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x/sys/unix: use uintptr for tracee addresses on FreeBSD

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Change PtraceLwpInfoStruct, PtraceIoDesc and PtraceIO to not use *byte
to represent addresses that belong to the traced process.

Fixes golang/go#54113

Change-Id: I6efad26046b784d79b83fed4498cac93957274ca
Reviewed-on: https://go-review.googlesource.com/c/sys/+/419915
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Michael Pratt <mpratt@google.com>
Reviewed-by: Russ Cox <rsc@golang.org>
Run-TryBot: Russ Cox <rsc@golang.org>
Auto-Submit: Russ Cox <rsc@golang.org>
This commit is contained in:
aarzilli
2022-09-06 13:54:38 +00:00
committed by Gopher Robot
parent d48e67d002
commit 9e1f76180b
11 changed files with 105 additions and 20 deletions
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unix/syscall_freebsd_amd64.go
+1 -1
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@@ -61,7 +61,7 @@ func PtraceGetFsBase(pid int, fsbase *int64) (err error) {
}
func PtraceIO(req int, pid int, addr uintptr, out []byte, countin int) (count int, err error) {
ioDesc := PtraceIoDesc{Op: int32(req), Offs: (*byte)(unsafe.Pointer(addr)), Addr: (*byte)(unsafe.Pointer(&out[0])), Len: uint64(countin)}
ioDesc := PtraceIoDesc{Op: int32(req), Offs: uintptr(unsafe.Pointer(addr)), Addr: uintptr(unsafe.Pointer(&out[0])), Len: uint64(countin)}
err = ptrace(PT_IO, pid, uintptr(unsafe.Pointer(&ioDesc)), 0)
return int(ioDesc.Len), err
}