Date: Mon, 15 Jan 2018 10:51:15 -0800 From: Chuck Tuffli <chuck@tuffli.net> To: Benjamin Kaduk <kaduk@mit.edu> Cc: freebsd-hackers@freebsd.org Subject: Re: examining Linux core file? Message-ID: <CAM0tzX04jAFiAxMX4SpJJzTuOyZP4E8PjBbYes%2BTBR_ks6oosA@mail.gmail.com> In-Reply-To: <20180115033127.GE72574@mit.edu> References: <CAM0tzX1GNvO%2BKWTi5=08C=uyeH3BKtWY=01RKXoM79t%2BzwR9Tg@mail.gmail.com> <20180115033127.GE72574@mit.edu>
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On Sun, Jan 14, 2018 at 7:31 PM, Benjamin Kaduk <kaduk@mit.edu> wrote: > On Sun, Jan 14, 2018 at 07:57:01AM -0800, Chuck Tuffli wrote: >> If a Linux application running under the Linux emulation (a.k.a. >> Linuxulator) core dumps, is it possible to examine the resulting core >> file? lldb didn't seem to like it: > > I wonder how a Linux gdb running under the Linuxulator would fare > with it? Sorry, that's what I was trying to show with the last example. The Linux gdb from CentOS running under the Linuxulator gives: # gdb -q ./testcases/bin/mremap05 mremap05.core Reading symbols from /opt/ltp/testcases/bin/mremap05...done. warning: A handler for the OS ABI "FreeBSD ELF" is not built into this configuration of GDB. Attempting to continue with the default i386:x86-64 settings. "/opt/ltp/mremap05.core": no core file handler recognizes format --chuck
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