1604 lines
41 KiB
Go
1604 lines
41 KiB
Go
// Copyright 2020 The Libc Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package libc // import "modernc.org/libc"
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import (
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"encoding/hex"
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"fmt"
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"os"
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"os/exec"
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"path/filepath"
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"runtime"
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"runtime/debug"
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"syscall"
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"time"
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"unsafe"
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guuid "github.com/google/uuid"
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"golang.org/x/sys/unix"
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"modernc.org/libc/errno"
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"modernc.org/libc/fcntl"
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"modernc.org/libc/fts"
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gonetdb "modernc.org/libc/honnef.co/go/netdb"
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"modernc.org/libc/langinfo"
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"modernc.org/libc/limits"
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"modernc.org/libc/netdb"
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"modernc.org/libc/netinet/in"
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"modernc.org/libc/signal"
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"modernc.org/libc/stdio"
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"modernc.org/libc/sys/socket"
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"modernc.org/libc/sys/stat"
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"modernc.org/libc/sys/types"
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"modernc.org/libc/termios"
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ctime "modernc.org/libc/time"
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"modernc.org/libc/unistd"
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"modernc.org/libc/uuid/uuid"
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)
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const (
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// musl/src/internal/stdio_impl.h:16:#define F_EOF 16
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m_F_EOF = 16
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)
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var (
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in6_addr_any in.In6_addr
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_ = X__ctype_b_loc
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)
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type (
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long = types.X__syscall_slong_t
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ulong = types.X__syscall_ulong_t
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)
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type file uintptr
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func (f file) fd() int32 { return (*stdio.FILE)(unsafe.Pointer(f)).F_fileno }
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func (f file) setFd(fd int32) { (*stdio.FILE)(unsafe.Pointer(f)).F_fileno = fd }
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func (f file) err() bool { return (*stdio.FILE)(unsafe.Pointer(f)).F_flags2&stdio.X_IO_ERR_SEEN != 0 }
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func (f file) setErr() { (*stdio.FILE)(unsafe.Pointer(f)).F_flags2 |= stdio.X_IO_ERR_SEEN }
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func (f file) flags() int32 { return (*stdio.FILE)(unsafe.Pointer(f)).F_flags }
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func (f file) orFlags(n int32) { (*stdio.FILE)(unsafe.Pointer(f)).F_flags |= n }
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func (f file) xorFlags(n int32) { (*stdio.FILE)(unsafe.Pointer(f)).F_flags ^= n }
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func (f file) close(t *TLS) int32 {
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r := Xclose(t, f.fd())
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Xfree(t, uintptr(f))
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if r < 0 {
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return stdio.EOF
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}
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return 0
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}
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func newFile(t *TLS, fd int32) uintptr {
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p := Xcalloc(t, 1, types.Size_t(unsafe.Sizeof(stdio.FILE{})))
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if p == 0 {
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return 0
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}
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file(p).setFd(fd)
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return p
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}
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func fwrite(fd int32, b []byte) (int, error) {
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if fd == unistd.STDOUT_FILENO {
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return write(b)
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}
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// if dmesgs {
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// dmesg("%v: fd %v: %s", origin(1), fd, b)
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// }
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return unix.Write(int(fd), b) //TODO use Xwrite
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}
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// int fprintf(FILE *stream, const char *format, ...);
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func Xfprintf(t *TLS, stream, format, args uintptr) int32 {
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n, _ := fwrite((*stdio.FILE)(unsafe.Pointer(stream)).F_fileno, printf(format, args))
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return int32(n)
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}
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// int usleep(useconds_t usec);
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func Xusleep(t *TLS, usec types.X__useconds_t) int32 {
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time.Sleep(time.Microsecond * time.Duration(usec))
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return 0
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}
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// int getrusage(int who, struct rusage *usage);
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func Xgetrusage(t *TLS, who int32, usage uintptr) int32 {
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if _, _, err := unix.Syscall(unix.SYS_GETRUSAGE, uintptr(who), usage, 0); err != 0 {
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t.setErrno(err)
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return -1
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}
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return 0
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}
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// int lstat(const char *pathname, struct stat *statbuf);
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func Xlstat(t *TLS, pathname, statbuf uintptr) int32 {
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return Xlstat64(t, pathname, statbuf)
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}
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// int stat(const char *pathname, struct stat *statbuf);
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func Xstat(t *TLS, pathname, statbuf uintptr) int32 {
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return Xstat64(t, pathname, statbuf)
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}
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// int chdir(const char *path);
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func Xchdir(t *TLS, path uintptr) int32 {
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if _, _, err := unix.Syscall(unix.SYS_CHDIR, path, 0, 0); err != 0 {
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t.setErrno(err)
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return -1
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}
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// if dmesgs {
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// dmesg("%v: %q: ok", origin(1), GoString(path))
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// }
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return 0
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}
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var localtime ctime.Tm
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// struct tm *localtime(const time_t *timep);
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func Xlocaltime(_ *TLS, timep uintptr) uintptr {
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loc := getLocalLocation()
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ut := *(*unix.Time_t)(unsafe.Pointer(timep))
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t := time.Unix(int64(ut), 0).In(loc)
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localtime.Ftm_sec = int32(t.Second())
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localtime.Ftm_min = int32(t.Minute())
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localtime.Ftm_hour = int32(t.Hour())
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localtime.Ftm_mday = int32(t.Day())
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localtime.Ftm_mon = int32(t.Month() - 1)
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localtime.Ftm_year = int32(t.Year() - 1900)
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localtime.Ftm_wday = int32(t.Weekday())
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localtime.Ftm_yday = int32(t.YearDay())
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localtime.Ftm_isdst = Bool32(isTimeDST(t))
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return uintptr(unsafe.Pointer(&localtime))
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}
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// struct tm *localtime_r(const time_t *timep, struct tm *result);
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func Xlocaltime_r(_ *TLS, timep, result uintptr) uintptr {
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loc := getLocalLocation()
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ut := *(*unix.Time_t)(unsafe.Pointer(timep))
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t := time.Unix(int64(ut), 0).In(loc)
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(*ctime.Tm)(unsafe.Pointer(result)).Ftm_sec = int32(t.Second())
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(*ctime.Tm)(unsafe.Pointer(result)).Ftm_min = int32(t.Minute())
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(*ctime.Tm)(unsafe.Pointer(result)).Ftm_hour = int32(t.Hour())
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(*ctime.Tm)(unsafe.Pointer(result)).Ftm_mday = int32(t.Day())
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(*ctime.Tm)(unsafe.Pointer(result)).Ftm_mon = int32(t.Month() - 1)
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(*ctime.Tm)(unsafe.Pointer(result)).Ftm_year = int32(t.Year() - 1900)
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(*ctime.Tm)(unsafe.Pointer(result)).Ftm_wday = int32(t.Weekday())
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(*ctime.Tm)(unsafe.Pointer(result)).Ftm_yday = int32(t.YearDay())
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(*ctime.Tm)(unsafe.Pointer(result)).Ftm_isdst = Bool32(isTimeDST(t))
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return result
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}
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// int open(const char *pathname, int flags, ...);
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func Xopen(t *TLS, pathname uintptr, flags int32, args uintptr) int32 {
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return Xopen64(t, pathname, flags, args)
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}
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// int open(const char *pathname, int flags, ...);
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func Xopen64(t *TLS, pathname uintptr, flags int32, args uintptr) int32 {
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//TODO- flags |= fcntl.O_LARGEFILE
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var mode types.Mode_t
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if args != 0 {
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mode = (types.Mode_t)(VaUint32(&args))
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}
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fdcwd := fcntl.AT_FDCWD
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n, _, err := unix.Syscall6(unix.SYS_OPENAT, uintptr(fdcwd), pathname, uintptr(flags|unix.O_LARGEFILE), uintptr(mode), 0, 0)
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if err != 0 {
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// if dmesgs {
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// dmesg("%v: %q %#x: %v", origin(1), GoString(pathname), flags, err)
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// }
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t.setErrno(err)
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return -1
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}
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// if dmesgs {
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// dmesg("%v: %q flags %#x mode %#o: fd %v", origin(1), GoString(pathname), flags, mode, n)
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// }
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return int32(n)
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}
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// int openat(int dirfd, const char *pathname, int flags, mode_t mode);
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func Xopenat(t *TLS, dirfd int32, pathname uintptr, flags int32, mode types.Mode_t) int32 {
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// From golang.org/x/sys/unix/zsyscall_linux.go
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fd, _, err := unix.Syscall6(unix.SYS_OPENAT, uintptr(dirfd), pathname, uintptr(flags), uintptr(mode), 0, 0)
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if err != 0 {
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t.setErrno(err)
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return -1
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}
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return int32(fd)
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}
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// off_t lseek(int fd, off_t offset, int whence);
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func Xlseek(t *TLS, fd int32, offset types.Off_t, whence int32) types.Off_t {
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return types.Off_t(Xlseek64(t, fd, offset, whence))
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}
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func whenceStr(whence int32) string {
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switch whence {
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case fcntl.SEEK_CUR:
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return "SEEK_CUR"
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case fcntl.SEEK_END:
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return "SEEK_END"
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case fcntl.SEEK_SET:
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return "SEEK_SET"
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default:
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return fmt.Sprintf("whence(%d)", whence)
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}
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}
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var fsyncStatbuf stat.Stat
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// int fsync(int fd);
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func Xfsync(t *TLS, fd int32) int32 {
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if noFsync {
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// Simulate -DSQLITE_NO_SYNC for sqlite3 testfixture, see function full_sync in sqlite3.c
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return Xfstat(t, fd, uintptr(unsafe.Pointer(&fsyncStatbuf)))
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}
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if _, _, err := unix.Syscall(unix.SYS_FSYNC, uintptr(fd), 0, 0); err != 0 {
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t.setErrno(err)
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return -1
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}
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// if dmesgs {
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// dmesg("%v: %d: ok", origin(1), fd)
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// }
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return 0
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}
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// long sysconf(int name);
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func Xsysconf(t *TLS, name int32) long {
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switch name {
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case unistd.X_SC_PAGESIZE:
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return long(unix.Getpagesize())
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case unistd.X_SC_GETPW_R_SIZE_MAX:
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return -1
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case unistd.X_SC_GETGR_R_SIZE_MAX:
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return -1
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case unistd.X_SC_NPROCESSORS_ONLN:
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return long(runtime.NumCPU())
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}
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panic(todo("", name))
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}
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// int close(int fd);
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func Xclose(t *TLS, fd int32) int32 {
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if _, _, err := unix.Syscall(unix.SYS_CLOSE, uintptr(fd), 0, 0); err != 0 {
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t.setErrno(err)
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return -1
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}
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// if dmesgs {
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// dmesg("%v: %d: ok", origin(1), fd)
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// }
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return 0
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}
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// char *getcwd(char *buf, size_t size);
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func Xgetcwd(t *TLS, buf uintptr, size types.Size_t) uintptr {
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n, _, err := unix.Syscall(unix.SYS_GETCWD, buf, uintptr(size), 0)
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if err != 0 {
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t.setErrno(err)
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return 0
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}
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// if dmesgs {
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// dmesg("%v: %q: ok", origin(1), GoString(buf))
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// }
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return n
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}
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// int fstat(int fd, struct stat *statbuf);
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func Xfstat(t *TLS, fd int32, statbuf uintptr) int32 {
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return Xfstat64(t, fd, statbuf)
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}
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// int ftruncate(int fd, off_t length);
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func Xftruncate(t *TLS, fd int32, length types.Off_t) int32 {
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return Xftruncate64(t, fd, length)
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}
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// int fcntl(int fd, int cmd, ... /* arg */ );
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func Xfcntl(t *TLS, fd, cmd int32, args uintptr) int32 {
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return Xfcntl64(t, fd, cmd, args)
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}
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// ssize_t read(int fd, void *buf, size_t count);
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func Xread(t *TLS, fd int32, buf uintptr, count types.Size_t) types.Ssize_t {
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n, _, err := unix.Syscall(unix.SYS_READ, uintptr(fd), buf, uintptr(count))
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if err != 0 {
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t.setErrno(err)
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return -1
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}
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// if dmesgs {
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// // dmesg("%v: %d %#x: %#x\n%s", origin(1), fd, count, n, hex.Dump(GoBytes(buf, int(n))))
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// dmesg("%v: %d %#x: %#x", origin(1), fd, count, n)
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// }
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return types.Ssize_t(n)
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}
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// ssize_t write(int fd, const void *buf, size_t count);
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func Xwrite(t *TLS, fd int32, buf uintptr, count types.Size_t) types.Ssize_t {
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const retry = 5
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var err syscall.Errno
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for i := 0; i < retry; i++ {
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var n uintptr
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switch n, _, err = unix.Syscall(unix.SYS_WRITE, uintptr(fd), buf, uintptr(count)); err {
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case 0:
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// if dmesgs {
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// // dmesg("%v: %d %#x: %#x\n%s", origin(1), fd, count, n, hex.Dump(GoBytes(buf, int(n))))
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// dmesg("%v: %d %#x: %#x", origin(1), fd, count, n)
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// }
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return types.Ssize_t(n)
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case errno.EAGAIN:
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// nop
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}
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}
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// if dmesgs {
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// dmesg("%v: fd %v, count %#x: %v", origin(1), fd, count, err)
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// }
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t.setErrno(err)
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return -1
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}
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// int fchmod(int fd, mode_t mode);
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func Xfchmod(t *TLS, fd int32, mode types.Mode_t) int32 {
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if _, _, err := unix.Syscall(unix.SYS_FCHMOD, uintptr(fd), uintptr(mode), 0); err != 0 {
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t.setErrno(err)
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return -1
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}
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// if dmesgs {
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// dmesg("%v: %d %#o: ok", origin(1), fd, mode)
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// }
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return 0
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}
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// int fchmodat(int dirfd, const char *pathname, mode_t mode, int flags);
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func Xfchmodat(t *TLS, dirfd int32, pathname uintptr, mode types.Mode_t, flags int32) int32 {
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// From golang.org/x/sys/unix/syscall_linux.go
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// Linux fchmodat doesn't support the flags parameter. Mimick glibc's behavior
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// and check the flags. Otherwise the mode would be applied to the symlink
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// destination which is not what the user expects.
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if flags&^unix.AT_SYMLINK_NOFOLLOW != 0 {
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t.setErrno(unix.EINVAL)
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return -1
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} else if flags&unix.AT_SYMLINK_NOFOLLOW != 0 {
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t.setErrno(unix.EOPNOTSUPP)
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return -1
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}
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// From golang.org/x/sys/unix/zsyscall_linux.go
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if _, _, err := unix.Syscall(unix.SYS_FCHMODAT, uintptr(dirfd), pathname, uintptr(mode)); err != 0 {
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t.setErrno(err)
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return -1
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}
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return 0
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}
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// int fchown(int fd, uid_t owner, gid_t group);
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func Xfchown(t *TLS, fd int32, owner types.Uid_t, group types.Gid_t) int32 {
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if _, _, err := unix.Syscall(unix.SYS_FCHOWN, uintptr(fd), uintptr(owner), uintptr(group)); err != 0 {
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t.setErrno(err)
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return -1
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}
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return 0
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}
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// uid_t geteuid(void);
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func Xgeteuid(t *TLS) types.Uid_t {
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n, _, _ := unix.Syscall(unix.SYS_GETEUID, 0, 0, 0)
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return types.Uid_t(n)
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}
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// int munmap(void *addr, size_t length);
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func Xmunmap(t *TLS, addr uintptr, length types.Size_t) int32 {
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if _, _, err := unix.Syscall(unix.SYS_MUNMAP, addr, uintptr(length), 0); err != 0 {
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t.setErrno(err)
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return -1
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}
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return 0
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}
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// int gettimeofday(struct timeval *tv, struct timezone *tz);
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func Xgettimeofday(t *TLS, tv, tz uintptr) int32 {
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if tz != 0 {
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panic(todo(""))
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}
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var tvs unix.Timeval
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err := unix.Gettimeofday(&tvs)
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if err != nil {
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t.setErrno(err)
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return -1
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}
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*(*unix.Timeval)(unsafe.Pointer(tv)) = tvs
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return 0
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}
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// int getsockopt(int sockfd, int level, int optname, void *optval, socklen_t *optlen);
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func Xgetsockopt(t *TLS, sockfd, level, optname int32, optval, optlen uintptr) int32 {
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if _, _, err := unix.Syscall6(unix.SYS_GETSOCKOPT, uintptr(sockfd), uintptr(level), uintptr(optname), optval, optlen, 0); err != 0 {
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t.setErrno(err)
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return -1
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}
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return 0
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}
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// int setsockopt(int sockfd, int level, int optname, const void *optval, socklen_t optlen);
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func Xsetsockopt(t *TLS, sockfd, level, optname int32, optval uintptr, optlen socket.Socklen_t) int32 {
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if _, _, err := unix.Syscall6(unix.SYS_SETSOCKOPT, uintptr(sockfd), uintptr(level), uintptr(optname), optval, uintptr(optlen), 0); err != 0 {
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t.setErrno(err)
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return -1
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}
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return 0
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}
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// int ioctl(int fd, unsigned long request, ...);
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func Xioctl(t *TLS, fd int32, request ulong, va uintptr) int32 {
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var argp uintptr
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if va != 0 {
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argp = VaUintptr(&va)
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}
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n, _, err := unix.Syscall(unix.SYS_IOCTL, uintptr(fd), uintptr(request), argp)
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if err != 0 {
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t.setErrno(err)
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return -1
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}
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return int32(n)
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}
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|
|
// int getsockname(int sockfd, struct sockaddr *addr, socklen_t *addrlen);
|
|
func Xgetsockname(t *TLS, sockfd int32, addr, addrlen uintptr) int32 {
|
|
if _, _, err := unix.Syscall(unix.SYS_GETSOCKNAME, uintptr(sockfd), addr, addrlen); err != 0 {
|
|
// if dmesgs {
|
|
// dmesg("%v: fd %v: %v", origin(1), sockfd, err)
|
|
// }
|
|
t.setErrno(err)
|
|
return -1
|
|
}
|
|
|
|
return 0
|
|
}
|
|
|
|
// int select(int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, struct timeval *timeout);
|
|
func Xselect(t *TLS, nfds int32, readfds, writefds, exceptfds, timeout uintptr) int32 {
|
|
n, err := unix.Select(
|
|
int(nfds),
|
|
(*unix.FdSet)(unsafe.Pointer(readfds)),
|
|
(*unix.FdSet)(unsafe.Pointer(writefds)),
|
|
(*unix.FdSet)(unsafe.Pointer(exceptfds)),
|
|
(*unix.Timeval)(unsafe.Pointer(timeout)),
|
|
)
|
|
if err != nil {
|
|
t.setErrno(err)
|
|
return -1
|
|
}
|
|
|
|
return int32(n)
|
|
}
|
|
|
|
// int mkfifo(const char *pathname, mode_t mode);
|
|
func Xmkfifo(t *TLS, pathname uintptr, mode types.Mode_t) int32 {
|
|
if err := unix.Mkfifo(GoString(pathname), mode); err != nil {
|
|
t.setErrno(err)
|
|
return -1
|
|
}
|
|
|
|
return 0
|
|
}
|
|
|
|
// mode_t umask(mode_t mask);
|
|
func Xumask(t *TLS, mask types.Mode_t) types.Mode_t {
|
|
n, _, _ := unix.Syscall(unix.SYS_UMASK, uintptr(mask), 0, 0)
|
|
return types.Mode_t(n)
|
|
}
|
|
|
|
// int execvp(const char *file, char *const argv[]);
|
|
func Xexecvp(t *TLS, file, argv uintptr) int32 {
|
|
if _, _, err := unix.Syscall(unix.SYS_EXECVE, file, argv, Environ()); err != 0 {
|
|
t.setErrno(err)
|
|
return -1
|
|
}
|
|
|
|
return 0
|
|
}
|
|
|
|
// pid_t waitpid(pid_t pid, int *wstatus, int options);
|
|
func Xwaitpid(t *TLS, pid types.Pid_t, wstatus uintptr, optname int32) types.Pid_t {
|
|
n, _, err := unix.Syscall6(unix.SYS_WAIT4, uintptr(pid), wstatus, uintptr(optname), 0, 0, 0)
|
|
if err != 0 {
|
|
t.setErrno(err)
|
|
return -1
|
|
}
|
|
|
|
return types.Pid_t(n)
|
|
}
|
|
|
|
// int uname(struct utsname *buf);
|
|
func Xuname(t *TLS, buf uintptr) int32 {
|
|
if _, _, err := unix.Syscall(unix.SYS_UNAME, buf, 0, 0); err != 0 {
|
|
t.setErrno(err)
|
|
return -1
|
|
}
|
|
|
|
return 0
|
|
}
|
|
|
|
// ssize_t recv(int sockfd, void *buf, size_t len, int flags);
|
|
func Xrecv(t *TLS, sockfd int32, buf uintptr, len types.Size_t, flags int32) types.Ssize_t {
|
|
n, _, err := unix.Syscall6(unix.SYS_RECVFROM, uintptr(sockfd), buf, uintptr(len), uintptr(flags), 0, 0)
|
|
if err != 0 {
|
|
t.setErrno(err)
|
|
return -1
|
|
}
|
|
|
|
return types.Ssize_t(n)
|
|
}
|
|
|
|
// ssize_t send(int sockfd, const void *buf, size_t len, int flags);
|
|
func Xsend(t *TLS, sockfd int32, buf uintptr, len types.Size_t, flags int32) types.Ssize_t {
|
|
n, _, err := unix.Syscall6(unix.SYS_SENDTO, uintptr(sockfd), buf, uintptr(len), uintptr(flags), 0, 0)
|
|
if err != 0 {
|
|
t.setErrno(err)
|
|
return -1
|
|
}
|
|
|
|
return types.Ssize_t(n)
|
|
}
|
|
|
|
// int shutdown(int sockfd, int how);
|
|
func Xshutdown(t *TLS, sockfd, how int32) int32 {
|
|
if _, _, err := unix.Syscall(unix.SYS_SHUTDOWN, uintptr(sockfd), uintptr(how), 0); err != 0 {
|
|
t.setErrno(err)
|
|
return -1
|
|
}
|
|
|
|
return 0
|
|
}
|
|
|
|
// int getpeername(int sockfd, struct sockaddr *addr, socklen_t *addrlen);
|
|
func Xgetpeername(t *TLS, sockfd int32, addr uintptr, addrlen uintptr) int32 {
|
|
if _, _, err := unix.Syscall(unix.SYS_GETPEERNAME, uintptr(sockfd), addr, uintptr(addrlen)); err != 0 {
|
|
t.setErrno(err)
|
|
return -1
|
|
}
|
|
|
|
return 0
|
|
}
|
|
|
|
// int socket(int domain, int type, int protocol);
|
|
func Xsocket(t *TLS, domain, type1, protocol int32) int32 {
|
|
n, _, err := unix.Syscall(unix.SYS_SOCKET, uintptr(domain), uintptr(type1), uintptr(protocol))
|
|
if err != 0 {
|
|
t.setErrno(err)
|
|
return -1
|
|
}
|
|
|
|
return int32(n)
|
|
}
|
|
|
|
// int bind(int sockfd, const struct sockaddr *addr, socklen_t addrlen);
|
|
func Xbind(t *TLS, sockfd int32, addr uintptr, addrlen uint32) int32 {
|
|
n, _, err := unix.Syscall(unix.SYS_BIND, uintptr(sockfd), addr, uintptr(addrlen))
|
|
if err != 0 {
|
|
t.setErrno(err)
|
|
return -1
|
|
}
|
|
|
|
return int32(n)
|
|
}
|
|
|
|
// int connect(int sockfd, const struct sockaddr *addr, socklen_t addrlen);
|
|
func Xconnect(t *TLS, sockfd int32, addr uintptr, addrlen uint32) int32 {
|
|
if _, _, err := unix.Syscall(unix.SYS_CONNECT, uintptr(sockfd), addr, uintptr(addrlen)); err != 0 {
|
|
t.setErrno(err)
|
|
return -1
|
|
}
|
|
|
|
return 0
|
|
}
|
|
|
|
// int listen(int sockfd, int backlog);
|
|
func Xlisten(t *TLS, sockfd, backlog int32) int32 {
|
|
if _, _, err := unix.Syscall(unix.SYS_LISTEN, uintptr(sockfd), uintptr(backlog), 0); err != 0 {
|
|
t.setErrno(err)
|
|
return -1
|
|
}
|
|
|
|
return 0
|
|
}
|
|
|
|
// int accept(int sockfd, struct sockaddr *addr, socklen_t *addrlen);
|
|
func Xaccept(t *TLS, sockfd int32, addr uintptr, addrlen uintptr) int32 {
|
|
n, _, err := unix.Syscall6(unix.SYS_ACCEPT4, uintptr(sockfd), addr, uintptr(addrlen), 0, 0, 0)
|
|
if err != 0 {
|
|
t.setErrno(err)
|
|
return -1
|
|
}
|
|
|
|
return int32(n)
|
|
}
|
|
|
|
// int getrlimit(int resource, struct rlimit *rlim);
|
|
func Xgetrlimit(t *TLS, resource int32, rlim uintptr) int32 {
|
|
return Xgetrlimit64(t, resource, rlim)
|
|
}
|
|
|
|
// int setrlimit(int resource, const struct rlimit *rlim);
|
|
func Xsetrlimit(t *TLS, resource int32, rlim uintptr) int32 {
|
|
return Xsetrlimit64(t, resource, rlim)
|
|
}
|
|
|
|
// uid_t getuid(void);
|
|
func Xgetuid(t *TLS) types.Uid_t {
|
|
return types.Uid_t(os.Getuid())
|
|
}
|
|
|
|
// pid_t getpid(void);
|
|
func Xgetpid(t *TLS) int32 {
|
|
return int32(os.Getpid())
|
|
}
|
|
|
|
// int system(const char *command);
|
|
func Xsystem(t *TLS, command uintptr) int32 {
|
|
s := GoString(command)
|
|
if command == 0 {
|
|
panic(todo(""))
|
|
}
|
|
|
|
cmd := exec.Command("sh", "-c", s)
|
|
cmd.Stdout = os.Stdout
|
|
cmd.Stderr = os.Stderr
|
|
err := cmd.Run()
|
|
if err != nil {
|
|
ps := err.(*exec.ExitError)
|
|
return int32(ps.ExitCode())
|
|
}
|
|
|
|
return 0
|
|
}
|
|
|
|
// int setvbuf(FILE *stream, char *buf, int mode, size_t size);
|
|
func Xsetvbuf(t *TLS, stream, buf uintptr, mode int32, size types.Size_t) int32 {
|
|
return 0 //TODO
|
|
}
|
|
|
|
// int raise(int sig);
|
|
func Xraise(t *TLS, sig int32) int32 {
|
|
panic(todo(""))
|
|
}
|
|
|
|
// int backtrace(void **buffer, int size);
|
|
func Xbacktrace(t *TLS, buf uintptr, size int32) int32 {
|
|
panic(todo(""))
|
|
}
|
|
|
|
// void backtrace_symbols_fd(void *const *buffer, int size, int fd);
|
|
func Xbacktrace_symbols_fd(t *TLS, buffer uintptr, size, fd int32) {
|
|
panic(todo(""))
|
|
}
|
|
|
|
// int fileno(FILE *stream);
|
|
func Xfileno(t *TLS, stream uintptr) int32 {
|
|
if stream == 0 {
|
|
t.setErrno(errno.EBADF)
|
|
return -1
|
|
}
|
|
|
|
if fd := (*stdio.FILE)(unsafe.Pointer(stream)).F_fileno; fd >= 0 {
|
|
return fd
|
|
}
|
|
|
|
t.setErrno(errno.EBADF)
|
|
return -1
|
|
}
|
|
|
|
func newFtsent(t *TLS, info int, path string, stat *unix.Stat_t, err syscall.Errno) (r *fts.FTSENT) {
|
|
var statp uintptr
|
|
if stat != nil {
|
|
statp = Xmalloc(t, types.Size_t(unsafe.Sizeof(unix.Stat_t{})))
|
|
if statp == 0 {
|
|
panic("OOM")
|
|
}
|
|
|
|
*(*unix.Stat_t)(unsafe.Pointer(statp)) = *stat
|
|
}
|
|
csp, errx := CString(path)
|
|
if errx != nil {
|
|
panic("OOM")
|
|
}
|
|
|
|
return &fts.FTSENT{
|
|
Ffts_info: uint16(info),
|
|
Ffts_path: csp,
|
|
Ffts_pathlen: uint16(len(path)),
|
|
Ffts_statp: statp,
|
|
Ffts_errno: int32(err),
|
|
}
|
|
}
|
|
|
|
func newCFtsent(t *TLS, info int, path string, stat *unix.Stat_t, err syscall.Errno) uintptr {
|
|
p := Xcalloc(t, 1, types.Size_t(unsafe.Sizeof(fts.FTSENT{})))
|
|
if p == 0 {
|
|
panic("OOM")
|
|
}
|
|
|
|
*(*fts.FTSENT)(unsafe.Pointer(p)) = *newFtsent(t, info, path, stat, err)
|
|
return p
|
|
}
|
|
|
|
func ftsentClose(t *TLS, p uintptr) {
|
|
Xfree(t, (*fts.FTSENT)(unsafe.Pointer(p)).Ffts_path)
|
|
Xfree(t, (*fts.FTSENT)(unsafe.Pointer(p)).Ffts_statp)
|
|
}
|
|
|
|
type ftstream struct {
|
|
s []uintptr
|
|
x int
|
|
}
|
|
|
|
func (f *ftstream) close(t *TLS) {
|
|
for _, p := range f.s {
|
|
ftsentClose(t, p)
|
|
Xfree(t, p)
|
|
}
|
|
*f = ftstream{}
|
|
}
|
|
|
|
// FTS *fts_open(char * const *path_argv, int options, int (*compar)(const FTSENT **, const FTSENT **));
|
|
func Xfts_open(t *TLS, path_argv uintptr, options int32, compar uintptr) uintptr {
|
|
return Xfts64_open(t, path_argv, options, compar)
|
|
}
|
|
|
|
// FTS *fts_open(char * const *path_argv, int options, int (*compar)(const FTSENT **, const FTSENT **));
|
|
func Xfts64_open(t *TLS, path_argv uintptr, options int32, compar uintptr) uintptr {
|
|
f := &ftstream{}
|
|
|
|
var walk func(string)
|
|
walk = func(path string) {
|
|
var fi os.FileInfo
|
|
var err error
|
|
switch {
|
|
case options&fts.FTS_LOGICAL != 0:
|
|
fi, err = os.Stat(path)
|
|
case options&fts.FTS_PHYSICAL != 0:
|
|
fi, err = os.Lstat(path)
|
|
default:
|
|
panic(todo(""))
|
|
}
|
|
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
var statp *unix.Stat_t
|
|
if options&fts.FTS_NOSTAT == 0 {
|
|
var stat unix.Stat_t
|
|
switch {
|
|
case options&fts.FTS_LOGICAL != 0:
|
|
if err := unix.Stat(path, &stat); err != nil {
|
|
panic(todo(""))
|
|
}
|
|
case options&fts.FTS_PHYSICAL != 0:
|
|
if err := unix.Lstat(path, &stat); err != nil {
|
|
panic(todo(""))
|
|
}
|
|
default:
|
|
panic(todo(""))
|
|
}
|
|
|
|
statp = &stat
|
|
}
|
|
|
|
out:
|
|
switch {
|
|
case fi.IsDir():
|
|
f.s = append(f.s, newCFtsent(t, fts.FTS_D, path, statp, 0))
|
|
g, err := os.Open(path)
|
|
switch x := err.(type) {
|
|
case nil:
|
|
// ok
|
|
case *os.PathError:
|
|
f.s = append(f.s, newCFtsent(t, fts.FTS_DNR, path, statp, errno.EACCES))
|
|
break out
|
|
default:
|
|
panic(todo("%q: %v %T", path, x, x))
|
|
}
|
|
|
|
names, err := g.Readdirnames(-1)
|
|
g.Close()
|
|
if err != nil {
|
|
panic(todo(""))
|
|
}
|
|
|
|
for _, name := range names {
|
|
walk(path + "/" + name)
|
|
if f == nil {
|
|
break out
|
|
}
|
|
}
|
|
|
|
f.s = append(f.s, newCFtsent(t, fts.FTS_DP, path, statp, 0))
|
|
default:
|
|
info := fts.FTS_F
|
|
if fi.Mode()&os.ModeSymlink != 0 {
|
|
info = fts.FTS_SL
|
|
}
|
|
switch {
|
|
case statp != nil:
|
|
f.s = append(f.s, newCFtsent(t, info, path, statp, 0))
|
|
case options&fts.FTS_NOSTAT != 0:
|
|
f.s = append(f.s, newCFtsent(t, fts.FTS_NSOK, path, nil, 0))
|
|
default:
|
|
panic(todo(""))
|
|
}
|
|
}
|
|
}
|
|
|
|
for {
|
|
p := *(*uintptr)(unsafe.Pointer(path_argv))
|
|
if p == 0 {
|
|
if f == nil {
|
|
return 0
|
|
}
|
|
|
|
if compar != 0 {
|
|
panic(todo(""))
|
|
}
|
|
|
|
return addObject(f)
|
|
}
|
|
|
|
walk(GoString(p))
|
|
path_argv += unsafe.Sizeof(uintptr(0))
|
|
}
|
|
}
|
|
|
|
// FTSENT *fts_read(FTS *ftsp);
|
|
func Xfts_read(t *TLS, ftsp uintptr) uintptr {
|
|
return Xfts64_read(t, ftsp)
|
|
}
|
|
|
|
// FTSENT *fts_read(FTS *ftsp);
|
|
func Xfts64_read(t *TLS, ftsp uintptr) uintptr {
|
|
f := getObject(ftsp).(*ftstream)
|
|
if f.x == len(f.s) {
|
|
t.setErrno(0)
|
|
return 0
|
|
}
|
|
|
|
r := f.s[f.x]
|
|
if e := (*fts.FTSENT)(unsafe.Pointer(r)).Ffts_errno; e != 0 {
|
|
t.setErrno(e)
|
|
}
|
|
f.x++
|
|
return r
|
|
}
|
|
|
|
// int fts_close(FTS *ftsp);
|
|
func Xfts_close(t *TLS, ftsp uintptr) int32 {
|
|
return Xfts64_close(t, ftsp)
|
|
}
|
|
|
|
// int fts_close(FTS *ftsp);
|
|
func Xfts64_close(t *TLS, ftsp uintptr) int32 {
|
|
getObject(ftsp).(*ftstream).close(t)
|
|
removeObject(ftsp)
|
|
return 0
|
|
}
|
|
|
|
// void tzset (void);
|
|
func Xtzset(t *TLS) {
|
|
//TODO
|
|
}
|
|
|
|
var strerrorBuf [100]byte
|
|
|
|
// char *strerror(int errnum);
|
|
func Xstrerror(t *TLS, errnum int32) uintptr {
|
|
if dmesgs {
|
|
dmesg("%v: %v\n%s", origin(1), errnum, debug.Stack())
|
|
}
|
|
copy(strerrorBuf[:], fmt.Sprintf("strerror(%d)\x00", errnum))
|
|
return uintptr(unsafe.Pointer(&strerrorBuf[0]))
|
|
}
|
|
|
|
// void *dlopen(const char *filename, int flags);
|
|
func Xdlopen(t *TLS, filename uintptr, flags int32) uintptr {
|
|
panic(todo("%q", GoString(filename)))
|
|
}
|
|
|
|
// char *dlerror(void);
|
|
func Xdlerror(t *TLS) uintptr {
|
|
panic(todo(""))
|
|
}
|
|
|
|
// int dlclose(void *handle);
|
|
func Xdlclose(t *TLS, handle uintptr) int32 {
|
|
panic(todo(""))
|
|
}
|
|
|
|
// void *dlsym(void *handle, const char *symbol);
|
|
func Xdlsym(t *TLS, handle, symbol uintptr) uintptr {
|
|
panic(todo(""))
|
|
}
|
|
|
|
// void perror(const char *s);
|
|
func Xperror(t *TLS, s uintptr) {
|
|
panic(todo(""))
|
|
}
|
|
|
|
// int pclose(FILE *stream);
|
|
func Xpclose(t *TLS, stream uintptr) int32 {
|
|
panic(todo(""))
|
|
}
|
|
|
|
var gai_strerrorBuf [100]byte
|
|
|
|
// const char *gai_strerror(int errcode);
|
|
func Xgai_strerror(t *TLS, errcode int32) uintptr {
|
|
copy(gai_strerrorBuf[:], fmt.Sprintf("gai error %d\x00", errcode))
|
|
return uintptr(unsafe.Pointer(&gai_strerrorBuf))
|
|
}
|
|
|
|
// int tcgetattr(int fd, struct termios *termios_p);
|
|
func Xtcgetattr(t *TLS, fd int32, termios_p uintptr) int32 {
|
|
panic(todo(""))
|
|
}
|
|
|
|
// int tcsetattr(int fd, int optional_actions, const struct termios *termios_p);
|
|
func Xtcsetattr(t *TLS, fd, optional_actions int32, termios_p uintptr) int32 {
|
|
panic(todo(""))
|
|
}
|
|
|
|
// speed_t cfgetospeed(const struct termios *termios_p);
|
|
func Xcfgetospeed(t *TLS, termios_p uintptr) termios.Speed_t {
|
|
panic(todo(""))
|
|
}
|
|
|
|
// int cfsetospeed(struct termios *termios_p, speed_t speed);
|
|
func Xcfsetospeed(t *TLS, termios_p uintptr, speed uint32) int32 {
|
|
panic(todo(""))
|
|
}
|
|
|
|
// int cfsetispeed(struct termios *termios_p, speed_t speed);
|
|
func Xcfsetispeed(t *TLS, termios_p uintptr, speed uint32) int32 {
|
|
panic(todo(""))
|
|
}
|
|
|
|
// pid_t fork(void);
|
|
func Xfork(t *TLS) int32 {
|
|
t.setErrno(errno.ENOSYS)
|
|
return -1
|
|
}
|
|
|
|
var emptyStr = [1]byte{}
|
|
|
|
// char *setlocale(int category, const char *locale);
|
|
func Xsetlocale(t *TLS, category int32, locale uintptr) uintptr {
|
|
return uintptr(unsafe.Pointer(&emptyStr)) //TODO
|
|
}
|
|
|
|
// char *nl_langinfo(nl_item item);
|
|
func Xnl_langinfo(t *TLS, item langinfo.Nl_item) uintptr {
|
|
return uintptr(unsafe.Pointer(&emptyStr)) //TODO
|
|
}
|
|
|
|
// FILE *popen(const char *command, const char *type);
|
|
func Xpopen(t *TLS, command, type1 uintptr) uintptr {
|
|
panic(todo(""))
|
|
}
|
|
|
|
// char *realpath(const char *path, char *resolved_path);
|
|
func Xrealpath(t *TLS, path, resolved_path uintptr) uintptr {
|
|
s, err := filepath.EvalSymlinks(GoString(path))
|
|
if err != nil {
|
|
if os.IsNotExist(err) {
|
|
// if dmesgs {
|
|
// dmesg("%v: %q: %v", origin(1), GoString(path), err)
|
|
// }
|
|
t.setErrno(errno.ENOENT)
|
|
return 0
|
|
}
|
|
|
|
panic(todo("", err))
|
|
}
|
|
|
|
if resolved_path == 0 {
|
|
panic(todo(""))
|
|
}
|
|
|
|
if len(s) >= limits.PATH_MAX {
|
|
s = s[:limits.PATH_MAX-1]
|
|
}
|
|
|
|
copy((*RawMem)(unsafe.Pointer(resolved_path))[:len(s):len(s)], s)
|
|
(*RawMem)(unsafe.Pointer(resolved_path))[len(s)] = 0
|
|
return resolved_path
|
|
}
|
|
|
|
// struct tm *gmtime_r(const time_t *timep, struct tm *result);
|
|
func Xgmtime_r(t *TLS, timep, result uintptr) uintptr {
|
|
panic(todo(""))
|
|
}
|
|
|
|
// char *inet_ntoa(struct in_addr in);
|
|
func Xinet_ntoa(t *TLS, in1 in.In_addr) uintptr {
|
|
panic(todo(""))
|
|
}
|
|
|
|
func X__ccgo_in6addr_anyp(t *TLS) uintptr {
|
|
return uintptr(unsafe.Pointer(&in6_addr_any))
|
|
}
|
|
|
|
func Xabort(t *TLS) {
|
|
// if dmesgs {
|
|
// dmesg("%v:\n%s", origin(1), debug.Stack())
|
|
// }
|
|
p := Xmalloc(t, types.Size_t(unsafe.Sizeof(signal.Sigaction{})))
|
|
if p == 0 {
|
|
panic("OOM")
|
|
}
|
|
|
|
*(*signal.Sigaction)(unsafe.Pointer(p)) = signal.Sigaction{
|
|
F__sigaction_handler: struct{ Fsa_handler signal.X__sighandler_t }{Fsa_handler: signal.SIG_DFL},
|
|
}
|
|
Xsigaction(t, signal.SIGABRT, p, 0)
|
|
Xfree(t, p)
|
|
unix.Kill(unix.Getpid(), syscall.Signal(signal.SIGABRT))
|
|
panic(todo("unrechable"))
|
|
}
|
|
|
|
// int fflush(FILE *stream);
|
|
func Xfflush(t *TLS, stream uintptr) int32 {
|
|
return 0 //TODO
|
|
}
|
|
|
|
// size_t fread(void *ptr, size_t size, size_t nmemb, FILE *stream);
|
|
func Xfread(t *TLS, ptr uintptr, size, nmemb types.Size_t, stream uintptr) types.Size_t {
|
|
m, _, err := unix.Syscall(unix.SYS_READ, uintptr(file(stream).fd()), ptr, uintptr(size*nmemb))
|
|
if m == 0 {
|
|
file(stream).orFlags(m_F_EOF)
|
|
}
|
|
if err != 0 {
|
|
file(stream).setErr()
|
|
return 0
|
|
}
|
|
|
|
// if dmesgs {
|
|
// // dmesg("%v: %d %#x x %#x: %#x\n%s", origin(1), file(stream).fd(), size, nmemb, types.Size_t(m)/size, hex.Dump(GoBytes(ptr, int(m))))
|
|
// dmesg("%v: %d %#x x %#x: %#x", origin(1), file(stream).fd(), size, nmemb, types.Size_t(m)/size)
|
|
// }
|
|
return types.Size_t(m) / size
|
|
}
|
|
|
|
// size_t fwrite(const void *ptr, size_t size, size_t nmemb, FILE *stream);
|
|
func Xfwrite(t *TLS, ptr uintptr, size, nmemb types.Size_t, stream uintptr) types.Size_t {
|
|
m, _, err := unix.Syscall(unix.SYS_WRITE, uintptr(file(stream).fd()), ptr, uintptr(size*nmemb))
|
|
if err != 0 {
|
|
file(stream).setErr()
|
|
return 0
|
|
}
|
|
|
|
// if dmesgs {
|
|
// // dmesg("%v: %d %#x x %#x: %#x\n%s", origin(1), file(stream).fd(), size, nmemb, types.Size_t(m)/size, hex.Dump(GoBytes(ptr, int(m))))
|
|
// dmesg("%v: %d %#x x %#x: %#x", origin(1), file(stream).fd(), size, nmemb, types.Size_t(m)/size)
|
|
// }
|
|
return types.Size_t(m) / size
|
|
}
|
|
|
|
// int fclose(FILE *stream);
|
|
func Xfclose(t *TLS, stream uintptr) int32 {
|
|
return file(stream).close(t)
|
|
}
|
|
|
|
// int fputc(int c, FILE *stream);
|
|
func Xfputc(t *TLS, c int32, stream uintptr) int32 {
|
|
if _, err := fwrite(file(stream).fd(), []byte{byte(c)}); err != nil {
|
|
return stdio.EOF
|
|
}
|
|
|
|
return int32(byte(c))
|
|
}
|
|
|
|
// int fseek(FILE *stream, long offset, int whence);
|
|
func Xfseek(t *TLS, stream uintptr, offset long, whence int32) int32 {
|
|
if n := Xlseek(t, int32(file(stream).fd()), types.Off_t(offset), whence); n < 0 {
|
|
// if dmesgs {
|
|
// dmesg("%v: fd %v, off %#x, whence %v: %v", origin(1), file(stream).fd(), offset, whenceStr(whence), n)
|
|
// }
|
|
file(stream).setErr()
|
|
return -1
|
|
}
|
|
|
|
// if dmesgs {
|
|
// dmesg("%v: fd %v, off %#x, whence %v: ok", origin(1), file(stream).fd(), offset, whenceStr(whence))
|
|
// }
|
|
file(stream).xorFlags(m_F_EOF)
|
|
return 0
|
|
}
|
|
|
|
// long ftell(FILE *stream);
|
|
func Xftell(t *TLS, stream uintptr) long {
|
|
n := Xlseek(t, file(stream).fd(), 0, stdio.SEEK_CUR)
|
|
if n < 0 {
|
|
file(stream).setErr()
|
|
return -1
|
|
}
|
|
|
|
// if dmesgs {
|
|
// dmesg("%v: fd %v, n %#x: ok %#x", origin(1), file(stream).fd(), n, long(n))
|
|
// }
|
|
return long(n)
|
|
}
|
|
|
|
// int ferror(FILE *stream);
|
|
func Xferror(t *TLS, stream uintptr) int32 {
|
|
return Bool32(file(stream).err())
|
|
}
|
|
|
|
// int ungetc(int c, FILE *stream);
|
|
func Xungetc(t *TLS, c int32, stream uintptr) int32 {
|
|
panic(todo(""))
|
|
}
|
|
|
|
// int fscanf(FILE *stream, const char *format, ...);
|
|
func Xfscanf(t *TLS, stream, format, va uintptr) int32 {
|
|
panic(todo(""))
|
|
}
|
|
|
|
// int fputs(const char *s, FILE *stream);
|
|
func Xfputs(t *TLS, s, stream uintptr) int32 {
|
|
if _, _, err := unix.Syscall(unix.SYS_WRITE, uintptr(file(stream).fd()), s, uintptr(Xstrlen(t, s))); err != 0 {
|
|
return -1
|
|
}
|
|
|
|
return 0
|
|
}
|
|
|
|
var getservbynameStaticResult netdb.Servent
|
|
|
|
// struct servent *getservbyname(const char *name, const char *proto);
|
|
func Xgetservbyname(t *TLS, name, proto uintptr) uintptr {
|
|
var protoent *gonetdb.Protoent
|
|
if proto != 0 {
|
|
protoent = gonetdb.GetProtoByName(GoString(proto))
|
|
}
|
|
servent := gonetdb.GetServByName(GoString(name), protoent)
|
|
if servent == nil {
|
|
// if dmesgs {
|
|
// dmesg("%q %q: nil (protoent %+v)", GoString(name), GoString(proto), protoent)
|
|
// }
|
|
return 0
|
|
}
|
|
|
|
Xfree(t, (*netdb.Servent)(unsafe.Pointer(&getservbynameStaticResult)).Fs_name)
|
|
if v := (*netdb.Servent)(unsafe.Pointer(&getservbynameStaticResult)).Fs_aliases; v != 0 {
|
|
for {
|
|
p := *(*uintptr)(unsafe.Pointer(v))
|
|
if p == 0 {
|
|
break
|
|
}
|
|
|
|
Xfree(t, p)
|
|
v += unsafe.Sizeof(uintptr(0))
|
|
}
|
|
Xfree(t, v)
|
|
}
|
|
Xfree(t, (*netdb.Servent)(unsafe.Pointer(&getservbynameStaticResult)).Fs_proto)
|
|
cname, err := CString(servent.Name)
|
|
if err != nil {
|
|
getservbynameStaticResult = netdb.Servent{}
|
|
return 0
|
|
}
|
|
|
|
var protoname uintptr
|
|
if protoent != nil {
|
|
if protoname, err = CString(protoent.Name); err != nil {
|
|
Xfree(t, cname)
|
|
getservbynameStaticResult = netdb.Servent{}
|
|
return 0
|
|
}
|
|
}
|
|
var a []uintptr
|
|
for _, v := range servent.Aliases {
|
|
cs, err := CString(v)
|
|
if err != nil {
|
|
for _, v := range a {
|
|
Xfree(t, v)
|
|
}
|
|
return 0
|
|
}
|
|
|
|
a = append(a, cs)
|
|
}
|
|
v := Xcalloc(t, types.Size_t(len(a)+1), types.Size_t(unsafe.Sizeof(uintptr(0))))
|
|
if v == 0 {
|
|
Xfree(t, cname)
|
|
Xfree(t, protoname)
|
|
for _, v := range a {
|
|
Xfree(t, v)
|
|
}
|
|
getservbynameStaticResult = netdb.Servent{}
|
|
return 0
|
|
}
|
|
for _, p := range a {
|
|
*(*uintptr)(unsafe.Pointer(v)) = p
|
|
v += unsafe.Sizeof(uintptr(0))
|
|
}
|
|
|
|
getservbynameStaticResult = netdb.Servent{
|
|
Fs_name: cname,
|
|
Fs_aliases: v,
|
|
Fs_port: int32(servent.Port),
|
|
Fs_proto: protoname,
|
|
}
|
|
return uintptr(unsafe.Pointer(&getservbynameStaticResult))
|
|
}
|
|
|
|
func Xreaddir64(t *TLS, dir uintptr) uintptr {
|
|
return Xreaddir(t, dir)
|
|
}
|
|
|
|
func __syscall(r, _ uintptr, errno syscall.Errno) long {
|
|
if errno != 0 {
|
|
return long(-errno)
|
|
}
|
|
|
|
return long(r)
|
|
}
|
|
|
|
func X__syscall1(t *TLS, trap, p1 long) long {
|
|
return __syscall(unix.Syscall(uintptr(trap), uintptr(p1), 0, 0))
|
|
}
|
|
|
|
func X__syscall3(t *TLS, trap, p1, p2, p3 long) long {
|
|
return __syscall(unix.Syscall(uintptr(trap), uintptr(p1), uintptr(p2), uintptr(p3)))
|
|
}
|
|
|
|
func X__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))
|
|
}
|
|
|
|
func fcntlCmdStr(cmd int32) string {
|
|
switch cmd {
|
|
case fcntl.F_GETOWN:
|
|
return "F_GETOWN"
|
|
case fcntl.F_SETLK:
|
|
return "F_SETLK"
|
|
case fcntl.F_GETLK:
|
|
return "F_GETLK"
|
|
case fcntl.F_SETFD:
|
|
return "F_SETFD"
|
|
case fcntl.F_GETFD:
|
|
return "F_GETFD"
|
|
default:
|
|
return fmt.Sprintf("cmd(%d)", cmd)
|
|
}
|
|
}
|
|
|
|
// int setenv(const char *name, const char *value, int overwrite);
|
|
func Xsetenv(t *TLS, name, value uintptr, overwrite int32) int32 {
|
|
panic(todo(""))
|
|
}
|
|
|
|
// int unsetenv(const char *name);
|
|
func Xunsetenv(t *TLS, name uintptr) int32 {
|
|
panic(todo(""))
|
|
}
|
|
|
|
// int pause(void);
|
|
func Xpause(t *TLS) int32 {
|
|
err := unix.Pause()
|
|
if err != nil {
|
|
t.setErrno(err)
|
|
}
|
|
|
|
return -1
|
|
}
|
|
|
|
// ssize_t writev(int fd, const struct iovec *iov, int iovcnt);
|
|
func Xwritev(t *TLS, fd int32, iov uintptr, iovcnt int32) types.Ssize_t {
|
|
// if dmesgs {
|
|
// dmesg("%v: fd %v iov %#x iovcnt %v", origin(1), fd, iov, iovcnt)
|
|
// }
|
|
if iovcnt == 0 {
|
|
panic(todo(""))
|
|
}
|
|
|
|
iovs := make([][]byte, iovcnt)
|
|
for ; iovcnt != 0; iovcnt-- {
|
|
base := (*unix.Iovec)(unsafe.Pointer(iov)).Base
|
|
len := (*unix.Iovec)(unsafe.Pointer(iov)).Len
|
|
// if dmesgs {
|
|
// dmesg("%v: base %#x len %v", origin(1), base, len)
|
|
// }
|
|
if base != nil && len != 0 {
|
|
iovs = append(iovs, (*RawMem)(unsafe.Pointer(base))[:len:len])
|
|
iov += unsafe.Sizeof(unix.Iovec{})
|
|
}
|
|
}
|
|
n, err := unix.Writev(int(fd), iovs)
|
|
if err != nil {
|
|
// if dmesgs {
|
|
// dmesg("%v: %v", origin(1), err)
|
|
// }
|
|
panic(todo(""))
|
|
}
|
|
|
|
return types.Ssize_t(n)
|
|
}
|
|
|
|
// int __isoc99_sscanf(const char *str, const char *format, ...);
|
|
func X__isoc99_sscanf(t *TLS, str, format, va uintptr) int32 {
|
|
r := Xsscanf(t, str, format, va)
|
|
// if dmesgs {
|
|
// dmesg("%v: %q %q: %d", origin(1), GoString(str), GoString(format), r)
|
|
// }
|
|
return r
|
|
}
|
|
|
|
// var ctimeStaticBuf [32]byte
|
|
//
|
|
// // char *ctime(const time_t *timep);
|
|
// func Xctime(t *TLS, timep uintptr) uintptr {
|
|
// return Xctime_r(t, timep, uintptr(unsafe.Pointer(&ctimeStaticBuf[0])))
|
|
// }
|
|
//
|
|
// // char *ctime_r(const time_t *timep, char *buf);
|
|
// func Xctime_r(t *TLS, timep, buf uintptr) uintptr {
|
|
// ut := *(*unix.Time_t)(unsafe.Pointer(timep))
|
|
// tm := time.Unix(int64(ut), 0).Local()
|
|
// s := tm.Format(time.ANSIC) + "\n\x00"
|
|
// copy((*RawMem)(unsafe.Pointer(buf))[:26:26], s)
|
|
// return buf
|
|
// }
|
|
|
|
// ssize_t pwrite(int fd, const void *buf, size_t count, off_t offset);
|
|
func Xpwrite(t *TLS, fd int32, buf uintptr, count types.Size_t, offset types.Off_t) types.Ssize_t {
|
|
var n int
|
|
var err error
|
|
switch {
|
|
case count == 0:
|
|
n, err = unix.Pwrite(int(fd), nil, int64(offset))
|
|
default:
|
|
n, err = unix.Pwrite(int(fd), (*RawMem)(unsafe.Pointer(buf))[:count:count], int64(offset))
|
|
if dmesgs {
|
|
dmesg("%v: fd %v, off %#x, count %#x\n%s", origin(1), fd, offset, count, hex.Dump((*RawMem)(unsafe.Pointer(buf))[:count:count]))
|
|
}
|
|
}
|
|
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.Ssize_t(n)
|
|
}
|
|
|
|
// 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 {
|
|
t.setErrno(err)
|
|
return -1
|
|
}
|
|
|
|
return 0
|
|
}
|
|
|
|
// ssize_t getrandom(void *buf, size_t buflen, unsigned int flags);
|
|
func Xgetrandom(t *TLS, buf uintptr, buflen size_t, flags uint32) ssize_t {
|
|
n, err := unix.Getrandom((*RawMem)(unsafe.Pointer(buf))[:buflen], int(flags))
|
|
if err != nil {
|
|
t.setErrno(err)
|
|
return -1
|
|
}
|
|
|
|
return ssize_t(n)
|
|
}
|
|
|
|
// int posix_fadvise(int fd, off_t offset, off_t len, int advice);
|
|
func Xposix_fadvise(t *TLS, fd int32, offset, len types.Off_t, advice int32) int32 {
|
|
if err := unix.Fadvise(int(fd), int64(offset), int64(len), int(advice)); err != nil {
|
|
return int32(err.(unix.Errno))
|
|
}
|
|
|
|
return 0
|
|
}
|
|
|
|
// int fgetc(FILE *stream);
|
|
func Xfgetc(t *TLS, stream uintptr) int32 {
|
|
fd := int((*stdio.FILE)(unsafe.Pointer(stream)).F_fileno)
|
|
var buf [1]byte
|
|
if n, _ := unix.Read(fd, buf[:]); n != 0 {
|
|
return int32(buf[0])
|
|
}
|
|
|
|
file(stream).orFlags(m_F_EOF)
|
|
return stdio.EOF
|
|
}
|
|
|
|
// void uuid_copy(uuid_t dst, uuid_t src);
|
|
func Xuuid_copy(t *TLS, dst, src uintptr) {
|
|
*(*uuid.Uuid_t)(unsafe.Pointer(dst)) = *(*uuid.Uuid_t)(unsafe.Pointer(src))
|
|
}
|
|
|
|
// int uuid_parse( char *in, uuid_t uu);
|
|
func Xuuid_parse(t *TLS, in uintptr, uu uintptr) int32 {
|
|
r, err := guuid.Parse(GoString(in))
|
|
if err != nil {
|
|
return -1
|
|
}
|
|
|
|
copy((*RawMem)(unsafe.Pointer(uu))[:unsafe.Sizeof(uuid.Uuid_t{})], r[:])
|
|
return 0
|
|
}
|
|
|
|
// int mkdirat(int dirfd, const char *pathname, mode_t mode);
|
|
func Xmkdirat(t *TLS, dirfd int32, pathname uintptr, mode types.Mode_t) int32 {
|
|
// From golang.org/x/sys/unix/zsyscall_linux.go
|
|
if _, _, err := unix.Syscall(unix.SYS_MKDIRAT, uintptr(dirfd), pathname, uintptr(mode)); err != 0 {
|
|
t.setErrno(err)
|
|
return -1
|
|
}
|
|
|
|
return 0
|
|
}
|
|
|
|
// int symlinkat(const char *target, int newdirfd, const char *linkpath);
|
|
func Xsymlinkat(t *TLS, target uintptr, newdirfd int32, linkpath uintptr) int32 {
|
|
// From golang.org/x/sys/unix/zsyscall_linux.go
|
|
if _, _, err := unix.Syscall(unix.SYS_SYMLINKAT, target, uintptr(newdirfd), linkpath); err != 0 {
|
|
t.setErrno(err)
|
|
return -1
|
|
}
|
|
|
|
return 0
|
|
}
|
|
|
|
// int utimensat(int dirfd, const char *pathname, const struct timespec times[2], int flags);
|
|
func Xutimensat(t *TLS, dirfd int32, pathname, times uintptr, flags int32) int32 {
|
|
// From golang.org/x/sys/unix/zsyscall_linux.go
|
|
if _, _, err := unix.Syscall6(unix.SYS_UTIMENSAT, uintptr(dirfd), pathname, times, uintptr(flags), 0, 0); err != 0 {
|
|
t.setErrno(err)
|
|
return -1
|
|
}
|
|
|
|
return 0
|
|
}
|
|
|
|
// int unlinkat(int dirfd, const char *pathname, int flags);
|
|
func Xunlinkat(t *TLS, dirfd int32, pathname uintptr, flags int32) int32 {
|
|
// From golang.org/x/sys/unix/zsyscall_linux.go
|
|
if _, _, err := unix.Syscall(unix.SYS_UNLINKAT, uintptr(dirfd), pathname, uintptr(flags)); err != 0 {
|
|
t.setErrno(err)
|
|
return -1
|
|
}
|
|
|
|
return 0
|
|
}
|
|
|
|
// int faccessat(int dirfd, const char *pathname, int mode, int flags);
|
|
func Xfaccessat(t *TLS, dirfd int32, pathname uintptr, mode, flags int32) int32 {
|
|
// From golang.org/x/sys/unix/zsyscall_linux.go
|
|
if _, _, err := unix.Syscall(unix.SYS_FACCESSAT, uintptr(dirfd), pathname, uintptr(mode)); err != 0 {
|
|
t.setErrno(err)
|
|
return -1
|
|
}
|
|
|
|
return 0
|
|
}
|
|
|
|
// int renameat2(int olddirfd, const char *oldpath, int newdirfd, const char *newpath, unsigned int flags);
|
|
func Xrenameat2(t *TLS, olddirfd int32, oldpath uintptr, newdirfd int32, newpath uintptr, flags int32) int32 {
|
|
// From golang.org/x/sys/unix/zsyscall_linux.go
|
|
if _, _, err := unix.Syscall6(unix.SYS_RENAMEAT2, uintptr(olddirfd), oldpath, uintptr(newdirfd), newpath, uintptr(flags), 0); err != 0 {
|
|
t.setErrno(err)
|
|
return -1
|
|
}
|
|
|
|
return 0
|
|
}
|
|
|
|
// int mknodat(int dirfd, const char *pathname, mode_t mode, dev_t dev);
|
|
func Xmknodat(t *TLS, dirfd int32, pathname uintptr, mode types.Mode_t, dev types.Dev_t) int32 {
|
|
// From golang.org/x/sys/unix/zsyscall_linux.go
|
|
if _, _, err := unix.Syscall6(unix.SYS_MKNODAT, uintptr(dirfd), pathname, uintptr(mode), uintptr(dev), 0, 0); err != 0 {
|
|
t.setErrno(err)
|
|
return -1
|
|
}
|
|
|
|
return 0
|
|
}
|
|
|
|
// int fchownat(int dirfd, const char *pathname, uid_t owner, gid_t group, int flags);
|
|
func Xfchownat(t *TLS, dirfd int32, pathname uintptr, uid types.Uid_t, gid types.Gid_t, flags int32) int32 {
|
|
// From golang.org/x/sys/unix/zsyscall_linux.go
|
|
if _, _, err := unix.Syscall6(unix.SYS_FCHOWNAT, uintptr(dirfd), pathname, uintptr(uid), uintptr(gid), uintptr(flags), 0); err != 0 {
|
|
t.setErrno(err)
|
|
return -1
|
|
}
|
|
|
|
return 0
|
|
}
|
|
|
|
// int linkat(int olddirfd, const char *oldpath, int newdirfd, const char *newpath, int flags);
|
|
func Xlinkat(t *TLS, olddirfd int32, oldpath uintptr, newdirfd int32, newpath uintptr, flags int32) int32 {
|
|
// From golang.org/x/sys/unix/zsyscall_linux.go
|
|
if _, _, err := unix.Syscall6(unix.SYS_LINKAT, uintptr(olddirfd), oldpath, uintptr(newdirfd), newpath, uintptr(flags), 0); err != 0 {
|
|
t.setErrno(err)
|
|
return -1
|
|
}
|
|
|
|
return 0
|
|
}
|
|
|
|
// int pipe2(int pipefd[2], int flags);
|
|
func Xpipe2(t *TLS, pipefd uintptr, flags int32) int32 {
|
|
// From golang.org/x/sys/unix/zsyscall_linux.go
|
|
if _, _, err := unix.Syscall(unix.SYS_PIPE2, pipefd, uintptr(flags), 0); err != 0 {
|
|
t.setErrno(t)
|
|
return -1
|
|
}
|
|
|
|
return 0
|
|
}
|
|
|
|
// int dup3(int oldfd, int newfd, int flags);
|
|
func Xdup3(t *TLS, oldfd int32, newfd int32, flags int32) int32 {
|
|
// From golang.org/x/sys/unix/zsyscall_linux.go
|
|
if _, _, err := unix.Syscall(unix.SYS_DUP3, uintptr(oldfd), uintptr(newfd), uintptr(flags)); err != 0 {
|
|
t.setErrno(err)
|
|
return -1
|
|
}
|
|
|
|
return 0
|
|
}
|
|
|
|
// ssize_t readlinkat(int dirfd, const char *pathname, char *buf, size_t bufsiz);
|
|
func Xreadlinkat(t *TLS, dirfd int32, pathname, buf uintptr, bufsiz types.Size_t) types.Ssize_t {
|
|
// From golang.org/x/sys/unix/zsyscall_linux.go
|
|
n, _, err := unix.Syscall6(unix.SYS_READLINKAT, uintptr(dirfd), pathname, buf, uintptr(bufsiz), 0, 0)
|
|
if err != 0 {
|
|
t.setErrno(err)
|
|
return -1
|
|
}
|
|
|
|
return types.Ssize_t(n)
|
|
}
|
|
|
|
// int nanosleep(const struct timespec *req, struct timespec *rem);
|
|
func Xnanosleep(t *TLS, req, rem uintptr) int32 {
|
|
v := *(*ctime.Timespec)(unsafe.Pointer(req))
|
|
time.Sleep(time.Second*time.Duration(v.Ftv_sec) + time.Duration(v.Ftv_nsec))
|
|
return 0
|
|
}
|
|
|
|
func Xfeof(t *TLS, f uintptr) (r int32) {
|
|
X__lockfile(t, f)
|
|
r = BoolInt32(!!((*stdio.FILE)(unsafe.Pointer(f)).F_flags&Int32FromInt32(m_F_EOF) != 0))
|
|
X__unlockfile(t, f)
|
|
return r
|
|
}
|