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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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13
hotspot/src/share/vm/prims/jvmtiEnv.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
@ -2541,15 +2541,12 @@ JvmtiEnv::GetSourceDebugExtension(oop k_mirror, char** source_debug_extension_pt
if (!Klass::cast(k)->oop_is_instance()) {
return JVMTI_ERROR_ABSENT_INFORMATION;
}
Symbol* sdeOop = instanceKlass::cast(k)->source_debug_extension();
NULL_CHECK(sdeOop, JVMTI_ERROR_ABSENT_INFORMATION);
char* sde = instanceKlass::cast(k)->source_debug_extension();
NULL_CHECK(sde, JVMTI_ERROR_ABSENT_INFORMATION);
{
JavaThread* current_thread = JavaThread::current();
ResourceMark rm(current_thread);
const char* sdecp = (const char*) sdeOop->as_C_string();
*source_debug_extension_ptr = (char *) jvmtiMalloc(strlen(sdecp)+1);
strcpy(*source_debug_extension_ptr, sdecp);
*source_debug_extension_ptr = (char *) jvmtiMalloc(strlen(sde)+1);
strcpy(*source_debug_extension_ptr, sde);
}
}