commit 5f45c18a7fd77a1a9daf453c6dea9fceddf0184c
author Peter Collingbourne <pcc@google.com> Tue Jan 14 17:59:41 2020 -0800
committer Peter Collingbourne <pcc@google.com> Mon Feb 03 10:30:45 2020 -0800
tree 0d37e47fa38981e5f895a290c3d09a834b60abd4
parent bdb678c9bdad161d033b236f261ba1cb299fada2

Add an android_unsafe_frame_pointer_chase function.

This function will be used by Scudo and GWP-ASan to efficiently collect
stack traces for frames built with frame pointers.

Bug: 135634846
Bug: 135772972
Change-Id: Ic63efdbafe11dfbb1226b5b4b403d53c4dbf28f3
Merged-In: Ic63efdbafe11dfbb1226b5b4b403d53c4dbf28f3

libc/libc.map.txt

diff --git a/libc/libc.map.txt b/libc/libc.map.txt
index 2ca4b21..54da02e 100644
--- a/libc/libc.map.txt
+++ b/libc/libc.map.txt
@@ -1707,6 +1707,7 @@
     android_gethostbyaddrfornetcontext;
     android_gethostbynamefornet;
     android_gethostbynamefornetcontext;
+    android_unsafe_frame_pointer_chase;
     arc4random_addrandom; # arm x86 mips
     arc4random_stir; # arm x86 mips
     atexit; # arm