Re: [Tinycc-devel] standalone backtraces

[Herman ten Brugge]

I just committed https://svn.code.sf.net/p/wintcc/svn wine/Makefile.

This now supports 32 and 64 bits in same directory.

Probably the same can be done for the cygwin/Makefile.

Regards,

    Herman

On 2020-01-18 08:32, Christian Jullien wrote:
> Hi Grischka,
>
> Thank you for this very useful contribution. I have however a concern on the 
> way you load the different new files:
> +#ifdef CONFIG_TCC_BACKTRACE
> +    if (s1->do_backtrace) {
> +#ifdef CONFIG_TCC_BCHECK
> +        if (s1->do_bounds_check && s1->output_type != TCC_OUTPUT_DLL)
> +            tcc_add_support(s1, "bcheck.o");
> +#endif
> +        if (s1->output_type == TCC_OUTPUT_EXE)
> +            tcc_add_support(s1, "bt-exe.o");
> +        if (s1->output_type == TCC_OUTPUT_DLL)
> +            tcc_add_support(s1, "bt-dll.o");
> +        if (s1->output_type != TCC_OUTPUT_DLL)
> +            tcc_add_support(s1, "bt-log.o");
> +        if (s1->output_type != TCC_OUTPUT_MEMORY)
> +            tcc_add_btstub(s1);
> +    }
> +#endif
>
> It supposes that there is only one memory model (either 32 or 64). More 
> specifically, it prevents tcc to support multi-archive using -m32/-m64.
> IMHO, it would be better to build libbcheck.a (or whatever name you like) which 
> contains all material to support bound checking and bt.
> Multi-archive will internally use libbcheck-32.a and libbcheck-64.a
>
> Wdyt?
>
> C.
>
> -----Original Message-----
> From: Tinycc-devel [mailto:tinycc-devel-bounces+eligis=address@hidden] On 
> Behalf Of grischka
> Sent: Friday, January 17, 2020 23:22
> To: address@hidden
> Subject: [Tinycc-devel] standalone backtraces
>
> Hi folks,
>
> Thought the entire bcheck stuff is pretty much completely useless
> if it doesn't give you any hint where in the your code the problem
> actually happens.  So I added some patch of mine that allows tcc to
> include the backtrace features for -run into standalone executables.
>
> It should work with DLLs/SOs too (i.e. multiple instances of stab
> debug infos).  See
>
>         https://repo.or.cz/tinycc.git/commitdiff/ef42295f
>
> --- grischka
>
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