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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>. IA32 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)
movl 4(%esp), %ecx // %ecx = ap parameter
movl 0(%ecx), %edx // %edx = current argument pointer
movl 0(%edx), %eax // load the int32 value there
addl $4, %edx // increment argument pointer by 4
movl %edx, 0(%ecx)
ret
ENDFUNCTION(__compcert_va_int32)
FUNCTION(__compcert_va_int64)
movl 4(%esp), %ecx // %ecx = ap parameter
movl 0(%ecx), %edx // %edx = current argument pointer
movl 0(%edx), %eax // load the int64 value there
movl 4(%edx), %edx
addl $8, 0(%ecx) // increment argument pointer by 8
ret
ENDFUNCTION(__compcert_va_int64)
FUNCTION(__compcert_va_float64)
movl 4(%esp), %ecx // %ecx = ap parameter
movl 0(%ecx), %edx // %edx = current argument pointer
fldl 0(%edx) // load the float64 value there
addl $8, %edx // increment argument pointer by 8
movl %edx, 0(%ecx)
ret
ENDFUNCTION(__compcert_va_float64)
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