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Diffstat (limited to '')
-rw-r--r-- | src/syscall/syscall_linux_mipsx.go | 224 |
1 files changed, 224 insertions, 0 deletions
diff --git a/src/syscall/syscall_linux_mipsx.go b/src/syscall/syscall_linux_mipsx.go new file mode 100644 index 0000000..7d4f8f2 --- /dev/null +++ b/src/syscall/syscall_linux_mipsx.go @@ -0,0 +1,224 @@ +// Copyright 2016 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build linux && (mips || mipsle) + +package syscall + +import "unsafe" + +const ( + _SYS_setgroups = SYS_SETGROUPS + _SYS_clone3 = 4435 + _SYS_faccessat2 = 4439 + _SYS_fchmodat2 = 4452 +) + +func Syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err Errno) + +//sys Dup2(oldfd int, newfd int) (err error) +//sys Fchown(fd int, uid int, gid int) (err error) +//sys fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) = SYS_FSTATAT64 +//sys Ftruncate(fd int, length int64) (err error) = SYS_FTRUNCATE64 +//sysnb Getegid() (egid int) +//sysnb Geteuid() (euid int) +//sysnb Getgid() (gid int) +//sysnb Getuid() (uid int) +//sys Lchown(path string, uid int, gid int) (err error) +//sys Listen(s int, n int) (err error) +//sys Pause() (err error) +//sys pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64 +//sys pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64 +//sys Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) +//sys Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) = SYS__NEWSELECT +//sys sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) = SYS_SENDFILE64 +//sys Setfsgid(gid int) (err error) +//sys Setfsuid(uid int) (err error) +//sys Shutdown(fd int, how int) (err error) +//sys Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int, err error) + +//sys SyncFileRange(fd int, off int64, n int64, flags int) (err error) +//sys Truncate(path string, length int64) (err error) = SYS_TRUNCATE64 +//sys Ustat(dev int, ubuf *Ustat_t) (err error) +//sys accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error) +//sys bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) +//sys connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) +//sysnb getgroups(n int, list *_Gid_t) (nn int, err error) +//sys getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error) +//sys setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error) +//sysnb socket(domain int, typ int, proto int) (fd int, err error) +//sysnb socketpair(domain int, typ int, proto int, fd *[2]int32) (err error) +//sysnb getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) +//sysnb getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) +//sys recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error) +//sys sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error) +//sys recvmsg(s int, msg *Msghdr, flags int) (n int, err error) +//sys sendmsg(s int, msg *Msghdr, flags int) (n int, err error) + +//sysnb InotifyInit() (fd int, err error) +//sys Ioperm(from int, num int, on int) (err error) +//sys Iopl(level int) (err error) + +//sys futimesat(dirfd int, path string, times *[2]Timeval) (err error) +//sysnb Gettimeofday(tv *Timeval) (err error) +//sysnb Time(t *Time_t) (tt Time_t, err error) +//sys Utime(path string, buf *Utimbuf) (err error) +//sys utimes(path string, times *[2]Timeval) (err error) + +//sys Lstat(path string, stat *Stat_t) (err error) = SYS_LSTAT64 +//sys Fstat(fd int, stat *Stat_t) (err error) = SYS_FSTAT64 +//sys Stat(path string, stat *Stat_t) (err error) = SYS_STAT64 +//sys EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error) + +func Fstatfs(fd int, buf *Statfs_t) (err error) { + _, _, e := Syscall(SYS_FSTATFS64, uintptr(fd), unsafe.Sizeof(*buf), uintptr(unsafe.Pointer(buf))) + if e != 0 { + err = errnoErr(e) + } + return +} + +func Statfs(path string, buf *Statfs_t) (err error) { + p, err := BytePtrFromString(path) + if err != nil { + return err + } + _, _, e := Syscall(SYS_STATFS64, uintptr(unsafe.Pointer(p)), unsafe.Sizeof(*buf), uintptr(unsafe.Pointer(buf))) + if e != 0 { + err = errnoErr(e) + } + return +} + +func Seek(fd int, offset int64, whence int) (off int64, err error) { + _, _, e := Syscall6(SYS__LLSEEK, uintptr(fd), uintptr(offset>>32), uintptr(offset), uintptr(unsafe.Pointer(&off)), uintptr(whence), 0) + if e != 0 { + err = errnoErr(e) + } + return +} + +func setTimespec(sec, nsec int64) Timespec { + return Timespec{Sec: int32(sec), Nsec: int32(nsec)} +} + +func setTimeval(sec, usec int64) Timeval { + return Timeval{Sec: int32(sec), Usec: int32(usec)} +} + +//sys mmap2(addr uintptr, length uintptr, prot int, flags int, fd int, pageOffset uintptr) (xaddr uintptr, err error) + +func mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error) { + page := uintptr(offset / 4096) + if offset != int64(page)*4096 { + return 0, EINVAL + } + return mmap2(addr, length, prot, flags, fd, page) +} + +const rlimInf32 = ^uint32(0) +const rlimInf64 = ^uint64(0) + +type rlimit32 struct { + Cur uint32 + Max uint32 +} + +//sysnb getrlimit(resource int, rlim *rlimit32) (err error) = SYS_GETRLIMIT + +func Getrlimit(resource int, rlim *Rlimit) (err error) { + err = prlimit(0, resource, nil, rlim) + if err != ENOSYS { + return err + } + + rl := rlimit32{} + err = getrlimit(resource, &rl) + if err != nil { + return + } + + if rl.Cur == rlimInf32 { + rlim.Cur = rlimInf64 + } else { + rlim.Cur = uint64(rl.Cur) + } + + if rl.Max == rlimInf32 { + rlim.Max = rlimInf64 + } else { + rlim.Max = uint64(rl.Max) + } + return +} + +//sysnb setrlimit1(resource int, rlim *rlimit32) (err error) = SYS_SETRLIMIT + +func setrlimit(resource int, rlim *Rlimit) (err error) { + err = prlimit(0, resource, rlim, nil) + if err != ENOSYS { + return err + } + + rl := rlimit32{} + if rlim.Cur == rlimInf64 { + rl.Cur = rlimInf32 + } else if rlim.Cur < uint64(rlimInf32) { + rl.Cur = uint32(rlim.Cur) + } else { + return EINVAL + } + if rlim.Max == rlimInf64 { + rl.Max = rlimInf32 + } else if rlim.Max < uint64(rlimInf32) { + rl.Max = uint32(rlim.Max) + } else { + return EINVAL + } + + return setrlimit1(resource, &rl) +} + +//go:nosplit +func rawSetrlimit(resource int, rlim *Rlimit) Errno { + _, _, errno := RawSyscall6(SYS_PRLIMIT64, 0, uintptr(resource), uintptr(unsafe.Pointer(rlim)), 0, 0, 0) + if errno != ENOSYS { + return errno + } + + rl := rlimit32{} + if rlim.Cur == rlimInf64 { + rl.Cur = rlimInf32 + } else if rlim.Cur < uint64(rlimInf32) { + rl.Cur = uint32(rlim.Cur) + } else { + return EINVAL + } + if rlim.Max == rlimInf64 { + rl.Max = rlimInf32 + } else if rlim.Max < uint64(rlimInf32) { + rl.Max = uint32(rlim.Max) + } else { + return EINVAL + } + + _, _, errno = RawSyscall(SYS_SETRLIMIT, uintptr(resource), uintptr(unsafe.Pointer(rlim)), 0) + return errno +} + +func (r *PtraceRegs) PC() uint64 { return uint64(r.Regs[64]) } + +func (r *PtraceRegs) SetPC(pc uint64) { r.Regs[64] = uint32(pc) } + +func (iov *Iovec) SetLen(length int) { + iov.Len = uint32(length) +} + +func (msghdr *Msghdr) SetControllen(length int) { + msghdr.Controllen = uint32(length) +} + +func (cmsg *Cmsghdr) SetLen(length int) { + cmsg.Len = uint32(length) +} |