Bug 1713271 - Capture the initial maps during static initialisation r=glandium

Differential Revision: https://phabricator.services.mozilla.com/D116339

memory/replace/logalloc/replay/Replay.cpp

@@ -621,6 +621,9 @@ class Replay {
     mStdErr = reinterpret_cast<intptr_t>(GetStdHandle(STD_ERROR_HANDLE));
 #else
     mStdErr = fileno(stderr);
+#endif
+#ifdef XP_LINUX
+    BuildInitialMapInfo();
 #endif
   }
 
@@ -1066,10 +1069,11 @@ class Replay {
 #endif  // XP_LINUX
 };
 
+static Replay replay;
+
 int main(int argc, const char* argv[]) {
   size_t first_pid = 0;
   FdReader reader(0);
-  Replay replay;
 
   for (int i = 1; i < argc; i++) {
     const char* option = argv[i];
@@ -1085,10 +1089,6 @@ int main(int argc, const char* argv[]) {
     }
   }
 
-#ifdef XP_LINUX
-  replay.BuildInitialMapInfo();
-#endif
-
   /* Read log from stdin and dispatch function calls to the Replay instance.
    * The log format is essentially:
    *   <pid> <tid> <function>([<args>])[=<result>]

memory/replace/logalloc/replay/moz.build

@@ -16,6 +16,9 @@ SOURCES += [
     "Replay.cpp",
 ]
 
+if CONFIG["OS_TARGET"] == "Linux":
+    LDFLAGS += ["-static-libstdc++"]
+
 if CONFIG["OS_TARGET"] == "Darwin":
     # Work around "warning: 'aligned_alloc' is only available on macOS 10.15 or newer"
     # when building with MACOSX_DEPLOYMENT_TARGET < 10.15 with >= 10.15 SDK.