* buildsym.c (start_subfile): Handle producer.
(record_producer): New function.
* buildsym.h (struct subfile): Include producer.
(record_producer): New prototype.
* dwarf2-frame.c (struct dwarf2_cie): Add version and augmentation.
(struct dwarf2_frame_state): Add armcc_cfa_offsets_sf and
armcc_cfa_offsets_reversed.
(execute_cfa_program): Handle armcc_cfa_offsets_sf.
(dwarf2_frame_find_quirks): New function.
(dwarf2_frame_cache): Call it. Handle armcc_cfa_offsets_reversed.
(decode_frame_entry_1): Record the CIE version. Record the
augmentation. Skip armcc augmentations.
* dwarf2read.c (read_file_scope): Save the producer.
* symtab.h (struct symtab): Rename unused version member to
producer.