dbc9e4b50c
8253816: Support macOS W^X 8253817: Support macOS Aarch64 ABI in Interpreter 8253818: Support macOS Aarch64 ABI for compiled wrappers 8253819: Implement os/cpu for macOS/AArch64 8253839: Update tests and JDK code for macOS/Aarch64 8254941: Implement Serviceability Agent for macOS/AArch64 8255776: Change build system for macOS/AArch64 8262903: [macos_aarch64] Thread::current() called on detached thread Co-authored-by: Vladimir Kempik <vkempik@openjdk.org> Co-authored-by: Bernhard Urban-Forster <burban@openjdk.org> Co-authored-by: Ludovic Henry <luhenry@openjdk.org> Co-authored-by: Monica Beckwith <mbeckwit@openjdk.org> Reviewed-by: erikj, ihse, prr, cjplummer, stefank, gziemski, aph, mbeckwit, luhenry
125 lines
3.3 KiB
C
125 lines
3.3 KiB
C
/*
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* Copyright (c) 2018, 2021, Oracle and/or its affiliates. All rights reserved.
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* Copyright (c) 2021, Azul Systems, Inc. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdbool.h>
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#include <string.h>
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#include "jni.h"
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#if defined(__APPLE__) && defined(__aarch64__)
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#include <pthread.h>
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#include <sys/mman.h>
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JavaVM* jvm;
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static void* codegen;
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static int thread_start2(int val) {
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JNIEnv *env;
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jclass class_id;
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jmethodID method_id;
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int res;
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printf("Native thread is running and attaching ...\n");
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res = (*jvm)->AttachCurrentThread(jvm, (void **)&env, NULL);
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if (res != JNI_OK) {
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fprintf(stderr, "Test ERROR. Can't attach current thread: %d\n", res);
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exit(1);
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}
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res = (*jvm)->DetachCurrentThread(jvm);
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if (res != JNI_OK) {
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fprintf(stderr, "Test ERROR. Can't detach current thread: %d\n", res);
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exit(1);
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}
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printf("Native thread is about to finish\n");
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return 1 + val;
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}
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static int trampoline(int(*fn)(int), int arg) {
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int val = fn(arg);
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// ensure code in MAP_JIT area after target function returns
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return 1 + val;
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}
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static void * thread_start(void* unused) {
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int val = ((int(*)(int(*)(int),int))codegen)(thread_start2, 10);
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printf("return val = %d\n", val);
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return NULL;
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}
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JNIEXPORT void JNICALL
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Java_TestCodegenAttach_testCodegenAttach
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(JNIEnv *env, jclass cls) {
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codegen = mmap(NULL, 0x1000,
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PROT_READ | PROT_WRITE | PROT_EXEC,
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MAP_PRIVATE | MAP_ANONYMOUS | MAP_JIT, -1, 0);
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if (codegen == MAP_FAILED) {
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perror("mmap");
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exit(1);
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}
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pthread_jit_write_protect_np(false);
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memcpy(codegen, trampoline, 128);
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pthread_jit_write_protect_np(true);
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pthread_t thread;
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int res = (*env)->GetJavaVM(env, &jvm);
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if (res != JNI_OK) {
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fprintf(stderr, "Test ERROR. Can't extract JavaVM: %d\n", res);
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exit(1);
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}
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if ((res = pthread_create(&thread, NULL, thread_start, NULL)) != 0) {
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fprintf(stderr, "TEST ERROR: pthread_create failed: %s (%d)\n", strerror(res), res);
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exit(1);
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}
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if ((res = pthread_join(thread, NULL)) != 0) {
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fprintf(stderr, "TEST ERROR: pthread_join failed: %s (%d)\n", strerror(res), res);
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exit(1);
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}
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}
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#else
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JNIEXPORT void JNICALL
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Java_TestCodegenAttach_testCodegenAttach
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(JNIEnv *env, jclass cls) {
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printf("should not reach here\n");
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exit(1);
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}
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#endif // __APPLE__ && __aarch64__
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