diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux')
-rw-r--r-- | sysdeps/unix/sysv/linux/i386/brk.c | 1 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/i386/startup.h | 36 |
2 files changed, 37 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/brk.c b/sysdeps/unix/sysv/linux/i386/brk.c index 25ab1015d3..bb9cf7ac35 100644 --- a/sysdeps/unix/sysv/linux/i386/brk.c +++ b/sysdeps/unix/sysv/linux/i386/brk.c @@ -16,6 +16,7 @@ License along with the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ +#include <startup.h> #include <errno.h> #include <unistd.h> #include <sysdep.h> diff --git a/sysdeps/unix/sysv/linux/i386/startup.h b/sysdeps/unix/sysv/linux/i386/startup.h new file mode 100644 index 0000000000..a8fd3134b7 --- /dev/null +++ b/sysdeps/unix/sysv/linux/i386/startup.h @@ -0,0 +1,36 @@ +/* Linux/i386 definitions of functions used by static libc main startup. + Copyright (C) 2017 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 + <http://www.gnu.org/licenses/>. */ + +#ifdef BUILD_PIE_DEFAULT +# include <abort-instr.h> + +/* Can't use "call *%gs:SYSINFO_OFFSET" during statup in static PIE. */ +# define I386_USE_SYSENTER 0 + +__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 (); +} +#else +# include_next <startup.h> +#endif |