On Sat, Apr 28, 2018 at 08:54:00PM +0200, Eric Botcazou wrote:
> > I don't know what LLVMish does, or whether it implements the GNU
> > DebugFission variant of split DWARF, the DWARF5 variant or something
> > else. For GCC -gsplit-dwarf generates GNU DebugFission output
> > (including .debug_addr)
On Sat, Apr 28, 2018 at 08:54:00PM +0200, Eric Botcazou wrote:
> > For GCC -gsplit-dwarf generates GNU DebugFission output
> > (including .debug_addr) for older DWARF versions.
> > It is described here: https://gcc.gnu.org/wiki/DebugFission
>
> Yes, that's what I was referring to. DebugFission is
On Sat, Apr 28, 2018 at 09:01:45PM +0200, Mark Wielaard wrote:
> gcc/ChangeLog
>
> * dwarf2out.c (dwarf2out_finish): Add .debug_addr table header for
> dwarf_version >= 5.
> (dwarf_AT): Handle DW_AT_addr_base.
> (add_top_level_skeleton_die_attrs): Use dwarf_AT for DW_AT_add
On Sat, Apr 28, 2018 at 06:36:02PM +0200, Jakub Jelinek wrote:
> On Sat, Apr 28, 2018 at 05:23:12PM +0200, Mark Wielaard wrote:
> >switch_to_section (debug_addr_section);
> > + /* GNU DebugFission didn't have a header for .debug_addr. */
> > + if (dwarf_version >= 5)
> > + {
>
> I don't know what LLVMish does, or whether it implements the GNU
> DebugFission variant of split DWARF, the DWARF5 variant or something
> else. For GCC -gsplit-dwarf generates GNU DebugFission output
> (including .debug_addr) for older DWARF versions.
> It is described here: https://gcc.gnu.org/w
On Sat, Apr 28, 2018 at 05:23:12PM +0200, Mark Wielaard wrote:
> GNU DebugFission didn't add table headers for the .debug_addr
> tables, but DWARF5 does. The table header make it possible
> for a DWARF consumer to parse the address tables without having
> to index all .debug_info CUs first. We can
Hi Eric,
On Sat, 2018-04-28 at 18:00 +0200, Eric Botcazou wrote:
> > index d3d925d..51d0ca4 100644
> > --- a/gcc/dwarf2out.c
> > +++ b/gcc/dwarf2out.c
> > @@ -31293,6 +31293,21 @@ dwarf2out_finish (const char *)
> > }
> >
> > switch_to_section (debug_addr_section);
> > + /* GNU De
> index d3d925d..51d0ca4 100644
> --- a/gcc/dwarf2out.c
> +++ b/gcc/dwarf2out.c
> @@ -31293,6 +31293,21 @@ dwarf2out_finish (const char *)
> }
>
>switch_to_section (debug_addr_section);
> + /* GNU DebugFission didn't have a header for .debug_addr. */
> + if (dwarf_version
GNU DebugFission didn't add table headers for the .debug_addr
tables, but DWARF5 does. The table header make it possible
for a DWARF consumer to parse the address tables without having
to index all .debug_info CUs first. We can keep using the
.debug_addr section label as is, because the DW_AT_addr_
