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bpftool/docs: add description of btf dump C option

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Document optional **c** option for btf dump subcommand.

Cc: Quentin Monnet <quentin.monnet@netronome.com>
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Andrii Nakryiko
2019-05-24 11:59:06 -07:00
committed by Alexei Starovoitov
parent 2119f2189d
commit 220ba45112
1 changed files with 20 additions and 15 deletions
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7
tools/bpf/bpftool/Documentation/bpftool-btf.rst
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@@ -19,10 +19,11 @@ SYNOPSIS
BTF COMMANDS BTF COMMANDS
============= =============
| **bpftool** **btf dump** *BTF_SRC* | **bpftool** **btf dump** *BTF_SRC* [**format** *FORMAT*]
| **bpftool** **btf help** | **bpftool** **btf help**
| |
| *BTF_SRC* := { **id** *BTF_ID* | **prog** *PROG* | **map** *MAP* [{**key** | **value** | **kv** | **all**}] | **file** *FILE* } | *BTF_SRC* := { **id** *BTF_ID* | **prog** *PROG* | **map** *MAP* [{**key** | **value** | **kv** | **all**}] | **file** *FILE* }
| *FORMAT* := { **raw** | **c** }
| *MAP* := { **id** *MAP_ID* | **pinned** *FILE* } | *MAP* := { **id** *MAP_ID* | **pinned** *FILE* }
| *PROG* := { **id** *PROG_ID* | **pinned** *FILE* | **tag** *PROG_TAG* } | *PROG* := { **id** *PROG_ID* | **pinned** *FILE* | **tag** *PROG_TAG* }
@@ -49,6 +50,10 @@ DESCRIPTION
.BTF section with well-defined BTF binary format data, .BTF section with well-defined BTF binary format data,
typically produced by clang or pahole. typically produced by clang or pahole.
**format** option can be used to override default (raw)
output format. Raw (**raw**) or C-syntax (**c**) output
formats are supported.
**bpftool btf help** **bpftool btf help**
Print short help message. Print short help message.