setExecutable() should do everything that's needed to make the memory
executable on host, i.e. unconditionally set permissions + invalidate
instruction cache. llvm-rtdyld will be updated in my next commit.
Discusseed with: Lang Hames (as part of D13631).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@253341
91177308-0d34-0410-b5e6-
96231b3b80d8
}
bool Memory::setExecutable (MemoryBlock &M, std::string *ErrMsg) {
}
bool Memory::setExecutable (MemoryBlock &M, std::string *ErrMsg) {
-#if defined(__APPLE__) && (defined(__arm__) || defined(__arm64__))
if (M.Address == 0 || M.Size == 0) return false;
Memory::InvalidateInstructionCache(M.Address, M.Size);
if (M.Address == 0 || M.Size == 0) return false;
Memory::InvalidateInstructionCache(M.Address, M.Size);
+#if defined(__APPLE__) && (defined(__arm__) || defined(__arm64__))
kern_return_t kr = vm_protect(mach_task_self(), (vm_address_t)M.Address,
(vm_size_t)M.Size, 0, VM_PROT_READ | VM_PROT_EXECUTE | VM_PROT_COPY);
return KERN_SUCCESS == kr;
kern_return_t kr = vm_protect(mach_task_self(), (vm_address_t)M.Address,
(vm_size_t)M.Size, 0, VM_PROT_READ | VM_PROT_EXECUTE | VM_PROT_COPY);
return KERN_SUCCESS == kr;
-#elif defined(__arm__) || defined(__aarch64__)
- Memory::InvalidateInstructionCache(M.Address, M.Size);
- return true;
#else
return true;
#endif
#else
return true;
#endif