diff options
Diffstat (limited to 'vendor/modernc.org/libc/libc_musl_linux_s390x.go')
-rw-r--r-- | vendor/modernc.org/libc/libc_musl_linux_s390x.go | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/vendor/modernc.org/libc/libc_musl_linux_s390x.go b/vendor/modernc.org/libc/libc_musl_linux_s390x.go new file mode 100644 index 000000000..596296e7d --- /dev/null +++ b/vendor/modernc.org/libc/libc_musl_linux_s390x.go @@ -0,0 +1,50 @@ +// Copyright 2023 The Libc Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package libc // import "modernc.org/libc" + +import ( + "unsafe" + + "golang.org/x/sys/unix" +) + +type long = int64 + +type ulong = uint64 + +// RawMem represents the biggest byte array the runtime can handle +type RawMem [1<<50 - 1]byte + +func Xfesetround(tls *TLS, r int32) (r1 int32) { + if __ccgo_strace { + trc("tls=%v r=%v, (%v:)", tls, r, origin(2)) + defer func() { trc("-> %v", r1) }() + } + return X__fesetround(tls, r) +} + +func Xmmap(tls *TLS, start uintptr, len1 Tsize_t, prot int32, flags int32, fd int32, off Toff_t) (r uintptr) { + if __ccgo_strace { + trc("tls=%v start=%v len1=%v prot=%v flags=%v fd=%v off=%v, (%v:)", tls, start, len1, prot, flags, fd, off, origin(2)) + defer func() { trc("-> %v", r) }() + } + return ___mmap(tls, start, len1, prot, flags, fd, off) +} + +func ___mmap(tls *TLS, start uintptr, len1 Tsize_t, prot int32, flags int32, fd int32, off Toff_t) (r uintptr) { + if __ccgo_strace { + trc("tls=%v start=%v len1=%v prot=%v flags=%v fd=%v off=%v, (%v:)", tls, start, len1, prot, flags, fd, off, origin(2)) + defer func() { trc("-> %v", r) }() + } + // https://github.com/golang/go/blob/7d822af4500831d131562f17dcf53374469d823e/src/syscall/syscall_linux_s390x.go#L77 + args := [6]uintptr{start, uintptr(len1), uintptr(prot), uintptr(flags), uintptr(fd), uintptr(off)} + data, _, err := unix.Syscall(unix.SYS_MMAP, uintptr(unsafe.Pointer(&args[0])), 0, 0) + if err != 0 { + tls.setErrno(int32(err)) + return ^uintptr(0) // (void*)-1 + } + + return data +} |