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author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
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committer | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
commit | 1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch) | |
tree | c607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/libjava/jni-libjvm.cc | |
parent | 283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff) | |
download | toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2 toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip |
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/libjava/jni-libjvm.cc')
-rw-r--r-- | gcc-4.9/libjava/jni-libjvm.cc | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/gcc-4.9/libjava/jni-libjvm.cc b/gcc-4.9/libjava/jni-libjvm.cc new file mode 100644 index 000000000..1833eb7f3 --- /dev/null +++ b/gcc-4.9/libjava/jni-libjvm.cc @@ -0,0 +1,89 @@ +// jni-libjvm.cc - an implementation of the JNI invocation API. + +/* Copyright (C) 2006 Free Software Foundation + + This file is part of libgcj. + +This software is copyrighted work licensed under the terms of the +Libgcj License. Please consult the file "LIBGCJ_LICENSE" for +details. */ + +#include <gcj/cni.h> +#include <gcj/javaprims.h> +#include <java-assert.h> +#include <jvm.h> +#include <jni.h> + +using namespace gcj; + +// Forward declarations. +extern struct JNIInvokeInterface_ _Jv_JNI_InvokeFunctions; +extern jint JNICALL _Jv_JNI_AttachCurrentThread (JavaVM *vm, + void **penv, void *args); +extern JavaVM *_Jv_the_vm; + +jint JNICALL +JNI_GetDefaultJavaVMInitArgs (void *args) +{ + jint version = * (jint *) args; + // Here we only support 1.2 and 1.4. + if (version != JNI_VERSION_1_2 && version != JNI_VERSION_1_4) + return JNI_EVERSION; + + JavaVMInitArgs *ia = reinterpret_cast<JavaVMInitArgs *> (args); + ia->version = JNI_VERSION_1_4; + ia->nOptions = 0; + ia->options = NULL; + ia->ignoreUnrecognized = true; + + return 0; +} + +jint JNICALL +JNI_CreateJavaVM (JavaVM **vm, void **penv, void *args) +{ + JvAssert (! _Jv_the_vm); + + jint version = * (jint *) args; + // We only support 1.2 and 1.4. + if (version != JNI_VERSION_1_2 && version != JNI_VERSION_1_4) + return JNI_EVERSION; + + JvVMInitArgs* vm_args = reinterpret_cast<JvVMInitArgs *> (args); + + jint result = _Jv_CreateJavaVM (vm_args); + if (result) + return result; + + // FIXME: synchronize + JavaVM *nvm = (JavaVM *) _Jv_MallocUnchecked (sizeof (JavaVM)); + if (nvm == NULL) + return JNI_ERR; + nvm->functions = &_Jv_JNI_InvokeFunctions; + + jint r =_Jv_JNI_AttachCurrentThread (nvm, penv, NULL); + if (r < 0) + return r; + + _Jv_the_vm = nvm; + *vm = _Jv_the_vm; + + return 0; +} + +jint JNICALL +JNI_GetCreatedJavaVMs (JavaVM **vm_buffer, jsize buf_len, jsize *n_vms) +{ + if (buf_len <= 0) + return JNI_ERR; + + // We only support a single VM. + if (_Jv_the_vm != NULL) + { + vm_buffer[0] = _Jv_the_vm; + *n_vms = 1; + } + else + *n_vms = 0; + return 0; +} |