Re: [PATCH,RFC,V3 0/5] Support for CTF in GCC

2019-07-11 Thread Nix
On 10 Jul 2019, Segher Boessenkool spake thusly: > 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 wrote: >> >> CTF, at this time, is type information for ent

Re: [PATCH,RFC,V3 0/5] Support for CTF in GCC

2019-07-11 Thread Nix
[Sorry for delay: head down in linker plus having nice food poisoning bouts] On 9 Jul 2019, Mike Stump verbalised: > On Jul 5, 2019, at 11:28 AM, Nix wrote: >> ICTF for the entire Linux kernel is about 6MiB > > Any reason why not add CTF to the next dwarf standard? Then, we jus

Re: [PATCH,RFC,V3 0/5] Support for CTF in GCC

2019-07-08 Thread Nix
On 5 Jul 2019, Jakub Jelinek outgrape: > On Fri, Jul 05, 2019 at 07:28:12PM +0100, Nix wrote: >> > What makes it superior to DWARF stripped down to the above feature set? >> >> Increased compactness. DWARF fundamentally trades off compactness in >> favour of its reg

Re: [PATCH,RFC,V3 0/5] Support for CTF in GCC

2019-07-05 Thread Nix
linker so this is a demo on a randomly-chosen object file. This also means you don't see any benefits from strtab reuse with the containing ELF object, CTF section compression or deduplication in the following example's .ctf section size): [nix@ca-tools3 libiberty]$ /home/ibhagat/GCC/i