Code cleanup: moving ExportResolver to xe::cpu

src/xenia/cpu/export_resolver.h

@@ -0,0 +1,84 @@
+/**
+ ******************************************************************************
+ * Xenia : Xbox 360 Emulator Research Project                                 *
+ ******************************************************************************
+ * Copyright 2013 Ben Vanik. All rights reserved.                             *
+ * Released under the BSD license - see LICENSE in the root for more details. *
+ ******************************************************************************
+ */
+
+#ifndef XENIA_CPU_EXPORT_RESOLVER_H_
+#define XENIA_CPU_EXPORT_RESOLVER_H_
+
+#include <string>
+#include <vector>
+
+namespace xe {
+namespace cpu {
+
+typedef void (*xe_kernel_export_shim_fn)(void*, void*);
+
+class KernelExport {
+ public:
+  enum ExportType {
+    Function = 0,
+    Variable = 1,
+  };
+
+  uint32_t ordinal;
+  ExportType type;
+  uint32_t flags;
+  char name[96];
+
+  bool is_implemented;
+
+  union {
+    // Variable data. Only valid when kXEKernelExportFlagVariable is set.
+    // This is an address in the client memory space that the variable can
+    // be found at.
+    uint32_t variable_ptr;
+
+    struct {
+      // Second argument passed to the shim function.
+      void* shim_data;
+
+      // Shimmed implementation.
+      // This is called directly from generated code.
+      // It should parse args, do fixups, and call the impl.
+      xe_kernel_export_shim_fn shim;
+    } function_data;
+  };
+};
+
+class ExportResolver {
+ public:
+  ExportResolver();
+  ~ExportResolver();
+
+  void RegisterTable(const std::string& library_name, KernelExport* exports,
+                     const size_t count);
+
+  KernelExport* GetExportByOrdinal(const std::string& library_name,
+                                   const uint32_t ordinal);
+
+  void SetVariableMapping(const std::string& library_name,
+                          const uint32_t ordinal, uint32_t value);
+  void SetFunctionMapping(const std::string& library_name,
+                          const uint32_t ordinal, void* shim_data,
+                          xe_kernel_export_shim_fn shim);
+
+ private:
+  struct ExportTable {
+    std::string name;
+    KernelExport* exports;
+    size_t count;
+    ExportTable(const std::string& name, KernelExport* exports, size_t count)
+        : name(name), exports(exports), count(count) {}
+  };
+  std::vector<ExportTable> tables_;
+};
+
+}  // namespace cpu
+}  // namespace xe
+
+#endif  // XENIA_CPU_EXPORT_RESOLVER_H_