From 9654a54d4a2729200d38dbb6eec827cb03dc0f90 Mon Sep 17 00:00:00 2001
From: Takeshi Yoneda <takeshi@tetrate.io>
Date: Fri, 24 Sep 2021 22:14:53 +0900
Subject: Add Visibility field to ExportOptions.

Signed-off-by: Takeshi Yoneda <takeshi@tetrate.io>
---
 src/codegen/llvm.zig          | 5 +++++
 src/codegen/llvm/bindings.zig | 9 +++++++++
 2 files changed, 14 insertions(+)

(limited to 'src/codegen')

diff --git a/src/codegen/llvm.zig b/src/codegen/llvm.zig
index 57bcbe9338..5e70710046 100644
--- a/src/codegen/llvm.zig
+++ b/src/codegen/llvm.zig
@@ -808,6 +808,11 @@ pub const Object = struct {
                 .Weak => llvm_global.setLinkage(.WeakODR),
                 .LinkOnce => llvm_global.setLinkage(.LinkOnceODR),
             }
+            switch (exports[0].options.visibility) {
+                .default => llvm_global.setVisibility(.Default),
+                .hidden => llvm_global.setVisibility(.Hidden),
+                .protected => llvm_global.setVisibility(.Protected),
+            }
             if (decl.val.castTag(.variable)) |variable| {
                 if (variable.data.is_threadlocal) {
                     llvm_global.setThreadLocalMode(.GeneralDynamicTLSModel);
diff --git a/src/codegen/llvm/bindings.zig b/src/codegen/llvm/bindings.zig
index c70a7d1553..f3987a8665 100644
--- a/src/codegen/llvm/bindings.zig
+++ b/src/codegen/llvm/bindings.zig
@@ -117,6 +117,9 @@ pub const Value = opaque {
     pub const setLinkage = LLVMSetLinkage;
     extern fn LLVMSetLinkage(Global: *const Value, Linkage: Linkage) void;
 
+    pub const setVisibility = LLVMSetVisibility;
+    extern fn LLVMSetVisibility(Global: *const Value, Linkage: Visibility) void;
+
     pub const setUnnamedAddr = LLVMSetUnnamedAddr;
     extern fn LLVMSetUnnamedAddr(Global: *const Value, HasUnnamedAddr: Bool) void;
 
@@ -1324,6 +1327,12 @@ pub const Linkage = enum(c_uint) {
     LinkerPrivateWeak,
 };
 
+pub const Visibility = enum(c_uint) {
+    Default,
+    Hidden,
+    Protected,
+};
+
 pub const ThreadLocalMode = enum(c_uint) {
     NotThreadLocal,
     GeneralDynamicTLSModel,
-- 
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