e604858411as part of the process of not having to think about it anymore now that it has served its purpose Force-Push: yes Change-Id: I8f39548fcd3aa08e6415a82b8b7452620ba9c0e5
29 lines
694 B
NASM
29 lines
694 B
NASM
/*
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* This file was a very early example, written by consulting [1]. It was
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* useful primarily to see how the GNU assembler handles these opcodes, to
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* better understand the encoding.
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*
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* [1] https://www.muppetlabs.com/~breadbox/software/tiny/teensy.html
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*
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*
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* gcc -o exit-code -nostartfiles -nostdlib exit-code.gnu.asm && ./exit-code ; echo $?
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*
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* or
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*
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* as -o exit-code.o exit-code.gnu.asm && ld -s -o exit-code exit-code.o && ./exit-code; echo $?
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*
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* Can't use nasm, nasm is 32-bit only.
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*
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* Since you get a nice clean file, you can then do:
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*
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* objdump --disassemble exit-code
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*/
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.text
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.global _start
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_start:
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mov $60, %eax
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mov $42, %edi
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syscall
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