1.1 --- a/src/share/vm/oops/methodOop.hpp Mon Jun 25 15:34:06 2012 -0400 1.2 +++ b/src/share/vm/oops/methodOop.hpp Tue Jun 26 19:08:44 2012 -0400 1.3 @@ -282,12 +282,12 @@ 1.4 } 1.5 1.6 // exception handler table 1.7 - typeArrayOop exception_table() const 1.8 - { return constMethod()->exception_table(); } 1.9 - void set_exception_table(typeArrayOop e) 1.10 - { constMethod()->set_exception_table(e); } 1.11 bool has_exception_handler() const 1.12 { return constMethod()->has_exception_handler(); } 1.13 + int exception_table_length() const 1.14 + { return constMethod()->exception_table_length(); } 1.15 + ExceptionTableElement* exception_table_start() const 1.16 + { return constMethod()->exception_table_start(); } 1.17 1.18 // Finds the first entry point bci of an exception handler for an 1.19 // exception of klass ex_klass thrown at throw_bci. A value of NULL 1.20 @@ -835,4 +835,66 @@ 1.21 void clear(methodOop method); 1.22 }; 1.23 1.24 +// Utility class for access exception handlers 1.25 +class ExceptionTable : public StackObj { 1.26 + private: 1.27 + ExceptionTableElement* _table; 1.28 + u2 _length; 1.29 + 1.30 + public: 1.31 + ExceptionTable(methodOop m) { 1.32 + if (m->has_exception_handler()) { 1.33 + _table = m->exception_table_start(); 1.34 + _length = m->exception_table_length(); 1.35 + } else { 1.36 + _table = NULL; 1.37 + _length = 0; 1.38 + } 1.39 + } 1.40 + 1.41 + int length() const { 1.42 + return _length; 1.43 + } 1.44 + 1.45 + u2 start_pc(int idx) const { 1.46 + assert(idx < _length, "out of bounds"); 1.47 + return _table[idx].start_pc; 1.48 + } 1.49 + 1.50 + void set_start_pc(int idx, u2 value) { 1.51 + assert(idx < _length, "out of bounds"); 1.52 + _table[idx].start_pc = value; 1.53 + } 1.54 + 1.55 + u2 end_pc(int idx) const { 1.56 + assert(idx < _length, "out of bounds"); 1.57 + return _table[idx].end_pc; 1.58 + } 1.59 + 1.60 + void set_end_pc(int idx, u2 value) { 1.61 + assert(idx < _length, "out of bounds"); 1.62 + _table[idx].end_pc = value; 1.63 + } 1.64 + 1.65 + u2 handler_pc(int idx) const { 1.66 + assert(idx < _length, "out of bounds"); 1.67 + return _table[idx].handler_pc; 1.68 + } 1.69 + 1.70 + void set_handler_pc(int idx, u2 value) { 1.71 + assert(idx < _length, "out of bounds"); 1.72 + _table[idx].handler_pc = value; 1.73 + } 1.74 + 1.75 + u2 catch_type_index(int idx) const { 1.76 + assert(idx < _length, "out of bounds"); 1.77 + return _table[idx].catch_type_index; 1.78 + } 1.79 + 1.80 + void set_catch_type_index(int idx, u2 value) { 1.81 + assert(idx < _length, "out of bounds"); 1.82 + _table[idx].catch_type_index = value; 1.83 + } 1.84 +}; 1.85 + 1.86 #endif // SHARE_VM_OOPS_METHODOOP_HPP