;
+
+    page_size = getpagesize();
+    aligned_size = (size + page_size - 1) & ~(page_size - 1);
+    sgx_free_rsrv_mem(addr, aligned_size);
+}
+
+int os_mprotect(void *addr, size_t size, int prot)
+{
+    int mprot = 0;
+    sgx_status_t st = 0;
+    uint64 aligned_size, page_size;
+
+    page_size = getpagesize();
+    aligned_size = (size + page_size - 1) & ~(page_size - 1);
+
+    if (prot & MMAP_PROT_READ)
+        mprot |= SGX_PROT_READ;
+    if (prot & MMAP_PROT_WRITE)
+        mprot |= SGX_PROT_WRITE;
+    if (prot & MMAP_PROT_EXEC)
+        mprot |= SGX_PROT_EXEC;
+    st = sgx_tprotect_rsrv_mem(addr, aligned_size, mprot);
+    if (st != SGX_SUCCESS)
+        os_printf("os_mprotect(addr=0x%"PRIx64", size=%u, prot=0x%x) failed.",
+                  (uintptr_t)addr, size, prot);
+
+    return (st == SGX_SUCCESS? 0:-1);
+}
+
+uint64
+os_time_get_boot_microsecond()
+{
+    /* TODO */
+    return 0;
+}
+
+void
+os_dcache_flush(void)
+{
+}
+
diff --git a/core/shared/platform/teaclave-sgx/sgx_rsrv_mem_mngr.h b/core/shared/platform/teaclave-sgx/sgx_rsrv_mem_mngr.h
new file mode 100644
index 0000000..b32a68b
--- /dev/null
+++ b/core/shared/platform/teaclave-sgx/sgx_rsrv_mem_mngr.h
@@ -0,0 +1,90 @@
+/*
+ * 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
+
diff --git a/core/shared/platform/teaclave-sgx/sgx_thread.c b/core/shared/platform/teaclave-sgx/sgx_thread.c
new file mode 100644
index 0000000..d1503b4
--- /dev/null
+++ b/core/shared/platform/teaclave-sgx/sgx_thread.c
@@ -0,0 +1,180 @@
+/*
+ * Copyright (C) 2019 Intel Corporation.  All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ */
+
+#include "platform_api_vmcore.h"
+#include "platform_api_extension.h"
+
+#ifndef SGX_DISABLE_PTHREAD
+typedef struct {
+    thread_start_routine_t start;
+    void *arg;
+} thread_wrapper_arg;
+
+static void *os_thread_wrapper(void *arg)
+{
+    thread_wrapper_arg * targ = arg;
+    thread_start_routine_t start_func = targ->start;
+    void *thread_arg = targ->arg;
+    os_printf("THREAD CREATED %p\n", &targ);
+    BH_FREE(targ);
+    start_func(thread_arg);
+    return NULL;
+}
+
+int os_thread_create_with_prio(korp_tid *tid, thread_start_routine_t start,
+                               void *arg, unsigned int stack_size, int prio)
+{
+    thread_wrapper_arg *targ;
+
+    assert(tid);
+    assert(start);
+
+    targ = (thread_wrapper_arg *) BH_MALLOC(sizeof(*targ));
+    if (!targ) {
+        return BHT_ERROR;
+    }
+
+    targ->start = start;
+    targ->arg = arg;
+
+    if (pthread_create(tid, NULL, os_thread_wrapper, targ) != 0) {
+        BH_FREE(targ);
+        return BHT_ERROR;
+    }
+
+    return BHT_OK;
+}
+
+int os_thread_create(korp_tid *tid, thread_start_routine_t start, void *arg,
+                     unsigned int stack_size)
+{
+    return os_thread_create_with_prio(tid, start, arg, stack_size,
+                                      BH_THREAD_DEFAULT_PRIORITY);
+}
+#endif
+
+korp_tid os_self_thread()
+{
+#ifndef SGX_DISABLE_PTHREAD
+    return pthread_self();
+#else
+    return 0;
+#endif
+}
+
+int os_mutex_init(korp_mutex *mutex)
+{
+#ifndef SGX_DISABLE_PTHREAD
+    pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER;
+    *mutex = m;
+#endif
+    return BHT_OK;
+}
+
+int os_mutex_destroy(korp_mutex *mutex)
+{
+#ifndef SGX_DISABLE_PTHREAD
+    pthread_mutex_destroy(mutex);
+#endif
+    return BHT_OK;
+}
+
+int os_mutex_lock(korp_mutex *mutex)
+{
+#ifndef SGX_DISABLE_PTHREAD
+    return pthread_mutex_lock(mutex);
+#else
+    return 0;
+#endif
+}
+
+int os_mutex_unlock(korp_mutex *mutex)
+{
+#ifndef SGX_DISABLE_PTHREAD
+    return pthread_mutex_unlock(mutex);
+#else
+    return 0;
+#endif
+}
+
+int os_cond_init(korp_cond *cond)
+{
+#ifndef SGX_DISABLE_PTHREAD
+    pthread_cond_t c = PTHREAD_COND_INITIALIZER;
+    *cond = c;
+#endif
+    return BHT_OK;
+}
+
+int os_cond_destroy(korp_cond *cond)
+{
+#ifndef SGX_DISABLE_PTHREAD
+    pthread_cond_destroy(cond);
+#endif
+    return BHT_OK;
+}
+
+int os_cond_wait(korp_cond *cond, korp_mutex *mutex)
+{
+#ifndef SGX_DISABLE_PTHREAD
+    assert(cond);
+    assert(mutex);
+
+    if (pthread_cond_wait(cond, mutex) != BHT_OK)
+        return BHT_ERROR;
+
+#endif
+    return BHT_OK;
+}
+
+int os_cond_reltimedwait(korp_cond *cond, korp_mutex *mutex, uint64 useconds)
+{
+    os_printf("warning: SGX pthread_cond_timedwait isn't supported, "
+              "calling pthread_cond_wait instead!\n");
+    return BHT_ERROR;
+}
+
+int os_cond_signal(korp_cond *cond)
+{
+#ifndef SGX_DISABLE_PTHREAD
+    assert(cond);
+
+    if (pthread_cond_signal(cond) != BHT_OK)
+        return BHT_ERROR;
+
+#endif
+    return BHT_OK;
+}
+
+int os_thread_join(korp_tid thread, void **value_ptr)
+{
+#ifndef SGX_DISABLE_PTHREAD
+    return pthread_join(thread, value_ptr);
+#else
+    return 0;
+#endif
+}
+
+int os_thread_detach(korp_tid thread)
+{
+    /* SGX pthread_detach isn't provided, return directly. */
+    return 0;
+}
+
+void os_thread_exit(void *retval)
+{
+#ifndef SGX_DISABLE_PTHREAD
+    pthread_exit(retval);
+#else
+    return;
+#endif
+}
+
+uint8 *os_thread_get_stack_boundary()
+{
+    /* TODO: get sgx stack boundary */
+    return NULL;
+}
+
diff --git a/core/shared/platform/teaclave-sgx/shared_platform.cmake b/core/shared/platform/teaclave-sgx/shared_platform.cmake
new file mode 100644
index 0000000..fa3a7aa
--- /dev/null
+++ b/core/shared/platform/teaclave-sgx/shared_platform.cmake
@@ -0,0 +1,33 @@
+# Copyright (C) 2019 Intel Corporation.  All rights reserved.
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+
+set (PLATFORM_SHARED_DIR ${CMAKE_CURRENT_LIST_DIR})
+
+add_definitions(-DBH_PLATFORM_LINUX_SGX)
+
+include_directories(${PLATFORM_SHARED_DIR})
+include_directories(${PLATFORM_SHARED_DIR}/../include)
+
+if ("$ENV{SGX_SDK}" STREQUAL "")
+  set (SGX_SDK_DIR "/opt/intel/sgxsdk")
+else()
+  set (SGX_SDK_DIR $ENV{SGX_SDK})
+endif()
+
+include_directories (${SGX_SDK_DIR}/include)
+if (NOT BUILD_UNTRUST_PART EQUAL 1)
+  include_directories (${SGX_SDK_DIR}/include/tlibc
+                       ${SGX_SDK_DIR}/include/libcxx)
+endif ()
+
+if (NOT WAMR_BUILD_LIBC_WASI EQUAL 1)
+  add_definitions(-DSGX_DISABLE_WASI)
+endif ()
+
+if (NOT WAMR_BUILD_THREAD_MGR EQUAL 1)
+  add_definitions(-DSGX_DISABLE_PTHREAD)
+endif ()
+
+file (GLOB source_all ${PLATFORM_SHARED_DIR}/*.c)
+
+set (PLATFORM_SHARED_SOURCE ${source_all})
diff --git a/product-mini/platforms/teaclave-sgx/CMakeLists.txt b/product-mini/platforms/teaclave-sgx/CMakeLists.txt
new file mode 100644
index 0000000..d4c71d8
--- /dev/null
+++ b/product-mini/platforms/teaclave-sgx/CMakeLists.txt
@@ -0,0 +1,82 @@
+# Copyright (C) 2019 Intel Corporation.  All rights reserved.
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+
+cmake_minimum_required (VERSION 2.8)
+
+project (iwasm)
+
+set (WAMR_BUILD_PLATFORM "teaclave-sgx")
+
+# Reset default linker flags
+set (CMAKE_SHARED_LIBRARY_LINK_C_FLAGS "")
+set (CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS "")
+
+# Set WAMR_BUILD_TARGET
+if (NOT DEFINED WAMR_BUILD_TARGET)
+  if (CMAKE_SIZEOF_VOID_P EQUAL 8)
+    # Build as X86_64 by default in 64-bit platform
+    set (WAMR_BUILD_TARGET "X86_64")
+  else ()
+    # Build as X86_32 by default in 32-bit platform
+    set (WAMR_BUILD_TARGET "X86_32")
+  endif ()
+endif ()
+
+if (NOT CMAKE_BUILD_TYPE)
+  set(CMAKE_BUILD_TYPE Release)
+endif ()
+
+if (NOT DEFINED WAMR_BUILD_INTERP)
+  # Enable Interpreter by default
+  set (WAMR_BUILD_INTERP 1)
+endif ()
+
+if (NOT DEFINED WAMR_BUILD_AOT)
+  # Enable AOT by default
+  # Please install Intel SGX SDKv2.8 or later.
+  set (WAMR_BUILD_AOT 0)
+endif ()
+
+if (NOT DEFINED WAMR_BUILD_JIT)
+  # Disable JIT by default.
+  set (WAMR_BUILD_JIT 0)
+endif ()
+
+if (NOT DEFINED WAMR_BUILD_LIBC_BUILTIN)
+  # Enable libc builtin support by default
+  set (WAMR_BUILD_LIBC_BUILTIN 0)
+endif ()
+
+if (NOT DEFINED WAMR_BUILD_LIBC_WASI)
+  # Enable libc wasi support by default
+  set (WAMR_BUILD_LIBC_WASI 0)
+endif ()
+
+if (NOT DEFINED WAMR_BUILD_FAST_INTERP)
+  # Enable fast interpreter
+  set (WAMR_BUILD_FAST_INTERP 0)
+endif ()
+
+if (NOT DEFINED WAMR_BUILD_MULTI_MODULE)
+  # Enable multiple modules
+  set (WAMR_BUILD_MULTI_MODULE 0)
+endif ()
+
+if (NOT DEFINED WAMR_BUILD_LIB_PTHREAD)
+  # Enable pthread library by default
+  set (WAMR_BUILD_LIB_PTHREAD 0)
+endif ()
+
+if (COLLECT_CODE_COVERAGE EQUAL 1)
+  set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fprofile-arcs -ftest-coverage")
+endif ()
+
+set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--gc-sections")
+set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99 -ffunction-sections -fdata-sections \
+                                     -Wall -Wno-unused-parameter -Wno-pedantic \
+                                     -nostdinc -fvisibility=hidden -fpie" )
+
+set (WAMR_ROOT_DIR ${CMAKE_CURRENT_SOURCE_DIR}/../../..)
+
+include (${WAMR_ROOT_DIR}/build-scripts/runtime_lib.cmake)
+add_library(vmlib ${WAMR_RUNTIME_LIB_SOURCE})