Date: Tue, 8 Dec 2015 12:31:11 +0000 From: David Chisnall <theraven@FreeBSD.org> To: Ray Newman <ray@woopwoop.com> Cc: FreeBSD-current@FreeBSD.org Subject: Re: Dwarf problem with gcc and gdb Message-ID: <259B859F-93DD-4989-8E0C-2B7635966F0F@FreeBSD.org> In-Reply-To: <CBA7FABE-5869-4A17-8858-D4A9AD14D830@woopwoop.com> References: <CBA7FABE-5869-4A17-8858-D4A9AD14D830@woopwoop.com>
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The gdb in the base system doesn=E2=80=99t support DWARF4. Use gdb791 =
or lldb-devel from ports (I believe gdb791 is probably a better bet on =
ARM, currently).
David
> On 8 Dec 2015, at 09:02, Ray Newman <ray@woopwoop.com> wrote:
>=20
> Hi,
>=20
> Compiled using gcc (FreeBSD Ports Collection) 4.8.5 on arm (Raspberry =
Pi - several versions); BSDmakefile attached (make test used).
> gdb gives:
> GNU gdb 6.1.1 [FreeBSD]
> Copyright 2004 Free Software Foundation, Inc.
> GDB is free software, covered by the GNU General Public License, and =
you are
> welcome to change it and/or distribute copies of it under certain =
conditions.
> Type "show copying" to see the conditions.
> There is absolutely no warranty for GDB. Type "show warranty" for =
details.
> This GDB was configured as "armv6-marcel-freebsd"...Dwarf Error: wrong =
version in compilation unit header (is 4, should be 2) [in module =
/home/ray/mumps/mumps]
>=20
> I need to fix this to find the *real* problem.
>=20
> Thanks, Ray
>=20
>=20
> # Makefile for MUMPS BSD
> # Copyright (c) Raymond Douglas Newman, 1999 - 2014
> # with help from Sam Habiel
>=20
> CC =3D gcc
> LIBS =3D -lm -lcrypt
> EXTRA =3D -O -Wall -Iinclude
>=20
> .ifmake test
> EXTRA =3D -O0 -g -gdwarf-2 -gstrict-dwarf -ggdb -Wall -Iinclude
> .endif
>=20
> SUBDIRS=3Dcompile database init runtime seqio symbol util xcall
>=20
> RM=3Drm -f
>=20
> PROG =3D mumps
>=20
> OBJS =3D compile/dollar.o \
> compile/eval.o \
> compile/localvar.o \
> compile/parse.o \
> compile/routine.o \
> database/db_buffer.o \
> database/db_daemon.o \
> database/db_get.o \
> database/db_ic.o \
> database/db_kill.o \
> database/db_locate.o \
> database/db_main.o \
> database/db_rekey.o \
> database/db_set.o \
> database/db_uci.o \
> database/db_util.o \
> database/db_view.o \
> init/init_create.o \
> init/init_run.o \
> init/init_start.o \
> init/mumps.o \
> runtime/runtime_attn.o \
> runtime/runtime_buildmvar.o \
> runtime/runtime_debug.o \
> runtime/runtime_func.o \
> runtime/runtime_math.o \
> runtime/runtime_pattern.o \
> runtime/runtime_run.o \
> runtime/runtime_ssvn.o \
> runtime/runtime_util.o \
> runtime/runtime_vars.o \
> seqio/SQ_Util.o \
> seqio/SQ_Signal.o \
> seqio/SQ_Device.o \
> seqio/SQ_File.o \
> seqio/SQ_Pipe.o \
> seqio/SQ_Seqio.o \
> seqio/SQ_Socket.o \
> seqio/SQ_Tcpip.o \
> symbol/symbol_new.o \
> symbol/symbol_util.o \
> util/util_key.o \
> util/util_lock.o \
> util/util_memory.o \
> util/util_routine.o \
> util/util_share.o \
> util/util_strerror.o \
> xcall/xcall.o
>=20
> .c.o:
> ${CC} ${EXTRA} -c $< -o $@
>=20
> all: ${OBJS}
> ${CC} ${EXTRA} -o ${PROG} ${OBJS} ${LIBS}
>=20
> test: ${OBJS}
> ${CC} ${EXTRA} -o ${PROG} ${OBJS} ${LIBS}
>=20
> clean:
> rm -f ${OBJS} ${PROG} ${PROG}.core
>=20
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