compat_linux.h 3.7 KB

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  1. #ifndef _ASM_S390X_S390_H
  2. #define _ASM_S390X_S390_H
  3. #include <linux/compat.h>
  4. #include <linux/socket.h>
  5. #include <linux/syscalls.h>
  6. #include <linux/nfs_fs.h>
  7. #include <linux/sunrpc/svc.h>
  8. #include <linux/nfsd/nfsd.h>
  9. #include <linux/nfsd/export.h>
  10. /* Macro that masks the high order bit of an 32 bit pointer and converts it*/
  11. /* to a 64 bit pointer */
  12. #define A(__x) ((unsigned long)((__x) & 0x7FFFFFFFUL))
  13. #define AA(__x) \
  14. ((unsigned long)(__x))
  15. /* Now 32bit compatibility types */
  16. struct ipc_kludge_32 {
  17. __u32 msgp; /* pointer */
  18. __s32 msgtyp;
  19. };
  20. struct old_sigaction32 {
  21. __u32 sa_handler; /* Really a pointer, but need to deal with 32 bits */
  22. compat_old_sigset_t sa_mask; /* A 32 bit mask */
  23. __u32 sa_flags;
  24. __u32 sa_restorer; /* Another 32 bit pointer */
  25. };
  26. typedef struct compat_siginfo {
  27. int si_signo;
  28. int si_errno;
  29. int si_code;
  30. union {
  31. int _pad[((128/sizeof(int)) - 3)];
  32. /* kill() */
  33. struct {
  34. pid_t _pid; /* sender's pid */
  35. uid_t _uid; /* sender's uid */
  36. } _kill;
  37. /* POSIX.1b timers */
  38. struct {
  39. compat_timer_t _tid; /* timer id */
  40. int _overrun; /* overrun count */
  41. compat_sigval_t _sigval; /* same as below */
  42. int _sys_private; /* not to be passed to user */
  43. } _timer;
  44. /* POSIX.1b signals */
  45. struct {
  46. pid_t _pid; /* sender's pid */
  47. uid_t _uid; /* sender's uid */
  48. compat_sigval_t _sigval;
  49. } _rt;
  50. /* SIGCHLD */
  51. struct {
  52. pid_t _pid; /* which child */
  53. uid_t _uid; /* sender's uid */
  54. int _status;/* exit code */
  55. compat_clock_t _utime;
  56. compat_clock_t _stime;
  57. } _sigchld;
  58. /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
  59. struct {
  60. __u32 _addr; /* faulting insn/memory ref. - pointer */
  61. } _sigfault;
  62. /* SIGPOLL */
  63. struct {
  64. int _band; /* POLL_IN, POLL_OUT, POLL_MSG */
  65. int _fd;
  66. } _sigpoll;
  67. } _sifields;
  68. } compat_siginfo_t;
  69. /*
  70. * How these fields are to be accessed.
  71. */
  72. #define si_pid _sifields._kill._pid
  73. #define si_uid _sifields._kill._uid
  74. #define si_status _sifields._sigchld._status
  75. #define si_utime _sifields._sigchld._utime
  76. #define si_stime _sifields._sigchld._stime
  77. #define si_value _sifields._rt._sigval
  78. #define si_int _sifields._rt._sigval.sival_int
  79. #define si_ptr _sifields._rt._sigval.sival_ptr
  80. #define si_addr _sifields._sigfault._addr
  81. #define si_band _sifields._sigpoll._band
  82. #define si_fd _sifields._sigpoll._fd
  83. #define si_tid _sifields._timer._tid
  84. #define si_overrun _sifields._timer._overrun
  85. /* asm/sigcontext.h */
  86. typedef union
  87. {
  88. __u64 d;
  89. __u32 f;
  90. } freg_t32;
  91. typedef struct
  92. {
  93. unsigned int fpc;
  94. freg_t32 fprs[__NUM_FPRS];
  95. } _s390_fp_regs32;
  96. typedef struct
  97. {
  98. __u32 mask;
  99. __u32 addr;
  100. } _psw_t32 __attribute__ ((aligned(8)));
  101. typedef struct
  102. {
  103. _psw_t32 psw;
  104. __u32 gprs[__NUM_GPRS];
  105. __u32 acrs[__NUM_ACRS];
  106. } _s390_regs_common32;
  107. typedef struct
  108. {
  109. _s390_regs_common32 regs;
  110. _s390_fp_regs32 fpregs;
  111. } _sigregs32;
  112. #define _SIGCONTEXT_NSIG32 64
  113. #define _SIGCONTEXT_NSIG_BPW32 32
  114. #define __SIGNAL_FRAMESIZE32 96
  115. #define _SIGMASK_COPY_SIZE32 (sizeof(u32)*2)
  116. struct sigcontext32
  117. {
  118. __u32 oldmask[_COMPAT_NSIG_WORDS];
  119. __u32 sregs; /* pointer */
  120. };
  121. /* asm/signal.h */
  122. struct sigaction32 {
  123. __u32 sa_handler; /* pointer */
  124. __u32 sa_flags;
  125. __u32 sa_restorer; /* pointer */
  126. compat_sigset_t sa_mask; /* mask last for extensibility */
  127. };
  128. typedef struct {
  129. __u32 ss_sp; /* pointer */
  130. int ss_flags;
  131. compat_size_t ss_size;
  132. } stack_t32;
  133. /* asm/ucontext.h */
  134. struct ucontext32 {
  135. __u32 uc_flags;
  136. __u32 uc_link; /* pointer */
  137. stack_t32 uc_stack;
  138. _sigregs32 uc_mcontext;
  139. compat_sigset_t uc_sigmask; /* mask last for extensibility */
  140. };
  141. #endif /* _ASM_S390X_S390_H */