[S390] single-step cleanup
Signed-off-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/include/asm-s390/ptrace.h b/include/asm-s390/ptrace.h
index 332ee73..61f6952 100644
--- a/include/asm-s390/ptrace.h
+++ b/include/asm-s390/ptrace.h
@@ -465,6 +465,14 @@
#ifdef __KERNEL__
#define __ARCH_SYS_PTRACE 1
+/*
+ * These are defined as per linux/ptrace.h, which see.
+ */
+#define arch_has_single_step() (1)
+struct task_struct;
+extern void user_enable_single_step(struct task_struct *);
+extern void user_disable_single_step(struct task_struct *);
+
#define user_mode(regs) (((regs)->psw.mask & PSW_MASK_PSTATE) != 0)
#define instruction_pointer(regs) ((regs)->psw.addr & PSW_ADDR_INSN)
#define regs_return_value(regs)((regs)->gprs[2])