[Bug c++/26912] "file" command causes core dump while specifying the executable on the command line does not

["Samuel.r.warner at me dot com" <sourceware-bugzilla@sourceware.org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=26912

--- Comment #14 from Sam Warner <Samuel.r.warner at me dot com> ---
Success - null-pointer gone when using ‘-file’ command.

I hand edited solid-darwin.c, and used the following:

  //
  // from Simon Marchi, put in here by Sam Warner as couldn't find the patch
  //
  /* Everything below only makes sense if we have a running inferior.  */
  if (!target_has_execution_current() )
    return;

I used target_has_execution_current() to get around some header file issue
where target_has_execution wasn’t being defined in my environment.  I’ll go
research that next.  After solving the header so I use the exact changes Simon
had, then I’ll run the test-suite.

Thank you Simon,


Sam

…. edited from command shell … (make it easier to read)
sam@gdbdev--1- gdb-10.2 % gdb
--data-directory=/Users/sam/Documents/gdb-10.2/gdb/data-directory gdb
GNU gdb (GDB) 10.2
Copyright (C) 2021 Free Software Foundation, Inc.
(top-gdb) run -q
(gdb) file /Users/sam/Documents/gdb-10.2/gdb/gdb
Reading symbols from /Users/sam/Documents/gdb-10.2/gdb/gdb...
(top-gdb) 




> On Jul 3, 2021, at 10:25 AM, Sam Warner <samuel.r.warner@me.com> wrote:
> 
> Hi Simon,
>    I’ve been unable to find this patch on https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git <https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git>   I tried searching based on Change-ID, and other items listed within the thread, and even your name.  Can you point me to the patch?
> 
>    You do show the source changes you made.  I will go make the source changes to solid-darwin.c and test.  If you can point me to the patch that’d be great.
> 
> Sam
> 
>> On Jul 2, 2021, at 3:51 PM, simark at simark dot ca <sourceware-bugzilla@sourceware.org <mailto:sourceware-bugzilla@sourceware.org>> wrote:
>> 
>> https://sourceware.org/bugzilla/show_bug.cgi?id=26912 <https://sourceware.org/bugzilla/show_bug.cgi?id=26912>
>> 
>> --- Comment #11 from Simon Marchi <simark at simark dot ca> ---
>> (In reply to Sam Warner from comment #9)
>>> Can I change the bug to Confirmed and assign myself (WIP on using Simon's
>>> source modifications (simark), and if not resolved by these continue to
>>> investigate-resolve)?
>> 
>> Here's the patch in question:
>> 
>> https://sourceware.org/pipermail/gdb-patches/2021-June/180396.html
>> 
>> Can you just verify if this fixes the problem for you?  If so I'll commit it to
>> the master branch.
>> 
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