[Bug gdb/26304] New: info registers command crashes for x86_64-w64-mingw32 target, windows 10 64b OS

[Bug gdb/26304] New: info registers command crashes for x86_64-w64-mingw32 target, windows 10 64b OS

[edwinvp at xs4all dot nl]

https://sourceware.org/bugzilla/show_bug.cgi?id=26304

            Bug ID: 26304
           Summary: info registers command crashes for x86_64-w64-mingw32
                    target, windows 10 64b OS
           Product: gdb
           Version: 8.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: gdb
          Assignee: unassigned at sourceware dot org
          Reporter: edwinvp at xs4all dot nl
  Target Milestone: ---

Steps to reproduce:

- set up 64-bit MinGW environment
- compile and link a simple hello world c++ console application with gcc (also
versioned 8.1.0)
- start debugging EXE file with gdb
- set breakpoint for instance on the main function (b main)
- run info registers command (i r)
- Debugger now unexpectedly quits and returns you to the command line.

Note: the 32-bit version of gdb doesn't do this, only 64-bit.

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[Bug gdb/26304] info registers command crashes for x86_64-w64-mingw32 target, windows 10 64b OS

[edwinvp at xs4all dot nl]

https://sourceware.org/bugzilla/show_bug.cgi?id=26304

--- Comment #1 from E.van Putten <edwinvp at xs4all dot nl> ---
Similar bug seems to be posted here:

https://sourceforge.net/p/mingw-w64/bugs/731/

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[Bug gdb/26304] info registers command crashes for x86_64-w64-mingw32 target, windows 10 64b OS

[edwinvp at xs4all dot nl]

https://sourceware.org/bugzilla/show_bug.cgi?id=26304

--- Comment #2 from E.van Putten <edwinvp at xs4all dot nl> ---
The steps to reproduce may have failed to mention that the intention is to
first run the app until it actually hits the breakpoint. Then run the "info
registers" command.

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[Bug gdb/26304] info registers command crashes for x86_64-w64-mingw32 target, windows 10 64b OS

[simark at simark dot ca]

https://sourceware.org/bugzilla/show_bug.cgi?id=26304

Simon Marchi <simark at simark dot ca> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |simark at simark dot ca

--- Comment #3 from Simon Marchi <simark at simark dot ca> ---
Thanks for the report.  Would it be possible for you to build GDB from the
master branch and confirm the bug is still there?

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[Bug gdb/26304] info registers command crashes for x86_64-w64-mingw32 target, windows 10 64b OS

[edwinvp at xs4all dot nl]

https://sourceware.org/bugzilla/show_bug.cgi?id=26304

--- Comment #4 from E.van Putten <edwinvp at xs4all dot nl> ---
Tried to build gdb from git repo with MinGW but after several attempts with
each time different build errors it was clearly time for another strategy.

Next, tried cygwin, which conveniently offers various packaged versions of gdb
and here's the result:

8.0.1 ok
8.1.1 segfault
8.2.1 ok
8.3.1 ok
9.1 ok
9.2 ok

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[Bug gdb/26304] info registers command crashes for x86_64-w64-mingw32 target, windows 10 64b OS

[simark at simark dot ca]

https://sourceware.org/bugzilla/show_bug.cgi?id=26304

Simon Marchi <simark at simark dot ca> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |INVALID
             Status|UNCONFIRMED                 |RESOLVED

--- Comment #5 from Simon Marchi <simark at simark dot ca> ---
So it looks like it was a regression in 8.1.1, later fixed.  I've tried on a
somewhat recent build of GDB on mingw-w64 I have lying around
(10.0.50.20200514-git) and I can't reproduce.

I'll close this bug, but if you ever manage to reproduce it on a more recent
version (>= 10), please re-open, or open a new bug.

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[Bug gdb/26304] info registers command crashes for x86_64-w64-mingw32 target, windows 10 64b OS

[ssbssa at sourceware dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=26304

Hannes Domani <ssbssa at sourceware dot org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|INVALID                     |DUPLICATE
                 CC|                            |ssbssa at sourceware dot org

--- Comment #6 from Hannes Domani <ssbssa at sourceware dot org> ---


*** This bug has been marked as a duplicate of bug 22854 ***

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