Asking for help with assembly. (hexbear.net)

submitted 1 month ago* (last edited 1 month ago) by Tomorrow_Farewell@hexbear.net to c/technology@hexbear.net

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I am trying to re-learn assembly. I have been trying to find a tutorial for assembling a program using NASM on Windows, on a CPU with the x86_64 architecture. I have been unable to make any of the provided examples work.

I am asking to be provided:

A piece of code to assemble. The resulting program should output a message into the CLI.
CLI commands to make an object file and to do linkage of that into an executable file.

This should preferably be done using NASM, on Windows, on x86_64 architecture, but I'm at my wit's end at this point, so I guess I will be fine with another assembler.

I intend to analyze the example and to use this as a starting point in my process of getting back into assembly.

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[-] Speaker@hexbear.net 3 points 1 month ago

https://labs.bilimedtech.com/nasm/windows-install/3.html

[-] Tomorrow_Farewell@hexbear.net 1 points 1 month ago

Sadly, this doesn't work. When trying to link the object file, I get a bunch of errors:

i386 architecture of input file `test.obj' is incompatible with i386:x86-64 output
test.obj:test.asm:(.text+0x6): undefined reference to `_printf'
undefined reference to `WinMain'
collect2.exe: error: ld returned 1 exit status

I currently do not have the time to debug this.

this post was submitted on 20 Oct 2024

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