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authorQuentin Monnet <quentin@isovalent.com>2020-05-11 19:15:33 +0300
committerDaniel Borkmann <daniel@iogearbox.net>2020-05-11 22:20:46 +0300
commit6e7e034e88e8e22cb14765c86da92416017e45b8 (patch)
treea51838934255b07523f0eaf6517713ff7c92a99f /tools/bpf
parent385bbf7b119a4feb6d6bcf3586f1bb1dd9c5b0a0 (diff)
downloadlinux-6e7e034e88e8e22cb14765c86da92416017e45b8.tar.xz
tools, bpftool: Poison and replace kernel integer typedefs
Replace the use of kernel-only integer typedefs (u8, u32, etc.) by their user space counterpart (__u8, __u32, etc.). Similarly to what libbpf does, poison the typedefs to avoid introducing them again in the future. Signed-off-by: Quentin Monnet <quentin@isovalent.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/bpf/20200511161536.29853-2-quentin@isovalent.com
Diffstat (limited to 'tools/bpf')
-rw-r--r--tools/bpf/bpftool/btf_dumper.c4
-rw-r--r--tools/bpf/bpftool/cfg.c4
-rw-r--r--tools/bpf/bpftool/main.h3
-rw-r--r--tools/bpf/bpftool/map_perf_ring.c2
-rw-r--r--tools/bpf/bpftool/prog.c2
5 files changed, 9 insertions, 6 deletions
diff --git a/tools/bpf/bpftool/btf_dumper.c b/tools/bpf/bpftool/btf_dumper.c
index 497807bec675..ede162f83eea 100644
--- a/tools/bpf/bpftool/btf_dumper.c
+++ b/tools/bpf/bpftool/btf_dumper.c
@@ -271,8 +271,8 @@ static void btf_int128_print(json_writer_t *jw, const void *data,
}
}
-static void btf_int128_shift(__u64 *print_num, u16 left_shift_bits,
- u16 right_shift_bits)
+static void btf_int128_shift(__u64 *print_num, __u16 left_shift_bits,
+ __u16 right_shift_bits)
{
__u64 upper_num, lower_num;
diff --git a/tools/bpf/bpftool/cfg.c b/tools/bpf/bpftool/cfg.c
index 3e21f994f262..1951219a9af7 100644
--- a/tools/bpf/bpftool/cfg.c
+++ b/tools/bpf/bpftool/cfg.c
@@ -157,7 +157,7 @@ static bool cfg_partition_funcs(struct cfg *cfg, struct bpf_insn *cur,
return false;
}
-static bool is_jmp_insn(u8 code)
+static bool is_jmp_insn(__u8 code)
{
return BPF_CLASS(code) == BPF_JMP || BPF_CLASS(code) == BPF_JMP32;
}
@@ -176,7 +176,7 @@ static bool func_partition_bb_head(struct func_node *func)
for (; cur <= end; cur++) {
if (is_jmp_insn(cur->code)) {
- u8 opcode = BPF_OP(cur->code);
+ __u8 opcode = BPF_OP(cur->code);
if (opcode == BPF_EXIT || opcode == BPF_CALL)
continue;
diff --git a/tools/bpf/bpftool/main.h b/tools/bpf/bpftool/main.h
index a41cefabccaf..f89ac70ef973 100644
--- a/tools/bpf/bpftool/main.h
+++ b/tools/bpf/bpftool/main.h
@@ -18,6 +18,9 @@
#include "json_writer.h"
+/* Make sure we do not use kernel-only integer typedefs */
+#pragma GCC poison u8 u16 u32 u64 s8 s16 s32 s64
+
#define ptr_to_u64(ptr) ((__u64)(unsigned long)(ptr))
#define NEXT_ARG() ({ argc--; argv++; if (argc < 0) usage(); })
diff --git a/tools/bpf/bpftool/map_perf_ring.c b/tools/bpf/bpftool/map_perf_ring.c
index d9b29c17fbb8..825f29f93a57 100644
--- a/tools/bpf/bpftool/map_perf_ring.c
+++ b/tools/bpf/bpftool/map_perf_ring.c
@@ -39,7 +39,7 @@ struct event_ring_info {
struct perf_event_sample {
struct perf_event_header header;
- u64 time;
+ __u64 time;
__u32 size;
unsigned char data[];
};
diff --git a/tools/bpf/bpftool/prog.c b/tools/bpf/bpftool/prog.c
index f6a5974a7b0a..b6e5ba568f98 100644
--- a/tools/bpf/bpftool/prog.c
+++ b/tools/bpf/bpftool/prog.c
@@ -238,7 +238,7 @@ exit_free:
return fd;
}
-static void show_prog_maps(int fd, u32 num_maps)
+static void show_prog_maps(int fd, __u32 num_maps)
{
struct bpf_prog_info info = {};
__u32 len = sizeof(info);