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2002-02-07 Andreas Schwab <schwab@suse.de> * configure.in: Fix check for -zcombreloc. 2002-02-06 H.J. Lu <hjl@gnu.org> * config.h.in (HAVE_BUILTIN_MEMSET): New. * configure.in: Check if __builtin_memset really works. * elf/rtld.c (_dl_start): Check HAVE_BUILTIN_MEMSET instead of __GNUC_PREREQ (2, 96) before using __builtin_memset. 2002-02-06 Jakub Jelinek <jakub@redhat.com> * io/bug-ftw3.c (main): Don't try the test if root. 2002-02-06 Martin Schwidefsky <schwidefsky@de.ibm.com> * sysdeps/unix/sysv/linux/s390/brk.c (__brk): Correct inline assembly constraints. * sysdeps/unix/sysv/linux/s390/s390-32/bits/resource.h (RLIMIT_LOCKS): Add RLIMIT_LOCKS and adjust RLIMIT_NLIMITS. * sysdeps/unix/sysv/linux/s390/s390-64/bits/resource.h (RLIMIT_LOCKS): Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/clone.S (clone): Make clone a weak alias for __clone. * sysdeps/unix/sysv/linux/s390/s390-64/clone.S (clone): Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/profil-counter.h: Fix typo. * sysdeps/unix/sysv/linux/s390/s390-64/Makefile: Add framestate. * sysdeps/unix/sysv/linux/s390/s390-64/Versions: New file. * sysdeps/unix/sysv/linux/s390/s390-64/mmap.S (__mmap64): Make __mmap a weak alias for __mmap64. * sysdeps/mips/atomicity.h (exchange_and_add): Not use branch likely. * sysdeps/unix/sysv/linux/mips/sys/tas.h (_test_and_set): Likewise. * sysdeps/generic/dl-tls.c: Don't read TLS header if TLS is not needed.
57 lines
1.5 KiB
C
57 lines
1.5 KiB
C
/*
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Copyright (C) 2000 Free Software Foundation, Inc.
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Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <errno.h>
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#include <unistd.h>
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#include <sysdep.h>
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void *__curbrk = 0;
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/* Old braindamage in GCC's crtstuff.c requires this symbol in an attempt
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to work around different old braindamage in the old Linux/x86 ELF
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dynamic linker. Sigh. */
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weak_alias (__curbrk, ___brk_addr)
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int
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__brk (void *addr)
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{
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void *newbrk;
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{
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register void *__addr asm("2") = addr;
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asm ("svc %b1\n\t" /* call sys_brk */
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: "=d" (__addr)
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: "I" (SYS_ify(brk)), "r" (__addr)
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: "cc", "memory" );
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newbrk = __addr;
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}
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__curbrk = newbrk;
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if (newbrk < addr)
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{
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__set_errno (ENOMEM);
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return -1;
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}
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return 0;
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}
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weak_alias (__brk, brk)
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