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https://github.com/golang/go
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runtime: declare arg size/map for race version of sync/atomic functions
The argument size and map are used in stack scanning if those functions are deferred. Declare the right argument size and map so they can be scanned correctly. Fixes #42599. Change-Id: I74f9409d574cf7c383f4d8f83e38521026b48861 Reviewed-on: https://go-review.googlesource.com/c/go/+/270079 Trust: Cherry Zhang <cherryyz@google.com> Run-TryBot: Cherry Zhang <cherryyz@google.com> Reviewed-by: Keith Randall <khr@golang.org>
This commit is contained in:
Cherry Zhang
parent
d70a33a40b
commit
0932dc2118
24
src/runtime/race/testdata/atomic_test.go
vendored
24
src/runtime/race/testdata/atomic_test.go
vendored
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@ -299,3 +299,27 @@ func TestNoRaceAtomicCrash(t *testing.T) {
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}()
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atomic.AddInt32(nilptr, 1)
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}
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func TestNoRaceDeferAtomicStore(t *testing.T) {
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// Test that when an atomic function is deferred directly, the
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// GC scans it correctly. See issue 42599.
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type foo struct {
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bar int64
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}
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var doFork func(f *foo, depth int)
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doFork = func(f *foo, depth int) {
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atomic.StoreInt64(&f.bar, 1)
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defer atomic.StoreInt64(&f.bar, 0)
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if depth > 0 {
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for i := 0; i < 2; i++ {
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f2 := &foo{}
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go doFork(f2, depth-1)
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}
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}
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runtime.GC()
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}
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f := &foo{}
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doFork(f, 11)
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}
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@ -207,110 +207,136 @@ TEXT runtime·racefuncexit(SB), NOSPLIT, $0-0
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// Atomic operations for sync/atomic package.
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// Load
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TEXT sync∕atomic·LoadInt32(SB), NOSPLIT, $0-0
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TEXT sync∕atomic·LoadInt32(SB), NOSPLIT, $0-12
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GO_ARGS
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MOVQ $__tsan_go_atomic32_load(SB), AX
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CALL racecallatomic<>(SB)
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RET
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TEXT sync∕atomic·LoadInt64(SB), NOSPLIT, $0-0
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TEXT sync∕atomic·LoadInt64(SB), NOSPLIT, $0-16
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GO_ARGS
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MOVQ $__tsan_go_atomic64_load(SB), AX
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CALL racecallatomic<>(SB)
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RET
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TEXT sync∕atomic·LoadUint32(SB), NOSPLIT, $0-0
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TEXT sync∕atomic·LoadUint32(SB), NOSPLIT, $0-12
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GO_ARGS
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JMP sync∕atomic·LoadInt32(SB)
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TEXT sync∕atomic·LoadUint64(SB), NOSPLIT, $0-0
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TEXT sync∕atomic·LoadUint64(SB), NOSPLIT, $0-16
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GO_ARGS
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JMP sync∕atomic·LoadInt64(SB)
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TEXT sync∕atomic·LoadUintptr(SB), NOSPLIT, $0-0
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TEXT sync∕atomic·LoadUintptr(SB), NOSPLIT, $0-16
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GO_ARGS
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JMP sync∕atomic·LoadInt64(SB)
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TEXT sync∕atomic·LoadPointer(SB), NOSPLIT, $0-0
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TEXT sync∕atomic·LoadPointer(SB), NOSPLIT, $0-16
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GO_ARGS
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JMP sync∕atomic·LoadInt64(SB)
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// Store
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TEXT sync∕atomic·StoreInt32(SB), NOSPLIT, $0-0
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TEXT sync∕atomic·StoreInt32(SB), NOSPLIT, $0-12
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GO_ARGS
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MOVQ $__tsan_go_atomic32_store(SB), AX
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CALL racecallatomic<>(SB)
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RET
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TEXT sync∕atomic·StoreInt64(SB), NOSPLIT, $0-0
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TEXT sync∕atomic·StoreInt64(SB), NOSPLIT, $0-16
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GO_ARGS
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MOVQ $__tsan_go_atomic64_store(SB), AX
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CALL racecallatomic<>(SB)
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RET
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TEXT sync∕atomic·StoreUint32(SB), NOSPLIT, $0-0
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TEXT sync∕atomic·StoreUint32(SB), NOSPLIT, $0-12
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GO_ARGS
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JMP sync∕atomic·StoreInt32(SB)
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TEXT sync∕atomic·StoreUint64(SB), NOSPLIT, $0-0
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TEXT sync∕atomic·StoreUint64(SB), NOSPLIT, $0-16
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GO_ARGS
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JMP sync∕atomic·StoreInt64(SB)
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TEXT sync∕atomic·StoreUintptr(SB), NOSPLIT, $0-0
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TEXT sync∕atomic·StoreUintptr(SB), NOSPLIT, $0-16
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GO_ARGS
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JMP sync∕atomic·StoreInt64(SB)
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// Swap
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TEXT sync∕atomic·SwapInt32(SB), NOSPLIT, $0-0
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TEXT sync∕atomic·SwapInt32(SB), NOSPLIT, $0-20
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GO_ARGS
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MOVQ $__tsan_go_atomic32_exchange(SB), AX
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CALL racecallatomic<>(SB)
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RET
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TEXT sync∕atomic·SwapInt64(SB), NOSPLIT, $0-0
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TEXT sync∕atomic·SwapInt64(SB), NOSPLIT, $0-24
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GO_ARGS
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MOVQ $__tsan_go_atomic64_exchange(SB), AX
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CALL racecallatomic<>(SB)
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RET
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TEXT sync∕atomic·SwapUint32(SB), NOSPLIT, $0-0
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TEXT sync∕atomic·SwapUint32(SB), NOSPLIT, $0-20
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GO_ARGS
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JMP sync∕atomic·SwapInt32(SB)
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TEXT sync∕atomic·SwapUint64(SB), NOSPLIT, $0-0
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TEXT sync∕atomic·SwapUint64(SB), NOSPLIT, $0-24
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GO_ARGS
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JMP sync∕atomic·SwapInt64(SB)
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TEXT sync∕atomic·SwapUintptr(SB), NOSPLIT, $0-0
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TEXT sync∕atomic·SwapUintptr(SB), NOSPLIT, $0-24
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GO_ARGS
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JMP sync∕atomic·SwapInt64(SB)
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// Add
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TEXT sync∕atomic·AddInt32(SB), NOSPLIT, $0-0
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TEXT sync∕atomic·AddInt32(SB), NOSPLIT, $0-20
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GO_ARGS
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MOVQ $__tsan_go_atomic32_fetch_add(SB), AX
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CALL racecallatomic<>(SB)
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MOVL add+8(FP), AX // convert fetch_add to add_fetch
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ADDL AX, ret+16(FP)
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RET
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TEXT sync∕atomic·AddInt64(SB), NOSPLIT, $0-0
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TEXT sync∕atomic·AddInt64(SB), NOSPLIT, $0-24
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GO_ARGS
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MOVQ $__tsan_go_atomic64_fetch_add(SB), AX
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CALL racecallatomic<>(SB)
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MOVQ add+8(FP), AX // convert fetch_add to add_fetch
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ADDQ AX, ret+16(FP)
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RET
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TEXT sync∕atomic·AddUint32(SB), NOSPLIT, $0-0
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TEXT sync∕atomic·AddUint32(SB), NOSPLIT, $0-20
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GO_ARGS
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JMP sync∕atomic·AddInt32(SB)
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TEXT sync∕atomic·AddUint64(SB), NOSPLIT, $0-0
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TEXT sync∕atomic·AddUint64(SB), NOSPLIT, $0-24
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GO_ARGS
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JMP sync∕atomic·AddInt64(SB)
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TEXT sync∕atomic·AddUintptr(SB), NOSPLIT, $0-0
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TEXT sync∕atomic·AddUintptr(SB), NOSPLIT, $0-24
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GO_ARGS
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JMP sync∕atomic·AddInt64(SB)
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// CompareAndSwap
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TEXT sync∕atomic·CompareAndSwapInt32(SB), NOSPLIT, $0-0
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TEXT sync∕atomic·CompareAndSwapInt32(SB), NOSPLIT, $0-17
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GO_ARGS
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MOVQ $__tsan_go_atomic32_compare_exchange(SB), AX
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CALL racecallatomic<>(SB)
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RET
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TEXT sync∕atomic·CompareAndSwapInt64(SB), NOSPLIT, $0-0
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TEXT sync∕atomic·CompareAndSwapInt64(SB), NOSPLIT, $0-25
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GO_ARGS
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MOVQ $__tsan_go_atomic64_compare_exchange(SB), AX
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CALL racecallatomic<>(SB)
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RET
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TEXT sync∕atomic·CompareAndSwapUint32(SB), NOSPLIT, $0-0
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TEXT sync∕atomic·CompareAndSwapUint32(SB), NOSPLIT, $0-17
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GO_ARGS
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JMP sync∕atomic·CompareAndSwapInt32(SB)
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TEXT sync∕atomic·CompareAndSwapUint64(SB), NOSPLIT, $0-0
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TEXT sync∕atomic·CompareAndSwapUint64(SB), NOSPLIT, $0-25
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GO_ARGS
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JMP sync∕atomic·CompareAndSwapInt64(SB)
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TEXT sync∕atomic·CompareAndSwapUintptr(SB), NOSPLIT, $0-0
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TEXT sync∕atomic·CompareAndSwapUintptr(SB), NOSPLIT, $0-25
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GO_ARGS
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JMP sync∕atomic·CompareAndSwapInt64(SB)
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// Generic atomic operation implementation.
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@ -200,86 +200,86 @@ TEXT runtime·racefuncexit(SB), NOSPLIT, $0-0
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// R0, R1, R2 set in racecallatomic
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// Load
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TEXT sync∕atomic·LoadInt32(SB), NOSPLIT, $0
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TEXT sync∕atomic·LoadInt32(SB), NOSPLIT, $0-12
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GO_ARGS
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MOVD $__tsan_go_atomic32_load(SB), R9
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BL racecallatomic<>(SB)
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RET
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TEXT sync∕atomic·LoadInt64(SB), NOSPLIT, $0
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TEXT sync∕atomic·LoadInt64(SB), NOSPLIT, $0-16
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GO_ARGS
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MOVD $__tsan_go_atomic64_load(SB), R9
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BL racecallatomic<>(SB)
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RET
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TEXT sync∕atomic·LoadUint32(SB), NOSPLIT, $0
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TEXT sync∕atomic·LoadUint32(SB), NOSPLIT, $0-12
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GO_ARGS
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JMP sync∕atomic·LoadInt32(SB)
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TEXT sync∕atomic·LoadUint64(SB), NOSPLIT, $0
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TEXT sync∕atomic·LoadUint64(SB), NOSPLIT, $0-16
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GO_ARGS
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JMP sync∕atomic·LoadInt64(SB)
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TEXT sync∕atomic·LoadUintptr(SB), NOSPLIT, $0
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TEXT sync∕atomic·LoadUintptr(SB), NOSPLIT, $0-16
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GO_ARGS
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JMP sync∕atomic·LoadInt64(SB)
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TEXT sync∕atomic·LoadPointer(SB), NOSPLIT, $0
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TEXT sync∕atomic·LoadPointer(SB), NOSPLIT, $0-16
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GO_ARGS
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JMP sync∕atomic·LoadInt64(SB)
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// Store
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TEXT sync∕atomic·StoreInt32(SB), NOSPLIT, $0
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TEXT sync∕atomic·StoreInt32(SB), NOSPLIT, $0-12
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GO_ARGS
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MOVD $__tsan_go_atomic32_store(SB), R9
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BL racecallatomic<>(SB)
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RET
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TEXT sync∕atomic·StoreInt64(SB), NOSPLIT, $0
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TEXT sync∕atomic·StoreInt64(SB), NOSPLIT, $0-16
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GO_ARGS
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MOVD $__tsan_go_atomic64_store(SB), R9
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BL racecallatomic<>(SB)
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RET
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TEXT sync∕atomic·StoreUint32(SB), NOSPLIT, $0
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TEXT sync∕atomic·StoreUint32(SB), NOSPLIT, $0-12
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GO_ARGS
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JMP sync∕atomic·StoreInt32(SB)
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TEXT sync∕atomic·StoreUint64(SB), NOSPLIT, $0
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TEXT sync∕atomic·StoreUint64(SB), NOSPLIT, $0-16
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GO_ARGS
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JMP sync∕atomic·StoreInt64(SB)
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TEXT sync∕atomic·StoreUintptr(SB), NOSPLIT, $0
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TEXT sync∕atomic·StoreUintptr(SB), NOSPLIT, $0-16
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GO_ARGS
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JMP sync∕atomic·StoreInt64(SB)
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// Swap
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TEXT sync∕atomic·SwapInt32(SB), NOSPLIT, $0
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TEXT sync∕atomic·SwapInt32(SB), NOSPLIT, $0-20
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GO_ARGS
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MOVD $__tsan_go_atomic32_exchange(SB), R9
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BL racecallatomic<>(SB)
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RET
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TEXT sync∕atomic·SwapInt64(SB), NOSPLIT, $0
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TEXT sync∕atomic·SwapInt64(SB), NOSPLIT, $0-24
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GO_ARGS
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MOVD $__tsan_go_atomic64_exchange(SB), R9
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BL racecallatomic<>(SB)
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RET
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TEXT sync∕atomic·SwapUint32(SB), NOSPLIT, $0
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TEXT sync∕atomic·SwapUint32(SB), NOSPLIT, $0-20
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GO_ARGS
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JMP sync∕atomic·SwapInt32(SB)
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TEXT sync∕atomic·SwapUint64(SB), NOSPLIT, $0
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TEXT sync∕atomic·SwapUint64(SB), NOSPLIT, $0-24
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GO_ARGS
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JMP sync∕atomic·SwapInt64(SB)
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TEXT sync∕atomic·SwapUintptr(SB), NOSPLIT, $0
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TEXT sync∕atomic·SwapUintptr(SB), NOSPLIT, $0-24
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GO_ARGS
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JMP sync∕atomic·SwapInt64(SB)
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// Add
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TEXT sync∕atomic·AddInt32(SB), NOSPLIT, $0
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TEXT sync∕atomic·AddInt32(SB), NOSPLIT, $0-20
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GO_ARGS
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MOVD $__tsan_go_atomic32_fetch_add(SB), R9
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BL racecallatomic<>(SB)
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@ -289,7 +289,7 @@ TEXT sync∕atomic·AddInt32(SB), NOSPLIT, $0
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MOVW R0, ret+16(FP)
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RET
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TEXT sync∕atomic·AddInt64(SB), NOSPLIT, $0
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TEXT sync∕atomic·AddInt64(SB), NOSPLIT, $0-24
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GO_ARGS
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MOVD $__tsan_go_atomic64_fetch_add(SB), R9
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BL racecallatomic<>(SB)
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@ -299,40 +299,40 @@ TEXT sync∕atomic·AddInt64(SB), NOSPLIT, $0
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MOVD R0, ret+16(FP)
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RET
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TEXT sync∕atomic·AddUint32(SB), NOSPLIT, $0
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TEXT sync∕atomic·AddUint32(SB), NOSPLIT, $0-20
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GO_ARGS
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JMP sync∕atomic·AddInt32(SB)
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TEXT sync∕atomic·AddUint64(SB), NOSPLIT, $0
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TEXT sync∕atomic·AddUint64(SB), NOSPLIT, $0-24
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GO_ARGS
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JMP sync∕atomic·AddInt64(SB)
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TEXT sync∕atomic·AddUintptr(SB), NOSPLIT, $0
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TEXT sync∕atomic·AddUintptr(SB), NOSPLIT, $0-24
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GO_ARGS
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JMP sync∕atomic·AddInt64(SB)
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// CompareAndSwap
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TEXT sync∕atomic·CompareAndSwapInt32(SB), NOSPLIT, $0
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TEXT sync∕atomic·CompareAndSwapInt32(SB), NOSPLIT, $0-17
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GO_ARGS
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MOVD $__tsan_go_atomic32_compare_exchange(SB), R9
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BL racecallatomic<>(SB)
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RET
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TEXT sync∕atomic·CompareAndSwapInt64(SB), NOSPLIT, $0
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TEXT sync∕atomic·CompareAndSwapInt64(SB), NOSPLIT, $0-25
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GO_ARGS
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MOVD $__tsan_go_atomic64_compare_exchange(SB), R9
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BL racecallatomic<>(SB)
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RET
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TEXT sync∕atomic·CompareAndSwapUint32(SB), NOSPLIT, $0
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TEXT sync∕atomic·CompareAndSwapUint32(SB), NOSPLIT, $0-17
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GO_ARGS
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JMP sync∕atomic·CompareAndSwapInt32(SB)
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TEXT sync∕atomic·CompareAndSwapUint64(SB), NOSPLIT, $0
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TEXT sync∕atomic·CompareAndSwapUint64(SB), NOSPLIT, $0-25
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GO_ARGS
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JMP sync∕atomic·CompareAndSwapInt64(SB)
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TEXT sync∕atomic·CompareAndSwapUintptr(SB), NOSPLIT, $0
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TEXT sync∕atomic·CompareAndSwapUintptr(SB), NOSPLIT, $0-25
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GO_ARGS
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JMP sync∕atomic·CompareAndSwapInt64(SB)
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|
|
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@ -207,78 +207,95 @@ TEXT runtime·racefuncexit(SB), NOSPLIT, $0-0
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// R3, R4, R5 set in racecallatomic
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// Load atomic in tsan
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TEXT sync∕atomic·LoadInt32(SB), NOSPLIT, $0-0
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TEXT sync∕atomic·LoadInt32(SB), NOSPLIT, $0-12
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GO_ARGS
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// void __tsan_go_atomic32_load(ThreadState *thr, uptr cpc, uptr pc, u8 *a);
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MOVD $__tsan_go_atomic32_load(SB), R8
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ADD $32, R1, R6 // addr of caller's 1st arg
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BR racecallatomic<>(SB)
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RET
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TEXT sync∕atomic·LoadInt64(SB), NOSPLIT, $0-0
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TEXT sync∕atomic·LoadInt64(SB), NOSPLIT, $0-16
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GO_ARGS
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// void __tsan_go_atomic64_load(ThreadState *thr, uptr cpc, uptr pc, u8 *a);
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MOVD $__tsan_go_atomic64_load(SB), R8
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ADD $32, R1, R6 // addr of caller's 1st arg
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BR racecallatomic<>(SB)
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RET
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TEXT sync∕atomic·LoadUint32(SB), NOSPLIT, $0-0
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TEXT sync∕atomic·LoadUint32(SB), NOSPLIT, $0-12
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GO_ARGS
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BR sync∕atomic·LoadInt32(SB)
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TEXT sync∕atomic·LoadUint64(SB), NOSPLIT, $0-0
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TEXT sync∕atomic·LoadUint64(SB), NOSPLIT, $0-16
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GO_ARGS
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BR sync∕atomic·LoadInt64(SB)
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TEXT sync∕atomic·LoadUintptr(SB), NOSPLIT, $0-0
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TEXT sync∕atomic·LoadUintptr(SB), NOSPLIT, $0-16
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GO_ARGS
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BR sync∕atomic·LoadInt64(SB)
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TEXT sync∕atomic·LoadPointer(SB), NOSPLIT, $0-0
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TEXT sync∕atomic·LoadPointer(SB), NOSPLIT, $0-16
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GO_ARGS
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BR sync∕atomic·LoadInt64(SB)
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// Store atomic in tsan
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TEXT sync∕atomic·StoreInt32(SB), NOSPLIT, $0-0
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TEXT sync∕atomic·StoreInt32(SB), NOSPLIT, $0-12
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GO_ARGS
|
||||
// void __tsan_go_atomic32_store(ThreadState *thr, uptr cpc, uptr pc, u8 *a);
|
||||
MOVD $__tsan_go_atomic32_store(SB), R8
|
||||
ADD $32, R1, R6 // addr of caller's 1st arg
|
||||
BR racecallatomic<>(SB)
|
||||
|
||||
TEXT sync∕atomic·StoreInt64(SB), NOSPLIT, $0-0
|
||||
TEXT sync∕atomic·StoreInt64(SB), NOSPLIT, $0-16
|
||||
GO_ARGS
|
||||
// void __tsan_go_atomic64_store(ThreadState *thr, uptr cpc, uptr pc, u8 *a);
|
||||
MOVD $__tsan_go_atomic64_store(SB), R8
|
||||
ADD $32, R1, R6 // addr of caller's 1st arg
|
||||
BR racecallatomic<>(SB)
|
||||
|
||||
TEXT sync∕atomic·StoreUint32(SB), NOSPLIT, $0-0
|
||||
TEXT sync∕atomic·StoreUint32(SB), NOSPLIT, $0-12
|
||||
GO_ARGS
|
||||
BR sync∕atomic·StoreInt32(SB)
|
||||
|
||||
TEXT sync∕atomic·StoreUint64(SB), NOSPLIT, $0-0
|
||||
TEXT sync∕atomic·StoreUint64(SB), NOSPLIT, $0-16
|
||||
GO_ARGS
|
||||
BR sync∕atomic·StoreInt64(SB)
|
||||
|
||||
TEXT sync∕atomic·StoreUintptr(SB), NOSPLIT, $0-0
|
||||
TEXT sync∕atomic·StoreUintptr(SB), NOSPLIT, $0-16
|
||||
GO_ARGS
|
||||
BR sync∕atomic·StoreInt64(SB)
|
||||
|
||||
// Swap in tsan
|
||||
TEXT sync∕atomic·SwapInt32(SB), NOSPLIT, $0-0
|
||||
TEXT sync∕atomic·SwapInt32(SB), NOSPLIT, $0-20
|
||||
GO_ARGS
|
||||
// void __tsan_go_atomic32_exchange(ThreadState *thr, uptr cpc, uptr pc, u8 *a);
|
||||
MOVD $__tsan_go_atomic32_exchange(SB), R8
|
||||
ADD $32, R1, R6 // addr of caller's 1st arg
|
||||
BR racecallatomic<>(SB)
|
||||
|
||||
TEXT sync∕atomic·SwapInt64(SB), NOSPLIT, $0-0
|
||||
TEXT sync∕atomic·SwapInt64(SB), NOSPLIT, $0-24
|
||||
GO_ARGS
|
||||
// void __tsan_go_atomic64_exchange(ThreadState *thr, uptr cpc, uptr pc, u8 *a)
|
||||
MOVD $__tsan_go_atomic64_exchange(SB), R8
|
||||
ADD $32, R1, R6 // addr of caller's 1st arg
|
||||
BR racecallatomic<>(SB)
|
||||
|
||||
TEXT sync∕atomic·SwapUint32(SB), NOSPLIT, $0-0
|
||||
TEXT sync∕atomic·SwapUint32(SB), NOSPLIT, $0-20
|
||||
GO_ARGS
|
||||
BR sync∕atomic·SwapInt32(SB)
|
||||
|
||||
TEXT sync∕atomic·SwapUint64(SB), NOSPLIT, $0-0
|
||||
TEXT sync∕atomic·SwapUint64(SB), NOSPLIT, $0-24
|
||||
GO_ARGS
|
||||
BR sync∕atomic·SwapInt64(SB)
|
||||
|
||||
TEXT sync∕atomic·SwapUintptr(SB), NOSPLIT, $0-0
|
||||
TEXT sync∕atomic·SwapUintptr(SB), NOSPLIT, $0-24
|
||||
GO_ARGS
|
||||
BR sync∕atomic·SwapInt64(SB)
|
||||
|
||||
// Add atomic in tsan
|
||||
TEXT sync∕atomic·AddInt32(SB), NOSPLIT, $0-0
|
||||
TEXT sync∕atomic·AddInt32(SB), NOSPLIT, $0-20
|
||||
GO_ARGS
|
||||
// void __tsan_go_atomic32_fetch_add(ThreadState *thr, uptr cpc, uptr pc, u8 *a);
|
||||
MOVD $__tsan_go_atomic32_fetch_add(SB), R8
|
||||
ADD $64, R1, R6 // addr of caller's 1st arg
|
||||
|
|
@ -291,7 +308,8 @@ TEXT sync∕atomic·AddInt32(SB), NOSPLIT, $0-0
|
|||
MOVW R3, ret+16(FP)
|
||||
RET
|
||||
|
||||
TEXT sync∕atomic·AddInt64(SB), NOSPLIT, $0-0
|
||||
TEXT sync∕atomic·AddInt64(SB), NOSPLIT, $0-24
|
||||
GO_ARGS
|
||||
// void __tsan_go_atomic64_fetch_add(ThreadState *thr, uptr cpc, uptr pc, u8 *a);
|
||||
MOVD $__tsan_go_atomic64_fetch_add(SB), R8
|
||||
ADD $64, R1, R6 // addr of caller's 1st arg
|
||||
|
|
@ -304,37 +322,45 @@ TEXT sync∕atomic·AddInt64(SB), NOSPLIT, $0-0
|
|||
MOVD R3, ret+16(FP)
|
||||
RET
|
||||
|
||||
TEXT sync∕atomic·AddUint32(SB), NOSPLIT, $0-0
|
||||
TEXT sync∕atomic·AddUint32(SB), NOSPLIT, $0-20
|
||||
GO_ARGS
|
||||
BR sync∕atomic·AddInt32(SB)
|
||||
|
||||
TEXT sync∕atomic·AddUint64(SB), NOSPLIT, $0-0
|
||||
TEXT sync∕atomic·AddUint64(SB), NOSPLIT, $0-24
|
||||
GO_ARGS
|
||||
BR sync∕atomic·AddInt64(SB)
|
||||
|
||||
TEXT sync∕atomic·AddUintptr(SB), NOSPLIT, $0-0
|
||||
TEXT sync∕atomic·AddUintptr(SB), NOSPLIT, $0-24
|
||||
GO_ARGS
|
||||
BR sync∕atomic·AddInt64(SB)
|
||||
|
||||
// CompareAndSwap in tsan
|
||||
TEXT sync∕atomic·CompareAndSwapInt32(SB), NOSPLIT, $0-0
|
||||
TEXT sync∕atomic·CompareAndSwapInt32(SB), NOSPLIT, $0-17
|
||||
GO_ARGS
|
||||
// void __tsan_go_atomic32_compare_exchange(
|
||||
// ThreadState *thr, uptr cpc, uptr pc, u8 *a)
|
||||
MOVD $__tsan_go_atomic32_compare_exchange(SB), R8
|
||||
ADD $32, R1, R6 // addr of caller's 1st arg
|
||||
BR racecallatomic<>(SB)
|
||||
|
||||
TEXT sync∕atomic·CompareAndSwapInt64(SB), NOSPLIT, $0-0
|
||||
TEXT sync∕atomic·CompareAndSwapInt64(SB), NOSPLIT, $0-25
|
||||
GO_ARGS
|
||||
// void __tsan_go_atomic32_compare_exchange(
|
||||
// ThreadState *thr, uptr cpc, uptr pc, u8 *a)
|
||||
MOVD $__tsan_go_atomic64_compare_exchange(SB), R8
|
||||
ADD $32, R1, R6 // addr of caller's 1st arg
|
||||
BR racecallatomic<>(SB)
|
||||
|
||||
TEXT sync∕atomic·CompareAndSwapUint32(SB), NOSPLIT, $0-0
|
||||
TEXT sync∕atomic·CompareAndSwapUint32(SB), NOSPLIT, $0-17
|
||||
GO_ARGS
|
||||
BR sync∕atomic·CompareAndSwapInt32(SB)
|
||||
|
||||
TEXT sync∕atomic·CompareAndSwapUint64(SB), NOSPLIT, $0-0
|
||||
TEXT sync∕atomic·CompareAndSwapUint64(SB), NOSPLIT, $0-25
|
||||
GO_ARGS
|
||||
BR sync∕atomic·CompareAndSwapInt64(SB)
|
||||
|
||||
TEXT sync∕atomic·CompareAndSwapUintptr(SB), NOSPLIT, $0-0
|
||||
TEXT sync∕atomic·CompareAndSwapUintptr(SB), NOSPLIT, $0-25
|
||||
GO_ARGS
|
||||
BR sync∕atomic·CompareAndSwapInt64(SB)
|
||||
|
||||
// Common function used to call tsan's atomic functions
|
||||
|
|
|
|||
Loading…
Reference in a new issue