Tool Comparison: Difference between revisions
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(Yasm supports 16bit/32bit & 64bit instructions.) |
(GNU Assembler supports 16bit instructions.) |
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| {{Yes}}{{ref|2}} |
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! [[NASM]] |
! [[NASM]] |
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{{note|1}} using .intel_syntax directive |
{{note|1}} using .intel_syntax directive |
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{{note|2}} 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 [[http://www.gnu.org/software/binutils/manual/gas-2.9.1/html_chapter/as_16.html#SEC205 Here]] |
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Revision as of 21:37, 30 November 2006
This is a comparison of various osdev tools
Assemblers
| AT&T syntax | Intel syntax | elf | a.out | flat | 16 bit instructions | 32 bit instructions | 64 bit instructions | |
|---|---|---|---|---|---|---|---|---|
| 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