Revert "Revert "Revert "Revert "Add BacktraceOffline for offline backtracing.""""

This reverts commit 94ece83270deca76c69f5755f8c0ff5c859341fd.

Change-Id: Ie06465c89a5fc115517130f9f2904cc855973155

1 files changed, 10 insertions, 0 deletions

diff --git a/libbacktrace/BacktraceMap.cpp b/libbacktrace/BacktraceMap.cpp
index ca47f6781..eac20fe29 100644
--- a/libbacktrace/BacktraceMap.cpp
+++ b/libbacktrace/BacktraceMap.cpp
@@ -144,3 +144,13 @@ BacktraceMap* BacktraceMap::Create(pid_t pid, bool /*uncached*/) {
   return map;
 }
 #endif
+
+BacktraceMap* BacktraceMap::Create(pid_t pid, const std::vector<backtrace_map_t>& maps) {
+    BacktraceMap* backtrace_map = new BacktraceMap(pid);
+    backtrace_map->maps_.insert(backtrace_map->maps_.begin(), maps.begin(), maps.end());
+    std::sort(backtrace_map->maps_.begin(), backtrace_map->maps_.end(),
+            [](const backtrace_map_t& map1, const backtrace_map_t& map2) {
+              return map1.start < map2.start;
+            });
+    return backtrace_map;
+}