[llvm-commits] CVS: llvm/lib/System/Win32/Memory.cpp

Reid Spencer reid at x10sys.com
Mon Sep 13 15:38:24 PDT 2004



Changes in directory llvm/lib/System/Win32:

Memory.cpp updated: 1.1 -> 1.2
---
Log message:

Simplify the sys::Memory interface per Chris' request.


---
Diffs of the changes:  (+9 -8)

Index: llvm/lib/System/Win32/Memory.cpp
diff -u llvm/lib/System/Win32/Memory.cpp:1.1 llvm/lib/System/Win32/Memory.cpp:1.2
--- llvm/lib/System/Win32/Memory.cpp:1.1	Fri Sep 10 23:59:30 2004
+++ llvm/lib/System/Win32/Memory.cpp	Mon Sep 13 17:38:12 2004
@@ -22,8 +22,8 @@
 //=== WARNING: Implementation here must contain only Win32 specific code.
 //===----------------------------------------------------------------------===//
 
-void* Memory::AllocateRWX(Memory&M, unsigned NumBytes) {
-  if (NumBytes == 0) return 0;
+MemoryBlock Memory::AllocateRWX(unsigned NumBytes) {
+  if (NumBytes == 0) return MemoryBlock();
 
   unsigned pageSize = Process::GetPageSize();
   unsigned NumPages = (NumBytes+pageSize-1)/pageSize;
@@ -33,12 +33,13 @@
     throw std::string("Couldn't allocate ") + utostr(NumBytes) + 
         " bytes of executable memory!";
   }
-  M.Address = P;
-  M.AllocSize = NumBytes;
-  return P;
+  MemoryBlock result;
+  result.Address = P;
+  result.Size = NumBytes;
+  return result;
 }
 
-void Memory::ReleaseRWX(Memory& M) {
-  if (M.Address == 0 ) return;
-  VirtualFree(M.Address, M.AllocSize, MEM_DECOMMIT, PAGE_NOACCESS);
+void Memory::ReleaseRWX(MemoryBlock& M) {
+  if (M.Address == 0 || M.Size == 0) return;
+  VirtualFree(M.Address, M.Size, MEM_DECOMMIT, PAGE_NOACCESS);
 }






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