Hello, PING, In case this patch series slipped your attention.
Thanks Indu On Wed, Jun 12, 2019 at 10:50 AM Indu Bhagat <indu.bha...@oracle.com> wrote: > > Hello, > > Thanks for the feedback on the previous patch set. > > This is the second posting of the RFC patch for CTF support in GCC. This patch > set does not rely on debug hooks, but it keeps CTF and DWARF debug info > generation separated in the compiler. > > For CTF generation, callsites in symbol_table::finalize_compilation_unit and > rest_of_decl_compilation are used. For CTF emission, callsite in > symbol_table::finalize_compilation_unit is used. > > Summary of the GCC RFC V2 patch set : > Patch 1 and Patch 2 have remain unchanged since V1. > Patch 1 is a simple addition of a new function lang_GNU_GIMPLE to check for > GIMPLE frontend. > Patch 2 and Patch 3 set up the framework for CTF support in GCC : > -- Patch 2 adds the new command line option for generating CTF. CTF generation > is enabled in the compiler by specifying an explicit -gt or > -gtLEVEL[LEVEL=1,2] : > > -gtLEVEL > > This is used to request CTF debug information and to specify how much CTF > debug information, LEVEL[=0,1,2] can be specified. If -gt is specified > (with no LEVEL), the default value of LEVEL is 2. > > -gt0 (Level 0) produces no CTF debug information at all. Thus, -gt0 > negates -gt. > > -gt1 (Level 1) produces CTF information for tracebacks only. This includes > CTF callsite information, but does not include type information for other > entities. > > -gt2 (Level 2) produces type information for entities (functions, > variables > etc.) at file-scope or global-scope only. This level of information can be > used by dynamic tracers like DTrace. > > -- Patch 3 initializes the CTF container if user-level option for CTF > generation is specified. CTF is generated for all to-be-emitted global > decls if gtLEVEL of 2 is specified. > > Tested on x86_64-linux and sparc64-linux. > > Thanks > > Indu Bhagat (3): > Add new function lang_GNU_GIMPLE > Add CTF command line options : -gtLEVEL > Setup for CTF generation and emission > > gcc/ChangeLog | 27 ++ > gcc/Makefile.in | 3 + > gcc/cgraphunit.c | 12 +- > gcc/common.opt | 9 + > gcc/ctfout.c | 163 ++++++++ > gcc/ctfout.h | 52 +++ > gcc/doc/invoke.texi | 16 + > gcc/flag-types.h | 13 + > gcc/gengtype.c | 4 +- > gcc/langhooks.c | 9 + > gcc/langhooks.h | 1 + > gcc/opts.c | 26 ++ > gcc/passes.c | 7 +- > gcc/testsuite/ChangeLog | 7 + > gcc/testsuite/gcc.dg/debug/ctf/ctf-1.c | 6 + > gcc/testsuite/gcc.dg/debug/ctf/ctf-preamble-1.c | 11 + > gcc/testsuite/gcc.dg/debug/ctf/ctf.exp | 41 ++ > gcc/testsuite/gcc.dg/debug/dwarf2-ctf-1.c | 7 + > gcc/toplev.c | 18 + > include/ChangeLog | 4 + > include/ctf.h | 483 > ++++++++++++++++++++++++ > 21 files changed, 913 insertions(+), 6 deletions(-) > create mode 100644 gcc/ctfout.c > create mode 100644 gcc/ctfout.h > create mode 100644 gcc/testsuite/gcc.dg/debug/ctf/ctf-1.c > create mode 100644 gcc/testsuite/gcc.dg/debug/ctf/ctf-preamble-1.c > create mode 100644 gcc/testsuite/gcc.dg/debug/ctf/ctf.exp > create mode 100644 gcc/testsuite/gcc.dg/debug/dwarf2-ctf-1.c > create mode 100644 include/ctf.h > > -- > 1.8.3.1 >
