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Allow building for the PowerPC EABI by providing a dummy __eabi()

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function. The purpose of the __eabi() function is to set up the
runtime and is called first thing by main(). The runtime is already
set up for us prior to caling main, so there's nothing to do for
us in the EABI case.
This commit is contained in:
Marcel Moolenaar 2012-05-24 20:12:46 +00:00
parent 71aaa237f3
commit a4dcff16c8
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=235929
3 changed files with 35 additions and 1 deletions
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1
lib/libc/powerpc/Symbol.map
View File

@ -11,6 +11,7 @@ FBSD_1.0 {
/* PSEUDO syscalls */
_exit;
__eabi;
_mcount;
_setjmp;
_longjmp;

2
lib/libc/powerpc/gen/Makefile.inc
View File

@ -1,6 +1,6 @@
# $FreeBSD$
SRCS += _ctx_start.S fabs.S flt_rounds.c fpgetmask.c fpgetround.c \
SRCS += _ctx_start.S eabi.S fabs.S flt_rounds.c fpgetmask.c fpgetround.c \
fpgetsticky.c fpsetmask.c fpsetround.c getcontextx.c \
infinity.c ldexp.c makecontext.c _setjmp.S \
setjmp.S sigsetjmp.S signalcontext.c syncicache.c \

33
lib/libc/powerpc/gen/eabi.S Normal file
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@ -0,0 +1,33 @@
/*
* Copyright (c) 2011 Marcel Moolenaar
* 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.
*/
#include <machine/asm.h>
__FBSDID("$FreeBSD$");
ENTRY(__eabi)
blr
.section .note.GNU-stack,"",%progbits