1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/js/src/gdb/gdb-tests.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,104 @@
1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.7 +
1.8 +#include <stdio.h>
1.9 +#include <stdlib.h>
1.10 +#include <string.h>
1.11 +
1.12 +#include "gdb-tests.h"
1.13 +#include "jsapi.h"
1.14 +#include "jsfriendapi.h"
1.15 +
1.16 +using namespace JS;
1.17 +
1.18 +/* The class of the global object. */
1.19 +const JSClass global_class = {
1.20 + "global", JSCLASS_GLOBAL_FLAGS,
1.21 + JS_PropertyStub, JS_DeletePropertyStub, JS_PropertyStub, JS_StrictPropertyStub,
1.22 + JS_EnumerateStub, JS_ResolveStub, JS_ConvertStub,
1.23 + nullptr, nullptr, nullptr, nullptr,
1.24 + JS_GlobalObjectTraceHook
1.25 +};
1.26 +
1.27 +template<typename T>
1.28 +static inline T *
1.29 +checkPtr(T *ptr)
1.30 +{
1.31 + if (! ptr)
1.32 + abort();
1.33 + return ptr;
1.34 +}
1.35 +
1.36 +static void
1.37 +checkBool(bool success)
1.38 +{
1.39 + if (! success)
1.40 + abort();
1.41 +}
1.42 +
1.43 +/* The error reporter callback. */
1.44 +void reportError(JSContext *cx, const char *message, JSErrorReport *report)
1.45 +{
1.46 + fprintf(stderr, "%s:%u: %s\n",
1.47 + report->filename ? report->filename : "<no filename>",
1.48 + (unsigned int) report->lineno,
1.49 + message);
1.50 +}
1.51 +
1.52 +// prolog.py sets a breakpoint on this function; test functions can call it
1.53 +// to easily return control to GDB where desired.
1.54 +void breakpoint() {
1.55 + // If we leave this function empty, the linker will unify it with other
1.56 + // empty functions throughout SpiderMonkey. If we then set a GDB
1.57 + // breakpoint on it, that breakpoint will hit at all sorts of random
1.58 + // times. So make it perform a distinctive side effect.
1.59 + fprintf(stderr, "Called " __FILE__ ":breakpoint\n");
1.60 +}
1.61 +
1.62 +GDBFragment *GDBFragment::allFragments = nullptr;
1.63 +
1.64 +int
1.65 +main (int argc, const char **argv)
1.66 +{
1.67 + if (!JS_Init()) return 1;
1.68 + JSRuntime *runtime = checkPtr(JS_NewRuntime(1024 * 1024, JS_USE_HELPER_THREADS));
1.69 + JS_SetGCParameter(runtime, JSGC_MAX_BYTES, 0xffffffff);
1.70 + JS_SetNativeStackQuota(runtime, 5000000);
1.71 +
1.72 + JSContext *cx = checkPtr(JS_NewContext(runtime, 8192));
1.73 + JS_SetErrorReporter(cx, reportError);
1.74 +
1.75 + JSAutoRequest ar(cx);
1.76 +
1.77 + /* Create the global object. */
1.78 + JS::CompartmentOptions options;
1.79 + options.setVersion(JSVERSION_LATEST);
1.80 + RootedObject global(cx, checkPtr(JS_NewGlobalObject(cx, &global_class,
1.81 + nullptr, JS::FireOnNewGlobalHook, options)));
1.82 + js::SetDefaultObjectForContext(cx, global);
1.83 +
1.84 + JSAutoCompartment ac(cx, global);
1.85 +
1.86 + /* Populate the global object with the standard globals,
1.87 + like Object and Array. */
1.88 + checkBool(JS_InitStandardClasses(cx, global));
1.89 +
1.90 + argv++;
1.91 + while (*argv) {
1.92 + const char *name = *argv++;
1.93 + GDBFragment *fragment;
1.94 + for (fragment = GDBFragment::allFragments; fragment; fragment = fragment->next) {
1.95 + if (strcmp(fragment->name(), name) == 0) {
1.96 + fragment->run(cx, argv);
1.97 + break;
1.98 + }
1.99 + }
1.100 + if (!fragment) {
1.101 + fprintf(stderr, "Unrecognized fragment name: %s\n", name);
1.102 + exit(1);
1.103 + }
1.104 + }
1.105 +
1.106 + return 0;
1.107 +}
