30 #include "runtime/frame.inline.hpp"
31 #include "utilities/align.hpp"
32 #include "utilities/debug.hpp"
33 #include "utilities/macros.hpp"
34
35
36 int AbstractInterpreter::BasicType_as_index(BasicType type) {
37 int i = 0;
38 switch (type) {
39 case T_BOOLEAN: i = 0; break;
40 case T_CHAR : i = 1; break;
41 case T_BYTE : i = 2; break;
42 case T_SHORT : i = 3; break;
43 case T_INT : i = 4; break;
44 case T_LONG : i = 5; break;
45 case T_VOID : i = 6; break;
46 case T_FLOAT : i = 7; break;
47 case T_DOUBLE : i = 8; break;
48 case T_OBJECT : i = 9; break;
49 case T_ARRAY : i = 9; break;
50 default : ShouldNotReachHere();
51 }
52 assert(0 <= i && i < AbstractInterpreter::number_of_result_handlers,
53 "index out of bounds");
54 return i;
55 }
56
57 // How much stack a method activation needs in words.
58 int AbstractInterpreter::size_top_interpreter_activation(Method* method) {
59 const int entry_size = frame::interpreter_frame_monitor_size();
60
61 // total overhead size: entry_size + (saved rfp thru expr stack
62 // bottom). be sure to change this if you add/subtract anything
63 // to/from the overhead area
64 const int overhead_size =
65 -(frame::interpreter_frame_initial_sp_offset) + entry_size;
66
67 const int stub_code = frame::entry_frame_after_call_words;
68 const int method_stack = (method->max_locals() + method->max_stack()) *
69 Interpreter::stackElementWords;
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30 #include "runtime/frame.inline.hpp"
31 #include "utilities/align.hpp"
32 #include "utilities/debug.hpp"
33 #include "utilities/macros.hpp"
34
35
36 int AbstractInterpreter::BasicType_as_index(BasicType type) {
37 int i = 0;
38 switch (type) {
39 case T_BOOLEAN: i = 0; break;
40 case T_CHAR : i = 1; break;
41 case T_BYTE : i = 2; break;
42 case T_SHORT : i = 3; break;
43 case T_INT : i = 4; break;
44 case T_LONG : i = 5; break;
45 case T_VOID : i = 6; break;
46 case T_FLOAT : i = 7; break;
47 case T_DOUBLE : i = 8; break;
48 case T_OBJECT : i = 9; break;
49 case T_ARRAY : i = 9; break;
50 case T_VALUETYPE : i = 10; break;
51 default : ShouldNotReachHere();
52 }
53 assert(0 <= i && i < AbstractInterpreter::number_of_result_handlers,
54 "index out of bounds");
55 return i;
56 }
57
58 // How much stack a method activation needs in words.
59 int AbstractInterpreter::size_top_interpreter_activation(Method* method) {
60 const int entry_size = frame::interpreter_frame_monitor_size();
61
62 // total overhead size: entry_size + (saved rfp thru expr stack
63 // bottom). be sure to change this if you add/subtract anything
64 // to/from the overhead area
65 const int overhead_size =
66 -(frame::interpreter_frame_initial_sp_offset) + entry_size;
67
68 const int stub_code = frame::entry_frame_after_call_words;
69 const int method_stack = (method->max_locals() + method->max_stack()) *
70 Interpreter::stackElementWords;
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