mojo/nacl/generator/libmojo.cc.tmpl

// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

{{generator_warning}}

#include "mojo/public/c/system/core.h"
#include "native_client/src/public/chrome_main.h"
#include "native_client/src/public/imc_syscalls.h"
#include "native_client/src/public/imc_types.h"

// The value for this FD must not conflict with uses inside Chromium. However,
// mojo/nacl doesn't depend on any Chromium headers, so we can't use a #define
// from there.
#define NACL_MOJO_DESC (NACL_CHROME_DESC_BASE + 3)

static void DoMojoCall(uint32_t params[], nacl_abi_size_t num_params) {
  NaClAbiNaClImcMsgIoVec iov[1] = {
    {params, num_params}
  };
  NaClAbiNaClImcMsgHdr msgh = {iov, 1, NULL, 0};
  // Note: return value unchecked.  We're relying on the result parameter being
  // unmodified - if the syscall fails, the Mojo function will return whatever
  // the result parameter was initialized to before this function was called.
  imc_sendmsg(NACL_MOJO_DESC, &msgh, 0);
}

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