Re-committing r76828 with the JIT memory manager changes now that the build

bots like the BumpPtrAllocator changes.

llvm-svn: 76902

2 files changed, 8 insertions, 6 deletions

diff --git a/llvm/lib/System/Unix/Memory.inc b/llvm/lib/System/Unix/Memory.inc
index b7a70135bcb..a80f56fbc14 100644
--- a/llvm/lib/System/Unix/Memory.inc
+++ b/llvm/lib/System/Unix/Memory.inc
@@ -12,6 +12,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "Unix.h"
+#include "llvm/Support/DataTypes.h"
 #include "llvm/System/Process.h"
 
 #ifdef HAVE_SYS_MMAN_H
@@ -28,12 +29,12 @@
 /// is very OS specific.
 ///
 llvm::sys::MemoryBlock 
-llvm::sys::Memory::AllocateRWX(unsigned NumBytes, const MemoryBlock* NearBlock,
+llvm::sys::Memory::AllocateRWX(size_t NumBytes, const MemoryBlock* NearBlock,
                                std::string *ErrMsg) {
   if (NumBytes == 0) return MemoryBlock();
 
-  unsigned pageSize = Process::GetPageSize();
-  unsigned NumPages = (NumBytes+pageSize-1)/pageSize;
+  size_t pageSize = Process::GetPageSize();
+  size_t NumPages = (NumBytes+pageSize-1)/pageSize;
 
   int fd = -1;
 #ifdef NEED_DEV_ZERO_FOR_MMAP
diff --git a/llvm/lib/System/Win32/Memory.inc b/llvm/lib/System/Win32/Memory.inc
index 5e5cf7a6762..7611ecdb929 100644
--- a/llvm/lib/System/Win32/Memory.inc
+++ b/llvm/lib/System/Win32/Memory.inc
@@ -13,6 +13,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "Win32.h"
+#include "llvm/Support/DataTypes.h"
 #include "llvm/System/Process.h"
 
 namespace llvm {
@@ -23,13 +24,13 @@ using namespace sys;
 //===          and must not be UNIX code
 //===----------------------------------------------------------------------===//
 
-MemoryBlock Memory::AllocateRWX(unsigned NumBytes,
+MemoryBlock Memory::AllocateRWX(size_t NumBytes,
                                 const MemoryBlock *NearBlock,
                                 std::string *ErrMsg) {
   if (NumBytes == 0) return MemoryBlock();
 
-  static const long pageSize = Process::GetPageSize();
-  unsigned NumPages = (NumBytes+pageSize-1)/pageSize;
+  static const size_t pageSize = Process::GetPageSize();
+  size_t NumPages = (NumBytes+pageSize-1)/pageSize;
 
   //FIXME: support NearBlock if ever needed on Win64.