add nbody-java code

1 files changed, 116 insertions, 0 deletions

diff --git a/tests/nbody-java/native_java_lang_System.c b/tests/nbody-java/native_java_lang_System.c
new file mode 100644
index 00000000..861781ca
--- /dev/null
+++ b/tests/nbody-java/native_java_lang_System.c
@@ -0,0 +1,116 @@
+
+#include "xmlvm.h"
+#include "java_lang_System.h"
+
+
+//XMLVM_BEGIN_NATIVE_IMPLEMENTATION
+#include <locale.h>
+#include <sys/time.h>
+#include "java_lang_String.h"
+
+//From HARMONY/classlib/modules/luni/src/main/native/luni/shared/luniglob.c
+#define CHARSETBUFF 64
+
+//From HARMONY/classlib/modules/luni/src/main/native/luni/unix/helpers.c
+void getOSCharset(char *locale, const size_t size) {
+    char * codec = NULL;
+    size_t cur = 0;
+    short flag = 0;
+    setlocale(LC_CTYPE, "");
+    codec = setlocale(LC_CTYPE, NULL);
+    // get codeset from language[_territory][.codeset][@modifier]
+    while (*codec) {
+        if (!flag) {
+            if (*codec != '.') {
+                codec++;
+                continue;
+            } else {
+                flag = 1;
+                codec++;
+            }
+        } else {
+            if (*codec == '@') {
+                break;
+            } else {
+                locale[cur++] = (*codec);
+                codec++;
+                if (cur >= size) {
+                    // Not enough size
+                    cur = 0;
+                    break;
+                }
+            }
+        }
+    }
+    locale[cur] = '\0';
+    if (!strlen(locale)) {
+        strcpy(locale, "8859_1");
+    }
+    return;
+}
+
+//XMLVM_END_NATIVE_IMPLEMENTATION
+
+void java_lang_System_initNativeLayer__()
+{
+    //XMLVM_BEGIN_NATIVE[java_lang_System_initNativeLayer__]
+    // Nothing to be done
+    //XMLVM_END_NATIVE
+}
+
+JAVA_LONG java_lang_System_currentTimeMillis__()
+{
+    //XMLVM_BEGIN_NATIVE[java_lang_System_currentTimeMillis__]
+    struct timeval now;
+    gettimeofday(&now, NULL);
+
+    JAVA_LONG msec = ((JAVA_LONG) now.tv_sec) * 1000;
+    msec += now.tv_usec / 1000;
+
+    return msec;
+    //XMLVM_END_NATIVE
+}
+
+JAVA_LONG java_lang_System_nanoTime__()
+{
+    //XMLVM_BEGIN_NATIVE[java_lang_System_nanoTime__]
+    //TODO implement
+    return java_lang_System_nanoTime__() * 1000000L;
+    //XMLVM_END_NATIVE
+}
+
+void java_lang_System_nativeExit___int(JAVA_INT n1)
+{
+    //XMLVM_BEGIN_NATIVE[java_lang_System_nativeExit___int]
+    exit(n1);
+    //XMLVM_END_NATIVE
+}
+
+JAVA_OBJECT java_lang_System_getPropertyList__()
+{
+    //XMLVM_BEGIN_NATIVE[java_lang_System_getPropertyList__]
+    return XMLVMArray_createSingleDimension(__CLASS_java_lang_String, 0);
+    //XMLVM_END_NATIVE
+}
+
+JAVA_OBJECT java_lang_System_getEncoding___int(JAVA_INT n1)
+{
+    //XMLVM_BEGIN_NATIVE[java_lang_System_getEncoding___int]
+    //Get charset from the OS
+#ifdef EMSCRIPTEN
+	return xmlvm_create_java_string("UTF-8");
+#else
+    char charset[CHARSETBUFF];
+    getOSCharset(charset, CHARSETBUFF);
+    return xmlvm_create_java_string(charset);
+#endif
+    //XMLVM_END_NATIVE
+}
+
+JAVA_INT java_lang_System_identityHashCode___java_lang_Object(JAVA_OBJECT n1)
+{
+    //XMLVM_BEGIN_NATIVE[java_lang_System_identityHashCode___java_lang_Object]
+    return (JAVA_INT) n1;
+    //XMLVM_END_NATIVE
+}
+