diff options
| author | Indu Bhagat <indu.bhagat@oracle.com> | 2021-05-20 11:15:52 -0700 |
|---|---|---|
| committer | Jose E. Marchesi <jose.marchesi@oracle.com> | 2021-06-28 18:47:20 +0200 |
| commit | b7e215a8ee81d44281d9e0a2a25eceb47b6911dd (patch) | |
| tree | 121afbbec2428c85a68b6119ac8c0f25f6cd9fab /gcc/flags.h | |
| parent | 532617d6367c29803d5909f2432b1ebfb9ee1886 (diff) | |
| download | gcc-b7e215a8ee81d44281d9e0a2a25eceb47b6911dd.zip gcc-b7e215a8ee81d44281d9e0a2a25eceb47b6911dd.tar.gz gcc-b7e215a8ee81d44281d9e0a2a25eceb47b6911dd.tar.bz2 | |
CTF/BTF debug formats
This commit introduces support for generating CTF debugging
information and BTF debugging information from GCC.
2021-06-28 Indu Bhagat <indu.bhagat@oracle.com>
David Faust <david.faust@oracle.com>
Jose E. Marchesi <jose.marchesi@oracle.com>
Weimin Pan <weimin.pan@oracle.com>
gcc/
* Makefile.in: Add ctfc.*, ctfout.c and btfout.c files to
GTFILES. Add new object files.
* common.opt: Add CTF and BTF debug info options.
* btfout.c: New file.
* ctfc.c: Likewise.
* ctfc.h: Likewise.
* ctfout.c: Likewise.
* dwarf2ctf.c: Likewise.
* dwarf2ctf.h: Likewise.
* dwarf2cfi.c (dwarf2out_do_frame): Acknowledge CTF_DEBUG and
BTF_DEBUG.
* dwarf2out.c (dwarf2out_source_line): Likewise.
(dwarf2out_finish): Skip emitting DWARF if CTF or BTF are to
be generated.
(debug_format_do_cu): New function.
(dwarf2out_early_finish): Traverse DIEs and emit CTF/BTF for
them if requested.
Include dwarf2ctf.c.
* final.c (dwarf2_debug_info_emitted_p): Acknowledge DWARF-based debug
formats.
* flag-types.h (enum debug_info_type): Add CTF_DEBUG and BTF_DEBUG.
(CTF_DEBUG): New bitmask.
(BTF_DEBUG): Likewise.
(enum ctf_debug_info_levels): New enum.
* gengtype.c (open_base_files): Handle ctfc.h.
(main): Handle uint32_t type.
* flags.h (btf_debuginfo_p): New definition.
(dwarf_based_debuginfo_p): Likewise.
* opts.c (debug_type_names): Add entries for CTF and BTF.
(btf_debuginfo_p): New function.
(dwarf_based_debuginfo_p): Likewise.
(common_handle_option): Handle -gctfN and -gbtf options.
(set_debug_level): Set CTF_DEBUG, BTF_DEBUG whenever appropriate.
* toplev.c (process_options): Inform the user and ignore -gctfLEVEL if
frontend is not C.
include/
* ctf.h: New file.
* btf.h: Likewise.
libiberty/
* simple-object.c (handle_lto_debug_sections): Copy over .ctf
sections.
Diffstat (limited to 'gcc/flags.h')
| -rw-r--r-- | gcc/flags.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/gcc/flags.h b/gcc/flags.h index cc7b79b..85fd228a 100644 --- a/gcc/flags.h +++ b/gcc/flags.h @@ -40,10 +40,19 @@ unsigned int debug_set_count (uint32_t w_symbols); const char * debug_set_names (uint32_t w_symbols); +/* Return true iff BTF debug info is enabled. */ + +extern bool btf_debuginfo_p (); + /* Return true iff DWARF2 debug info is enabled. */ extern bool dwarf_debuginfo_p (); +/* Return true iff the debug info format is to be generated based on DWARF + DIEs (like CTF and BTF debug info formats). */ + +extern bool dwarf_based_debuginfo_p (); + extern void strip_off_ending (char *, int); extern int base_of_path (const char *path, const char **base_out); |