tag 293ff63dca2cfb3e6483183346abe5a1405c51d4
tagger The Android Open Source Project <initial-contribution@android.com> Fri Jun 02 15:08:21 2017 -0700
object f7eef920b5a22f5e1635ed61c703b6400758436a

Android 7.1.2 Release 16 (NJH34C)

commit f7eef920b5a22f5e1635ed61c703b6400758436a
author Christopher Ferris <cferris@google.com> Fri Dec 02 10:22:45 2016 -0800
committer Christopher Ferris <cferris@google.com> Mon Dec 05 07:54:14 2016 -0800
tree f201eba89c88f8bcdc0a178d51c99d374da45990
parent d35224ff189bf5fed77bfcc36c790c8dd205d0e0

Move large structure off the stack.

The struct unw_addr_space is very large (at least 13624 bytes on arm),
but is on the stack in the function map_create_list.

Allocate this function when needed instead of putting it on the stack.

Bug: 33293182

Test: Built and ran backtrace_test on an angler. Stepped through the
Test: modified code and verified it is called and allocated properly.
Test: Ran valgrind on the backtrace_test.local_trace to verify that
Test: the memory is not leaked.
Change-Id: I298e72d6b87d2701111c4659c46246b308f275e9
(cherry picked from commit 50270d3ef2127372c0ae6aefd9be255ab901f573)