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comparison src/share/vm/graal/graalCompilerToVM.hpp @ 5747:120820e30baa

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added basic high-level interpreter support to HotSpot
author Christian Haeubl <haeubl@ssw.jku.at>
date Tue, 03 Jul 2012 16:56:40 +0200
parents bcbb918f5ac6
children e522a00b91aa
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5746:17d2c3b72762 5747:120820e30baa
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any 20 * or visit www.oracle.com if you need additional information or have any
21 * questions. 21 * questions.
22 */ 22 */
23 23
24 #ifndef SHARE_VM_GRAAL_GRAAL_COMPILER_TO_VM_HPP
25 #define SHARE_VM_GRAAL_GRAAL_COMPILER_TO_VM_HPP
26
24 #include "prims/jni.h" 27 #include "prims/jni.h"
25 28
26 extern JNINativeMethod CompilerToVM_methods[]; 29 extern JNINativeMethod CompilerToVM_methods[];
27 int CompilerToVM_methods_count(); 30 int CompilerToVM_methods_count();
28 31
32 methodOop getMethodFromHotSpotMethod(jobject hotspotMethod);
29 methodOop getMethodFromHotSpotMethod(oop hotspotMethod); 33 methodOop getMethodFromHotSpotMethod(oop hotspotMethod);
34
35 class JavaArgumentUnboxer : public SignatureIterator {
36 protected:
37 JavaCallArguments* _jca;
38 arrayOop _args;
39 int _index;
40
41 oop next_arg(BasicType expectedType) {
42 assert(_index < _args->length(), "out of bounds");
43 oop arg = ((oop*) _args->base(T_OBJECT))[_index++];
44 assert(expectedType == T_OBJECT || java_lang_boxing_object::is_instance(arg, expectedType), "arg type mismatch");
45 return arg;
46 }
47
48 public:
49 JavaArgumentUnboxer(Symbol* signature, JavaCallArguments* jca, arrayOop args, bool is_static) : SignatureIterator(signature) {
50 this->_return_type = T_ILLEGAL;
51 _jca = jca;
52 _index = 0;
53 _args = args;
54 if (!is_static) {
55 _jca->push_oop(next_arg(T_OBJECT));
56 }
57 iterate();
58 assert(_index == args->length(), "arg count mismatch with signature");
59 }
60
61 inline void do_bool() { if (!is_return_type()) _jca->push_int(next_arg(T_BOOLEAN)->bool_field(java_lang_boxing_object::value_offset_in_bytes(T_BOOLEAN))); }
62 inline void do_char() { if (!is_return_type()) _jca->push_int(next_arg(T_CHAR)->char_field(java_lang_boxing_object::value_offset_in_bytes(T_CHAR))); }
63 inline void do_short() { if (!is_return_type()) _jca->push_int(next_arg(T_SHORT)->short_field(java_lang_boxing_object::value_offset_in_bytes(T_SHORT))); }
64 inline void do_byte() { if (!is_return_type()) _jca->push_int(next_arg(T_BYTE)->byte_field(java_lang_boxing_object::value_offset_in_bytes(T_BYTE))); }
65 inline void do_int() { if (!is_return_type()) _jca->push_int(next_arg(T_INT)->int_field(java_lang_boxing_object::value_offset_in_bytes(T_INT))); }
66
67 inline void do_long() { if (!is_return_type()) _jca->push_long(next_arg(T_LONG)->long_field(java_lang_boxing_object::value_offset_in_bytes(T_LONG))); }
68 inline void do_float() { if (!is_return_type()) _jca->push_float(next_arg(T_FLOAT)->float_field(java_lang_boxing_object::value_offset_in_bytes(T_FLOAT))); }
69 inline void do_double() { if (!is_return_type()) _jca->push_double(next_arg(T_DOUBLE)->double_field(java_lang_boxing_object::value_offset_in_bytes(T_DOUBLE))); }
70
71 inline void do_object() { _jca->push_oop(next_arg(T_OBJECT)); }
72 inline void do_object(int begin, int end) { if (!is_return_type()) _jca->push_oop(next_arg(T_OBJECT)); }
73 inline void do_array(int begin, int end) { if (!is_return_type()) _jca->push_oop(next_arg(T_OBJECT)); }
74 inline void do_void() { }
75 };
30 76
31 // nothing here - no need to define the jni method implementations in a header file 77 // nothing here - no need to define the jni method implementations in a header file
32 78
33 79 #endif // SHARE_VM_GRAAL_GRAAL_COMPILER_TO_VM_HPP