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| author | Philip Herron <philip.herron@embecosm.com> | 2021-07-27 14:33:52 +0100 |
|---|---|---|
| committer | Philip Herron <philip.herron@embecosm.com> | 2021-07-27 14:33:52 +0100 |
| commit | 7f8adccb5056152edc4aacf08ce2ed040f076171 (patch) | |
| tree | fa41b5f161823fe6b43413370422f25414f8fcaa /gcc/rust/backend | |
| parent | 2818017d36f5c6279a2372b0a8efbe1f17b3f374 (diff) | |
| download | gcc-7f8adccb5056152edc4aacf08ce2ed040f076171.zip gcc-7f8adccb5056152edc4aacf08ce2ed040f076171.tar.gz gcc-7f8adccb5056152edc4aacf08ce2ed040f076171.tar.bz2 | |
Add support for varadic extern "c" functions like printf
Varadic functions are only allowed in extern functions as far as I know.
Diffstat (limited to 'gcc/rust/backend')
| -rw-r--r-- | gcc/rust/backend/rust-compile-context.h | 11 | ||||
| -rw-r--r-- | gcc/rust/backend/rust-compile-extern.h | 6 | ||||
| -rw-r--r-- | gcc/rust/backend/rust-compile-tyty.h | 12 |
3 files changed, 19 insertions, 10 deletions
diff --git a/gcc/rust/backend/rust-compile-context.h b/gcc/rust/backend/rust-compile-context.h index bb4f0ab..0aaf084 100644 --- a/gcc/rust/backend/rust-compile-context.h +++ b/gcc/rust/backend/rust-compile-context.h @@ -371,9 +371,14 @@ public: parameters.push_back (compiled_param); } - translated = ctx->get_backend ()->function_type ( - receiver, parameters, results, NULL, - ctx->get_mappings ()->lookup_location (type.get_ref ())); + if (!type.is_varadic ()) + translated = ctx->get_backend ()->function_type ( + receiver, parameters, results, NULL, + ctx->get_mappings ()->lookup_location (type.get_ref ())); + else + translated = ctx->get_backend ()->function_type_varadic ( + receiver, parameters, results, NULL, + ctx->get_mappings ()->lookup_location (type.get_ref ())); } void visit (TyTy::FnPtr &type) override diff --git a/gcc/rust/backend/rust-compile-extern.h b/gcc/rust/backend/rust-compile-extern.h index 1eba011..a0ad200 100644 --- a/gcc/rust/backend/rust-compile-extern.h +++ b/gcc/rust/backend/rust-compile-extern.h @@ -51,10 +51,8 @@ public: rust_assert (ok); std::string name = item.get_item_name (); - - // FIXME - // this is assuming C ABI - std::string asm_name = "_" + name; + // FIXME this is assuming C ABI + std::string asm_name = name; Btype *type = TyTyResolveCompile::compile (ctx, resolved_type); bool is_external = true; diff --git a/gcc/rust/backend/rust-compile-tyty.h b/gcc/rust/backend/rust-compile-tyty.h index 2d0856d..3ddc29a 100644 --- a/gcc/rust/backend/rust-compile-tyty.h +++ b/gcc/rust/backend/rust-compile-tyty.h @@ -95,9 +95,15 @@ public: parameters.push_back (compiled_param); } - translated - = backend->function_type (receiver, parameters, results, NULL, - mappings->lookup_location (type.get_ref ())); + if (!type.is_varadic ()) + translated + = backend->function_type (receiver, parameters, results, NULL, + mappings->lookup_location (type.get_ref ())); + else + translated + = backend->function_type_varadic (receiver, parameters, results, NULL, + mappings->lookup_location ( + type.get_ref ())); } void visit (TyTy::BoolType &) override |