gdb-tests.cpp
/* 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"
using namespace JS;
/* The class of the global object. */
const JSClass global_class = {
"global", JSCLASS_GLOBAL_FLAGS,
nullptr, nullptr, nullptr, nullptr,
nullptr, nullptr, nullptr, nullptr,
nullptr, nullptr, nullptr, nullptr,
JS_GlobalObjectTraceHook
};
template<typename T>
static inline T*
checkPtr(T* ptr)
{
if (! ptr)
abort();
return ptr;
}
static void
checkBool(bool success)
{
if (! success)
abort();
}
/* The error reporter callback. */
void reportError(JSContext* cx, const char* message, JSErrorReport* report)
{
fprintf(stderr, "%s:%u: %s\n",
report->filename ? report->filename : "<no filename>",
(unsigned int) report->lineno,
message);
}
// 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;
JSRuntime* runtime = checkPtr(JS_NewRuntime(1024 * 1024));
JS_SetGCParameter(runtime, JSGC_MAX_BYTES, 0xffffffff);
JS_SetNativeStackQuota(runtime, 5000000);
JSContext* cx = checkPtr(JS_NewContext(runtime, 8192));
JS_SetErrorReporter(runtime, reportError);
JSAutoRequest ar(cx);
/* Create the global object. */
JS::CompartmentOptions options;
options.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;
}