INITIAL COMMIT

2026-06-03 00:51:18 +01:00
commit 7f46c85194
76 changed files with 4845 additions and 0 deletions
@@ -0,0 +1,37 @@
+// vim:fileencoding=utf-8:foldmethod=marker
+
+#include "../../../common/aliases/aliases.h"
+#include "../../../common/platform/platform.h"
+
+#ifdef WAPP_PLATFORM_WINDOWS
+
+#include "mem_os_win.h"
+#include "../mem_os_ops.h"
+
+#define WIN32_LEAN_AND_MEAN
+#include <Windows.h>
+#include <memoryapi.h>
+
+wapp_intern const i32 access_types[] = {
+	[WAPP_MEM_ACCESS_NONE]            = PAGE_NOACCESS,
+	[WAPP_MEM_ACCESS_READ_ONLY]       = PAGE_READONLY,
+	[WAPP_MEM_ACCESS_EXEC_ONLY]       = PAGE_EXECUTE,
+	[WAPP_MEM_ACCESS_READ_WRITE]      = PAGE_READWRITE,
+	[WAPP_MEM_ACCESS_READ_EXEC]       = PAGE_EXECUTE_READ,
+	[WAPP_MEM_ACCESS_READ_WRITE_EXEC] = PAGE_EXECUTE_READWRITE,
+};
+
+void *os_mem_allocate(void *addr, u64 size, MemAccess access, MemAllocFlags flags, MemInitType type) {
+	// Ensure memory is committed if it's meant to be initialised
+	if (type == WAPP_MEM_INIT_INITIALISED) {
+		flags |= WAPP_MEM_ALLOC_COMMIT;
+	}
+
+	return VirtualAlloc(addr, (SIZE_T)size, flags, access_types[access]);
+}
+
+void os_mem_free(void *ptr, u64 size) {
+	VirtualFree(ptr, size, MEM_RELEASE);
+}
+
+#endif // !WAPP_PLATFORM_WINDOWS
@@ -0,0 +1,29 @@
+// vim:fileencoding=utf-8:foldmethod=marker
+
+#ifndef MEM_OS_WIN_H
+#define MEM_OS_WIN_H
+
+#include "../../../common/platform/platform.h"
+
+#ifdef WAPP_PLATFORM_CPP
+BEGIN_C_LINKAGE
+#endif // !WAPP_PLATFORM_CPP
+
+#ifdef WAPP_PLATFORM_WINDOWS
+
+#define WIN32_LEAN_AND_MEAN
+#include <Windows.h>
+#include <memoryapi.h>
+
+typedef enum mem_alloc_flags {
+	WAPP_MEM_ALLOC_RESERVE = MEM_RESERVE,
+	WAPP_MEM_ALLOC_COMMIT  = MEM_COMMIT,
+} MemAllocFlags;
+
+#endif // !WAPP_PLATFORM_WINDOWS
+
+#ifdef WAPP_PLATFORM_CPP
+END_C_LINKAGE
+#endif // !WAPP_PLATFORM_CPP
+
+#endif // !MEM_OS_WIN_H