Forcing Intel syntax for inline assembly in BOFs

The-Z-Labs · Dec 17, 2024 · 8c926e5 · 8c926e5
1 parent dcb3c86
commit 8c926e5
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Showing 2 changed files with 6 additions and 1 deletion.
diff --git a/bofs/build.zig b/bofs/build.zig
@@ -166,7 +166,10 @@ pub fn build(
                         });
                         obj.addCSourceFile(.{
                             .file = .{ .cwd_relative = source_file_path },
-                            .flags = &.{ "-DBOF", "-D_GNU_SOURCE" },
+                            .flags = &.{ "-DBOF", "-D_GNU_SOURCE",
+                                if (arch == .x86 or arch == .x64) "-include" ++ thisDir() ++ "/src/force_intel_asm.h" else "",
+                                if (arch == .x86) "-DWOW64" else ""
+                             },
                         });
                         if (format == .coff) {
                             obj.addIncludePath(.{ .cwd_relative = windows_include_dir });

diff --git a/bofs/src/force_intel_asm.h b/bofs/src/force_intel_asm.h
@@ -0,0 +1,2 @@
+#pragma once
+__asm__(".intel_syntax");