From 206f96d474cb24cd8c00721b7ade96633b6b239f Mon Sep 17 00:00:00 2001
From: Koakuma <koachan@protonmail.com>
Date: Sat, 22 Aug 2020 14:35:03 +0700
Subject: [PATCH] Add sparc64 linux C ABI

---
 src/stage1/analyze.cpp | 5 +++--
 src/stage1/target.cpp  | 4 ++++
 src/stage1/target.hpp  | 1 +
 3 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/stage1/analyze.cpp b/src/stage1/analyze.cpp
index 04c064efe394a6be189047df5a26048a8f172494..d5f57aee815142f38724cb316be5907c5d47b861 100644
--- a/src/stage1/analyze.cpp
+++ b/src/stage1/analyze.cpp
@@ -1016,6 +1016,7 @@ bool want_first_arg_sret(CodeGen *g, FnTypeId *fn_type_id) {
         target_is_arm(g->zig_target) ||
         target_is_riscv(g->zig_target) ||
         target_is_wasm(g->zig_target) ||
+        target_is_sparc(g->zig_target) ||
         target_is_ppc(g->zig_target))
     {
         X64CABIClass abi_class = type_c_abi_x86_64_class(g, fn_type_id->return_type);
@@ -1988,7 +1989,7 @@ static ZigType *analyze_fn_type(CodeGen *g, AstNode *proto_node, Scope *child_sc
             // behaviour when checking expected alignment with `@ptrToInt(fn_ptr)`
             // or similar. This commit proposes to make `align` expressions a
             // compile error when compiled to Wasm architecture.
-            // 
+            //
             // Some references:
             // [1] [Mozilla: WebAssembly Tables](https://developer.mozilla.org/en-US/docs/WebAssembly/Understanding_the_text_format#WebAssembly_tables)
             // [2] [Sunfishcode's Wasm Ref Manual](https://github.com/sunfishcode/wasm-reference-manual/blob/master/WebAssembly.md#indirect-call)
@@ -9044,7 +9045,7 @@ static void resolve_llvm_types_optional(CodeGen *g, ZigType *type, ResolveStatus
                 8 * child_type->abi_align,
                 val_offset_in_bits,
                 ZigLLVM_DIFlags_Zero, child_llvm_di_type);
-    di_element_types[maybe_null_index] = 
+    di_element_types[maybe_null_index] =
         ZigLLVMCreateDebugMemberType(g->dbuilder, ZigLLVMTypeToScope(type->llvm_di_type),
                 "maybe", di_file, line,
                 8*g->builtin_types.entry_bool->abi_size,
diff --git a/src/stage1/target.cpp b/src/stage1/target.cpp
index 433c988a01eb47231c05386f1122d59ea45d500d..f10e95d04ca3e811c990ab810b91d3076060b8b8 100644
--- a/src/stage1/target.cpp
+++ b/src/stage1/target.cpp
@@ -1196,6 +1196,10 @@ bool target_is_riscv(const ZigTarget *target) {
     return target->arch == ZigLLVM_riscv32 || target->arch == ZigLLVM_riscv64;
 }
 
+bool target_is_sparc(const ZigTarget *target) {
+    return target->arch == ZigLLVM_sparc || target->arch == ZigLLVM_sparcv9;
+}
+
 bool target_is_mips(const ZigTarget *target) {
     return target->arch == ZigLLVM_mips || target->arch == ZigLLVM_mipsel ||
         target->arch == ZigLLVM_mips64 || target->arch == ZigLLVM_mips64el;
diff --git a/src/stage1/target.hpp b/src/stage1/target.hpp
index d34c2aeae50da1897383f6ca09e606e1c42a994c..099c3c1e7898526b57754bed8af112c368fc793f 100644
--- a/src/stage1/target.hpp
+++ b/src/stage1/target.hpp
@@ -86,6 +86,7 @@ bool target_is_glibc(const ZigTarget *target);
 bool target_is_musl(const ZigTarget *target);
 bool target_is_wasm(const ZigTarget *target);
 bool target_is_riscv(const ZigTarget *target);
+bool target_is_sparc(const ZigTarget *target);
 bool target_is_android(const ZigTarget *target);
 bool target_has_debug_info(const ZigTarget *target);
 const char *target_arch_musl_name(ZigLLVM_ArchType arch);
-- 
2.54.0