Hi Andrew,
2011/4/28 Andrew Stubbs <andrew.stubbs@linaro.org>:
> On 28/04/11 09:59, Barry Song wrote:
>>
>> my other two mails explain what happened, in fact link input file is
>> simple:
>
> There must be more than one input file to the link, otherwise I believe you
> wouldn't see this problem. We need to find out what the other ones are.
>
>> ASSERT found just because we are using -nostdlib flag since we don't
>> call any library. This flag changed out_attr[Tag_FP_arch] to 0, which
>> is generically 4 for linaro new toolchain by watching a normal
>> compile/link process.
>
> The -nostdlib flag only changes the list of libraries that will be linked.
> It shouldn't change any attributes directly.
>
> Here's how a link should work, if I understand it correctly:
>
> 1. The linker creates an empty output file (conceptually). This file will
> have all attributes set to default settings (i.e. zero).
>
> 2. Each input file is then merged into the output file in turn. New sections
> are added, or existing ones appended to, and the symbol tables and such are
> built incrementally. At each step, the attributes are merged from the input
> file to the output file.
>
> For the first input file, the attribute merge is basically just a copy. Both
> Tag_FP_arch and Tag_ABI_HardFP_use should be zero in the (empty) output
> file, so we should not be able to hit this condition.
>
> For the second input file, the attribute merge is more complicated. For each
> attribute the result will be either be the union, or the intersection of the
> two attributes, or else it will throw an error.
>
> So, it should be that this can't happen, but clearly it does, so something
> is broken, but I can't tell what without reproducing it, or at least seeing
> what inputs you're dealing with.
>
> So, please help me figure out what the full set of input files are and I see
> if I can work from there.
Thanks very much. i can't send you all source codes, but i can send you the related binaries causing ASSERT. All link log is as below. Note the red part is where ASSERT happen. Input is dir_soc.o, output is a elf file. It is the first time the elf file begin to born.
!-------------------------------------
out_attr[i].i:2, out_attr[Tag_ABI_HardFP_use].i:3, in_attr[i].i:2, in_attr[Tag_ABI_HardFP_use].i:3
ibfd: /home/vmuser/development/svn/Current/Linux/Main/out/prima2cb/.obj/firmware/nanddisk/NANDDisk/soc/prima2/chip/nand_controller/soc_nand/dir_soc_nand.o
obfd: /home/vmuser/development/svn/Current/Linux/Main/out/prima2cb/.obj/firmware/nanddisk/NANDDisk/soc/prima2/chip/nand_controller/dir_nand_controller.o
-------------------------------------!
make[6]: Leaving directory `/home/vmuser/development/svn/Current/Linux/Main/firmware/nanddisk/src/soc/prima2/chip/nand_controller'
make[6]: Entering directory `/home/vmuser/development/svn/Current/Linux/Main/firmware/nanddisk/src/soc/prima2/chip/zone_mgr'
make[6]: Leaving directory `/home/vmuser/development/svn/Current/Linux/Main/firmware/nanddisk/src/soc/prima2/chip/zone_mgr'
!-------------------------------------
out_attr[i].i:2, out_attr[Tag_ABI_HardFP_use].i:3, in_attr[i].i:2, in_attr[Tag_ABI_HardFP_use].i:3
ibfd: /home/vmuser/development/svn/Current/Linux/Main/out/prima2cb/.obj/firmware/nanddisk/NANDDisk/soc/prima2/chip/nand_controller/dir_nand_controller.o
obfd: /home/vmuser/development/svn/Current/Linux/Main/out/prima2cb/.obj/firmware/nanddisk/NANDDisk/soc/prima2/chip/dir_chip.o
-------------------------------------!
!-------------------------------------
out_attr[i].i:2, out_attr[Tag_ABI_HardFP_use].i:3, in_attr[i].i:2, in_attr[Tag_ABI_HardFP_use].i:3
ibfd: /home/vmuser/development/svn/Current/Linux/Main/out/prima2cb/.obj/firmware/nanddisk/NANDDisk/soc/prima2/chip/zone_mgr/dir_zone_mgr.o
obfd: /home/vmuser/development/svn/Current/Linux/Main/out/prima2cb/.obj/firmware/nanddisk/NANDDisk/soc/prima2/chip/dir_chip.o
-------------------------------------!
make[5]: Leaving directory `/home/vmuser/development/svn/Current/Linux/Main/firmware/nanddisk/src/soc/prima2/chip'
make[5]: Entering directory `/home/vmuser/development/svn/Current/Linux/Main/firmware/nanddisk/src/soc/prima2/prima2cb'
!-------------------------------------
out_attr[i].i:2, out_attr[Tag_ABI_HardFP_use].i:3, in_attr[i].i:2, in_attr[Tag_ABI_HardFP_use].i:3
ibfd: /home/vmuser/development/svn/Current/Linux/Main/out/prima2cb/.obj/firmware/nanddisk/NANDDisk/soc/prima2/prima2cb/nand/dir_nand.o
obfd: /home/vmuser/development/svn/Current/Linux/Main/out/prima2cb/.obj/firmware/nanddisk/NANDDisk/soc/prima2/prima2cb/dir_prima2cb.o
-------------------------------------!
make[5]: Leaving directory `/home/vmuser/development/svn/Current/Linux/Main/firmware/nanddisk/src/soc/prima2/prima2cb'
!-------------------------------------
out_attr[i].i:2, out_attr[Tag_ABI_HardFP_use].i:3, in_attr[i].i:2, in_attr[Tag_ABI_HardFP_use].i:3
ibfd: /home/vmuser/development/svn/Current/Linux/Main/out/prima2cb/.obj/firmware/nanddisk/NANDDisk/soc/prima2/prima2cb/dir_prima2cb.o
obfd: /home/vmuser/development/svn/Current/Linux/Main/out/prima2cb/.obj/firmware/nanddisk/NANDDisk/soc/prima2/dir_prima2.o
-------------------------------------!
make[4]: Leaving directory `/home/vmuser/development/svn/Current/Linux/Main/firmware/nanddisk/src/soc/prima2'
make[3]: Leaving directory `/home/vmuser/development/svn/Current/Linux/Main/firmware/nanddisk/src/soc'
------------------------------------------
Building NANDDisk.bin
/home/vmuser/development/toolchain/build-toolchain/tools-64/bin/../lib/gcc/arm-none-linux-gnueabi/4.5.3/../../../../arm-none-linux-gnueabi/bin/ld: mode armelf_linux_eabi
/home/vmuser/development/svn/Current/Linux/Main/out/prima2cb/.obj/firmware/nanddisk/NANDDisk/common/dir_common.o
/home/vmuser/development/svn/Current/Linux/Main/out/prima2cb/.obj/firmware/nanddisk/NANDDisk/soc/dir_soc.o
(../stdlib/libgcc.a)_udivsi3.o
(../stdlib/libgcc.a)_dvmd_tls.o
(../stdlib/libgcc.a)_aeabi_uldivmod.o
(../stdlib/libgcc.a)_muldi3.o
(../stdlib/libgcc.a)bpabi.o
(../stdlib/libgcc.a)_divdi3.o
(../stdlib/libgcc.a)_udivdi3.o
(../stdlib/libgcc.a)unwind-arm.o
(../stdlib/libgcc.a)libunwind.o
(../stdlib/libgcc.a)pr-support.o
(../stdlib/libgcc.a)_clz.o
!-------------------------------------
!!!!!!!!!!!!!!!! out_attr[i].i:0, out_attr[Tag_ABI_HardFP_use].i:3, in_attr[i].i:2, in_attr[Tag_ABI_HardFP_use].i:3
ibfd: /home/vmuser/development/svn/Current/Linux/Main/out/prima2cb/.obj/firmware/nanddisk/NANDDisk/soc/dir_soc.o
obfd: /home/vmuser/development/svn/Current/Linux/Main/out/prima2cb/.obj/firmware/nanddisk/NANDDisk.elf !!!!!!!!!!!!!!!!!!!!!
-------------------------------------!
!-------------------------------------
out_attr[i].i:2, out_attr[Tag_ABI_HardFP_use].i:3, in_attr[i].i:2, in_attr[Tag_ABI_HardFP_use].i:0
ibfd: _udivsi3.o
obfd: /home/vmuser/development/svn/Current/Linux/Main/out/prima2cb/.obj/firmware/nanddisk/NANDDisk.elf
-------------------------------------!
!-------------------------------------
out_attr[i].i:2, out_attr[Tag_ABI_HardFP_use].i:3, in_attr[i].i:2, in_attr[Tag_ABI_HardFP_use].i:0
ibfd: _dvmd_tls.o
obfd: /home/vmuser/development/svn/Current/Linux/Main/out/prima2cb/.obj/firmware/nanddisk/NANDDisk.elf
-------------------------------------!
!-------------------------------------
out_attr[i].i:2, out_attr[Tag_ABI_HardFP_use].i:3, in_attr[i].i:2, in_attr[Tag_ABI_HardFP_use].i:0
ibfd: _aeabi_uldivmod.o
obfd: /home/vmuser/development/svn/Current/Linux/Main/out/prima2cb/.obj/firmware/nanddisk/NANDDisk.elf
-------------------------------------!
!-------------------------------------
out_attr[i].i:2, out_attr[Tag_ABI_HardFP_use].i:3, in_attr[i].i:2, in_attr[Tag_ABI_HardFP_use].i:3
ibfd: _muldi3.o
obfd: /home/vmuser/development/svn/Current/Linux/Main/out/prima2cb/.obj/firmware/nanddisk/NANDDisk.elf
-------------------------------------!
!-------------------------------------
out_attr[i].i:2, out_attr[Tag_ABI_HardFP_use].i:3, in_attr[i].i:2, in_attr[Tag_ABI_HardFP_use].i:3
ibfd: bpabi.o
obfd: /home/vmuser/development/svn/Current/Linux/Main/out/prima2cb/.obj/firmware/nanddisk/NANDDisk.elf
-------------------------------------!
!-------------------------------------
out_attr[i].i:2, out_attr[Tag_ABI_HardFP_use].i:3, in_attr[i].i:2, in_attr[Tag_ABI_HardFP_use].i:3
ibfd: _divdi3.o
obfd: /home/vmuser/development/svn/Current/Linux/Main/out/prima2cb/.obj/firmware/nanddisk/NANDDisk.elf
-------------------------------------!
!-------------------------------------
out_attr[i].i:2, out_attr[Tag_ABI_HardFP_use].i:3, in_attr[i].i:2, in_attr[Tag_ABI_HardFP_use].i:3
ibfd: _udivdi3.o
obfd: /home/vmuser/development/svn/Current/Linux/Main/out/prima2cb/.obj/firmware/nanddisk/NANDDisk.elf
-------------------------------------!
!-------------------------------------
out_attr[i].i:2, out_attr[Tag_ABI_HardFP_use].i:3, in_attr[i].i:2, in_attr[Tag_ABI_HardFP_use].i:3
ibfd: unwind-arm.o
obfd: /home/vmuser/development/svn/Current/Linux/Main/out/prima2cb/.obj/firmware/nanddisk/NANDDisk.elf
-------------------------------------!
!-------------------------------------
out_attr[i].i:2, out_attr[Tag_ABI_HardFP_use].i:3, in_attr[i].i:2, in_attr[Tag_ABI_HardFP_use].i:0
ibfd: libunwind.o
obfd: /home/vmuser/development/svn/Current/Linux/Main/out/prima2cb/.obj/firmware/nanddisk/NANDDisk.elf
-------------------------------------!
!-------------------------------------
out_attr[i].i:2, out_attr[Tag_ABI_HardFP_use].i:3, in_attr[i].i:2, in_attr[Tag_ABI_HardFP_use].i:3
ibfd: pr-support.o
obfd: /home/vmuser/development/svn/Current/Linux/Main/out/prima2cb/.obj/firmware/nanddisk/NANDDisk.elf
-------------------------------------!
!-------------------------------------
out_attr[i].i:2, out_attr[Tag_ABI_HardFP_use].i:3, in_attr[i].i:2, in_attr[Tag_ABI_HardFP_use].i:3
ibfd: _clz.o
obfd: /home/vmuser/development/svn/Current/Linux/Main/out/prima2cb/.obj/firmware/nanddisk/NANDDisk.elf
-------------------------------------!
Size: 135168 bytes.
Binary Done! Success!
------------------------------------------
make[2]: Leaving directory `/home/vmuser/development/svn/Current/Linux/Main/firmware/nanddisk/src'
make[1]: Leaving directory `/home/vmuser/development/svn/Current/Linux/Main/firmware/nanddisk'
>
> Thanks
>
> Andrew
>