From 6944f61721b0336ddcac1f5f596640375eb36a29 Mon Sep 17 00:00:00 2001
From: Felipe Pena <felipensp@gmail.com>
Date: Sun, 5 May 2024 19:30:11 -0300
Subject: [PATCH] all: add @[_linker_section] for global variable

---
 vlib/v/checker/checker.v | 8 ++++++++
 vlib/v/gen/c/cgen.v      | 3 +++
 2 files changed, 11 insertions(+)

diff --git a/vlib/v/checker/checker.v b/vlib/v/checker/checker.v
index 82a9538a333208..6b9fab0c77597b 100644
--- a/vlib/v/checker/checker.v
+++ b/vlib/v/checker/checker.v
@@ -2240,6 +2240,14 @@ fn (mut c Checker) branch_stmt(node ast.BranchStmt) {
 }
 
 fn (mut c Checker) global_decl(mut node ast.GlobalDecl) {
+	required_args_attr := ['_linker_section']
+	for attr_name in required_args_attr {
+		if attr := node.attrs.find_first(attr_name) {
+			if attr.arg == '' {
+				c.error('missing argument for @[${attr_name}] attribute', attr.pos)
+			}
+		}
+	}
 	for mut field in node.fields {
 		c.check_valid_snake_case(field.name, 'global name', field.pos)
 		if field.name in c.global_names {
diff --git a/vlib/v/gen/c/cgen.v b/vlib/v/gen/c/cgen.v
index 63886b5add11e5..076aec56d7ad07 100644
--- a/vlib/v/gen/c/cgen.v
+++ b/vlib/v/gen/c/cgen.v
@@ -6095,6 +6095,9 @@ fn (mut g Gen) global_decl(node ast.GlobalDecl) {
 	if node.attrs.contains('export') {
 		attributes += 'VV_EXPORTED_SYMBOL '
 	}
+	if attr := node.attrs.find_first('_linker_section') {
+		attributes += '__attribute__ ((section ("${attr.arg}"))) '
+	}
 	for field in node.fields {
 		if g.pref.skip_unused {
 			if field.name !in g.table.used_globals {