mirror of
https://github.com/autc04/Retro68.git
synced 2024-09-08 20:55:01 +00:00
250 lines
7.1 KiB
C++
250 lines
7.1 KiB
C++
//===-- tsan_interface_java.cc --------------------------------------------===//
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file is a part of ThreadSanitizer (TSan), a race detector.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "tsan_interface_java.h"
|
|
#include "tsan_rtl.h"
|
|
#include "tsan_mutex.h"
|
|
#include "sanitizer_common/sanitizer_internal_defs.h"
|
|
#include "sanitizer_common/sanitizer_common.h"
|
|
#include "sanitizer_common/sanitizer_placement_new.h"
|
|
#include "sanitizer_common/sanitizer_stacktrace.h"
|
|
#include "sanitizer_common/sanitizer_procmaps.h"
|
|
|
|
using namespace __tsan; // NOLINT
|
|
|
|
const jptr kHeapAlignment = 8;
|
|
|
|
namespace __tsan {
|
|
|
|
struct JavaContext {
|
|
const uptr heap_begin;
|
|
const uptr heap_size;
|
|
|
|
JavaContext(jptr heap_begin, jptr heap_size)
|
|
: heap_begin(heap_begin)
|
|
, heap_size(heap_size) {
|
|
}
|
|
};
|
|
|
|
class ScopedJavaFunc {
|
|
public:
|
|
ScopedJavaFunc(ThreadState *thr, uptr pc)
|
|
: thr_(thr) {
|
|
Initialize(thr_);
|
|
FuncEntry(thr, pc);
|
|
}
|
|
|
|
~ScopedJavaFunc() {
|
|
FuncExit(thr_);
|
|
// FIXME(dvyukov): process pending signals.
|
|
}
|
|
|
|
private:
|
|
ThreadState *thr_;
|
|
};
|
|
|
|
static u64 jctx_buf[sizeof(JavaContext) / sizeof(u64) + 1];
|
|
static JavaContext *jctx;
|
|
|
|
} // namespace __tsan
|
|
|
|
#define SCOPED_JAVA_FUNC(func) \
|
|
ThreadState *thr = cur_thread(); \
|
|
const uptr caller_pc = GET_CALLER_PC(); \
|
|
const uptr pc = StackTrace::GetCurrentPc(); \
|
|
(void)pc; \
|
|
ScopedJavaFunc scoped(thr, caller_pc); \
|
|
/**/
|
|
|
|
void __tsan_java_init(jptr heap_begin, jptr heap_size) {
|
|
SCOPED_JAVA_FUNC(__tsan_java_init);
|
|
DPrintf("#%d: java_init(%p, %p)\n", thr->tid, heap_begin, heap_size);
|
|
CHECK_EQ(jctx, 0);
|
|
CHECK_GT(heap_begin, 0);
|
|
CHECK_GT(heap_size, 0);
|
|
CHECK_EQ(heap_begin % kHeapAlignment, 0);
|
|
CHECK_EQ(heap_size % kHeapAlignment, 0);
|
|
CHECK_LT(heap_begin, heap_begin + heap_size);
|
|
jctx = new(jctx_buf) JavaContext(heap_begin, heap_size);
|
|
}
|
|
|
|
int __tsan_java_fini() {
|
|
SCOPED_JAVA_FUNC(__tsan_java_fini);
|
|
DPrintf("#%d: java_fini()\n", thr->tid);
|
|
CHECK_NE(jctx, 0);
|
|
// FIXME(dvyukov): this does not call atexit() callbacks.
|
|
int status = Finalize(thr);
|
|
DPrintf("#%d: java_fini() = %d\n", thr->tid, status);
|
|
return status;
|
|
}
|
|
|
|
void __tsan_java_alloc(jptr ptr, jptr size) {
|
|
SCOPED_JAVA_FUNC(__tsan_java_alloc);
|
|
DPrintf("#%d: java_alloc(%p, %p)\n", thr->tid, ptr, size);
|
|
CHECK_NE(jctx, 0);
|
|
CHECK_NE(size, 0);
|
|
CHECK_EQ(ptr % kHeapAlignment, 0);
|
|
CHECK_EQ(size % kHeapAlignment, 0);
|
|
CHECK_GE(ptr, jctx->heap_begin);
|
|
CHECK_LE(ptr + size, jctx->heap_begin + jctx->heap_size);
|
|
|
|
OnUserAlloc(thr, pc, ptr, size, false);
|
|
}
|
|
|
|
void __tsan_java_free(jptr ptr, jptr size) {
|
|
SCOPED_JAVA_FUNC(__tsan_java_free);
|
|
DPrintf("#%d: java_free(%p, %p)\n", thr->tid, ptr, size);
|
|
CHECK_NE(jctx, 0);
|
|
CHECK_NE(size, 0);
|
|
CHECK_EQ(ptr % kHeapAlignment, 0);
|
|
CHECK_EQ(size % kHeapAlignment, 0);
|
|
CHECK_GE(ptr, jctx->heap_begin);
|
|
CHECK_LE(ptr + size, jctx->heap_begin + jctx->heap_size);
|
|
|
|
ctx->metamap.FreeRange(thr, pc, ptr, size);
|
|
}
|
|
|
|
void __tsan_java_move(jptr src, jptr dst, jptr size) {
|
|
SCOPED_JAVA_FUNC(__tsan_java_move);
|
|
DPrintf("#%d: java_move(%p, %p, %p)\n", thr->tid, src, dst, size);
|
|
CHECK_NE(jctx, 0);
|
|
CHECK_NE(size, 0);
|
|
CHECK_EQ(src % kHeapAlignment, 0);
|
|
CHECK_EQ(dst % kHeapAlignment, 0);
|
|
CHECK_EQ(size % kHeapAlignment, 0);
|
|
CHECK_GE(src, jctx->heap_begin);
|
|
CHECK_LE(src + size, jctx->heap_begin + jctx->heap_size);
|
|
CHECK_GE(dst, jctx->heap_begin);
|
|
CHECK_LE(dst + size, jctx->heap_begin + jctx->heap_size);
|
|
CHECK_NE(dst, src);
|
|
CHECK_NE(size, 0);
|
|
|
|
// Assuming it's not running concurrently with threads that do
|
|
// memory accesses and mutex operations (stop-the-world phase).
|
|
ctx->metamap.MoveMemory(src, dst, size);
|
|
|
|
// Move shadow.
|
|
u64 *s = (u64*)MemToShadow(src);
|
|
u64 *d = (u64*)MemToShadow(dst);
|
|
u64 *send = (u64*)MemToShadow(src + size);
|
|
uptr inc = 1;
|
|
if (dst > src) {
|
|
s = (u64*)MemToShadow(src + size) - 1;
|
|
d = (u64*)MemToShadow(dst + size) - 1;
|
|
send = (u64*)MemToShadow(src) - 1;
|
|
inc = -1;
|
|
}
|
|
for (; s != send; s += inc, d += inc) {
|
|
*d = *s;
|
|
*s = 0;
|
|
}
|
|
}
|
|
|
|
void __tsan_java_finalize() {
|
|
SCOPED_JAVA_FUNC(__tsan_java_finalize);
|
|
DPrintf("#%d: java_mutex_finalize()\n", thr->tid);
|
|
AcquireGlobal(thr, 0);
|
|
}
|
|
|
|
void __tsan_java_mutex_lock(jptr addr) {
|
|
SCOPED_JAVA_FUNC(__tsan_java_mutex_lock);
|
|
DPrintf("#%d: java_mutex_lock(%p)\n", thr->tid, addr);
|
|
CHECK_NE(jctx, 0);
|
|
CHECK_GE(addr, jctx->heap_begin);
|
|
CHECK_LT(addr, jctx->heap_begin + jctx->heap_size);
|
|
|
|
MutexCreate(thr, pc, addr, true, true, true);
|
|
MutexLock(thr, pc, addr);
|
|
}
|
|
|
|
void __tsan_java_mutex_unlock(jptr addr) {
|
|
SCOPED_JAVA_FUNC(__tsan_java_mutex_unlock);
|
|
DPrintf("#%d: java_mutex_unlock(%p)\n", thr->tid, addr);
|
|
CHECK_NE(jctx, 0);
|
|
CHECK_GE(addr, jctx->heap_begin);
|
|
CHECK_LT(addr, jctx->heap_begin + jctx->heap_size);
|
|
|
|
MutexUnlock(thr, pc, addr);
|
|
}
|
|
|
|
void __tsan_java_mutex_read_lock(jptr addr) {
|
|
SCOPED_JAVA_FUNC(__tsan_java_mutex_read_lock);
|
|
DPrintf("#%d: java_mutex_read_lock(%p)\n", thr->tid, addr);
|
|
CHECK_NE(jctx, 0);
|
|
CHECK_GE(addr, jctx->heap_begin);
|
|
CHECK_LT(addr, jctx->heap_begin + jctx->heap_size);
|
|
|
|
MutexCreate(thr, pc, addr, true, true, true);
|
|
MutexReadLock(thr, pc, addr);
|
|
}
|
|
|
|
void __tsan_java_mutex_read_unlock(jptr addr) {
|
|
SCOPED_JAVA_FUNC(__tsan_java_mutex_read_unlock);
|
|
DPrintf("#%d: java_mutex_read_unlock(%p)\n", thr->tid, addr);
|
|
CHECK_NE(jctx, 0);
|
|
CHECK_GE(addr, jctx->heap_begin);
|
|
CHECK_LT(addr, jctx->heap_begin + jctx->heap_size);
|
|
|
|
MutexReadUnlock(thr, pc, addr);
|
|
}
|
|
|
|
void __tsan_java_mutex_lock_rec(jptr addr, int rec) {
|
|
SCOPED_JAVA_FUNC(__tsan_java_mutex_lock_rec);
|
|
DPrintf("#%d: java_mutex_lock_rec(%p, %d)\n", thr->tid, addr, rec);
|
|
CHECK_NE(jctx, 0);
|
|
CHECK_GE(addr, jctx->heap_begin);
|
|
CHECK_LT(addr, jctx->heap_begin + jctx->heap_size);
|
|
CHECK_GT(rec, 0);
|
|
|
|
MutexCreate(thr, pc, addr, true, true, true);
|
|
MutexLock(thr, pc, addr, rec);
|
|
}
|
|
|
|
int __tsan_java_mutex_unlock_rec(jptr addr) {
|
|
SCOPED_JAVA_FUNC(__tsan_java_mutex_unlock_rec);
|
|
DPrintf("#%d: java_mutex_unlock_rec(%p)\n", thr->tid, addr);
|
|
CHECK_NE(jctx, 0);
|
|
CHECK_GE(addr, jctx->heap_begin);
|
|
CHECK_LT(addr, jctx->heap_begin + jctx->heap_size);
|
|
|
|
return MutexUnlock(thr, pc, addr, true);
|
|
}
|
|
|
|
void __tsan_java_acquire(jptr addr) {
|
|
SCOPED_JAVA_FUNC(__tsan_java_acquire);
|
|
DPrintf("#%d: java_acquire(%p)\n", thr->tid, addr);
|
|
CHECK_NE(jctx, 0);
|
|
CHECK_GE(addr, jctx->heap_begin);
|
|
CHECK_LT(addr, jctx->heap_begin + jctx->heap_size);
|
|
|
|
Acquire(thr, caller_pc, addr);
|
|
}
|
|
|
|
void __tsan_java_release(jptr addr) {
|
|
SCOPED_JAVA_FUNC(__tsan_java_release);
|
|
DPrintf("#%d: java_release(%p)\n", thr->tid, addr);
|
|
CHECK_NE(jctx, 0);
|
|
CHECK_GE(addr, jctx->heap_begin);
|
|
CHECK_LT(addr, jctx->heap_begin + jctx->heap_size);
|
|
|
|
Release(thr, caller_pc, addr);
|
|
}
|
|
|
|
void __tsan_java_release_store(jptr addr) {
|
|
SCOPED_JAVA_FUNC(__tsan_java_release);
|
|
DPrintf("#%d: java_release_store(%p)\n", thr->tid, addr);
|
|
CHECK_NE(jctx, 0);
|
|
CHECK_GE(addr, jctx->heap_begin);
|
|
CHECK_LT(addr, jctx->heap_begin + jctx->heap_size);
|
|
|
|
ReleaseStore(thr, caller_pc, addr);
|
|
}
|