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Improve instructions for dealing with Emacs crashes

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* doc/emacs/trouble.texi (Crashing): Show the variant of the
'addr2line' command for MS-Windows.
This commit is contained in:
Eli Zaretskii 2023-05-09 07:52:04 +03:00
parent e6b4784a37
commit 387ddc0ccc
1 changed files with 28 additions and 6 deletions
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34
doc/emacs/trouble.texi
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@ -313,14 +313,36 @@ sed -n 's/.*\[\(.*\)]$/\1/p' @var{backtrace} |
addr2line -C -f -i -p -e @var{bindir}/@var{emacs-binary} addr2line -C -f -i -p -e @var{bindir}/@var{emacs-binary}
@end example @end example
@noindent
On MS-Windows, the backtrace looks somewhat differently, for example:
@example
Backtrace:
00007ff61166a12e
00007ff611538be1
00007ff611559601
00007ff6116ce84a
00007ff9b7977ff0
@dots{}
@end example
@noindent
Therefore, the filtering via @command{sed} is not required, and the
command to show the source-code line number is
@example
addr2line -C -f -i -p -e @var{bindir}/@var{emacs-binary} < @var{backtrace}
@end example
@noindent @noindent
Here, @var{backtrace} is the name of a text file containing a copy of Here, @var{backtrace} is the name of a text file containing a copy of
the backtrace, @var{bindir} is the name of the directory that the backtrace (on MS-Windows, @file{emacs_backtrace.txt} in the
contains the Emacs executable, and @var{emacs-binary} is the name of directory where Emacs was started), @var{bindir} is the name of the
the Emacs executable file, normally @file{emacs} on GNU and Unix directory that contains the Emacs executable, and @var{emacs-binary}
systems and @file{emacs.exe} on MS-Windows and MS-DOS@. Omit the is the name of the Emacs executable file, normally @file{emacs} on GNU
@option{-p} option if your version of @command{addr2line} is too old and Unix systems and @file{emacs.exe} on MS-Windows and MS-DOS@. Omit
to have it. the @option{-p} option if your version of @command{addr2line} is too
old to have it.
@cindex core dump @cindex core dump
Optionally, Emacs can generate a @dfn{core dump} when it crashes, on Optionally, Emacs can generate a @dfn{core dump} when it crashes, on