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elf, uapi: Add types ElfXX_Verdef and ElfXX_Veraux

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The types are used by tools/testing/selftests/vDSO/parse_vdso.c.

To be able to build the vDSO selftests without a libc dependency,
add the types to the kernels own UAPI headers.

Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Kees Cook <kees@kernel.org>
Reviewed-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Acked-by: Shuah Khan <skhan@linuxfoundation.org>
Link: https://refspecs.linuxfoundation.org/LSB_5.0.0/LSB-Core-generic/LSB-Core-generic/symversion.html#VERDEFEXTS
Link: https://lore.kernel.org/all/20250226-parse_vdso-nolibc-v2-6-28e14e031ed8@linutronix.de
This commit is contained in:
Thomas Weißschuh
2025-03-03 20:00:12 +01:00
committed by Thomas Gleixner
parent 2c86f604f8
commit e0d15896f5
1 changed files with 30 additions and 0 deletions
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include/uapi/linux/elf.h
+30
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@@ -491,4 +491,34 @@ typedef struct elf64_note {
/* Bits for GNU_PROPERTY_AARCH64_FEATURE_1_BTI */
#define GNU_PROPERTY_AARCH64_FEATURE_1_BTI (1U << 0)
typedef struct {
Elf32_Half vd_version;
Elf32_Half vd_flags;
Elf32_Half vd_ndx;
Elf32_Half vd_cnt;
Elf32_Word vd_hash;
Elf32_Word vd_aux;
Elf32_Word vd_next;
} Elf32_Verdef;
typedef struct {
Elf64_Half vd_version;
Elf64_Half vd_flags;
Elf64_Half vd_ndx;
Elf64_Half vd_cnt;
Elf64_Word vd_hash;
Elf64_Word vd_aux;
Elf64_Word vd_next;
} Elf64_Verdef;
typedef struct {
Elf32_Word vda_name;
Elf32_Word vda_next;
} Elf32_Verdaux;
typedef struct {
Elf64_Word vda_name;
Elf64_Word vda_next;
} Elf64_Verdaux;
#endif /* _UAPI_LINUX_ELF_H */