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6911922: JVM must throw VerifyError for jsr or jsr_w opcodes in class file v.51+

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6693236: A class file whose version number is greater than to 50.0 must be verified using the typechecker

Disable failover verification for classfiles >= v51

Reviewed-by: never, acorn, dholmes
This commit is contained in:
Keith McGuigan 2010-05-19 10:19:10 -04:00
parent 9b7dfe0cbc
commit 4f45d8c3a2
1 changed files with 4 additions and 1 deletions
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5
hotspot/src/share/vm/classfile/verifier.cpp
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@ -25,6 +25,8 @@
# include "incls/_precompiled.incl"
# include "incls/_verifier.cpp.incl"
#define NOFAILOVER_MAJOR_VERSION 51
// Access to external entry for VerifyClassCodes - old byte code verifier
extern "C" {
@ -91,7 +93,8 @@ bool Verifier::verify(instanceKlassHandle klass, Verifier::Mode mode, bool shoul
klass, message_buffer, message_buffer_len, THREAD);
split_verifier.verify_class(THREAD);
exception_name = split_verifier.result();
if (FailOverToOldVerifier && !HAS_PENDING_EXCEPTION &&
if (klass->major_version() < NOFAILOVER_MAJOR_VERSION &&
FailOverToOldVerifier && !HAS_PENDING_EXCEPTION &&
(exception_name == vmSymbols::java_lang_VerifyError() ||
exception_name == vmSymbols::java_lang_ClassFormatError())) {
if (TraceClassInitialization) {