C++ (Cpp) jsdlw_UserCodeAtPC Examples

Example #1

File: jsd_scpt.cpp Project: RickEyre/mozilla-central

JSTrapStatus
jsd_TrapHandler(JSContext *cx, JSScript *script_, jsbytecode *pc, jsval *rval,
                jsval closure)
{
    JS::RootedScript script(cx, script_);
    JSDExecHook* jsdhook = (JSDExecHook*) JSVAL_TO_PRIVATE(closure);
    JSD_ExecutionHookProc hook;
    void* hookData;
    JSDContext*  jsdc;
    JSDScript* jsdscript;

    JSD_LOCK();

    if( NULL == (jsdc = jsd_JSDContextForJSContext(cx)) ||
        ! _isActiveHook(jsdc, script, jsdhook) )
    {
        JSD_UNLOCK();
        return JSTRAP_CONTINUE;
    }

    JSD_ASSERT_VALID_EXEC_HOOK(jsdhook);
    JS_ASSERT(!jsdhook->pc || jsdhook->pc == (uintptr_t)pc);
    JS_ASSERT(jsdhook->jsdscript->script == script);
    JS_ASSERT(jsdhook->jsdscript->jsdc == jsdc);

    hook = jsdhook->hook;
    hookData = jsdhook->callerdata;
    jsdscript = jsdhook->jsdscript;

    /* do not use jsdhook-> after this point */
    JSD_UNLOCK();

    if( ! jsdc || ! jsdc->inited )
        return JSTRAP_CONTINUE;

    if( JSD_IS_DANGEROUS_THREAD(jsdc) )
        return JSTRAP_CONTINUE;

#ifdef LIVEWIRE
    if( ! jsdlw_UserCodeAtPC(jsdc, jsdscript, (uintptr_t)pc) )
        return JSTRAP_CONTINUE;
#endif

    return jsd_CallExecutionHook(jsdc, cx, JSD_HOOK_BREAKPOINT,
                                 hook, hookData, rval);
}

Example #2

File: jsd_hook.cpp Project: JSilver99/mozilla-central

JSTrapStatus
jsd_InterruptHandler(JSContext *cx, JSScript *script, jsbytecode *pc, jsval *rval,
                     void *closure)
{
    JSDScript*      jsdscript;
    JSDContext*     jsdc = (JSDContext*) closure;
    JSD_ExecutionHookProc hook;
    void*                 hookData;

    if( ! jsdc || ! jsdc->inited )
        return JSTRAP_CONTINUE;

    if( JSD_IS_DANGEROUS_THREAD(jsdc) )
        return JSTRAP_CONTINUE;

    /* local in case jsdc->interruptHook gets cleared on another thread */
    JSD_LOCK();
    hook     = jsdc->interruptHook;
    hookData = jsdc->interruptHookData;
    JSD_UNLOCK();

    if (!hook)
        return JSTRAP_CONTINUE;
    
    JSD_LOCK_SCRIPTS(jsdc);
    jsdscript = jsd_FindOrCreateJSDScript(jsdc, cx, script, JSNullFramePtr());
    JSD_UNLOCK_SCRIPTS(jsdc);
    if( ! jsdscript )
        return JSTRAP_CONTINUE;

#ifdef LIVEWIRE
    if( ! jsdlw_UserCodeAtPC(jsdc, jsdscript, (uintptr_t)pc) )
        return JSTRAP_CONTINUE;
#endif

    return jsd_CallExecutionHook(jsdc, cx, JSD_HOOK_INTERRUPTED,
                                 hook, hookData, rval);
}