diff options
Diffstat (limited to 'pkg/safecopy/safecopy_unsafe.go')
| -rw-r--r-- | pkg/safecopy/safecopy_unsafe.go | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/pkg/safecopy/safecopy_unsafe.go b/pkg/safecopy/safecopy_unsafe.go index a075cf88e..efbc2ddc1 100644 --- a/pkg/safecopy/safecopy_unsafe.go +++ b/pkg/safecopy/safecopy_unsafe.go @@ -89,6 +89,18 @@ func compareAndSwapUint32(ptr unsafe.Pointer, old, new uint32) (prev uint32, sig //go:noescape func loadUint32(ptr unsafe.Pointer) (val uint32, sig int32) +// Return the start address of the functions above. +// +// In Go 1.17+, Go references to assembly functions resolve to an ABIInternal +// wrapper function rather than the function itself. We must reference from +// assembly to get the ABI0 (i.e., primary) address. +func addrOfMemcpy() uintptr +func addrOfMemclr() uintptr +func addrOfSwapUint32() uintptr +func addrOfSwapUint64() uintptr +func addrOfCompareAndSwapUint32() uintptr +func addrOfLoadUint32() uintptr + // CopyIn copies len(dst) bytes from src to dst. It returns the number of bytes // copied and an error if SIGSEGV or SIGBUS is received while reading from src. func CopyIn(dst []byte, src unsafe.Pointer) (int, error) { |