Refresh android-20 headers/libs

bionic: adfc007dbf936bd021d79ba2d2c360a3cfc77be9 5/19 2014 Change-Id: I4836f04d9b5b68abe7896e246c9dffa2e175e4ca
2014-05-09 20:07:27 +08:00
parent b769dcb815
commit f81cdeba6a
86 changed files with 1209 additions and 1748 deletions
--- a/ndk/platforms/android-20/include/android/dlext.h
+++ b/ndk/platforms/android-20/include/android/dlext.h
@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __ANDROID_DLEXT_H__
+#define __ANDROID_DLEXT_H__
+
+#include <stddef.h>
+#include <sys/cdefs.h>
+
+__BEGIN_DECLS
+
+/* bitfield definitions for android_dlextinfo.flags */
+enum {
+  /* When set, the reserved_addr and reserved_size fields must point to an
+   * already-reserved region of address space which will be used to load the
+   * library if it fits. If the reserved region is not large enough, the load
+   * will fail.
+   */
+  ANDROID_DLEXT_RESERVED_ADDRESS      = 0x1,
+
+  /* As DLEXT_RESERVED_ADDRESS, but if the reserved region is not large enough,
+   * the linker will choose an available address instead.
+   */
+  ANDROID_DLEXT_RESERVED_ADDRESS_HINT = 0x2,
+
+  /* When set, write the GNU RELRO section of the mapped library to relro_fd
+   * after relocation has been performed, to allow it to be reused by another
+   * process loading the same library at the same address. This implies
+   * ANDROID_DLEXT_USE_RELRO.
+   */
+  ANDROID_DLEXT_WRITE_RELRO           = 0x4,
+
+  /* When set, compare the GNU RELRO section of the mapped library to relro_fd
+   * after relocation has been performed, and replace any relocated pages that
+   * are identical with a version mapped from the file.
+   */
+  ANDROID_DLEXT_USE_RELRO             = 0x8,
+
+  /* Mask of valid bits */
+  ANDROID_DLEXT_VALID_FLAG_BITS       = ANDROID_DLEXT_RESERVED_ADDRESS |
+                                        ANDROID_DLEXT_RESERVED_ADDRESS_HINT |
+                                        ANDROID_DLEXT_WRITE_RELRO |
+                                        ANDROID_DLEXT_USE_RELRO,
+};
+
+typedef struct {
+  int     flags;
+  void*   reserved_addr;
+  size_t  reserved_size;
+  int     relro_fd;
+} android_dlextinfo;
+
+extern void* android_dlopen_ext(const char* filename, int flag, const android_dlextinfo* extinfo);
+
+__END_DECLS
+
+#endif /* __ANDROID_DLEXT_H__ */