Re: Failure to boot into cross built environment (iWMMXt NPTL EABI)

[Steven Newbury <s_j_newbury at yahoo dot co dot uk>]

--- Steven Newbury <s_j_newbury@yahoo.co.uk> wrote:

> 
> --- Steven Newbury <s_j_newbury@yahoo.co.uk> wrote:
> 
> > 
> > --- Steven Newbury <s_j_newbury@yahoo.co.uk> wrote:
> > 
> > > I rebuilt my toolchain and userspace again from scratch this time using
> > > glibc-2.4-r2.
> > > 
> > > The kernel is configured for EABI *only*. Kernel version is 2.6.16 +
> > patches
> > > for hardware support from
> http://www.rpsys.net/openzaurus/patches/archive/
> > > 
> > > Userspace is all built with -mabi=aapcs
> > > 
> > > On booting it just hangs while running init.  Looks like a syscall isn't
> > > returning perhaps?  Sysrq works and typing produces output on the screen
> so
> > > the
> > > kernel is running.
> > > 
> > > I am now rebuilding with old abi compatiblity and booting into another
> > distro
> > > (pdaXrom) with the same kernel.  I'll then see if I can run any EABI
> > binaries
> > > that way.
> > > 
> > This is interesting.  It seems that libgcc_s.so isn't being installed/built
> > by
> > the cross compilation of the native gcc for the target and it isn't copied
> > into
> > the target /lib from the build machines /usr/lib/gcc/..
> > 
> Using /mnt/cf/lib/ld-linux.so.3 --library-path /mnt/cf/lib /mnt/cf/bin/... I
> can get dynamically linked binaries to work.  I can't chroot because of the
> EABI/old ABI userspaces.
> 
> I don't seem to be able to compile a statically linked bash! Does anybody
> have
> one floating around that I could use, EABI obviously?
> 
> When linking with:
> 
> arm-iwmmxt-linux-gnueabi-gcc -L./builtins -L./lib/readline -L./lib/readline
> -L./lib/glob -L./lib/tilde -L./lib/malloc -L./lib/sh -static -static
> -rdynamic 
> -Os -mabi=aapcs -march=iwmmxt -mcpu=iwmmxt -fomit-frame-pointer -ffast-math
> -ftree-vectorize -pipe -o bash shell.o eval.o y.tab.o general.o make_cmd.o
> print_cmd.o  dispose_cmd.o execute_cmd.o variables.o copy_cmd.o error.o
> expr.o
> flags.o nojobs.o subst.o hashcmd.o hashlib.o mailcheck.o trap.o input.o
> unwind_prot.o pathexp.o sig.o test.o version.o alias.o array.o arrayfunc.o
> braces.o bracecomp.o bashhist.o bashline.o  list.o stringlib.o locale.o
> findcmd.o redir.o pcomplete.o pcomplib.o syntax.o xmalloc.o -lbuiltins -lsh
> -lreadline -lhistory -lcurses -lglob -ltilde -lmalloc
> 
> I get:
> 
> /usr/arm-iwmmxt-linux-gnueabi/usr/lib/libc.a(malloc.o): In function `free':
> malloc.c:(.text+0x1704): multiple definition of `free'
> ./lib/malloc/libmalloc.a(malloc.o):malloc.c:(.text+0x434): first defined here
>
/usr/lib/gcc/arm-iwmmxt-linux-gnueabi/4.1.1/../../../../arm-iwmmxt-linux-gnueabi/bin/ld:
> Warning: size of symbol `free' changed from 16 in
> ./lib/malloc/libmalloc.a(malloc.o) to 228 in
> /usr/arm-iwmmxt-linux-gnueabi/usr/lib/libc.a(malloc.o)
> /usr/arm-iwmmxt-linux-gnueabi/usr/lib/libc.a(malloc.o): In function `malloc':
> malloc.c:(.text+0x30f0): multiple definition of `malloc'
> ./lib/malloc/libmalloc.a(malloc.o):malloc.c:(.text+0xb34): first defined here
>
/usr/lib/gcc/arm-iwmmxt-linux-gnueabi/4.1.1/../../../../arm-iwmmxt-linux-gnueabi/bin/ld:
> Warning: size of symbol `malloc' changed from 16 in
> ./lib/malloc/libmalloc.a(malloc.o) to 552 in
> /usr/arm-iwmmxt-linux-gnueabi/usr/lib/libc.a(malloc.o)
> /usr/arm-iwmmxt-linux-gnueabi/usr/lib/libc.a(malloc.o): In function
> `realloc':
> malloc.c:(.text+0x35c8): multiple definition of `realloc'
> ./lib/malloc/libmalloc.a(malloc.o):malloc.c:(.text+0xf3c): first defined here
>
/usr/lib/gcc/arm-iwmmxt-linux-gnueabi/4.1.1/../../../../arm-iwmmxt-linux-gnueabi/bin/ld:
> Warning: size of symbol `realloc' changed from 36 in
> ./lib/malloc/libmalloc.a(malloc.o) to 516 in
> /usr/arm-iwmmxt-linux-gnueabi/usr/lib/libc.a(malloc.o)
> 
> Or if I use --without-bash-malloc, I get:
> arm-iwmmxt-linux-gnueabi-gcc -L./builtins -L./lib/readline -L./lib/readline
> -L./lib/glob -L./lib/tilde  -L./lib/sh -static -static -rdynamic  -Os
> -mabi=aapcs -march=iwmmxt -mcpu=iwmmxt -fomit-frame-pointer -ffast-math
> -ftree-vectorize -pipe -o bash shell.o eval.o y.tab.o general.o make_cmd.o
> print_cmd.o  dispose_cmd.o execute_cmd.o variables.o copy_cmd.o error.o
> expr.o
> flags.o nojobs.o subst.o hashcmd.o hashlib.o mailcheck.o trap.o input.o
> unwind_prot.o pathexp.o sig.o test.o version.o alias.o array.o arrayfunc.o
> braces.o bracecomp.o bashhist.o bashline.o  list.o stringlib.o locale.o
> findcmd.o redir.o pcomplete.o pcomplib.o syntax.o xmalloc.o -lbuiltins -lsh
> -lreadline -lhistory -lcurses -lglob -ltilde
> 
> Resulting in:
> 
> ./lib/sh/libsh.a(shmatch.o): In function `sh_regmatch':
> shmatch.c:(.text+0x184): undefined reference to `sh_xfree'
> shmatch.c:(.text+0x194): undefined reference to `sh_xfree'
> 
It's OK, I managed to get bash to build with the flags below:

./configure --host arm-iwmmxt-linux-gnueabi --build i686-pc-linux-gnu
--enable-static-link --without-bash-malloc --enable-minimal
--disable-array-variables


Steve


		
___________________________________________________________ 
24 FIFA World Cup tickets to be won with Yahoo! Mail http://uk.mail.yahoo.com

--
For unsubscribe information see http://sourceware.org/lists.html#faq