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[Bug target/54584] m68k-uclinux error: Link tests are not allowed after GCC_NO_EXECUTABLES

From: "baker at usgs dot gov" <gcc-bugzilla at gcc dot gnu dot org>
To: gcc-bugs at gcc dot gnu dot org
Date: Tue, 18 Sep 2012 21:43:32 +0000
Subject: [Bug target/54584] m68k-uclinux error: Link tests are not allowed after GCC_NO_EXECUTABLES
Auto-submitted: auto-generated
References: <bug-54584-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54584

--- Comment #3 from Larry Baker <baker at usgs dot gov> 2012-09-18 21:43:32 UTC ---
I don't know how to attach gdb to the ld.real called by collect2.  So, I added
a bunch of debugging output to bfd/elflink.c to find out where the failure
occurs.  (I'll attach my hacked version.)

Here's the link without -elf2flt and with -elf2flt.  The object files/libraries
are the same, yet the program sections that ld.real sees are quite different.

$
COMPILER_PATH=/tmp/freescale-coldfile-xgcc/cross-gcc-4.7.1/gcc/:/usr/local/gcc-4.7.1/m68k-uclinux/bin/:/usr/local/gcc-4.7.1/m68k-uclinux/lib/
/tmp/freescale-coldfile-xgcc/cross-gcc-4.7.1/gcc/collect2
--sysroot=/tmp/freescale-coldfile-xgcc/freescale-coldfire-2011.09/m68k-uclinux/libc/msep-data
--eh-frame-hdr -o conftest -t
/tmp/freescale-coldfile-xgcc/freescale-coldfire-2011.09/m68k-uclinux/libc/msep-data/usr/lib/crt1.o
/tmp/freescale-coldfile-xgcc/freescale-coldfire-2011.09/m68k-uclinux/libc/msep-data/usr/lib/crti.o
/tmp/freescale-coldfile-xgcc/cross-gcc-4.7.1/gcc/msep-data/crtbegin.o
-L/tmp/freescale-coldfile-xgcc/cross-gcc-4.7.1/gcc/msep-data
-L/usr/local/gcc-4.7.1/m68k-uclinux/lib/msep-data
-L/tmp/freescale-coldfile-xgcc/cross-gcc-4.7.1/gcc
-L/usr/local/gcc-4.7.1/m68k-uclinux/bin -L/usr/local/gcc-4.7.1/m68k-uclinux/lib
-L/tmp/freescale-coldfile-xgcc/freescale-coldfire-2011.09/m68k-uclinux/libc/msep-data/usr/lib
conftest.o -lgcc -lc -lgcc
/tmp/freescale-coldfile-xgcc/cross-gcc-4.7.1/gcc/msep-data/crtend.o
/tmp/freescale-coldfile-xgcc/freescale-coldfire-2011.09/m68k-uclinux/libc/msep-data/usr/lib/crtn.o
/usr/local/gcc-4.7.1/m68k-uclinux/bin/ld.real: mode m68kelf
/tmp/freescale-coldfile-xgcc/freescale-coldfire-2011.09/m68k-uclinux/libc/msep-data/usr/lib/crt1.o
/tmp/freescale-coldfile-xgcc/freescale-coldfire-2011.09/m68k-uclinux/libc/msep-data/usr/lib/crti.o
/tmp/freescale-coldfile-xgcc/cross-gcc-4.7.1/gcc/msep-data/crtbegin.o
conftest.o
(/tmp/freescale-coldfile-xgcc/freescale-coldfire-2011.09/m68k-uclinux/libc/msep-data/usr/lib/libc.a)__uClibc_main.o
(/tmp/freescale-coldfile-xgcc/freescale-coldfire-2011.09/m68k-uclinux/libc/msep-data/usr/lib/libc.a)strrchr.o
(/tmp/freescale-coldfile-xgcc/freescale-coldfire-2011.09/m68k-uclinux/libc/msep-data/usr/lib/libc.a)exit.o
(/tmp/freescale-coldfile-xgcc/freescale-coldfire-2011.09/m68k-uclinux/libc/msep-data/usr/lib/libc.a)_exit.o
(/tmp/freescale-coldfile-xgcc/freescale-coldfire-2011.09/m68k-uclinux/libc/msep-data/usr/lib/libc.a)__errno_location.o
(/tmp/freescale-coldfile-xgcc/freescale-coldfire-2011.09/m68k-uclinux/libc/msep-data/usr/lib/libc.a)strchr.o
(/tmp/freescale-coldfile-xgcc/freescale-coldfire-2011.09/m68k-uclinux/libc/msep-data/usr/lib/libc.a)errno.o
/tmp/freescale-coldfile-xgcc/cross-gcc-4.7.1/gcc/msep-data/crtend.o
/tmp/freescale-coldfile-xgcc/freescale-coldfire-2011.09/m68k-uclinux/libc/msep-data/usr/lib/crtn.o
---> ldwrite: pid = 81433
---> ldwrite: lang_for_each_statement()
---> ldwrite: bfd_final_link()
---> bfd_elf_final_link:
---> bfd_elf_final_link: remove input section .init
---> bfd_elf_final_link: remove input section .text
---> bfd_elf_final_link: remove input section .fini
---> bfd_elf_final_link: remove input section .rodata
---> bfd_elf_final_link: remove input section .eh_frame
---> bfd_elf_final_link: remove input section .ctors
---> bfd_elf_final_link: remove input section .dtors
---> bfd_elf_final_link: remove input section .jcr
---> bfd_elf_final_link: remove input section .got
---> bfd_elf_final_link: remove input section .data
---> bfd_elf_final_link: remove input section .bss
---> bfd_elf_final_link: remove input section .comment
---> bfd_elf_final_link: count relocations for section .init
---> bfd_elf_final_link: count relocations for section .text
---> bfd_elf_final_link: count relocations for section .fini
---> bfd_elf_final_link: count relocations for section .rodata
---> bfd_elf_final_link: count relocations for section .eh_frame
---> bfd_elf_final_link: count relocations for section .ctors
---> bfd_elf_final_link: count relocations for section .dtors
---> bfd_elf_final_link: count relocations for section .jcr
---> bfd_elf_final_link: count relocations for section .got
---> bfd_elf_final_link: count relocations for section .data
---> bfd_elf_final_link: count relocations for section .bss
---> bfd_elf_final_link: count relocations for section .comment
---> bfd_elf_final_link: set size, file position for section .init
---> bfd_elf_final_link: set size, file position for section .text
---> bfd_elf_final_link: set size, file position for section .fini
---> bfd_elf_final_link: set size, file position for section .rodata
---> bfd_elf_final_link: set size, file position for section .eh_frame
---> bfd_elf_final_link: set size, file position for section .ctors
---> bfd_elf_final_link: set size, file position for section .dtors
---> bfd_elf_final_link: set size, file position for section .jcr
---> bfd_elf_final_link: set size, file position for section .got
---> bfd_elf_final_link: set size, file position for section .data
---> bfd_elf_final_link: set size, file position for section .bss
---> bfd_elf_final_link: set size, file position for section .comment
---> bfd_elf_final_link: output symbol for section .init
---> bfd_elf_final_link: output symbol for section .text
---> bfd_elf_final_link: output symbol for section .fini
---> bfd_elf_final_link: output symbol for section .rodata
---> bfd_elf_final_link: output symbol for section .eh_frame
---> bfd_elf_final_link: output symbol for section .ctors
---> bfd_elf_final_link: output symbol for section .dtors
---> bfd_elf_final_link: output symbol for section .jcr
---> bfd_elf_final_link: output symbol for section .got
---> bfd_elf_final_link: output symbol for section .data
---> bfd_elf_final_link: output symbol for section .bss
---> bfd_elf_final_link: output symbol for section .comment
---> bfd_elf_final_link: reorder section .init
---> bfd_elf_final_link: reorder section .text
---> bfd_elf_final_link: reorder section .fini
---> bfd_elf_final_link: reorder section .rodata
---> bfd_elf_final_link: reorder section .eh_frame
---> bfd_elf_final_link: reorder section .ctors
---> bfd_elf_final_link: reorder section .dtors
---> bfd_elf_final_link: reorder section .jcr
---> bfd_elf_final_link: reorder section .got
---> bfd_set_error: bfd_error_nonrepresentable_section
---> bfd_set_error: bfd_error_nonrepresentable_section
---> bfd_elf_final_link: reorder section .data
---> bfd_elf_final_link: reorder section .bss
---> bfd_elf_final_link: reorder section .comment
---> bfd_elf_final_link: output local symbols for section .init
---> bfd_elf_final_link: elf_link_input_bfd()
---> bfd_elf_final_link: elf_link_input_bfd()
---> bfd_elf_final_link: elf_link_input_bfd()
---> bfd_elf_final_link: elf_link_input_bfd()
---> bfd_elf_final_link: output local symbols for section .text
---> bfd_elf_final_link: elf_link_input_bfd()
---> bfd_elf_final_link: _bfd_default_link_order()
---> bfd_elf_final_link: _bfd_default_link_order()
---> bfd_elf_final_link: elf_link_input_bfd()
---> bfd_elf_final_link: _bfd_default_link_order()
---> bfd_elf_final_link: elf_link_input_bfd()
---> bfd_elf_final_link: elf_link_input_bfd()
---> bfd_elf_final_link: elf_link_input_bfd()
---> bfd_elf_final_link: elf_link_input_bfd()
---> bfd_elf_final_link: elf_link_input_bfd()
---> bfd_elf_final_link: _bfd_default_link_order()
---> bfd_elf_final_link: elf_link_input_bfd()
---> bfd_elf_final_link: elf_link_input_bfd()
---> bfd_elf_final_link: output local symbols for section .fini
---> bfd_elf_final_link: output local symbols for section .rodata
---> bfd_elf_final_link: output local symbols for section .eh_frame
---> bfd_elf_final_link: output local symbols for section .ctors
---> bfd_elf_final_link: output local symbols for section .dtors
---> bfd_elf_final_link: output local symbols for section .jcr
---> bfd_elf_final_link: output local symbols for section .got
---> bfd_elf_final_link: output local symbols for section .data
---> bfd_elf_final_link: output local symbols for section .bss
---> bfd_elf_final_link: output local symbols for section .comment
---> bfd_elf_final_link: adjust relocs for section .init
---> bfd_elf_final_link: adjust relocs for section .text
---> bfd_elf_final_link: adjust relocs for section .fini
---> bfd_elf_final_link: adjust relocs for section .rodata
---> bfd_elf_final_link: adjust relocs for section .eh_frame
---> bfd_elf_final_link: adjust relocs for section .ctors
---> bfd_elf_final_link: adjust relocs for section .dtors
---> bfd_elf_final_link: adjust relocs for section .jcr
---> bfd_elf_final_link: adjust relocs for section .got
---> bfd_elf_final_link: adjust relocs for section .data
---> bfd_elf_final_link: adjust relocs for section .bss
---> bfd_elf_final_link: adjust relocs for section .comment
---> bfd_elf_final_link: output dynamic section .text
---> bfd_elf_final_link: output dynamic section .data
---> bfd_elf_final_link: output dynamic section .bss
---> bfd_elf_final_link: output dynamic section .ctors
---> bfd_elf_final_link: output dynamic section .dtors
---> bfd_elf_final_link: output dynamic section .eh_frame
---> bfd_elf_final_link: output dynamic section .jcr
---> bfd_elf_final_link: output dynamic section .tm_clone_table
---> bfd_elf_final_link: output dynamic section .fini
---> bfd_elf_final_link: output dynamic section .init
---> bfd_elf_final_link: output dynamic section .comment
---> bfd_elf_final_link: output dynamic section .note.GNU-stack
---> bfd_elf_final_link: output dynamic section .rela.got
---> bfd_elf_final_link: output dynamic section .got
---> bfd_elf_final_link: output dynamic section .got.plt
---> bfd_elf_final_link: normal return
---> bfd_elf_final_link: return TRUE

$
COMPILER_PATH=/tmp/freescale-coldfile-xgcc/cross-gcc-4.7.1/gcc/:/usr/local/gcc-4.7.1/m68k-uclinux/bin/:/usr/local/gcc-4.7.1/m68k-uclinux/lib/
/tmp/freescale-coldfile-xgcc/cross-gcc-4.7.1/gcc/collect2
--sysroot=/tmp/freescale-coldfile-xgcc/freescale-coldfire-2011.09/m68k-uclinux/libc/msep-data
--eh-frame-hdr -elf2flt -o conftest -t
/tmp/freescale-coldfile-xgcc/freescale-coldfire-2011.09/m68k-uclinux/libc/msep-data/usr/lib/crt1.o
/tmp/freescale-coldfile-xgcc/freescale-coldfire-2011.09/m68k-uclinux/libc/msep-data/usr/lib/crti.o
/tmp/freescale-coldfile-xgcc/cross-gcc-4.7.1/gcc/msep-data/crtbegin.o
-L/tmp/freescale-coldfile-xgcc/cross-gcc-4.7.1/gcc/msep-data
-L/usr/local/gcc-4.7.1/m68k-uclinux/lib/msep-data
-L/tmp/freescale-coldfile-xgcc/cross-gcc-4.7.1/gcc
-L/usr/local/gcc-4.7.1/m68k-uclinux/bin -L/usr/local/gcc-4.7.1/m68k-uclinux/lib
-L/tmp/freescale-coldfile-xgcc/freescale-coldfire-2011.09/m68k-uclinux/libc/msep-data/usr/lib
conftest.o -lgcc -lc -lgcc
/tmp/freescale-coldfile-xgcc/cross-gcc-4.7.1/gcc/msep-data/crtend.o
/tmp/freescale-coldfile-xgcc/freescale-coldfire-2011.09/m68k-uclinux/libc/msep-data/usr/lib/crtn.o
/usr/local/gcc-4.7.1/m68k-uclinux/bin/ld.real: mode m68kelf
/tmp/freescale-coldfile-xgcc/freescale-coldfire-2011.09/m68k-uclinux/libc/msep-data/usr/lib/crt1.o
/tmp/freescale-coldfile-xgcc/freescale-coldfire-2011.09/m68k-uclinux/libc/msep-data/usr/lib/crti.o
/tmp/freescale-coldfile-xgcc/cross-gcc-4.7.1/gcc/msep-data/crtbegin.o
conftest.o
(/tmp/freescale-coldfile-xgcc/freescale-coldfire-2011.09/m68k-uclinux/libc/msep-data/usr/lib/libc.a)__uClibc_main.o
(/tmp/freescale-coldfile-xgcc/freescale-coldfire-2011.09/m68k-uclinux/libc/msep-data/usr/lib/libc.a)strrchr.o
(/tmp/freescale-coldfile-xgcc/freescale-coldfire-2011.09/m68k-uclinux/libc/msep-data/usr/lib/libc.a)exit.o
(/tmp/freescale-coldfile-xgcc/freescale-coldfire-2011.09/m68k-uclinux/libc/msep-data/usr/lib/libc.a)_exit.o
(/tmp/freescale-coldfile-xgcc/freescale-coldfire-2011.09/m68k-uclinux/libc/msep-data/usr/lib/libc.a)__errno_location.o
(/tmp/freescale-coldfile-xgcc/freescale-coldfire-2011.09/m68k-uclinux/libc/msep-data/usr/lib/libc.a)strchr.o
(/tmp/freescale-coldfile-xgcc/freescale-coldfire-2011.09/m68k-uclinux/libc/msep-data/usr/lib/libc.a)errno.o
/tmp/freescale-coldfile-xgcc/cross-gcc-4.7.1/gcc/msep-data/crtend.o
/tmp/freescale-coldfile-xgcc/freescale-coldfire-2011.09/m68k-uclinux/libc/msep-data/usr/lib/crtn.o
---> ldwrite: pid = 81437
---> ldwrite: lang_for_each_statement()
---> ldwrite: bfd_final_link()
---> bfd_elf_final_link:
---> bfd_elf_final_link: remove input section .text
---> bfd_elf_final_link: remove input section .data
---> bfd_elf_final_link: remove input section .eh_frame
---> bfd_elf_final_link: remove input section .bss
---> bfd_elf_final_link: remove input section .comment
---> bfd_elf_final_link: count relocations for section .text
---> bfd_elf_final_link: count relocations for section .data
---> bfd_elf_final_link: count relocations for section .eh_frame
---> bfd_elf_final_link: count relocations for section .bss
---> bfd_elf_final_link: count relocations for section .comment
---> bfd_elf_final_link: set size, file position for section .text
---> bfd_elf_final_link: set size, file position for section .data
---> bfd_elf_final_link: set size, file position for section .eh_frame
---> bfd_elf_final_link: set size, file position for section .bss
---> bfd_elf_final_link: set size, file position for section .comment
---> bfd_elf_final_link: output symbol for section .text
---> bfd_elf_final_link: output symbol for section .data
---> bfd_elf_final_link: output symbol for section .eh_frame
---> bfd_elf_final_link: output symbol for section .bss
---> bfd_elf_final_link: output symbol for section .comment
---> bfd_elf_final_link: reorder section .text
---> bfd_elf_final_link: reorder section .data
---> bfd_set_error: bfd_error_nonrepresentable_section
---> bfd_set_error: bfd_error_nonrepresentable_section
---> bfd_elf_final_link: reorder section .eh_frame
---> bfd_elf_final_link: reorder section .bss
---> bfd_elf_final_link: reorder section .comment
---> bfd_elf_final_link: output local symbols for section .text
---> bfd_elf_final_link: _bfd_default_link_order()
---> bfd_elf_final_link: elf_link_input_bfd()
---> bfd_elf_final_link: _bfd_default_link_order()
---> bfd_elf_final_link: elf_link_input_bfd()
---> bfd_elf_final_link: elf_link_input_bfd()
---> bfd_set_error: bfd_error_nonrepresentable_section
---> bfd_elf_final_link: ... failed
---> bfd_elf_final_link: error return
---> bfd_elf_final_link: return FALSE
/usr/local/gcc-4.7.1/m68k-uclinux/bin/ld.real: final link failed:
Nonrepresentable section on output
collect2: error: ld returned 1 exit status

I have to move on to more pressing problems.  Since I don't need Transactional
Memory support anyway, I'm happy enough to use my patch which disables it for
uClinux and move on.
References:
- [Bug target/54584] New: m68k-uclinux error: Link tests are not allowed after GCC_NO_EXECUTABLES
  - From: baker at usgs dot gov
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