Re: [PATCH 4/6] Dwarf: Fortran, support DW_TAG_entry_point.

Yao Qi
2017-07-31T22:20:53Z

On 17-07-21 11:23:58, Tim Wiederhake wrote:
> From: Bernhard Heckel <bernhard.heckel@intel.com>
>
> Fortran provides additional entry-points to an subprogram. Those entry-points
> may have only a subset of parameters of the original subprogram as well.
>
> Add support for parsing DW_TAG_entry_point's for Fortran.

Again, what is the fortran compiler? I use gfortran, which doesn't
generate DW_TAG_sub_program in debug information.

>
> xxxx-yy-zz Bernhard Heckel <bernhard.heckel@intel.com>
> Tim Wiederhake <tim.wiederhake@intel.com>
>
> gdb/ChangeLog:
> * gdb/dwarf2read.c (add_partial_symbol): Handle DW_TAG_entry_point.
> (add_partial_entry_point): New function.
> (add_partial_subprogram): Search for entry_points.
> (process_die): Handle DW_TAG_entry_point.
> (dwarf2_get_pc_bounds): Update low pc from DWARF.
> (load_partial_dies): Save DW_TAG_entry_point's.
> (load_partial_dies): Save DW_TAG_entry_point to hash table.
> (load_partial_dies): Look into child's of DW_TAG_sub_program
> for fortran.
> (new_symbol_full): Process DW_TAG_entry_point.
> (read_type_die_1): Handle DW_TAG_entry_point.
>
> gdb/testsuite/ChangeLog:
> * gdb.fortran/entry_point.f90: New file.
> * gdb.fortran/entry_point.exp: New file.

--
Yao (é½å°§)