Ping [patch] readelf: decode DW_LNE_HP_source_file_correlation

[Tristan Gingold]

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On Apr 19, 2011, at 2:10 PM, Tristan Gingold wrote:

> Hi,
> 
> HP has defined a few DW_LNE_ opcodes for source file correlation (mostly for backward
> compatible stuff).  This patch displays them.
> 
> No regression on i386-linux.
> Ok for trunk ?
> 
> Tristan.
> 
> binutils/
> 2011-04-19  Tristan Gingold  <gingold@adacore.com>
> 
> 	* dwarf.c (process_extended_line_op): Handle
> 	DW_LNE_HP_source_file_correlation.
> 
> diff --git a/binutils/dwarf.c b/binutils/dwarf.c
> index 8846e87..cc85525 100644
> --- a/binutils/dwarf.c
> +++ b/binutils/dwarf.c
> @@ -324,6 +324,53 @@ process_extended_line_op (unsigned char *data, int is_stmt)
>     case DW_LNE_HP_define_proc:
>       printf ("DW_LNE_HP_define_proc\n");
>       break;
> +    case DW_LNE_HP_source_file_correlation:
> +      {
> +        unsigned char *edata = data + len - bytes_read - 1;
> +
> +        printf ("DW_LNE_HP_source_file_correlation\n");
> +
> +        while (data < edata)
> +          {
> +            unsigned int opc;
> +
> +            opc = read_leb128 (data, & bytes_read, 0);
> +            data += bytes_read;
> +
> +            switch (opc)
> +              {
> +              case DW_LNE_HP_SFC_formfeed:
> +                printf ("    DW_LNE_HP_SFC_formfeed\n");
> +                break;
> +              case DW_LNE_HP_SFC_set_listing_line:
> +                printf ("    DW_LNE_HP_SFC_set_listing_line (%s)\n",
> +                        dwarf_vmatoa ("u",
> +                                      read_leb128 (data, & bytes_read, 0)));
> +                data += bytes_read;
> +                break;
> +              case DW_LNE_HP_SFC_associate:
> +                printf ("    DW_LNE_HP_SFC_associate ");
> +                printf (_("(%s"),
> +                        dwarf_vmatoa ("u",
> +                                      read_leb128 (data, & bytes_read, 0)));
> +                data += bytes_read;
> +                printf (_(",%s"),
> +                        dwarf_vmatoa ("u",
> +                                      read_leb128 (data, & bytes_read, 0)));
> +                data += bytes_read;
> +                printf (_(",%s)\n"),
> +                        dwarf_vmatoa ("u",
> +                                      read_leb128 (data, & bytes_read, 0)));
> +                data += bytes_read;
> +                break;
> +              default:
> +                printf ("    UNKNOW DW_LNE_HP_SFC opcode (%u)\n", opc);
> +                data = edata;
> +                break;
> +              }
> +          }
> +      }
> +      break;
> 
>     default:
>       if (op_code >= DW_LNE_lo_user
>