63 // There is a dependency on the name of the blob in src/share/vm/prims/jvmtiCodeBlobEvents.cpp
64 // If changing the name, update the other file accordingly.
65 VtableBlob* blob = VtableBlob::create("vtable chunks", bytes);
66 if (blob == NULL) {
67 return NULL;
68 }
69 _chunk = blob->content_begin();
70 _chunk_end = _chunk + bytes;
71 Forte::register_stub("vtable stub", _chunk, _chunk_end);
72 align_chunk();
73 }
74 assert(_chunk + real_size <= _chunk_end, "bad allocation");
75 void* res = _chunk;
76 _chunk += real_size;
77 align_chunk();
78 return res;
79 }
80
81
82 void VtableStub::print_on(outputStream* st) const {
83 st->print("vtable stub (index = %d, receiver_location = " INTX_FORMAT ", code = [" INTPTR_FORMAT ", " INTPTR_FORMAT "[)",
84 index(), p2i(receiver_location()), p2i(code_begin()), p2i(code_end()));
85 }
86
87
88 // -----------------------------------------------------------------------------------------
89 // Implementation of VtableStubs
90 //
91 // For each hash value there's a linked list of vtable stubs (with that
92 // hash value). Each list is anchored in a little hash _table, indexed
93 // by that hash value.
94
95 VtableStub* VtableStubs::_table[VtableStubs::N];
96 int VtableStubs::_number_of_vtable_stubs = 0;
97 int VtableStubs::_vtab_stub_size = 0;
98 int VtableStubs::_itab_stub_size = 0;
99
100 #if defined(PRODUCT)
101 // These values are good for the PRODUCT case (no tracing).
102 static const int first_vtableStub_size = 64;
103 static const int first_itableStub_size = 256;
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63 // There is a dependency on the name of the blob in src/share/vm/prims/jvmtiCodeBlobEvents.cpp
64 // If changing the name, update the other file accordingly.
65 VtableBlob* blob = VtableBlob::create("vtable chunks", bytes);
66 if (blob == NULL) {
67 return NULL;
68 }
69 _chunk = blob->content_begin();
70 _chunk_end = _chunk + bytes;
71 Forte::register_stub("vtable stub", _chunk, _chunk_end);
72 align_chunk();
73 }
74 assert(_chunk + real_size <= _chunk_end, "bad allocation");
75 void* res = _chunk;
76 _chunk += real_size;
77 align_chunk();
78 return res;
79 }
80
81
82 void VtableStub::print_on(outputStream* st) const {
83 st->print("vtable stub (index = %d, receiver_location = " INTX_FORMAT ", code = [" INTPTR_FORMAT ", " INTPTR_FORMAT "])",
84 index(), p2i(receiver_location()), p2i(code_begin()), p2i(code_end()));
85 }
86
87
88 // -----------------------------------------------------------------------------------------
89 // Implementation of VtableStubs
90 //
91 // For each hash value there's a linked list of vtable stubs (with that
92 // hash value). Each list is anchored in a little hash _table, indexed
93 // by that hash value.
94
95 VtableStub* VtableStubs::_table[VtableStubs::N];
96 int VtableStubs::_number_of_vtable_stubs = 0;
97 int VtableStubs::_vtab_stub_size = 0;
98 int VtableStubs::_itab_stub_size = 0;
99
100 #if defined(PRODUCT)
101 // These values are good for the PRODUCT case (no tracing).
102 static const int first_vtableStub_size = 64;
103 static const int first_itableStub_size = 256;
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