nix: cross-platform syscall wrapper

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-07-07 04:22:55 +09:00
parent 356b42a406
commit 72c2b66fc0
1 changed files with 17 additions and 11 deletions
--- a/flake.nix
+++ b/flake.nix
@@ -185,15 +185,21 @@
              '';
            };

-          generateSyscallTable = pkgs.mkShell {
-            # this should be made cross-platform via nix
+          generateSyscallTable =
+            let
+              GOARCH = {
+                x86_64-linux = "amd64";
+                aarch64-linux = "arm64";
+              };
+            in
+            pkgs.mkShell {
              shellHook = "exec ${pkgs.writeShellScript "generate-syscall-table" ''
                set -e
                ${pkgs.perl}/bin/perl \
-                sandbox/seccomp/mksysnum_linux.pl \
+                  container/seccomp/mksysnum_linux.pl \
                  ${pkgs.linuxHeaders}/include/asm/unistd_64.h | \
                  ${pkgs.go}/bin/gofmt > \
-                sandbox/seccomp/syscall_linux_amd64.go
+                  container/seccomp/syscall_linux_${GOARCH.${system}}.go
              ''}";
            };
        }