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Add __aeabi_read_tp function required for thread-local storage

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Reviewed by:	cognet
This commit is contained in:
gonzo 2012-02-14 00:12:15 +00:00
parent 35fc7978b5
commit 726cb44ee5
2 changed files with 43 additions and 1 deletions
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2
lib/libc/arm/gen/Makefile.inc
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@ -3,4 +3,4 @@
SRCS+= _ctx_start.S _setjmp.S _set_tp.c alloca.S fabs.c \
getcontextx.c infinity.c ldexp.c makecontext.c \
setjmp.S signalcontext.c sigsetjmp.S divsi3.S flt_rounds.c
__aeabi_read_tp.c setjmp.S signalcontext.c sigsetjmp.S divsi3.S flt_rounds.c

42
lib/libc/arm/gen/__aeabi_read_tp.c Normal file
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@ -0,0 +1,42 @@
/*-
* Copyright (c) 2012 Oleksandr Tymoshenko
* All rights reserved.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*
* $FreeBSD$
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/types.h>
#include "machine/sysarch.h"
void *
__aeabi_read_tp()
{
void **_tp = (void **)ARM_TP_ADDRESS;
return (*_tp);
}