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arch
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arm64
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include
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asm
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signal32.h

signal32.h 1.9 KB
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  1. /* SPDX-License-Identifier: GPL-2.0-only */
    2. 

  2. /*
    3. 

  3.  * Copyright (C) 2012 ARM Ltd.
    4. 

  4.  */
    5. 

  5. #ifndef __ASM_SIGNAL32_H
    6. 

  6. #define __ASM_SIGNAL32_H
    7. 

  7. 

  8. #ifdef CONFIG_COMPAT
    9. 

  9. #include <linux/compat.h>
    10. 

  10. 

  11. struct compat_sigcontext {
    12. 

  12. 	/* We always set these two fields to 0 */
    13. 

  13. 	compat_ulong_t			trap_no;
    14. 

  14. 	compat_ulong_t			error_code;
    15. 

  15. 

  16. 	compat_ulong_t			oldmask;
    17. 

  17. 	compat_ulong_t			arm_r0;
    18. 

  18. 	compat_ulong_t			arm_r1;
    19. 

  19. 	compat_ulong_t			arm_r2;
    20. 

  20. 	compat_ulong_t			arm_r3;
    21. 

  21. 	compat_ulong_t			arm_r4;
    22. 

  22. 	compat_ulong_t			arm_r5;
    23. 

  23. 	compat_ulong_t			arm_r6;
    24. 

  24. 	compat_ulong_t			arm_r7;
    25. 

  25. 	compat_ulong_t			arm_r8;
    26. 

  26. 	compat_ulong_t			arm_r9;
    27. 

  27. 	compat_ulong_t			arm_r10;
    28. 

  28. 	compat_ulong_t			arm_fp;
    29. 

  29. 	compat_ulong_t			arm_ip;
    30. 

  30. 	compat_ulong_t			arm_sp;
    31. 

  31. 	compat_ulong_t			arm_lr;
    32. 

  32. 	compat_ulong_t			arm_pc;
    33. 

  33. 	compat_ulong_t			arm_cpsr;
    34. 

  34. 	compat_ulong_t			fault_address;
    35. 

  35. };
    36. 

  36. 

  37. struct compat_ucontext {
    38. 

  38. 	compat_ulong_t			uc_flags;
    39. 

  39. 	compat_uptr_t			uc_link;
    40. 

  40. 	compat_stack_t			uc_stack;
    41. 

  41. 	struct compat_sigcontext	uc_mcontext;
    42. 

  42. 	compat_sigset_t			uc_sigmask;
    43. 

  43. 	int 				__unused[32 - (sizeof(compat_sigset_t) / sizeof(int))];
    44. 

  44. 	compat_ulong_t			uc_regspace[128] __attribute__((__aligned__(8)));
    45. 

  45. };
    46. 

  46. 

  47. struct compat_sigframe {
    48. 

  48. 	struct compat_ucontext	uc;
    49. 

  49. 	compat_ulong_t		retcode[2];
    50. 

  50. };
    51. 

  51. 

  52. struct compat_rt_sigframe {
    53. 

  53. 	struct compat_siginfo info;
    54. 

  54. 	struct compat_sigframe sig;
    55. 

  55. };
    56. 

  56. 

  57. int compat_setup_frame(int usig, struct ksignal *ksig, sigset_t *set,
    58. 

  58. 		       struct pt_regs *regs);
    59. 

  59. int compat_setup_rt_frame(int usig, struct ksignal *ksig, sigset_t *set,
    60. 

  60. 			  struct pt_regs *regs);
    61. 

  61. 

  62. void compat_setup_restart_syscall(struct pt_regs *regs);
    63. 

  63. #else
    64. 

  64. 

  65. static inline int compat_setup_frame(int usid, struct ksignal *ksig,
    66. 

  66. 				     sigset_t *set, struct pt_regs *regs)
    67. 

  67. {
    68. 

  68. 	return -ENOSYS;
    69. 

  69. }
    70. 

  70. 

  71. static inline int compat_setup_rt_frame(int usig, struct ksignal *ksig, sigset_t *set,
    72. 

  72. 					struct pt_regs *regs)
    73. 

  73. {
    74. 

  74. 	return -ENOSYS;
    75. 

  75. }
    76. 

  76. 

  77. static inline void compat_setup_restart_syscall(struct pt_regs *regs)
    78. 

  78. {
    79. 

  79. }
    80. 

  80. #endif /* CONFIG_COMPAT */
    81. 

  81. #endif /* __ASM_SIGNAL32_H */
    82.