Re: [Tinycc-devel] arm shared build issue

[Herman ten Brugge]

I can reproduce the problem. I pushed on fix on mob.
The problem was that there was a stack unwinding section present that 
was not present in the program headers section.

    Herman

On 2020-08-05 08:07, Christian JULLIEN wrote:
> Herman, thanks for recent DLL (shared) support on more platforms.
>
> Trying to play with recent arm shared support, I compiled tcc with this bash 
> function
> on RPi arm:
>
> shared_build() {
>     echo === Boostrapping with $1 shared
>     ./configure --cc=$1 --disable-static --prefix=$(pwd)/dist
>     make # && make -k test
>     sudo make install-strip
>     $(pwd)/dist/bin/tcc -v || exit 1
>     sudo make uninstall
>     test `find dist -type f | wc -l` -eq 0 \
>         || (echo "Files remain after uninstall" && exit 2)
>     cp tcc ../tinycc-$1-dynamic
> }
>
> calling 'shared_build gcc' works:
> ...
> -> "/home/jullien/tinycc/dist/share/doc" : tcc-doc.html
> tcc version 0.9.27 (ARM Hard Float Linux)
>
> but with 'shared_build tcc' it gives:
> -> "/home/jullien/tinycc/dist/share/info" : tcc-doc.info
> -> "/home/jullien/tinycc/dist/share/doc" : tcc-doc.html
> strip: /home/jullien/tinycc/dist/bin/stZ0gMmP: section .interp lma 0x80d4 
> adjusted to 0x90d4
> strip: /home/jullien/tinycc/dist/bin/stZ0gMmP: section .dynsym lma 0x80f0 
> adjusted to 0x90ed
> strip: /home/jullien/tinycc/dist/bin/stZ0gMmP: section .dynstr lma 0x8640 
> adjusted to 0x963d
> strip: /home/jullien/tinycc/dist/bin/stZ0gMmP: section .hash lma 0x8adc 
> adjusted to 0x9ad8
> strip: /home/jullien/tinycc/dist/bin/stZ0gMmP: section .rel.bss lma 0x8d38 
> adjusted to 0x9d34
> strip: /home/jullien/tinycc/dist/bin/stZ0gMmP: section .rel.got lma 0x8d48 
> adjusted to 0x9d44
> strip: /home/jullien/tinycc/dist/bin/stZ0gMmP: section .text lma 0x8ec8 
> adjusted to 0x9ec4
> strip: /home/jullien/tinycc/dist/bin/stZ0gMmP: section .rodata.cst4 lma 0xc714 
> adjusted to 0xd710
> strip: /home/jullien/tinycc/dist/bin/stZ0gMmP: section .ARM.extab lma 0xc718 
> adjusted to 0xd714
> strip: /home/jullien/tinycc/dist/bin/stZ0gMmP: section .ARM.exidx lma 0xc718 
> adjusted to 0xd714
> strip: /home/jullien/tinycc/dist/bin/stZ0gMmP: section .init lma 0xc720 
> adjusted to 0xd71c
> strip: /home/jullien/tinycc/dist/bin/stZ0gMmP: section .fini lma 0xc72c 
> adjusted to 0xd728
> strip: /home/jullien/tinycc/dist/bin/stZ0gMmP: section .preinit_array lma 
> 0xc734 adjusted to 0xd730
> strip: /home/jullien/tinycc/dist/bin/stZ0gMmP: section .init_array lma 0xc734 
> adjusted to 0xd730
> strip: /home/jullien/tinycc/dist/bin/stZ0gMmP: section .fini_array lma 0xc734 
> adjusted to 0xd730
> strip: /home/jullien/tinycc/dist/bin/stZ0gMmP: section .plt lma 0xc734 adjusted 
> to 0xd730
> strip: /home/jullien/tinycc/dist/bin/stZ0gMmP: section .gnu.version lma 0xc97c 
> adjusted to 0xd978
> strip: /home/jullien/tinycc/dist/bin/stZ0gMmP: section .gnu.version_r lma 
> 0xca28 adjusted to 0xda22
> strip: /home/jullien/tinycc/dist/bin/stZ0gMmP: section `.gnu.version_r' can't 
> be allocated in segment 3
> LOAD: .interp .dynsym .dynstr .hash .rel.bss .rel.got .text .rodata.cst4 
> .ARM.extab .ARM.exidx .init .fini .preinit_array .init_array .fini_array .plt 
> .gnu.version .gnu.version_r
> /home/jullien/tinycc/dist/bin/tcc: error while loading shared libraries: 
> tcc.so: cannot open shared object file: No such file or directory
>
>
> and:
>
> ldd ./dist/bin/tcc
> ./dist/bin/tcc: error while loading shared libraries: ./dist/bin/tcc: 
> unsupported version 0 of Verneed record
>
> Am I missing something?
>
> C.