[mips java patch] add -mxgot for libjava convenience libraries on mips/mipsel-linux

[Matthias Klose]

David Daney writes:
> Matthias Klose wrote:
> > The following patch add's -mxgot to the cflags of the convenience
> > libraries as it is down for the libjava library itself on
> > mips/mipsel-linux. Without this patch I see many 'relocation
> > truncated to fit: R_MIPS_CALL16' failures when linking the convenience
> > libs, with this patch I'm down to one file/bug in glibc when linking
> > libgcj:

[...]

> I just did a complete cross build of today's CVS with this configure command:
> 
> #! /bin/sh
> # Generated automatically by configure.
> # Run this file to recreate the current configuration.
> # This directory was configured as follows,
> # on host dl.hq.avtrex.com:
> #
> # ../gccmaincvs/gcc/configure   --host=i686-pc-linux-gnu
> --target=mipsel-linux --with-headers=/home/test35/mipsel-linux/include
> --with-arch=mips32 --with-float=soft --prefix=/home/test35
> --with-gcc-version-trigger=/newdisk/programs/gccmaincvs/gcc/gcc/version.c
> --enable-languages=c,c++,java
> .
> .
> .
> 
> and
> 
> $ mipsel-linux-ld --version
> GNU ld version 2.15
> 
> I get no GOT overflow.  The build completes without errors.
> 
> I still think you have a problem with your binutils configuration.  As I
> said in previous messages, I would rather not use -mxgot unless absolutely
> necessary.  And I don't think it is necessary in the places you added it.

I'm able to build 3.4.2 without any patches on this machine. The
original failure was

/home/doko/gcc/gcc-snapshot-20041003/build/gcc/xgcc -shared-libgcc -B/home/doko/gcc/gcc-snapshot-20041003/build/gcc/ -nostdinc++ -L/home/doko/gcc/gcc-snapshot-20041003/build/mipsel-linux-gnu/libstdc++-v3/src -L/home/doko/gcc/gcc-snapshot-20041003/build/mipsel-linux-gnu/libstdc++-v3/src/.libs -B/usr/lib/gcc-snapshot/mipsel-linux-gnu/bin/ -B/usr/lib/gcc-snapshot/mipsel-linux-gnu/lib/ -isystem /usr/lib/gcc-snapshot/mipsel-linux-gnu/include -isystem /usr/lib/gcc-snapshot/mipsel-linux-gnu/sys-include -shared -nostdlib /usr/lib/crti.o /home/doko/gcc/gcc-snapshot-20041003/build/gcc/crtbeginS.o .libs/libgcj.la-2.o -Wl,--whole-archive ../libffi/.libs/libffi_convenience.a ../boehm-gc/.libs/libgcjgc_convenience.a ./libltdl/.libs/libltdlc.a -Wl,--no-whole-archive  -L/home/doko/gcc/gcc-snapshot-20041003/build/mipsel-linux-gnu/libstdc++-v3/src -L/home/doko/gcc/gcc-snapshot-20041003/build/mipsel-linux-gnu/libstdc++-v3/src/.libs -L/home/doko/gcc/gcc-snapshot-20041003/build/mipsel-linux-gnu/libjava ../libffi/.libs/libffi_convenience.a ../boehm-gc/.libs/libgcjgc_convenience.a -lpthread ./libltdl/.libs/libltdlc.a -ldl -lz -L/home/doko/gcc/gcc-snapshot-20041003/build/gcc -lgcc_s -lc -lgcc_s    /home/doko/gcc/gcc-snapshot-20041003/build/gcc/crtendS.o /usr/lib/crtn.o  -Wl,-soname -Wl,libgcj.so.6 -o .libs/libgcj.so.6.0.0
../libffi/.libs/libffi_convenience.a(debug.o)(.text+0x20): In function `ffi_assert':
../../../src/libffi/src/debug.c:42: relocation truncated to fit: R_MIPS_GOT16 stderr@@GLIBC_2.0
../libffi/.libs/libffi_convenience.a(debug.o)(.text+0x34):../../../src/libffi/src/debug.c:42: relocation truncated to fit: R_MIPS_CALL16 fprintf@@GLIBC_2.0
../libffi/.libs/libffi_convenience.a(debug.o)(.text+0x54):../../../src/libffi/src/debug.c:43: relocation truncated to fit: R_MIPS_CALL16 ffi_stop_here
../libffi/.libs/libffi_convenience.a(debug.o)(.text+0x6c):../../../src/libffi/src/debug.c:44: relocation truncated to fit: R_MIPS_CALL16 abort@@GLIBC_2.0
../libffi/.libs/libffi_convenience.a(java_raw_api.o)(.text+0x98): In function `ffi_java_raw_size':
../../../src/libffi/src/java_raw_api.c:61: relocation truncated to fit: R_MIPS_CALL16 abort@@GLIBC_2.0
../libffi/.libs/libffi_convenience.a(java_raw_api.o)(.text+0x310): In function `ffi_java_raw_call':
../../../src/libffi/src/java_raw_api.c:294: relocation truncated to fit: R_MIPS_CALL16 ffi_java_raw_to_ptrarray
../libffi/.libs/libffi_convenience.a(ffi.o)(.text+0x3b8): In function `ffi_call':
../../../src/libffi/src/mips/ffi.c:485: relocation truncated to fit: R_MIPS_CALL16 ffi_call_O32
../libffi/.libs/libffi_convenience.a(ffi.o)(.text+0x46c): In function `ffi_prep_closure':
../../../src/libffi/src/mips/ffi.c:520: relocation truncated to fit: R_MIPS_GOT16 ffi_closure_O32
../libffi/.libs/libffi_convenience.a(ffi.o)(.text+0x4a4):../../../src/libffi/src/mips/ffi.c:537: relocation truncated to fit: R_MIPS_CALL16 cacheflush@@GLIBC_2.0
../libffi/.libs/libffi_convenience.a(o32.o)(.text+0x284):../../../src/libffi/src/mips/o32.S:253: relocation truncated to fit: R_MIPS_CALL16 ffi_closure_mips_inner_O32
../boehm-gc/.libs/libgcjgc_convenience.a(allchblk.o)(.text+0x68): In function `GC_print_hblkfreelist':
../../../src/boehm-gc/allchblk.c:104: additional relocation overflows omitted from the output
collect2: ld returned 1 exit status
make[5]: *** [libgcj.la] Error 1
make[5]: Leaving directory `/home/doko/gcc/gcc-snapshot-20041003/build/mipsel-linux-gnu/libjava'
make[4]: *** [all-recursive] Error 1
make[4]: Leaving directory `/home/doko/gcc/gcc-snapshot-20041003/build/mipsel-linux-gnu/libjava'
make[3]: *** [all-target-libjava] Error 2
make[3]: Leaving directory `/home/doko/gcc/gcc-snapshot-20041003/build'
make[2]: *** [bootstrap] Error 2
make[2]: Leaving directory `/home/doko/gcc/gcc-snapshot-20041003/build'


binutils at version 2.15, gcc configured using

../src/configure -v --enable-languages=c,c++,java,f95,objc,ada --prefix=/usr/lib/gcc-snapshot --enable-shared --with-system-zlib --enable-nls --enable-threads=posix --without-included-gettext --disable-werror --enable-__cxa_atexit --enable-libstdcxx-allocator=mt --enable-clocale=gnu --enable-libstdcxx-debug --enable-java-gc=boehm --enable-java-awt=gtk mipsel-linux-gnu