Tool Comparison: Difference between revisions
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GNU Assembler supports 16bit instructions. |
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This is a comparison of various osdev tools |
This is a comparison of various osdev tools |
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==Assemblers== |
==x86 Assemblers== |
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{| {{wikitable}} |
{| {{wikitable}} |
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|- |
|- |
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! |
! |
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! colspan="2" | Syntax |
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| ⚫ | |||
! colspan="3" | Output Format |
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| ⚫ | |||
! colspan="3" | Instruction Set |
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|- |
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! |
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| ⚫ | |||
| ⚫ | |||
! elf |
! elf |
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! a.out |
! a.out |
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! flat |
! flat |
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! 16 bit |
! 16 bit |
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! 32 bit |
! 32 bit |
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! 64 bit |
! 64 bit |
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|- |
|- |
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! [[gas]] |
! [[gas]] |
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Revision as of 06:34, 1 December 2006
This is a comparison of various osdev tools
x86 Assemblers
| Syntax | Output Format | Instruction Set | ||||||
|---|---|---|---|---|---|---|---|---|
| AT&T | Intel | elf | a.out | flat | 16 bit | 32 bit | 64 bit | |
| gas | Yes | YesTemplate:Ref | Yes | Yes | Yes | YesTemplate:Ref | Yes | YesTemplate:Ref |
| NASM | No | Yes | Yes | Yes | Yes | Yes | Yes | No |
| Yasm | Yes | Yes | Yes | No | Yes | Yes | Yes | Yes |
| fasm | No | Yes | Yes | No | Yes | Yes | Yes | Yes |
Template:Note using .intel_syntax directive
Template:Note While GAS normally writes only "pure" 32-bit i386 code, it has limited support for writing code to run in real mode or in 16-bit protected mode code segments. See [Here]
Template:Note You have to choose the instruction set at compile time. GAS can not assemble for more than one operating mode at a time