diff options
Diffstat (limited to 'tools/testing/selftests/bpf/progs')
10 files changed, 159 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_existence.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_existence.c new file mode 100644 index 000000000000..0b62315ad46c --- /dev/null +++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_existence.c @@ -0,0 +1,3 @@ +#include "core_reloc_types.h" + +void f(struct core_reloc_existence x) {} diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_existence___err_wrong_arr_kind.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_existence___err_wrong_arr_kind.c new file mode 100644 index 000000000000..dd0ffa518f36 --- /dev/null +++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_existence___err_wrong_arr_kind.c @@ -0,0 +1,3 @@ +#include "core_reloc_types.h" + +void f(struct core_reloc_existence___err_wrong_arr_kind x) {} diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_existence___err_wrong_arr_value_type.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_existence___err_wrong_arr_value_type.c new file mode 100644 index 000000000000..bc83372088ad --- /dev/null +++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_existence___err_wrong_arr_value_type.c @@ -0,0 +1,3 @@ +#include "core_reloc_types.h" + +void f(struct core_reloc_existence___err_wrong_arr_value_type x) {} diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_existence___err_wrong_int_kind.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_existence___err_wrong_int_kind.c new file mode 100644 index 000000000000..917bec41be08 --- /dev/null +++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_existence___err_wrong_int_kind.c @@ -0,0 +1,3 @@ +#include "core_reloc_types.h" + +void f(struct core_reloc_existence___err_wrong_int_kind x) {} diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_existence___err_wrong_int_sz.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_existence___err_wrong_int_sz.c new file mode 100644 index 000000000000..6ec7e6ec1c91 --- /dev/null +++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_existence___err_wrong_int_sz.c @@ -0,0 +1,3 @@ +#include "core_reloc_types.h" + +void f(struct core_reloc_existence___err_wrong_int_sz x) {} diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_existence___err_wrong_int_type.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_existence___err_wrong_int_type.c new file mode 100644 index 000000000000..7bbcacf2b0d1 --- /dev/null +++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_existence___err_wrong_int_type.c @@ -0,0 +1,3 @@ +#include "core_reloc_types.h" + +void f(struct core_reloc_existence___err_wrong_int_type x) {} diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_existence___err_wrong_struct_type.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_existence___err_wrong_struct_type.c new file mode 100644 index 000000000000..f384dd38ec70 --- /dev/null +++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_existence___err_wrong_struct_type.c @@ -0,0 +1,3 @@ +#include "core_reloc_types.h" + +void f(struct core_reloc_existence___err_wrong_struct_type x) {} diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_existence___minimal.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_existence___minimal.c new file mode 100644 index 000000000000..aec2dec20e90 --- /dev/null +++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_existence___minimal.c @@ -0,0 +1,3 @@ +#include "core_reloc_types.h" + +void f(struct core_reloc_existence___minimal x) {} diff --git a/tools/testing/selftests/bpf/progs/core_reloc_types.h b/tools/testing/selftests/bpf/progs/core_reloc_types.h index 9a6bdeb4894c..ad763ec0ba8f 100644 --- a/tools/testing/selftests/bpf/progs/core_reloc_types.h +++ b/tools/testing/selftests/bpf/progs/core_reloc_types.h @@ -674,3 +674,59 @@ struct core_reloc_misc_extensible { int c; int d; }; + +/* + * EXISTENCE + */ +struct core_reloc_existence_output { + int a_exists; + int a_value; + int b_exists; + int b_value; + int c_exists; + int c_value; + int arr_exists; + int arr_value; + int s_exists; + int s_value; +}; + +struct core_reloc_existence { + int a; + struct { + int b; + }; + int c; + int arr[1]; + struct { + int x; + } s; +}; + +struct core_reloc_existence___minimal { + int a; +}; + +struct core_reloc_existence___err_wrong_int_sz { + short a; +}; + +struct core_reloc_existence___err_wrong_int_type { + int b[1]; +}; + +struct core_reloc_existence___err_wrong_int_kind { + struct{ int x; } c; +}; + +struct core_reloc_existence___err_wrong_arr_kind { + int arr; +}; + +struct core_reloc_existence___err_wrong_arr_value_type { + short arr[1]; +}; + +struct core_reloc_existence___err_wrong_struct_type { + int s; +}; diff --git a/tools/testing/selftests/bpf/progs/test_core_reloc_existence.c b/tools/testing/selftests/bpf/progs/test_core_reloc_existence.c new file mode 100644 index 000000000000..c3cac95a19f1 --- /dev/null +++ b/tools/testing/selftests/bpf/progs/test_core_reloc_existence.c @@ -0,0 +1,79 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (c) 2019 Facebook + +#include <linux/bpf.h> +#include <stdint.h> +#include "bpf_helpers.h" +#include "bpf_core_read.h" + +char _license[] SEC("license") = "GPL"; + +static volatile struct data { + char in[256]; + char out[256]; +} data; + +struct core_reloc_existence_output { + int a_exists; + int a_value; + int b_exists; + int b_value; + int c_exists; + int c_value; + int arr_exists; + int arr_value; + int s_exists; + int s_value; +}; + +struct core_reloc_existence { + struct { + int x; + } s; + int arr[1]; + int a; + struct { + int b; + }; + int c; +}; + +SEC("raw_tracepoint/sys_enter") +int test_core_existence(void *ctx) +{ + struct core_reloc_existence *in = (void *)&data.in; + struct core_reloc_existence_output *out = (void *)&data.out; + + out->a_exists = bpf_core_field_exists(in->a); + if (bpf_core_field_exists(in->a)) + out->a_value = BPF_CORE_READ(in, a); + else + out->a_value = 0xff000001u; + + out->b_exists = bpf_core_field_exists(in->b); + if (bpf_core_field_exists(in->b)) + out->b_value = BPF_CORE_READ(in, b); + else + out->b_value = 0xff000002u; + + out->c_exists = bpf_core_field_exists(in->c); + if (bpf_core_field_exists(in->c)) + out->c_value = BPF_CORE_READ(in, c); + else + out->c_value = 0xff000003u; + + out->arr_exists = bpf_core_field_exists(in->arr); + if (bpf_core_field_exists(in->arr)) + out->arr_value = BPF_CORE_READ(in, arr[0]); + else + out->arr_value = 0xff000004u; + + out->s_exists = bpf_core_field_exists(in->s); + if (bpf_core_field_exists(in->s)) + out->s_value = BPF_CORE_READ(in, s.x); + else + out->s_value = 0xff000005u; + + return 0; +} + |