[PATCH] toplev: gcc version information for jit

[Jeff Law]

On 01/23/15 13:06, David Malcolm wrote:
> libgccjit can print detailed logs and generate testcases for
> reproducing bugs (using gcc_jit_context_set_logfile and
> gcc_jit_context_dump_reproducer_to_file respectively).
>
> It strikes me that such files really ought to contain version
> information, so the following patch adds calls to print_version in both
> places.
>
> This requires touching toplev.c/h to add a flag to print_version, since
> it accesses global variables.  The relevant logging calls in libgccjit are
> from regions that don't hold the mutex on gcc's state, and so we have to
> skip logging those parts of the version info.
>
> Passes "make check-jit".
>
> OK for stage 4, assuming bootstrap&regrtest?
>
> gcc/ChangeLog:
> 	* toplev.c (print_version): Add param "show_global_state", and
> 	only print GGC and plugin information if it is true.
> 	(init_asm_output): Pass in "true" for the new param when calling
> 	print_version.
> 	(process_options): Likewise.
> 	(toplev::main): Likewise.
> 	* toplev.h (print_version): Add new param to decl.
OK.  It's a bit out of scope for stage4, but I'll gate it in.

jeff