#------------------------------------------------------------------------------ | |
# | |
# Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR> | |
# This program and the accompanying materials | |
# are licensed and made available under the terms and conditions of the BSD License | |
# which accompanies this distribution. The full text of the license may be found at | |
# http://opensource.org/licenses/bsd-license.php. | |
# | |
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, | |
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. | |
# | |
# Module Name: | |
# | |
# MathReminderU64x64.S | |
# | |
# Abstract: | |
# | |
# 64-bit Math Worker Function. | |
# Divides a 64-bit unsigned value by another 64-bit unsigned value and returns | |
# the 64-bit unsigned remainder | |
# | |
#------------------------------------------------------------------------------ | |
.686: | |
.code: | |
ASM_GLOBAL ASM_PFX(__umoddi3), ASM_PFX(DivU64x64Remainder) | |
#------------------------------------------------------------------------------ | |
# | |
# void __cdecl __umoddi3 (void) | |
# | |
#------------------------------------------------------------------------------ | |
ASM_PFX(__umoddi3): | |
# Original local stack when calling __umoddi3 | |
# ----------------- | |
# | | | |
# |---------------| | |
# | | | |
# |-- Divisor --| | |
# | | | |
# |---------------| | |
# | | | |
# |-- Dividend --| | |
# | | | |
# |---------------| | |
# | ReturnAddr** | | |
# ESP---->|---------------| | |
# | |
# | |
# Set up the local stack for Reminder pointer | |
# | |
sub $8, %esp | |
push %esp | |
# | |
# Set up the local stack for Divisor parameter | |
# | |
movl 28(%esp), %eax | |
push %eax | |
movl 28(%esp), %eax | |
push %eax | |
# | |
# Set up the local stack for Dividend parameter | |
# | |
movl 28(%esp), %eax | |
push %eax | |
movl 28(%esp), %eax | |
push %eax | |
# | |
# Call native DivU64x64Remainder of BaseLib | |
# | |
jmp ASM_PFX(DivU64x64Remainder) | |
# | |
# Put the Reminder in EDX:EAX as return value | |
# | |
movl 20(%esp), %eax | |
movl 24(%esp), %edx | |
# | |
# Adjust stack | |
# | |
add $28, %esp | |
ret $16 |