+ started the wasmbase unit (similar to elfbase and omfbase)

compiler/ogwasm.pas

@@ -32,6 +32,8 @@ interface
       systems,
       { assembler }
       aasmbase,assemble,
+      { WebAssembly module format definitions }
+      wasmbase,
       { output }
       ogbase,
       owbase;

compiler/wasmbase.pas

@@ -0,0 +1,50 @@
+{
+    Copyright (c) 2021 by Nikolay Nikolov
+
+    Contains WebAssembly binary module format definitions
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+ ****************************************************************************
+}
+unit wasmbase;
+
+{$i fpcdefs.inc}
+
+interface
+
+const
+  WasmModuleMagic: array [0..3] of byte = ($00,$61,$73,$6D);
+  WasmVersion: array [0..3] of byte = ($01,$00,$00,$00);
+
+type
+  TWasmSectionID = (
+    wsiCustom    = 0,
+    wsiType      = 1,
+    wsiImport    = 2,
+    wsiFunction  = 3,
+    wsiTable     = 4,
+    wsiMemory    = 5,
+    wsiGlobal    = 6,
+    wsiExport    = 7,
+    wsiStart     = 8,
+    wsiElement   = 9,
+    wsiCode      = 10,
+    wsiData      = 11,
+    wsiDataCount = 12);
+
+implementation
+
+end.