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gotosocial/vendor/modernc.org/libc/libc_linux_s390x.go

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// Copyright 2021 The Libc Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package libc // import "modernc.org/libc"
import (
"os"
"strings"
gotime "time"
"unsafe"
"golang.org/x/sys/unix"
"modernc.org/libc/errno"
"modernc.org/libc/fcntl"
"modernc.org/libc/signal"
"modernc.org/libc/stdio"
"modernc.org/libc/sys/types"
"modernc.org/libc/time"
)
var (
startTime = gotime.Now() // For clock(3)
)
// int sigaction(int signum, const struct sigaction *act, struct sigaction *oldact);
func Xsigaction(t *TLS, signum int32, act, oldact uintptr) int32 {
if __ccgo_strace {
trc("t=%v signum=%v oldact=%v, (%v:)", t, signum, oldact, origin(2))
}
// musl/src/internal/ksigaction.h
// struct k_sigaction {
// void (*handler)(int);
// unsigned long flags;
// void (*restorer)(void);
// unsigned mask[2];
// };
type k_sigaction struct {
handler uintptr
flags ulong
restorer uintptr
mask [2]uint32
}
var kact, koldact uintptr
if act != 0 {
sz := int(unsafe.Sizeof(k_sigaction{}))
kact = t.Alloc(sz)
defer t.Free(sz)
*(*k_sigaction)(unsafe.Pointer(kact)) = k_sigaction{
handler: (*signal.Sigaction)(unsafe.Pointer(act)).F__sigaction_handler.Fsa_handler,
flags: ulong((*signal.Sigaction)(unsafe.Pointer(act)).Fsa_flags),
restorer: (*signal.Sigaction)(unsafe.Pointer(act)).Fsa_restorer,
}
Xmemcpy(t, kact+unsafe.Offsetof(k_sigaction{}.mask), act+unsafe.Offsetof(signal.Sigaction{}.Fsa_mask), types.Size_t(unsafe.Sizeof(k_sigaction{}.mask)))
}
if oldact != 0 {
panic(todo(""))
}
if _, _, err := unix.Syscall6(unix.SYS_RT_SIGACTION, uintptr(signum), kact, koldact, unsafe.Sizeof(k_sigaction{}.mask), 0, 0); err != 0 {
t.setErrno(err)
return -1
}
if oldact != 0 {
panic(todo(""))
}
return 0
}
// int fcntl(int fd, int cmd, ... /* arg */ );
func Xfcntl64(t *TLS, fd, cmd int32, args uintptr) int32 {
if __ccgo_strace {
trc("t=%v cmd=%v args=%v, (%v:)", t, cmd, args, origin(2))
}
var arg uintptr
if args != 0 {
arg = *(*uintptr)(unsafe.Pointer(args))
}
if cmd == fcntl.F_SETFL {
arg |= unix.O_LARGEFILE
}
n, _, err := unix.Syscall(unix.SYS_FCNTL, uintptr(fd), uintptr(cmd), arg)
if err != 0 {
// if dmesgs {
// dmesg("%v: fd %v cmd %v", origin(1), fcntlCmdStr(fd), cmd)
// }
t.setErrno(err)
return -1
}
// if dmesgs {
// dmesg("%v: %d %s %#x: %d", origin(1), fd, fcntlCmdStr(cmd), arg, n)
// }
return int32(n)
}
// int lstat(const char *pathname, struct stat *statbuf);
func Xlstat64(t *TLS, pathname, statbuf uintptr) int32 {
if __ccgo_strace {
trc("t=%v statbuf=%v, (%v:)", t, statbuf, origin(2))
}
if _, _, err := unix.Syscall(unix.SYS_LSTAT, pathname, statbuf, 0); err != 0 {
// if dmesgs {
// dmesg("%v: %q: %v", origin(1), GoString(pathname), err)
// }
t.setErrno(err)
return -1
}
// if dmesgs {
// dmesg("%v: %q: ok", origin(1), GoString(pathname))
// }
return 0
}
// int stat(const char *pathname, struct stat *statbuf);
func Xstat64(t *TLS, pathname, statbuf uintptr) int32 {
if __ccgo_strace {
trc("t=%v statbuf=%v, (%v:)", t, statbuf, origin(2))
}
if _, _, err := unix.Syscall(unix.SYS_STAT, pathname, statbuf, 0); err != 0 {
// if dmesgs {
// dmesg("%v: %q: %v", origin(1), GoString(pathname), err)
// }
t.setErrno(err)
return -1
}
// if dmesgs {
// dmesg("%v: %q: ok", origin(1), GoString(pathname))
// }
return 0
}
// int fstat(int fd, struct stat *statbuf);
func Xfstat64(t *TLS, fd int32, statbuf uintptr) int32 {
if __ccgo_strace {
trc("t=%v fd=%v statbuf=%v, (%v:)", t, fd, statbuf, origin(2))
}
if _, _, err := unix.Syscall(unix.SYS_FSTAT, uintptr(fd), statbuf, 0); err != 0 {
// if dmesgs {
// dmesg("%v: fd %d: %v", origin(1), fd, err)
// }
t.setErrno(err)
return -1
}
// if dmesgs {
// dmesg("%v: %d size %#x: ok\n%+v", origin(1), fd, (*stat.Stat)(unsafe.Pointer(statbuf)).Fst_size, (*stat.Stat)(unsafe.Pointer(statbuf)))
// }
return 0
}
func Xmmap(t *TLS, addr uintptr, length types.Size_t, prot, flags, fd int32, offset types.Off_t) uintptr {
if __ccgo_strace {
trc("t=%v addr=%v length=%v fd=%v offset=%v, (%v:)", t, addr, length, fd, offset, origin(2))
}
return Xmmap64(t, addr, length, prot, flags, fd, offset)
}
// void *mmap(void *addr, size_t length, int prot, int flags, int fd, off_t offset);
func Xmmap64(t *TLS, addr uintptr, length types.Size_t, prot, flags, fd int32, offset types.Off_t) uintptr {
if __ccgo_strace {
trc("t=%v addr=%v length=%v fd=%v offset=%v, (%v:)", t, addr, length, fd, offset, origin(2))
}
// https://github.com/golang/go/blob/7d822af4500831d131562f17dcf53374469d823e/src/syscall/syscall_linux_s390x.go#L77
args := [6]uintptr{addr, uintptr(length), uintptr(prot), uintptr(flags), uintptr(fd), uintptr(offset)}
data, _, err := unix.Syscall(unix.SYS_MMAP, uintptr(unsafe.Pointer(&args[0])), 0, 0)
if err != 0 {
// if dmesgs {
// dmesg("%v: addr %#x, length %#x, prot %#x, flags %#x, fd %v, offset %#x: %v", origin(1), addr, length, prot, flags, fd, offset, err)
// }
t.setErrno(err)
return ^uintptr(0) // (void*)-1
}
// if dmesgs {
// dmesg("%v: addr %#x, length %#x, prot %#x, flags %#x, fd %v, offset %#x: ok", origin(1), addr, length, prot, flags, fd, offset)
// }
return data
}
// void *mremap(void *old_address, size_t old_size, size_t new_size, int flags, ... /* void *new_address */);
func Xmremap(t *TLS, old_address uintptr, old_size, new_size types.Size_t, flags int32, args uintptr) uintptr {
if __ccgo_strace {
trc("t=%v old_address=%v new_size=%v flags=%v args=%v, (%v:)", t, old_address, new_size, flags, args, origin(2))
}
var arg uintptr
if args != 0 {
arg = *(*uintptr)(unsafe.Pointer(args))
}
data, _, err := unix.Syscall6(unix.SYS_MREMAP, old_address, uintptr(old_size), uintptr(new_size), uintptr(flags), arg, 0)
if err != 0 {
// if dmesgs {
// dmesg("%v: %v", origin(1), err)
// }
t.setErrno(err)
return ^uintptr(0) // (void*)-1
}
// if dmesgs {
// dmesg("%v: %#x", origin(1), data)
// }
return data
}
// int ftruncate(int fd, off_t length);
func Xftruncate64(t *TLS, fd int32, length types.Off_t) int32 {
if __ccgo_strace {
trc("t=%v fd=%v length=%v, (%v:)", t, fd, length, origin(2))
}
if _, _, err := unix.Syscall(unix.SYS_FTRUNCATE, uintptr(fd), uintptr(length), 0); err != 0 {
// if dmesgs {
// dmesg("%v: fd %d: %v", origin(1), fd, err)
// }
t.setErrno(err)
return -1
}
// if dmesgs {
// dmesg("%v: %d %#x: ok", origin(1), fd, length)
// }
return 0
}
// off64_t lseek64(int fd, off64_t offset, int whence);
func Xlseek64(t *TLS, fd int32, offset types.Off_t, whence int32) types.Off_t {
if __ccgo_strace {
trc("t=%v fd=%v offset=%v whence=%v, (%v:)", t, fd, offset, whence, origin(2))
}
n, _, err := unix.Syscall(unix.SYS_LSEEK, uintptr(fd), uintptr(offset), uintptr(whence))
if err != 0 {
// if dmesgs {
// dmesg("%v: fd %v, off %#x, whence %v: %v", origin(1), fd, offset, whenceStr(whence), err)
// }
t.setErrno(err)
return -1
}
// if dmesgs {
// dmesg("%v: fd %v, off %#x, whence %v: %#x", origin(1), fd, offset, whenceStr(whence), n)
// }
return types.Off_t(n)
}
// int utime(const char *filename, const struct utimbuf *times);
func Xutime(t *TLS, filename, times uintptr) int32 {
if __ccgo_strace {
trc("t=%v times=%v, (%v:)", t, times, origin(2))
}
if _, _, err := unix.Syscall(unix.SYS_UTIME, filename, times, 0); err != 0 {
t.setErrno(err)
return -1
}
return 0
}
// unsigned int alarm(unsigned int seconds);
func Xalarm(t *TLS, seconds uint32) uint32 {
if __ccgo_strace {
trc("t=%v seconds=%v, (%v:)", t, seconds, origin(2))
}
n, _, err := unix.Syscall(unix.SYS_ALARM, uintptr(seconds), 0, 0)
if err != 0 {
panic(todo(""))
}
return uint32(n)
}
// time_t time(time_t *tloc);
func Xtime(t *TLS, tloc uintptr) types.Time_t {
if __ccgo_strace {
trc("t=%v tloc=%v, (%v:)", t, tloc, origin(2))
}
n, err := unix.Time((*unix.Time_t)(unsafe.Pointer(tloc)))
if err != nil {
t.setErrno(err)
return types.Time_t(-1)
}
return types.Time_t(n)
}
// int getrlimit(int resource, struct rlimit *rlim);
func Xgetrlimit64(t *TLS, resource int32, rlim uintptr) int32 {
if __ccgo_strace {
trc("t=%v resource=%v rlim=%v, (%v:)", t, resource, rlim, origin(2))
}
if _, _, err := unix.Syscall(unix.SYS_GETRLIMIT, uintptr(resource), uintptr(rlim), 0); err != 0 {
t.setErrno(err)
return -1
}
return 0
}
// int mkdir(const char *path, mode_t mode);
func Xmkdir(t *TLS, path uintptr, mode types.Mode_t) int32 {
if __ccgo_strace {
trc("t=%v path=%v mode=%v, (%v:)", t, path, mode, origin(2))
}
if _, _, err := unix.Syscall(unix.SYS_MKDIR, path, uintptr(mode), 0); err != 0 {
t.setErrno(err)
return -1
}
// if dmesgs {
// dmesg("%v: %q: ok", origin(1), GoString(path))
// }
return 0
}
// int symlink(const char *target, const char *linkpath);
func Xsymlink(t *TLS, target, linkpath uintptr) int32 {
if __ccgo_strace {
trc("t=%v linkpath=%v, (%v:)", t, linkpath, origin(2))
}
if _, _, err := unix.Syscall(unix.SYS_SYMLINK, target, linkpath, 0); err != 0 {
t.setErrno(err)
return -1
}
// if dmesgs {
// dmesg("%v: %q %q: ok", origin(1), GoString(target), GoString(linkpath))
// }
return 0
}
// int chmod(const char *pathname, mode_t mode)
func Xchmod(t *TLS, pathname uintptr, mode types.Mode_t) int32 {
if __ccgo_strace {
trc("t=%v pathname=%v mode=%v, (%v:)", t, pathname, mode, origin(2))
}
if _, _, err := unix.Syscall(unix.SYS_CHMOD, pathname, uintptr(mode), 0); err != 0 {
t.setErrno(err)
return -1
}
// if dmesgs {
// dmesg("%v: %q %#o: ok", origin(1), GoString(pathname), mode)
// }
return 0
}
// int utimes(const char *filename, const struct timeval times[2]);
func Xutimes(t *TLS, filename, times uintptr) int32 {
if __ccgo_strace {
trc("t=%v times=%v, (%v:)", t, times, origin(2))
}
if _, _, err := unix.Syscall(unix.SYS_UTIMES, filename, times, 0); err != 0 {
t.setErrno(err)
return -1
}
// if dmesgs {
// dmesg("%v: %q: ok", origin(1), GoString(filename))
// }
return 0
}
// int unlink(const char *pathname);
func Xunlink(t *TLS, pathname uintptr) int32 {
if __ccgo_strace {
trc("t=%v pathname=%v, (%v:)", t, pathname, origin(2))
}
if _, _, err := unix.Syscall(unix.SYS_UNLINK, pathname, 0, 0); err != 0 {
t.setErrno(err)
return -1
}
// if dmesgs {
// dmesg("%v: %q: ok", origin(1), GoString(pathname))
// }
return 0
}
// int access(const char *pathname, int mode);
func Xaccess(t *TLS, pathname uintptr, mode int32) int32 {
if __ccgo_strace {
trc("t=%v pathname=%v mode=%v, (%v:)", t, pathname, mode, origin(2))
}
if _, _, err := unix.Syscall(unix.SYS_ACCESS, pathname, uintptr(mode), 0); err != 0 {
// if dmesgs {
// dmesg("%v: %q: %v", origin(1), GoString(pathname), err)
// }
t.setErrno(err)
return -1
}
// if dmesgs {
// dmesg("%v: %q %#o: ok", origin(1), GoString(pathname), mode)
// }
return 0
}
// int rmdir(const char *pathname);
func Xrmdir(t *TLS, pathname uintptr) int32 {
if __ccgo_strace {
trc("t=%v pathname=%v, (%v:)", t, pathname, origin(2))
}
if _, _, err := unix.Syscall(unix.SYS_RMDIR, pathname, 0, 0); err != 0 {
t.setErrno(err)
return -1
}
// if dmesgs {
// dmesg("%v: %q: ok", origin(1), GoString(pathname))
// }
return 0
}
// int rename(const char *oldpath, const char *newpath);
func Xrename(t *TLS, oldpath, newpath uintptr) int32 {
if __ccgo_strace {
trc("t=%v newpath=%v, (%v:)", t, newpath, origin(2))
}
if _, _, err := unix.Syscall(unix.SYS_RENAME, oldpath, newpath, 0); err != 0 {
t.setErrno(err)
return -1
}
return 0
}
// int mknod(const char *pathname, mode_t mode, dev_t dev);
func Xmknod(t *TLS, pathname uintptr, mode types.Mode_t, dev types.Dev_t) int32 {
if __ccgo_strace {
trc("t=%v pathname=%v mode=%v dev=%v, (%v:)", t, pathname, mode, dev, origin(2))
}
if _, _, err := unix.Syscall(unix.SYS_MKNOD, pathname, uintptr(mode), uintptr(dev)); err != 0 {
t.setErrno(err)
return -1
}
return 0
}
// int chown(const char *pathname, uid_t owner, gid_t group);
func Xchown(t *TLS, pathname uintptr, owner types.Uid_t, group types.Gid_t) int32 {
if __ccgo_strace {
trc("t=%v pathname=%v owner=%v group=%v, (%v:)", t, pathname, owner, group, origin(2))
}
if _, _, err := unix.Syscall(unix.SYS_CHOWN, pathname, uintptr(owner), uintptr(group)); err != 0 {
t.setErrno(err)
return -1
}
return 0
}
// int link(const char *oldpath, const char *newpath);
func Xlink(t *TLS, oldpath, newpath uintptr) int32 {
if __ccgo_strace {
trc("t=%v newpath=%v, (%v:)", t, newpath, origin(2))
}
if _, _, err := unix.Syscall(unix.SYS_LINK, oldpath, newpath, 0); err != 0 {
t.setErrno(err)
return -1
}
return 0
}
// int pipe(int pipefd[2]);
func Xpipe(t *TLS, pipefd uintptr) int32 {
if __ccgo_strace {
trc("t=%v pipefd=%v, (%v:)", t, pipefd, origin(2))
}
if _, _, err := unix.Syscall(unix.SYS_PIPE, pipefd, 0, 0); err != 0 {
t.setErrno(err)
return -1
}
return 0
}
// int dup2(int oldfd, int newfd);
func Xdup2(t *TLS, oldfd, newfd int32) int32 {
if __ccgo_strace {
trc("t=%v newfd=%v, (%v:)", t, newfd, origin(2))
}
n, _, err := unix.Syscall(unix.SYS_DUP2, uintptr(oldfd), uintptr(newfd), 0)
if err != 0 {
t.setErrno(err)
return -1
}
return int32(n)
}
// ssize_t readlink(const char *restrict path, char *restrict buf, size_t bufsize);
func Xreadlink(t *TLS, path, buf uintptr, bufsize types.Size_t) types.Ssize_t {
if __ccgo_strace {
trc("t=%v buf=%v bufsize=%v, (%v:)", t, buf, bufsize, origin(2))
}
n, _, err := unix.Syscall(unix.SYS_READLINK, path, buf, uintptr(bufsize))
if err != 0 {
t.setErrno(err)
return -1
}
return types.Ssize_t(n)
}
// FILE *fopen64(const char *pathname, const char *mode);
func Xfopen64(t *TLS, pathname, mode uintptr) uintptr {
if __ccgo_strace {
trc("t=%v mode=%v, (%v:)", t, mode, origin(2))
}
m := strings.ReplaceAll(GoString(mode), "b", "")
var flags int
switch m {
case "r":
flags = os.O_RDONLY
case "r+":
flags = os.O_RDWR
case "w":
flags = os.O_WRONLY | os.O_CREATE | os.O_TRUNC
case "w+":
flags = os.O_RDWR | os.O_CREATE | os.O_TRUNC
case "a":
flags = os.O_WRONLY | os.O_CREATE | os.O_APPEND
case "a+":
flags = os.O_RDWR | os.O_CREATE | os.O_APPEND
default:
panic(m)
}
//TODO- flags |= fcntl.O_LARGEFILE
fd, _, err := unix.Syscall(unix.SYS_OPEN, pathname, uintptr(flags|unix.O_LARGEFILE), 0666)
if err != 0 {
t.setErrno(err)
return 0
}
if p := newFile(t, int32(fd)); p != 0 {
return p
}
Xclose(t, int32(fd))
t.setErrno(errno.ENOMEM)
return 0
}
// TODO-
func __syscall1(t *TLS, trap, p1 long) long {
return __syscall(unix.Syscall(uintptr(trap), uintptr(p1), 0, 0))
}
func __syscall3(t *TLS, trap, p1, p2, p3 long) long {
return __syscall(unix.Syscall(uintptr(trap), uintptr(p1), uintptr(p2), uintptr(p3)))
}
func __syscall4(t *TLS, trap, p1, p2, p3, p4 long) long {
return __syscall(unix.Syscall6(uintptr(trap), uintptr(p1), uintptr(p2), uintptr(p3), uintptr(p4), 0, 0))
}
// int setrlimit(int resource, const struct rlimit *rlim);
func Xsetrlimit64(t *TLS, resource int32, rlim uintptr) int32 {
if __ccgo_strace {
trc("t=%v resource=%v rlim=%v, (%v:)", t, resource, rlim, origin(2))
}
if _, _, err := unix.Syscall(unix.SYS_SETRLIMIT, uintptr(resource), uintptr(rlim), 0); err != 0 {
t.setErrno(err)
return -1
}
return 0
}
func AtomicLoadNUint8(ptr uintptr, memorder int32) uint8 {
return byte(a_load_8(ptr))
}
var _table1 = [384]int32{
129: int32(1),
130: int32(2),
131: int32(3),
132: int32(4),
133: int32(5),
134: int32(6),
135: int32(7),
136: int32(8),
137: int32(9),
138: int32(10),
139: int32(11),
140: int32(12),
141: int32(13),
142: int32(14),
143: int32(15),
144: int32(16),
145: int32(17),
146: int32(18),
147: int32(19),
148: int32(20),
149: int32(21),
150: int32(22),
151: int32(23),
152: int32(24),
153: int32(25),
154: int32(26),
155: int32(27),
156: int32(28),
157: int32(29),
158: int32(30),
159: int32(31),
160: int32(32),
161: int32(33),
162: int32(34),
163: int32(35),
164: int32(36),
165: int32(37),
166: int32(38),
167: int32(39),
168: int32(40),
169: int32(41),
170: int32(42),
171: int32(43),
172: int32(44),
173: int32(45),
174: int32(46),
175: int32(47),
176: int32(48),
177: int32(49),
178: int32(50),
179: int32(51),
180: int32(52),
181: int32(53),
182: int32(54),
183: int32(55),
184: int32(56),
185: int32(57),
186: int32(58),
187: int32(59),
188: int32(60),
189: int32(61),
190: int32(62),
191: int32(63),
192: int32(64),
193: int32('a'),
194: int32('b'),
195: int32('c'),
196: int32('d'),
197: int32('e'),
198: int32('f'),
199: int32('g'),
200: int32('h'),
201: int32('i'),
202: int32('j'),
203: int32('k'),
204: int32('l'),
205: int32('m'),
206: int32('n'),
207: int32('o'),
208: int32('p'),
209: int32('q'),
210: int32('r'),
211: int32('s'),
212: int32('t'),
213: int32('u'),
214: int32('v'),
215: int32('w'),
216: int32('x'),
217: int32('y'),
218: int32('z'),
219: int32(91),
220: int32(92),
221: int32(93),
222: int32(94),
223: int32(95),
224: int32(96),
225: int32('a'),
226: int32('b'),
227: int32('c'),
228: int32('d'),
229: int32('e'),
230: int32('f'),
231: int32('g'),
232: int32('h'),
233: int32('i'),
234: int32('j'),
235: int32('k'),
236: int32('l'),
237: int32('m'),
238: int32('n'),
239: int32('o'),
240: int32('p'),
241: int32('q'),
242: int32('r'),
243: int32('s'),
244: int32('t'),
245: int32('u'),
246: int32('v'),
247: int32('w'),
248: int32('x'),
249: int32('y'),
250: int32('z'),
251: int32(123),
252: int32(124),
253: int32(125),
254: int32(126),
255: int32(127),
}
var _ptable1 = uintptr(unsafe.Pointer(&_table1)) + uintptr(128)*4
func X__ctype_tolower_loc(tls *TLS) (r uintptr) {
if __ccgo_strace {
trc("tls=%v, (%v:)", tls, origin(2))
defer func() { trc("-> %v", r) }()
}
return uintptr(unsafe.Pointer(&_ptable1))
}
type Tin6_addr = struct {
F__in6_union struct {
F__s6_addr16 [0][8]uint16
F__s6_addr32 [0][4]uint32
F__s6_addr [16]uint8
}
}
var Xin6addr_any = Tin6_addr{}
func Xrewinddir(tls *TLS, f uintptr) {
if __ccgo_strace {
trc("tls=%v f=%v, (%v:)", tls, f, origin(2))
}
Xfseek(tls, f, 0, stdio.SEEK_SET)
}
// clock_t clock(void);
func Xclock(t *TLS) time.Clock_t {
if __ccgo_strace {
trc("t=%v, (%v:)", t, origin(2))
}
return time.Clock_t(gotime.Since(startTime) * gotime.Duration(time.CLOCKS_PER_SEC) / gotime.Second)
}
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