--- a/hotspot/src/share/vm/classfile/verifier.hpp Wed May 07 19:21:52 2014 +0400
+++ b/hotspot/src/share/vm/classfile/verifier.hpp Mon Jul 14 12:45:14 2014 +0400
@@ -258,6 +258,9 @@
ErrorContext _error_context; // contains information about an error
+ // Used to detect illegal jumps over calls to super() nd this() in ctors.
+ int32_t _furthest_jump;
+
void verify_method(methodHandle method, TRAPS);
char* generate_code_data(methodHandle m, u4 code_length, TRAPS);
void verify_exception_handler_table(u4 code_length, char* code_data,
@@ -403,6 +406,20 @@
Symbol* create_temporary_symbol(const char *s, int length, TRAPS);
TypeOrigin ref_ctx(const char* str, TRAPS);
+
+ // Keep track of the furthest branch done in a method to make sure that
+ // there are no branches over calls to super() or this() from inside of
+ // a constructor.
+ int32_t furthest_jump() { return _furthest_jump; }
+
+ void set_furthest_jump(int32_t target) {
+ _furthest_jump = target;
+ }
+
+ void update_furthest_jump(int32_t target) {
+ if (target > _furthest_jump) _furthest_jump = target;
+ }
+
};
inline int ClassVerifier::change_sig_to_verificationType(