service_runtime/nacl_switch_to_app.h

   1 /*
   2  * Copyright 2008, Google Inc.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions are
   7  * met:
   8  *
   9  *     * Redistributions of source code must retain the above copyright
  10  * notice, this list of conditions and the following disclaimer.
  11  *     * Redistributions in binary form must reproduce the above
  12  * copyright notice, this list of conditions and the following disclaimer
  13  * in the documentation and/or other materials provided with the
  14  * distribution.
  15  *     * Neither the name of Google Inc. nor the names of its
  16  * contributors may be used to endorse or promote products derived from
  17  * this software without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  20  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  21  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  22  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  23  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  24  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  25  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  29  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 /*
  33  * NaCl Service Runtime
  34  */
  35
  36 #ifndef SERVICE_RUNTIME_NACL_SWITCH_TO_APP_H__
  37 #define SERVICE_RUNTIME_NACL_SWITCH_TO_APP_H__ 1
  38
  39 #include "native_client/include/nacl_base.h"
  40
  41 EXTERN_C_BEGIN
  42
  43 extern NORETURN void NaClSwitch(uint32_t eip,
  44                                 uint32_t ebp,
  45                                 uint32_t edi,
  46                                 uint32_t esi,
  47                                 uint32_t ebx,
  48                                 uint32_t gs,  /* high 16 bits ignored */
  49                                 uint32_t fs,
  50                                 uint32_t es,
  51                                 uint32_t spring_addr,
  52                                 uint32_t cs,
  53                                 uint32_t ds,
  54                                 uint32_t eax,
  55                                 uint32_t ss,
  56                                 uint32_t esp);
  57
  58 NORETURN void NaClStartThreadInApp(struct NaClAppThread *natp,
  59                                    uint32_t             new_eip);
  60
  61 NORETURN void NaClSwitchToApp(struct NaClAppThread *natp,
  62                               uint32_t             new_eip);
  63
  64 EXTERN_C_END
  65
  66 #endif