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Nuno Cruces
25 lines
537 B
Go
25 lines
537 B
Go
//go:build freebsd || netbsd || dragonfly
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package platform
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import (
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"syscall"
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"unsafe"
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)
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const noopMprotectRX = false
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// MprotectRX is like syscall.Mprotect with RX permission, defined locally so that BSD compiles.
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func MprotectRX(b []byte) (err error) {
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var _p0 unsafe.Pointer
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if len(b) > 0 {
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_p0 = unsafe.Pointer(&b[0])
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}
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const prot = syscall.PROT_READ | syscall.PROT_EXEC
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_, _, e1 := syscall.Syscall(syscall.SYS_MPROTECT, uintptr(_p0), uintptr(len(b)), uintptr(prot))
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if e1 != 0 {
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err = syscall.Errno(e1)
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}
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return
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}
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