Date: Wed, 16 Dec 2020 00:06:27 +0000 From: Jessica Clarke <jrtc27@freebsd.org> To: John Baldwin <jhb@FreeBSD.org> Cc: Ed Maste <emaste@FreeBSD.org>, src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r368667 - in head: . gnu/usr.bin gnu/usr.bin/binutils gnu/usr.bin/gdb tools/build/mk Message-ID: <DDC10DA3-BA28-47D1-B202-7D23EB2DD254@freebsd.org> In-Reply-To: <7b56af12-94db-5ed0-1fc7-866d33a8b1e7@FreeBSD.org> References: <202012151744.0BFHiJfd093834@repo.freebsd.org> <7b56af12-94db-5ed0-1fc7-866d33a8b1e7@FreeBSD.org>
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On 15 Dec 2020, at 23:25, John Baldwin <jhb@FreeBSD.org> wrote: > On 12/15/20 9:44 AM, Ed Maste wrote: >> Author: emaste >> Date: Tue Dec 15 17:44:19 2020 >> New Revision: 368667 >> URL: https://svnweb.freebsd.org/changeset/base/368667 >> >> Log: >> Retire obsolete GDB 6.1.1 >> >> GDB 6.1.1 was released in June 2004 and is long obsolete. It does not >> support all of the architectures that FreeBSD does, and imposes >> limitations on the FreeBSD kernel build, such as the continued use of >> DWARF2 debugging information. >> >> It was kept (in /usr/libexec/) only for use by crashinfo(8), which >> extracts some basic information from a kernel core dump after a crash. >> Crashinfo already prefers gdb from port/package if installed. >> >> Future work may add kernel debug support to LLDB or find another path >> for crashinfo's needs, but in any case we do not want to ship the >> excessively outdated GDB in FreeBSD 13. >> >> Sponsored by: The FreeBSD Foundation >> Differential Revision: https://reviews.freebsd.org/D27610 > > Are you going to remove the -gdwarf-2 bits from kern.mk now? > > (Does ctfconvert support newer DWARF?) cddl/contrib/opensolaris/tools/ctf/cvt/dwarf.c:1964-1968: debug(1, "DWARF version: %d\n", vers); if (vers < 2 || vers > 4) { terminate("file contains incompatible version %d DWARF code " "(version 2, 3 or 4 required)\n", vers); } (since r261025) Though that doesn't mean it works... Jess
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