[llvm-dev] Compilation error with MinGW

[Yaron Keren via llvm-dev]

Which mingw distribution exactly do you use?

2015-08-30 0:46 GMT+03:00 Slycelote via llvm-dev <llvm-dev at lists.llvm.org>:

> Hi all,
>
> I'm hitting the same problem as in this[1] thread. I use release_37
> branch on 64-bit Windows 7.
> The problem is here:
>
> #ifdef __MINGW32__
>  #include <imagehlp.h>
> #else
>  #include <dbghelp.h>
> #endif
>
> <skip>
>
> typedef BOOL (WINAPI
> *fpEnumerateLoadedModules)(HANDLE,PENUMLOADED_MODULES_CALLBACK64,PVOID);
>
> imagehlp.h doesn't define PENUMLOADED_MODULES_CALLBACK64 type.
> I fixed it on my side by the patch in the bottom of this email, but I
> don't know if it's the right approach in general.
>
> [1] http://comments.gmane.org/gmane.comp.compilers.clang.user/709
>
> -- Sly.
>
>
> diff --git a/lib/Support/Windows/DynamicLibrary.inc
> b/lib/Support/Windows/DynamicLibrary.inc
> index d38f197..b4c8f1b 100644
> --- a/lib/Support/Windows/DynamicLibrary.inc
> +++ b/lib/Support/Windows/DynamicLibrary.inc
> @@ -31,7 +31,16 @@ using namespace sys;
>  //===          and must not be UNIX code.
>
>  //===----------------------------------------------------------------------===//
>
> +#if defined(__MINGW32__) and !defined(_WIN64)
> +typedef BOOL (WINAPI
> *fpEnumerateLoadedModules)(HANDLE,PENUMLOADED_MODULES_CALLBACK,PVOID);
> +static const char* sEnumerateLoadedModules = "EnumerateLoadedModules";
> +typedef DWORD ModuleOffset;
> +#else
>  typedef BOOL (WINAPI
> *fpEnumerateLoadedModules)(HANDLE,PENUMLOADED_MODULES_CALLBACK64,PVOID);
> +static const char* sEnumerateLoadedModules = "EnumerateLoadedModules64";
> +typedef DWORD64 ModuleOffset;
> +#endif
> +
>  static fpEnumerateLoadedModules fEnumerateLoadedModules;
>  static DenseSet<HMODULE> *OpenedHandles;
>
> @@ -39,13 +48,13 @@ static bool loadDebugHelp(void) {
>    HMODULE hLib = ::LoadLibraryW(L"Dbghelp.dll");
>    if (hLib) {
>      fEnumerateLoadedModules = (fpEnumerateLoadedModules)
> -      ::GetProcAddress(hLib, "EnumerateLoadedModules64");
> +      ::GetProcAddress(hLib, sEnumerateLoadedModules);
>    }
>    return fEnumerateLoadedModules != 0;
>  }
>
>  static BOOL CALLBACK
> -ELM_Callback(WIN32_ELMCB_PCSTR ModuleName, DWORD64 ModuleBase,
> +ELM_Callback(WIN32_ELMCB_PCSTR ModuleName, ModuleOffset ModuleBase,
>               ULONG ModuleSize, PVOID UserContext) {
>    OpenedHandles->insert((HMODULE)ModuleBase);
>    return TRUE;
>
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