diff options
Diffstat (limited to 'src/share/vm/oops/methodOop.cpp')
| -rw-r--r-- | src/share/vm/oops/methodOop.cpp | 27 |
1 files changed, 12 insertions, 15 deletions
diff --git a/src/share/vm/oops/methodOop.cpp b/src/share/vm/oops/methodOop.cpp index 7a0e74e0f..66c545a6c 100644 --- a/src/share/vm/oops/methodOop.cpp +++ b/src/share/vm/oops/methodOop.cpp @@ -111,25 +111,21 @@ char* methodOopDesc::name_and_sig_as_C_string(Klass* klass, Symbol* method_name, int methodOopDesc::fast_exception_handler_bci_for(KlassHandle ex_klass, int throw_bci, TRAPS) { // exception table holds quadruple entries of the form (beg_bci, end_bci, handler_bci, klass_index) - const int beg_bci_offset = 0; - const int end_bci_offset = 1; - const int handler_bci_offset = 2; - const int klass_index_offset = 3; - const int entry_size = 4; // access exception table - typeArrayHandle table (THREAD, constMethod()->exception_table()); - int length = table->length(); - assert(length % entry_size == 0, "exception table format has changed"); + ExceptionTable table(this); + int length = table.length(); // iterate through all entries sequentially constantPoolHandle pool(THREAD, constants()); - for (int i = 0; i < length; i += entry_size) { - int beg_bci = table->int_at(i + beg_bci_offset); - int end_bci = table->int_at(i + end_bci_offset); + for (int i = 0; i < length; i ++) { + //reacquire the table in case a GC happened + ExceptionTable table(this); + int beg_bci = table.start_pc(i); + int end_bci = table.end_pc(i); assert(beg_bci <= end_bci, "inconsistent exception table"); if (beg_bci <= throw_bci && throw_bci < end_bci) { // exception handler bci range covers throw_bci => investigate further - int handler_bci = table->int_at(i + handler_bci_offset); - int klass_index = table->int_at(i + klass_index_offset); + int handler_bci = table.handler_pc(i); + int klass_index = table.catch_type_index(i); if (klass_index == 0) { return handler_bci; } else if (ex_klass.is_null()) { @@ -980,7 +976,7 @@ methodHandle methodOopDesc::make_invoke_method(KlassHandle holder, { int flags_bits = (JVM_MH_INVOKE_BITS | JVM_ACC_PUBLIC | JVM_ACC_FINAL); methodOop m_oop = oopFactory::new_method(0, accessFlags_from(flags_bits), - 0, 0, 0, IsSafeConc, CHECK_(empty)); + 0, 0, 0, 0, IsSafeConc, CHECK_(empty)); m = methodHandle(THREAD, m_oop); } m->set_constants(cp()); @@ -994,7 +990,6 @@ methodHandle methodOopDesc::make_invoke_method(KlassHandle holder, m->set_result_index(rtf.type()); #endif m->compute_size_of_parameters(THREAD); - m->set_exception_table(Universe::the_empty_int_array()); m->init_intrinsic_id(); assert(m->intrinsic_id() == vmIntrinsics::_invokeExact || m->intrinsic_id() == vmIntrinsics::_invokeGeneric, "must be an invoker"); @@ -1038,6 +1033,7 @@ methodHandle methodOopDesc:: clone_with_new_data(methodHandle m, u_char* new_cod AccessFlags flags = m->access_flags(); int checked_exceptions_len = m->checked_exceptions_length(); int localvariable_len = m->localvariable_table_length(); + int exception_table_len = m->exception_table_length(); // Allocate newm_oop with the is_conc_safe parameter set // to IsUnsafeConc to indicate that newm_oop is not yet // safe for concurrent processing by a GC. @@ -1045,6 +1041,7 @@ methodHandle methodOopDesc:: clone_with_new_data(methodHandle m, u_char* new_cod flags, new_compressed_linenumber_size, localvariable_len, + exception_table_len, checked_exceptions_len, IsUnsafeConc, CHECK_(methodHandle())); |