initial commit

1 files changed, 26 insertions, 0 deletions

diff --git a/vendor/modernc.org/memory/mmap_linux_64.go b/vendor/modernc.org/memory/mmap_linux_64.go
new file mode 100644
index 0000000..6b7e93d
--- /dev/null
+++ b/vendor/modernc.org/memory/mmap_linux_64.go
@@ -0,0 +1,26 @@
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE-GO file.
+
+//go:build linux && (amd64 || arm64 || mips64 || mips64le || riscv64 || ppc64le || loong64)
+// +build linux
+// +build amd64 arm64 mips64 mips64le riscv64 ppc64le loong64
+
+package memory
+
+import (
+	"syscall"
+)
+
+// Function syscall.mmap is same for linux/amd64, linux/arm64, linux/mips64,
+// linux/mips64le and linux/riscv64.
+
+// https://cs.opensource.google/go/go/+/refs/tags/go1.17.8:src/syscall/zsyscall_linux_amd64.go;l=1575-1584
+func mmapSyscall(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error) {
+	r0, _, e1 := syscall.Syscall6(syscall.SYS_MMAP, uintptr(addr), uintptr(length), uintptr(prot), uintptr(flags), uintptr(fd), uintptr(offset))
+	xaddr = uintptr(r0)
+	if e1 != 0 {
+		err = e1
+	}
+	return
+}