[LLVMdev] printd ( me, again )

[Lang Hames]

Hi Manoel,

The following patch works for me. What platform are you running on?

- Lang.

On Fri, Apr 10, 2015 at 10:54 AM, Manoel Teixeira <mbsteixeira at gmail.com>
wrote:

>
> Hi, Lang.
>
> I'm trying  to solve the problem alone, but I'm failling.
>
> See this test , using your orc example:
> ready> extern printd(x)
> printd(4);
> ready> Expression function:
> ; ModuleID = 'jit_module_1'
> target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
>
> define double @__anon_expr() {
> entry:
>   %calltmp = call double @printd(double 4.000000e+00)
>   ret double %calltmp
> }
>
> declare  double @printd(double)
> LLVM ERROR: Unknown section in relocation
>
> I've provided the passes you told me :
> ExternalSymbols[Mangle("printd")] = (uint64_t)&printd;
>   auto Resolver = createLambdaResolver(
>                       [&](const std::string &Name) {
>
>                         /// Try the JIT first....
>                         if (auto Sym = findSymbol(Name))
>                           return RuntimeDyld::SymbolInfo(Sym.getAddress(),
>                                                          Sym.getFlags());
>
>                         // Try the external symbols map...
>                         if (auto Addr = ExternalSymbols.lookup(Name))
>                           return RuntimeDyld::SymbolInfo(Addr,
>
>  JITSymbolFlags::Exported);
>
>                         // Symbol not found.
>                         return RuntimeDyld::SymbolInfo(nullptr);
>                       },
>                       [](const std::string &S) { return nullptr; }
>                     );
>
> if I use only a simple expression, it runs ok.
> ready> 4;
> Expression function:
> ; ModuleID = 'jit_module_1'
> target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
>
> define double @__anon_expr() {
> entry:
>   ret double 4.000000e+00
> }
> Evaluated to 4.000000
>
> The lambda function was not called any time. Is there any aditional step
> to make it be called?
>
> Cheers,
> Manoel.
>
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