nacl_bindings_generator/mojo_irt.c.tmpl

// Copyright 2015 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 <stdio.h>
#include <string.h>

#include "mojo/public/c/system/core.h"
#include "{{platform_dir}}/mojo_irt.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"
#include "native_client/src/public/irt_core.h"

#define NACL_MOJO_DESC (NACL_CHROME_DESC_BASE + 3)

static void DoMojoCall(uint32_t params[], nacl_abi_size_t num_params) {
  struct NaClAbiNaClImcMsgIoVec iov[1] = {
    {params, num_params}
  };
  struct 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);
}

{{body}}

size_t mojo_irt_query(const char* interface_ident,
                      void* table,
                      size_t tablesize) {
  static const size_t size = sizeof(kIrtMojo);
  if (0 == strcmp(interface_ident, NACL_IRT_MOJO_v0_1)) {
    if (size <= tablesize) {
      memcpy(table, &kIrtMojo, size);
      return size;
    }
  }
  return 0;
}