trts_internal.h 2.8 KB

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  1. /*
  2. * Copyright (C) 2011-2018 Intel Corporation. All rights reserved.
  3. *
  4. * Redistribution and use in source and binary forms, with or without
  5. * modification, are permitted provided that the following conditions
  6. * are met:
  7. *
  8. * * Redistributions of source code must retain the above copyright
  9. * notice, this list of conditions and the following disclaimer.
  10. * * Redistributions in binary form must reproduce the above copyright
  11. * notice, this list of conditions and the following disclaimer in
  12. * the documentation and/or other materials provided with the
  13. * distribution.
  14. * * Neither the name of Intel Corporation nor the names of its
  15. * contributors may be used to endorse or promote products derived
  16. * from this software without specific prior written permission.
  17. *
  18. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19. * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20. * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  21. * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  22. * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  23. * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  24. * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25. * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26. * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  28. * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29. *
  30. */
  31. #ifndef TRTS_INTERNAL_H
  32. #define TRTS_INTERNAL_H
  33. #include "util.h"
  34. #include "trts_shared_constants.h"
  35. #define TD2TCS(td) ((const void *)(((thread_data_t*)(td))->stack_base_addr + (size_t)STATIC_STACK_SIZE + (size_t)SE_GUARD_PAGE_SIZE))
  36. #define TCS2CANARY(addr) ((size_t *)((size_t)(addr)-(size_t)SE_GUARD_PAGE_SIZE-(size_t)STATIC_STACK_SIZE+sizeof(size_t)))
  37. typedef struct {
  38. const void *ecall_addr;
  39. uint8_t is_priv;
  40. } ecall_addr_t;
  41. typedef struct {
  42. size_t nr_ecall;
  43. ecall_addr_t ecall_table[1];
  44. } ecall_table_t;
  45. typedef struct {
  46. size_t nr_ocall;
  47. uint8_t entry_table[1];
  48. } entry_table_t;
  49. #ifdef __cplusplus
  50. extern "C" {
  51. #endif
  52. extern ecall_table_t g_ecall_table;
  53. extern entry_table_t g_dyn_entry_table;
  54. int lock_enclave();
  55. void *get_enclave_base();
  56. int get_enclave_state();
  57. void set_enclave_state(int state);
  58. sgx_status_t do_init_thread(void *tcs, bool enclave_init);
  59. sgx_status_t do_init_enclave(void *ms, void *tcs) __attribute__((section(".nipx")));
  60. sgx_status_t do_ecall(int index, void *ms, void *tcs);
  61. sgx_status_t do_oret(void *ms);
  62. sgx_status_t trts_handle_exception(void *tcs);
  63. sgx_status_t do_ecall_add_thread(void *ms);
  64. sgx_status_t do_uninit_enclave(void *tcs);
  65. int check_static_stack_canary(void *tcs);
  66. #ifdef __cplusplus
  67. }
  68. #endif
  69. #endif