linux/tools/bpf/bpftool
Andrii Nakryiko 17bbf925c6 tools/bpftool: Turn off -Wnested-externs warning
Turn off -Wnested-externs to avoid annoying warnings in BUILD_BUG_ON macro when
compiling bpftool:

In file included from /data/users/andriin/linux/tools/include/linux/build_bug.h:5,
                 from /data/users/andriin/linux/tools/include/linux/kernel.h:8,
                 from /data/users/andriin/linux/kernel/bpf/disasm.h:10,
                 from /data/users/andriin/linux/kernel/bpf/disasm.c:8:
/data/users/andriin/linux/kernel/bpf/disasm.c: In function ‘__func_get_name’:
/data/users/andriin/linux/tools/include/linux/compiler.h:37:38: warning: nested extern declaration of ‘__compiletime_assert_0’ [-Wnested-externs]
  _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
                                      ^~~~~~~~~~~~~~~~~~~~~
/data/users/andriin/linux/tools/include/linux/compiler.h:16:15: note: in definition of macro ‘__compiletime_assert’
   extern void prefix ## suffix(void) __compiletime_error(msg); \
               ^~~~~~
/data/users/andriin/linux/tools/include/linux/compiler.h:37:2: note: in expansion of macro ‘_compiletime_assert’
  _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
  ^~~~~~~~~~~~~~~~~~~
/data/users/andriin/linux/tools/include/linux/build_bug.h:39:37: note: in expansion of macro ‘compiletime_assert’
 #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
                                     ^~~~~~~~~~~~~~~~~~
/data/users/andriin/linux/tools/include/linux/build_bug.h:50:2: note: in expansion of macro ‘BUILD_BUG_ON_MSG’
  BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
  ^~~~~~~~~~~~~~~~
/data/users/andriin/linux/kernel/bpf/disasm.c:20:2: note: in expansion of macro ‘BUILD_BUG_ON’
  BUILD_BUG_ON(ARRAY_SIZE(func_id_str) != __BPF_FUNC_MAX_ID);
  ^~~~~~~~~~~~

Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20200701212816.2072340-1-andriin@fb.com
2020-07-02 00:18:28 +02:00
..
bash-completion bpf, bpftool: Enable get{peer, sock}name attach types 2020-05-19 11:32:04 -07:00
Documentation tools/bpftool: Add documentation and sample output for process info 2020-06-22 17:01:49 -07:00
skeleton tools/bpftool: Show info for processes holding BPF map/prog/link/btf FDs 2020-06-22 17:01:49 -07:00
.gitignore tools/bpftool: Generalize BPF skeleton support and generate vmlinux.h 2020-06-22 17:01:48 -07:00
btf_dumper.c tools, bpftool: Poison and replace kernel integer typedefs 2020-05-11 21:20:46 +02:00
btf.c tools/bpftool: Show info for processes holding BPF map/prog/link/btf FDs 2020-06-22 17:01:49 -07:00
cfg.c tools, bpftool: Poison and replace kernel integer typedefs 2020-05-11 21:20:46 +02:00
cfg.h tools: bpftool: replace Netronome boilerplate with SPDX license headers 2018-12-13 12:08:44 +01:00
cgroup.c tools, bpftool: Clean subcommand help messages 2020-06-01 14:38:18 -07:00
common.c tools, bpftool: Define attach_type_name array only once 2020-06-25 16:06:01 +02:00
feature.c tools, bpftool: Define prog_type_name array only once 2020-06-25 16:06:01 +02:00
gen.c tools/bpftool: Fix skeleton codegen 2020-06-12 15:25:04 -07:00
iter.c tools, bpftool: Clean subcommand help messages 2020-06-01 14:38:18 -07:00
jit_disasm.c tools/bpf/bpftool: Remove duplicate headers 2020-04-26 08:40:01 -07:00
json_writer.c tools: bpftool: move "__printf()" attributes to header file 2019-08-15 22:06:46 -07:00
json_writer.h tools: bpftool: move "__printf()" attributes to header file 2019-08-15 22:06:46 -07:00
link.c tools, bpftool: Define prog_type_name array only once 2020-06-25 16:06:01 +02:00
main.c tools/bpftool: Show info for processes holding BPF map/prog/link/btf FDs 2020-06-22 17:01:49 -07:00
main.h tools, bpftool: Define attach_type_name array only once 2020-06-25 16:06:01 +02:00
Makefile tools/bpftool: Turn off -Wnested-externs warning 2020-07-02 00:18:28 +02:00
map_perf_ring.c tools, bpftool: Poison and replace kernel integer typedefs 2020-05-11 21:20:46 +02:00
map.c tools, bpftool: Define prog_type_name array only once 2020-06-25 16:06:01 +02:00
net.c tools, bpftool: Clean subcommand help messages 2020-06-01 14:38:18 -07:00
netlink_dumper.c bpftool: Use consistent include paths for libbpf 2020-01-20 16:37:45 -08:00
netlink_dumper.h tools: bpftool: dual license all files 2018-12-13 12:08:44 +01:00
perf.c tools, bpftool: Clean subcommand help messages 2020-06-01 14:38:18 -07:00
pids.c tools, bpftool: Fix variable shadowing in emit_obj_refs_json() 2020-06-24 15:46:28 +02:00
prog.c tools, bpftool: Define prog_type_name array only once 2020-06-25 16:06:01 +02:00
struct_ops.c tools, bpftool: Clean subcommand help messages 2020-06-01 14:38:18 -07:00
tracelog.c tools: bpftool: add an option to prevent auto-mount of bpffs, tracefs 2018-12-18 14:47:17 +01:00
xlated_dumper.c bpftool: Use consistent include paths for libbpf 2020-01-20 16:37:45 -08:00
xlated_dumper.h tools: bpftool: replace Netronome boilerplate with SPDX license headers 2018-12-13 12:08:44 +01:00