Use the new abi-cafe-rules.toml support

Author: bjorn3

build_system/abi_cafe.rs

@@ -46,6 +46,8 @@ pub(crate) fn run(
     let mut cmd = ABI_CAFE.run(bootstrap_host_compiler, dirs);
     cmd.arg("--");
 
+    cmd.arg("--rules").arg(dirs.source_dir.join("scripts/abi-cafe-rules.toml"));
+
     // stdcall, vectorcall and such don't work yet
     cmd.arg("--conventions").arg("c").arg("--conventions").arg("rust");
 

patches/0002-abi-cafe-Disable-broken-tests.patch

@@ -0,0 +1,24 @@
+From 236df390f3bc4ed69c26f4d51d584bea246da886 Mon Sep 17 00:00:00 2001
+From: bjorn3 <[email protected]>
+Date: Tue, 9 Jul 2024 11:25:14 +0000
+Subject: [PATCH] Enable debuginfo
+
+---
+ src/toolchains/rust.rs | 1 +
+ 1 file changed, 1 insertions(+)
+
+diff --git a/src/toolchains/rust.rs b/src/toolchains/rust.rs
+index 0c50f7a..bfde2b1 100644
+--- a/src/toolchains/rust.rs
++++ b/src/toolchains/rust.rs
+@@ -83,6 +83,7 @@ impl Toolchain for RustcToolchain {
+             .arg(out_dir)
+             .arg("--target")
+             .arg(&self.platform_info.target)
++            .arg("-g")
+             .arg(format!("-Cmetadata={lib_name}"))
+             .arg(src_path);
+         if let Some(codegen_backend) = &self.codegen_backend {
+-- 
+2.34.1
+

patches/0002-abi-cafe-Enable-debuginfo.patch

@@ -0,0 +1,17 @@
+[target.'cfg(all(target_arch = "aarch64", target_os = "linux"))']
+'F32Array::conv_c'.busted = "check"
+
+[target.'cfg(all(target_arch = "aarch64", target_os = "macos"))']
+'SingleVariantUnion::conv_c::repr_c'.busted = "check"
+'OptionU128::conv_rust::repr_c::rustc_caller'.busted = "run"
+'OptionU128::conv_rust::repr_c::cgclif_caller'.busted = "check"
+
+[target.'cfg(all(target_arch = "x86_64", windows))']
+'simple::conv_rust'.busted = "check"
+'simple::conv_rust::rustc_caller'.busted = "run"
+
+[target.'*'.'f16']
+run = "skip"
+
+[target.'*'.'f128']
+run = "skip"