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- delete JIT data when shutting down.

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This commit is contained in:
Christoph Oelckers 2018-11-25 22:10:34 +01:00
parent c164b3c3b0
commit 34a1c8e545
2 changed files with 21 additions and 0 deletions
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17
src/scripting/vm/jit.cpp
View file

@ -9,6 +9,7 @@ extern PStruct *TypeVector3;
static void OutputJitLog(const asmjit::StringLogger &logger);
static TArray<uint8_t*> JitBlocks;
static TArray<uint8_t*> JitFrames;
static size_t JitBlockPos = 0;
static size_t JitBlockSize = 0;
@ -61,6 +62,21 @@ static void *AllocJitMemory(size_t size)
#define UWOP_SAVE_XMM128_FAR 9
#define UWOP_PUSH_MACHFRAME 10
void JitRelease()
{
#ifdef _WIN64
for (auto p : JitFrames)
{
RtlDeleteFunctionTable((PRUNTIME_FUNCTION)p);
}
#endif
for (auto p : JitBlocks)
{
asmjit::OSUtils::releaseVirtualMemory(p, 1024 * 1024);
}
}
static TArray<uint16_t> CreateUnwindInfo(asmjit::CCFunc *func)
{
using namespace asmjit;
@ -276,6 +292,7 @@ static void *AddJitFunction(asmjit::CodeHolder* code, asmjit::CCFunc *func)
table[0].EndAddress = (DWORD)(ptrdiff_t)(endaddr - baseaddr);
table[0].UnwindInfoAddress = (DWORD)(ptrdiff_t)(unwindptr - baseaddr);
BOOLEAN result = RtlAddFunctionTable(table, 1, (DWORD64)baseaddr);
JitFrames.Push((uint8_t*)table);
if (result == 0)
I_FatalError("RtlAddFunctionTable failed");
#endif

4
src/scripting/vm/vm.h
View file

@ -53,6 +53,8 @@ extern FMemArena ClassDataAllocator;
#define MAX_RETURNS 8 // Maximum number of results a function called by script code can return
#define MAX_TRY_DEPTH 8 // Maximum number of nested TRYs in a single function
void JitRelease();
typedef unsigned char VM_UBYTE;
typedef signed char VM_SBYTE;
@ -426,6 +428,8 @@ public:
f->~VMFunction();
}
AllFunctions.Clear();
// also release any JIT data
JitRelease();
}
static void CreateRegUseInfo()
{