s390x used 8 byte (Elf64_Xword) sized hash table entries.
Add some code to the vdso test to handle that properly.
Signed-off-by: Sven Schnelle <svens@xxxxxxxxxxxxx>
---
tools/testing/selftests/vDSO/parse_vdso.c | 14 ++++++++++----
tools/testing/selftests/vDSO/vdso_test.c | 11 +++++++----
2 files changed, 17 insertions(+), 8 deletions(-)
diff --git a/tools/testing/selftests/vDSO/parse_vdso.c b/tools/testing/selftests/vDSO/parse_vdso.c
index 8e5a70a24d9a..2e1e88ebee3d 100644
--- a/tools/testing/selftests/vDSO/parse_vdso.c
+++ b/tools/testing/selftests/vDSO/parse_vdso.c
@@ -58,6 +58,12 @@ extern void *vdso_sym(const char *version, const char *name);
#define ELF_BITS_XFORM(bits, x) ELF_BITS_XFORM2(bits, x)
#define ELF(x) ELF_BITS_XFORM(ELF_BITS, x)
+#if defined(__s390x__)
+#define ELF_HASH_TYPE ELF(Xword)
+#else
+#define ELF_HASH_TYPE ELF(Word)
+#endif
+
static struct vdso_info
{
bool valid;
@@ -69,8 +75,8 @@ static struct vdso_info
/* Symbol table */
ELF(Sym) *symtab;
const char *symstrings;
- ELF(Word) *bucket, *chain;
- ELF(Word) nbucket, nchain;
+ ELF_HASH_TYPE *bucket, *chain;
+ ELF_HASH_TYPE nbucket, nchain;
/* Version table */
ELF(Versym) *versym;
@@ -131,7 +137,7 @@ void vdso_init_from_sysinfo_ehdr(uintptr_t base)
/*
* Fish out the useful bits of the dynamic table.
*/
- ELF(Word) *hash = 0;
+ ELF_HASH_TYPE *hash = 0;
vdso_info.symstrings = 0;
vdso_info.symtab = 0;
vdso_info.versym = 0;
@@ -149,7 +155,7 @@ void vdso_init_from_sysinfo_ehdr(uintptr_t base)
+ vdso_info.load_offset);
break;
case DT_HASH:
- hash = (ELF(Word) *)
+ hash = (ELF_HASH_TYPE *)
((uintptr_t)dyn[i].d_un.d_ptr
+ vdso_info.load_offset);
break;
diff --git a/tools/testing/selftests/vDSO/vdso_test.c b/tools/testing/selftests/vDSO/vdso_test.c
index 719d5a6bd664..2b21261a5eba 100644
--- a/tools/testing/selftests/vDSO/vdso_test.c
+++ b/tools/testing/selftests/vDSO/vdso_test.c
@@ -22,11 +22,14 @@ extern void vdso_init_from_sysinfo_ehdr(uintptr_t base);
extern void vdso_init_from_auxv(void *auxv);
/*
- * ARM64's vDSO exports its gettimeofday() implementation with a different
- * name and version from other architectures, so we need to handle it as
- * a special case.
+ * Both ARM64's and s390x' vDSO exports its gettimeofday() implementation
+ * with a different name and version from other architectures, so we need
+ * to handle them as a special case.
*/
-#if defined(__aarch64__)
+#if defined(__s390x__)
+const char *version = "LINUX_2.6.29";
+const char *name = "__kernel_gettimeofday";
+#elif defined(__aarch64__)
const char *version = "LINUX_2.6.39";
const char *name = "__kernel_gettimeofday";
#else
--
2.17.1
