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.

Link: 
https://refspecs.linuxfoundation.org/LSB_5.0.0/LSB-Core-generic/LSB-Core-generic/symversion.html#VERDEFEXTS
Reviewed-by: Kees Cook <k...@kernel.org>
Signed-off-by: Thomas Weißschuh <thomas.weisssc...@linutronix.de>
---
 include/uapi/linux/elf.h | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/include/uapi/linux/elf.h b/include/uapi/linux/elf.h
index 
8846fe03ca5b836c96aad1be6d8fb9daf3d4b1d9..49f9f90458d8ca8e7b8f823d32be0a719ff827b3
 100644
--- a/include/uapi/linux/elf.h
+++ b/include/uapi/linux/elf.h
@@ -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 */

-- 
2.48.1


Reply via email to