You forgot return value of function.
сб, 3 нояб. 2018 г., 16:50 藍挺瑋 lant...@gmail.com:
> TCC works fine on Fedora 28, but it crashes on Fedora 29. It is easily
> reproducible because it cannot even compile a simple program.
>
> $ echo 'int main(){}' > dummy.c
> $ tcc dummy.c
> Segmentation fault (core dumped)
> $ gdb tcc core.\!usr\!bin\!tcc.signal-11.pid-303
> GNU gdb (GDB) Fedora 8.2-3.fc29
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> Reading symbols from tcc...Reading symbols from
> /usr/lib/debug/usr/bin/tcc-0.9.27-1.fc29.x86_64.debug...done.
> done.
> [New LWP 303]
>
> warning: Loadable section ".note.gnu.property" outside of ELF segments
> Core was generated by `tcc dummy.c'.
> Program terminated with signal SIGSEGV, Segmentation fault.
> #0 0x000055e93017e05c in tcc_load_object_file
> (s1=s1@entry=0x55e931cb2260, fd=fd@entry=3,
> file_offset=file_offset@entry=0) at tccelf.c:2462
> 2462 s->sh_info = sm_table[sh->sh_info].s->sh_num;
> (gdb) bt
> #0 0x000055e93017e05c in tcc_load_object_file
> (s1=s1@entry=0x55e931cb2260, fd=fd@entry=3,
> file_offset=file_offset@entry=0) at tccelf.c:2462
> #1 0x000055e93016286c in tcc_add_file_internal (s1=0x55e931cb2260,
> filename=0x7ffc2cf18c90 "/usr/lib64/crt1.o", flags=64) at libtcc.c:1028
> #2 0x000055e930162967 in tcc_add_library_internal
> (s=s@entry=0x55e931cb2260, fmt=fmt@entry=0x55e93018c52f "%s/%s",
> filename=filename@entry=0x55e93018c567 "crt1.o", flags=flags@entry=0,
> paths=<optimized out>,
> nb_paths=<optimized out>) at libtcc.c:1109
> #3 0x000055e930162b17 in tcc_add_crt (s=s@entry=0x55e931cb2260,
> filename=filename@entry=0x55e93018c567 "crt1.o") at libtcc.c:1125
> #4 0x000055e930162c7f in tcc_set_output_type (s=0x55e931cb2260,
> output_type=2) at libtcc.c:978
> #5 0x000055e93015fa4d in main (argc0=2, argv0=0x7ffc2cf19298) at tcc.c:312
>
> I guess it may be related to the Binutils 2.31 and GLIBC 2.28 upgrades
> in Fedora 29. I also tested the latest version from git, and it crashed
> in the same way.
>
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