Add `main` to proc_unix.odin

core/runtime/proc_unix.odin

@@ -1,17 +1,17 @@
 //+private
-//+build linux, darwin
+//+build linux, darwin, freebsd
 package runtime
 
 import "core:intrinsics"
 
 when ODIN_BUILD_MODE == "dynamic" {
-	@(link_name="_odin_entry_point", linkage="strong", require)
+	@(link_name="_odin_entry_point", linkage="strong", require, link_section=".init")
 	_odin_entry_point :: proc "c" () {
 		context = default_context()
 		#force_no_inline _startup_runtime()
 		intrinsics.__entry_point()
 	}
-	@(link_name="_odin_exit_point", linkage="strong", require)
+	@(link_name="_odin_exit_point", linkage="strong", require, link_section=".fini")
 	_odin_exit_point :: proc "c" () {
 		context = default_context()
 		#force_no_inline _cleanup_runtime()
@@ -20,4 +20,14 @@ when ODIN_BUILD_MODE == "dynamic" {
 	main :: proc "c" (argc: i32, argv: [^]cstring) -> i32 {
 		return 0
 	}
+} else when !ODIN_TEST && !ODIN_NO_ENTRY_POINT {
+	@(link_name="main", linkage="strong", require)
+	main :: proc "c" (argc: i32, argv: [^]cstring) -> i32 {
+		args__ = argv[:argc]
+		context = default_context()
+		#force_no_inline _startup_runtime()
+		intrinsics.__entry_point()
+		#force_no_inline _cleanup_runtime()
+		return 0
+	}
 }