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@ *****************************************************************
@
@ The Compcert verified compiler
@
@ Xavier Leroy, INRIA Paris-Rocquencourt
@
@ Copyright (c) 2013 Institut National de Recherche en Informatique et
@ en Automatique.
@
@ Redistribution and use in source and binary forms, with or without
@ modification, are permitted provided that the following conditions are met:
@ * Redistributions of source code must retain the above copyright
@ notice, this list of conditions and the following disclaimer.
@ * 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.
@ * Neither the name of the <organization> 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 COPYRIGHT HOLDERS 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 <COPYRIGHT
@ HOLDER> 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.
@
@ *********************************************************************
@ Helper functions for variadic functions <stdarg.h>. ARM version
#include "sysdeps.h"
@ typedef void * va_list;
@ unsigned int __compcert_va_int32(va_list * ap);
@ unsigned long long __compcert_va_int64(va_list * ap);
@ double __compcert_va_float64(va_list * ap);
FUNCTION(__compcert_va_int32)
@ r0 = ap parameter
ldr r1, [r0, #0] @ r1 = pointer to next argument
ADD r1, r1, #4 @ advance ap by 4
str r1, [r0, #0]
ldr r0, [r1, #-4] @ load next argument and return it in r0
bx lr
ENDFUNCTION(__compcert_va_int32)
FUNCTION(__compcert_va_int64)
@ r0 = ap parameter
ldr r1, [r0, #0] @ r1 = pointer to next argument
ADD r1, r1, #15 @ 8-align and advance by 8
BIC r1, r1, #7
str r1, [r0, #0] @ update ap
ldr r0, [r1, #-8] @ load next argument and return it in r0,r1
ldr r1, [r1, #-4]
bx lr
ENDFUNCTION(__compcert_va_int64)
FUNCTION(__compcert_va_float64)
@ r0 = ap parameter
ldr r1, [r0, #0] @ r1 = pointer to next argument
ADD r1, r1, #15 @ 8-align and advance by 8
BIC r1, r1, #7
str r1, [r0, #0] @ update ap
#ifdef ABI_eabi
ldr r0, [r1, #-8] @ load next argument and return it in r0,r1
ldr r1, [r1, #-4]
#else
vldr d0, [r1, #-8] @ load next argument and return it in d0
#endif
bx lr
ENDFUNCTION(__compcert_va_float64)
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