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_WRONLY       = 0x1
    84  	_O_CREAT        = 0x40
    85  	_O_TRUNC        = 0x200
    86  	_O_NONBLOCK     = 0x800
    87  	_O_CLOEXEC      = 0x80000
    88  
    89  	_CLOCK_THREAD_CPUTIME_ID = 0x3
    90  
    91  	_SIGEV_THREAD_ID = 0x4
    92  
    93  	_AF_UNIX    = 0x1
    94  	_SOCK_DGRAM = 0x2
    95  )
    96  
    97  type timespec struct {
    98  	tv_sec  int32
    99  	tv_nsec int32
   100  }
   101  
   102  //go:nosplit
   103  func (ts *timespec) setNsec(ns int64) {
   104  	ts.tv_sec = timediv(ns, 1e9, &ts.tv_nsec)
   105  }
   106  
   107  type stackt struct {
   108  	ss_sp    *byte
   109  	ss_flags int32
   110  	ss_size  uintptr
   111  }
   112  
   113  type sigcontext struct {
   114  	trap_no       uint32
   115  	error_code    uint32
   116  	oldmask       uint32
   117  	r0            uint32
   118  	r1            uint32
   119  	r2            uint32
   120  	r3            uint32
   121  	r4            uint32
   122  	r5            uint32
   123  	r6            uint32
   124  	r7            uint32
   125  	r8            uint32
   126  	r9            uint32
   127  	r10           uint32
   128  	fp            uint32
   129  	ip            uint32
   130  	sp            uint32
   131  	lr            uint32
   132  	pc            uint32
   133  	cpsr          uint32
   134  	fault_address uint32
   135  }
   136  
   137  type ucontext struct {
   138  	uc_flags    uint32
   139  	uc_link     *ucontext
   140  	uc_stack    stackt
   141  	uc_mcontext sigcontext
   142  	uc_sigmask  uint32
   143  	__unused    [31]int32
   144  	uc_regspace [128]uint32
   145  }
   146  
   147  type timeval struct {
   148  	tv_sec  int32
   149  	tv_usec int32
   150  }
   151  
   152  func (tv *timeval) set_usec(x int32) {
   153  	tv.tv_usec = x
   154  }
   155  
   156  type itimerspec struct {
   157  	it_interval timespec
   158  	it_value    timespec
   159  }
   160  
   161  type itimerval struct {
   162  	it_interval timeval
   163  	it_value    timeval
   164  }
   165  
   166  type sigeventFields struct {
   167  	value  uintptr
   168  	signo  int32
   169  	notify int32
   170  	// below here is a union; sigev_notify_thread_id is the only field we use
   171  	sigev_notify_thread_id int32
   172  }
   173  
   174  type sigevent struct {
   175  	sigeventFields
   176  
   177  	// Pad struct to the max size in the kernel.
   178  	_ [_sigev_max_size - unsafe.Sizeof(sigeventFields{})]byte
   179  }
   180  
   181  type siginfoFields struct {
   182  	si_signo int32
   183  	si_errno int32
   184  	si_code  int32
   185  	// below here is a union; si_addr is the only field we use
   186  	si_addr uint32
   187  }
   188  
   189  type siginfo struct {
   190  	siginfoFields
   191  
   192  	// Pad struct to the max size in the kernel.
   193  	_ [_si_max_size - unsafe.Sizeof(siginfoFields{})]byte
   194  }
   195  
   196  type sigactiont struct {
   197  	sa_handler  uintptr
   198  	sa_flags    uint32
   199  	sa_restorer uintptr
   200  	sa_mask     uint64
   201  }
   202  
   203  type sockaddr_un struct {
   204  	family uint16
   205  	path   [108]byte
   206  }
   207  

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