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Posted to issues@beam.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2019/09/16 17:51:00 UTC

[jira] [Work logged] (BEAM-8242) Go: unregistered Go functions fail when using -buildmode=pie

     [ https://issues.apache.org/jira/browse/BEAM-8242?focusedWorklogId=313215&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-313215 ]

ASF GitHub Bot logged work on BEAM-8242:
----------------------------------------

                Author: ASF GitHub Bot
            Created on: 16/Sep/19 17:50
            Start Date: 16/Sep/19 17:50
    Worklog Time Spent: 10m 
      Work Description: ianlancetaylor commented on pull request #9585: [BEAM-8242] Support -buildmode=pie with unregistered Go functions
URL: https://github.com/apache/beam/pull/9585
 
 
   When fetching function addresses from the symbol table, adjust them by the offset between the symbol table address and the execution address.
   
   ------------------------
   
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Issue Time Tracking
-------------------

    Worklog Id:     (was: 313215)
    Time Spent: 10m

> Go: unregistered Go functions fail when using -buildmode=pie
> ------------------------------------------------------------
>
>                 Key: BEAM-8242
>                 URL: https://issues.apache.org/jira/browse/BEAM-8242
>             Project: Beam
>          Issue Type: Bug
>          Components: sdk-go
>    Affects Versions: 2.15.0
>         Environment: GNU/Linux
>            Reporter: Ian Lance Taylor
>            Priority: Major
>   Original Estimate: 0h
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> If a Go program is built with -buildmode=pie, the code that transfers an unregistered function fails.  It looks up the symbol in the symbol table, but that is not the location of the function at execution time.  This causes a program crash when calling the function.
> I have a patch for this problem that I will send shortly.



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