[clr-interp] Fix cconv issue in InterpreterStub on linux-x64#120738
Merged
jkotas merged 1 commit intodotnet:mainfrom Oct 15, 2025
Merged
[clr-interp] Fix cconv issue in InterpreterStub on linux-x64#120738jkotas merged 1 commit intodotnet:mainfrom
jkotas merged 1 commit intodotnet:mainfrom
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It seems like this code was copied over from windows version, with minor oversight leading to passing first arg in rcx instead of rdi.
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Pull Request Overview
This PR fixes a calling convention issue in the InterpreterStub assembly code for linux-x64. The code was incorrectly using the Windows calling convention (passing the first argument in rcx) instead of the System V ABI calling convention used on Linux (passing the first argument in rdi).
Key Changes
- Updates the register used for the first function argument from
rcxtordiin the InterpreterStub assembly code - Aligns the code with the correct calling convention for linux-x64 platform
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Tagging subscribers to this area: @BrzVlad, @janvorli, @kg |
kg
approved these changes
Oct 15, 2025
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/ba-g recently fixed known issue #120577 |
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It seems like this code was copied over from windows version, with minor oversight leading to passing first arg in rcx instead of rdi.