defs_linux_s390x.go

     1  // Copyright 2016 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package runtime
     6  
     7  import "unsafe"
     8  
     9  const (
    10  	_EINTR  = 0x4
    11  	_EAGAIN = 0xb
    12  	_ENOMEM = 0xc
    13  
    14  	_PROT_NONE  = 0x0
    15  	_PROT_READ  = 0x1
    16  	_PROT_WRITE = 0x2
    17  	_PROT_EXEC  = 0x4
    18  
    19  	_MAP_ANON    = 0x20
    20  	_MAP_PRIVATE = 0x2
    21  	_MAP_FIXED   = 0x10
    22  
    23  	_MADV_DONTNEED   = 0x4
    24  	_MADV_FREE       = 0x8
    25  	_MADV_HUGEPAGE   = 0xe
    26  	_MADV_NOHUGEPAGE = 0xf
    27  
    28  	_SA_RESTART = 0x10000000
    29  	_SA_ONSTACK = 0x8000000
    30  	_SA_SIGINFO = 0x4
    31  
    32  	_SI_KERNEL = 0x80
    33  	_SI_TIMER  = -0x2
    34  
    35  	_SIGHUP    = 0x1
    36  	_SIGINT    = 0x2
    37  	_SIGQUIT   = 0x3
    38  	_SIGILL    = 0x4
    39  	_SIGTRAP   = 0x5
    40  	_SIGABRT   = 0x6
    41  	_SIGBUS    = 0x7
    42  	_SIGFPE    = 0x8
    43  	_SIGKILL   = 0x9
    44  	_SIGUSR1   = 0xa
    45  	_SIGSEGV   = 0xb
    46  	_SIGUSR2   = 0xc
    47  	_SIGPIPE   = 0xd
    48  	_SIGALRM   = 0xe
    49  	_SIGSTKFLT = 0x10
    50  	_SIGCHLD   = 0x11
    51  	_SIGCONT   = 0x12
    52  	_SIGSTOP   = 0x13
    53  	_SIGTSTP   = 0x14
    54  	_SIGTTIN   = 0x15
    55  	_SIGTTOU   = 0x16
    56  	_SIGURG    = 0x17
    57  	_SIGXCPU   = 0x18
    58  	_SIGXFSZ   = 0x19
    59  	_SIGVTALRM = 0x1a
    60  	_SIGPROF   = 0x1b
    61  	_SIGWINCH  = 0x1c
    62  	_SIGIO     = 0x1d
    63  	_SIGPWR    = 0x1e
    64  	_SIGSYS    = 0x1f
    65  
    66  	_SIGRTMIN = 0x20
    67  
    68  	_FPE_INTDIV = 0x1
    69  	_FPE_INTOVF = 0x2
    70  	_FPE_FLTDIV = 0x3
    71  	_FPE_FLTOVF = 0x4
    72  	_FPE_FLTUND = 0x5
    73  	_FPE_FLTRES = 0x6
    74  	_FPE_FLTINV = 0x7
    75  	_FPE_FLTSUB = 0x8
    76  
    77  	_BUS_ADRALN = 0x1
    78  	_BUS_ADRERR = 0x2
    79  	_BUS_OBJERR = 0x3
    80  
    81  	_SEGV_MAPERR = 0x1
    82  	_SEGV_ACCERR = 0x2
    83  
    84  	_ITIMER_REAL    = 0x0
    85  	_ITIMER_VIRTUAL = 0x1
    86  	_ITIMER_PROF    = 0x2
    87  
    88  	_CLOCK_THREAD_CPUTIME_ID = 0x3
    89  
    90  	_SIGEV_THREAD_ID = 0x4
    91  
    92  	_EPOLLIN       = 0x1
    93  	_EPOLLOUT      = 0x4
    94  	_EPOLLERR      = 0x8
    95  	_EPOLLHUP      = 0x10
    96  	_EPOLLRDHUP    = 0x2000
    97  	_EPOLLET       = 0x80000000
    98  	_EPOLL_CLOEXEC = 0x80000
    99  	_EPOLL_CTL_ADD = 0x1
   100  	_EPOLL_CTL_DEL = 0x2
   101  	_EPOLL_CTL_MOD = 0x3
   102  )
   103  
   104  type timespec struct {
   105  	tv_sec  int64
   106  	tv_nsec int64
   107  }
   108  
   109  //go:nosplit
   110  func (ts *timespec) setNsec(ns int64) {
   111  	ts.tv_sec = ns / 1e9
   112  	ts.tv_nsec = ns % 1e9
   113  }
   114  
   115  type timeval struct {
   116  	tv_sec  int64
   117  	tv_usec int64
   118  }
   119  
   120  func (tv *timeval) set_usec(x int32) {
   121  	tv.tv_usec = int64(x)
   122  }
   123  
   124  type sigactiont struct {
   125  	sa_handler  uintptr
   126  	sa_flags    uint64
   127  	sa_restorer uintptr
   128  	sa_mask     uint64
   129  }
   130  
   131  type siginfoFields struct {
   132  	si_signo int32
   133  	si_errno int32
   134  	si_code  int32
   135  	// below here is a union; si_addr is the only field we use
   136  	si_addr uint64
   137  }
   138  
   139  type siginfo struct {
   140  	siginfoFields
   141  
   142  	// Pad struct to the max size in the kernel.
   143  	_ [_si_max_size - unsafe.Sizeof(siginfoFields{})]byte
   144  }
   145  
   146  type itimerspec struct {
   147  	it_interval timespec
   148  	it_value    timespec
   149  }
   150  
   151  type itimerval struct {
   152  	it_interval timeval
   153  	it_value    timeval
   154  }
   155  
   156  type sigeventFields struct {
   157  	value  uintptr
   158  	signo  int32
   159  	notify int32
   160  	// below here is a union; sigev_notify_thread_id is the only field we use
   161  	sigev_notify_thread_id int32
   162  }
   163  
   164  type sigevent struct {
   165  	sigeventFields
   166  
   167  	// Pad struct to the max size in the kernel.
   168  	_ [_sigev_max_size - unsafe.Sizeof(sigeventFields{})]byte
   169  }
   170  
   171  type epollevent struct {
   172  	events    uint32
   173  	pad_cgo_0 [4]byte
   174  	data      [8]byte // unaligned uintptr
   175  }
   176  
   177  const (
   178  	_O_RDONLY    = 0x0
   179  	_O_NONBLOCK  = 0x800
   180  	_O_CLOEXEC   = 0x80000
   181  	_SA_RESTORER = 0
   182  )
   183  
   184  type stackt struct {
   185  	ss_sp    *byte
   186  	ss_flags int32
   187  	ss_size  uintptr
   188  }
   189  
   190  type sigcontext struct {
   191  	psw_mask uint64
   192  	psw_addr uint64
   193  	gregs    [16]uint64
   194  	aregs    [16]uint32
   195  	fpc      uint32
   196  	fpregs   [16]uint64
   197  }
   198  
   199  type ucontext struct {
   200  	uc_flags    uint64
   201  	uc_link     *ucontext
   202  	uc_stack    stackt
   203  	uc_mcontext sigcontext
   204  	uc_sigmask  uint64
   205  }
   206
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