StackIterator * si_create_from_native(VM_thread * thread) { ASSERT_NO_INTERPRETER // Allocate iterator StackIterator * si = (StackIterator *)STD_MALLOC(sizeof(StackIterator)); si_fill_from_native(si, thread); return si; }
// function can be safe point & should be called with disable reqursion = 1 void exn_athrow_regs(Registers * regs, Class_Handle exn_class, bool java_code, bool transfer_control) { assert(!hythread_is_suspend_enabled()); assert(exn_class); #ifndef _IPF_ M2nFrame *cur_m2nf = (M2nFrame *) STD_ALLOCA(m2n_get_size()); M2nFrame *unw_m2nf; ManagedObject *exn_obj = NULL; StackIterator *si; DebugUtilsTI* ti = VM_Global_State::loader_env->TI; VM_thread* vmthread = p_TLS_vmthread; if (java_code) m2n_push_suspended_frame(vmthread, cur_m2nf, regs); else // Gregory - // Initialize cur_m2nf pointer in case we've crashed in native code that is unwindable, // e.g. in the code that sets non-unwindable state for the native code area cur_m2nf = m2n_get_last_frame(); BEGIN_RAISE_AREA; si = (StackIterator*) STD_ALLOCA(si_size()); si_fill_from_native(si); ManagedObject *local_exn_obj = NULL; exn_obj = exn_propagate_exception(si, &local_exn_obj, exn_class, NULL, NULL, NULL); //free local handles ObjectHandles* last_m2n_frame_handles = m2n_get_local_handles(cur_m2nf); if (last_m2n_frame_handles) { free_local_object_handles2(last_m2n_frame_handles); } if (ti->get_global_capability(DebugUtilsTI::TI_GC_ENABLE_EXCEPTION_EVENT)) { VM_thread *thread = p_TLS_vmthread; NativeCodePtr callback = (NativeCodePtr) jvmti_exception_catch_callback; si_copy_to_registers(si, regs); vm_set_exception_registers(thread, *regs); si_set_callback(si, &callback); } else if (p_TLS_vmthread->restore_guard_page) { VM_thread *thread = p_TLS_vmthread; NativeCodePtr callback = (NativeCodePtr) exception_catch_callback; si_copy_to_registers(si, regs); vm_set_exception_registers(thread, *regs); si_set_callback(si, &callback); } si_copy_to_registers(si, regs); if (transfer_control) { // Let NCAI to continue single stepping in exception handler ncai_setup_signal_step(&vmthread->jvmti_thread, (NativeCodePtr)regs->get_ip()); set_exception_object_internal(exn_obj); si_transfer_control(si); assert(!"si_transfer_control should not return"); } unw_m2nf = si_get_m2n(si); //si_free(si); END_RAISE_AREA; set_exception_object_internal(exn_obj); m2n_set_last_frame(unw_m2nf); #endif } //exn_athrow_regs
void si_fill_from_native(StackIterator* si) { si_fill_from_native(si, p_TLS_vmthread); }
// function can be safe point & should be called with disable reqursion = 1 void exn_throw_for_JIT(ManagedObject* exn_obj, Class_Handle exn_class, Method_Handle exn_constr, U_8* jit_exn_constr_args, jvalue* vm_exn_constr_args) { /* * !!!! NO LOGGER IS ALLOWED IN THIS FUNCTION !!! * !!!! RELEASE BUILD WILL BE BROKEN !!! * !!!! NO TRACE2, INFO, WARN, ECHO, ASSERT, ... */ assert(!hythread_is_suspend_enabled()); if(exn_raised()) { return; } ASSERT_NO_INTERPRETER ASSERT_RAISE_AREA; if ((exn_obj == NULL) && (exn_class == NULL)) { exn_class = VM_Global_State::loader_env->java_lang_NullPointerException_Class; } ManagedObject* local_exn_obj = exn_obj; StackIterator* si = (StackIterator*) STD_ALLOCA(si_size()); si_fill_from_native(si); if (exn_raised()) { return; } #ifndef _IPF_ assert(is_gc_frame_before_m2n_frame()); #endif // _IPF_ assert(!exn_raised()); if (si_is_past_end(si)) { //FIXME LAZY EXCEPTION (2006.05.12) // should be replaced by lazy version set_exception_object_internal(local_exn_obj); return; } si_transfer_all_preserved_registers(si); assert(!exn_raised()); DebugUtilsTI* ti = VM_Global_State::loader_env->TI; exn_obj = exn_propagate_exception(si, &local_exn_obj, exn_class, exn_constr, jit_exn_constr_args, vm_exn_constr_args); if (exn_raised()) { //si_free(si); return; } M2nFrame* m2nFrame = m2n_get_last_frame(); ObjectHandles* last_m2n_frame_handles = m2n_get_local_handles(m2nFrame); if (last_m2n_frame_handles) { free_local_object_handles2(last_m2n_frame_handles); } set_exception_object_internal(exn_obj); if (ti->get_global_capability(DebugUtilsTI::TI_GC_ENABLE_EXCEPTION_EVENT)) { Registers regs = {0}; VM_thread *thread = p_TLS_vmthread; NativeCodePtr callback = (NativeCodePtr) jvmti_exception_catch_callback; si_copy_to_registers(si, ®s); vm_set_exception_registers(thread, regs); si_set_callback(si, &callback); } else if (p_TLS_vmthread->restore_guard_page) { Registers regs = {0}; VM_thread *thread = p_TLS_vmthread; NativeCodePtr callback = (NativeCodePtr) exception_catch_callback; si_copy_to_registers(si, ®s); vm_set_exception_registers(thread, regs); si_set_callback(si, &callback); } // don't put any call here si_transfer_control(si); } //exn_throw_for_JIT