blob: ef33bec93938e8d2a2e7aab8362e5bb84e7ce688 [file] [log] [blame]
/* This file is only used if enabled in the build system, in which case it is
* included automatically via command line options. It is not included
* explicitly by any source files or other headers. Its purpose is to
* override default visibilities to reduce the size and performance costs
* of position-independent code. */
#if !defined(CRT) && !defined(__ASSEMBLER__)
/* Conceptually, all symbols should be protected, but some toolchains
* fail to support copy relocations for protected data, so exclude all
* exported data symbols. */
__attribute__((__visibility__("default"))) extern struct _IO_FILE *const stdin,
*const stdout, *const stderr;
__attribute__((__visibility__("default"))) extern int optind, opterr, optopt,
optreset, __optreset, getdate_err, h_errno, daylight, __daylight, signgam,
__signgam;
__attribute__((__visibility__("default"))) extern long timezone, __timezone;
__attribute__((__visibility__("default"))) extern char *optarg, **environ,
**__environ, *tzname[2], *__tzname[2], *__progname, *__progname_full;
#pragma GCC visibility push(protected)
#endif