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Diffstat (limited to 'vendor/github.com/tetratelabs/wazero/internal/platform/mprotect_bsd.go')
-rw-r--r--vendor/github.com/tetratelabs/wazero/internal/platform/mprotect_bsd.go22
1 files changed, 22 insertions, 0 deletions
diff --git a/vendor/github.com/tetratelabs/wazero/internal/platform/mprotect_bsd.go b/vendor/github.com/tetratelabs/wazero/internal/platform/mprotect_bsd.go
new file mode 100644
index 000000000..f8f40cabe
--- /dev/null
+++ b/vendor/github.com/tetratelabs/wazero/internal/platform/mprotect_bsd.go
@@ -0,0 +1,22 @@
+//go:build (freebsd || netbsd || dragonfly) && !tinygo
+
+package platform
+
+import (
+ "syscall"
+ "unsafe"
+)
+
+// MprotectRX is like syscall.Mprotect with RX permission, defined locally so that BSD compiles.
+func MprotectRX(b []byte) (err error) {
+ var _p0 unsafe.Pointer
+ if len(b) > 0 {
+ _p0 = unsafe.Pointer(&b[0])
+ }
+ const prot = syscall.PROT_READ | syscall.PROT_EXEC
+ _, _, e1 := syscall.Syscall(syscall.SYS_MPROTECT, uintptr(_p0), uintptr(len(b)), uintptr(prot))
+ if e1 != 0 {
+ err = syscall.Errno(e1)
+ }
+ return
+}