wow64pp
An easy to use header only heavens gate implementation based on wow64ext X64Call however not using inline assembly allowing it to work on other compilers like MinGW.
Quick reference
Wow64pp only exposes 3 functions 2 of which have exception based and error_code based counterparts.
#include "wow64pp.hpp"
// ...
// equivalent of GetModuleHandle
auto x64_ntdll_handle = wow64pp::module_handle("ntdll.dll");
// or wow64pp::module_handle("ntdll.dll", error_code);
// equivalent of GetProcAddress
auto x64_NtQueryVirtualMemory = wow64pp::import(x64_ntdll_handle, "NtQueryVirtualMemory");
// or wow64pp::import(x64_ntdll_handle, "NtQueryVirtualMemory", error_code);
// after getting the function address you can call it using wow64pp::call_function by passing its address
// as the first argument, with the function arguments following.
winapi::MEMORY_BASIC_INFORMATION64 memory_info;
std::uint64_t result_len;
auto ec = wow64pp::call_function(x64_NtQueryVirtualMemory, process_handle, address
, 0, &memory_info, sizeof(memory_info), &result_len);