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authorGreg Kroah-Hartman <[email protected]>2023-12-11 08:39:35 +0100
committerGreg Kroah-Hartman <[email protected]>2023-12-11 08:39:35 +0100
commit0e42b5fee8a8c5bc173f702b0745da6d9329c714 (patch)
treea71b0daded5764fcc33b88f9344872c13f4b488e /tools/testing/selftests/bpf/progs/tailcall_poke.c
parent386a766c4169006d0e9df44823849930b8995e32 (diff)
parenta39b6ac3781d46ba18193c9dbb2110f31e9bffe9 (diff)
Merge 6.7-rc5 into char-misc-next
We need the char/misc fixes in here as well for testing and to build off of. Signed-off-by: Greg Kroah-Hartman <[email protected]>
Diffstat (limited to 'tools/testing/selftests/bpf/progs/tailcall_poke.c')
-rw-r--r--tools/testing/selftests/bpf/progs/tailcall_poke.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/tailcall_poke.c b/tools/testing/selftests/bpf/progs/tailcall_poke.c
new file mode 100644
index 000000000000..c78b94b75e83
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/tailcall_poke.c
@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct {
+ __uint(type, BPF_MAP_TYPE_PROG_ARRAY);
+ __uint(max_entries, 1);
+ __uint(key_size, sizeof(__u32));
+ __uint(value_size, sizeof(__u32));
+} jmp_table SEC(".maps");
+
+SEC("?fentry/bpf_fentry_test1")
+int BPF_PROG(test, int a)
+{
+ bpf_tail_call_static(ctx, &jmp_table, 0);
+ return 0;
+}
+
+SEC("fentry/bpf_fentry_test1")
+int BPF_PROG(call1, int a)
+{
+ return 0;
+}
+
+SEC("fentry/bpf_fentry_test1")
+int BPF_PROG(call2, int a)
+{
+ return 0;
+}