--- a/hotspot/src/share/vm/oops/methodOop.hpp Thu Jul 12 14:19:15 2012 -0700
+++ b/hotspot/src/share/vm/oops/methodOop.hpp Fri Jul 13 20:14:27 2012 -0400
@@ -282,12 +282,12 @@
}
// exception handler table
- typeArrayOop exception_table() const
- { return constMethod()->exception_table(); }
- void set_exception_table(typeArrayOop e)
- { constMethod()->set_exception_table(e); }
bool has_exception_handler() const
{ return constMethod()->has_exception_handler(); }
+ int exception_table_length() const
+ { return constMethod()->exception_table_length(); }
+ ExceptionTableElement* exception_table_start() const
+ { return constMethod()->exception_table_start(); }
// Finds the first entry point bci of an exception handler for an
// exception of klass ex_klass thrown at throw_bci. A value of NULL
@@ -835,4 +835,66 @@
void clear(methodOop method);
};
+// Utility class for access exception handlers
+class ExceptionTable : public StackObj {
+ private:
+ ExceptionTableElement* _table;
+ u2 _length;
+
+ public:
+ ExceptionTable(methodOop m) {
+ if (m->has_exception_handler()) {
+ _table = m->exception_table_start();
+ _length = m->exception_table_length();
+ } else {
+ _table = NULL;
+ _length = 0;
+ }
+ }
+
+ int length() const {
+ return _length;
+ }
+
+ u2 start_pc(int idx) const {
+ assert(idx < _length, "out of bounds");
+ return _table[idx].start_pc;
+ }
+
+ void set_start_pc(int idx, u2 value) {
+ assert(idx < _length, "out of bounds");
+ _table[idx].start_pc = value;
+ }
+
+ u2 end_pc(int idx) const {
+ assert(idx < _length, "out of bounds");
+ return _table[idx].end_pc;
+ }
+
+ void set_end_pc(int idx, u2 value) {
+ assert(idx < _length, "out of bounds");
+ _table[idx].end_pc = value;
+ }
+
+ u2 handler_pc(int idx) const {
+ assert(idx < _length, "out of bounds");
+ return _table[idx].handler_pc;
+ }
+
+ void set_handler_pc(int idx, u2 value) {
+ assert(idx < _length, "out of bounds");
+ _table[idx].handler_pc = value;
+ }
+
+ u2 catch_type_index(int idx) const {
+ assert(idx < _length, "out of bounds");
+ return _table[idx].catch_type_index;
+ }
+
+ void set_catch_type_index(int idx, u2 value) {
+ assert(idx < _length, "out of bounds");
+ _table[idx].catch_type_index = value;
+ }
+};
+
#endif // SHARE_VM_OOPS_METHODOOP_HPP