1// Copyright 2015 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 (mips64 || mips64le) && linux 6 7package runtime 8 9import "unsafe" 10 11const ( 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//struct Sigset { 97// uint64 sig[1]; 98//}; 99//typedef uint64 Sigset; 100 101type timespec struct { 102 tv_sec int64 103 tv_nsec int64 104} 105 106//go:nosplit 107func (ts *timespec) setNsec(ns int64) { 108 ts.tv_sec = ns / 1e9 109 ts.tv_nsec = ns % 1e9 110} 111 112type timeval struct { 113 tv_sec int64 114 tv_usec int64 115} 116 117func (tv *timeval) set_usec(x int32) { 118 tv.tv_usec = int64(x) 119} 120 121type sigactiont struct { 122 sa_flags uint32 123 sa_handler uintptr 124 sa_mask [2]uint64 125 // linux header does not have sa_restorer field, 126 // but it is used in setsig(). it is no harm to put it here 127 sa_restorer uintptr 128} 129 130type siginfoFields struct { 131 si_signo int32 132 si_code int32 133 si_errno int32 134 __pad0 [1]int32 135 // below here is a union; si_addr is the only field we use 136 si_addr uint64 137} 138 139type siginfo struct { 140 siginfoFields 141 142 // Pad struct to the max size in the kernel. 143 _ [_si_max_size - unsafe.Sizeof(siginfoFields{})]byte 144} 145 146type itimerspec struct { 147 it_interval timespec 148 it_value timespec 149} 150 151type itimerval struct { 152 it_interval timeval 153 it_value timeval 154} 155 156type sigeventFields struct { 157 value uintptr 158 signo int32 159 notify int32 160 // below here is a union; sigev_notify_thread_id is the only field we use 161 sigev_notify_thread_id int32 162} 163 164type sigevent struct { 165 sigeventFields 166 167 // Pad struct to the max size in the kernel. 168 _ [_sigev_max_size - unsafe.Sizeof(sigeventFields{})]byte 169} 170 171const ( 172 _O_RDONLY = 0x0 173 _O_WRONLY = 0x1 174 _O_CREAT = 0x100 175 _O_TRUNC = 0x200 176 _O_NONBLOCK = 0x80 177 _O_CLOEXEC = 0x80000 178 _SA_RESTORER = 0 179) 180 181type stackt struct { 182 ss_sp *byte 183 ss_size uintptr 184 ss_flags int32 185} 186 187type sigcontext struct { 188 sc_regs [32]uint64 189 sc_fpregs [32]uint64 190 sc_mdhi uint64 191 sc_hi1 uint64 192 sc_hi2 uint64 193 sc_hi3 uint64 194 sc_mdlo uint64 195 sc_lo1 uint64 196 sc_lo2 uint64 197 sc_lo3 uint64 198 sc_pc uint64 199 sc_fpc_csr uint32 200 sc_used_math uint32 201 sc_dsp uint32 202 sc_reserved uint32 203} 204 205type ucontext struct { 206 uc_flags uint64 207 uc_link *ucontext 208 uc_stack stackt 209 uc_mcontext sigcontext 210 uc_sigmask uint64 211} 212