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authorWim <wim@42.be>2022-01-31 00:27:37 +0100
committerWim <wim@42.be>2022-03-20 14:57:48 +0100
commite3cafeaf9292f67459ff1d186f68283bfaedf2ae (patch)
treeb69c39620aa91dba695b3b935c6651c0fb37ce75 /vendor/modernc.org/libc/libc_linux_amd64.go
parente7b193788a56ee7cdb02a87a9db0ad6724ef66d5 (diff)
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Add dependencies/vendor (whatsapp)
Diffstat (limited to 'vendor/modernc.org/libc/libc_linux_amd64.go')
-rw-r--r--vendor/modernc.org/libc/libc_linux_amd64.go467
1 files changed, 467 insertions, 0 deletions
diff --git a/vendor/modernc.org/libc/libc_linux_amd64.go b/vendor/modernc.org/libc/libc_linux_amd64.go
new file mode 100644
index 00000000..23e4f853
--- /dev/null
+++ b/vendor/modernc.org/libc/libc_linux_amd64.go
@@ -0,0 +1,467 @@
+// 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 (
+ "os"
+ "strings"
+ "unicode"
+ "unsafe"
+
+ "golang.org/x/sys/unix"
+ "modernc.org/libc/errno"
+ "modernc.org/libc/fcntl"
+ "modernc.org/libc/signal"
+ "modernc.org/libc/sys/types"
+ "modernc.org/libc/wctype"
+)
+
+// int sigaction(int signum, const struct sigaction *act, struct sigaction *oldact);
+func Xsigaction(t *TLS, signum int32, act, oldact uintptr) int32 {
+ // musl/arch/x86_64/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 {
+ 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 _, _, 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 _, _, 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 _, _, 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 {
+ 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 {
+ data, _, err := unix.Syscall6(unix.SYS_MMAP, addr, uintptr(length), uintptr(prot), uintptr(flags), uintptr(fd), uintptr(offset))
+ 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
+}
+
+// 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 {
+ 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 _, _, 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 {
+ 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 _, _, 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 {
+ 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, _, err := unix.Syscall(unix.SYS_TIME, tloc, 0, 0)
+ if err != 0 {
+ t.setErrno(err)
+ return types.Time_t(-1)
+ }
+
+ 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.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 _, _, 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 _, _, 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 _, _, 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 _, _, 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 _, _, 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 _, _, 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 _, _, 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 _, _, 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 _, _, 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 pipe(int pipefd[2]);
+func Xpipe(t *TLS, pipefd uintptr) int32 {
+ 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 {
+ 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 {
+ 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 {
+ 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
+}
+
+// int iswspace(wint_t wc);
+func Xiswspace(t *TLS, wc wctype.Wint_t) int32 {
+ return Bool32(unicode.IsSpace(rune(wc)))
+}
+
+// int iswalnum(wint_t wc);
+func Xiswalnum(t *TLS, wc wctype.Wint_t) int32 {
+ return Bool32(unicode.IsLetter(rune(wc)) || unicode.IsNumber(rune(wc)))
+}