First commit

1 files changed, 65 insertions, 0 deletions

diff --git a/private_include/nw/sections.h b/private_include/nw/sections.h
new file mode 100644
index 0000000..bef9cd8
--- /dev/null
+++ b/private_include/nw/sections.h
@@ -0,0 +1,65 @@
+/*
+ * nanowasm, a tiny WebAssembly/Wasm interpreter
+ * Copyright (C) 2023-2024  Xavier Del Campo Romero
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+#ifndef SECTIONS_H
+#define SECTIONS_H
+
+#include <nanowasm/nw.h>
+#include <nw/types.h>
+#include <stddef.h>
+#include <stdio.h>
+
+struct section
+{
+    const struct nw_mod_cfg *cfg;
+    FILE *f;
+};
+
+int section_custom_check(const struct section *s, struct nw_mod *m, unsigned long len);
+int section_type_check(const struct section *s, struct nw_mod *m, unsigned long len);
+int section_import_check(const struct section *s, struct nw_mod *m, unsigned long len);
+int section_function_check(const struct section *s, struct nw_mod *m, unsigned long len);
+int section_table_check(const struct section *s, struct nw_mod *m, unsigned long len);
+int section_memory_check(const struct section *s, struct nw_mod *m, unsigned long len);
+int section_global_check(const struct section *s, struct nw_mod *m, unsigned long len);
+int section_export_check(const struct section *s, struct nw_mod *m, unsigned long len);
+int section_start_check(const struct section *s, struct nw_mod *m, unsigned long len);
+int section_element_check(const struct section *s, struct nw_mod *m, unsigned long len);
+int section_code_check(const struct section *s, struct nw_mod *m, unsigned long len);
+int section_data_check(const struct section *s, struct nw_mod *m, unsigned long len);
+
+struct section_function
+{
+    varuint32 type, index, nreturn;
+};
+
+struct section_code
+{
+    long start;
+};
+
+int section_function(const struct section *s, const struct nw_mod *m,
+    varuint32 idx, struct section_function *f);
+int section_code(const struct section *s, const struct nw_mod *m,
+    varuint32 idx, struct section_code *c);
+
+int section_code_push(FILE *f, long pc, struct nw_frame *fr);
+int section_type_push(FILE *f, const struct nw_mod *m, varuint32 idx,
+        struct nw_frame *fr);
+int section_global_push(FILE *f, const struct nw_mod *m, struct nw_interp *i);
+
+struct resizable_limits
+{
+    bool max_available;
+    size_t sz, max;
+};
+
+int check_resizable_limits(FILE *f, struct resizable_limits *r);
+
+#endif