Add m-esr52 at 52.6.0

1 files changed, 109 insertions, 0 deletions

diff --git a/js/src/gdb/gdb-tests.cpp b/js/src/gdb/gdb-tests.cpp
new file mode 100644
index 000000000..5523222b9
--- /dev/null
+++ b/js/src/gdb/gdb-tests.cpp
@@ -0,0 +1,109 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "gdb-tests.h"
+#include "jsapi.h"
+#include "jsfriendapi.h"
+#include "js/Initialization.h"
+
+using namespace JS;
+
+static const JSClassOps global_classOps = {
+    nullptr, nullptr, nullptr, nullptr,
+    nullptr, nullptr, nullptr, nullptr,
+    nullptr, nullptr, nullptr,
+    JS_GlobalObjectTraceHook
+};
+
+/* The class of the global object. */
+static const JSClass global_class = {
+    "global", JSCLASS_GLOBAL_FLAGS,
+    &global_classOps
+};
+
+template<typename T>
+static inline T*
+checkPtr(T* ptr)
+{
+  if (! ptr)
+    abort();
+  return ptr;
+}
+
+static void
+checkBool(bool success)
+{
+  if (! success)
+    abort();
+}
+
+/* The warning reporter callback. */
+void reportWarning(JSContext* cx, JSErrorReport* report)
+{
+    fprintf(stderr, "%s:%u: %s\n",
+            report->filename ? report->filename : "<no filename>",
+            (unsigned int) report->lineno,
+            report->message().c_str());
+}
+
+// prologue.py sets a breakpoint on this function; test functions can call it
+// to easily return control to GDB where desired.
+void breakpoint() {
+    // If we leave this function empty, the linker will unify it with other
+    // empty functions throughout SpiderMonkey. If we then set a GDB
+    // breakpoint on it, that breakpoint will hit at all sorts of random
+    // times. So make it perform a distinctive side effect.
+    fprintf(stderr, "Called " __FILE__ ":breakpoint\n");
+}
+
+GDBFragment* GDBFragment::allFragments = nullptr;
+
+int
+main(int argc, const char** argv)
+{
+    if (!JS_Init()) return 1;
+    JSContext* cx = checkPtr(JS_NewContext(1024 * 1024));
+
+    JS_SetGCParameter(cx, JSGC_MAX_BYTES, 0xffffffff);
+    JS_SetNativeStackQuota(cx, 5000000);
+
+    checkBool(JS::InitSelfHostedCode(cx));
+    JS::SetWarningReporter(cx, reportWarning);
+
+    JSAutoRequest ar(cx);
+
+    /* Create the global object. */
+    JS::CompartmentOptions options;
+    options.behaviors().setVersion(JSVERSION_LATEST);
+
+    RootedObject global(cx, checkPtr(JS_NewGlobalObject(cx, &global_class,
+                        nullptr, JS::FireOnNewGlobalHook, options)));
+    JSAutoCompartment ac(cx, global);
+
+    /* Populate the global object with the standard globals,
+       like Object and Array. */
+    checkBool(JS_InitStandardClasses(cx, global));
+
+    argv++;
+    while (*argv) {
+        const char* name = *argv++;
+        GDBFragment* fragment;
+        for (fragment = GDBFragment::allFragments; fragment; fragment = fragment->next) {
+            if (strcmp(fragment->name(), name) == 0) {
+                fragment->run(cx, argv);
+                break;
+            }
+        }
+        if (!fragment) {
+            fprintf(stderr, "Unrecognized fragment name: %s\n", name);
+            exit(1);
+        }
+    }
+
+    return 0;
+}