[PATCH V2 4/5] CTF/BTF documentation
Jose E. Marchesi
jose.marchesi@oracle.com
Thu Feb 18 19:55:05 GMT 2021
This commit documents the new command line options introduced by the
CTF and BTF debug formats.
2021-02-18 Indu Bhagat <indu.bhagat@oracle.com>
* doc/invoke.texi: Document the CTF and BTF debug info options.
---
gcc/doc/invoke.texi | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index e8baa545eee..31c88c5be6f 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -460,6 +460,7 @@ Objective-C and Objective-C++ Dialects}.
@item Debugging Options
@xref{Debugging Options,,Options for Debugging Your Program}.
@gccoptlist{-g -g@var{level} -gdwarf -gdwarf-@var{version} @gol
+-gbtf -gctf -gctf@var{level} @gol
-ggdb -grecord-gcc-switches -gno-record-gcc-switches @gol
-gstabs -gstabs+ -gstrict-dwarf -gno-strict-dwarf @gol
-gas-loc-support -gno-as-loc-support @gol
@@ -9642,6 +9643,25 @@ other DWARF-related options such as
@option{-fno-dwarf2-cfi-asm}) retain a reference to DWARF Version 2
in their names, but apply to all currently-supported versions of DWARF.
+@item -gbtf
+@opindex gbtf
+Request BTF debug information.
+
+@item -gctf
+@itemx -gctf@var{level}
+@opindex gctf
+Request CTF debug information and use level to specify how much CTF debug
+information should be produced. If -gctf is specified without a value for
+level, the default level of CTF debug information is 2.
+
+Level 0 produces no CTF debug information at all. Thus, -gctf0 negates -gctf.
+
+Level 1 produces CTF information for tracebacks only. This includes callsite
+information, but does not include type information.
+
+Level 2 produces type information for entities (functions, data objects etc.)
+at file-scope or global-scope only.
+
@item -gstabs
@opindex gstabs
Produce debugging information in stabs format (if that is supported),
--
2.25.0.2.g232378479e
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