Package: glibc,gcc
Severity: important

[I think this is the same issue as in bug #274738]

Trying to compile ghc6 on mipsel (all of this will apply equally to mips
AFAIK) I got a number of "relocation truncated to fit" errors when
linking the executable. After discussion with Thiemo Seufer I passed
-Wa,-xgot to gcc, which fixes all the errors refering to my symbols, but
I still got the errors below (partial output from passing the linker
-dll-verbose). They refer to these files

/usr/usr/lib/gcc-lib/mipsel-linux/3.3.4/../../../crt1.o
/usr/lib/gcc-lib/mipsel-linux/3.3.4/libgcc.a
/usr/lib/libc_nonshared.a

(although presumably any other static libraries and object files that
get pulled in may also need to be fixed too).

As I understand it the files would need to be compiled both as they are
now, and with the -Wa,-xgot flag to give e.g. crt1.xgot.o etc. gcc would
then need to look for these files first when given an xgot flag of some
sort.

The aforementioned errors:

attempt to open
/usr/usr/lib/gcc-lib/mipsel-linux/3.3.4/../../../crt1.o(.text+0x1c):../sysdeps/mips/elf/start.S:71:
relocation truncated to fit: R_MIPS_GOT16 main
/usr/lib/gcc-lib/mipsel-linux/3.3.4/../../../crt1.o(.text+0x34):../sysdeps/mips/elf/start.S:83:
relocation truncated to fit: R_MIPS_GOT16 __libc_csu_init
/usr/lib/gcc-lib/mipsel-linux/3.3.4/../../../crt1.o(.text+0x38):../sysdeps/mips/elf/start.S:84:
relocation truncated to fit: R_MIPS_GOT16 __libc_csu_fini
/usr/lib/gcc-lib/mipsel-linux/3.3.4/../../../crt1.o(.text+0x4c):../sysdeps/mips/elf/start.S:93:
relocation truncated to fit: R_MIPS_CALL16 __libc_start_main@@GLIBC_2.0
/usr/lib/gcc-lib/mipsel-linux/3.3.4/libgcc.a(_fixunsdfdi.oS)(.text+0x114):
In function `__fixunsdfdi':
: relocation truncated to fit: R_MIPS_CALL16 __floatdidf
/usr/lib/gcc-lib/mipsel-linux/3.3.4/libgcc.a(_fixunsdfdi.oS)(.text+0x29c):
In function `__fixunsdfdi':
: relocation truncated to fit: R_MIPS_CALL16 __floatdidf
/usr/lib/libc_nonshared.a(elf-init.oS)(.text+0x28): In function
`__libc_csu_init':
: relocation truncated to fit: R_MIPS_CALL16 _init
/usr/lib/libc_nonshared.a(elf-init.oS)(.text+0x44): In function
`__libc_csu_init':
: relocation truncated to fit: R_MIPS_GOT16 __init_array_end
/usr/lib/libc_nonshared.a(elf-init.oS)(.text+0xb4): In function
`__libc_csu_fini':
: relocation truncated to fit: R_MIPS_GOT16 __fini_array_start
/usr/lib/libc_nonshared.a(elf-init.oS)(.text+0xb8): In function
`__libc_csu_fini':
: relocation truncated to fit: R_MIPS_GOT16 __fini_array_end
/usr/lib/libc_nonshared.a(elf-init.oS)(.text+0x114): In function
`__libc_csu_fini':
: relocation truncated to fit: R_MIPS_CALL16 _fini
/lib/gcc-lib/mipsel-linux/3.3.4/../../../libc.so succeeded
opened script file /usr/lib/gcc-lib/mipsel-linux/3.3.4/../../../libc.so


Thanks
Ian




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