96ec09da48
This change splits the SDWARFINFO symbol type (a generic container of DWARF content) into separate sub-classes. The new symbol types are SDWARFCUINFO comp unit DIE, also CU info and CU packagename syms SDWARFCONST constant DIE SDWARFFCN subprogram DIE (default and concrete) SDWARFABSFCN abstract function DIE SDWARFTYPE type DIE SDWARFVAR global variable DIE Advantage of doing this: in the linker there are several places where we have to iterate over a symbol's relocations to pick out references to specific classes of DWARF sub-symbols (for example, looking for all abstract function DIEs referenced by a subprogram DIE, or looking at all the type DIEs used in a subprogram DIE). By splitting SDWARFINFO into parts clients can now look only at the relocation target's sym type as opposed to having to materialize the target sym name, or do a lookup. Change-Id: I4e0ee3216d3c8f1a78bec3d296c01e95b3d025b5 Reviewed-on: https://go-review.googlesource.com/c/go/+/234684 Reviewed-by: Cherry Zhang <cherryyz@google.com> Reviewed-by: Jeremy Faller <jeremy@golang.org> |
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