From 4f77ad5d019618893c59a0f8d5bfa6b98e50a3be Mon Sep 17 00:00:00 2001
From: Eugen Wissner <belka@caraus.de>
Date: Tue, 18 Aug 2026 13:31:47 +0200
Subject: Make Int and Word aliases to fixed-size types

---
 gcc/gcc/elna-builtins.cc |  6 +++++-
 gcc/gcc/elna-generic.cc  |  4 ++--
 gcc/gcc/elna-tree.cc     | 15 ++++++++-------
 3 files changed, 15 insertions(+), 10 deletions(-)

(limited to 'gcc')

diff --git a/gcc/gcc/elna-builtins.cc b/gcc/gcc/elna-builtins.cc
index 4f3db65..95ffb2f 100644
--- a/gcc/gcc/elna-builtins.cc
+++ b/gcc/gcc/elna-builtins.cc
@@ -66,7 +66,11 @@ namespace elna::gcc
     {
         elna_int_type_node = ptrdiff_type_node;
         elna_word_type_node = size_type_node;
-        elna_char_type_node = unsigned_char_type_node;
+
+        constexpr int char_bit_size = 32;
+        elna_char_type_node = make_unsigned_type(char_bit_size);
+        TYPE_STRING_FLAG(elna_char_type_node) = 1;
+
         elna_pointer_type_node = ptr_type_node;
         elna_float_type_node = double_type_node;
 
diff --git a/gcc/gcc/elna-generic.cc b/gcc/gcc/elna-generic.cc
index 5230196..323ec09 100644
--- a/gcc/gcc/elna-generic.cc
+++ b/gcc/gcc/elna-generic.cc
@@ -262,7 +262,7 @@ namespace elna::gcc
         {
             tree declaration_type = build_function_type_list(elna_int_type_node,
                     elna_int_type_node,
-                    build_pointer_type(build_pointer_type(elna_char_type_node)),
+                    build_pointer_type(build_pointer_type(unsigned_intQI_type_node)),
                     NULL_TREE);
             tree fndecl = build_fn_decl("main", declaration_type);
 
@@ -510,7 +510,7 @@ namespace elna::gcc
         this->current_expression = constant_to_tree(boot::constant_value{ boolean->value }, this->symbols);
     }
 
-    void generic_visitor::visit(boot::literal<unsigned char> *character)
+    void generic_visitor::visit(boot::literal<std::uint32_t> *character)
     {
         this->current_expression = constant_to_tree(boot::constant_value{ character->value }, this->symbols);
     }
diff --git a/gcc/gcc/elna-tree.cc b/gcc/gcc/elna-tree.cc
index 255cf60..5284e42 100644
--- a/gcc/gcc/elna-tree.cc
+++ b/gcc/gcc/elna-tree.cc
@@ -288,9 +288,9 @@ namespace elna::gcc
         {
             return std::get<bool>(constant_value) ? boolean_true_node : boolean_false_node;
         }
-        else if (std::holds_alternative<unsigned char>(constant_value))
+        else if (std::holds_alternative<std::uint32_t>(constant_value))
         {
-            return build_int_cstu(elna_char_type_node, std::get<unsigned char>(constant_value));
+            return build_int_cstu(elna_char_type_node, std::get<std::uint32_t>(constant_value));
         }
         else if (std::holds_alternative<std::nullptr_t>(constant_value))
         {
@@ -300,7 +300,11 @@ namespace elna::gcc
         {
             const auto& string_value = std::get<std::string>(constant_value);
             tree index_constant = build_int_cstu(elna_word_type_node, string_value.size());
-            tree char_array_type = build_array_type(elna_char_type_node, build_index_type(index_constant));
+
+            tree ptr_field = TYPE_FIELDS(type);
+            tree ptr_type = TREE_TYPE(ptr_field);
+            tree element_type = TYPE_MAIN_VARIANT(TREE_TYPE(ptr_type));
+            tree char_array_type = build_array_type(element_type, build_index_type(index_constant));
 
             tree string_literal = build_string(string_value.size(), string_value.c_str());
             TREE_TYPE(string_literal) = char_array_type;
@@ -308,10 +312,7 @@ namespace elna::gcc
             TREE_READONLY(string_literal) = 1;
             TREE_STATIC(string_literal) = 1;
 
-            tree ptr_field = TYPE_FIELDS(type);
-
-            tree ptr_type = TREE_TYPE(ptr_field);
-            string_literal = build4(ARRAY_REF, elna_char_type_node,
+            string_literal = build4(ARRAY_REF, element_type,
                     string_literal, integer_zero_node, NULL_TREE, NULL_TREE);
             string_literal = build1(ADDR_EXPR, ptr_type, string_literal);
 
-- 
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