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// Copyright 2016 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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//go:build linux && (mips || mipsle)
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func Syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno)
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//sys EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error)
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//sys Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_FADVISE64
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//sys Fchown(fd int, uid int, gid int) (err error)
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//sys Ftruncate(fd int, length int64) (err error) = SYS_FTRUNCATE64
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//sysnb Getegid() (egid int)
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//sysnb Geteuid() (euid int)
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//sysnb Getgid() (gid int)
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//sysnb Getuid() (uid int)
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//sys Lchown(path string, uid int, gid int) (err error)
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//sys Listen(s int, n int) (err error)
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//sys pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
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//sys pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
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//sys Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error)
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//sys Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) = SYS__NEWSELECT
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//sys sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) = SYS_SENDFILE64
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//sys setfsgid(gid int) (prev int, err error)
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//sys setfsuid(uid int) (prev int, err error)
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//sys Shutdown(fd int, how int) (err error)
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//sys Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int, err error)
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//sys SyncFileRange(fd int, off int64, n int64, flags int) (err error)
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//sys Truncate(path string, length int64) (err error) = SYS_TRUNCATE64
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//sys Ustat(dev int, ubuf *Ustat_t) (err error)
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//sys accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error)
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//sys bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
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//sys connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
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//sysnb getgroups(n int, list *_Gid_t) (nn int, err error)
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//sysnb setgroups(n int, list *_Gid_t) (err error)
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//sys getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error)
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//sys setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error)
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//sysnb socket(domain int, typ int, proto int) (fd int, err error)
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//sysnb socketpair(domain int, typ int, proto int, fd *[2]int32) (err error)
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//sysnb getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error)
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//sysnb getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error)
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//sys recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error)
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//sys sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error)
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//sys recvmsg(s int, msg *Msghdr, flags int) (n int, err error)
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//sys sendmsg(s int, msg *Msghdr, flags int) (n int, err error)
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//sys Ioperm(from int, num int, on int) (err error)
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//sys Iopl(level int) (err error)
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//sys futimesat(dirfd int, path string, times *[2]Timeval) (err error)
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//sysnb Gettimeofday(tv *Timeval) (err error)
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//sysnb Time(t *Time_t) (tt Time_t, err error)
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//sys Utime(path string, buf *Utimbuf) (err error)
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//sys utimes(path string, times *[2]Timeval) (err error)
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//sys Lstat(path string, stat *Stat_t) (err error) = SYS_LSTAT64
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//sys Fstat(fd int, stat *Stat_t) (err error) = SYS_FSTAT64
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//sys Fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) = SYS_FSTATAT64
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//sys Stat(path string, stat *Stat_t) (err error) = SYS_STAT64
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//sys Pause() (err error)
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func Fstatfs(fd int, buf *Statfs_t) (err error) {
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_, _, e := Syscall(SYS_FSTATFS64, uintptr(fd), unsafe.Sizeof(*buf), uintptr(unsafe.Pointer(buf)))
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func Statfs(path string, buf *Statfs_t) (err error) {
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p, err := BytePtrFromString(path)
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_, _, e := Syscall(SYS_STATFS64, uintptr(unsafe.Pointer(p)), unsafe.Sizeof(*buf), uintptr(unsafe.Pointer(buf)))
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func Seek(fd int, offset int64, whence int) (off int64, err error) {
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_, _, e := Syscall6(SYS__LLSEEK, uintptr(fd), uintptr(offset>>32), uintptr(offset), uintptr(unsafe.Pointer(&off)), uintptr(whence), 0)
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func setTimespec(sec, nsec int64) Timespec {
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return Timespec{Sec: int32(sec), Nsec: int32(nsec)}
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func setTimeval(sec, usec int64) Timeval {
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return Timeval{Sec: int32(sec), Usec: int32(usec)}
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//sys mmap2(addr uintptr, length uintptr, prot int, flags int, fd int, pageOffset uintptr) (xaddr uintptr, err error)
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func mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error) {
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page := uintptr(offset / 4096)
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if offset != int64(page)*4096 {
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return mmap2(addr, length, prot, flags, fd, page)
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const rlimInf32 = ^uint32(0)
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const rlimInf64 = ^uint64(0)
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type rlimit32 struct {
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//sysnb getrlimit(resource int, rlim *rlimit32) (err error) = SYS_GETRLIMIT
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func Getrlimit(resource int, rlim *Rlimit) (err error) {
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err = Prlimit(0, resource, nil, rlim)
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err = getrlimit(resource, &rl)
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if rl.Cur == rlimInf32 {
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rlim.Cur = uint64(rl.Cur)
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if rl.Max == rlimInf32 {
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rlim.Max = uint64(rl.Max)
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func (r *PtraceRegs) PC() uint64 { return r.Epc }
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func (r *PtraceRegs) SetPC(pc uint64) { r.Epc = pc }
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func (iov *Iovec) SetLen(length int) {
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iov.Len = uint32(length)
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func (msghdr *Msghdr) SetControllen(length int) {
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msghdr.Controllen = uint32(length)
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func (msghdr *Msghdr) SetIovlen(length int) {
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msghdr.Iovlen = uint32(length)
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func (cmsg *Cmsghdr) SetLen(length int) {
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cmsg.Len = uint32(length)
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func (rsa *RawSockaddrNFCLLCP) SetServiceNameLen(length int) {
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rsa.Service_name_len = uint32(length)