Source file src/runtime/defs_linux_arm.go

     1  // Copyright 2014 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  // Constants
    10  const (
    11  	_EINTR  = 0x4
    12  	_ENOMEM = 0xc
    13  	_EAGAIN = 0xb
    14  
    15  	_PROT_NONE  = 0
    16  	_PROT_READ  = 0x1
    17  	_PROT_WRITE = 0x2
    18  	_PROT_EXEC  = 0x4
    19  
    20  	_MAP_ANON    = 0x20
    21  	_MAP_PRIVATE = 0x2
    22  	_MAP_FIXED   = 0x10
    23  
    24  	_MADV_DONTNEED   = 0x4
    25  	_MADV_FREE       = 0x8
    26  	_MADV_HUGEPAGE   = 0xe
    27  	_MADV_NOHUGEPAGE = 0xf
    28  
    29  	_SA_RESTART     = 0x10000000
    30  	_SA_ONSTACK     = 0x8000000
    31  	_SA_RESTORER    = 0 // unused on ARM
    32  	_SA_SIGINFO     = 0x4
    33  	_SI_KERNEL      = 0x80
    34  	_SI_TIMER       = -0x2
    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  	_SIGRTMIN       = 0x20
    66  	_FPE_INTDIV     = 0x1
    67  	_FPE_INTOVF     = 0x2
    68  	_FPE_FLTDIV     = 0x3
    69  	_FPE_FLTOVF     = 0x4
    70  	_FPE_FLTUND     = 0x5
    71  	_FPE_FLTRES     = 0x6
    72  	_FPE_FLTINV     = 0x7
    73  	_FPE_FLTSUB     = 0x8
    74  	_BUS_ADRALN     = 0x1
    75  	_BUS_ADRERR     = 0x2
    76  	_BUS_OBJERR     = 0x3
    77  	_SEGV_MAPERR    = 0x1
    78  	_SEGV_ACCERR    = 0x2
    79  	_ITIMER_REAL    = 0
    80  	_ITIMER_PROF    = 0x2
    81  	_ITIMER_VIRTUAL = 0x1
    82  	_O_RDONLY       = 0
    83  	_O_NONBLOCK     = 0x800
    84  	_O_CLOEXEC      = 0x80000
    85  
    86  	_CLOCK_THREAD_CPUTIME_ID = 0x3
    87  
    88  	_SIGEV_THREAD_ID = 0x4
    89  
    90  	_EPOLLIN       = 0x1
    91  	_EPOLLOUT      = 0x4
    92  	_EPOLLERR      = 0x8
    93  	_EPOLLHUP      = 0x10
    94  	_EPOLLRDHUP    = 0x2000
    95  	_EPOLLET       = 0x80000000
    96  	_EPOLL_CLOEXEC = 0x80000
    97  	_EPOLL_CTL_ADD = 0x1
    98  	_EPOLL_CTL_DEL = 0x2
    99  	_EPOLL_CTL_MOD = 0x3
   100  
   101  	_AF_UNIX    = 0x1
   102  	_SOCK_DGRAM = 0x2
   103  )
   104  
   105  type timespec struct {
   106  	tv_sec  int32
   107  	tv_nsec int32
   108  }
   109  
   110  //go:nosplit
   111  func (ts *timespec) setNsec(ns int64) {
   112  	ts.tv_sec = timediv(ns, 1e9, &ts.tv_nsec)
   113  }
   114  
   115  type stackt struct {
   116  	ss_sp    *byte
   117  	ss_flags int32
   118  	ss_size  uintptr
   119  }
   120  
   121  type sigcontext struct {
   122  	trap_no       uint32
   123  	error_code    uint32
   124  	oldmask       uint32
   125  	r0            uint32
   126  	r1            uint32
   127  	r2            uint32
   128  	r3            uint32
   129  	r4            uint32
   130  	r5            uint32
   131  	r6            uint32
   132  	r7            uint32
   133  	r8            uint32
   134  	r9            uint32
   135  	r10           uint32
   136  	fp            uint32
   137  	ip            uint32
   138  	sp            uint32
   139  	lr            uint32
   140  	pc            uint32
   141  	cpsr          uint32
   142  	fault_address uint32
   143  }
   144  
   145  type ucontext struct {
   146  	uc_flags    uint32
   147  	uc_link     *ucontext
   148  	uc_stack    stackt
   149  	uc_mcontext sigcontext
   150  	uc_sigmask  uint32
   151  	__unused    [31]int32
   152  	uc_regspace [128]uint32
   153  }
   154  
   155  type timeval struct {
   156  	tv_sec  int32
   157  	tv_usec int32
   158  }
   159  
   160  func (tv *timeval) set_usec(x int32) {
   161  	tv.tv_usec = x
   162  }
   163  
   164  type itimerspec struct {
   165  	it_interval timespec
   166  	it_value    timespec
   167  }
   168  
   169  type itimerval struct {
   170  	it_interval timeval
   171  	it_value    timeval
   172  }
   173  
   174  type sigeventFields struct {
   175  	value  uintptr
   176  	signo  int32
   177  	notify int32
   178  	// below here is a union; sigev_notify_thread_id is the only field we use
   179  	sigev_notify_thread_id int32
   180  }
   181  
   182  type sigevent struct {
   183  	sigeventFields
   184  
   185  	// Pad struct to the max size in the kernel.
   186  	_ [_sigev_max_size - unsafe.Sizeof(sigeventFields{})]byte
   187  }
   188  
   189  type siginfoFields struct {
   190  	si_signo int32
   191  	si_errno int32
   192  	si_code  int32
   193  	// below here is a union; si_addr is the only field we use
   194  	si_addr uint32
   195  }
   196  
   197  type siginfo struct {
   198  	siginfoFields
   199  
   200  	// Pad struct to the max size in the kernel.
   201  	_ [_si_max_size - unsafe.Sizeof(siginfoFields{})]byte
   202  }
   203  
   204  type sigactiont struct {
   205  	sa_handler  uintptr
   206  	sa_flags    uint32
   207  	sa_restorer uintptr
   208  	sa_mask     uint64
   209  }
   210  
   211  type epollevent struct {
   212  	events uint32
   213  	_pad   uint32
   214  	data   [8]byte // to match amd64
   215  }
   216  
   217  type sockaddr_un struct {
   218  	family uint16
   219  	path   [108]byte
   220  }
   221  

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