defs_linux_mipsx.go

Documentation: runtime

     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  	_MADV_COLLAPSE   = 0x19
    30  
    31  	_SA_RESTART = 0x10000000
    32  	_SA_ONSTACK = 0x8000000
    33  	_SA_SIGINFO = 0x8
    34  
    35  	_SI_KERNEL = 0x80
    36  	_SI_TIMER  = -0x2
    37  
    38  	_SIGHUP    = 0x1
    39  	_SIGINT    = 0x2
    40  	_SIGQUIT   = 0x3
    41  	_SIGILL    = 0x4
    42  	_SIGTRAP   = 0x5
    43  	_SIGABRT   = 0x6
    44  	_SIGEMT    = 0x7
    45  	_SIGFPE    = 0x8
    46  	_SIGKILL   = 0x9
    47  	_SIGBUS    = 0xa
    48  	_SIGSEGV   = 0xb
    49  	_SIGSYS    = 0xc
    50  	_SIGPIPE   = 0xd
    51  	_SIGALRM   = 0xe
    52  	_SIGUSR1   = 0x10
    53  	_SIGUSR2   = 0x11
    54  	_SIGCHLD   = 0x12
    55  	_SIGPWR    = 0x13
    56  	_SIGWINCH  = 0x14
    57  	_SIGURG    = 0x15
    58  	_SIGIO     = 0x16
    59  	_SIGSTOP   = 0x17
    60  	_SIGTSTP   = 0x18
    61  	_SIGCONT   = 0x19
    62  	_SIGTTIN   = 0x1a
    63  	_SIGTTOU   = 0x1b
    64  	_SIGVTALRM = 0x1c
    65  	_SIGPROF   = 0x1d
    66  	_SIGXCPU   = 0x1e
    67  	_SIGXFSZ   = 0x1f
    68  
    69  	_SIGRTMIN = 0x20
    70  
    71  	_FPE_INTDIV = 0x1
    72  	_FPE_INTOVF = 0x2
    73  	_FPE_FLTDIV = 0x3
    74  	_FPE_FLTOVF = 0x4
    75  	_FPE_FLTUND = 0x5
    76  	_FPE_FLTRES = 0x6
    77  	_FPE_FLTINV = 0x7
    78  	_FPE_FLTSUB = 0x8
    79  
    80  	_BUS_ADRALN = 0x1
    81  	_BUS_ADRERR = 0x2
    82  	_BUS_OBJERR = 0x3
    83  
    84  	_SEGV_MAPERR = 0x1
    85  	_SEGV_ACCERR = 0x2
    86  
    87  	_ITIMER_REAL    = 0x0
    88  	_ITIMER_VIRTUAL = 0x1
    89  	_ITIMER_PROF    = 0x2
    90  
    91  	_CLOCK_THREAD_CPUTIME_ID = 0x3
    92  
    93  	_SIGEV_THREAD_ID = 0x4
    94  )
    95  
    96  type timespec struct {
    97  	tv_sec  int32
    98  	tv_nsec int32
    99  }
   100  
   101  //go:nosplit
   102  func (ts *timespec) setNsec(ns int64) {
   103  	ts.tv_sec = timediv(ns, 1e9, &ts.tv_nsec)
   104  }
   105  
   106  type timeval struct {
   107  	tv_sec  int32
   108  	tv_usec int32
   109  }
   110  
   111  //go:nosplit
   112  func (tv *timeval) set_usec(x int32) {
   113  	tv.tv_usec = x
   114  }
   115  
   116  type sigactiont struct {
   117  	sa_flags   uint32
   118  	sa_handler uintptr
   119  	sa_mask    [4]uint32
   120  	// linux header does not have sa_restorer field,
   121  	// but it is used in setsig(). it is no harm to put it here
   122  	sa_restorer uintptr
   123  }
   124  
   125  type siginfoFields struct {
   126  	si_signo int32
   127  	si_code  int32
   128  	si_errno int32
   129  	// below here is a union; si_addr is the only field we use
   130  	si_addr uint32
   131  }
   132  
   133  type siginfo struct {
   134  	siginfoFields
   135  
   136  	// Pad struct to the max size in the kernel.
   137  	_ [_si_max_size - unsafe.Sizeof(siginfoFields{})]byte
   138  }
   139  
   140  type itimerspec struct {
   141  	it_interval timespec
   142  	it_value    timespec
   143  }
   144  
   145  type itimerval struct {
   146  	it_interval timeval
   147  	it_value    timeval
   148  }
   149  
   150  type sigeventFields struct {
   151  	value  uintptr
   152  	signo  int32
   153  	notify int32
   154  	// below here is a union; sigev_notify_thread_id is the only field we use
   155  	sigev_notify_thread_id int32
   156  }
   157  
   158  type sigevent struct {
   159  	sigeventFields
   160  
   161  	// Pad struct to the max size in the kernel.
   162  	_ [_sigev_max_size - unsafe.Sizeof(sigeventFields{})]byte
   163  }
   164  
   165  const (
   166  	_O_RDONLY    = 0x0
   167  	_O_WRONLY    = 0x1
   168  	_O_NONBLOCK  = 0x80
   169  	_O_CREAT     = 0x100
   170  	_O_TRUNC     = 0x200
   171  	_O_CLOEXEC   = 0x80000
   172  	_SA_RESTORER = 0
   173  )
   174  
   175  type stackt struct {
   176  	ss_sp    *byte
   177  	ss_size  uintptr
   178  	ss_flags int32
   179  }
   180  
   181  type sigcontext struct {
   182  	sc_regmask   uint32
   183  	sc_status    uint32
   184  	sc_pc        uint64
   185  	sc_regs      [32]uint64
   186  	sc_fpregs    [32]uint64
   187  	sc_acx       uint32
   188  	sc_fpc_csr   uint32
   189  	sc_fpc_eir   uint32
   190  	sc_used_math uint32
   191  	sc_dsp       uint32
   192  	sc_mdhi      uint64
   193  	sc_mdlo      uint64
   194  	sc_hi1       uint32
   195  	sc_lo1       uint32
   196  	sc_hi2       uint32
   197  	sc_lo2       uint32
   198  	sc_hi3       uint32
   199  	sc_lo3       uint32
   200  }
   201  
   202  type ucontext struct {
   203  	uc_flags    uint32
   204  	uc_link     *ucontext
   205  	uc_stack    stackt
   206  	Pad_cgo_0   [4]byte
   207  	uc_mcontext sigcontext
   208  	uc_sigmask  [4]uint32
   209  }
   210
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