commit fa432524a66e5797874ef50e4ede95ded4cee199
author dimitry <dimitry@google.com> Wed Oct 25 13:07:45 2017 +0200
committer dimitry <dimitry@google.com> Fri Oct 27 10:01:46 2017 +0200
tree 63ae5385f8966b7dd107ed3e73b1d1043b8cb708
parent ae7483db2a6a93c0cb0c0eebc26f64b23168c6d3

Mark __BIONIC_WEAK_FOR_NATIVE_BRIDGE symbols

To make it easier for Native Bridge implementations
to override these symbols.

Bug: http://b/67993967
Test: make
Change-Id: I4c53e53af494bca365dd2b3305ab0ccc2b23ba44

libc/private/bionic_asm.h

diff --git a/libc/private/bionic_asm.h b/libc/private/bionic_asm.h
index 92f38aa..30842f4 100644
--- a/libc/private/bionic_asm.h
+++ b/libc/private/bionic_asm.h
@@ -78,6 +78,9 @@
     ENTRY_NO_DWARF(f); \
     .hidden f \
 
+#define __BIONIC_WEAK_ASM_FOR_NATIVE_BRIDGE(f) \
+    .weak f; \
+
 #define ALIAS_SYMBOL(alias, original) \
     .globl alias; \
     .equ alias, original

libc/private/bionic_defs.h

diff --git a/libc/private/bionic_defs.h b/libc/private/bionic_defs.h
index d9e016c..1d4f86b 100644
--- a/libc/private/bionic_defs.h
+++ b/libc/private/bionic_defs.h
@@ -34,5 +34,6 @@
  * by native bridge implementation.
  */
 #define __BIONIC_WEAK_FOR_NATIVE_BRIDGE __attribute__((__weak__, __noinline__))
+#define __BIONIC_WEAK_VARIABLE_FOR_NATIVE_BRIDGE __attribute__((__weak__))
 
 #endif /* __BIONIC_PRIVATE_BIONIC_DEFS_H_ */