Moving byte order/memory access to poly.

src/poly/memory.h

@@ -10,13 +10,184 @@
 #ifndef POLY_MEMORY_H_
 #define POLY_MEMORY_H_
 
-#include <poly/config.h>
-#include <poly/platform.h>
+#include <poly/byte_order.h>
 
 namespace poly {
 
 size_t page_size();
 
+template <typename T>
+T load(const void* mem);
+template <>
+inline int8_t load<int8_t>(const void* mem) {
+  return *reinterpret_cast<const int8_t*>(mem);
+}
+template <>
+inline uint8_t load<uint8_t>(const void* mem) {
+  return *reinterpret_cast<const uint8_t*>(mem);
+}
+template <>
+inline int16_t load<int16_t>(const void* mem) {
+  return *reinterpret_cast<const int16_t*>(mem);
+}
+template <>
+inline uint16_t load<uint16_t>(const void* mem) {
+  return *reinterpret_cast<const uint16_t*>(mem);
+}
+template <>
+inline int32_t load<int32_t>(const void* mem) {
+  return *reinterpret_cast<const int32_t*>(mem);
+}
+template <>
+inline uint32_t load<uint32_t>(const void* mem) {
+  return *reinterpret_cast<const uint32_t*>(mem);
+}
+template <>
+inline int64_t load<int64_t>(const void* mem) {
+  return *reinterpret_cast<const int64_t*>(mem);
+}
+template <>
+inline uint64_t load<uint64_t>(const void* mem) {
+  return *reinterpret_cast<const uint64_t*>(mem);
+}
+template <>
+inline float load<float>(const void* mem) {
+  return *reinterpret_cast<const float*>(mem);
+}
+template <>
+inline double load<double>(const void* mem) {
+  return *reinterpret_cast<const double*>(mem);
+}
+
+template <typename T>
+T load_and_swap(const void* mem);
+template <>
+inline int8_t load_and_swap<int8_t>(const void* mem) {
+  return *reinterpret_cast<const int8_t*>(mem);
+}
+template <>
+inline uint8_t load_and_swap<uint8_t>(const void* mem) {
+  return *reinterpret_cast<const uint8_t*>(mem);
+}
+template <>
+inline int16_t load_and_swap<int16_t>(const void* mem) {
+  return byte_swap(*reinterpret_cast<const int16_t*>(mem));
+}
+template <>
+inline uint16_t load_and_swap<uint16_t>(const void* mem) {
+  return byte_swap(*reinterpret_cast<const uint16_t*>(mem));
+}
+template <>
+inline int32_t load_and_swap<int32_t>(const void* mem) {
+  return byte_swap(*reinterpret_cast<const int32_t*>(mem));
+}
+template <>
+inline uint32_t load_and_swap<uint32_t>(const void* mem) {
+  return byte_swap(*reinterpret_cast<const uint32_t*>(mem));
+}
+template <>
+inline int64_t load_and_swap<int64_t>(const void* mem) {
+  return byte_swap(*reinterpret_cast<const int64_t*>(mem));
+}
+template <>
+inline uint64_t load_and_swap<uint64_t>(const void* mem) {
+  return byte_swap(*reinterpret_cast<const uint64_t*>(mem));
+}
+template <>
+inline float load_and_swap<float>(const void* mem) {
+  return byte_swap(*reinterpret_cast<const float*>(mem));
+}
+template <>
+inline double load_and_swap<double>(const void* mem) {
+  return byte_swap(*reinterpret_cast<const double*>(mem));
+}
+
+template <typename T>
+void store(void* mem, T value);
+template <>
+inline void store<int8_t>(void* mem, int8_t value) {
+  *reinterpret_cast<int8_t*>(mem) = value;
+}
+template <>
+inline void store<uint8_t>(void* mem, uint8_t value) {
+  *reinterpret_cast<uint8_t*>(mem) = value;
+}
+template <>
+inline void store<int16_t>(void* mem, int16_t value) {
+  *reinterpret_cast<int16_t*>(mem) = value;
+}
+template <>
+inline void store<uint16_t>(void* mem, uint16_t value) {
+  *reinterpret_cast<uint16_t*>(mem) = value;
+}
+template <>
+inline void store<int32_t>(void* mem, int32_t value) {
+  *reinterpret_cast<int32_t*>(mem) = value;
+}
+template <>
+inline void store<uint32_t>(void* mem, uint32_t value) {
+  *reinterpret_cast<uint32_t*>(mem) = value;
+}
+template <>
+inline void store<int64_t>(void* mem, int64_t value) {
+  *reinterpret_cast<int64_t*>(mem) = value;
+}
+template <>
+inline void store<uint64_t>(void* mem, uint64_t value) {
+  *reinterpret_cast<uint64_t*>(mem) = value;
+}
+template <>
+inline void store<float>(void* mem, float value) {
+  *reinterpret_cast<float*>(mem) = value;
+}
+template <>
+inline void store<double>(void* mem, double value) {
+  *reinterpret_cast<double*>(mem) = value;
+}
+
+template <typename T>
+void store_and_swap(void* mem, T value);
+template <>
+inline void store_and_swap<int8_t>(void* mem, int8_t value) {
+  *reinterpret_cast<int8_t*>(mem) = value;
+}
+template <>
+inline void store_and_swap<uint8_t>(void* mem, uint8_t value) {
+  *reinterpret_cast<uint8_t*>(mem) = value;
+}
+template <>
+inline void store_and_swap<int16_t>(void* mem, int16_t value) {
+  *reinterpret_cast<int16_t*>(mem) = byte_swap(value);
+}
+template <>
+inline void store_and_swap<uint16_t>(void* mem, uint16_t value) {
+  *reinterpret_cast<uint16_t*>(mem) = byte_swap(value);
+}
+template <>
+inline void store_and_swap<int32_t>(void* mem, int32_t value) {
+  *reinterpret_cast<int32_t*>(mem) = byte_swap(value);
+}
+template <>
+inline void store_and_swap<uint32_t>(void* mem, uint32_t value) {
+  *reinterpret_cast<uint32_t*>(mem) = byte_swap(value);
+}
+template <>
+inline void store_and_swap<int64_t>(void* mem, int64_t value) {
+  *reinterpret_cast<int64_t*>(mem) = byte_swap(value);
+}
+template <>
+inline void store_and_swap<uint64_t>(void* mem, uint64_t value) {
+  *reinterpret_cast<uint64_t*>(mem) = byte_swap(value);
+}
+template <>
+inline void store_and_swap<float>(void* mem, float value) {
+  *reinterpret_cast<float*>(mem) = byte_swap(value);
+}
+template <>
+inline void store_and_swap<double>(void* mem, double value) {
+  *reinterpret_cast<double*>(mem) = byte_swap(value);
+}
+
 }  // namespace poly
 
 #endif  // POLY_MEMORY_H_