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| author |   Andrii Nakryiko <andriin@fb.com> | 2019-10-08 10:59:41 -0700 |
|---|---|---|
| committer |   Daniel Borkmann <daniel@iogearbox.net> | 2019-10-08 23:16:03 +0200 |
| commit | 7db3822ab99157e16c41caa5e7d788834d5a3c7c (patch) | |
| tree | efa28d61256bd444894a495495ca22c0787dff0f /tools/testing/selftests/bpf/progs | |
| parent | libbpf: Move bpf_{helpers, helper_defs, endian, tracing}.h into libbpf (diff) | |
| download | linux-dev-7db3822ab99157e16c41caa5e7d788834d5a3c7c.tar.xz linux-dev-7db3822ab99157e16c41caa5e7d788834d5a3c7c.zip | |
libbpf: Add BPF_CORE_READ/BPF_CORE_READ_INTO helpers
Add few macros simplifying BCC-like multi-level probe reads, while also
emitting CO-RE relocations for each read.
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Acked-by: Song Liu <songliubraving@fb.com>
Link: https://lore.kernel.org/bpf/20191008175942.1769476-7-andriin@fb.com
Diffstat (limited to 'tools/testing/selftests/bpf/progs')
9 files changed, 9 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/test_core_reloc_arrays.c b/tools/testing/selftests/bpf/progs/test_core_reloc_arrays.c index 8e3f6e6a90e7..96b1f5f3b07a 100644 --- a/tools/testing/selftests/bpf/progs/test_core_reloc_arrays.c +++ b/tools/testing/selftests/bpf/progs/test_core_reloc_arrays.c @@ -4,6 +4,7 @@ #include <linux/bpf.h> #include <stdint.h> #include "bpf_helpers.h" +#include "bpf_core_read.h" char _license[] SEC("license") = "GPL"; diff --git a/tools/testing/selftests/bpf/progs/test_core_reloc_flavors.c b/tools/testing/selftests/bpf/progs/test_core_reloc_flavors.c index 613474a18b45..71fd7cebc9d7 100644 --- a/tools/testing/selftests/bpf/progs/test_core_reloc_flavors.c +++ b/tools/testing/selftests/bpf/progs/test_core_reloc_flavors.c @@ -4,6 +4,7 @@ #include <linux/bpf.h> #include <stdint.h> #include "bpf_helpers.h" +#include "bpf_core_read.h" char _license[] SEC("license") = "GPL"; diff --git a/tools/testing/selftests/bpf/progs/test_core_reloc_ints.c b/tools/testing/selftests/bpf/progs/test_core_reloc_ints.c index 7a88a3975455..ad5c3f59c9c6 100644 --- a/tools/testing/selftests/bpf/progs/test_core_reloc_ints.c +++ b/tools/testing/selftests/bpf/progs/test_core_reloc_ints.c @@ -4,6 +4,7 @@ #include <linux/bpf.h> #include <stdint.h> #include "bpf_helpers.h" +#include "bpf_core_read.h" char _license[] SEC("license") = "GPL"; diff --git a/tools/testing/selftests/bpf/progs/test_core_reloc_kernel.c b/tools/testing/selftests/bpf/progs/test_core_reloc_kernel.c index 684a06cf41ea..14ce688463de 100644 --- a/tools/testing/selftests/bpf/progs/test_core_reloc_kernel.c +++ b/tools/testing/selftests/bpf/progs/test_core_reloc_kernel.c @@ -4,6 +4,7 @@ #include <linux/bpf.h> #include <stdint.h> #include "bpf_helpers.h" +#include "bpf_core_read.h" char _license[] SEC("license") = "GPL"; diff --git a/tools/testing/selftests/bpf/progs/test_core_reloc_misc.c b/tools/testing/selftests/bpf/progs/test_core_reloc_misc.c index 10bdb2050552..1a36b0856653 100644 --- a/tools/testing/selftests/bpf/progs/test_core_reloc_misc.c +++ b/tools/testing/selftests/bpf/progs/test_core_reloc_misc.c @@ -4,6 +4,7 @@ #include <linux/bpf.h> #include <stdint.h> #include "bpf_helpers.h" +#include "bpf_core_read.h" char _license[] SEC("license") = "GPL"; diff --git a/tools/testing/selftests/bpf/progs/test_core_reloc_mods.c b/tools/testing/selftests/bpf/progs/test_core_reloc_mods.c index e930e7e88c5c..3199fafede2c 100644 --- a/tools/testing/selftests/bpf/progs/test_core_reloc_mods.c +++ b/tools/testing/selftests/bpf/progs/test_core_reloc_mods.c @@ -4,6 +4,7 @@ #include <linux/bpf.h> #include <stdint.h> #include "bpf_helpers.h" +#include "bpf_core_read.h" char _license[] SEC("license") = "GPL"; diff --git a/tools/testing/selftests/bpf/progs/test_core_reloc_nesting.c b/tools/testing/selftests/bpf/progs/test_core_reloc_nesting.c index b63007958290..98238cb64fbd 100644 --- a/tools/testing/selftests/bpf/progs/test_core_reloc_nesting.c +++ b/tools/testing/selftests/bpf/progs/test_core_reloc_nesting.c @@ -4,6 +4,7 @@ #include <linux/bpf.h> #include <stdint.h> #include "bpf_helpers.h" +#include "bpf_core_read.h" char _license[] SEC("license") = "GPL"; diff --git a/tools/testing/selftests/bpf/progs/test_core_reloc_primitives.c b/tools/testing/selftests/bpf/progs/test_core_reloc_primitives.c index 7654f59914bc..4f3ecb9127bb 100644 --- a/tools/testing/selftests/bpf/progs/test_core_reloc_primitives.c +++ b/tools/testing/selftests/bpf/progs/test_core_reloc_primitives.c @@ -4,6 +4,7 @@ #include <linux/bpf.h> #include <stdint.h> #include "bpf_helpers.h" +#include "bpf_core_read.h" char _license[] SEC("license") = "GPL"; diff --git a/tools/testing/selftests/bpf/progs/test_core_reloc_ptr_as_arr.c b/tools/testing/selftests/bpf/progs/test_core_reloc_ptr_as_arr.c index 709f7cba453f..27f602f00419 100644 --- a/tools/testing/selftests/bpf/progs/test_core_reloc_ptr_as_arr.c +++ b/tools/testing/selftests/bpf/progs/test_core_reloc_ptr_as_arr.c @@ -4,6 +4,7 @@ #include <linux/bpf.h> #include <stdint.h> #include "bpf_helpers.h" +#include "bpf_core_read.h" char _license[] SEC("license") = "GPL"; |