selftests/bpf: Remove too strict field offset relo test cases

As libbpf is going to gain support for more field relocations, including field
size, some restrictions about exact size match are going to be lifted. Remove
test cases that explicitly test such failures.

Signed-off-by: Andrii Nakryiko <[e-mail]>
Signed-off-by: Daniel Borkmann <[e-mail]>
Link: https://lore.kernel.org/bpf/[e-mail]

tools/testing/selftests/bpf/progs/btf__core_reloc_arrays___err_wrong_val_type.c

···
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_arrays___err_wrong_val_type x) {}

tools/testing/selftests/bpf/progs/btf__core_reloc_arrays___err_wrong_val_type1.c

···
-#include "core_reloc_types.h"
-
-void f(struct core_reloc_arrays___err_wrong_val_type1 x) {}

tools/testing/selftests/bpf/progs/btf__core_reloc_arrays___err_wrong_val_type2.c

···
-#include "core_reloc_types.h"
-
-void f(struct core_reloc_arrays___err_wrong_val_type2 x) {}

tools/testing/selftests/bpf/progs/btf__core_reloc_ints___err_bitfield.c

···
-#include "core_reloc_types.h"
-
-void f(struct core_reloc_ints___err_bitfield x) {}

tools/testing/selftests/bpf/progs/btf__core_reloc_ints___err_wrong_sz_16.c

···
-#include "core_reloc_types.h"
-
-void f(struct core_reloc_ints___err_wrong_sz_16 x) {}

tools/testing/selftests/bpf/progs/btf__core_reloc_ints___err_wrong_sz_32.c

···
-#include "core_reloc_types.h"
-
-void f(struct core_reloc_ints___err_wrong_sz_32 x) {}

tools/testing/selftests/bpf/progs/btf__core_reloc_ints___err_wrong_sz_64.c

···
-#include "core_reloc_types.h"
-
-void f(struct core_reloc_ints___err_wrong_sz_64 x) {}

tools/testing/selftests/bpf/progs/btf__core_reloc_ints___err_wrong_sz_8.c

···
-#include "core_reloc_types.h"
-
-void f(struct core_reloc_ints___err_wrong_sz_8 x) {}

tools/testing/selftests/bpf/progs/core_reloc_types.h

···
 	struct core_reloc_arrays_substruct d[1][2];
 };
 
-struct core_reloc_arrays___err_wrong_val_type1 {
-	char a[5]; /* char instead of int */
-	char b[2][3][4];
-	struct core_reloc_arrays_substruct c[3];
-	struct core_reloc_arrays_substruct d[1][2];
-};
-
-struct core_reloc_arrays___err_wrong_val_type2 {
+struct core_reloc_arrays___err_wrong_val_type {
 	int a[5];
 	char b[2][3][4];
 	int c[3]; /* value is not a struct */
···
 	int32_t		s32_field;
 	uint64_t	u64_field;
 	int64_t		s64_field;
-};
-
-struct core_reloc_ints___err_bitfield {
-	uint8_t		u8_field;
-	int8_t		s8_field;
-	uint16_t	u16_field;
-	int16_t		s16_field;
-	uint32_t	u32_field: 32; /* bitfields are not supported */
-	int32_t		s32_field;
-	uint64_t	u64_field;
-	int64_t		s64_field;
-};
-
-struct core_reloc_ints___err_wrong_sz_8 {
-	uint16_t	u8_field; /* not 8-bit anymore */
-	int16_t		s8_field; /* not 8-bit anymore */
-
-	uint16_t	u16_field;
-	int16_t		s16_field;
-	uint32_t	u32_field;
-	int32_t		s32_field;
-	uint64_t	u64_field;
-	int64_t		s64_field;
-};
-
-struct core_reloc_ints___err_wrong_sz_16 {
-	uint8_t		u8_field;
-	int8_t		s8_field;
-
-	uint32_t	u16_field; /* not 16-bit anymore */
-	int32_t		s16_field; /* not 16-bit anymore */
-
-	uint32_t	u32_field;
-	int32_t		s32_field;
-	uint64_t	u64_field;
-	int64_t		s64_field;
-};
-
-struct core_reloc_ints___err_wrong_sz_32 {
-	uint8_t		u8_field;
-	int8_t		s8_field;
-	uint16_t	u16_field;
-	int16_t		s16_field;
-
-	uint64_t	u32_field; /* not 32-bit anymore */
-	int64_t		s32_field; /* not 32-bit anymore */
-
-	uint64_t	u64_field;
-	int64_t		s64_field;
-};
-
-struct core_reloc_ints___err_wrong_sz_64 {
-	uint8_t		u8_field;
-	int8_t		s8_field;
-	uint16_t	u16_field;
-	int16_t		s16_field;
-	uint32_t	u32_field;
-	int32_t		s32_field;
-
-	uint32_t	u64_field; /* not 64-bit anymore */
-	int32_t		s64_field; /* not 64-bit anymore */
 };
 
 /*