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[Bug gdb/20266] Broken gdb with Apple's macOS 10.12 Sierra Beta - SIGTRAP
- From: "palves at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: gdb-prs at sourceware dot org
- Date: Fri, 23 Sep 2016 19:19:32 +0000
- Subject: [Bug gdb/20266] Broken gdb with Apple's macOS 10.12 Sierra Beta - SIGTRAP
- Auto-submitted: auto-generated
- References: <bug-20266-4717@http.sourceware.org/bugzilla/>
https://sourceware.org/bugzilla/show_bug.cgi?id=20266
--- Comment #3 from Pedro Alves <palves at redhat dot com> ---
Note that "During startup program terminated..." indicates that it's the shell
that died. GDB starts the program like "sh -c '$program $arg1 $arg2'".
Usually, on Unix systems, gdb will see one SIGTRAP that indicates that the
shell execed the final program, and so gdb is now actually debugging the
program.
Maybe the problems is that now on macOS gdb needs to expect two traps.
See the START_INFERIOR_TRAPS_EXPECTED define in gdb's sources. Try bumping it.
But first try the "set startup-with-shell off" command.
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