Jakub Konka 5b813f1a2a Set macOS/iPhoneOS/tvOS/watchOS ABI to none (unspecified) by default
Prior to this change we would assume the ABI for Apple targets to
be GNU which could result in subtle errors in LLVM emitting calls
to non-existent system libc provided functions such as `_sincosf`
which is a GNU extension and as such is not provided by macOS for example.
This would result in linker errors where the linker would not be
able to find the said symbol in `libSystem.tbd`.

With this change, we now correctly identify macOS (and other Apple
platforms) as having ABI `unknown` which translates to unspecified
in LLVM under-the-hood:

```
// main.ll
target triple = "aarch64-unknown-macos-unknown"
```

Note however that we never suffix the target OS with target version
such as `macos11` or `macos12` which means we fail to instruct LLVM
of potential optimisations provided by the OS such as the availability
of function `___sincosf_stret`. I suggest we investigate that in a
follow-up commit.
2022-05-22 17:45:02 +02:00

430 lines
20 KiB
C
Vendored

/*
* Copyright (c) 2000-2014 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. The rights granted to you under the License
* may not be used to create, or enable the creation or redistribution of,
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
*
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
/*-
* Copyright (c) 1982, 1986, 1989, 1993
* The Regents of the University of California. All rights reserved.
* (c) UNIX System Laboratories, Inc.
* All or some portions of this file are derived from material licensed
* to the University of California by American Telephone and Telegraph
* Co. or Unix System Laboratories, Inc. and are reproduced herein with
* the permission of UNIX System Laboratories, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)stat.h 8.9 (Berkeley) 8/17/94
*/
#ifndef _SYS_STAT_H_
#define _SYS_STAT_H_
#include <sys/_types.h>
#include <sys/cdefs.h>
#include <Availability.h>
/* [XSI] The timespec structure may be defined as described in <time.h> */
#include <sys/_types/_timespec.h>
/*
* [XSI] The blkcnt_t, blksize_t, dev_t, ino_t, mode_t, nlink_t, uid_t,
* gid_t, off_t, and time_t types shall be defined as described in
* <sys/types.h>.
*/
#include <sys/_types/_blkcnt_t.h>
#include <sys/_types/_blksize_t.h>
#include <sys/_types/_dev_t.h> /* device number */
#include <sys/_types/_ino_t.h>
#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
#include <sys/_types/_ino64_t.h>
#endif /* !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) */
#include <sys/_types/_mode_t.h>
#include <sys/_types/_nlink_t.h>
#include <sys/_types/_uid_t.h>
#include <sys/_types/_gid_t.h>
#include <sys/_types/_off_t.h>
#include <sys/_types/_time_t.h>
#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
/*
* XXX So deprecated, it would make your head spin
*
* The old stat structure. In fact, this is not used by the kernel at all,
* and should not be used by user space, and should be removed from this
* header file entirely (along with the unused cvtstat() prototype in
* vnode_internal.h).
*/
struct ostat {
__uint16_t st_dev; /* inode's device */
ino_t st_ino; /* inode's number */
mode_t st_mode; /* inode protection mode */
nlink_t st_nlink; /* number of hard links */
__uint16_t st_uid; /* user ID of the file's owner */
__uint16_t st_gid; /* group ID of the file's group */
__uint16_t st_rdev; /* device type */
__int32_t st_size; /* file size, in bytes */
struct timespec st_atimespec; /* time of last access */
struct timespec st_mtimespec; /* time of last data modification */
struct timespec st_ctimespec; /* time of last file status change */
__int32_t st_blksize; /* optimal blocksize for I/O */
__int32_t st_blocks; /* blocks allocated for file */
__uint32_t st_flags; /* user defined flags for file */
__uint32_t st_gen; /* file generation number */
};
#define __DARWIN_STRUCT_STAT64_TIMES \
struct timespec st_atimespec; /* time of last access */ \
struct timespec st_mtimespec; /* time of last data modification */ \
struct timespec st_ctimespec; /* time of last status change */ \
struct timespec st_birthtimespec; /* time of file creation(birth) */
#else /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */
#define __DARWIN_STRUCT_STAT64_TIMES \
time_t st_atime; /* [XSI] Time of last access */ \
long st_atimensec; /* nsec of last access */ \
time_t st_mtime; /* [XSI] Last data modification time */ \
long st_mtimensec; /* last data modification nsec */ \
time_t st_ctime; /* [XSI] Time of last status change */ \
long st_ctimensec; /* nsec of last status change */ \
time_t st_birthtime; /* File creation time(birth) */ \
long st_birthtimensec; /* nsec of File creation time */
#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
/*
* This structure is used as the second parameter to the fstat64(),
* lstat64(), and stat64() functions, and for struct stat when
* __DARWIN_64_BIT_INO_T is set. __DARWIN_STRUCT_STAT64 is defined
* above, depending on whether we use struct timespec or the direct
* components.
*
* This is simillar to stat except for 64bit inode number
* number instead of 32bit ino_t and the addition of create(birth) time.
*/
#define __DARWIN_STRUCT_STAT64 { \
dev_t st_dev; /* [XSI] ID of device containing file */ \
mode_t st_mode; /* [XSI] Mode of file (see below) */ \
nlink_t st_nlink; /* [XSI] Number of hard links */ \
__darwin_ino64_t st_ino; /* [XSI] File serial number */ \
uid_t st_uid; /* [XSI] User ID of the file */ \
gid_t st_gid; /* [XSI] Group ID of the file */ \
dev_t st_rdev; /* [XSI] Device ID */ \
__DARWIN_STRUCT_STAT64_TIMES \
off_t st_size; /* [XSI] file size, in bytes */ \
blkcnt_t st_blocks; /* [XSI] blocks allocated for file */ \
blksize_t st_blksize; /* [XSI] optimal blocksize for I/O */ \
__uint32_t st_flags; /* user defined flags for file */ \
__uint32_t st_gen; /* file generation number */ \
__int32_t st_lspare; /* RESERVED: DO NOT USE! */ \
__int64_t st_qspare[2]; /* RESERVED: DO NOT USE! */ \
}
/*
* [XSI] This structure is used as the second parameter to the fstat(),
* lstat(), and stat() functions.
*/
#if __DARWIN_64_BIT_INO_T
struct stat __DARWIN_STRUCT_STAT64;
#else /* !__DARWIN_64_BIT_INO_T */
struct stat {
dev_t st_dev; /* [XSI] ID of device containing file */
ino_t st_ino; /* [XSI] File serial number */
mode_t st_mode; /* [XSI] Mode of file (see below) */
nlink_t st_nlink; /* [XSI] Number of hard links */
uid_t st_uid; /* [XSI] User ID of the file */
gid_t st_gid; /* [XSI] Group ID of the file */
dev_t st_rdev; /* [XSI] Device ID */
#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
struct timespec st_atimespec; /* time of last access */
struct timespec st_mtimespec; /* time of last data modification */
struct timespec st_ctimespec; /* time of last status change */
#else
time_t st_atime; /* [XSI] Time of last access */
long st_atimensec; /* nsec of last access */
time_t st_mtime; /* [XSI] Last data modification time */
long st_mtimensec; /* last data modification nsec */
time_t st_ctime; /* [XSI] Time of last status change */
long st_ctimensec; /* nsec of last status change */
#endif
off_t st_size; /* [XSI] file size, in bytes */
blkcnt_t st_blocks; /* [XSI] blocks allocated for file */
blksize_t st_blksize; /* [XSI] optimal blocksize for I/O */
__uint32_t st_flags; /* user defined flags for file */
__uint32_t st_gen; /* file generation number */
__int32_t st_lspare; /* RESERVED: DO NOT USE! */
__int64_t st_qspare[2]; /* RESERVED: DO NOT USE! */
};
#endif /* __DARWIN_64_BIT_INO_T */
#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
#if !__DARWIN_ONLY_64_BIT_INO_T
struct stat64 __DARWIN_STRUCT_STAT64;
#endif /* !__DARWIN_ONLY_64_BIT_INO_T */
#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
#define st_atime st_atimespec.tv_sec
#define st_mtime st_mtimespec.tv_sec
#define st_ctime st_ctimespec.tv_sec
#define st_birthtime st_birthtimespec.tv_sec
#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
/*
* [XSI] The following are symbolic names for the values of type mode_t. They
* are bitmap values.
*/
#include <sys/_types/_s_ifmt.h>
/*
* [XSI] The following macros shall be provided to test whether a file is
* of the specified type. The value m supplied to the macros is the value
* of st_mode from a stat structure. The macro shall evaluate to a non-zero
* value if the test is true; 0 if the test is false.
*/
#define S_ISBLK(m) (((m) & S_IFMT) == S_IFBLK) /* block special */
#define S_ISCHR(m) (((m) & S_IFMT) == S_IFCHR) /* char special */
#define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR) /* directory */
#define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO) /* fifo or socket */
#define S_ISREG(m) (((m) & S_IFMT) == S_IFREG) /* regular file */
#define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK) /* symbolic link */
#define S_ISSOCK(m) (((m) & S_IFMT) == S_IFSOCK) /* socket */
#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
#define S_ISWHT(m) (((m) & S_IFMT) == S_IFWHT) /* OBSOLETE: whiteout */
#endif
/*
* [XSI] The implementation may implement message queues, semaphores, or
* shared memory objects as distinct file types. The following macros
* shall be provided to test whether a file is of the specified type.
* The value of the buf argument supplied to the macros is a pointer to
* a stat structure. The macro shall evaluate to a non-zero value if
* the specified object is implemented as a distinct file type and the
* specified file type is contained in the stat structure referenced by
* buf. Otherwise, the macro shall evaluate to zero.
*
* NOTE: The current implementation does not do this, although
* this may change in future revisions, and co currently only
* provides these macros to ensure source compatability with
* implementations which do.
*/
#define S_TYPEISMQ(buf) (0) /* Test for a message queue */
#define S_TYPEISSEM(buf) (0) /* Test for a semaphore */
#define S_TYPEISSHM(buf) (0) /* Test for a shared memory object */
/*
* [TYM] The implementation may implement typed memory objects as distinct
* file types, and the following macro shall test whether a file is of the
* specified type. The value of the buf argument supplied to the macros is
* a pointer to a stat structure. The macro shall evaluate to a non-zero
* value if the specified object is implemented as a distinct file type and
* the specified file type is contained in the stat structure referenced by
* buf. Otherwise, the macro shall evaluate to zero.
*
* NOTE: The current implementation does not do this, although
* this may change in future revisions, and co currently only
* provides this macro to ensure source compatability with
* implementations which do.
*/
#define S_TYPEISTMO(buf) (0) /* Test for a typed memory object */
#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
#define ACCESSPERMS (S_IRWXU|S_IRWXG|S_IRWXO) /* 0777 */
/* 7777 */
#define ALLPERMS (S_ISUID|S_ISGID|S_ISTXT|S_IRWXU|S_IRWXG|S_IRWXO)
/* 0666 */
#define DEFFILEMODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)
#define S_BLKSIZE 512 /* block size used in the stat struct */
/*
* Definitions of flags stored in file flags word.
*
* Super-user and owner changeable flags.
*/
#define UF_SETTABLE 0x0000ffff /* mask of owner changeable flags */
#define UF_NODUMP 0x00000001 /* do not dump file */
#define UF_IMMUTABLE 0x00000002 /* file may not be changed */
#define UF_APPEND 0x00000004 /* writes to file may only append */
#define UF_OPAQUE 0x00000008 /* directory is opaque wrt. union */
/*
* The following bit is reserved for FreeBSD. It is not implemented
* in Mac OS X.
*/
/* #define UF_NOUNLINK 0x00000010 */ /* file may not be removed or renamed */
#define UF_COMPRESSED 0x00000020 /* file is compressed (some file-systems) */
/* UF_TRACKED is used for dealing with document IDs. We no longer issue
* notifications for deletes or renames for files which have UF_TRACKED set. */
#define UF_TRACKED 0x00000040
#define UF_DATAVAULT 0x00000080 /* entitlement required for reading */
/* and writing */
/* Bits 0x0100 through 0x4000 are currently undefined. */
#define UF_HIDDEN 0x00008000 /* hint that this item should not be */
/* displayed in a GUI */
/*
* Super-user changeable flags.
*/
#define SF_SUPPORTED 0x009f0000 /* mask of superuser supported flags */
#define SF_SETTABLE 0x3fff0000 /* mask of superuser changeable flags */
#define SF_SYNTHETIC 0xc0000000 /* mask of system read-only synthetic flags */
#define SF_ARCHIVED 0x00010000 /* file is archived */
#define SF_IMMUTABLE 0x00020000 /* file may not be changed */
#define SF_APPEND 0x00040000 /* writes to file may only append */
#define SF_RESTRICTED 0x00080000 /* entitlement required for writing */
#define SF_NOUNLINK 0x00100000 /* Item may not be removed, renamed or mounted on */
/*
* The following two bits are reserved for FreeBSD. They are not
* implemented in Mac OS X.
*/
/* #define SF_SNAPSHOT 0x00200000 */ /* snapshot inode */
/* NOTE: There is no SF_HIDDEN bit. */
#define SF_FIRMLINK 0x00800000 /* file is a firmlink */
/*
* Synthetic flags.
*
* These are read-only. We keep them out of SF_SUPPORTED so that
* attempts to set them will fail.
*/
#define SF_DATALESS 0x40000000 /* file is dataless object */
#endif
/*
* Extended flags ("EF") returned by ATTR_CMNEXT_EXT_FLAGS from getattrlist/getattrlistbulk
*/
#define EF_MAY_SHARE_BLOCKS 0x00000001 /* file may share blocks with another file */
#define EF_NO_XATTRS 0x00000002 /* file has no xattrs at all */
#define EF_IS_SYNC_ROOT 0x00000004 /* file is a sync root for iCloud */
#define EF_IS_PURGEABLE 0x00000008 /* file is purgeable */
#define EF_IS_SPARSE 0x00000010 /* file has at least one sparse region */
__BEGIN_DECLS
/* [XSI] */
int chmod(const char *, mode_t) __DARWIN_ALIAS(chmod);
int fchmod(int, mode_t) __DARWIN_ALIAS(fchmod);
int fstat(int, struct stat *) __DARWIN_INODE64(fstat);
int lstat(const char *, struct stat *) __DARWIN_INODE64(lstat);
int mkdir(const char *, mode_t);
int mkfifo(const char *, mode_t);
int stat(const char *, struct stat *) __DARWIN_INODE64(stat);
int mknod(const char *, mode_t, dev_t);
mode_t umask(mode_t);
#if __DARWIN_C_LEVEL >= 200809L
int fchmodat(int, const char *, mode_t, int) __OSX_AVAILABLE_STARTING(__MAC_10_10, __IPHONE_8_0);
int fstatat(int, const char *, struct stat *, int) __DARWIN_INODE64(fstatat) __OSX_AVAILABLE_STARTING(__MAC_10_10, __IPHONE_8_0);
int mkdirat(int, const char *, mode_t) __OSX_AVAILABLE_STARTING(__MAC_10_10, __IPHONE_8_0);
#define UTIME_NOW -1
#define UTIME_OMIT -2
int futimens(int __fd, const struct timespec __times[2]) __API_AVAILABLE(macosx(10.13), ios(11.0), tvos(11.0), watchos(4.0));
int utimensat(int __fd, const char *__path, const struct timespec __times[2],
int __flag) __API_AVAILABLE(macosx(10.13), ios(11.0), tvos(11.0), watchos(4.0));
#endif
#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
#include <sys/_types/_filesec_t.h>
int chflags(const char *, __uint32_t);
int chmodx_np(const char *, filesec_t);
int fchflags(int, __uint32_t);
int fchmodx_np(int, filesec_t);
int fstatx_np(int, struct stat *, filesec_t) __DARWIN_INODE64(fstatx_np);
int lchflags(const char *, __uint32_t) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_2_0);
int lchmod(const char *, mode_t) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_2_0);
int lstatx_np(const char *, struct stat *, filesec_t) __DARWIN_INODE64(lstatx_np);
int mkdirx_np(const char *, filesec_t);
int mkfifox_np(const char *, filesec_t);
int statx_np(const char *, struct stat *, filesec_t) __DARWIN_INODE64(statx_np);
int umaskx_np(filesec_t) __OSX_AVAILABLE_BUT_DEPRECATED(__MAC_10_4, __MAC_10_6, __IPHONE_NA, __IPHONE_NA);
#if !__DARWIN_ONLY_64_BIT_INO_T
/* The following deprecated routines are simillar to stat and friends except provide struct stat64 instead of struct stat */
int fstatx64_np(int, struct stat64 *, filesec_t) __OSX_AVAILABLE_BUT_DEPRECATED(__MAC_10_5, __MAC_10_6, __IPHONE_NA, __IPHONE_NA);
int lstatx64_np(const char *, struct stat64 *, filesec_t) __OSX_AVAILABLE_BUT_DEPRECATED(__MAC_10_5, __MAC_10_6, __IPHONE_NA, __IPHONE_NA);
int statx64_np(const char *, struct stat64 *, filesec_t) __OSX_AVAILABLE_BUT_DEPRECATED(__MAC_10_5, __MAC_10_6, __IPHONE_NA, __IPHONE_NA);
int fstat64(int, struct stat64 *) __OSX_AVAILABLE_BUT_DEPRECATED(__MAC_10_5, __MAC_10_6, __IPHONE_NA, __IPHONE_NA);
int lstat64(const char *, struct stat64 *) __OSX_AVAILABLE_BUT_DEPRECATED(__MAC_10_5, __MAC_10_6, __IPHONE_NA, __IPHONE_NA);
int stat64(const char *, struct stat64 *) __OSX_AVAILABLE_BUT_DEPRECATED(__MAC_10_5, __MAC_10_6, __IPHONE_NA, __IPHONE_NA);
#endif /* !__DARWIN_ONLY_64_BIT_INO_T */
#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
__END_DECLS
#endif /* !_SYS_STAT_H_ */