commit 6f3981c181677830c33093411b51ad6b0bf2e337
author Christopher Ferris <cferris@google.com> Thu Jul 27 09:29:18 2017 -0700
committer Christopher Ferris <cferris@google.com> Thu Aug 03 10:15:44 2017 -0700
tree 35ea042367a3e9462346d78ba86e8be397b77edb
parent 5c655991f51e63f4264619293b393a2c6bddb1fa

Add support for the new unwind method.

Also add a comment to the GetElf function to indicate that it never returns
nullptr.

Also needed to add this library to the a million and one places that the vndk
has hard-coded this data.

Bug: 23762183

Test: Built, nothing uses the new code.
Test: However, I did run backtrace_test using this code, and all tests pass.
Change-Id: Ib270665dcb7a7607075e36d88be76dbde6e2faa8
(cherry picked from commit dc4104b720c7fd2014ccfa9fa621d02df58a43c4)

libbacktrace/Android.bp

diff --git a/libbacktrace/Android.bp b/libbacktrace/Android.bp
index e02aaf2..c58d777 100644
--- a/libbacktrace/Android.bp
+++ b/libbacktrace/Android.bp
@@ -53,6 +53,8 @@
     "UnwindCurrent.cpp",
     "UnwindMap.cpp",
     "UnwindPtrace.cpp",
+    "UnwindStack.cpp",
+    "UnwindStackMap.cpp",
 ]
 
 cc_library_headers {
@@ -84,6 +86,7 @@
                 "libbase",
                 "liblog",
                 "libunwind",
+                "libunwindstack",
             ],
 
             static_libs: ["libcutils"],
@@ -97,6 +100,7 @@
                 "libbase",
                 "liblog",
                 "libunwind",
+                "libunwindstack",
             ],
 
             static_libs: ["libcutils"],
@@ -108,6 +112,7 @@
                 "libbase",
                 "liblog",
                 "libunwind",
+                "libunwindstack",
             ],
 
             static_libs: ["libasync_safe", "libcutils"],
@@ -130,11 +135,13 @@
         linux: {
             shared_libs: [
                 "libunwind",
+                "libunwindstack",
             ],
         },
         android: {
             shared_libs: [
                 "libunwind",
+                "libunwindstack",
             ],
         },
     }
@@ -161,6 +168,7 @@
     shared_libs = [
         "libbase",
         "libunwind",
+        "libunwindstack",
         "libziparchive",
     ],
 }
@@ -192,6 +200,7 @@
         "libcutils",
         "liblog",
         "libunwind",
+        "libunwindstack",
     ],
 
     group_static_libs: true,