Add the record alloc option.

This option adds the ability to record all of the allocation requests
and dump them to a file when a signal is sent to the process.

Included in this change, redo the option processing to add a new
string option.

Bug: 27747898

Change-Id: Ida043362e38b5eb1d459c99db9c2581015dab366

1 files changed, 7 insertions, 0 deletions

diff --git a/libc/malloc_debug/DebugData.cpp b/libc/malloc_debug/DebugData.cpp
index 58cbbcb47..fdc28100f 100644
--- a/libc/malloc_debug/DebugData.cpp
+++ b/libc/malloc_debug/DebugData.cpp
@@ -77,6 +77,13 @@ bool DebugData::Initialize() {
     }
   }
 
+  if (config_.options & RECORD_ALLOCS) {
+    record.reset(new RecordData());
+    if (!record->Initialize(config_)) {
+      return false;
+    }
+  }
+
   if (config_.options & EXPAND_ALLOC) {
     extra_bytes_ += config_.expand_alloc_bytes;
   }