[Bug gdb/20679] GDB 7.11.1 crash

[Bug gdb/20679] GDB 7.11.1 crash

[tromey at sourceware dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=20679

Tom Tromey <tromey at sourceware dot org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Last reconfirmed|                            |2022-11-29
     Ever confirmed|0                           |1
             Status|UNCONFIRMED                 |WAITING
                 CC|                            |tromey at sourceware dot org

--- Comment #1 from Tom Tromey <tromey at sourceware dot org> ---
> /build/gdb-cXfXJ3/gdb-7.11.1/gdb/dwarf2-frame.c:690: internal-error: Unknown CFI encountered.

This means that the DWARF frame info had some opcode that
gdb did not understand.  If you still have the executable,
you can either attach it or you can examine it to find
out what it might be.

Otherwise I think we'll have to close this bug.

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[Bug gdb/20679] GDB 7.11.1 crash

[tromey at sourceware dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=20679

Tom Tromey <tromey at sourceware dot org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |romeo.berlov at gmail dot com

--- Comment #2 from Tom Tromey <tromey at sourceware dot org> ---
*** Bug 22418 has been marked as a duplicate of this bug. ***

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[Bug gdb/20679] GDB 7.11.1 crash

[tromey at sourceware dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=20679

Tom Tromey <tromey at sourceware dot org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |gamithh at gmail dot com

--- Comment #3 from Tom Tromey <tromey at sourceware dot org> ---
*** Bug 23257 has been marked as a duplicate of this bug. ***

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[Bug gdb/20679] GDB 7.11.1 crash

[tromey at sourceware dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=20679

--- Comment #4 from Tom Tromey <tromey at sourceware dot org> ---
See comment #1 -- with the appropriate executable (or possibly
shared library, unfortunately you can't tell from the error)
we could try to diagnose this.

I'm happy to walk someone through it if need be.
Essentially it is just scripting 'readelf --debug-dump=rawline'
and comparing the output to the "execute_cfa_program"
function to see which case, if any, is missing.
(Could also be some kind of bad info in the DWARF...)

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