69 lines
1.5 KiB
C++
69 lines
1.5 KiB
C++
#include "invoker.hpp"
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#include "common.hpp"
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#include "crossmap.hpp"
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#include "pointers.hpp"
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extern "C" void _call_asm(void* context, void* function, void* ret);
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namespace big
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{
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native_call_context::native_call_context()
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{
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m_return_value = &m_return_stack[0];
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m_args = &m_arg_stack[0];
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}
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void native_invoker::cache_handlers()
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{
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if (m_handlers_cached)
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return;
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for (const rage::scrNativeMapping& mapping : g_crossmap)
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{
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rage::scrNativeHandler handler =
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g_pointers->m_gta.m_get_native_handler(g_pointers->m_gta.m_native_registration_table, mapping.second);
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m_handler_cache.emplace(mapping.first, handler);
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}
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m_handlers_cached = true;
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}
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void native_invoker::begin_call()
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{
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m_call_context.reset();
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}
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void native_invoker::end_call(rage::scrNativeHash hash)
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{
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if (!m_handlers_cached)
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cache_handlers();
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if (auto it = m_handler_cache.find(hash); it != m_handler_cache.end())
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{
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rage::scrNativeHandler handler = it->second;
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[this, hash, handler] {
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__try
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{
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// return address checks are no longer a thing
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handler(&m_call_context);
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g_pointers->m_gta.m_fix_vectors(&m_call_context);
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}
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__except (EXCEPTION_EXECUTE_HANDLER)
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{
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[hash]() {
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LOG(WARNING) << "Exception caught while trying to call " << HEX_TO_UPPER(hash) << " native.";
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}();
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}
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}();
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}
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else
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{
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[hash]() {
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LOG(WARNING) << "Failed to find " << HEX_TO_UPPER(hash) << " native's handler.";
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}();
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}
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}
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}
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