On January 16, 2015 5:31:49 PM CET, Jason Merrill <ja...@redhat.com> wrote: >On 01/16/2015 05:55 AM, Richard Biener wrote: >> I'd hope that in the very distant future all early DIEs would be >"created" >> by the frontends (that is, dwarf2out.c wouldn't walk into >parents/siblings >> so much). > >Are you thinking that the front end would immediately call a debug hook > >for every block, local variable and such, or just for higher level >entities?
For every block, local variable and such. Yes. The FE then also has the chance to append whatever FE specific attributes without langhooks in dwarf2out. >> I hoped we wouldn't need the limbo list at all ... that is, parent >DIEs >> are always present when we create children. I think that should >> work in principle if the frontends would create DIEs while parsing. > >So create the function DIE as soon as we see the declaration? That >seems reasonable. Then that would be the point of early debug, not >later at EOF. Yes. Richard. >> Note that dwarf2out forces parent DIE creation in some cases >> but not in some others - it would be interesting to sort out which >> parent DIEs it thinks it cannot create when we create the DIE >> for a sibling. Maybe it's just poor ordering of early_global_decl >> calls? > >Agreed. > >Jason