[llvm-commits] CVS: llvm/lib/ExecutionEngine/JIT/Emitter.cpp
Reid Spencer
reid at x10sys.com
Fri Sep 10 21:31:14 PDT 2004
Changes in directory llvm/lib/ExecutionEngine/JIT:
Emitter.cpp updated: 1.43 -> 1.44
---
Log message:
Convert the Emitter to use the lib/System "Memory" interface instead of the
old SystemUtils.h interface to allocate RWX blocks of memory.
---
Diffs of the changes: (+5 -2)
Index: llvm/lib/ExecutionEngine/JIT/Emitter.cpp
diff -u llvm/lib/ExecutionEngine/JIT/Emitter.cpp:1.43 llvm/lib/ExecutionEngine/JIT/Emitter.cpp:1.44
--- llvm/lib/ExecutionEngine/JIT/Emitter.cpp:1.43 Wed Sep 1 17:55:35 2004
+++ llvm/lib/ExecutionEngine/JIT/Emitter.cpp Fri Sep 10 23:31:03 2004
@@ -22,7 +22,8 @@
#include "llvm/Target/TargetData.h"
#include "llvm/Support/Debug.h"
#include "llvm/ADT/Statistic.h"
-#include "llvm/Support/SystemUtils.h"
+#include "llvm/System/Memory.h"
+
using namespace llvm;
namespace {
@@ -37,6 +38,7 @@
/// are emitting is. This never bothers to release the memory, because when
/// we are ready to destroy the JIT, the program exits.
class JITMemoryManager {
+ sys::Memory MemBlock; // Virtual memory block allocated RWX
unsigned char *MemBase; // Base of block of memory, start of stub mem
unsigned char *FunctionBase; // Start of the function body area
unsigned char *CurStubPtr, *CurFunctionPtr;
@@ -51,7 +53,8 @@
JITMemoryManager::JITMemoryManager() {
// Allocate a 16M block of memory...
- MemBase = (unsigned char*)AllocateRWXMemory(16 << 20);
+ sys::Memory::AllocateRWX(MemBlock,(16 << 20));
+ MemBase = reinterpret_cast<unsigned char*>(MemBlock.base());
FunctionBase = MemBase + 512*1024; // Use 512k for stubs
// Allocate stubs backwards from the function base, allocate functions forward
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