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author | Ulrich Drepper <drepper@redhat.com> | 2002-09-15 02:37:32 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 2002-09-15 02:37:32 +0000 |
commit | 7ae4abe9af5d7c76c7ab01a72aebe307a06120e1 (patch) | |
tree | 18fca0dd7b02623bec5e7e8d1f39aae93f50c68a /sysdeps/unix/sysv | |
parent | df17727a5efa1a5447e970e31cf9673a7f508fba (diff) | |
download | glibc-7ae4abe9af5d7c76c7ab01a72aebe307a06120e1.tar.gz glibc-7ae4abe9af5d7c76c7ab01a72aebe307a06120e1.tar.xz glibc-7ae4abe9af5d7c76c7ab01a72aebe307a06120e1.zip |
Update.
2002-09-14 Ulrich Drepper <drepper@redhat.com> * include/unistd.h: Declare __exit_thread. * sysdeps/generic/libc-start.c: Remove dummy_addr. Wrap call to main in setjmp if HAVE_CANCELBUF is defined. * sysdeps/unix/sysv/linux/exit-thread.S: New file. * sysdeps/unix/sysv/linux/_exit.c: New file. * sysdeps/unix/sysv/linux/i386/_exit.S: New file. * sysdeps/unix/sysv/linux/Makefile [subdir==posix] (sysdep_routines): Add exit-thread. * configure.in: Add dl_iterate_phdr to test using -nostdlib.
Diffstat (limited to 'sysdeps/unix/sysv')
-rw-r--r-- | sysdeps/unix/sysv/linux/Makefile | 2 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/_exit.c | 38 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/exit-thread.S | 23 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/i386/_exit.S | 43 |
4 files changed, 106 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/Makefile b/sysdeps/unix/sysv/linux/Makefile index cc37196526..13430d1a87 100644 --- a/sysdeps/unix/sysv/linux/Makefile +++ b/sysdeps/unix/sysv/linux/Makefile @@ -88,6 +88,8 @@ endif ifeq ($(subdir),posix) sysdep_headers += bits/pthreadtypes.h bits/initspin.h + +sysdep_routines += exit-thread endif ifeq ($(subdir),inet) diff --git a/sysdeps/unix/sysv/linux/_exit.c b/sysdeps/unix/sysv/linux/_exit.c new file mode 100644 index 0000000000..3bd6b6db4c --- /dev/null +++ b/sysdeps/unix/sysv/linux/_exit.c @@ -0,0 +1,38 @@ +/* Copyright (C) 2002 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <stdlib.h> +#include <unistd.h> +#include <sysdep.h> +#include <abort-instr.h> + + +void +_exit (status) + int status; +{ + while (1) + { +#ifdef __NR_exit_group + INLINE_SYSCALL (exit_group, 1, status); +#endif + INLINE_SYSCALL (exit, 1, status); + + ABORT_INSTRUCTION; + } +} diff --git a/sysdeps/unix/sysv/linux/exit-thread.S b/sysdeps/unix/sysv/linux/exit-thread.S new file mode 100644 index 0000000000..bb996fecf7 --- /dev/null +++ b/sysdeps/unix/sysv/linux/exit-thread.S @@ -0,0 +1,23 @@ +/* Copyright (C) 1991,92,97,99,2002 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <sysdep.h> + +PSEUDO (__exit_thread, exit, 1) + /* Shouldn't get here. */ +PSEUDO_END(__exit_thread) diff --git a/sysdeps/unix/sysv/linux/i386/_exit.S b/sysdeps/unix/sysv/linux/i386/_exit.S new file mode 100644 index 0000000000..56561e94bb --- /dev/null +++ b/sysdeps/unix/sysv/linux/i386/_exit.S @@ -0,0 +1,43 @@ +/* Copyright (C) 2002 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <sysdep.h> + + .text + .type _exit,@function + .global _exit +_exit: + movl 4(%esp), %ebx + + /* Try the new syscall first. */ +#ifdef __NR_exit_group + movl $__NR_exit_group, %eax + int $0x80 +#endif + + /* Not available. Now the old one. */ + movl $__NR_exit, %eax + int $0x80 + + /* This must not fail. Be sure we don't return. */ + hlt + .size _exit,.-_exit + + .globl _Exit + .weak _Exit +_Exit = _exit |