From 1a57267a17c2fc17fb6e104846fabc3e363c326c Mon Sep 17 00:00:00 2001 From: Emile Date: Fri, 16 Aug 2024 19:50:26 +0200 Subject: initial commit --- vendor/modernc.org/memory/mmap_linux_s390x.go | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 vendor/modernc.org/memory/mmap_linux_s390x.go (limited to 'vendor/modernc.org/memory/mmap_linux_s390x.go') diff --git a/vendor/modernc.org/memory/mmap_linux_s390x.go b/vendor/modernc.org/memory/mmap_linux_s390x.go new file mode 100644 index 0000000..bf7260e --- /dev/null +++ b/vendor/modernc.org/memory/mmap_linux_s390x.go @@ -0,0 +1,23 @@ +// 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. + +package memory + +import ( + "syscall" + "unsafe" +) + +// https://cs.opensource.google/go/go/+/refs/tags/go1.17.8:src/syscall/syscall_linux_s390x.go;l=105-115 +// Linux on s390x uses the old mmap interface, which requires arguments to be passed in a struct. +// mmap2 also requires arguments to be passed in a struct; it is currently not exposed in . +func mmapSyscall(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error) { + mmap_args := [6]uintptr{addr, length, uintptr(prot), uintptr(flags), uintptr(fd), uintptr(offset)} + r0, _, e1 := syscall.Syscall(syscall.SYS_MMAP, uintptr(unsafe.Pointer(&mmap_args[0])), 0, 0) + xaddr = uintptr(r0) + if e1 != 0 { + err = e1 + } + return +} -- cgit 1.4.1