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/* Linux/i386 definitions of functions used by static libc main startup.
Copyright (C) 2017-2021 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#if BUILD_PIE_DEFAULT
/* Can't use "call *%gs:SYSINFO_OFFSET" during statup in static PIE. */
# define I386_USE_SYSENTER 0
# include <sysdep.h>
# include <abort-instr.h>
__attribute__ ((__noreturn__))
static inline void
_startup_fatal (const char *message __attribute__ ((unused)))
{
/* This is only called very early during startup in static PIE.
FIXME: How can it be improved? */
ABORT_INSTRUCTION;
__builtin_unreachable ();
}
static inline uid_t
startup_getuid (void)
{
return (uid_t) INTERNAL_SYSCALL_CALL (getuid32);
}
static inline uid_t
startup_geteuid (void)
{
return (uid_t) INTERNAL_SYSCALL_CALL (geteuid32);
}
static inline gid_t
startup_getgid (void)
{
return (gid_t) INTERNAL_SYSCALL_CALL (getgid32);
}
static inline gid_t
startup_getegid (void)
{
return (gid_t) INTERNAL_SYSCALL_CALL (getegid32);
}
#else
# include_next <startup.h>
#endif
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