13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef SHARE_VM_CLASSFILE_VERIFIER_HPP
26 #define SHARE_VM_CLASSFILE_VERIFIER_HPP
27
28 #include "classfile/verificationType.hpp"
29 #include "memory/gcLocker.hpp"
30 #include "oops/klass.hpp"
31 #include "oops/method.hpp"
32 #include "runtime/handles.hpp"
33 #include "utilities/exceptions.hpp"
34
35 // The verifier class
36 class Verifier : AllStatic {
37 public:
38 enum {
39 STRICTER_ACCESS_CTRL_CHECK_VERSION = 49,
40 STACKMAP_ATTRIBUTE_MAJOR_VERSION = 50,
41 INVOKEDYNAMIC_MAJOR_VERSION = 51,
42 NO_RELAX_ACCESS_CTRL_CHECK_VERSION = 52
43 };
44 typedef enum { ThrowException, NoException } Mode;
45
46 /**
47 * Verify the bytecodes for a class. If 'throw_exception' is true
48 * then the appropriate VerifyError or ClassFormatError will be thrown.
49 * Otherwise, no exception is thrown and the return indicates the
50 * error.
51 */
52 static bool verify(instanceKlassHandle klass, Mode mode, bool should_verify_class, TRAPS);
286 u2 bci, bool this_uninit, StackMapFrame* current_frame,
287 StackMapTable* stackmap_table, TRAPS);
288
289 void verify_ldc(
290 int opcode, u2 index, StackMapFrame *current_frame,
291 constantPoolHandle cp, u2 bci, TRAPS);
292
293 void verify_switch(
294 RawBytecodeStream* bcs, u4 code_length, char* code_data,
295 StackMapFrame* current_frame, StackMapTable* stackmap_table, TRAPS);
296
297 void verify_field_instructions(
298 RawBytecodeStream* bcs, StackMapFrame* current_frame,
299 constantPoolHandle cp, TRAPS);
300
301 void verify_invoke_init(
302 RawBytecodeStream* bcs, u2 ref_index, VerificationType ref_class_type,
303 StackMapFrame* current_frame, u4 code_length, bool* this_uninit,
304 constantPoolHandle cp, TRAPS);
305
306 void verify_invoke_instructions(
307 RawBytecodeStream* bcs, u4 code_length, StackMapFrame* current_frame,
308 bool* this_uninit, VerificationType return_type,
309 constantPoolHandle cp, TRAPS);
310
311 VerificationType get_newarray_type(u2 index, u2 bci, TRAPS);
312 void verify_anewarray(u2 bci, u2 index, constantPoolHandle cp,
313 StackMapFrame* current_frame, TRAPS);
314 void verify_return_value(
315 VerificationType return_type, VerificationType type, u2 offset,
316 StackMapFrame* current_frame, TRAPS);
317
318 void verify_iload (u2 index, StackMapFrame* current_frame, TRAPS);
319 void verify_lload (u2 index, StackMapFrame* current_frame, TRAPS);
320 void verify_fload (u2 index, StackMapFrame* current_frame, TRAPS);
321 void verify_dload (u2 index, StackMapFrame* current_frame, TRAPS);
322 void verify_aload (u2 index, StackMapFrame* current_frame, TRAPS);
323 void verify_istore(u2 index, StackMapFrame* current_frame, TRAPS);
324 void verify_lstore(u2 index, StackMapFrame* current_frame, TRAPS);
325 void verify_fstore(u2 index, StackMapFrame* current_frame, TRAPS);
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13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef SHARE_VM_CLASSFILE_VERIFIER_HPP
26 #define SHARE_VM_CLASSFILE_VERIFIER_HPP
27
28 #include "classfile/verificationType.hpp"
29 #include "memory/gcLocker.hpp"
30 #include "oops/klass.hpp"
31 #include "oops/method.hpp"
32 #include "runtime/handles.hpp"
33 #include "utilities/growableArray.hpp"
34 #include "utilities/exceptions.hpp"
35
36 // The verifier class
37 class Verifier : AllStatic {
38 public:
39 enum {
40 STRICTER_ACCESS_CTRL_CHECK_VERSION = 49,
41 STACKMAP_ATTRIBUTE_MAJOR_VERSION = 50,
42 INVOKEDYNAMIC_MAJOR_VERSION = 51,
43 NO_RELAX_ACCESS_CTRL_CHECK_VERSION = 52
44 };
45 typedef enum { ThrowException, NoException } Mode;
46
47 /**
48 * Verify the bytecodes for a class. If 'throw_exception' is true
49 * then the appropriate VerifyError or ClassFormatError will be thrown.
50 * Otherwise, no exception is thrown and the return indicates the
51 * error.
52 */
53 static bool verify(instanceKlassHandle klass, Mode mode, bool should_verify_class, TRAPS);
287 u2 bci, bool this_uninit, StackMapFrame* current_frame,
288 StackMapTable* stackmap_table, TRAPS);
289
290 void verify_ldc(
291 int opcode, u2 index, StackMapFrame *current_frame,
292 constantPoolHandle cp, u2 bci, TRAPS);
293
294 void verify_switch(
295 RawBytecodeStream* bcs, u4 code_length, char* code_data,
296 StackMapFrame* current_frame, StackMapTable* stackmap_table, TRAPS);
297
298 void verify_field_instructions(
299 RawBytecodeStream* bcs, StackMapFrame* current_frame,
300 constantPoolHandle cp, TRAPS);
301
302 void verify_invoke_init(
303 RawBytecodeStream* bcs, u2 ref_index, VerificationType ref_class_type,
304 StackMapFrame* current_frame, u4 code_length, bool* this_uninit,
305 constantPoolHandle cp, TRAPS);
306
307 // Used by ends_in_athrow() to push all handlers that contain bci onto
308 // the handler_stack, if the handler is not already on the stack.
309 void push_handlers(ExceptionTable* exhandlers,
310 GrowableArray<u4>* handler_stack,
311 u4 bci);
312
313 // Returns true if all paths starting with start_bc_offset end in athrow
314 // bytecode or loop.
315 bool ends_in_athrow(u4 start_bc_offset);
316
317 void verify_invoke_instructions(
318 RawBytecodeStream* bcs, u4 code_length, StackMapFrame* current_frame,
319 bool* this_uninit, VerificationType return_type,
320 constantPoolHandle cp, TRAPS);
321
322 VerificationType get_newarray_type(u2 index, u2 bci, TRAPS);
323 void verify_anewarray(u2 bci, u2 index, constantPoolHandle cp,
324 StackMapFrame* current_frame, TRAPS);
325 void verify_return_value(
326 VerificationType return_type, VerificationType type, u2 offset,
327 StackMapFrame* current_frame, TRAPS);
328
329 void verify_iload (u2 index, StackMapFrame* current_frame, TRAPS);
330 void verify_lload (u2 index, StackMapFrame* current_frame, TRAPS);
331 void verify_fload (u2 index, StackMapFrame* current_frame, TRAPS);
332 void verify_dload (u2 index, StackMapFrame* current_frame, TRAPS);
333 void verify_aload (u2 index, StackMapFrame* current_frame, TRAPS);
334 void verify_istore(u2 index, StackMapFrame* current_frame, TRAPS);
335 void verify_lstore(u2 index, StackMapFrame* current_frame, TRAPS);
336 void verify_fstore(u2 index, StackMapFrame* current_frame, TRAPS);
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