On Fri, Jul 05, 2019 at 07:28:12PM +0100, Nix wrote: > On 5 Jul 2019, Richard Biener said: > > > On Fri, Jul 5, 2019 at 12:21 AM Indu Bhagat <indu.bha...@oracle.com> wrote: > >> CTF, at this time, is type information for entities at global or file > >> scope. > >> This can be used by online debuggers, program tracers (dynamic tracing); > >> More > >> generally, it provides type introspection for C programs, with an optional > >> library API to allow them to get at their own types quite more easily than > >> DWARF. So, the umbrella usecases are - all C programs that want to > >> introspect > >> their own types quickly; and applications that want to introspect other > >> programs's types quickly. > > > > What makes it superior to DWARF stripped down to the above feature set? > > Increased compactness.
Does CTF support something like -fasynchronous-unwind-tables? You need that to have any sane debugging on many platforms. Without it, you even have only partial backtraces, on most architectures/ABIs anyway. Segher
