commit a062f321768dc39a533188806c571cf8a9479ca7
author Nicolas Capens <capn@google.com> Thu Sep 06 15:34:46 2018 -0400
committer Nicolas Capens <nicolascapens@google.com> Thu Sep 06 20:08:19 2018 +0000
tree 154ef48893c7cde48867564595e526c208017959
parent 108f3e10f093d8cb27b12adc9cc697bee300c6f9

Use custom executable memory allocator.

On Linux this enables using named memory maps to assist profiling.

Change-Id: I96c36cf7b892237f4f7ed921d01f33454a9398f0
Reviewed-on: https://swiftshader-review.googlesource.com/20508
Tested-by: Nicolas Capens <nicolascapens@google.com>
Reviewed-by: Alexis Hétu <sugoi@google.com>

src/Reactor/SubzeroReactor.cpp

diff --git a/src/Reactor/SubzeroReactor.cpp b/src/Reactor/SubzeroReactor.cpp
index e499496..3d49658 100644
--- a/src/Reactor/SubzeroReactor.cpp
+++ b/src/Reactor/SubzeroReactor.cpp
@@ -16,6 +16,8 @@
 
 #include "Optimizer.hpp"
 
+#include "Common/Memory.hpp"
+
 #include "src/IceTypes.h"
 #include "src/IceCfg.h"
 #include "src/IceELFStreamer.h"
@@ -423,20 +425,12 @@
 
 		T *allocate(size_type n)
 		{
-			#if defined(_WIN32)
-				return (T*)VirtualAlloc(NULL, sizeof(T) * n, MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE);
-			#else
-				return (T*)mmap(nullptr, sizeof(T) * n, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
-			#endif
+			return (T*)allocateExecutable(sizeof(T) * n);
 		}
 
 		void deallocate(T *p, size_type n)
 		{
-			#if defined(_WIN32)
-				VirtualFree(p, 0, MEM_RELEASE);
-			#else
-				munmap(p, sizeof(T) * n);
-			#endif
+			deallocateExecutable(p, sizeof(T) * n);
 		}
 	};