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Diffstat (limited to 'vendor/github.com/tetratelabs/wazero/internal/platform/mmap_unix.go')
-rw-r--r--vendor/github.com/tetratelabs/wazero/internal/platform/mmap_unix.go25
1 files changed, 1 insertions, 24 deletions
diff --git a/vendor/github.com/tetratelabs/wazero/internal/platform/mmap_unix.go b/vendor/github.com/tetratelabs/wazero/internal/platform/mmap_unix.go
index 8d0baa712..6b7c617b2 100644
--- a/vendor/github.com/tetratelabs/wazero/internal/platform/mmap_unix.go
+++ b/vendor/github.com/tetratelabs/wazero/internal/platform/mmap_unix.go
@@ -2,31 +2,8 @@
package platform
-import (
- "syscall"
-)
-
-const (
- mmapProtAMD64 = syscall.PROT_READ | syscall.PROT_WRITE | syscall.PROT_EXEC
- mmapProtARM64 = syscall.PROT_READ | syscall.PROT_WRITE
-)
+import "syscall"
func munmapCodeSegment(code []byte) error {
return syscall.Munmap(code)
}
-
-// mmapCodeSegmentAMD64 gives all read-write-exec permission to the mmap region
-// to enter the function. Otherwise, segmentation fault exception is raised.
-func mmapCodeSegmentAMD64(size int) ([]byte, error) {
- // The region must be RWX: RW for writing native codes, X for executing the region.
- return mmapCodeSegment(size, mmapProtAMD64)
-}
-
-// mmapCodeSegmentARM64 cannot give all read-write-exec permission to the mmap region.
-// Otherwise, the mmap systemcall would raise an error. Here we give read-write
-// to the region so that we can write contents at call-sites. Callers are responsible to
-// execute MprotectRX on the returned buffer.
-func mmapCodeSegmentARM64(size int) ([]byte, error) {
- // The region must be RW: RW for writing native codes.
- return mmapCodeSegment(size, mmapProtARM64)
-}