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Fix the JIT Code Memory on ARM64 Macs (#916)

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This commit is contained in:
WaluigiWare64
2021-02-22 15:13:39 +00:00
committed by GitHub
parent 0aa0ae6c69
commit 532dc57025
2 changed files with 23 additions and 2 deletions
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11
src/ARMJIT_A64/ARMJIT_Compiler.cpp
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@ -15,6 +15,10 @@ extern char __start__;
#include <stdlib.h>
#ifdef __APPLE__
#include <pthread.h>
#endif
using namespace Arm64Gen;
extern "C" void ARM_Ret();
@ -226,7 +230,12 @@ Compiler::Compiler()
u64 pageSize = sysconf(_SC_PAGE_SIZE);
u8* pageAligned = (u8*)(((u64)JitMem & ~(pageSize - 1)) + pageSize);
u64 alignedSize = (((u64)JitMem + sizeof(JitMem)) & ~(pageSize - 1)) - (u64)pageAligned;
mprotect(pageAligned, alignedSize, PROT_EXEC | PROT_READ | PROT_WRITE);
#ifdef __APPLE__
pageAligned = (u8*)mmap(NULL, 1024*1024*16, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS | MAP_JIT,-1, 0);
pthread_jit_write_protect_np(false);
#else
mprotect(pageAligned, alignedSize, PROT_EXEC | PROT_READ | PROT_WRITE);
#endif
SetCodeBase(pageAligned, pageAligned);
JitMemMainSize = alignedSize;