Date: Sat, 12 Jul 2014 20:43:29 +0100 (BST) From: Anton Shterenlikht <mexas@bris.ac.uk> To: freebsd-arm@freebsd.org, george+freebsd@m5p.com Subject: Re: [Bug 175605] devel/binutils: please fix build binutils-2.23.1 in raspberry pi Message-ID: <201407121943.s6CJhT2p097909@mech-cluster241.men.bris.ac.uk> In-Reply-To: <53C07E6B.9040303@m5p.com>
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>> --- Comment #6 from mexas@bris.ac.uk ---
>> Forgot to say that this was with Andreas Tobler's patchset.
>> Also, it segfaults with the OS default ld too:
>>
>> $ cat z.c
>> #include <stdio.h>
>> int main(int argc, char **argv)
>> {
>> printf("mumu\n");
>> return 0;
>> }
>> $ cc -c z.c -Wall
>> $ /usr/local/bin/ld -o z /usr/lib/crt1.o /usr/lib/crti.o z.o -lc
>> $ ldd z
>> z:
>> libc.so.7 => /lib/libc.so.7 (0x2003c000)
>> $ file z
>> z: ELF 32-bit LSB executable, ARM, version 1 (SYSV), dynamically linked (uses
>> shared libs), for FreBSD 10.0 (1000710), not stripped
>> $ ./z
>> Segmentation fault (core dumped)
>> $ /usr/bin/ld -o z /usr/lib/crt1.o /usr/lib/crti.o z.o -lc
>> $ ldd z
>> z:
>> libc.so.7 => /lib/libc.so.7 (0x2003c000)
>> $ file z
>> z: ELF 32-bit LSB executable, ARM, version 1 (SYSV), dynamically linked (uses
>> shared libs), for FreBSD 10.0 (1000710), not stripped
>> $ ./z
>> Segmentation fault (core dumped)
>> $
>>
>Why are you using this strange invocation of the linker? If I run
>"cc -v -o z z.c", here is how it invokes ld:
>
> "/usr/bin/ld" --eh-frame-hdr -dynamic-linker /libexec/ld-elf.so.1
>--hash-style=both --enable-new-dtags -o z /usr/lib/crt1.o
>/usr/lib/crti.o /usr/lib/crtbegin.o -L/usr/lib /tmp/z-9530c3.o -lgcc
>--as-needed -lgcc_s --no-as-needed -lc -lgcc --as-needed -lgcc_s
>--no-as-needed /usr/lib/crtend.o /usr/lib/crtn.o
>
>The resulting program runs without difficulty. -- George
well, I copied my invocation from:
http://people.freebsd.org/~rene/patches/binutils-rpi-bug.txt
but you are right. I have now did just the same
using /usr/local/bin/ld, and the executable worked.
So probably Andreas Tobler's patchset should
be committed?
I'm building lang/gcc right now, will see how it goes.
Anton
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