RE: SIGSEGV issue

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Hi Andrew,

I just want to thank you for all the pieces of info you provided. I am sure
these top posting exchanges will at least help people choose the best ARM
toolchain for their java development. I hope they will not be confused if I
confused them in any manner. :-)

Best Regards,
David Sayada.

-----Original Message-----
From: Andrew Haley [mailto:aph-gcc@xxxxxxxxxxxxxxxxxxx] 
Sent: Thursday, September 06, 2007 12:49 PM
To: David Sayada
Cc: classpath@xxxxxxx; 'Amnon David'
Subject: RE: SIGSEGV issue

David Sayada writes:
 > Hi Andrew,
 > 
 > Opening your link, I have noticed that the fcheck-references is defined
for
 > arm-elf CPU. Also the arm-elf family is compatible with the processor I
am
 > working with (PXA270). Then I will build a new toolchain for arm-elf
based
 > on gcc 4.1.2 and make new tests.

This top-posting is very confusing.  Please stop.

This is what matters:

 arm*-linux* )
	slow_pthread_self=no
	can_unwind_signal=no
	CHECKREFSPEC=-fcheck-references
	DIVIDESPEC=-fuse-divide-subroutine
	;;

 > 
 > What do you think?

It might work.

Andrew.


 > 
 > Best Regards,
 > David Sayada.
 > 
 > -----Original Message-----
 > From: Andrew Haley [mailto:aph-gcc@xxxxxxxxxxxxxxxxxxx] 
 > Sent: Thursday, September 06, 2007 12:21 PM
 > To: David Sayada
 > Cc: classpath@xxxxxxx; 'Amnon David'
 > Subject: RE: SIGSEGV issue
 > 
 > David Sayada writes:
 >  > 
 >  > Reading specs from
 >  >
 >
/opt/crosstool/gcc-4.1.2-glibc-2.3.2/arm-unknown-linux-gnu/bin/../lib/gcc/ar
 >  >
 >
m-unknown-linux-gnu/4.1.2/../../../../arm-unknown-linux-gnu/lib/libgcj.spec
 >  > rename spec lib to liborig
 >  > Target: arm-unknown-linux-gnu
 >  > Configured with:
 >  >
 >
/opt/test/crosstool-0.43/build/arm-unknown-linux-gnu/gcc-4.1.2-glibc-2.3.2/g
 >  > cc-4.1.2/configure --target=arm-unknown-linux-gnu
 >  > --host=i686-host_pc-linux-gnu
 >  > --prefix=/opt/crosstool2/gcc-4.1.2-glibc-2.3.2/arm-unknown-linux-gnu
 >  >
 >
--with-headers=/opt/crosstool2/gcc-4.1.2-glibc-2.3.2/arm-unknown-linux-gnu/a
 >  > rm-unknown-linux-gnu/include
 >  >
 >
--with-local-prefix=/opt/crosstool2/gcc-4.1.2-glibc-2.3.2/arm-unknown-linux-
 >  > gnu/arm-unknown-linux-gnu --disable-nls --enable-threads=posix
 >  > --enable-symvers=gnu --enable-__cxa_atexit
--enable-languages=c,c++,java
 >  > --enable-shared --enable-c99 --enable-long-long
 >  > Thread model: posix
 >  > gcc version 4.1.2
 >  > 
 >  > The cross toolchain has been compiled with crosstool 0.43 from Dan
Kegel.
 > 
 > OK, it looks like the toolchain is totally misconfigured.  My guess is
 > that this version of gcj on ARM doesn't work at all.
 > 
 > You need -fcheck-references in that spec file, and the whole library
 > needs to be compiled with it.  I have no idea whether gcj 4.1.2 ever
 > worked on ARM; I'm beginning to think not.
 > 
 > Have a good look at 
 > 
 > http://gcc.gnu.org/svn/gcc/trunk/libjava/configure.host
 > 
 > and make sure that the arm*-linux* sections are correct.
 > 
 > This will help, but I suspect that gcj 4.1.2 will never work properly
 > on ARM.  You need something much more recent.
 > 
 > Andrew.
 > 
 > 
 > 
 > 
 > 
 > #
 > # This spec file is read by gcj when linking.
 > # It is used to specify the standard libraries we need in order
 > # to link with libgcj.
 > #
 > %rename lib liborig
 > *lib: -lgcj -lm   -lpthread    -ldl %(libgcc) %(liborig)
 > 
 > *jc1:  -fuse-divide-subroutine  -fuse-boehm-gc -fnon-call-exceptions
 > -fkeep-inline-functions
 > 



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