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[oota-llvm.git] / include / llvm / Support / Memory.h

diff --git a/include/llvm/Support/Memory.h b/include/llvm/Support/Memory.h
index acd7a04080016096fd39463b6c2355106c644a9c..47fd327e2e29c6e3afc4eaa7c73b44630b7e6fad 100644 (file)
--- a/include/llvm/Support/Memory.h
+++ b/include/llvm/Support/Memory.h
@@ -1,4 +1,4 @@
-//===- llvm/Support/Memory.h - Memory Support --------------------*- C++ -*-===//
+//===- llvm/Support/Memory.h - Memory Support -------------------*- C++ -*-===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -19,7 +19,6 @@
 #include <system_error>
 
 namespace llvm {
-using std::error_code;
 namespace sys {
 
   /// This class encapsulates the notion of a memory block which has an address
@@ -33,6 +32,7 @@ namespace sys {
     MemoryBlock(void *addr, size_t size) : Address(addr), Size(size) { }
     void *base() const { return Address; }
     size_t size() const { return Size; }
+
   private:
     void *Address;    ///< Address of first byte of memory area
     size_t Size;      ///< Size, in bytes of the memory area
@@ -71,14 +71,14 @@ namespace sys {
     /// If the address following \p NearBlock is not so aligned, it will be
     /// rounded up to the next allocation granularity boundary.
     ///
-    /// \r a non-null MemoryBlock if the function was successful, 
+    /// \r a non-null MemoryBlock if the function was successful,
     /// otherwise a null MemoryBlock is with \p EC describing the error.
     ///
     /// @brief Allocate mapped memory.
     static MemoryBlock allocateMappedMemory(size_t NumBytes,
                                             const MemoryBlock *const NearBlock,
                                             unsigned Flags,
-                                            error_code &EC);
+                                            std::error_code &EC);
 
     /// This method releases a block of memory that was allocated with the
     /// allocateMappedMemory method. It should not be used to release any
@@ -87,9 +87,9 @@ namespace sys {
     ///
     /// \r error_success if the function was successful, or an error_code
     /// describing the failure if an error occurred.
-    /// 
+    ///
     /// @brief Release mapped memory.
-    static error_code releaseMappedMemory(MemoryBlock &Block);
+    static std::error_code releaseMappedMemory(MemoryBlock &Block);
 
     /// This method sets the protection flags for a block of memory to the
     /// state specified by /p Flags.  The behavior is not specified if the
@@ -106,8 +106,8 @@ namespace sys {
     /// describing the failure if an error occurred.
     ///
     /// @brief Set memory protection state.
-    static error_code protectMappedMemory(const MemoryBlock &Block,
-                                          unsigned Flags);
+    static std::error_code protectMappedMemory(const MemoryBlock &Block,
+                                               unsigned Flags);
 
     /// This method allocates a block of Read/Write/Execute memory that is
     /// suitable for executing dynamically generated code (e.g. JIT). An
@@ -132,7 +132,6 @@ namespace sys {
     /// @brief Release Read/Write/Execute memory.
     static bool ReleaseRWX(MemoryBlock &block, std::string *ErrMsg = nullptr);
 
-
     /// InvalidateInstructionCache - Before the JIT can run a block of code
     /// that has been emitted it must invalidate the instruction cache on some
     /// platforms.