From 5dc7a8b2114479fd945956ece9875f747a996a8e Mon Sep 17 00:00:00 2001 From: Andrii Nakryiko Date: Tue, 17 Dec 2019 21:25:50 -0800 Subject: bpftool, selftests/bpf: Embed object file inside skeleton Embed contents of BPF object file used for BPF skeleton generation inside skeleton itself. This allows to keep BPF object file and its skeleton in sync at all times, and simpifies skeleton instantiation. Also switch existing selftests to not require BPF_EMBED_OBJ anymore. Signed-off-by: Andrii Nakryiko Signed-off-by: Alexei Starovoitov Acked-by: Yonghong Song Link: https://lore.kernel.org/bpf/20191218052552.2915188-2-andriin@fb.com --- tools/testing/selftests/bpf/prog_tests/attach_probe.c | 4 +--- tools/testing/selftests/bpf/prog_tests/core_extern.c | 4 +--- tools/testing/selftests/bpf/prog_tests/fentry_fexit.c | 10 +++------- tools/testing/selftests/bpf/prog_tests/fentry_test.c | 7 ++----- tools/testing/selftests/bpf/prog_tests/mmap.c | 4 +--- tools/testing/selftests/bpf/prog_tests/skeleton.c | 4 +--- tools/testing/selftests/bpf/prog_tests/stacktrace_build_id.c | 4 +--- .../testing/selftests/bpf/prog_tests/stacktrace_build_id_nmi.c | 4 +--- 8 files changed, 11 insertions(+), 30 deletions(-) (limited to 'tools/testing/selftests/bpf/prog_tests') diff --git a/tools/testing/selftests/bpf/prog_tests/attach_probe.c b/tools/testing/selftests/bpf/prog_tests/attach_probe.c index 60da1d08daa0..5ed90ede2f1d 100644 --- a/tools/testing/selftests/bpf/prog_tests/attach_probe.c +++ b/tools/testing/selftests/bpf/prog_tests/attach_probe.c @@ -22,8 +22,6 @@ ssize_t get_base_addr() { return -EINVAL; } -BPF_EMBED_OBJ(probe, "test_attach_probe.o"); - void test_attach_probe(void) { int duration = 0; @@ -39,7 +37,7 @@ void test_attach_probe(void) return; uprobe_offset = (size_t)&get_base_addr - base_addr; - skel = test_attach_probe__open_and_load(&probe_embed); + skel = test_attach_probe__open_and_load(); if (CHECK(!skel, "skel_open", "failed to open skeleton\n")) return; if (CHECK(!skel->bss, "check_bss", ".bss wasn't mmap()-ed\n")) diff --git a/tools/testing/selftests/bpf/prog_tests/core_extern.c b/tools/testing/selftests/bpf/prog_tests/core_extern.c index 30a7972e9012..5f03dc1de29e 100644 --- a/tools/testing/selftests/bpf/prog_tests/core_extern.c +++ b/tools/testing/selftests/bpf/prog_tests/core_extern.c @@ -124,8 +124,6 @@ static struct test_case { { .name = "u64 (max+1)", .fails = 1, .cfg = CFG"CONFIG_ULONG=0x10000000000000000" }, }; -BPF_EMBED_OBJ(core_extern, "test_core_extern.o"); - void test_core_extern(void) { const uint32_t kern_ver = get_kernel_version(); @@ -159,7 +157,7 @@ void test_core_extern(void) opts.kconfig_path = tmp_cfg_path; } - skel = test_core_extern__open_opts(&core_extern_embed, &opts); + skel = test_core_extern__open_opts(&opts); if (CHECK(!skel, "skel_open", "skeleton open failed\n")) goto cleanup; err = test_core_extern__load(skel); diff --git a/tools/testing/selftests/bpf/prog_tests/fentry_fexit.c b/tools/testing/selftests/bpf/prog_tests/fentry_fexit.c index 110fcf053fd0..235ac4f67f5b 100644 --- a/tools/testing/selftests/bpf/prog_tests/fentry_fexit.c +++ b/tools/testing/selftests/bpf/prog_tests/fentry_fexit.c @@ -5,10 +5,6 @@ #include "fentry_test.skel.h" #include "fexit_test.skel.h" -BPF_EMBED_OBJ(pkt_access, "test_pkt_access.o"); -BPF_EMBED_OBJ(fentry, "fentry_test.o"); -BPF_EMBED_OBJ(fexit, "fexit_test.o"); - void test_fentry_fexit(void) { struct test_pkt_access *pkt_skel = NULL; @@ -18,13 +14,13 @@ void test_fentry_fexit(void) __u32 duration = 0, retval; int err, pkt_fd, i; - pkt_skel = test_pkt_access__open_and_load(&pkt_access_embed); + pkt_skel = test_pkt_access__open_and_load(); if (CHECK(!pkt_skel, "pkt_skel_load", "pkt_access skeleton failed\n")) return; - fentry_skel = fentry_test__open_and_load(&fentry_embed); + fentry_skel = fentry_test__open_and_load(); if (CHECK(!fentry_skel, "fentry_skel_load", "fentry skeleton failed\n")) goto close_prog; - fexit_skel = fexit_test__open_and_load(&fexit_embed); + fexit_skel = fexit_test__open_and_load(); if (CHECK(!fexit_skel, "fexit_skel_load", "fexit skeleton failed\n")) goto close_prog; diff --git a/tools/testing/selftests/bpf/prog_tests/fentry_test.c b/tools/testing/selftests/bpf/prog_tests/fentry_test.c index 46a4afdf507a..e1a379f5f7d2 100644 --- a/tools/testing/selftests/bpf/prog_tests/fentry_test.c +++ b/tools/testing/selftests/bpf/prog_tests/fentry_test.c @@ -4,9 +4,6 @@ #include "test_pkt_access.skel.h" #include "fentry_test.skel.h" -BPF_EMBED_OBJ_DECLARE(pkt_access); -BPF_EMBED_OBJ_DECLARE(fentry); - void test_fentry_test(void) { struct test_pkt_access *pkt_skel = NULL; @@ -15,10 +12,10 @@ void test_fentry_test(void) __u32 duration, retval; __u64 *result; - pkt_skel = test_pkt_access__open_and_load(&pkt_access_embed); + pkt_skel = test_pkt_access__open_and_load(); if (CHECK(!pkt_skel, "pkt_skel_load", "pkt_access skeleton failed\n")) return; - fentry_skel = fentry_test__open_and_load(&fentry_embed); + fentry_skel = fentry_test__open_and_load(); if (CHECK(!fentry_skel, "fentry_skel_load", "fentry skeleton failed\n")) goto cleanup; diff --git a/tools/testing/selftests/bpf/prog_tests/mmap.c b/tools/testing/selftests/bpf/prog_tests/mmap.c index 95a44d37ccea..16a814eb4d64 100644 --- a/tools/testing/selftests/bpf/prog_tests/mmap.c +++ b/tools/testing/selftests/bpf/prog_tests/mmap.c @@ -13,8 +13,6 @@ static size_t roundup_page(size_t sz) return (sz + page_size - 1) / page_size * page_size; } -BPF_EMBED_OBJ(test_mmap, "test_mmap.o"); - void test_mmap(void) { const size_t bss_sz = roundup_page(sizeof(struct test_mmap__bss)); @@ -30,7 +28,7 @@ void test_mmap(void) __u64 val = 0; - skel = test_mmap__open_and_load(&test_mmap_embed); + skel = test_mmap__open_and_load(); if (CHECK(!skel, "skel_open_and_load", "skeleton open/load failed\n")) return; diff --git a/tools/testing/selftests/bpf/prog_tests/skeleton.c b/tools/testing/selftests/bpf/prog_tests/skeleton.c index 151cdad3ad0d..ec6f2aec3853 100644 --- a/tools/testing/selftests/bpf/prog_tests/skeleton.c +++ b/tools/testing/selftests/bpf/prog_tests/skeleton.c @@ -10,8 +10,6 @@ struct s { #include "test_skeleton.skel.h" -BPF_EMBED_OBJ(skeleton, "test_skeleton.o"); - void test_skeleton(void) { int duration = 0, err; @@ -19,7 +17,7 @@ void test_skeleton(void) struct test_skeleton__bss *bss; struct test_skeleton__externs *exts; - skel = test_skeleton__open(&skeleton_embed); + skel = test_skeleton__open(); if (CHECK(!skel, "skel_open", "failed to open skeleton\n")) return; diff --git a/tools/testing/selftests/bpf/prog_tests/stacktrace_build_id.c b/tools/testing/selftests/bpf/prog_tests/stacktrace_build_id.c index 4af8b8253f25..e8399ae50e77 100644 --- a/tools/testing/selftests/bpf/prog_tests/stacktrace_build_id.c +++ b/tools/testing/selftests/bpf/prog_tests/stacktrace_build_id.c @@ -2,8 +2,6 @@ #include #include "test_stacktrace_build_id.skel.h" -BPF_EMBED_OBJ(stacktrace_build_id, "test_stacktrace_build_id.o"); - void test_stacktrace_build_id(void) { @@ -18,7 +16,7 @@ void test_stacktrace_build_id(void) int retry = 1; retry: - skel = test_stacktrace_build_id__open_and_load(&stacktrace_build_id_embed); + skel = test_stacktrace_build_id__open_and_load(); if (CHECK(!skel, "skel_open_and_load", "skeleton open/load failed\n")) return; diff --git a/tools/testing/selftests/bpf/prog_tests/stacktrace_build_id_nmi.c b/tools/testing/selftests/bpf/prog_tests/stacktrace_build_id_nmi.c index 32fb03881a7b..8974450a4bdb 100644 --- a/tools/testing/selftests/bpf/prog_tests/stacktrace_build_id_nmi.c +++ b/tools/testing/selftests/bpf/prog_tests/stacktrace_build_id_nmi.c @@ -15,8 +15,6 @@ static __u64 read_perf_max_sample_freq(void) return sample_freq; } -BPF_EMBED_OBJ_DECLARE(stacktrace_build_id); - void test_stacktrace_build_id_nmi(void) { int control_map_fd, stackid_hmap_fd, stackmap_fd; @@ -37,7 +35,7 @@ void test_stacktrace_build_id_nmi(void) attr.sample_freq = read_perf_max_sample_freq(); retry: - skel = test_stacktrace_build_id__open(&stacktrace_build_id_embed); + skel = test_stacktrace_build_id__open(); if (CHECK(!skel, "skel_open", "skeleton open failed\n")) return; -- cgit v1.2.3