fzorb/REDACTED-rig
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Added generic secure JIT support for RandomX.

Browse source
This commit is contained in:
XMRig 2020-12-11 23:17:54 +07:00
parent f9c0933f05
commit ec62ded279
No known key found for this signature in database
GPG key ID: 446A53638BE94409
19 changed files with 227 additions and 110 deletions
Download patch file Download diff file Expand all files Collapse all files

36
src/crypto/randomx/jit_compiler_x86.cpp
View file

@ -1,5 +1,7 @@
/*
Copyright (c) 2018-2019, tevador <tevador@gmail.com>
Copyright (c) 2018-2020, tevador <tevador@gmail.com>
Copyright (c) 2019-2020, SChernykh <https://github.com/SChernykh>
Copyright (c) 2019-2020, XMRig <https://github.com/xmrig>, <support@xmrig.com>
All rights reserved.
@ -30,8 +32,10 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <cstring>
#include <climits>
#include <atomic>
#include "crypto/randomx/jit_compiler_x86.hpp"
#include "backend/cpu/Cpu.h"
#include "crypto/common/VirtualMemory.h"
#include "crypto/randomx/jit_compiler_x86_static.hpp"
#include "crypto/randomx/program.hpp"
#include "crypto/randomx/reciprocal.h"
@ -170,16 +174,28 @@ namespace randomx {
return codePos < prologueSize ? 0 : codePos - prologueSize;
}
static inline void cpuid(uint32_t level, int32_t output[4])
{
memset(output, 0, sizeof(int32_t) * 4);
void JitCompilerX86::enableAll() {
xmrig::VirtualMemory::protectRWX(code, CodeSize);
}
# ifdef _MSC_VER
__cpuid(output, static_cast<int>(level));
# else
__cpuid_count(level, 0, output[0], output[1], output[2], output[3]);
# endif
}
void JitCompilerX86::enableWriting() {
xmrig::VirtualMemory::protectRW(code, CodeSize);
}
void JitCompilerX86::enableExecution() {
xmrig::VirtualMemory::protectRX(code, CodeSize);
}
static inline void cpuid(uint32_t level, int32_t output[4])
{
memset(output, 0, sizeof(int32_t) * 4);
# ifdef _MSC_VER
__cpuid(output, static_cast<int>(level));
# else
__cpuid_count(level, 0, output[0], output[1], output[2], output[3]);
# endif
}
# ifdef _MSC_VER
static FORCE_INLINE uint32_t rotl32(uint32_t a, int shift) { return _rotl(a, shift); }