From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- js/src/gdb/gdb-tests.cpp | 95 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 95 insertions(+) create mode 100644 js/src/gdb/gdb-tests.cpp (limited to 'js/src/gdb/gdb-tests.cpp') diff --git a/js/src/gdb/gdb-tests.cpp b/js/src/gdb/gdb-tests.cpp new file mode 100644 index 0000000000..28720747ab --- /dev/null +++ b/js/src/gdb/gdb-tests.cpp @@ -0,0 +1,95 @@ +/* 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 +#include +#include + +#include "gdb-tests.h" +#include "jsapi.h" +#include "jsfriendapi.h" +#include "js/Context.h" +#include "js/GlobalObject.h" +#include "js/Initialization.h" +#include "js/RealmOptions.h" +#include "js/Warnings.h" // JS::SetWarningReporter + +using namespace JS; + +/* The class of the global object. */ +static const JSClass global_class = {"global", JSCLASS_GLOBAL_FLAGS, + &DefaultGlobalClassOps}; + +static volatile int dontOptimizeMeAway = 0; + +void usePointer(const void* ptr) { dontOptimizeMeAway = 1; } + +template +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.c_str() : "", + (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); + + checkBool(JS::InitSelfHostedCode(cx)); + JS::SetWarningReporter(cx, reportWarning); + + /* Create the global object. */ + JS::RealmOptions options; + RootedObject global( + cx, checkPtr(JS_NewGlobalObject(cx, &global_class, nullptr, + JS::FireOnNewGlobalHook, options))); + JSAutoRealm ar(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; +} -- cgit v1.2.3