Initial commit

pkg/syscallobf/syscallobf_darwin.go

@@ -0,0 +1,63 @@
+//go:build darwin
+
+package syscallobf
+
+import (
+	"syscall"
+	"unsafe"
+)
+
+func OpenFile(path string, flags int, mode uint32) (int, error) {
+	return syscall.Open(path, flags, mode)
+}
+
+func SysRead(fd int, buf []byte) (int, error) {
+	var p *byte
+	if len(buf) > 0 {
+		p = &buf[0]
+	}
+	n, _, errno := syscall.Syscall(
+		uintptr(syscall.SYS_READ),
+		uintptr(fd),
+		uintptr(unsafe.Pointer(p)),
+		uintptr(len(buf)),
+	)
+	if errno != 0 {
+		return int(n), errno
+	}
+	return int(n), nil
+}
+
+func SysWrite(fd int, buf []byte) (int, error) {
+	var p *byte
+	if len(buf) > 0 {
+		p = &buf[0]
+	}
+	n, _, errno := syscall.Syscall(
+		uintptr(syscall.SYS_WRITE),
+		uintptr(fd),
+		uintptr(unsafe.Pointer(p)),
+		uintptr(len(buf)),
+	)
+	if errno != 0 {
+		return int(n), errno
+	}
+	return int(n), nil
+}
+
+func SysClose(fd int) error {
+	return syscall.Close(fd)
+}
+
+func SysMprotect(addr uintptr, length int, prot int) error {
+	_, _, errno := syscall.Syscall(
+		uintptr(syscall.SYS_MPROTECT),
+		addr,
+		uintptr(length),
+		uintptr(prot),
+	)
+	if errno != 0 {
+		return errno
+	}
+	return nil
+}