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authorDavid S. Miller <davem@davemloft.net>2020-05-14 20:31:21 -0700
committerDavid S. Miller <davem@davemloft.net>2020-05-14 20:31:21 -0700
commitd00f26b623333f2419f4c3b95ff11c8b1bb96f56 (patch)
treefa1ae8e845b1b788168ecbba8bcec77633f4f683 /tools/lib/bpf/bpf_tracing.h
parent9b65d2ffe853e4cf81585eaf60ce00237b277dc0 (diff)
parentb92d44b5c2efe70dbe7fc44fdd2ad46f8612418a (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Alexei Starovoitov says: ==================== pull-request: bpf-next 2020-05-14 The following pull-request contains BPF updates for your *net-next* tree. The main changes are: 1) Merged tag 'perf-for-bpf-2020-05-06' from tip tree that includes CAP_PERFMON. 2) support for narrow loads in bpf_sock_addr progs and additional helpers in cg-skb progs, from Andrey. 3) bpf benchmark runner, from Andrii. 4) arm and riscv JIT optimizations, from Luke. 5) bpf iterator infrastructure, from Yonghong. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'tools/lib/bpf/bpf_tracing.h')
-rw-r--r--tools/lib/bpf/bpf_tracing.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/tools/lib/bpf/bpf_tracing.h b/tools/lib/bpf/bpf_tracing.h
index f3f3c3fb98cb..cf97d07692b4 100644
--- a/tools/lib/bpf/bpf_tracing.h
+++ b/tools/lib/bpf/bpf_tracing.h
@@ -413,4 +413,20 @@ typeof(name(0)) name(struct pt_regs *ctx) \
} \
static __always_inline typeof(name(0)) ____##name(struct pt_regs *ctx, ##args)
+/*
+ * BPF_SEQ_PRINTF to wrap bpf_seq_printf to-be-printed values
+ * in a structure.
+ */
+#define BPF_SEQ_PRINTF(seq, fmt, args...) \
+ ({ \
+ _Pragma("GCC diagnostic push") \
+ _Pragma("GCC diagnostic ignored \"-Wint-conversion\"") \
+ static const char ___fmt[] = fmt; \
+ unsigned long long ___param[] = { args }; \
+ _Pragma("GCC diagnostic pop") \
+ int ___ret = bpf_seq_printf(seq, ___fmt, sizeof(___fmt), \
+ ___param, sizeof(___param)); \
+ ___ret; \
+ })
+
#endif