defs_linux_mipsx.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  //go:build (mips || mipsle) && linux
     6  
     7  package runtime
     8  
     9  import "unsafe"
    10  
    11  const (
    12  	_EINTR  = 0x4
    13  	_EAGAIN = 0xb
    14  	_ENOMEM = 0xc
    15  
    16  	_PROT_NONE  = 0x0
    17  	_PROT_READ  = 0x1
    18  	_PROT_WRITE = 0x2
    19  	_PROT_EXEC  = 0x4
    20  
    21  	_MAP_ANON    = 0x800
    22  	_MAP_PRIVATE = 0x2
    23  	_MAP_FIXED   = 0x10
    24  
    25  	_MADV_DONTNEED   = 0x4
    26  	_MADV_FREE       = 0x8
    27  	_MADV_HUGEPAGE   = 0xe
    28  	_MADV_NOHUGEPAGE = 0xf
    29  
    30  	_SA_RESTART = 0x10000000
    31  	_SA_ONSTACK = 0x8000000
    32  	_SA_SIGINFO = 0x8
    33  
    34  	_SI_KERNEL = 0x80
    35  	_SI_TIMER  = -0x2
    36  
    37  	_SIGHUP    = 0x1
    38  	_SIGINT    = 0x2
    39  	_SIGQUIT   = 0x3
    40  	_SIGILL    = 0x4
    41  	_SIGTRAP   = 0x5
    42  	_SIGABRT   = 0x6
    43  	_SIGEMT    = 0x7
    44  	_SIGFPE    = 0x8
    45  	_SIGKILL   = 0x9
    46  	_SIGBUS    = 0xa
    47  	_SIGSEGV   = 0xb
    48  	_SIGSYS    = 0xc
    49  	_SIGPIPE   = 0xd
    50  	_SIGALRM   = 0xe
    51  	_SIGUSR1   = 0x10
    52  	_SIGUSR2   = 0x11
    53  	_SIGCHLD   = 0x12
    54  	_SIGPWR    = 0x13
    55  	_SIGWINCH  = 0x14
    56  	_SIGURG    = 0x15
    57  	_SIGIO     = 0x16
    58  	_SIGSTOP   = 0x17
    59  	_SIGTSTP   = 0x18
    60  	_SIGCONT   = 0x19
    61  	_SIGTTIN   = 0x1a
    62  	_SIGTTOU   = 0x1b
    63  	_SIGVTALRM = 0x1c
    64  	_SIGPROF   = 0x1d
    65  	_SIGXCPU   = 0x1e
    66  	_SIGXFSZ   = 0x1f
    67  
    68  	_SIGRTMIN = 0x20
    69  
    70  	_FPE_INTDIV = 0x1
    71  	_FPE_INTOVF = 0x2
    72  	_FPE_FLTDIV = 0x3
    73  	_FPE_FLTOVF = 0x4
    74  	_FPE_FLTUND = 0x5
    75  	_FPE_FLTRES = 0x6
    76  	_FPE_FLTINV = 0x7
    77  	_FPE_FLTSUB = 0x8
    78  
    79  	_BUS_ADRALN = 0x1
    80  	_BUS_ADRERR = 0x2
    81  	_BUS_OBJERR = 0x3
    82  
    83  	_SEGV_MAPERR = 0x1
    84  	_SEGV_ACCERR = 0x2
    85  
    86  	_ITIMER_REAL    = 0x0
    87  	_ITIMER_VIRTUAL = 0x1
    88  	_ITIMER_PROF    = 0x2
    89  
    90  	_CLOCK_THREAD_CPUTIME_ID = 0x3
    91  
    92  	_SIGEV_THREAD_ID = 0x4
    93  
    94  	_EPOLLIN       = 0x1
    95  	_EPOLLOUT      = 0x4
    96  	_EPOLLERR      = 0x8
    97  	_EPOLLHUP      = 0x10
    98  	_EPOLLRDHUP    = 0x2000
    99  	_EPOLLET       = 0x80000000
   100  	_EPOLL_CLOEXEC = 0x80000
   101  	_EPOLL_CTL_ADD = 0x1
   102  	_EPOLL_CTL_DEL = 0x2
   103  	_EPOLL_CTL_MOD = 0x3
   104  )
   105  
   106  type timespec struct {
   107  	tv_sec  int32
   108  	tv_nsec int32
   109  }
   110  
   111  //go:nosplit
   112  func (ts *timespec) setNsec(ns int64) {
   113  	ts.tv_sec = timediv(ns, 1e9, &ts.tv_nsec)
   114  }
   115  
   116  type timeval struct {
   117  	tv_sec  int32
   118  	tv_usec int32
   119  }
   120  
   121  //go:nosplit
   122  func (tv *timeval) set_usec(x int32) {
   123  	tv.tv_usec = x
   124  }
   125  
   126  type sigactiont struct {
   127  	sa_flags   uint32
   128  	sa_handler uintptr
   129  	sa_mask    [4]uint32
   130  	// linux header does not have sa_restorer field,
   131  	// but it is used in setsig(). it is no harm to put it here
   132  	sa_restorer uintptr
   133  }
   134  
   135  type siginfoFields struct {
   136  	si_signo int32
   137  	si_code  int32
   138  	si_errno int32
   139  	// below here is a union; si_addr is the only field we use
   140  	si_addr uint32
   141  }
   142  
   143  type siginfo struct {
   144  	siginfoFields
   145  
   146  	// Pad struct to the max size in the kernel.
   147  	_ [_si_max_size - unsafe.Sizeof(siginfoFields{})]byte
   148  }
   149  
   150  type itimerspec struct {
   151  	it_interval timespec
   152  	it_value    timespec
   153  }
   154  
   155  type itimerval struct {
   156  	it_interval timeval
   157  	it_value    timeval
   158  }
   159  
   160  type sigeventFields struct {
   161  	value  uintptr
   162  	signo  int32
   163  	notify int32
   164  	// below here is a union; sigev_notify_thread_id is the only field we use
   165  	sigev_notify_thread_id int32
   166  }
   167  
   168  type sigevent struct {
   169  	sigeventFields
   170  
   171  	// Pad struct to the max size in the kernel.
   172  	_ [_sigev_max_size - unsafe.Sizeof(sigeventFields{})]byte
   173  }
   174  
   175  type epollevent struct {
   176  	events    uint32
   177  	pad_cgo_0 [4]byte
   178  	data      uint64
   179  }
   180  
   181  const (
   182  	_O_RDONLY    = 0x0
   183  	_O_NONBLOCK  = 0x80
   184  	_O_CLOEXEC   = 0x80000
   185  	_SA_RESTORER = 0
   186  )
   187  
   188  type stackt struct {
   189  	ss_sp    *byte
   190  	ss_size  uintptr
   191  	ss_flags int32
   192  }
   193  
   194  type sigcontext struct {
   195  	sc_regmask   uint32
   196  	sc_status    uint32
   197  	sc_pc        uint64
   198  	sc_regs      [32]uint64
   199  	sc_fpregs    [32]uint64
   200  	sc_acx       uint32
   201  	sc_fpc_csr   uint32
   202  	sc_fpc_eir   uint32
   203  	sc_used_math uint32
   204  	sc_dsp       uint32
   205  	sc_mdhi      uint64
   206  	sc_mdlo      uint64
   207  	sc_hi1       uint32
   208  	sc_lo1       uint32
   209  	sc_hi2       uint32
   210  	sc_lo2       uint32
   211  	sc_hi3       uint32
   212  	sc_lo3       uint32
   213  }
   214  
   215  type ucontext struct {
   216  	uc_flags    uint32
   217  	uc_link     *ucontext
   218  	uc_stack    stackt
   219  	Pad_cgo_0   [4]byte
   220  	uc_mcontext sigcontext
   221  	uc_sigmask  [4]uint32
   222  }
   223
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