1 files changed, 20 insertions, 0 deletions

diff --git a/include/asm-sh/elf.h b/include/asm-sh/elf.h
index cc8e5e767345..3a07ab40ac4d 100644
--- a/include/asm-sh/elf.h
+++ b/include/asm-sh/elf.h
@@ -121,4 +121,24 @@ extern int dump_task_fpu (struct task_struct *, elf_fpregset_t *);
 #define ELF_CORE_COPY_FPREGS(tsk, elf_fpregs) dump_task_fpu(tsk, elf_fpregs)
 #endif
 
+#ifdef CONFIG_VSYSCALL
+/* vDSO has arch_setup_additional_pages */
+#define ARCH_HAS_SETUP_ADDITIONAL_PAGES
+struct linux_binprm;
+extern int arch_setup_additional_pages(struct linux_binprm *bprm,
+                                       int executable_stack);
+
+extern unsigned int vdso_enabled;
+extern void __kernel_vsyscall;
+
+#define VDSO_BASE               ((unsigned long)current->mm->context.vdso)
+#define VDSO_SYM(x)             (VDSO_BASE + (unsigned long)(x))
+
+#define ARCH_DLINFO                                             \
+do {                                                            \
+        if (vdso_enabled)                                       \
+                NEW_AUX_ENT(AT_SYSINFO_EHDR, VDSO_BASE);        \
+} while (0)
+#endif /* CONFIG_VSYSCALL */
+
 #endif /* __ASM_SH_ELF_H */