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-rw-r--r--arch/s390/include/asm/ptrace.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/s390/include/asm/ptrace.h b/arch/s390/include/asm/ptrace.h
index f4783c0b7b43..1b5300cd6d22 100644
--- a/arch/s390/include/asm/ptrace.h
+++ b/arch/s390/include/asm/ptrace.h
@@ -8,6 +8,12 @@
#include <uapi/asm/ptrace.h>
+#define PIF_SYSCALL 0 /* inside a system call */
+#define PIF_PER_TRAP 1 /* deliver sigtrap on return to user */
+
+#define _PIF_SYSCALL (1<<PIF_SYSCALL)
+#define _PIF_PER_TRAP (1<<PIF_PER_TRAP)
+
#ifndef __ASSEMBLY__
#define PSW_KERNEL_BITS (PSW_DEFAULT_KEY | PSW_MASK_BASE | PSW_ASC_HOME | \
@@ -29,6 +35,7 @@ struct pt_regs
unsigned int int_code;
unsigned int int_parm;
unsigned long int_parm_long;
+ unsigned long flags;
};
/*
@@ -79,6 +86,21 @@ struct per_struct_kernel {
#define PER_CONTROL_SUSPENSION 0x00400000UL
#define PER_CONTROL_ALTERATION 0x00200000UL
+static inline void set_pt_regs_flag(struct pt_regs *regs, int flag)
+{
+ regs->flags |= (1U << flag);
+}
+
+static inline void clear_pt_regs_flag(struct pt_regs *regs, int flag)
+{
+ regs->flags &= ~(1U << flag);
+}
+
+static inline int test_pt_regs_flag(struct pt_regs *regs, int flag)
+{
+ return !!(regs->flags & (1U << flag));
+}
+
/*
* These are defined as per linux/ptrace.h, which see.
*/