101 lines
3.9 KiB
ArmAsm
101 lines
3.9 KiB
ArmAsm
/* $NetBSD: _getsetc.S,v 1.2 2003/01/18 10:34:18 thorpej Exp $ */
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/*-
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* Copyright (c) 2001 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 Nathan J. Williams.
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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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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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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#undef GETC
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#undef SETC
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#define GETC \
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movl %edi, (UC_REGS + _REG_EDI * 4)(%ecx) ; \
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movl %esi, (UC_REGS + _REG_ESI * 4)(%ecx) ; \
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movl %ebp, (UC_REGS + _REG_EBP * 4)(%ecx) ; \
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movl %ebx, (UC_REGS + _REG_EBX * 4)(%ecx) ; \
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movl %edx, (UC_REGS + _REG_EIP * 4)(%ecx) ; \
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FPSAVE(%ecx) ; \
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movl $(_UC_USER | _UC_CPU | _UC_FPU),%eax ; \
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movl %eax, UC_FLAGS(%ecx)
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#define SETC \
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movl UC_FLAGS(%ecx), %eax ; \
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bt $_UC_USER_BIT, %eax ; \
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jnc 1f ; \
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; \
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FPLOAD(%ecx) ; \
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movl (UC_REGS + _REG_EDI * 4)(%ecx), %edi ; \
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movl (UC_REGS + _REG_ESI * 4)(%ecx), %esi ; \
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movl (UC_REGS + _REG_EBP * 4)(%ecx), %ebp ; \
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movl (UC_REGS + _REG_EBX * 4)(%ecx), %ebx ; \
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movl (UC_REGS + _REG_UESP * 4)(%ecx), %edx ; \
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movl (UC_REGS + _REG_EIP * 4)(%ecx), %eax ; \
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movl %eax, -4(%edx) ; \
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leal -4(%edx), %esp ; \
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ret ; \
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; \
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1: and $_UC_FPU, %eax ; \
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jz 2f ; \
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FPLOAD(%ecx) ; \
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2: movl (UC_REGS + _REG_GS * 4)(%ecx), %gs ; \
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movl (UC_REGS + _REG_FS * 4)(%ecx), %fs ; \
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movl (UC_REGS + _REG_ES * 4)(%ecx), %es ; \
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movl (UC_REGS + _REG_EDI * 4)(%ecx), %edi ; \
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movl (UC_REGS + _REG_ESI * 4)(%ecx), %esi ; \
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movl (UC_REGS + _REG_EBP * 4)(%ecx), %ebp ; \
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movl (UC_REGS + _REG_EBX * 4)(%ecx), %ebx ; \
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movl (UC_REGS + _REG_UESP * 4)(%ecx), %edx ; \
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movl (UC_REGS + _REG_CS * 4)(%ecx), %eax ; \
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mov %eax, -4(%edx) ; \
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movl (UC_REGS + _REG_EIP * 4)(%ecx), %eax ; \
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movl %eax, -8(%edx) ; \
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movl (UC_REGS + _REG_DS * 4)(%ecx), %eax ; \
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movl %eax, -12(%edx) ; \
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movl (UC_REGS + _REG_EDX * 4)(%ecx), %eax ; \
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movl %eax, -16(%edx) ; \
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movl (UC_REGS + _REG_ECX * 4)(%ecx), %eax ; \
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movl %eax, -20(%edx) ; \
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movl (UC_REGS + _REG_EAX * 4)(%ecx), %eax ; \
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movl %eax, -24(%edx) ; \
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movl (UC_REGS + _REG_EFL * 4)(%ecx), %eax ; \
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movl %eax, -28(%edx) ; \
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movl (UC_REGS + _REG_SS * 4)(%ecx), %ss ; \
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leal -28(%edx), %esp ; \
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popfl ; \
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popl %eax ; \
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popl %ecx ; \
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popl %edx ; \
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popl %ds ; \
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lret
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