libgo/runtime/go-mmap.c

   1 /* go-mmap.c -- functions for calling C mmap functions.
   2
   3    Copyright 2023 The Go Authors. All rights reserved.
   4    Use of this source code is governed by a BSD-style
   5    license that can be found in the LICENSE file.  */
   6
   7 #include "config.h"
   8
   9 #include <stdint.h>
  10 #include <sys/mman.h>
  11
  12 /* The exact C function to call varies between mmap and mmap64, and
  13    the size of the off_t argument also varies.  Here we provide a
  14    function that Go code can call with consistent types.  */
  15
  16 void *
  17 __go_mmap(void *addr, uintptr_t length, int32_t prot, int32_t flags,
  18           int32_t fd, uintptr_t offset)
  19 {
  20   return mmap(addr, length, prot, flags, fd, offset);
  21 }