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6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K

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Reviewed-by: sspitsyn, dholmes, coleenp, kamg
This commit is contained in:
Frederic Parain 2012-07-09 01:28:37 -07:00
parent 39dfe6d047
commit 13c689d9c3
12 changed files with 273 additions and 35 deletions
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6
hotspot/src/share/vm/prims/jvmtiRedefineClasses.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -3236,7 +3236,9 @@ void VM_RedefineClasses::redefine_single_class(jclass the_jclass,
// Copy the "source debug extension" attribute from new class version
the_class->set_source_debug_extension(
scratch_class->source_debug_extension());
scratch_class->source_debug_extension(),
scratch_class->source_debug_extension() == NULL ? 0 :
(int)strlen(scratch_class->source_debug_extension()));
// Use of javac -g could be different in the old and the new
if (scratch_class->access_flags().has_localvariable_table() !=