<div dir="ltr"><div><div><div><div>Made it a bit further. Here's the current code:<br><br>void llvm_load_IR_library(char *path)<br>{<br> char *error;<br> LLVMExecutionEngineRef engine;<br> object0_t* (*func)(void), *output;<br> LLVMContextRef global_context;<br> LLVMMemoryBufferRef module;<br> LLVMModuleRef ir_lib_module;<br> bool flag;<br><br> printf("loading IR library from path: %s\n", path);<br><br> LLVMCreateMemoryBufferWithContentsOfFile(path, &module, &error);<br><br> global_context = LLVMGetGlobalContext();<br><br> flag = LLVMGetBitcodeModuleInContext2(global_context, module, &ir_lib_module);<br><br> printf("LLVMGetBitcodeModuleInContext2() returned %d\n", flag);<br> <br> LLVMVerifyModule(ir_lib_module, LLVMAbortProcessAction, &error);<br> LLVMDumpModule(ir_lib_module);<br><br> if (LLVMCreateExecutionEngineForModule(&engine, ir_lib_module, &error) != 0) {<br> fprintf(stderr, "failed to create execution engine\n");<br> abort();<br> }<br><br> // Call the function<br> func = (object0_t * (*)(void))LLVMGetFunctionAddress(engine, "test");<br> output = (*func)();<br>}<br><br></div>when this code is executed, i see:<br><br>...<br>LLVMGetBitcodeModuleInContext2() returned 0<br>; ModuleID = '/home/toshi/tensyr/debug_build/test.bc'<br>source_filename = "test.c"<br>target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"<br>target triple = "x86_64-unknown-linux-gnu"<br><br>@str = private unnamed_addr constant [16 x i8] c"test successful\00"<br><br>; Materializable<br>; Function Attrs: nounwind uwtable<br>define void @test() local_unnamed_addr #0 {}<br><br>; Function Attrs: nounwind<br>declare i32 @puts(i8* nocapture readonly) #1<br><br>attributes #0 = { nounwind uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }<br>attributes #1 = { nounwind }<br><br>!llvm.ident = !{!0}<br><br>!0 = !{!"clang version 3.9.1 (tags/RELEASE_391/final)"}<br>failed to create execution engine<br>Aborted (core dumped)<br><br></div>Not sure why LLVMCreateExecutionEngineForModule is failing.<br></div>Any help appreciated.<br><br></div>Toshi<br><br></div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Mar 8, 2017 at 3:56 PM, Toshiyasu Morita <span dir="ltr"><<a href="mailto:toshi@tensyr.com" target="_blank">toshi@tensyr.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><span class=""><span class="m_-9171418793383708215gmail-im"><blockquote type="cite"><div dir="ltr"><div>Or do you mean I need to load the module into memory before
calling LLVMGetBitcodeModuleInContext2<wbr>?<br>
</div>
</div>
</blockquote>
<br></span>
> Yes, you need to load the module into memory first.<br>> LLVMCreateMemoryBufferWithCont<wbr>entsOfFile will do that for you.</span><div class="m_-9171418793383708215gmail-yj6qo m_-9171418793383708215gmail-ajU"><div id="m_-9171418793383708215gmail-:z5" class="m_-9171418793383708215gmail-ajR"><img class="m_-9171418793383708215gmail-ajT" src="https://ssl.gstatic.com/ui/v1/icons/mail/images/cleardot.gif"><br></div><div id="m_-9171418793383708215gmail-:z5" class="m_-9171418793383708215gmail-ajR">Thanks!<br><br></div></div></div><div class="HOEnZb"><div class="h5"><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Mar 8, 2017 at 3:48 PM, Friedman, Eli <span dir="ltr"><<a href="mailto:efriedma@codeaurora.org" target="_blank">efriedma@codeaurora.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div bgcolor="#FFFFFF" text="#000000"><span>
<div class="m_-9171418793383708215m_3832703634050351426moz-cite-prefix">On 3/8/2017 3:44 PM, Toshiyasu Morita
wrote:<br>
</div>
<blockquote type="cite">
<div dir="ltr">
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<div>
<div><span class="m_-9171418793383708215m_3832703634050351426gmail-im">
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><br>
module_path = LLVMCreateMemoryBufferWithMemo<wbr>ryRange(path,
strlen(path), "path", 1);<br>
</blockquote>
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</span>
LLVMCreateMemoryBufferWithCont<wbr>entsOfFile takes a
path.<br>
</div>
<br>
</div>
Erm...no...the code is calling
LLVMCreateMemoryBufferWithMemo<wbr>ryRange, not
LLVMCreateMemoryBufferWithCont<wbr>entsOfFile...<br>
<br>
</div>
Or do you mean I need to load the module into memory before
calling LLVMGetBitcodeModuleInContext2<wbr>?<br>
</div>
</div>
</blockquote>
<br></span>
Yes, you need to load the module into memory first.
LLVMCreateMemoryBufferWithCont<wbr>entsOfFile will do that for you.<span><br>
<br>
-Eli<br>
<pre class="m_-9171418793383708215m_3832703634050351426moz-signature" cols="72">--
Employee of Qualcomm Innovation Center, Inc.
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project</pre>
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