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win32_hook: preserve ordinal forwarding #3826

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Merged
baldurk merged 4 commits into from
Apr 14, 2026
+6 −4
Merged

win32_hook: preserve ordinal forwarding #3826

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9bbfb51
win32_hook: preserve ordinal forwarding
wusikijeronii Apr 14, 2026
b2367a4
win32_hook: keep original func for ordinal GetProcAddress fallback
wusikijeronii Apr 14, 2026
84491c9
win32_hook: applied clang-format
wusikijeronii Apr 14, 2026
dd464f8
win32_hook: use local search name in Hooked_GetProcAddress ordinal path
wusikijeronii Apr 14, 2026
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10 changes: 6 additions & 4 deletions renderdoc/os/win32/win32_hook.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -761,7 +761,7 @@ static bool OrdinalAsString(void *func)
return uint64_t(func) <= 0xffff;
}

FARPROC WINAPI Hooked_GetProcAddress(HMODULE mod, LPCSTR func)
FARPROC WINAPI Hooked_GetProcAddress(HMODULE mod, const LPCSTR func)
{
if(mod == NULL || func == NULL || mod == s_HookData->ownmodule)
return GetProcAddress(mod, func);
Expand Down Expand Up @@ -807,6 +807,8 @@ FARPROC WINAPI Hooked_GetProcAddress(HMODULE mod, LPCSTR func)
RDCDEBUG("Located module %s", it->first.c_str());
#endif

LPCSTR searchFunc = func;

if(OrdinalAsString((void *)func))
{
#if ENABLED(VERBOSE_DEBUG_HOOK)
Expand Down Expand Up @@ -835,14 +837,14 @@ FARPROC WINAPI Hooked_GetProcAddress(HMODULE mod, LPCSTR func)
return GetProcAddress(mod, func);
}

func = it->second.OrdinalNames[ordinal].c_str();
searchFunc = it->second.OrdinalNames[ordinal].c_str();

#if ENABLED(VERBOSE_DEBUG_HOOK)
RDCDEBUG("found ordinal %s", func);
RDCDEBUG("found ordinal %s", searchFunc);
#endif
}

FunctionHook search(func, NULL, NULL);
FunctionHook search(searchFunc, NULL, NULL);

auto found =
std::lower_bound(it->second.FunctionHooks.begin(), it->second.FunctionHooks.end(), search);
Expand Down
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