syscall_linux_amd64.go raw
1 // Copyright 2009 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 amd64 && linux
6
7 package unix
8
9 //sys EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error)
10 //sys Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_FADVISE64
11 //sys Fchown(fd int, uid int, gid int) (err error)
12 //sys Fstat(fd int, stat *Stat_t) (err error)
13 //sys Fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) = SYS_NEWFSTATAT
14 //sys Fstatfs(fd int, buf *Statfs_t) (err error)
15 //sys Ftruncate(fd int, length int64) (err error)
16 //sysnb Getegid() (egid int)
17 //sysnb Geteuid() (euid int)
18 //sysnb Getgid() (gid int)
19 //sysnb Getrlimit(resource int, rlim *Rlimit) (err error)
20 //sysnb Getuid() (uid int)
21 //sys Ioperm(from int, num int, on int) (err error)
22 //sys Iopl(level int) (err error)
23 //sys Lchown(path string, uid int, gid int) (err error)
24 //sys Listen(s int, n int) (err error)
25
26 func Lstat(path string, stat *Stat_t) (err error) {
27 return Fstatat(AT_FDCWD, path, stat, AT_SYMLINK_NOFOLLOW)
28 }
29
30 //sys MemfdSecret(flags int) (fd int, err error)
31 //sys Pause() (err error)
32 //sys pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
33 //sys pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
34 //sys Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error)
35 //sys Seek(fd int, offset int64, whence int) (off int64, err error) = SYS_LSEEK
36
37 func Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) {
38 var ts *Timespec
39 if timeout != nil {
40 ts = &Timespec{Sec: timeout.Sec, Nsec: timeout.Usec * 1000}
41 }
42 return pselect6(nfd, r, w, e, ts, nil)
43 }
44
45 //sys sendfile(outfd int, infd int, offset *int64, count int) (written int, err error)
46 //sys setfsgid(gid int) (prev int, err error)
47 //sys setfsuid(uid int) (prev int, err error)
48 //sys Shutdown(fd int, how int) (err error)
49 //sys Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error)
50
51 func Stat(path string, stat *Stat_t) (err error) {
52 // Use fstatat, because Android's seccomp policy blocks stat.
53 return Fstatat(AT_FDCWD, path, stat, 0)
54 }
55
56 //sys Statfs(path string, buf *Statfs_t) (err error)
57 //sys SyncFileRange(fd int, off int64, n int64, flags int) (err error)
58 //sys Truncate(path string, length int64) (err error)
59 //sys Ustat(dev int, ubuf *Ustat_t) (err error)
60 //sys accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error)
61 //sys bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
62 //sys connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
63 //sysnb getgroups(n int, list *_Gid_t) (nn int, err error)
64 //sysnb setgroups(n int, list *_Gid_t) (err error)
65 //sys getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error)
66 //sys setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error)
67 //sysnb socket(domain int, typ int, proto int) (fd int, err error)
68 //sysnb socketpair(domain int, typ int, proto int, fd *[2]int32) (err error)
69 //sysnb getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error)
70 //sysnb getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error)
71 //sys recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error)
72 //sys sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error)
73 //sys recvmsg(s int, msg *Msghdr, flags int) (n int, err error)
74 //sys sendmsg(s int, msg *Msghdr, flags int) (n int, err error)
75 //sys mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error)
76
77 //sys futimesat(dirfd int, path string, times *[2]Timeval) (err error)
78
79 func Gettimeofday(tv *Timeval) (err error) {
80 errno := gettimeofday(tv)
81 if errno != 0 {
82 return errno
83 }
84 return nil
85 }
86
87 func Time(t *Time_t) (tt Time_t, err error) {
88 var tv Timeval
89 errno := gettimeofday(&tv)
90 if errno != 0 {
91 return 0, errno
92 }
93 if t != nil {
94 *t = Time_t(tv.Sec)
95 }
96 return Time_t(tv.Sec), nil
97 }
98
99 //sys Utime(path string, buf *Utimbuf) (err error)
100 //sys utimes(path string, times *[2]Timeval) (err error)
101
102 func setTimespec(sec, nsec int64) Timespec {
103 return Timespec{Sec: sec, Nsec: nsec}
104 }
105
106 func setTimeval(sec, usec int64) Timeval {
107 return Timeval{Sec: sec, Usec: usec}
108 }
109
110 func (r *PtraceRegs) PC() uint64 { return r.Rip }
111
112 func (r *PtraceRegs) SetPC(pc uint64) { r.Rip = pc }
113
114 func (iov *Iovec) SetLen(length int) {
115 iov.Len = uint64(length)
116 }
117
118 func (msghdr *Msghdr) SetControllen(length int) {
119 msghdr.Controllen = uint64(length)
120 }
121
122 func (msghdr *Msghdr) SetIovlen(length int) {
123 msghdr.Iovlen = uint64(length)
124 }
125
126 func (cmsg *Cmsghdr) SetLen(length int) {
127 cmsg.Len = uint64(length)
128 }
129
130 func (rsa *RawSockaddrNFCLLCP) SetServiceNameLen(length int) {
131 rsa.Service_name_len = uint64(length)
132 }
133
134 //sys kexecFileLoad(kernelFd int, initrdFd int, cmdlineLen int, cmdline string, flags int) (err error)
135
136 func KexecFileLoad(kernelFd int, initrdFd int, cmdline string, flags int) error {
137 cmdlineLen := len(cmdline)
138 if cmdlineLen > 0 {
139 // Account for the additional NULL byte added by
140 // BytePtrFromString in kexecFileLoad. The kexec_file_load
141 // syscall expects a NULL-terminated string.
142 cmdlineLen++
143 }
144 return kexecFileLoad(kernelFd, initrdFd, cmdlineLen, cmdline, flags)
145 }
146