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

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This commit is contained in:
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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11
src/tests/benchmark.cpp
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@@ -82,6 +82,7 @@ void printUsage(const char* executable) {
std::cout << " --mine mining mode: 2080 MiB" << std::endl;
std::cout << " --verify verification mode: 256 MiB" << std::endl;
std::cout << " --jit x86-64 JIT compiled mode (default: interpreter)" << std::endl;
std::cout << " --secure W^X policy for JIT pages (default: off)" << std::endl;
std::cout << " --largePages use large pages" << std::endl;
std::cout << " --softAes use software AES (default: x86 AES-NI)" << std::endl;
std::cout << " --threads T use T threads (default: 1)" << std::endl;
@@ -126,7 +127,7 @@ void mine(randomx_vm* vm, std::atomic<uint32_t>& atomicNonce, AtomicHash& result
}
int main(int argc, char** argv) {
bool softAes, miningMode, verificationMode, help, largePages, jit;
bool softAes, miningMode, verificationMode, help, largePages, jit, secure;
int noncesCount, threadCount, initThreadCount;
uint64_t threadAffinity;
int32_t seedValue;
@@ -143,6 +144,7 @@ int main(int argc, char** argv) {
readOption("--largePages", argc, argv, largePages);
readOption("--jit", argc, argv, jit);
readOption("--help", argc, argv, help);
readOption("--secure", argc, argv, secure);
store32(&seed, seedValue);
@@ -171,7 +173,12 @@ int main(int argc, char** argv) {
if (jit) {
flags = (randomx_flags)(flags | RANDOMX_FLAG_JIT);
std::cout << " - JIT compiled mode" << std::endl;
std::cout << " - JIT compiled mode ";
if (secure) {
flags = (randomx_flags)(flags | RANDOMX_FLAG_SECURE);
std::cout << "(secure)";
}
std::cout << std::endl;
}
else {
std::cout << " - interpreted mode" << std::endl;