From 7c26cd218de85dca14a1c81b86e9d143626ce036 Mon Sep 17 00:00:00 2001
From: Christian Poveda Ruiz <31802960+pvdrz@users.noreply.github.com>
Date: Fri, 4 Nov 2022 10:19:28 -0500
Subject: Add support for the `"C-unwind"` ABI (#2334)

* Add support for the `"C-unwind"` ABI

This allows using `"C-unwind"` as an ABI override if the rust target is
nightly.
---
 bindgen/codegen/mod.rs | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'bindgen/codegen/mod.rs')

diff --git a/bindgen/codegen/mod.rs b/bindgen/codegen/mod.rs
index 4e90102d..d0c19136 100644
--- a/bindgen/codegen/mod.rs
+++ b/bindgen/codegen/mod.rs
@@ -2483,6 +2483,9 @@ impl MethodCodegen for Method {
             ClangAbi::Known(Abi::Vectorcall) => {
                 ctx.options().rust_features().vectorcall_abi
             }
+            ClangAbi::Known(Abi::CUnwind) => {
+                ctx.options().rust_features().c_unwind_abi
+            }
             _ => true,
         };
 
@@ -4009,6 +4012,12 @@ impl TryToRustTy for FunctionSig {
                 warn!("Skipping function with vectorcall ABI that isn't supported by the configured Rust target");
                 Ok(proc_macro2::TokenStream::new())
             }
+            ClangAbi::Known(Abi::CUnwind)
+                if !ctx.options().rust_features().c_unwind_abi =>
+            {
+                warn!("Skipping function with C-unwind ABI that isn't supported by the configured Rust target");
+                Ok(proc_macro2::TokenStream::new())
+            }
             _ => Ok(quote! {
                 unsafe extern #abi fn ( #( #arguments ),* ) #ret
             }),
@@ -4120,6 +4129,12 @@ impl CodeGenerator for Function {
                 warn!("Skipping function with vectorcall ABI that isn't supported by the configured Rust target");
                 return None;
             }
+            ClangAbi::Known(Abi::CUnwind)
+                if !ctx.options().rust_features().c_unwind_abi =>
+            {
+                warn!("Skipping function with C-unwind ABI that isn't supported by the configured Rust target");
+                return None;
+            }
             ClangAbi::Known(Abi::Win64) if signature.is_variadic() => {
                 warn!("Skipping variadic function with Win64 ABI that isn't supported");
                 return None;
-- 
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