Date: Mon, 19 Jan 1998 00:38:06 -0800 From: Amancio Hasty <hasty@rah.star-gate.com> To: sos@FreeBSD.ORG Cc: jdp@polstra.com, hackers@FreeBSD.ORG Subject: Re: elf and -current Message-ID: <199801190838.AAA22588@rah.star-gate.com> In-Reply-To: Your message of "Mon, 19 Jan 1998 09:29:31 %2B0100." <199801190829.JAA24199@sos.freebsd.dk>
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Hi,
I managed to build the tool chain and gcc-2.8 appears to work.
For instance , I compiled a speech recognition C++ library
which was bombing out with the stock gcc.
Now my most pressing problem is compiling gdb to support elf .
Tnks,
Amancio
> In reply to Amancio Hasty who wrote:
> >
> > Hi,
> >
> > I am trying to build the elf tool chain in 3.0 -current on my test box.
> > 3.0 -current is the October 6 Snapshot.
> >
> > Also has anyone managed to build the elf tool-chain with gcc-2.8?
> > with gcc-2.8 the dynamic loader bombs out
>
> Why on earth would you want to use gcc-2.8 ??
> Getting tha system ELF'ified is errorprone enough, you dont need extra
> "help" from a new (potentially) buggy compiler....
>
> > I sprinkle some prints in rtld.c :
> >
> > ~hasty/elfkit/tests/hello
> > a
> > ee
> > digest dynamic tag 16
> > digest dynamic tag 15
> > digest dynamic tag 4
> > digest dynamic tag 5
> > digest dynamic tag 6
> > digest dynamic tag 10
> > digest dynamic tag 11
> > digest dynamic tag 17
> > digest dynamic tag 18
> > digest dynamic tag 19
> > digest dynamic tag 22
> > text rel
> > c
> > e
> > oops: 825
> > Segmentation fault (core dumped)
> >
> > digest_dynamic(&obj_rtld);
> > xprintf("c \n");
> > assert(obj_rtld.needed == NULL);
> > xprintf("e \n");
> > assert(!obj_rtld.textrel); <<< this is where it dies
> > xprintf("elast \n");
> >
> >
> > ----
> >
> > Attempt to build native elf cc....
> >
> >
> > # setenv BINFORMAT elf
> > # make
> > ===> cc_tools
> > echo '#include "i386/freebsd-elf.h"' > tm.h
> > echo '#include "i386/xm-freebsd.h"' > config.h
> > echo '#include "i386/xm-freebsd.h"' > hconfig.h
> > echo '#include "i386/xm-freebsd.h"' > tconfig.h
> > echo '#include "cp/lang-options.h"' > options.h
> > echo '#include "cp/lang-specs.h"' > specs.h
> > echo '#include "f2c-specs.h"' >> specs.h
> > Warning: Object directory not changed from original
> > /usr/src/gnu/usr.bin/cc/cc_tools
> > ===> cc_int
> > Warning: Object directory not changed from original
> > /usr/src/gnu/usr.bin/cc/cc_int
> > ===> cpp
> > Warning: Object directory not changed from original /usr/src/gnu/usr.bin/cc/cpp
> > ===> cc1
> > Warning: Object directory not changed from original /usr/src/gnu/usr.bin/cc/cc1
> > ===> cc
> > Warning: Object directory not changed from original /usr/src/gnu/usr.bin/cc/cc
> > ===> cc1obj
> > Warning: Object directory not changed from original
> > /usr/src/gnu/usr.bin/cc/cc1obj
> > ===> cc1plus
> > Warning: Object directory not changed from original
> > /usr/src/gnu/usr.bin/cc/cc1plus
> > ===> c++
> > Warning: Object directory not changed from original /usr/src/gnu/usr.bin/cc/c++
> > ===> f77
> > Warning: Object directory not changed from original /usr/src/gnu/usr.bin/cc/f77
> > ===> libgcc
> > Warning: Object directory not changed from original
> > /usr/src/gnu/usr.bin/cc/libg
> > cc
> > /usr/src/gnu/usr.bin/cc/libgcc/../cc/cc -B/usr/src/gnu/usr.bin/cc/libgcc/../cc1
> > / -B/usr/src/gnu/usr.bin/cc/libgcc/../cpp/ -c -O -pipe -DFREEBSD_ELF
> > -I/usr/src/gnu/usr.bin/cc/libgcc/../../../../contrib/gcc
> > -I/usr/src/gnu/usr.bin/cc/libgcc/../../../../contrib/gcc/config
> > -DFREEBSD_NATIVE -DDEFAULT_TARGET_VERSION=\"2.7.2.1\"
> > -DDEFAULT_TARGET_MACHINE=\"i386-unknown-freebsdelf\"
> > -I/usr/src/gnu/usr.bin/cc/libgcc/../cc_tools -DL_divdi3 -o _divdi3.o
> > /usr/src/gnu/usr.bin/cc/libgcc/../../../../contrib/gcc/libgcc2.c
> > *unknown*: Assembler messages:
> > *unknown*:0: Warning: /usr/bin/as: I don't understand 'Q' flag.
> > *unknown*:0: Warning: /usr/bin/as: I don't understand 'y' flag.
> > {standard input}:4: Error: Unknown pseudo-op: `.section'
> > *** Error code 1
> >
> > Stop.
> > *** Error code 1
> >
> >
> > Tnks,
> > Amancio
> >
> >
> >
>
>
> -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
> Søren Schmidt (sos@FreeBSD.org) FreeBSD Core Team
> Even more code to hack -- will it ever end
> ..
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