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comparison src/share/vm/code/vtableStubs.hpp @ 6266:1d7922586cf6

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7023639: JSR 292 method handle invocation needs a fast path for compiled code 6984705: JSR 292 method handle creation should not go through JNI Summary: remove assembly code for JDK 7 chained method handles Reviewed-by: jrose, twisti, kvn, mhaupt Contributed-by: John Rose <john.r.rose@oracle.com>, Christian Thalinger <christian.thalinger@oracle.com>, Michael Haupt <michael.haupt@oracle.com>
author twisti
date Tue, 24 Jul 2012 10:51:00 -0700
parents c760f78e0a53
children da91efe96a93
comparison
equal deleted inserted replaced
6241:aba91a731143 6266:1d7922586cf6
53 _index(index), _ame_offset(-1), _npe_offset(-1) {} 53 _index(index), _ame_offset(-1), _npe_offset(-1) {}
54 VtableStub* next() const { return _next; } 54 VtableStub* next() const { return _next; }
55 int index() const { return _index; } 55 int index() const { return _index; }
56 static VMReg receiver_location() { return _receiver_location; } 56 static VMReg receiver_location() { return _receiver_location; }
57 void set_next(VtableStub* n) { _next = n; } 57 void set_next(VtableStub* n) { _next = n; }
58
59 public:
58 address code_begin() const { return (address)(this + 1); } 60 address code_begin() const { return (address)(this + 1); }
59 address code_end() const { return code_begin() + pd_code_size_limit(_is_vtable_stub); } 61 address code_end() const { return code_begin() + pd_code_size_limit(_is_vtable_stub); }
60 address entry_point() const { return code_begin(); } 62 address entry_point() const { return code_begin(); }
61 static int entry_offset() { return sizeof(class VtableStub); } 63 static int entry_offset() { return sizeof(class VtableStub); }
62 64
63 bool matches(bool is_vtable_stub, int index) const { 65 bool matches(bool is_vtable_stub, int index) const {
64 return _index == index && _is_vtable_stub == is_vtable_stub; 66 return _index == index && _is_vtable_stub == is_vtable_stub;
65 } 67 }
66 bool contains(address pc) const { return code_begin() <= pc && pc < code_end(); } 68 bool contains(address pc) const { return code_begin() <= pc && pc < code_end(); }
67 69
70 private:
68 void set_exception_points(address npe_addr, address ame_addr) { 71 void set_exception_points(address npe_addr, address ame_addr) {
69 _npe_offset = npe_addr - code_begin(); 72 _npe_offset = npe_addr - code_begin();
70 _ame_offset = ame_addr - code_begin(); 73 _ame_offset = ame_addr - code_begin();
71 assert(is_abstract_method_error(ame_addr), "offset must be correct"); 74 assert(is_abstract_method_error(ame_addr), "offset must be correct");
72 assert(is_null_pointer_exception(npe_addr), "offset must be correct"); 75 assert(is_null_pointer_exception(npe_addr), "offset must be correct");