diff options
Diffstat (limited to 'tools/bpf')
| -rw-r--r-- | tools/bpf/bpftool/Documentation/bpftool-prog.rst | 8 | ||||
| -rw-r--r-- | tools/bpf/bpftool/bash-completion/bpftool | 17 | ||||
| -rw-r--r-- | tools/bpf/bpftool/prog.c | 61 |
3 files changed, 47 insertions, 39 deletions
diff --git a/tools/bpf/bpftool/Documentation/bpftool-prog.rst b/tools/bpf/bpftool/Documentation/bpftool-prog.rst index 06d1e4314406..9443c524bb76 100644 --- a/tools/bpf/bpftool/Documentation/bpftool-prog.rst +++ b/tools/bpf/bpftool/Documentation/bpftool-prog.rst @@ -28,8 +28,8 @@ PROG COMMANDS ============= | **bpftool** **prog** { **show** | **list** } [*PROG*] -| **bpftool** **prog dump xlated** *PROG* [{**file** *FILE* | **opcodes** | **visual** | **linum**}] -| **bpftool** **prog dump jited** *PROG* [{**file** *FILE* | **opcodes** | **linum**}] +| **bpftool** **prog dump xlated** *PROG* [{ **file** *FILE* | [**opcodes**] [**linum**] [**visual**] }] +| **bpftool** **prog dump jited** *PROG* [{ **file** *FILE* | [**opcodes**] [**linum**] }] | **bpftool** **prog pin** *PROG* *FILE* | **bpftool** **prog** { **load** | **loadall** } *OBJ* *PATH* [**type** *TYPE*] [**map** {**idx** *IDX* | **name** *NAME*} *MAP*] [**dev** *NAME*] [**pinmaps** *MAP_DIR*] [**autoattach**] | **bpftool** **prog attach** *PROG* *ATTACH_TYPE* [*MAP*] @@ -88,7 +88,7 @@ DESCRIPTION programs. On such kernels bpftool will automatically emit this information as well. - **bpftool prog dump xlated** *PROG* [{ **file** *FILE* | **opcodes** | **visual** | **linum** }] + **bpftool prog dump xlated** *PROG* [{ **file** *FILE* | [**opcodes**] [**linum**] [**visual**] }] Dump eBPF instructions of the programs from the kernel. By default, eBPF will be disassembled and printed to standard output in human-readable format. In this case, **opcodes** @@ -109,7 +109,7 @@ DESCRIPTION be displayed. If **linum** is specified, the filename, line number and line column will also be displayed. - **bpftool prog dump jited** *PROG* [{ **file** *FILE* | **opcodes** | **linum** }] + **bpftool prog dump jited** *PROG* [{ **file** *FILE* | [**opcodes**] [**linum**] }] Dump jited image (host machine code) of the program. If *FILE* is specified image will be written to a file, diff --git a/tools/bpf/bpftool/bash-completion/bpftool b/tools/bpf/bpftool/bash-completion/bpftool index a3cb07172789..69c64dc18b1d 100644 --- a/tools/bpf/bpftool/bash-completion/bpftool +++ b/tools/bpf/bpftool/bash-completion/bpftool @@ -271,7 +271,7 @@ _bpftool() # Deal with simplest keywords case $prev in - help|hex|opcodes|visual|linum) + help|hex) return 0 ;; tag) @@ -369,13 +369,16 @@ _bpftool() return 0 ;; *) - _bpftool_once_attr 'file' + # "file" is not compatible with other keywords here + if _bpftool_search_list 'file'; then + return 0 + fi + if ! _bpftool_search_list 'linum opcodes visual'; then + _bpftool_once_attr 'file' + fi + _bpftool_once_attr 'linum opcodes' if _bpftool_search_list 'xlated' && [[ "$json" == 0 ]]; then - COMPREPLY+=( $( compgen -W 'opcodes visual linum' -- \ - "$cur" ) ) - else - COMPREPLY+=( $( compgen -W 'opcodes linum' -- \ - "$cur" ) ) + _bpftool_once_attr 'visual' fi return 0 ;; diff --git a/tools/bpf/bpftool/prog.c b/tools/bpf/bpftool/prog.c index 736defc6e5d0..092525a6933a 100644 --- a/tools/bpf/bpftool/prog.c +++ b/tools/bpf/bpftool/prog.c @@ -905,37 +905,42 @@ static int do_dump(int argc, char **argv) if (nb_fds < 1) goto exit_free; - if (is_prefix(*argv, "file")) { - NEXT_ARG(); - if (!argc) { - p_err("expected file path"); - goto exit_close; - } - if (nb_fds > 1) { - p_err("several programs matched"); - goto exit_close; - } + while (argc) { + if (is_prefix(*argv, "file")) { + NEXT_ARG(); + if (!argc) { + p_err("expected file path"); + goto exit_close; + } + if (nb_fds > 1) { + p_err("several programs matched"); + goto exit_close; + } - filepath = *argv; - NEXT_ARG(); - } else if (is_prefix(*argv, "opcodes")) { - opcodes = true; - NEXT_ARG(); - } else if (is_prefix(*argv, "visual")) { - if (nb_fds > 1) { - p_err("several programs matched"); + filepath = *argv; + NEXT_ARG(); + } else if (is_prefix(*argv, "opcodes")) { + opcodes = true; + NEXT_ARG(); + } else if (is_prefix(*argv, "visual")) { + if (nb_fds > 1) { + p_err("several programs matched"); + goto exit_close; + } + + visual = true; + NEXT_ARG(); + } else if (is_prefix(*argv, "linum")) { + linum = true; + NEXT_ARG(); + } else { + usage(); goto exit_close; } - - visual = true; - NEXT_ARG(); - } else if (is_prefix(*argv, "linum")) { - linum = true; - NEXT_ARG(); } - if (argc) { - usage(); + if (filepath && (opcodes || visual || linum)) { + p_err("'file' is not compatible with 'opcodes', 'visual', or 'linum'"); goto exit_close; } if (json_output && visual) { @@ -2419,8 +2424,8 @@ static int do_help(int argc, char **argv) fprintf(stderr, "Usage: %1$s %2$s { show | list } [PROG]\n" - " %1$s %2$s dump xlated PROG [{ file FILE | opcodes | visual | linum }]\n" - " %1$s %2$s dump jited PROG [{ file FILE | opcodes | linum }]\n" + " %1$s %2$s dump xlated PROG [{ file FILE | [opcodes] [linum] [visual] }]\n" + " %1$s %2$s dump jited PROG [{ file FILE | [opcodes] [linum] }]\n" " %1$s %2$s pin PROG FILE\n" " %1$s %2$s { load | loadall } OBJ PATH \\\n" " [type TYPE] [dev NAME] \\\n" |