diff options
Diffstat (limited to 'vendor/golang.org/x/sys/unix/syscall_linux_arm.go')
-rw-r--r-- | vendor/golang.org/x/sys/unix/syscall_linux_arm.go | 259 |
1 files changed, 259 insertions, 0 deletions
diff --git a/vendor/golang.org/x/sys/unix/syscall_linux_arm.go b/vendor/golang.org/x/sys/unix/syscall_linux_arm.go new file mode 100644 index 0000000..3ec7a93 --- /dev/null +++ b/vendor/golang.org/x/sys/unix/syscall_linux_arm.go | |||
@@ -0,0 +1,259 @@ | |||
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 | // +build arm,linux | ||
6 | |||
7 | package unix | ||
8 | |||
9 | import ( | ||
10 | "syscall" | ||
11 | "unsafe" | ||
12 | ) | ||
13 | |||
14 | func setTimespec(sec, nsec int64) Timespec { | ||
15 | return Timespec{Sec: int32(sec), Nsec: int32(nsec)} | ||
16 | } | ||
17 | |||
18 | func setTimeval(sec, usec int64) Timeval { | ||
19 | return Timeval{Sec: int32(sec), Usec: int32(usec)} | ||
20 | } | ||
21 | |||
22 | func Pipe(p []int) (err error) { | ||
23 | if len(p) != 2 { | ||
24 | return EINVAL | ||
25 | } | ||
26 | var pp [2]_C_int | ||
27 | err = pipe2(&pp, 0) | ||
28 | p[0] = int(pp[0]) | ||
29 | p[1] = int(pp[1]) | ||
30 | return | ||
31 | } | ||
32 | |||
33 | //sysnb pipe2(p *[2]_C_int, flags int) (err error) | ||
34 | |||
35 | func Pipe2(p []int, flags int) (err error) { | ||
36 | if len(p) != 2 { | ||
37 | return EINVAL | ||
38 | } | ||
39 | var pp [2]_C_int | ||
40 | err = pipe2(&pp, flags) | ||
41 | p[0] = int(pp[0]) | ||
42 | p[1] = int(pp[1]) | ||
43 | return | ||
44 | } | ||
45 | |||
46 | // Underlying system call writes to newoffset via pointer. | ||
47 | // Implemented in assembly to avoid allocation. | ||
48 | func seek(fd int, offset int64, whence int) (newoffset int64, err syscall.Errno) | ||
49 | |||
50 | func Seek(fd int, offset int64, whence int) (newoffset int64, err error) { | ||
51 | newoffset, errno := seek(fd, offset, whence) | ||
52 | if errno != 0 { | ||
53 | return 0, errno | ||
54 | } | ||
55 | return newoffset, nil | ||
56 | } | ||
57 | |||
58 | //sys accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error) | ||
59 | //sys accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error) | ||
60 | //sys bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) | ||
61 | //sys connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) | ||
62 | //sysnb getgroups(n int, list *_Gid_t) (nn int, err error) = SYS_GETGROUPS32 | ||
63 | //sysnb setgroups(n int, list *_Gid_t) (err error) = SYS_SETGROUPS32 | ||
64 | //sys getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error) | ||
65 | //sys setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error) | ||
66 | //sysnb socket(domain int, typ int, proto int) (fd int, err error) | ||
67 | //sysnb getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) | ||
68 | //sysnb getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) | ||
69 | //sys recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error) | ||
70 | //sys sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error) | ||
71 | //sysnb socketpair(domain int, typ int, flags int, fd *[2]int32) (err error) | ||
72 | //sys recvmsg(s int, msg *Msghdr, flags int) (n int, err error) | ||
73 | //sys sendmsg(s int, msg *Msghdr, flags int) (n int, err error) | ||
74 | |||
75 | // 64-bit file system and 32-bit uid calls | ||
76 | // (16-bit uid calls are not always supported in newer kernels) | ||
77 | //sys Dup2(oldfd int, newfd int) (err error) | ||
78 | //sysnb EpollCreate(size int) (fd int, err error) | ||
79 | //sys EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error) | ||
80 | //sys Fchown(fd int, uid int, gid int) (err error) = SYS_FCHOWN32 | ||
81 | //sys Fstat(fd int, stat *Stat_t) (err error) = SYS_FSTAT64 | ||
82 | //sys Fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) = SYS_FSTATAT64 | ||
83 | //sysnb Getegid() (egid int) = SYS_GETEGID32 | ||
84 | //sysnb Geteuid() (euid int) = SYS_GETEUID32 | ||
85 | //sysnb Getgid() (gid int) = SYS_GETGID32 | ||
86 | //sysnb Getuid() (uid int) = SYS_GETUID32 | ||
87 | //sysnb InotifyInit() (fd int, err error) | ||
88 | //sys Lchown(path string, uid int, gid int) (err error) = SYS_LCHOWN32 | ||
89 | //sys Listen(s int, n int) (err error) | ||
90 | //sys Lstat(path string, stat *Stat_t) (err error) = SYS_LSTAT64 | ||
91 | //sys Pause() (err error) | ||
92 | //sys sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) = SYS_SENDFILE64 | ||
93 | //sys Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) = SYS__NEWSELECT | ||
94 | //sys Setfsgid(gid int) (err error) = SYS_SETFSGID32 | ||
95 | //sys Setfsuid(uid int) (err error) = SYS_SETFSUID32 | ||
96 | //sysnb Setregid(rgid int, egid int) (err error) = SYS_SETREGID32 | ||
97 | //sysnb Setresgid(rgid int, egid int, sgid int) (err error) = SYS_SETRESGID32 | ||
98 | //sysnb Setresuid(ruid int, euid int, suid int) (err error) = SYS_SETRESUID32 | ||
99 | //sysnb Setreuid(ruid int, euid int) (err error) = SYS_SETREUID32 | ||
100 | //sys Shutdown(fd int, how int) (err error) | ||
101 | //sys Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int, err error) | ||
102 | //sys Stat(path string, stat *Stat_t) (err error) = SYS_STAT64 | ||
103 | //sys Ustat(dev int, ubuf *Ustat_t) (err error) | ||
104 | |||
105 | //sys futimesat(dirfd int, path string, times *[2]Timeval) (err error) | ||
106 | //sysnb Gettimeofday(tv *Timeval) (err error) | ||
107 | |||
108 | func Time(t *Time_t) (Time_t, error) { | ||
109 | var tv Timeval | ||
110 | err := Gettimeofday(&tv) | ||
111 | if err != nil { | ||
112 | return 0, err | ||
113 | } | ||
114 | if t != nil { | ||
115 | *t = Time_t(tv.Sec) | ||
116 | } | ||
117 | return Time_t(tv.Sec), nil | ||
118 | } | ||
119 | |||
120 | func Utime(path string, buf *Utimbuf) error { | ||
121 | tv := []Timeval{ | ||
122 | {Sec: buf.Actime}, | ||
123 | {Sec: buf.Modtime}, | ||
124 | } | ||
125 | return Utimes(path, tv) | ||
126 | } | ||
127 | |||
128 | //sys utimes(path string, times *[2]Timeval) (err error) | ||
129 | |||
130 | //sys Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64 | ||
131 | //sys Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64 | ||
132 | //sys Truncate(path string, length int64) (err error) = SYS_TRUNCATE64 | ||
133 | //sys Ftruncate(fd int, length int64) (err error) = SYS_FTRUNCATE64 | ||
134 | |||
135 | func Fadvise(fd int, offset int64, length int64, advice int) (err error) { | ||
136 | _, _, e1 := Syscall6(SYS_ARM_FADVISE64_64, uintptr(fd), uintptr(advice), uintptr(offset), uintptr(offset>>32), uintptr(length), uintptr(length>>32)) | ||
137 | if e1 != 0 { | ||
138 | err = errnoErr(e1) | ||
139 | } | ||
140 | return | ||
141 | } | ||
142 | |||
143 | //sys mmap2(addr uintptr, length uintptr, prot int, flags int, fd int, pageOffset uintptr) (xaddr uintptr, err error) | ||
144 | |||
145 | func Fstatfs(fd int, buf *Statfs_t) (err error) { | ||
146 | _, _, e := Syscall(SYS_FSTATFS64, uintptr(fd), unsafe.Sizeof(*buf), uintptr(unsafe.Pointer(buf))) | ||
147 | if e != 0 { | ||
148 | err = e | ||
149 | } | ||
150 | return | ||
151 | } | ||
152 | |||
153 | func Statfs(path string, buf *Statfs_t) (err error) { | ||
154 | pathp, err := BytePtrFromString(path) | ||
155 | if err != nil { | ||
156 | return err | ||
157 | } | ||
158 | _, _, e := Syscall(SYS_STATFS64, uintptr(unsafe.Pointer(pathp)), unsafe.Sizeof(*buf), uintptr(unsafe.Pointer(buf))) | ||
159 | if e != 0 { | ||
160 | err = e | ||
161 | } | ||
162 | return | ||
163 | } | ||
164 | |||
165 | func mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error) { | ||
166 | page := uintptr(offset / 4096) | ||
167 | if offset != int64(page)*4096 { | ||
168 | return 0, EINVAL | ||
169 | } | ||
170 | return mmap2(addr, length, prot, flags, fd, page) | ||
171 | } | ||
172 | |||
173 | type rlimit32 struct { | ||
174 | Cur uint32 | ||
175 | Max uint32 | ||
176 | } | ||
177 | |||
178 | //sysnb getrlimit(resource int, rlim *rlimit32) (err error) = SYS_UGETRLIMIT | ||
179 | |||
180 | const rlimInf32 = ^uint32(0) | ||
181 | const rlimInf64 = ^uint64(0) | ||
182 | |||
183 | func Getrlimit(resource int, rlim *Rlimit) (err error) { | ||
184 | err = prlimit(0, resource, nil, rlim) | ||
185 | if err != ENOSYS { | ||
186 | return err | ||
187 | } | ||
188 | |||
189 | rl := rlimit32{} | ||
190 | err = getrlimit(resource, &rl) | ||
191 | if err != nil { | ||
192 | return | ||
193 | } | ||
194 | |||
195 | if rl.Cur == rlimInf32 { | ||
196 | rlim.Cur = rlimInf64 | ||
197 | } else { | ||
198 | rlim.Cur = uint64(rl.Cur) | ||
199 | } | ||
200 | |||
201 | if rl.Max == rlimInf32 { | ||
202 | rlim.Max = rlimInf64 | ||
203 | } else { | ||
204 | rlim.Max = uint64(rl.Max) | ||
205 | } | ||
206 | return | ||
207 | } | ||
208 | |||
209 | //sysnb setrlimit(resource int, rlim *rlimit32) (err error) = SYS_SETRLIMIT | ||
210 | |||
211 | func Setrlimit(resource int, rlim *Rlimit) (err error) { | ||
212 | err = prlimit(0, resource, rlim, nil) | ||
213 | if err != ENOSYS { | ||
214 | return err | ||
215 | } | ||
216 | |||
217 | rl := rlimit32{} | ||
218 | if rlim.Cur == rlimInf64 { | ||
219 | rl.Cur = rlimInf32 | ||
220 | } else if rlim.Cur < uint64(rlimInf32) { | ||
221 | rl.Cur = uint32(rlim.Cur) | ||
222 | } else { | ||
223 | return EINVAL | ||
224 | } | ||
225 | if rlim.Max == rlimInf64 { | ||
226 | rl.Max = rlimInf32 | ||
227 | } else if rlim.Max < uint64(rlimInf32) { | ||
228 | rl.Max = uint32(rlim.Max) | ||
229 | } else { | ||
230 | return EINVAL | ||
231 | } | ||
232 | |||
233 | return setrlimit(resource, &rl) | ||
234 | } | ||
235 | |||
236 | func (r *PtraceRegs) PC() uint64 { return uint64(r.Uregs[15]) } | ||
237 | |||
238 | func (r *PtraceRegs) SetPC(pc uint64) { r.Uregs[15] = uint32(pc) } | ||
239 | |||
240 | func (iov *Iovec) SetLen(length int) { | ||
241 | iov.Len = uint32(length) | ||
242 | } | ||
243 | |||
244 | func (msghdr *Msghdr) SetControllen(length int) { | ||
245 | msghdr.Controllen = uint32(length) | ||
246 | } | ||
247 | |||
248 | func (cmsg *Cmsghdr) SetLen(length int) { | ||
249 | cmsg.Len = uint32(length) | ||
250 | } | ||
251 | |||
252 | //sys poll(fds *PollFd, nfds int, timeout int) (n int, err error) | ||
253 | |||
254 | func Poll(fds []PollFd, timeout int) (n int, err error) { | ||
255 | if len(fds) == 0 { | ||
256 | return poll(nil, 0, timeout) | ||
257 | } | ||
258 | return poll(&fds[0], len(fds), timeout) | ||
259 | } | ||