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authorJari Vetoniemi <mailroxas@gmail.com>2018-02-18 17:31:00 +0200
committerJari Vetoniemi <mailroxas@gmail.com>2018-02-18 17:31:00 +0200
commitcd18b8599ce870fc04cdb44fbf5e6ec50d9004e6 (patch)
tree2caf22c9f933c7e7594d882243235be6fcb16472 /src/fakejvm
parentc00c2f8af64bfe178af593355b20c20008cf0385 (diff)
jvm: add some asserts and debug prints
Diffstat (limited to 'src/fakejvm')
-rw-r--r--src/fakejvm/jvm.c27
1 files changed, 24 insertions, 3 deletions
diff --git a/src/fakejvm/jvm.c b/src/fakejvm/jvm.c
index f322910..50a294f 100644
--- a/src/fakejvm/jvm.c
+++ b/src/fakejvm/jvm.c
@@ -56,6 +56,8 @@ JNIEnv_DefineClass(JNIEnv* p0, const char* p1, jobject p2, const jbyte* p3, jsiz
static jclass
JNIEnv_FindClass(JNIEnv* p0, const char* p1)
{
+ assert(p0 && p1);
+ printf("%s\n", p1);
struct jclass *class = malloc(sizeof(struct jclass));
class->name = strdup(p1);
return class;
@@ -203,6 +205,8 @@ JNIEnv_NewObjectA(JNIEnv* p0, jclass p1, jmethodID p2, jvalue* p3)
static jclass
JNIEnv_GetObjectClass(JNIEnv* env, jobject p1)
{
+ assert(p1);
+ printf("%p\n", p1);
return 0;
}
@@ -225,6 +229,7 @@ jnienv_make_method(jclass clazz, const char *name, const char *sig)
static jmethodID
JNIEnv_GetMethodID(JNIEnv* p0, jclass clazz, const char* name, const char* sig)
{
+ printf("%s::%s\n", name, sig);
return jnienv_make_method(clazz, name, sig);
}
@@ -237,6 +242,9 @@ JNIEnv_CallObjectMethod(JNIEnv* p0, jobject p1, jmethodID p2, ...)
static jobject
JNIEnv_CallObjectMethodV(JNIEnv *env, jobject p1, jmethodID p2, va_list p3)
{
+ struct _jmethodID *method = p2;
+ struct jclass *class = method->clazz;
+ printf("%s::%s\n", (class ? class->name : "(null)"), method->name);
return NULL;
}
@@ -697,6 +705,7 @@ JNIEnv_SetDoubleField(JNIEnv* p0, jobject p1, jfieldID p2, jdouble p3)
static jmethodID
JNIEnv_GetStaticMethodID(JNIEnv* p0, jclass clazz, const char* name, const char* sig)
{
+ printf("%s::%s\n", name, sig);
return jnienv_make_method(clazz, name, sig);
}
@@ -709,6 +718,9 @@ JNIEnv_CallStaticObjectMethod(JNIEnv* p0, jclass p1, jmethodID p2, ...)
static jobject
JNIEnv_CallStaticObjectMethodV(JNIEnv* p0, jclass p1, jmethodID p2, va_list p3)
{
+ struct _jmethodID *method = p2;
+ struct jclass *class = method->clazz;
+ printf("%s::%s\n", (class ? class->name : "(null)"), method->name);
return NULL;
}
@@ -1356,22 +1368,24 @@ jnienv_register_jvm_native_method(JNIEnv *env, const char *klass, const char *me
jvm->methods[i].klass = strdup(klass);
jvm->methods[i].method = strdup(method);
jvm->methods[i].function = function;
+ printf("%s::%s\n", klass, method);
}
static jint
JNIEnv_RegisterNatives(JNIEnv* p0, jclass p1, const JNINativeMethod* p2, jint p3)
{
+ assert(p0 && p1);
const struct jclass *clazz = (struct jclass*)p1;
const JNINativeMethod *method = p2;
- for (int i = 0; i < p3; ++i, ++method) {
+ for (int i = 0; i < p3; ++i, ++method)
jnienv_register_jvm_native_method(p0, clazz->name, method->name, method->fnPtr);
- }
return 0;
}
static jint
JNIEnv_UnregisterNatives(JNIEnv* p0, jclass p1)
{
+ assert(p0 && p1);
const struct jclass *klass = (struct jclass*)p1;
struct jvm *jvm = jnienv_get_jvm(p0);
for (size_t i = 0; i < ARRAY_SIZE(jvm->methods) && jvm->methods[i].function; ++i) {
@@ -1474,17 +1488,19 @@ JNIEnv_GetDirectBufferCapacity(JNIEnv* p0, jobject p1)
const char*
JNIEnv_GetStringUTFChars(JNIEnv *env, jstring string, jboolean *isCopy)
{
+ assert(env);
+
if (!string)
return strdup("");
struct jstring *str = (struct jstring*)string;
-
return str->data;
}
static void
JNIEnv_ReleaseStringUTFChars(JNIEnv *env, jstring string, const char *utf)
{
+ assert(env && string);
free((void*)utf);
}
@@ -1735,12 +1751,14 @@ env_init(JNIEnv *env, struct JNINativeInterface *native)
static jint
JavaVM_DestroyJavaVM(JavaVM *vm)
{
+ assert(vm);
return JNI_OK;
}
static jint
JavaVM_AttachCurrentThread(JavaVM *vm, JNIEnv **env, void *args)
{
+ assert(vm && env);
*env = &javavm_get_jvm(vm)->env;
return JNI_OK;
}
@@ -1748,12 +1766,14 @@ JavaVM_AttachCurrentThread(JavaVM *vm, JNIEnv **env, void *args)
static jint
JavaVM_DetachCurrentThread(JavaVM *vm)
{
+ assert(vm);
return JNI_OK;
}
static jint
JavaVM_GetEnv(JavaVM *vm, void **env, jint version)
{
+ assert(vm && env);
*env = &javavm_get_jvm(vm)->env;
return JNI_OK;
}
@@ -1761,6 +1781,7 @@ JavaVM_GetEnv(JavaVM *vm, void **env, jint version)
static jint
JavaVM_AttachCurrentThreadAsDaemon(JavaVM *vm, JNIEnv **env, void *args)
{
+ assert(vm && env);
*env = &javavm_get_jvm(vm)->env;
return JNI_OK;
}