commit 9cf99cbad89c8495828788ce693a99ced434f66f
author Dimitry Ivanov <dimitry@google.com> Fri Dec 11 14:22:24 2015 -0800
committer Dimitry Ivanov <dimitry@google.com> Wed Dec 16 15:24:13 2015 -0800
tree fa089662db2475f6e4e1260f029fcab805eb0a96
parent d3e5301a75256171199b23f6ba2c6651d05ce5f1

linker: add dlvsym(3)

This changes implements dlvsym - dlsym for versioned symbols.

Bug: http://b/22865643
Change-Id: Ic90a60d512104261a1416c43f9100f0d88e3b46f

libc/include/dlfcn.h

diff --git a/libc/include/dlfcn.h b/libc/include/dlfcn.h
index afa7687..c2e8980 100644
--- a/libc/include/dlfcn.h
+++ b/libc/include/dlfcn.h
@@ -43,11 +43,12 @@
                                in dli_sname */
 } Dl_info;
 
-extern void*        dlopen(const char*  filename, int flag);
-extern int          dlclose(void*  handle);
-extern const char*  dlerror(void);
-extern void*        dlsym(void*  handle, const char*  symbol);
-extern int          dladdr(const void* addr, Dl_info *info);
+extern void* dlopen(const char*  filename, int flag);
+extern int dlclose(void*  handle);
+extern const char* dlerror(void);
+extern void* dlsym(void* handle, const char* symbol) __nonnull((2));
+extern void* dlvsym(void* handle, const char* symbol, const char* version) __nonnull((2, 3));
+extern int dladdr(const void* addr, Dl_info *info);
 
 enum {
 #if defined(__LP64__)