diff -r 09508e46e362 -r b00ab8fec541 sourcepawn/vm/sp_vm_engine.cpp
--- a/sourcepawn/vm/sp_vm_engine.cpp	Sat Sep 23 23:37:40 2006 +0000
+++ b/sourcepawn/vm/sp_vm_engine.cpp	Sun Sep 24 06:17:10 2006 +0000
@@ -6,8 +6,39 @@
 #include "zlib/zlib.h"
 #include "sp_vm_basecontext.h"
 
+#if defined WIN32
+ #define WIN32_LEAN_AND_MEAN
+ #include <windows.h>
+#else if defined __GNUC__
+ #include <sys/mman.h>
+#endif
+
 using namespace SourcePawn;
 
+void *SourcePawnEngine::ExecAlloc(size_t size)
+{
+#if defined WIN32
+	return VirtualAlloc(NULL, size, MEM_COMMIT, PAGE_EXECUTE_READWRITE);
+#else if defined __GNUC__
+	void *base = memalign(sysconf(_SC_PAGESIZE), size);
+	if (mprotect(base, size, PROT_READ|PROT_WRITE|PROT_EXEC) != 0)
+	{
+		free(base);
+		return NULL;
+	}
+	return base;
+#endif
+}
+
+void SourcePawnEngine::ExecFree(void *address)
+{
+#if defined WIN32
+	VirtualFree(address, 0, MEM_RELEASE);
+#else if defined __GNUC__
+	free(address);
+#endif
+}
+
 void *SourcePawnEngine::BaseAlloc(size_t size)
 {
 	return malloc(size);
@@ -28,7 +59,7 @@
 	sp_context_t *_ctx = ctx->GetContext();
 	IVirtualMachine *vm = ctx->GetVirtualMachine();
 	
-	vm->FreeContextVars(_ctx);
+	vm->FreeContext(_ctx);
 
 	delete ctx;
 }