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8015385: Remove RelaxAccessControlCheck for JDK 8 bytecodes

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Check bytecode versions along with RelaxAccessControlCheck version

Reviewed-by: dholmes, acorn
This commit is contained in:
Harold Seigel 2013-06-03 10:00:10 -04:00
parent 54b7fa892a
commit 02a27e2824
2 changed files with 8 additions and 6 deletions
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4
hotspot/src/share/vm/classfile/verifier.hpp
View File

@ -36,8 +36,10 @@
class Verifier : AllStatic {
public:
enum {
STRICTER_ACCESS_CTRL_CHECK_VERSION = 49,
STACKMAP_ATTRIBUTE_MAJOR_VERSION = 50,
INVOKEDYNAMIC_MAJOR_VERSION = 51
INVOKEDYNAMIC_MAJOR_VERSION = 51,
NO_RELAX_ACCESS_CTRL_CHECK_VERSION = 52
};
typedef enum { ThrowException, NoException } Mode;

10
hotspot/src/share/vm/runtime/reflection.cpp
View File

@ -44,8 +44,6 @@
#include "runtime/signature.hpp"
#include "runtime/vframe.hpp"
#define JAVA_1_5_VERSION 49
static void trace_class_resolution(Klass* to_class) {
ResourceMark rm;
int line_number = -1;
@ -507,9 +505,11 @@ bool Reflection::can_relax_access_check_for(
under_host_klass(accessee_ik, accessor))
return true;
if (RelaxAccessControlCheck ||
(accessor_ik->major_version() < JAVA_1_5_VERSION &&
accessee_ik->major_version() < JAVA_1_5_VERSION)) {
if ((RelaxAccessControlCheck &&
accessor_ik->major_version() < Verifier::NO_RELAX_ACCESS_CTRL_CHECK_VERSION &&
accessee_ik->major_version() < Verifier::NO_RELAX_ACCESS_CTRL_CHECK_VERSION) ||
(accessor_ik->major_version() < Verifier::STRICTER_ACCESS_CTRL_CHECK_VERSION &&
accessee_ik->major_version() < Verifier::STRICTER_ACCESS_CTRL_CHECK_VERSION)) {
return classloader_only &&
Verifier::relax_verify_for(accessor_ik->class_loader()) &&
accessor_ik->protection_domain() == accessee_ik->protection_domain() &&