selftests/bpf: Add test validating failure on ambiguous relocation value (00b2e953) · Commits · 戴 / test

tools/testing/selftests/bpf/prog_tests/core_reloc.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -452,6 +452,7 @@ static struct core_reloc_test_case test_cases[] = {
		/* size relocation checks */
		SIZE_CASE(size),
		SIZE_CASE(size___diff_sz),
		SIZE_ERR_CASE(size___err_ambiguous),
		};

		struct data {

0 → 100644

+4 −0

Original line number	Diff line number	Diff line
		#include "core_reloc_types.h"

		void f(struct core_reloc_size___err_ambiguous1 x,
		struct core_reloc_size___err_ambiguous2 y) {}

+25 −0

Original line number	Diff line number	Diff line
		@@ -809,3 +809,28 @@ struct core_reloc_size___diff_sz {
		void *ptr_field;
		enum { OTHER_VALUE = 0xFFFFFFFFFFFFFFFF } enum_field;
		};

		/* Error case of two candidates with the fields (int_field) at the same
		* offset, but with differing final relocation values: size 4 vs size 1
		*/
		struct core_reloc_size___err_ambiguous1 {
		/* int at offset 0 */
		int int_field;

		struct { int x; } struct_field;
		union { int x; } union_field;
		int arr_field[4];
		void *ptr_field;
		enum { VALUE___1 = 123 } enum_field;
		};

		struct core_reloc_size___err_ambiguous2 {
		/* char at offset 0 */
		char int_field;

		struct { int x; } struct_field;
		union { int x; } union_field;
		int arr_field[4];
		void *ptr_field;
		enum { VALUE___2 = 123 } enum_field;
		};