rizinorg/cutter

Calling Conventions

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#3,513 opened on Aug 28, 2025

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Enhancementgood first issuerizin

Description

Is your feature request related to a problem? Please describe.

I think it can be nice to be able to change the calling conventions of functions, I got stuck because the disassembled calling convention was wrong, i had to double check with Ghidra.

Describe the solution you'd like

Just being able to right click on the calling convention and change it, then the disassembled output adapt to it.

Describe alternatives you've considered

I don't think there is except using another RE tool to double check.

Additional context

While reversing a DLL I got some problems because I was calling a function with the wrong calling convention (Screenshot 1: Cutter 2.4.1-HEAD-a5f88d1, Disassembler set on Ghidra) image

But when I open the file with Ghidra it's not the same calling convention: image

Contributor guide

Tech stack
cpp
Domain
desktopsecurity
Issue type
feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-2 days
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
clear
Prerequisites
Familiarity with Cutter GUIUnderstanding of calling conventions
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
40
Research direction
Investigate how Cutter displays disassembly and handles calling conventions. Look at existing GUI components for function analysis, possibly in `src/plugins/` or `src/widgets/`. Check how Ghidra compares its calling convention detection. Review any existing feature requests or discussions in the issue comments.