Re: [patch] Add discriminators to DWARF line table

[Cary Coutant <ccoutant at google dot com>]

Ping.

I'm reattaching the patch, this time without the diffs for the
generated files configure and config.in. (Sorry for forgetting to omit
those last time.)

-cary


> ? ? ? ?* basic-block.h (struct basic_block_def): Add discriminator field.
> ? ? ? ?* dbxout.c (dbxout_source_line): Add new parameter. ?Change all
> ? ? ? ?callers.
> ? ? ? ?* debug.c (do_nothing_debug_hooks): Add additional entry.
> ? ? ? ?(debug_nothing_int_charstar_int): New function.
> ? ? ? ?* debug.h (struct gcc_debug_hooks): Add parameter to source_line
> ? ? ? ?hook.
> ? ? ? ?(debug_nothing_int_charstar_int): New declaration.
> ? ? ? ?* dwarf2out.c (dwarf2out_source_line): Add new parameter. ?Write
> ? ? ? ?discriminator value in .loc directive.
> ? ? ? ?* final.c (last_discriminator): New variable.
> ? ? ? ?(discriminator): New variable.
> ? ? ? ?(final_start_function): Initialize above variables, pass current
> ? ? ? ?discriminator to debug hook.
> ? ? ? ?(notice_source_line): Check for discriminator change.
> ? ? ? ?* gimple-pretty-print.c (dump_bb_header): Print discriminator value.
> ? ? ? ?* sdbout.c (sdbout_source_line): New parameter.
> ? ? ? ?* tree-cfg.c (struct locus_discrim_map): New structure type.
> ? ? ? ?(discriminator_per_locus): New hash table.
> ? ? ? ?(build_gimple_cfg): Allocate and free discriminator hash table.
> ? ? ? ?(make_edges): Call assign_discriminator.
> ? ? ? ?(locus_map_hash): New function.
> ? ? ? ?(locus_map_eq): New function.
> ? ? ? ?(next_discriminator_for_locus): New function.
> ? ? ? ?(same_line_p): New function.
> ? ? ? ?(assign_discriminator): New function.
> ? ? ? ?(make_cond_expr_edges): Call assign_discriminator.
> ? ? ? ?(make_gimple_switch_edges): Likewise.
> ? ? ? ?(first_non_label_stmt): New function.
> ? ? ? ?* vmsdbgout.c (vmsdbgout_source_line): Add new parameter. ?Change
> ? ? ? ?all callers.
> ? ? ? ?* xcoffout.c (xcoffout_source_line): Add new parameter.
>
> ? ? ? ?* configure.ac (gcc_cv_as_discriminator): New configury check for
> ? ? ? ?gas support for discriminator.
> ? ? ? ?* configure: Regenerate.
> ? ? ? ?* config.in: Regenerate.

Attachment: gcc-discrim-patch-2.txt
Description: Text document