41 friend class JVMCIVMStructs;
42 /* end of list */
43
44 #define M_STATUS_DO(status) \
45 status(has_monitor_bytecodes , 1 << 0) /* Method contains monitorenter/monitorexit bytecodes */ \
46 status(has_jsrs , 1 << 1) \
47 status(is_old , 1 << 2) /* RedefineClasses() has replaced this method */ \
48 status(is_obsolete , 1 << 3) /* RedefineClasses() has made method obsolete */ \
49 status(is_deleted , 1 << 4) /* RedefineClasses() has deleted this method */ \
50 status(is_prefixed_native , 1 << 5) /* JVMTI has prefixed this native method */ \
51 status(monitor_matching , 1 << 6) /* True if we know that monitorenter/monitorexit bytecodes match */ \
52 status(queued_for_compilation , 1 << 7) \
53 status(is_not_c2_compilable , 1 << 8) \
54 status(is_not_c1_compilable , 1 << 9) \
55 status(is_not_c2_osr_compilable , 1 << 10) \
56 status(force_inline , 1 << 11) /* Annotations but also set/reset at runtime */ \
57 status(dont_inline , 1 << 12) \
58 status(has_loops_flag , 1 << 13) /* Method has loops */ \
59 status(has_loops_flag_init , 1 << 14) /* The loop flag has been initialized */ \
60 status(on_stack_flag , 1 << 15) /* RedefineClasses support to keep Metadata from being cleaned */ \
61 /* end of list */
62
63 #define M_STATUS_ENUM_NAME(name, value) _misc_##name = value,
64 enum {
65 M_STATUS_DO(M_STATUS_ENUM_NAME)
66 };
67 #undef M_STATUS_ENUM_NAME
68
69 // These flags are written during execution so require atomic stores
70 u4 _status;
71
72 public:
73
74 MethodFlags() : _status(0) {}
75
76 // Create getters and setters for the status values.
77 #define M_STATUS_GET_SET(name, ignore) \
78 bool name() const { return (_status & _misc_##name) != 0; } \
79 void set_##name(bool b) { \
80 if (b) { \
81 atomic_set_bits(_misc_##name); \
82 } else { \
83 atomic_clear_bits(_misc_##name); \
84 } \
85 }
86 M_STATUS_DO(M_STATUS_GET_SET)
87 #undef M_STATUS_GET_SET
88
89 int as_int() const { return _status; }
90 void atomic_set_bits(u4 bits) { Atomic::fetch_then_or(&_status, bits); }
91 void atomic_clear_bits(u4 bits) { Atomic::fetch_then_and(&_status, ~bits); }
92 void print_on(outputStream* st) const;
93 };
94
95 #endif // SHARE_OOPS_METHODFLAGS_HPP
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41 friend class JVMCIVMStructs;
42 /* end of list */
43
44 #define M_STATUS_DO(status) \
45 status(has_monitor_bytecodes , 1 << 0) /* Method contains monitorenter/monitorexit bytecodes */ \
46 status(has_jsrs , 1 << 1) \
47 status(is_old , 1 << 2) /* RedefineClasses() has replaced this method */ \
48 status(is_obsolete , 1 << 3) /* RedefineClasses() has made method obsolete */ \
49 status(is_deleted , 1 << 4) /* RedefineClasses() has deleted this method */ \
50 status(is_prefixed_native , 1 << 5) /* JVMTI has prefixed this native method */ \
51 status(monitor_matching , 1 << 6) /* True if we know that monitorenter/monitorexit bytecodes match */ \
52 status(queued_for_compilation , 1 << 7) \
53 status(is_not_c2_compilable , 1 << 8) \
54 status(is_not_c1_compilable , 1 << 9) \
55 status(is_not_c2_osr_compilable , 1 << 10) \
56 status(force_inline , 1 << 11) /* Annotations but also set/reset at runtime */ \
57 status(dont_inline , 1 << 12) \
58 status(has_loops_flag , 1 << 13) /* Method has loops */ \
59 status(has_loops_flag_init , 1 << 14) /* The loop flag has been initialized */ \
60 status(on_stack_flag , 1 << 15) /* RedefineClasses support to keep Metadata from being cleaned */ \
61 status(has_scalarized_args , 1 << 16) \
62 status(has_scalarized_return , 1 << 17) \
63 /* end of list */
64
65 #define M_STATUS_ENUM_NAME(name, value) _misc_##name = value,
66 enum {
67 M_STATUS_DO(M_STATUS_ENUM_NAME)
68 };
69 #undef M_STATUS_ENUM_NAME
70
71 // These flags are written during execution so require atomic stores
72 u4 _status;
73
74 public:
75
76 MethodFlags() : _status(0) {}
77
78 // Create getters and setters for the status values.
79 #define M_STATUS_GET_SET(name, ignore) \
80 bool name() const { return (_status & _misc_##name) != 0; } \
81 void set_##name(bool b) { \
82 if (b) { \
83 atomic_set_bits(_misc_##name); \
84 } else { \
85 atomic_clear_bits(_misc_##name); \
86 } \
87 }
88 M_STATUS_DO(M_STATUS_GET_SET)
89 #undef M_STATUS_GET_SET
90
91 static u4 has_scalarized_return_flag() { return _misc_has_scalarized_return; }
92
93 int as_int() const { return _status; }
94 void atomic_set_bits(u4 bits) { Atomic::fetch_then_or(&_status, bits); }
95 void atomic_clear_bits(u4 bits) { Atomic::fetch_then_and(&_status, ~bits); }
96 void print_on(outputStream* st) const;
97 };
98
99 #endif // SHARE_OOPS_METHODFLAGS_HPP
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