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82 lines
3.2 KiB
C
82 lines
3.2 KiB
C
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//===-- tsan_interface_java.h -----------------------------------*- C++ -*-===//
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file is a part of ThreadSanitizer (TSan), a race detector.
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//
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// Interface for verification of Java or mixed Java/C++ programs.
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// The interface is intended to be used from within a JVM and notify TSan
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// about such events like Java locks and GC memory compaction.
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//
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// For plain memory accesses and function entry/exit a JVM is intended to use
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// C++ interfaces: __tsan_readN/writeN and __tsan_func_enter/exit.
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//
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// For volatile memory accesses and atomic operations JVM is intended to use
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// standard atomics API: __tsan_atomicN_load/store/etc.
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//
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// For usage examples see lit_tests/java_*.cc
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//===----------------------------------------------------------------------===//
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#ifndef TSAN_INTERFACE_JAVA_H
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#define TSAN_INTERFACE_JAVA_H
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#ifndef INTERFACE_ATTRIBUTE
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# define INTERFACE_ATTRIBUTE __attribute__((visibility("default")))
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef unsigned long jptr; // NOLINT
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// Must be called before any other callback from Java.
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void __tsan_java_init(jptr heap_begin, jptr heap_size) INTERFACE_ATTRIBUTE;
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// Must be called when the application exits.
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// Not necessary the last callback (concurrently running threads are OK).
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// Returns exit status or 0 if tsan does not want to override it.
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int __tsan_java_fini() INTERFACE_ATTRIBUTE;
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// Callback for memory allocations.
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// May be omitted for allocations that are not subject to data races
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// nor contain synchronization objects (e.g. String).
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void __tsan_java_alloc(jptr ptr, jptr size) INTERFACE_ATTRIBUTE;
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// Callback for memory free.
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// Can be aggregated for several objects (preferably).
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void __tsan_java_free(jptr ptr, jptr size) INTERFACE_ATTRIBUTE;
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// Callback for memory move by GC.
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// Can be aggregated for several objects (preferably).
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// The ranges must not overlap.
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void __tsan_java_move(jptr src, jptr dst, jptr size) INTERFACE_ATTRIBUTE;
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// Mutex lock.
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// Addr is any unique address associated with the mutex.
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// Can be called on recursive reentry.
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void __tsan_java_mutex_lock(jptr addr) INTERFACE_ATTRIBUTE;
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// Mutex unlock.
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void __tsan_java_mutex_unlock(jptr addr) INTERFACE_ATTRIBUTE;
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// Mutex read lock.
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void __tsan_java_mutex_read_lock(jptr addr) INTERFACE_ATTRIBUTE;
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// Mutex read unlock.
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void __tsan_java_mutex_read_unlock(jptr addr) INTERFACE_ATTRIBUTE;
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// Recursive mutex lock, intended for handling of Object.wait().
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// The 'rec' value must be obtained from the previous
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// __tsan_java_mutex_unlock_rec().
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void __tsan_java_mutex_lock_rec(jptr addr, int rec) INTERFACE_ATTRIBUTE;
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// Recursive mutex unlock, intended for handling of Object.wait().
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// The return value says how many times this thread called lock()
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// w/o a pairing unlock() (i.e. how many recursive levels it unlocked).
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// It must be passed back to __tsan_java_mutex_lock_rec() to restore
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// the same recursion level.
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int __tsan_java_mutex_unlock_rec(jptr addr) INTERFACE_ATTRIBUTE;
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#undef INTERFACE_ATTRIBUTE
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#endif // #ifndef TSAN_INTERFACE_JAVA_H
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