hyperlight-libc 0.16.0

This crate provides picolibc for Hyperlight guests. It builds the picolibc library and generates bindings to the libc types and functions.
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/*
Copyright (c) 1982, 1986, 1993
The Regents of the University of California.  All rights reserved.

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. 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.
 */
/* errno is not a global variable, because that would make using it
   non-reentrant.  Instead, its address is returned by the function
   __errno.  */

#ifndef _SYS_ERRNO_H_
#define _SYS_ERRNO_H_

#include <sys/cdefs.h>

_BEGIN_STD_C

#if __GNU_VISIBLE
char *_user_strerror(int errnum, int internal, int *errptr);
#endif

#ifdef __GLOBAL_ERRNO
#define __THREAD_LOCAL_ERRNO
#else
#define __THREAD_LOCAL_ERRNO __THREAD_LOCAL
#endif

#ifdef __PICOLIBC_ERRNO_FUNCTION
int *__PICOLIBC_ERRNO_FUNCTION(void);
#define errno (*__PICOLIBC_ERRNO_FUNCTION())
#else
extern __THREAD_LOCAL_ERRNO int errno;
#define errno errno
#endif

#define EPERM           1      /* Not owner */
#define ENOENT          2      /* No such file or directory */
#define ESRCH           3      /* No such process */
#define EINTR           4      /* Interrupted system call */
#define EIO             5      /* I/O error */
#define ENXIO           6      /* No such device or address */
#define E2BIG           7      /* Arg list too long */
#define ENOEXEC         8      /* Exec format error */
#define EBADF           9      /* Bad file number */
#define ECHILD          10     /* No children */
#define EAGAIN          11     /* No more processes */
#define ENOMEM          12     /* Not enough space */
#define EACCES          13     /* Permission denied */
#define EFAULT          14     /* Bad address */
#define ENOTBLK         15     /* Block device required */
#define EBUSY           16     /* Device or resource busy */
#define EEXIST          17     /* File exists */
#define EXDEV           18     /* Cross-device link */
#define ENODEV          19     /* No such device */
#define ENOTDIR         20     /* Not a directory */
#define EISDIR          21     /* Is a directory */
#define EINVAL          22     /* Invalid argument */
#define ENFILE          23     /* Too many open files in system */
#define EMFILE          24     /* File descriptor value too large */
#define ENOTTY          25     /* Not a character device */
#define ETXTBSY         26     /* Text file busy */
#define EFBIG           27     /* File too large */
#define ENOSPC          28     /* No space left on device */
#define ESPIPE          29     /* Illegal seek */
#define EROFS           30     /* Read-only file system */
#define EMLINK          31     /* Too many links */
#define EPIPE           32     /* Broken pipe */
#define EDOM            33     /* Mathematics argument out of domain of function */
#define ERANGE          34     /* Result too large */
#define ENOMSG          35     /* No message of desired type */
#define EIDRM           36     /* Identifier removed */
#define ECHRNG          37     /* Channel number out of range */
#define EL2NSYNC        38     /* Level 2 not synchronized */
#define EL3HLT          39     /* Level 3 halted */
#define EL3RST          40     /* Level 3 reset */
#define ELNRNG          41     /* Link number out of range */
#define EUNATCH         42     /* Protocol driver not attached */
#define ENOCSI          43     /* No CSI structure available */
#define EL2HLT          44     /* Level 2 halted */
#define EDEADLK         45     /* Deadlock */
#define ENOLCK          46     /* No lock */
#define EBADE           50     /* Invalid exchange */
#define EBADR           51     /* Invalid request descriptor */
#define EXFULL          52     /* Exchange full */
#define ENOANO          53     /* No anode */
#define EBADRQC         54     /* Invalid request code */
#define EBADSLT         55     /* Invalid slot */
#define EDEADLOCK       56     /* File locking deadlock error */
#define EBFONT          57     /* Bad font file fmt */
#define ENOSTR          60     /* Not a stream */
#define ENODATA         61     /* No data (for no delay io) */
#define ETIME           62     /* Stream ioctl timeout */
#define ENOSR           63     /* No stream resources */
#define ENONET          64     /* Machine is not on the network */
#define ENOPKG          65     /* Package not installed */
#define EREMOTE         66     /* The object is remote */
#define ENOLINK         67     /* Virtual circuit is gone */
#define EADV            68     /* Advertise error */
#define ESRMNT          69     /* Srmount error */
#define ECOMM           70     /* Communication error on send */
#define EPROTO          71     /* Protocol error */
#define EMULTIHOP       74     /* Multihop attempted */
#define ELBIN           75     /* Inode is remote (not really error) */
#define EDOTDOT         76     /* Cross mount point (not really error) */
#define EBADMSG         77     /* Bad message */
#define EFTYPE          79     /* Inappropriate file type or format */
#define ENOTUNIQ        80     /* Given log. name not unique */
#define EBADFD          81     /* File descriptor in bad state */
#define EREMCHG         82     /* Remote address changed */
#define ELIBACC         83     /* Can't access a needed shared lib */
#define ELIBBAD         84     /* Accessing a corrupted shared lib */
#define ELIBSCN         85     /* .lib section in a.out corrupted */
#define ELIBMAX         86     /* Attempting to link in too many libs */
#define ELIBEXEC        87     /* Attempting to exec a shared library */
#define ENOSYS          88     /* Function not implemented */
#define ENOTEMPTY       90     /* Directory not empty */
#define ENAMETOOLONG    91     /* File or path name too long */
#define ELOOP           92     /* Too many symbolic links */
#define EOPNOTSUPP      95     /* Operation not supported on socket */
#define EPFNOSUPPORT    96     /* Protocol family not supported */
#define ECONNRESET      104    /* Connection reset by peer */
#define ENOBUFS         105    /* No buffer space available */
#define EAFNOSUPPORT    106    /* Address family not supported by protocol family */
#define EPROTOTYPE      107    /* Protocol wrong type for socket */
#define ENOTSOCK        108    /* Socket operation on non-socket */
#define ENOPROTOOPT     109    /* Protocol not available */
#define ESHUTDOWN       110    /* Can't send after socket shutdown */
#define ECONNREFUSED    111    /* Connection refused */
#define EADDRINUSE      112    /* Address already in use */
#define ECONNABORTED    113    /* Software caused connection abort */
#define ENETUNREACH     114    /* Network is unreachable */
#define ENETDOWN        115    /* Network interface is not configured */
#define ETIMEDOUT       116    /* Connection timed out */
#define EHOSTDOWN       117    /* Host is down */
#define EHOSTUNREACH    118    /* Host is unreachable */
#define EINPROGRESS     119    /* Connection already in progress */
#define EALREADY        120    /* Socket already connected */
#define EDESTADDRREQ    121    /* Destination address required */
#define EMSGSIZE        122    /* Message too long */
#define EPROTONOSUPPORT 123    /* Unknown protocol */
#define ESOCKTNOSUPPORT 124    /* Socket type not supported */
#define EADDRNOTAVAIL   125    /* Address not available */
#define ENETRESET       126    /* Connection aborted by network */
#define EISCONN         127    /* Socket is already connected */
#define ENOTCONN        128    /* Socket is not connected */
#define ETOOMANYREFS    129    /* Too many references: cannot splice */
#define EPROCLIM        130    /* Too many processes */
#define EUSERS          131    /* Too many users */
#define EDQUOT          132    /* Reserved */
#define ESTALE          133    /* Reserved */
#define ENOTSUP         134    /* Not supported */
#define ENOMEDIUM       135    /* No medium found */
#define EILSEQ          138    /* Illegal byte sequence */
#define EOVERFLOW       139    /* Value too large for defined data type */
#define ECANCELED       140    /* Operation canceled */
#define ENOTRECOVERABLE 141    /* State not recoverable */
#define EOWNERDEAD      142    /* Previous owner died */
#define ESTRPIPE        143    /* Streams pipe error */
#define EHWPOISON       144    /* Memory page has hardware error */
#define EISNAM          145    /* Is a named type file */
#define EKEYEXPIRED     146    /* Key has expired */
#define EKEYREJECTED    147    /* Key was rejected by service */
#define EKEYREVOKED     148    /* Key has been revoked */
#define EWOULDBLOCK     EAGAIN /* Operation would block */

#define __ELASTERROR    2000 /* Users can add values starting here */

_END_STD_C

#endif /* _SYS_ERRNO_H */