<html><body><p><font size="2">Hi Alex,</font><br><br><font size="2">Tested the master branch, which has the same behavior as V4.0 branch.</font><br><font size="2">Just wonder how to debug the compiler swift code if the debugger is not able to show the values.</font><br><br><br><font size="2">Thanks,</font><br><font size="2"> </font><br><font size="2">Sam Ding,</font><br><font size="2">Linux on z Systems Open Source Ecosystem</font><br><font size="2">IBM Toronto Lab, <br></font><font size="2" color="#0000FF">email: </font><font size="2">samding@ca.ibm.com</font><br><font size="2" color="#0000FF">phone:</font><font size="2"> (905)413-2947</font><br><br><img width="16" height="16" src="cid:1__=8FBB0B24DFF1A2078f9e8a93df938690918c8FB@" border="0" alt="Inactive hide details for Alex Blewitt ---10/07/2017 11:33:00 AM---Do you see the same issue if you build from master? Alex"><font size="2" color="#424282">Alex Blewitt ---10/07/2017 11:33:00 AM---Do you see the same issue if you build from master? Alex</font><br><br><font size="2" color="#5F5F5F">From: </font><font size="2">Alex Blewitt <alblue@apple.com></font><br><font size="2" color="#5F5F5F">To: </font><font size="2">Sam Ding <samding@ca.ibm.com></font><br><font size="2" color="#5F5F5F">Cc: </font><font size="2">swift-dev <swift-dev@swift.org></font><br><font size="2" color="#5F5F5F">Date: </font><font size="2">10/07/2017 11:33 AM</font><br><font size="2" color="#5F5F5F">Subject: </font><font size="2">Re: [swift-dev] Debugger (lldb or gdb) does not show variable value in swift code</font><br><font size="2" color="#5F5F5F">Sent by: </font><font size="2">alblue@apple.com</font><br><hr width="100%" size="2" align="left" noshade style="color:#8091A5; "><br><br><br>Do you see the same issue if you build from master?<br><br>Alex<br>
<ul><ul>On 7 Oct 2017, at 00:30, Sam Ding via swift-dev <<a href="mailto:swift-dev@swift.org"><u><font color="#0000FF">swift-dev@swift.org</font></u></a>> wrote:<br>
<p><font size="2">Hi,</font><br><font size="2"><br>I build swift compiler (v4.0) with debug mode ("-d"), however when debugging compiler swift code, it can not<br>show the variable value. Here is an example:</font><ul><ul><ul><ul><font size="2">frame #0: 0x00007ffff761d50c libswiftCore.so`_allocateUninitializedArray<A>(builtinCount=1) at Arrays.swift:3347<br>3344 func _allocateUninitializedArray<Element>(_ builtinCount: Builtin.Word)<br>3345 -> (Array<Element>, Builtin.RawPointer) {<br>3346 let count = Int(builtinCount)<br>-> 3347 if count > 0 {<br>3348 // Doing the actual buffer allocation outside of the array.uninitialized<br>3349 // semantics function enables stack propagation of the buffer.<br>3350 let bufferObject = Builtin.allocWithTailElems_1(<br>Target 0: (ww) stopped.<br>(lldb)</font><font size="2" color="#0000FF"> p count</font><font size="2" color="#E12000"><br>error: in auto-import:<br>failed to get module 'Builtin' from AST context</font><font size="2"><br>(lldb)</font></ul></ul></ul></ul><font size="2"><br>This happens on both x86_64 and s390x platforms. <br>Is there any way to make the debugger show the variable values?</font><br><font size="2"><br>Thanks,</font><br><font size="2"><br>Sam Ding,<br>Linux on z Systems Open Source Ecosystem<br>IBM Toronto Lab, </font><font size="2" color="#0000FF"><br>email: </font><a href="mailto:samding@ca.ibm.com"><u><font size="2" color="#0000FF">samding@ca.ibm.com</font></u></a><font size="2" color="#0000FF"><br>phone:</font><font size="2"> (905)413-2947</font><br>_______________________________________________<br>swift-dev mailing list<u><font color="#0000FF"><br></font></u><a href="mailto:swift-dev@swift.org"><u><font color="#0000FF">swift-dev@swift.org</font></u></a><br><a href="https://lists.swift.org/mailman/listinfo/swift-dev">https://lists.swift.org/mailman/listinfo/swift-dev</a></ul></ul><br><br><BR>
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