SYS_PWRITE                   = 476 // { ssize_t pwrite(int fd, const void *buf, size_t nbyte, off_t offset); }
	SYS_MMAP                     = 477 // { caddr_t mmap(caddr_t addr, size_t len, int prot, int flags, int fd, off_t pos); }
	SYS_LSEEK                    = 478 // { off_t lseek(int fd, off_t offset, int whence); }

		// try using mincore to detect the physical page size.
		// mincore should return EINVAL when address is not a multiple of system page size.
		const size = 256 << 10 // size of memory region to allocate
		p, err := mmap(nil, size, _PROT_READ|_PROT_WRITE, _MAP_ANON|_MAP_PRIVATE, -1, 0)
		if err != 0 {
			return
		}
		var n uintptr
		for n = 4 << 10; n < size; n <<= 1 {

//go:cgo_import_dynamic libc_utime utime "libc.so"
//go:cgo_import_dynamic libc___xnet_bind __xnet_bind "libsocket.so"
//go:cgo_import_dynamic libc___xnet_connect __xnet_connect "libsocket.so"
//go:cgo_import_dynamic libc_mmap mmap "libc.so"
//go:cgo_import_dynamic libc_munmap munmap "libc.so"
//go:cgo_import_dynamic libc_sendfile sendfile "libsendfile.so"
//go:cgo_import_dynamic libc___xnet_sendto __xnet_sendto "libsocket.so"

   *       channel have their own file descriptors. Generally this only happens when both channels
   *       are files or sockets. This performs zero copies - the bytes never enter userspace.
   *   <li>Use mmap(2) or equivalent. Requires that either the input channel or the output channel
   *       have file descriptors. Bytes are copied from the file into a kernel buffer, then directly

	SYS_PWRITE                   = 476 // { ssize_t pwrite(int fd, const void *buf, size_t nbyte, off_t offset); }
	SYS_MMAP                     = 477 // { caddr_t mmap(caddr_t addr, size_t len, int prot, int flags, int fd, off_t pos); }
	SYS_LSEEK                    = 478 // { off_t lseek(int fd, off_t offset, int whence); }

  // Name of this subgraph (used for debugging).
  name:string;
}

// Table of raw data buffers (used for constant tensors). Referenced by tensors
// by index. The generous alignment accommodates mmap-friendly data structures.
table Buffer {
  data:[ubyte] (force_align: 16);

  // In a model that is larger than 2GB, then buffers instead uses the following

	var firstFile string
	embedPos := make(map[string][]token.Position)
	testEmbedPos := make(map[string][]token.Position)
	xTestEmbedPos := make(map[string][]token.Position)
	importPos := make(map[string][]token.Position)
	testImportPos := make(map[string][]token.Position)
	xTestImportPos := make(map[string][]token.Position)
	allTags := make(map[string]bool)
	for _, tf := range rp.sourceFiles {
		name := tf.name()

	return
}

var libc_write_trampoline_addr uintptr

//go:cgo_import_dynamic libc_write write "/usr/lib/libSystem.B.dylib"

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error) {

	return
}

var libc_write_trampoline_addr uintptr

//go:cgo_import_dynamic libc_write write "/usr/lib/libSystem.B.dylib"

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error) {

	// number by to compute an index into the first level arena map.
	arenaL1Shift = arenaL2Bits

	// arenaBits is the total bits in a combined arena map index.
	// This is split between the index into the L1 arena map and
	// the L2 arena map.
	arenaBits = arenaL1Bits + arenaL2Bits

	// arenaBaseOffset is the pointer value that corresponds to
	// index 0 in the heap arena map.
	//