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Re: [PATCH 8/8] DWARF-5: DW_FORM_data16


On 02/12/2017 08:23 PM, Jan Kratochvil wrote:

> @@ -20250,6 +20261,10 @@ dump_die_shallow (struct ui_file *f, int indent, struct die_info *die)
>  	  fprintf_unfiltered (f, "expression: size %s",
>  			      pulongest (DW_BLOCK (&die->attrs[i])->size));
>  	  break;
> +	case DW_FORM_data16:
> +	  /* FIXME: Print the contents.  */
> +	  fprintf_unfiltered (f, "constant of 16 bytes");

Should we fix that FIXME?

> +	  break;
>  	case DW_FORM_ref_addr:
>  	  fprintf_unfiltered (f, "ref address: ");
>  	  fputs_filtered (hex_string (DW_UNSND (&die->attrs[i])), f);
> @@ -20411,6 +20426,7 @@ dwarf2_get_attr_constant_value (const struct attribute *attr, int default_value)
>      return DW_UNSND (attr);
>    else
>      {
> +      /* For  DW_FORM_data16 see attr_form_is_constant.  */

Spurious space after "For".

>        complaint (&symfile_complaints,
>  		 _("Attribute value is not a constant (%s)"),
>                   dwarf_form_name (attr->form));
> @@ -20694,6 +20710,7 @@ dwarf2_fetch_constant_bytes (sect_offset offset,
>      case DW_FORM_block4:
>      case DW_FORM_block:
>      case DW_FORM_exprloc:
> +    case DW_FORM_data16:
>        result = DW_BLOCK (attr)->data;
>        *len = DW_BLOCK (attr)->size;
>        break;

> +# We need to know the endianess in order
> +# to write some of the debugging info we'd like to generate.
> +if [prepare_for_testing ${testfile}.exp ${testfile} ${srcfile}] {

"failed to prepare for endianness test" instead of "${testfile}.exp".

> +    return -1
> +}
> +

> +if { [prepare_for_testing ${testfile}.exp ${testfile} \

"failed to prepare" instead of "${testfile}.exp".


> +			  [list $srcfile $asm_file] {nodebug}] } {
> +    return -1
> +}
> +
> +gdb_test "p/x xxx" " = 0x123456789abcdef00fedcba987654321"

Thanks,
Pedro Alves


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