diff options
Diffstat (limited to 'pkg/safecopy/atomic_amd64.s')
| -rw-r--r-- | pkg/safecopy/atomic_amd64.s | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/pkg/safecopy/atomic_amd64.s b/pkg/safecopy/atomic_amd64.s index 290579e53..d513f16c9 100644 --- a/pkg/safecopy/atomic_amd64.s +++ b/pkg/safecopy/atomic_amd64.s @@ -24,12 +24,12 @@ TEXT handleSwapUint32Fault(SB), NOSPLIT, $0-24 MOVL DI, sig+20(FP) RET -// swapUint32 atomically stores new into *addr and returns (the previous *addr +// swapUint32 atomically stores new into *ptr and returns (the previous ptr* // value, 0). If a SIGSEGV or SIGBUS signal is received during the swap, the // value of old is unspecified, and sig is the number of the signal that was // received. // -// Preconditions: addr must be aligned to a 4-byte boundary. +// Preconditions: ptr must be aligned to a 4-byte boundary. // //func swapUint32(ptr unsafe.Pointer, new uint32) (old uint32, sig int32) TEXT ·swapUint32(SB), NOSPLIT, $0-24 @@ -38,7 +38,7 @@ TEXT ·swapUint32(SB), NOSPLIT, $0-24 // handleSwapUint32Fault will store a different value in this address. MOVL $0, sig+20(FP) - MOVQ addr+0(FP), DI + MOVQ ptr+0(FP), DI MOVL new+8(FP), AX XCHGL AX, 0(DI) MOVL AX, old+16(FP) @@ -60,12 +60,12 @@ TEXT handleSwapUint64Fault(SB), NOSPLIT, $0-28 MOVL DI, sig+24(FP) RET -// swapUint64 atomically stores new into *addr and returns (the previous *addr +// swapUint64 atomically stores new into *ptr and returns (the previous *ptr // value, 0). If a SIGSEGV or SIGBUS signal is received during the swap, the // value of old is unspecified, and sig is the number of the signal that was // received. // -// Preconditions: addr must be aligned to a 8-byte boundary. +// Preconditions: ptr must be aligned to a 8-byte boundary. // //func swapUint64(ptr unsafe.Pointer, new uint64) (old uint64, sig int32) TEXT ·swapUint64(SB), NOSPLIT, $0-28 @@ -74,7 +74,7 @@ TEXT ·swapUint64(SB), NOSPLIT, $0-28 // handleSwapUint64Fault will store a different value in this address. MOVL $0, sig+24(FP) - MOVQ addr+0(FP), DI + MOVQ ptr+0(FP), DI MOVQ new+8(FP), AX XCHGQ AX, 0(DI) MOVQ AX, old+16(FP) @@ -97,11 +97,11 @@ TEXT handleCompareAndSwapUint32Fault(SB), NOSPLIT, $0-24 RET // compareAndSwapUint32 is like sync/atomic.CompareAndSwapUint32, but returns -// (the value previously stored at addr, 0). If a SIGSEGV or SIGBUS signal is +// (the value previously stored at ptr, 0). If a SIGSEGV or SIGBUS signal is // received during the operation, the value of prev is unspecified, and sig is // the number of the signal that was received. // -// Preconditions: addr must be aligned to a 4-byte boundary. +// Preconditions: ptr must be aligned to a 4-byte boundary. // //func compareAndSwapUint32(ptr unsafe.Pointer, old, new uint32) (prev uint32, sig int32) TEXT ·compareAndSwapUint32(SB), NOSPLIT, $0-24 @@ -111,7 +111,7 @@ TEXT ·compareAndSwapUint32(SB), NOSPLIT, $0-24 // address. MOVL $0, sig+20(FP) - MOVQ addr+0(FP), DI + MOVQ ptr+0(FP), DI MOVL old+8(FP), AX MOVL new+12(FP), DX LOCK @@ -135,11 +135,11 @@ TEXT handleLoadUint32Fault(SB), NOSPLIT, $0-16 MOVL DI, sig+12(FP) RET -// loadUint32 atomically loads *addr and returns it. If a SIGSEGV or SIGBUS +// loadUint32 atomically loads *ptr and returns it. If a SIGSEGV or SIGBUS // signal is received, the value returned is unspecified, and sig is the number // of the signal that was received. // -// Preconditions: addr must be aligned to a 4-byte boundary. +// Preconditions: ptr must be aligned to a 4-byte boundary. // //func loadUint32(ptr unsafe.Pointer) (val uint32, sig int32) TEXT ·loadUint32(SB), NOSPLIT, $0-16 @@ -148,7 +148,7 @@ TEXT ·loadUint32(SB), NOSPLIT, $0-16 // handleLoadUint32Fault will store a different value in this address. MOVL $0, sig+12(FP) - MOVQ addr+0(FP), AX + MOVQ ptr+0(FP), AX MOVL (AX), BX MOVL BX, val+8(FP) RET |