On 07/15/2011 01:58 PM, Jakub Jelinek wrote:
> * dwarf2.h (DW_MACINFO_lo_user, DW_MACINFO_hi_user): Add.
> (DW_MACINFO_GNU_define_indirect, DW_MACINFO_GNU_undef_indirect,
> DW_MACINFO_GNU_transparent_include, DW_MACINFO_GNU_define_opcode):
> Add.
>
> * dwarf2out.c (dwarf2out_define): If the vector is empty and
> lineno is 0, emit a dummy entry first.
> (dwarf2out_undef): Likewise. Remove redundant semicolon.
> (htab_macinfo_hash, htab_macinfo_eq, output_macinfo_op,
> optimize_macinfo_range): New functions.
> (output_macinfo): Use them. If !dwarf_strict and .debug_str is
> mergeable, optimize longer strings using
> DW_MACINFO_GNU_{define,undef}_indirect and if HAVE_COMDAT_GROUP,
> optimize longer sequences of define/undef ops from headers
> using DW_MACINFO_GNU_transparent_include.
This looks much better. Barring any other feedback from
other interested Dwarf parties, I think this can go in.
r~
