user-offsets.c 2.1 KB

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  1. // SPDX-License-Identifier: GPL-2.0
  2. #include <stdio.h>
  3. #include <stddef.h>
  4. #include <signal.h>
  5. #include <poll.h>
  6. #include <sys/mman.h>
  7. #include <sys/user.h>
  8. #define __FRAME_OFFSETS
  9. #include <linux/ptrace.h>
  10. #include <asm/types.h>
  11. #define DEFINE(sym, val) \
  12. asm volatile("\n->" #sym " %0 " #val : : "i" (val))
  13. #define DEFINE_LONGS(sym, val) \
  14. asm volatile("\n->" #sym " %0 " #val : : "i" (val/sizeof(unsigned long)))
  15. void foo(void)
  16. {
  17. #ifdef __i386__
  18. DEFINE_LONGS(HOST_FP_SIZE, sizeof(struct user_fpregs_struct));
  19. DEFINE_LONGS(HOST_FPX_SIZE, sizeof(struct user_fpxregs_struct));
  20. DEFINE(HOST_IP, EIP);
  21. DEFINE(HOST_SP, UESP);
  22. DEFINE(HOST_EFLAGS, EFL);
  23. DEFINE(HOST_AX, EAX);
  24. DEFINE(HOST_BX, EBX);
  25. DEFINE(HOST_CX, ECX);
  26. DEFINE(HOST_DX, EDX);
  27. DEFINE(HOST_SI, ESI);
  28. DEFINE(HOST_DI, EDI);
  29. DEFINE(HOST_BP, EBP);
  30. DEFINE(HOST_CS, CS);
  31. DEFINE(HOST_SS, SS);
  32. DEFINE(HOST_DS, DS);
  33. DEFINE(HOST_FS, FS);
  34. DEFINE(HOST_ES, ES);
  35. DEFINE(HOST_GS, GS);
  36. DEFINE(HOST_ORIG_AX, ORIG_EAX);
  37. #else
  38. #ifdef FP_XSTATE_MAGIC1
  39. DEFINE_LONGS(HOST_FP_SIZE, 2696);
  40. #else
  41. DEFINE(HOST_FP_SIZE, sizeof(struct _fpstate) / sizeof(unsigned long));
  42. #endif
  43. DEFINE_LONGS(HOST_BX, RBX);
  44. DEFINE_LONGS(HOST_CX, RCX);
  45. DEFINE_LONGS(HOST_DI, RDI);
  46. DEFINE_LONGS(HOST_SI, RSI);
  47. DEFINE_LONGS(HOST_DX, RDX);
  48. DEFINE_LONGS(HOST_BP, RBP);
  49. DEFINE_LONGS(HOST_AX, RAX);
  50. DEFINE_LONGS(HOST_R8, R8);
  51. DEFINE_LONGS(HOST_R9, R9);
  52. DEFINE_LONGS(HOST_R10, R10);
  53. DEFINE_LONGS(HOST_R11, R11);
  54. DEFINE_LONGS(HOST_R12, R12);
  55. DEFINE_LONGS(HOST_R13, R13);
  56. DEFINE_LONGS(HOST_R14, R14);
  57. DEFINE_LONGS(HOST_R15, R15);
  58. DEFINE_LONGS(HOST_ORIG_AX, ORIG_RAX);
  59. DEFINE_LONGS(HOST_CS, CS);
  60. DEFINE_LONGS(HOST_SS, SS);
  61. DEFINE_LONGS(HOST_EFLAGS, EFLAGS);
  62. #if 0
  63. DEFINE_LONGS(HOST_FS, FS);
  64. DEFINE_LONGS(HOST_GS, GS);
  65. DEFINE_LONGS(HOST_DS, DS);
  66. DEFINE_LONGS(HOST_ES, ES);
  67. #endif
  68. DEFINE_LONGS(HOST_IP, RIP);
  69. DEFINE_LONGS(HOST_SP, RSP);
  70. #endif
  71. DEFINE(UM_FRAME_SIZE, sizeof(struct user_regs_struct));
  72. DEFINE(UM_POLLIN, POLLIN);
  73. DEFINE(UM_POLLPRI, POLLPRI);
  74. DEFINE(UM_POLLOUT, POLLOUT);
  75. DEFINE(UM_PROT_READ, PROT_READ);
  76. DEFINE(UM_PROT_WRITE, PROT_WRITE);
  77. DEFINE(UM_PROT_EXEC, PROT_EXEC);
  78. }