commit 414df3e583c21023a22a11b64e703cd4ab38b29a
author Yabin Cui <yabinc@google.com> Wed Mar 14 18:16:22 2018 -0700
committer Christopher Ferris <cferris@google.com> Mon Mar 19 11:11:19 2018 -0700
tree d5b85e94fd4df26e08236d430b73c5a0fd06eb02
parent 8dca85f0c81e18e73aad914c0c22c111ecfd32bc

Always set the sp reg to the cfa for DWARF.

There are a few places where it is assumed that this register is
set to the cfa value when interpreting DWARF information.

Add a testcase for unwinding art_quick_osr_stub on ARM.

Bug: 73954823

Test: Ran libunwindstack/libbacktrace unit tests.
Test: Random debuggerd -b of process on a hikey.
Test: Ran the 137 art test on host.
Change-Id: Ida6ccdc38c3cfeea6b57fe861a0cc127b150b790
(cherry picked from commit 11e96fe48a74e6ab97d4de899684d3a61a9d1129)

libunwindstack/Android.bp

diff --git a/libunwindstack/Android.bp b/libunwindstack/Android.bp
index 124c70e..ab01726 100644
--- a/libunwindstack/Android.bp
+++ b/libunwindstack/Android.bp
@@ -253,6 +253,7 @@
     data: [
         "tests/files/elf32.xz",
         "tests/files/elf64.xz",
+        "tests/files/offline/art_quick_osr_stub_arm/*",
         "tests/files/offline/bad_eh_frame_hdr_arm64/*",
         "tests/files/offline/debug_frame_first_x86/*",
         "tests/files/offline/eh_frame_hdr_begin_x86_64/*",