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Optional W^X policy for JIT pages (#112)

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tevador
2019-08-25 13:47:40 +02:00
committed by GitHub
parent 971f10c9c2
commit 67010ab554
12 changed files with 195 additions and 55 deletions
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src/vm_compiled.hpp
+10 -5
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@@ -37,7 +37,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
namespace randomx {
template<class Allocator, bool softAes>
template<class Allocator, bool softAes, bool secureJit>
class CompiledVm : public VmBase<Allocator, softAes> {
public:
void* operator new(size_t size) {
@@ -49,6 +49,7 @@ namespace randomx {
void operator delete(void* ptr) {
AlignedAllocator<CacheLineSize>::freeMemory(ptr, sizeof(CompiledVm));
}
CompiledVm();
void setDataset(randomx_dataset* dataset) override;
void run(void* seed) override;
@@ -65,8 +66,12 @@ namespace randomx {
JitCompiler compiler;
};
using CompiledVmDefault = CompiledVm<AlignedAllocator<CacheLineSize>, true>;
using CompiledVmHardAes = CompiledVm<AlignedAllocator<CacheLineSize>, false>;
using CompiledVmLargePage = CompiledVm<LargePageAllocator, true>;
using CompiledVmLargePageHardAes = CompiledVm<LargePageAllocator, false>;
using CompiledVmDefault = CompiledVm<AlignedAllocator<CacheLineSize>, true, false>;
using CompiledVmHardAes = CompiledVm<AlignedAllocator<CacheLineSize>, false, false>;
using CompiledVmLargePage = CompiledVm<LargePageAllocator, true, false>;
using CompiledVmLargePageHardAes = CompiledVm<LargePageAllocator, false, false>;
using CompiledVmDefaultSecure = CompiledVm<AlignedAllocator<CacheLineSize>, true, true>;
using CompiledVmHardAesSecure = CompiledVm<AlignedAllocator<CacheLineSize>, false, true>;
using CompiledVmLargePageSecure = CompiledVm<LargePageAllocator, true, true>;
using CompiledVmLargePageHardAesSecure = CompiledVm<LargePageAllocator, false, true>;
}