github.com/Kalvelign/golang-windows-sys-lib@v0.0.0-20221121121202-63da651435e1/unix/syscall_linux_ppc.go (about) 1 // Copyright 2021 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 linux && ppc 6 // +build linux,ppc 7 8 package unix 9 10 import ( 11 "syscall" 12 "unsafe" 13 ) 14 15 //sys EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error) 16 //sys Fchown(fd int, uid int, gid int) (err error) 17 //sys Fstat(fd int, stat *Stat_t) (err error) = SYS_FSTAT64 18 //sys Fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) = SYS_FSTATAT64 19 //sys Ftruncate(fd int, length int64) (err error) = SYS_FTRUNCATE64 20 //sysnb Getegid() (egid int) 21 //sysnb Geteuid() (euid int) 22 //sysnb Getgid() (gid int) 23 //sysnb Getuid() (uid int) 24 //sys Ioperm(from int, num int, on int) (err error) 25 //sys Iopl(level int) (err error) 26 //sys Lchown(path string, uid int, gid int) (err error) 27 //sys Listen(s int, n int) (err error) 28 //sys Lstat(path string, stat *Stat_t) (err error) = SYS_LSTAT64 29 //sys Pause() (err error) 30 //sys pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64 31 //sys pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64 32 //sys Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) 33 //sys Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) = SYS__NEWSELECT 34 //sys sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) = SYS_SENDFILE64 35 //sys setfsgid(gid int) (prev int, err error) 36 //sys setfsuid(uid int) (prev int, err error) 37 //sys Shutdown(fd int, how int) (err error) 38 //sys Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int, err error) 39 //sys Stat(path string, stat *Stat_t) (err error) = SYS_STAT64 40 //sys Truncate(path string, length int64) (err error) = SYS_TRUNCATE64 41 //sys Ustat(dev int, ubuf *Ustat_t) (err error) 42 //sys accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error) 43 //sys bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) 44 //sys connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) 45 //sysnb getgroups(n int, list *_Gid_t) (nn int, err error) 46 //sysnb setgroups(n int, list *_Gid_t) (err error) 47 //sys getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error) 48 //sys setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error) 49 //sysnb socket(domain int, typ int, proto int) (fd int, err error) 50 //sysnb socketpair(domain int, typ int, proto int, fd *[2]int32) (err error) 51 //sysnb getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) 52 //sysnb getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) 53 //sys recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error) 54 //sys sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error) 55 //sys recvmsg(s int, msg *Msghdr, flags int) (n int, err error) 56 //sys sendmsg(s int, msg *Msghdr, flags int) (n int, err error) 57 58 //sys futimesat(dirfd int, path string, times *[2]Timeval) (err error) 59 //sysnb Gettimeofday(tv *Timeval) (err error) 60 //sysnb Time(t *Time_t) (tt Time_t, err error) 61 //sys Utime(path string, buf *Utimbuf) (err error) 62 //sys utimes(path string, times *[2]Timeval) (err error) 63 64 func Fadvise(fd int, offset int64, length int64, advice int) (err error) { 65 _, _, e1 := Syscall6(SYS_FADVISE64_64, uintptr(fd), uintptr(advice), uintptr(offset>>32), uintptr(offset), uintptr(length>>32), uintptr(length)) 66 if e1 != 0 { 67 err = errnoErr(e1) 68 } 69 return 70 } 71 72 func seek(fd int, offset int64, whence int) (int64, syscall.Errno) { 73 var newoffset int64 74 offsetLow := uint32(offset & 0xffffffff) 75 offsetHigh := uint32((offset >> 32) & 0xffffffff) 76 _, _, err := Syscall6(SYS__LLSEEK, uintptr(fd), uintptr(offsetHigh), uintptr(offsetLow), uintptr(unsafe.Pointer(&newoffset)), uintptr(whence), 0) 77 return newoffset, err 78 } 79 80 func Seek(fd int, offset int64, whence int) (newoffset int64, err error) { 81 newoffset, errno := seek(fd, offset, whence) 82 if errno != 0 { 83 return 0, errno 84 } 85 return newoffset, nil 86 } 87 88 func Fstatfs(fd int, buf *Statfs_t) (err error) { 89 _, _, e := Syscall(SYS_FSTATFS64, uintptr(fd), unsafe.Sizeof(*buf), uintptr(unsafe.Pointer(buf))) 90 if e != 0 { 91 err = e 92 } 93 return 94 } 95 96 func Statfs(path string, buf *Statfs_t) (err error) { 97 pathp, err := BytePtrFromString(path) 98 if err != nil { 99 return err 100 } 101 _, _, e := Syscall(SYS_STATFS64, uintptr(unsafe.Pointer(pathp)), unsafe.Sizeof(*buf), uintptr(unsafe.Pointer(buf))) 102 if e != 0 { 103 err = e 104 } 105 return 106 } 107 108 //sys mmap2(addr uintptr, length uintptr, prot int, flags int, fd int, pageOffset uintptr) (xaddr uintptr, err error) 109 110 func mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error) { 111 page := uintptr(offset / 4096) 112 if offset != int64(page)*4096 { 113 return 0, EINVAL 114 } 115 return mmap2(addr, length, prot, flags, fd, page) 116 } 117 118 func setTimespec(sec, nsec int64) Timespec { 119 return Timespec{Sec: int32(sec), Nsec: int32(nsec)} 120 } 121 122 func setTimeval(sec, usec int64) Timeval { 123 return Timeval{Sec: int32(sec), Usec: int32(usec)} 124 } 125 126 type rlimit32 struct { 127 Cur uint32 128 Max uint32 129 } 130 131 //sysnb getrlimit(resource int, rlim *rlimit32) (err error) = SYS_UGETRLIMIT 132 133 const rlimInf32 = ^uint32(0) 134 const rlimInf64 = ^uint64(0) 135 136 func Getrlimit(resource int, rlim *Rlimit) (err error) { 137 err = Prlimit(0, resource, nil, rlim) 138 if err != ENOSYS { 139 return err 140 } 141 142 rl := rlimit32{} 143 err = getrlimit(resource, &rl) 144 if err != nil { 145 return 146 } 147 148 if rl.Cur == rlimInf32 { 149 rlim.Cur = rlimInf64 150 } else { 151 rlim.Cur = uint64(rl.Cur) 152 } 153 154 if rl.Max == rlimInf32 { 155 rlim.Max = rlimInf64 156 } else { 157 rlim.Max = uint64(rl.Max) 158 } 159 return 160 } 161 162 //sysnb setrlimit(resource int, rlim *rlimit32) (err error) = SYS_SETRLIMIT 163 164 func Setrlimit(resource int, rlim *Rlimit) (err error) { 165 err = Prlimit(0, resource, rlim, nil) 166 if err != ENOSYS { 167 return err 168 } 169 170 rl := rlimit32{} 171 if rlim.Cur == rlimInf64 { 172 rl.Cur = rlimInf32 173 } else if rlim.Cur < uint64(rlimInf32) { 174 rl.Cur = uint32(rlim.Cur) 175 } else { 176 return EINVAL 177 } 178 if rlim.Max == rlimInf64 { 179 rl.Max = rlimInf32 180 } else if rlim.Max < uint64(rlimInf32) { 181 rl.Max = uint32(rlim.Max) 182 } else { 183 return EINVAL 184 } 185 186 return setrlimit(resource, &rl) 187 } 188 189 func (r *PtraceRegs) PC() uint32 { return r.Nip } 190 191 func (r *PtraceRegs) SetPC(pc uint32) { r.Nip = pc } 192 193 func (iov *Iovec) SetLen(length int) { 194 iov.Len = uint32(length) 195 } 196 197 func (msghdr *Msghdr) SetControllen(length int) { 198 msghdr.Controllen = uint32(length) 199 } 200 201 func (msghdr *Msghdr) SetIovlen(length int) { 202 msghdr.Iovlen = uint32(length) 203 } 204 205 func (cmsg *Cmsghdr) SetLen(length int) { 206 cmsg.Len = uint32(length) 207 } 208 209 func (rsa *RawSockaddrNFCLLCP) SetServiceNameLen(length int) { 210 rsa.Service_name_len = uint32(length) 211 } 212 213 //sys syncFileRange2(fd int, flags int, off int64, n int64) (err error) = SYS_SYNC_FILE_RANGE2 214 215 func SyncFileRange(fd int, off int64, n int64, flags int) error { 216 // The sync_file_range and sync_file_range2 syscalls differ only in the 217 // order of their arguments. 218 return syncFileRange2(fd, flags, off, n) 219 } 220 221 //sys kexecFileLoad(kernelFd int, initrdFd int, cmdlineLen int, cmdline string, flags int) (err error) 222 223 func KexecFileLoad(kernelFd int, initrdFd int, cmdline string, flags int) error { 224 cmdlineLen := len(cmdline) 225 if cmdlineLen > 0 { 226 // Account for the additional NULL byte added by 227 // BytePtrFromString in kexecFileLoad. The kexec_file_load 228 // syscall expects a NULL-terminated string. 229 cmdlineLen++ 230 } 231 return kexecFileLoad(kernelFd, initrdFd, cmdlineLen, cmdline, flags) 232 }