2013-01-10 13:44:08 +01:00
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//===-- tsan_interface_java.h -----------------------------------*- C++ -*-===//
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//
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2019-08-14 10:47:11 +02:00
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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2013-01-10 13:44:08 +01:00
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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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2019-08-14 10:47:11 +02:00
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// For usage examples see lit_tests/java_*.cpp
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2013-01-10 13:44:08 +01:00
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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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2019-11-05 14:54:57 +01:00
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typedef unsigned long jptr;
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2013-01-10 13:44:08 +01:00
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2013-12-05 10:18:38 +01:00
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// Must be called before any other callback from Java.
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2013-01-10 13:44:08 +01:00
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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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2014-09-23 19:59:53 +02:00
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// The ranges can overlap.
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2013-01-10 13:44:08 +01:00
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void __tsan_java_move(jptr src, jptr dst, jptr size) INTERFACE_ATTRIBUTE;
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2014-09-23 19:59:53 +02:00
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// This function must be called on the finalizer thread
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// before executing a batch of finalizers.
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// It ensures necessary synchronization between
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// java object creation and finalization.
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void __tsan_java_finalize() INTERFACE_ATTRIBUTE;
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ubsan.c (ubsan_expand_null_ifn): Use _v1 suffixed type mismatch builtins...
* ubsan.c (ubsan_expand_null_ifn): Use _v1 suffixed type mismatch
builtins, store max (log2 (align), 0) into uchar field instead of
align into uptr field.
(ubsan_expand_objsize_ifn): Use _v1 suffixed type mismatch builtins,
store uchar 0 field instead of uptr 0 field.
(instrument_nonnull_return): Use _v1 suffixed nonnull return builtin,
instead of passing one address of struct with 2 locations pass
two addresses of structs with 1 location each.
* sanitizer.def (BUILT_IN_UBSAN_HANDLE_TYPE_MISMATCH,
BUILT_IN_UBSAN_HANDLE_TYPE_MISMATCH_ABORT,
BUILT_IN_UBSAN_HANDLE_NONNULL_RETURN,
BUILT_IN_UBSAN_HANDLE_NONNULL_RETURN_ABORT): Removed.
(BUILT_IN_UBSAN_HANDLE_TYPE_MISMATCH_V1,
BUILT_IN_UBSAN_HANDLE_TYPE_MISMATCH_V1_ABORT,
BUILT_IN_UBSAN_HANDLE_NONNULL_RETURN_V1,
BUILT_IN_UBSAN_HANDLE_NONNULL_RETURN_V1_ABORT): New builtins.
* c-c++-common/ubsan/float-cast-overflow-1.c: Drop value keyword
from expected output regexps.
* c-c++-common/ubsan/float-cast-overflow-2.c: Likewise.
* c-c++-common/ubsan/float-cast-overflow-3.c: Likewise.
* c-c++-common/ubsan/float-cast-overflow-4.c: Likewise.
* c-c++-common/ubsan/float-cast-overflow-5.c: Likewise.
* c-c++-common/ubsan/float-cast-overflow-6.c: Likewise.
* c-c++-common/ubsan/float-cast-overflow-8.c: Likewise.
* c-c++-common/ubsan/float-cast-overflow-9.c: Likewise.
* c-c++-common/ubsan/float-cast-overflow-10.c: Likewise.
* g++.dg/ubsan/float-cast-overflow-bf.C: Likewise.
* gcc.dg/ubsan/float-cast-overflow-bf.c: Likewise.
* g++.dg/asan/default-options-1.C (__asan_default_options): Add
used attribute.
* g++.dg/asan/asan_test.C: Run with ASAN_OPTIONS=handle_segv=2
in the environment.
* All source files: Merge from upstream 315899.
* asan/Makefile.am (nodist_saninclude_HEADERS): Add
include/sanitizer/tsan_interface.h.
* asan/libtool-version: Bump the libasan SONAME.
* lsan/Makefile.am (sanitizer_lsan_files): Add lsan_common_mac.cc.
(lsan_files): Add lsan_linux.cc, lsan_mac.cc and lsan_malloc_mac.cc.
* sanitizer_common/Makefile.am (sanitizer_common_files): Add
sancov_flags.cc, sanitizer_allocator_checks.cc,
sanitizer_coverage_libcdep_new.cc, sanitizer_errno.cc,
sanitizer_file.cc, sanitizer_mac_libcdep.cc and
sanitizer_stoptheworld_mac.cc. Remove sanitizer_coverage_libcdep.cc
and sanitizer_coverage_mapping_libcdep.cc.
* tsan/Makefile.am (tsan_files): Add tsan_external.cc.
* ubsan/Makefile.am (DEFS): Add -DUBSAN_CAN_USE_CXXABI=1.
(ubsan_files): Add ubsan_init_standalone.cc and
ubsan_signals_standalone.cc.
* ubsan/libtool-version: Bump the libubsan SONAME.
* asan/Makefile.in: Regenerate.
* lsan/Makefile.in: Regenerate.
* sanitizer_common/Makefile.in: Regenerate.
* tsan/Makefile.in: Regenerate.
* ubsan/Makefile.in: Regenerate.
From-SVN: r253887
2017-10-19 13:23:59 +02:00
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// Finds the first allocated memory block in the [*from_ptr, to) range, saves
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// its address in *from_ptr and returns its size. Returns 0 if there are no
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// allocated memory blocks in the range.
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jptr __tsan_java_find(jptr *from_ptr, jptr to) INTERFACE_ATTRIBUTE;
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2013-01-10 13:44:08 +01:00
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// Mutex lock.
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// Addr is any unique address associated with the mutex.
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2013-11-04 22:33:31 +01:00
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// Can be called on recursive reentry.
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2013-01-10 13:44:08 +01:00
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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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2013-11-04 22:33:31 +01:00
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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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2013-01-10 13:44:08 +01:00
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2015-10-21 09:32:45 +02:00
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// Raw acquire/release primitives.
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// Can be used to establish happens-before edges on volatile/final fields,
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// in atomic operations, etc. release_store is the same as release, but it
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// breaks release sequence on addr (see C++ standard 1.10/7 for details).
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void __tsan_java_acquire(jptr addr) INTERFACE_ATTRIBUTE;
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void __tsan_java_release(jptr addr) INTERFACE_ATTRIBUTE;
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void __tsan_java_release_store(jptr addr) INTERFACE_ATTRIBUTE;
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2013-01-10 13:44:08 +01:00
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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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