diff options
Diffstat (limited to 'vendor/modernc.org/libc/libc_darwin_arm64.go')
| -rw-r--r-- | vendor/modernc.org/libc/libc_darwin_arm64.go | 450 |
1 files changed, 450 insertions, 0 deletions
diff --git a/vendor/modernc.org/libc/libc_darwin_arm64.go b/vendor/modernc.org/libc/libc_darwin_arm64.go new file mode 100644 index 00000000..3864d311 --- /dev/null +++ b/vendor/modernc.org/libc/libc_darwin_arm64.go @@ -0,0 +1,450 @@ +// Copyright 2020 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 ( + "strings" + "time" + "unsafe" + + "golang.org/x/sys/unix" + "modernc.org/libc/fcntl" + "modernc.org/libc/signal" + "modernc.org/libc/sys/types" + "modernc.org/libc/utime" +) + +// int sigaction(int signum, const struct sigaction *act, struct sigaction *oldact); +func Xsigaction(t *TLS, signum int32, act, oldact uintptr) int32 { + var kact, koldact uintptr + if act != 0 { + sz := int(unsafe.Sizeof(signal.X__sigaction{})) + kact = t.Alloc(sz) + defer t.Free(sz) + (*signal.X__sigaction)(unsafe.Pointer(kact)).F__sigaction_u.F__sa_handler = (*signal.Sigaction)(unsafe.Pointer(act)).F__sigaction_u.F__sa_handler + (*signal.X__sigaction)(unsafe.Pointer(kact)).Fsa_flags = (*signal.Sigaction)(unsafe.Pointer(act)).Fsa_flags + Xmemcpy(t, kact+unsafe.Offsetof(signal.X__sigaction{}.Fsa_mask), act+unsafe.Offsetof(signal.Sigaction{}.Fsa_mask), types.Size_t(unsafe.Sizeof(signal.Sigset_t(0)))) + } + if oldact != 0 { + panic(todo("")) + } + + if _, _, err := unix.Syscall6(unix.SYS_SIGACTION, uintptr(signum), kact, koldact, unsafe.Sizeof(signal.Sigset_t(0)), 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) (r int32) { + var err error + var p uintptr + var i int + switch cmd { + case fcntl.F_GETLK, fcntl.F_SETLK, fcntl.F_SETLKW: + p = *(*uintptr)(unsafe.Pointer(args)) + err = unix.FcntlFlock(uintptr(fd), int(cmd), (*unix.Flock_t)(unsafe.Pointer(p))) + case fcntl.F_GETFL, fcntl.F_FULLFSYNC: + i, err = unix.FcntlInt(uintptr(fd), int(cmd), 0) + r = int32(i) + case fcntl.F_SETFD, fcntl.F_SETFL: + arg := *(*int32)(unsafe.Pointer(args)) + _, err = unix.FcntlInt(uintptr(fd), int(cmd), int(arg)) + default: + panic(todo("%v: %v %v", origin(1), fd, cmd)) + } + if err != nil { + if dmesgs { + dmesg("%v: fd %v cmd %v p %#x: %v FAIL", origin(1), fcntlCmdStr(fd), cmd, p, err) + } + t.setErrno(err) + return -1 + } + + if dmesgs { + dmesg("%v: %d %s %#x: ok", origin(1), fd, fcntlCmdStr(cmd), p) + } + return r +} + +// int lstat(const char *pathname, struct stat *statbuf); +func Xlstat64(t *TLS, pathname, statbuf uintptr) int32 { + if err := unix.Lstat(GoString(pathname), (*unix.Stat_t)(unsafe.Pointer(statbuf))); err != nil { + if dmesgs { + dmesg("%v: %q: %v FAIL", 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 err := unix.Stat(GoString(pathname), (*unix.Stat_t)(unsafe.Pointer(statbuf))); err != nil { + if dmesgs { + dmesg("%v: %q: %v FAIL", origin(1), GoString(pathname), err) + } + t.setErrno(err) + return -1 + } + + if dmesgs { + dmesg("%v: %q: ok", origin(1), GoString(pathname)) + } + return 0 +} + +// int fstatfs(int fd, struct statfs *buf); +func Xfstatfs(t *TLS, fd int32, buf uintptr) int32 { + if err := unix.Fstatfs(int(fd), (*unix.Statfs_t)(unsafe.Pointer(buf))); err != nil { + if dmesgs { + dmesg("%v: %v: %v FAIL", origin(1), fd, err) + } + t.setErrno(err) + return -1 + } + + if dmesgs { + dmesg("%v: %v: ok", origin(1), fd) + } + return 0 +} + +// int statfs(const char *path, struct statfs *buf); +func Xstatfs(t *TLS, path uintptr, buf uintptr) int32 { + if err := unix.Statfs(GoString(path), (*unix.Statfs_t)(unsafe.Pointer(buf))); err != nil { + if dmesgs { + dmesg("%v: %q: %v FAIL", origin(1), GoString(path), err) + } + t.setErrno(err) + return -1 + } + + if dmesgs { + dmesg("%v: %q: ok", origin(1), GoString(path)) + } + return 0 +} + +// int fstat(int fd, struct stat *statbuf); +func Xfstat64(t *TLS, fd int32, statbuf uintptr) int32 { + if err := unix.Fstat(int(fd), (*unix.Stat_t)(unsafe.Pointer(statbuf))); err != nil { + if dmesgs { + dmesg("%v: fd %d: %v FAIL", origin(1), fd, err) + } + t.setErrno(err) + return -1 + } + + if dmesgs { + dmesg("%v: fd %d: ok", origin(1), fd) + } + 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 { + n, err := unix.Seek(int(fd), int64(offset), int(whence)) + if err != nil { + if dmesgs { + dmesg("%v: %v FAIL", origin(1), err) + } + t.setErrno(err) + return -1 + } + + if dmesgs { + dmesg("%v: ok", origin(1)) + } + return types.Off_t(n) +} + +// int utime(const char *filename, const struct utimbuf *times); +func Xutime(t *TLS, filename, times uintptr) int32 { + var a []unix.Timeval + if times != 0 { + a = make([]unix.Timeval, 2) + a[0].Sec = (*utime.Utimbuf)(unsafe.Pointer(times)).Factime + a[1].Sec = (*utime.Utimbuf)(unsafe.Pointer(times)).Fmodtime + } + if err := unix.Utimes(GoString(filename), a); err != nil { + if dmesgs { + dmesg("%v: %v FAIL", origin(1), err) + } + t.setErrno(err) + return -1 + } + + if dmesgs { + dmesg("%v: ok", origin(1)) + } + return 0 +} + +// unsigned int alarm(unsigned int seconds); +func Xalarm(t *TLS, seconds uint32) uint32 { + panic(todo("")) + // 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 { + n := time.Now().UTC().Unix() + if tloc != 0 { + *(*types.Time_t)(unsafe.Pointer(tloc)) = types.Time_t(n) + } + return types.Time_t(n) +} + +// // int getrlimit(int resource, struct rlimit *rlim); +// func Xgetrlimit64(t *TLS, resource int32, rlim uintptr) int32 { +// 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 err := unix.Mkdir(GoString(path), uint32(mode)); err != nil { + if dmesgs { + dmesg("%v: %q: %v FAIL", origin(1), GoString(path), err) + } + 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 err := unix.Symlink(GoString(target), GoString(linkpath)); err != nil { + if dmesgs { + dmesg("%v: %v FAIL", origin(1), err) + } + t.setErrno(err) + return -1 + } + + if dmesgs { + dmesg("%v: ok", origin(1)) + } + return 0 +} + +// int chmod(const char *pathname, mode_t mode) +func Xchmod(t *TLS, pathname uintptr, mode types.Mode_t) int32 { + if err := unix.Chmod(GoString(pathname), uint32(mode)); err != nil { + if dmesgs { + dmesg("%v: %q %#o: %v FAIL", origin(1), GoString(pathname), mode, err) + } + 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 { + var a []unix.Timeval + if times != 0 { + a = make([]unix.Timeval, 2) + a[0] = *(*unix.Timeval)(unsafe.Pointer(times)) + a[1] = *(*unix.Timeval)(unsafe.Pointer(times + unsafe.Sizeof(unix.Timeval{}))) + } + if err := unix.Utimes(GoString(filename), a); err != nil { + if dmesgs { + dmesg("%v: %v FAIL", origin(1), err) + } + t.setErrno(err) + return -1 + } + + if dmesgs { + dmesg("%v: ok", origin(1)) + } + return 0 +} + +// int unlink(const char *pathname); +func Xunlink(t *TLS, pathname uintptr) int32 { + if err := unix.Unlink(GoString(pathname)); err != nil { + if dmesgs { + dmesg("%v: %q: %v", origin(1), GoString(pathname), err) + } + t.setErrno(err) + return -1 + } + + if dmesgs { + dmesg("%v: ok", origin(1)) + } + return 0 +} + +// int access(const char *pathname, int mode); +func Xaccess(t *TLS, pathname uintptr, mode int32) int32 { + if err := unix.Access(GoString(pathname), uint32(mode)); err != nil { + if dmesgs { + dmesg("%v: %q %#o: %v FAIL", origin(1), GoString(pathname), mode, err) + } + t.setErrno(err) + return -1 + } + + if dmesgs { + dmesg("%v: %q %#o: ok", origin(1), GoString(pathname), mode) + } + return 0 +} + +// int rename(const char *oldpath, const char *newpath); +func Xrename(t *TLS, oldpath, newpath uintptr) int32 { + if err := unix.Rename(GoString(oldpath), GoString(newpath)); err != nil { + if dmesgs { + dmesg("%v: %v FAIL", origin(1), err) + } + t.setErrno(err) + return -1 + } + + if dmesgs { + dmesg("%v: ok", origin(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 { + panic(todo("")) + // 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 { + panic(todo("")) + // 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 _, _, err := unix.Syscall(unix.SYS_LINK, oldpath, newpath, 0); err != 0 { + t.setErrno(err) + return -1 + } + + return 0 +} + +// int dup2(int oldfd, int newfd); +func Xdup2(t *TLS, oldfd, newfd int32) int32 { + panic(todo("")) + // 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 { + var n int + var err error + switch { + case buf == 0 || bufsize == 0: + n, err = unix.Readlink(GoString(path), nil) + default: + n, err = unix.Readlink(GoString(path), (*RawMem)(unsafe.Pointer(buf))[:bufsize:bufsize]) + } + if err != nil { + if dmesgs { + dmesg("%v: %v FAIL", err) + } + t.setErrno(err) + return -1 + } + + if dmesgs { + dmesg("%v: ok") + } + return types.Ssize_t(n) +} + +// FILE *fopen64(const char *pathname, const char *mode); +func Xfopen64(t *TLS, pathname, mode uintptr) uintptr { + m := strings.ReplaceAll(GoString(mode), "b", "") + var flags int + switch m { + case "r": + flags = fcntl.O_RDONLY + case "r+": + flags = fcntl.O_RDWR + case "w": + flags = fcntl.O_WRONLY | fcntl.O_CREAT | fcntl.O_TRUNC + case "w+": + flags = fcntl.O_RDWR | fcntl.O_CREAT | fcntl.O_TRUNC + case "a": + flags = fcntl.O_WRONLY | fcntl.O_CREAT | fcntl.O_APPEND + case "a+": + flags = fcntl.O_RDWR | fcntl.O_CREAT | fcntl.O_APPEND + default: + panic(m) + } + fd, err := unix.Open(GoString(pathname), int(flags), 0666) + if err != nil { + if dmesgs { + dmesg("%v: %q %q: %v FAIL", origin(1), GoString(pathname), GoString(mode), err) + } + t.setErrno(err) + return 0 + } + + if dmesgs { + dmesg("%v: %q %q: fd %v", origin(1), GoString(pathname), GoString(mode), fd) + } + if p := newFile(t, int32(fd)); p != 0 { + return p + } + + panic("OOM") +} |