f5cfab17d6
. ldivmod, uldivmod were passing the modulo argument pointer in R4, which is bogus, as qdivrem expects it on the stack as per the EABI, causing essentially 'random' memory to be trampled by qdivrem. fix by pushing R4 before the call. . also add these functions to -minc so -lminc clients can be linked without -lgcc Change-Id: I90b0b28b51a188c93da5de6afb108224749ea794
53 lines
2 KiB
ArmAsm
53 lines
2 KiB
ArmAsm
/*-
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* Copyright (c) 2012 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Matt Thomas of 3am Software Foundry.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <machine/asm.h>
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RCSID("$NetBSD: __aeabi_uldivmod.S,v 1.2 2012/08/05 06:34:09 matt Exp $")
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/*
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* typedef struct { unsigned long long quo, rem } ulldiv_t;
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* __value_in_regs ulldiv_t __aeabi_uldivmod(unsigned long long n,
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* unsigned long long d);
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*/
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ENTRY(__aeabi_uldivmod)
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push {r4,lr}
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sub sp, sp, #8
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mov r4, sp
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push {r4}
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bl PLT_SYM(__qdivrem)
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add sp, sp, #4
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/*
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* The remainder is already on the stack just waiting to be popped
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* into r2/r3.
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*/
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pop {r2-r4,lr}
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RET
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END(__aeabi_uldivmod)
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