54 lines
1.8 KiB
ArmAsm
54 lines
1.8 KiB
ArmAsm
/* Copyright (c) 2016 Phoenix Systems
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All rights reserved.
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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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THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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SUCH DAMAGE.*/
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.syntax unified
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.section .text, "ax"
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.global _start
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.global main
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.global exit
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.global environ
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.global __progname
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.align 4
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_start:
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/* Ignore return address passed on the top of stack. */
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pop {lr}
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ldmfd sp, {r0-r2}
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ldr r3, =environ
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ldr r4, =__progname
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ldr r5, [r1]
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str r2, [r3]
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str r5, [r4]
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/* Align stack. */
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bic sp, #0x00000007
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ldr lr, =main
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blx lr
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ldr lr, =exit
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blx lr
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.section .data
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__progname:
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.word 0 |