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Merge pull request #65002 from matthewbauer/binfmt-wasm

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Add binfmt interpreter for wasm
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Matthew Bauer 2019-08-09 14:04:21 -04:00 committed by GitHub
commit ddf38a8241
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2 changed files with 18 additions and 0 deletions
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9
nixos/doc/manual/release-notes/rl-1909.xml
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@ -33,6 +33,15 @@
PHP 7.1 is no longer supported due to upstream not supporting this version for the entire lifecycle of the 19.09 release.
</para>
</listitem>
<listitem>
<para>
The binfmt module is now easier to use. Additional systems can
be added through <option>boot.binfmt.emulatedSystems</option>.
For instance, <literal>boot.binfmt.emulatedSystems = [
"wasm32-wasi" "x86_64-windows" "aarch64-linux" ];</literal> will
set up binfmt interpreters for each of those listed systems.
</para>
</listitem>
</itemizedlist>
</section>

9
nixos/modules/system/boot/binfmt.nix
View File

@ -115,6 +115,14 @@ let
magicOrExtension = ''\x7fELF\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\xf3\x00'';
mask = ''\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff'';
};
wasm32-wasi = {
magicOrExtension = ''\x00asm'';
mask = ''\xff\xff\xff\xff'';
};
wasm64-wasi = {
magicOrExtension = ''\x00asm'';
mask = ''\xff\xff\xff\xff'';
};
x86_64-windows = {
magicOrExtension = ".exe";
recognitionType = "extension";
@ -226,6 +234,7 @@ in {
emulatedSystems = mkOption {
default = [];
example = [ "wasm32-wasi" "x86_64-windows" "aarch64-linux" ];
description = ''
List of systems to emulate. Will also configure Nix to
support your new systems.