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comparison src/share/vm/interpreter/rewriter.hpp @ 1660:083fde3b838e

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6964498: JSR 292 invokedynamic sites need local bootstrap methods Summary: Add JVM_CONSTANT_InvokeDynamic records to constant pool to determine per-instruction BSMs. Reviewed-by: twisti
author jrose
date Thu, 15 Jul 2010 18:40:45 -0700
parents 136b78722a08
children f95d63e2154a
comparison
equal deleted inserted replaced
1649:a528509c992b 1660:083fde3b838e
30 instanceKlassHandle _klass; 30 instanceKlassHandle _klass;
31 constantPoolHandle _pool; 31 constantPoolHandle _pool;
32 objArrayHandle _methods; 32 objArrayHandle _methods;
33 intArray _cp_map; 33 intArray _cp_map;
34 intStack _cp_cache_map; 34 intStack _cp_cache_map;
35 bool _have_invoke_dynamic;
35 36
36 void init_cp_map(int length) { 37 void init_cp_map(int length) {
37 _cp_map.initialize(length, -1); 38 _cp_map.initialize(length, -1);
38 // Choose an initial value large enough that we don't get frequent 39 // Choose an initial value large enough that we don't get frequent
39 // calls to grow(). 40 // calls to grow().
54 assert(main_cpc_entry < _cp_cache_map.length(), "must be earlier CP cache entry"); 55 assert(main_cpc_entry < _cp_cache_map.length(), "must be earlier CP cache entry");
55 int cache_index = _cp_cache_map.append(main_cpc_entry | _secondary_entry_tag); 56 int cache_index = _cp_cache_map.append(main_cpc_entry | _secondary_entry_tag);
56 return cache_index; 57 return cache_index;
57 } 58 }
58 59
60 // Access the contents of _cp_cache_map to determine CP cache layout.
61 int cp_cache_entry_pool_index(int cache_index) {
62 int cp_index = _cp_cache_map[cache_index];
63 if ((cp_index & _secondary_entry_tag) != 0)
64 return -1;
65 else
66 return cp_index;
67 }
68 int cp_cache_secondary_entry_main_index(int cache_index) {
69 int cp_index = _cp_cache_map[cache_index];
70 if ((cp_index & _secondary_entry_tag) == 0)
71 return -1;
72 else
73 return (cp_index - _secondary_entry_tag);
74 }
75
59 // All the work goes in here: 76 // All the work goes in here:
60 Rewriter(instanceKlassHandle klass, constantPoolHandle cpool, objArrayHandle methods, TRAPS); 77 Rewriter(instanceKlassHandle klass, constantPoolHandle cpool, objArrayHandle methods, TRAPS);
61 78
62 void compute_index_maps(); 79 void compute_index_maps();
63 void make_constant_pool_cache(TRAPS); 80 void make_constant_pool_cache(TRAPS);