diff options
author | ru <ru@FreeBSD.org> | 2006-09-05 16:21:26 +0000 |
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committer | ru <ru@FreeBSD.org> | 2006-09-05 16:21:26 +0000 |
commit | 32ef6461704b7f6c2cb87663781c3043fc2971e1 (patch) | |
tree | d084db25fe83fb9352be9160d7a5b7930ebb6b0f | |
parent | 37beee947f3a08a462ffa483f55fe638b5d9626a (diff) | |
download | FreeBSD-src-32ef6461704b7f6c2cb87663781c3043fc2971e1.zip FreeBSD-src-32ef6461704b7f6c2cb87663781c3043fc2971e1.tar.gz |
GC dead code. If we want to stay polite to the foreign compilers,
we can find another way to issue an #error, but using a preprocessed
assembler for that purpose and clobbering libc.a with an empty .o
just for the sake of #error reporting is way too much of a burden.
-rw-r--r-- | lib/libc/i386/gen/Makefile.inc | 2 | ||||
-rw-r--r-- | lib/libc/i386/gen/alloca.S | 62 |
2 files changed, 1 insertions, 63 deletions
diff --git a/lib/libc/i386/gen/Makefile.inc b/lib/libc/i386/gen/Makefile.inc index 709cf5d..89319c8 100644 --- a/lib/libc/i386/gen/Makefile.inc +++ b/lib/libc/i386/gen/Makefile.inc @@ -1,6 +1,6 @@ # @(#)Makefile.inc 8.1 (Berkeley) 6/4/93 # $FreeBSD$ -SRCS+= _ctx_start.S _setjmp.S _set_tp.c alloca.S fabs.S \ +SRCS+= _ctx_start.S _setjmp.S _set_tp.c fabs.S \ flt_rounds.c infinity.c ldexp.c makecontext.c modf.S \ rfork_thread.S setjmp.S signalcontext.c sigsetjmp.S diff --git a/lib/libc/i386/gen/alloca.S b/lib/libc/i386/gen/alloca.S deleted file mode 100644 index 657c114..0000000 --- a/lib/libc/i386/gen/alloca.S +++ /dev/null @@ -1,62 +0,0 @@ -/*- - * Copyright (c) 1990 The Regents of the University of California. - * All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * William Jolitz. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#if !defined(__GNUC__) && !defined(__INTEL_COMPILER) -#error Please add alloca support for this compiler on FreeBSD. - -#if defined(LIBC_SCCS) && !defined(lint) - .asciz "@(#)alloca.s 5.2 (Berkeley) 5/14/90" -#endif /* LIBC_SCCS and not lint */ -#include <machine/asm.h> -__FBSDID("$FreeBSD$"); - - -/* like alloc, but automatic automatic free in return */ - -ENTRY(alloca) - popl %edx /* pop return addr */ - popl %eax /* pop amount to allocate */ - movl %esp,%ecx - addl $3,%eax /* round up to next word */ - andl $0xfffffffc,%eax - subl %eax,%esp - movl %esp,%eax /* base of newly allocated space */ - pushl 8(%ecx) /* copy possible saved registers */ - pushl 4(%ecx) - pushl 0(%ecx) - pushl %eax /* dummy to pop at callsite */ - jmp *%edx /* "return" */ -#endif /*!__GNUC__*/ |