commit ae320cde079439acac22c0d1f28c2737467a9c83
author Ryan Prichard <rprichard@google.com> Tue Dec 10 12:39:05 2019 -0800
committer Ryan Prichard <rprichard@google.com> Thu Jan 02 17:40:32 2020 -0800
tree fb69549731c33e1a5c924dbd5b775cc900a964fb
parent 84d00460df204a89c9a166a3c847d4359810abbc

Prelink each library only once

Previously, during a find_libraries call that loaded a library, a
library was prelinked once for each DT_NEEDED reference to the library.

This CL has a negligible effect on the linker relocation benchmark
(146.9ms -> 146.2ms).

Bug: none
Test: bionic unit tests
Change-Id: I385f312b8acf8d35aa0af9722131fe367b5edd9b

linker/linker_soinfo.h

diff --git a/linker/linker_soinfo.h b/linker/linker_soinfo.h
index dd3817c..1cb727c 100644
--- a/linker/linker_soinfo.h
+++ b/linker/linker_soinfo.h
@@ -63,6 +63,7 @@
                                          // destructor associated with this
                                          // soinfo is executed and this flag is
                                          // unset.
+#define FLAG_PRELINKED        0x00000400 // prelink_image has successfully processed this soinfo
 #define FLAG_NEW_SOINFO       0x40000000 // new soinfo format
 
 #define SOINFO_VERSION 5