glibc/sysdeps/generic/abort-instr.h

32 lines
1.3 KiB
C
Raw Normal View History

/* Magic instruction to crash quickly and reliably. Generic/stub version.
Copyright (C) 2014-2019 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
Prefer https to http for gnu.org and fsf.org URLs Also, change sources.redhat.com to sourceware.org. This patch was automatically generated by running the following shell script, which uses GNU sed, and which avoids modifying files imported from upstream: sed -ri ' s,(http|ftp)(://(.*\.)?(gnu|fsf|sourceware)\.org($|[^.]|\.[^a-z])),https\2,g s,(http|ftp)(://(.*\.)?)sources\.redhat\.com($|[^.]|\.[^a-z]),https\2sourceware.org\4,g ' \ $(find $(git ls-files) -prune -type f \ ! -name '*.po' \ ! -name 'ChangeLog*' \ ! -path COPYING ! -path COPYING.LIB \ ! -path manual/fdl-1.3.texi ! -path manual/lgpl-2.1.texi \ ! -path manual/texinfo.tex ! -path scripts/config.guess \ ! -path scripts/config.sub ! -path scripts/install-sh \ ! -path scripts/mkinstalldirs ! -path scripts/move-if-change \ ! -path INSTALL ! -path locale/programs/charmap-kw.h \ ! -path po/libc.pot ! -path sysdeps/gnu/errlist.c \ ! '(' -name configure \ -execdir test -f configure.ac -o -f configure.in ';' ')' \ ! '(' -name preconfigure \ -execdir test -f preconfigure.ac ';' ')' \ -print) and then by running 'make dist-prepare' to regenerate files built from the altered files, and then executing the following to cleanup: chmod a+x sysdeps/unix/sysv/linux/riscv/configure # Omit irrelevant whitespace and comment-only changes, # perhaps from a slightly-different Autoconf version. git checkout -f \ sysdeps/csky/configure \ sysdeps/hppa/configure \ sysdeps/riscv/configure \ sysdeps/unix/sysv/linux/csky/configure # Omit changes that caused a pre-commit check to fail like this: # remote: *** error: sysdeps/powerpc/powerpc64/ppc-mcount.S: trailing lines git checkout -f \ sysdeps/powerpc/powerpc64/ppc-mcount.S \ sysdeps/unix/sysv/linux/s390/s390-64/syscall.S # Omit change that caused a pre-commit check to fail like this: # remote: *** error: sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S: last line does not end in newline git checkout -f sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S
2019-09-07 13:40:42 +08:00
<https://www.gnu.org/licenses/>. */
#ifndef _ABORT_INSTR_H
#define _ABORT_INSTR_H 1
/* If the compiler provides the generic way to generate the right
instruction, we can use that without any machine-specific knowledge. */
#if HAVE_BUILTIN_TRAP
# define ABORT_INSTRUCTION __builtin_trap ()
#else
update from main archive 961220 Sat Dec 21 04:14:16 1996 Ulrich Drepper <drepper@cygnus.com> * sysdeps/unix/common/pause.c: Add missing second argument in call to __sigpause. Reported by a sun <asun@zoology.washington.edu>. * locale/weight.h: Correct handling of collation elements. Reported by Keld Simonsen <keld@dkuug.dk>. * manual/time.texi: Document ^ flag and %P format. * new-malloc/malloc.c: Update from Wolfram Gloger. * nss/nss.h: Reformat copyright. * posix/sched.h: Likewise. * sysdeps/i386/fpu_control.h: Likewise. * sysdeps/unix/sysv/linux/fcntlbits.h: Likewise. * sysdeps/unix/sysv/linux/ioctls.h: Likewise. * sysdeps/unix/sysv/linux/sigcontext.h: Likewise. * sysdeps/unix/sysv/linux/utsnamelen.h: Likewise. * sysdeps/unix/sysv/linux/sys/acct.h: Likewise. * sysvips/sys/msg.h: Likewise. * stdio-common/Makefile (routines): Remove fcloseall. * stdio-common/fcloseall.c: Removed. * stdlib/Makefile (distribute): Add abort-instr.h. * sysdeps/generic/abort-instr.h: New file. * sysdeps/i386/abort-instr.h: New file. * sysdeps/generic/abort.c: Use lock and stage counter to prevent any form of loop. * sysdeps/unix/sysv/linux/timebits.h: Define CLK_TCK as 100. * sysdeps/unix/sysv/linux/alpha/timebits.h: Define CLOCKS_PER_SEC as 1000000. Define CLK_TCK as 1024. * time/time.c (CLK_TCK): Define only if not already set. * time/strftime.c: Don't use `isdigit' when computing field width from string since the locale might have more than one digit block. Fri Dec 20 12:38:14 1996 Darrel Hankerson <hankedr@mail.auburn.edu> * posix/getopt.c (in -W option handling): Return when optind == argc. Thu Dec 19 14:24:50 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * nis/nss_nis/nis-alias.c (_nss_nis_parse_aliasent): Add const to type of KEY. * nis/nss_compat/compat-grp.c: Include the declaration of the file parser. * nis/nss_compat/compat-pwd.c: Likewise. * nis/nss_compat/compat-spwd.c: Likewise. * nis/nss_nis/nis-ethers.c: Likewise. * nis/nss_nis/nis-grp.c: Likewise. * nis/nss_nis/nis-network.c: Likewise. * nis/nss_nis/nis-proto.c: Likewise. * nis/nss_nis/nis-pwd.c: Likewise. * nis/nss_nis/nis-rpc.c: Likewise. * nis/nss_nis/nis-spwd.c: Likewise. * nis/nss_compat/compat-grp.c (getgrent_next_nis, getgrent_next_file): Pass the correct type for the buffer to the parser function. * nis/nss_compat/compat-pwd.c (getpwent_next_netgr, getpwent_next_nis, getpwent_next_file): Likewise. * nis/nss_compat/compat-spwd.c (getspent_next_netgr, getspent_next_nis, getspent_next_file): Likewise. * nis/nss_nis/nis-ethers.c (internal_nis_getetherent_r, _nss_nis_getethernam_r, _nss_nis_getetherbyaddr_r): Likewise. * nis/nss_nis/nis-grp.c (internal_nis_getgrent_r, _nss_nis_getgrnam_r, _nss_nis_getgrgid_r): Likewise. * nis/nss_nis/nis-network.c (internal_nis_getnetent_r, _nss_nis_getnetbyname_r, _nss_nis_getnetbyaddr_r): Likewise. * nis/nss_nis/nis-proto.c (internal_nis_getprotoent_r, _nss_nis_getprotobyname_r, _nss_nis_getprotobynumber_r): Likewise. * nis/nss_nis/nis-pwd.c (internal_nis_getpwent_r, _nss_nis_getpwnam_r, _nss_nis_getpwuid_r): Likewise. * nis/nss_nis/nis-rpc.c (internal_nis_getrpcent_r, _nss_nis_getrpcbynumber_r): Likewise. * nis/nss_nis/nis-spwd.c (internal_nis_getspent_r, _nss_nis_getspnam_r): Likewise. Thu Dec 19 13:37:16 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/unix/sysv/linux/m68k/setjmp.c: New file.
1996-12-21 12:13:58 +08:00
/* We cannot give any generic instruction to crash the program.
abort will have to make sure it never returns. */
#endif
#endif /* abort-instr.h */