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  	_ENOSYS = 0x26
    15  
    16  	_PROT_NONE  = 0
    17  	_PROT_READ  = 0x1
    18  	_PROT_WRITE = 0x2
    19  	_PROT_EXEC  = 0x4
    20  
    21  	_MAP_ANON    = 0x20
    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_RESTORER    = 0 // unused on ARM
    33  	_SA_SIGINFO     = 0x4
    34  	_SI_KERNEL      = 0x80
    35  	_SI_TIMER       = -0x2
    36  	_SIGHUP         = 0x1
    37  	_SIGINT         = 0x2
    38  	_SIGQUIT        = 0x3
    39  	_SIGILL         = 0x4
    40  	_SIGTRAP        = 0x5
    41  	_SIGABRT        = 0x6
    42  	_SIGBUS         = 0x7
    43  	_SIGFPE         = 0x8
    44  	_SIGKILL        = 0x9
    45  	_SIGUSR1        = 0xa
    46  	_SIGSEGV        = 0xb
    47  	_SIGUSR2        = 0xc
    48  	_SIGPIPE        = 0xd
    49  	_SIGALRM        = 0xe
    50  	_SIGSTKFLT      = 0x10
    51  	_SIGCHLD        = 0x11
    52  	_SIGCONT        = 0x12
    53  	_SIGSTOP        = 0x13
    54  	_SIGTSTP        = 0x14
    55  	_SIGTTIN        = 0x15
    56  	_SIGTTOU        = 0x16
    57  	_SIGURG         = 0x17
    58  	_SIGXCPU        = 0x18
    59  	_SIGXFSZ        = 0x19
    60  	_SIGVTALRM      = 0x1a
    61  	_SIGPROF        = 0x1b
    62  	_SIGWINCH       = 0x1c
    63  	_SIGIO          = 0x1d
    64  	_SIGPWR         = 0x1e
    65  	_SIGSYS         = 0x1f
    66  	_SIGRTMIN       = 0x20
    67  	_FPE_INTDIV     = 0x1
    68  	_FPE_INTOVF     = 0x2
    69  	_FPE_FLTDIV     = 0x3
    70  	_FPE_FLTOVF     = 0x4
    71  	_FPE_FLTUND     = 0x5
    72  	_FPE_FLTRES     = 0x6
    73  	_FPE_FLTINV     = 0x7
    74  	_FPE_FLTSUB     = 0x8
    75  	_BUS_ADRALN     = 0x1
    76  	_BUS_ADRERR     = 0x2
    77  	_BUS_OBJERR     = 0x3
    78  	_SEGV_MAPERR    = 0x1
    79  	_SEGV_ACCERR    = 0x2
    80  	_ITIMER_REAL    = 0
    81  	_ITIMER_PROF    = 0x2
    82  	_ITIMER_VIRTUAL = 0x1
    83  	_O_RDONLY       = 0
    84  	_O_NONBLOCK     = 0x800
    85  	_O_CLOEXEC      = 0x80000
    86  
    87  	_CLOCK_THREAD_CPUTIME_ID = 0x3
    88  
    89  	_SIGEV_THREAD_ID = 0x4
    90  
    91  	_EPOLLIN       = 0x1
    92  	_EPOLLOUT      = 0x4
    93  	_EPOLLERR      = 0x8
    94  	_EPOLLHUP      = 0x10
    95  	_EPOLLRDHUP    = 0x2000
    96  	_EPOLLET       = 0x80000000
    97  	_EPOLL_CLOEXEC = 0x80000
    98  	_EPOLL_CTL_ADD = 0x1
    99  	_EPOLL_CTL_DEL = 0x2
   100  	_EPOLL_CTL_MOD = 0x3
   101  
   102  	_AF_UNIX    = 0x1
   103  	_SOCK_DGRAM = 0x2
   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 stackt struct {
   117  	ss_sp    *byte
   118  	ss_flags int32
   119  	ss_size  uintptr
   120  }
   121  
   122  type sigcontext struct {
   123  	trap_no       uint32
   124  	error_code    uint32
   125  	oldmask       uint32
   126  	r0            uint32
   127  	r1            uint32
   128  	r2            uint32
   129  	r3            uint32
   130  	r4            uint32
   131  	r5            uint32
   132  	r6            uint32
   133  	r7            uint32
   134  	r8            uint32
   135  	r9            uint32
   136  	r10           uint32
   137  	fp            uint32
   138  	ip            uint32
   139  	sp            uint32
   140  	lr            uint32
   141  	pc            uint32
   142  	cpsr          uint32
   143  	fault_address uint32
   144  }
   145  
   146  type ucontext struct {
   147  	uc_flags    uint32
   148  	uc_link     *ucontext
   149  	uc_stack    stackt
   150  	uc_mcontext sigcontext
   151  	uc_sigmask  uint32
   152  	__unused    [31]int32
   153  	uc_regspace [128]uint32
   154  }
   155  
   156  type timeval struct {
   157  	tv_sec  int32
   158  	tv_usec int32
   159  }
   160  
   161  func (tv *timeval) set_usec(x int32) {
   162  	tv.tv_usec = x
   163  }
   164  
   165  type itimerspec struct {
   166  	it_interval timespec
   167  	it_value    timespec
   168  }
   169  
   170  type itimerval struct {
   171  	it_interval timeval
   172  	it_value    timeval
   173  }
   174  
   175  type sigeventFields struct {
   176  	value  uintptr
   177  	signo  int32
   178  	notify int32
   179  	// below here is a union; sigev_notify_thread_id is the only field we use
   180  	sigev_notify_thread_id int32
   181  }
   182  
   183  type sigevent struct {
   184  	sigeventFields
   185  
   186  	// Pad struct to the max size in the kernel.
   187  	_ [_sigev_max_size - unsafe.Sizeof(sigeventFields{})]byte
   188  }
   189  
   190  type siginfoFields struct {
   191  	si_signo int32
   192  	si_errno int32
   193  	si_code  int32
   194  	// below here is a union; si_addr is the only field we use
   195  	si_addr uint32
   196  }
   197  
   198  type siginfo struct {
   199  	siginfoFields
   200  
   201  	// Pad struct to the max size in the kernel.
   202  	_ [_si_max_size - unsafe.Sizeof(siginfoFields{})]byte
   203  }
   204  
   205  type sigactiont struct {
   206  	sa_handler  uintptr
   207  	sa_flags    uint32
   208  	sa_restorer uintptr
   209  	sa_mask     uint64
   210  }
   211  
   212  type epollevent struct {
   213  	events uint32
   214  	_pad   uint32
   215  	data   [8]byte // to match amd64
   216  }
   217  
   218  type sockaddr_un struct {
   219  	family uint16
   220  	path   [108]byte
   221  }
   222
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