6578152: fill_region_with_object has usability and safety issues
Reviewed-by: apetrusenko, ysr
/*
* Copyright 1999-2007 Sun Microsystems, Inc. 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
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*
*/
// The following routines and definitions are used internally in the
// compiler interface.
// Add a ci native entry wrapper?
// Bring the compilation thread into the VM state.
#define VM_ENTRY_MARK \
CompilerThread* thread=CompilerThread::current(); \
ThreadInVMfromNative __tiv(thread); \
ResetNoHandleMark rnhm; \
HandleMarkCleaner __hm(thread); \
Thread* THREAD = thread; \
debug_only(VMNativeEntryWrapper __vew;)
// Bring the compilation thread into the VM state. No handle mark.
#define VM_QUICK_ENTRY_MARK \
CompilerThread* thread=CompilerThread::current(); \
ThreadInVMfromNative __tiv(thread); \
/* \
* [TODO] The NoHandleMark line does nothing but declare a function prototype \
* The NoHandkeMark constructor is NOT executed. If the ()'s are \
* removed, causes the NoHandleMark assert to trigger. \
* debug_only(NoHandleMark __hm();) \
*/ \
Thread* THREAD = thread; \
debug_only(VMNativeEntryWrapper __vew;)
#define EXCEPTION_CONTEXT \
CompilerThread* thread=CompilerThread::current(); \
Thread* THREAD = thread;
#define CURRENT_ENV \
ciEnv::current()
// where current thread is THREAD
#define CURRENT_THREAD_ENV \
ciEnv::current(thread)
#define IS_IN_VM \
ciEnv::is_in_vm()
#define ASSERT_IN_VM \
assert(IS_IN_VM, "must be in vm state");
#define GUARDED_VM_ENTRY(action) \
{if (IS_IN_VM) { action } else { VM_ENTRY_MARK; { action }}}
// Redefine this later.
#define KILL_COMPILE_ON_FATAL_(result) \
THREAD); \
if (HAS_PENDING_EXCEPTION) { \
if (PENDING_EXCEPTION->klass() == \
SystemDictionary::threaddeath_klass()) { \
/* Kill the compilation. */ \
fatal("unhandled ci exception"); \
return (result); \
} \
CLEAR_PENDING_EXCEPTION; \
return (result); \
} \
(0
#define KILL_COMPILE_ON_ANY \
THREAD); \
if (HAS_PENDING_EXCEPTION) { \
fatal("unhandled ci exception"); \
CLEAR_PENDING_EXCEPTION; \
} \
(0
inline const char* bool_to_str(bool b) {
return ((b) ? "true" : "false");
}
const char* basictype_to_str(BasicType t);
const char basictype_to_char(BasicType t);