Index: src/minsfi/trusted/entry.c |
diff --git a/src/minsfi/trusted/entry.c b/src/minsfi/trusted/entry.c |
new file mode 100644 |
index 0000000000000000000000000000000000000000..91c122d86efc24ad585f9cefc3d8b055f323f1e7 |
--- /dev/null |
+++ b/src/minsfi/trusted/entry.c |
@@ -0,0 +1,65 @@ |
+/* |
+ * Copyright (c) 2014 The Native Client Authors. All rights reserved. |
+ * Use of this source code is governed by a BSD-style license that can be |
+ * found in the LICENSE file. |
+ */ |
+ |
+#include "native_client/src/include/minsfi.h" |
+#include "native_client/src/include/minsfi_priv.h" |
+ |
+/* |
+ * Fixed offset of the data segment. This must be kept in sync with the |
+ * AllocateDataSegment compiler pass. |
+ */ |
+#define DATASEG_OFFSET 0x10000 |
+ |
+/* Globals exported by the sandbox, aka the manifest. */ |
+extern uint32_t __sfi_pointer_size; |
+extern const char __sfi_data_segment[]; |
+extern uint32_t __sfi_data_segment_size; |
+ |
+/* Entry point of the sandbox */ |
+extern uint32_t _start_minsfi(void); |
+ |
+static inline void GetManifest(MinsfiManifest *sb) { |
+ sb->ptr_size = __sfi_pointer_size; |
+ sb->dataseg_offset = DATASEG_OFFSET; |
+ sb->dataseg_size = __sfi_data_segment_size; |
+ sb->dataseg_template = __sfi_data_segment; |
+} |
+ |
+bool MinsfiInitializeSandbox(void) { |
+ MinsfiManifest manifest; |
+ MinsfiSandbox sb; |
+ |
+ if (MinsfiGetActiveSandbox() != NULL) |
+ return true; |
+ |
+ GetManifest(&manifest); |
+ if (!MinsfiInitSandbox(&manifest, &sb)) |
+ return false; |
+ |
+ MinsfiSetActiveSandbox(&sb); |
+ return true; |
+} |
+ |
+int MinsfiInvokeSandbox(void) { |
+ if (MinsfiGetActiveSandbox() == NULL) |
+ return EXIT_FAILURE; |
+ |
+ return _start_minsfi(); |
+} |
+ |
+bool MinsfiDestroySandbox(void) { |
+ const MinsfiSandbox *sb; |
+ |
+ if ((sb = MinsfiGetActiveSandbox()) == NULL) |
+ return true; |
+ |
+ if (MinsfiUnmapSandbox(sb)) { |
+ MinsfiSetActiveSandbox(NULL); |
+ return true; |
+ } |
+ |
+ return false; |
+} |