Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / s390 / include / asm / uprobes.h

diff --git a/kernel/arch/s390/include/asm/uprobes.h b/kernel/arch/s390/include/asm/uprobes.h
new file mode 100644 (file)
index 0000000..1411dff
--- /dev/null
+++ b/kernel/arch/s390/include/asm/uprobes.h
@@ -0,0 +1,42 @@
+/*
+ *    User-space Probes (UProbes) for s390
+ *
+ *    Copyright IBM Corp. 2014
+ *    Author(s): Jan Willeke,
+ */
+
+#ifndef _ASM_UPROBES_H
+#define _ASM_UPROBES_H
+
+#include <linux/notifier.h>
+
+typedef u16 uprobe_opcode_t;
+
+#define UPROBE_XOL_SLOT_BYTES  256 /* cache aligned */
+
+#define UPROBE_SWBP_INSN       0x0002
+#define UPROBE_SWBP_INSN_SIZE  2
+
+struct arch_uprobe {
+       union{
+               uprobe_opcode_t insn[3];
+               uprobe_opcode_t ixol[3];
+       };
+       unsigned int saved_per : 1;
+       unsigned int saved_int_code;
+};
+
+struct arch_uprobe_task {
+};
+
+int arch_uprobe_analyze_insn(struct arch_uprobe *aup, struct mm_struct *mm,
+                            unsigned long addr);
+int arch_uprobe_pre_xol(struct arch_uprobe *aup, struct pt_regs *regs);
+int arch_uprobe_post_xol(struct arch_uprobe *aup, struct pt_regs *regs);
+bool arch_uprobe_xol_was_trapped(struct task_struct *tsk);
+int arch_uprobe_exception_notify(struct notifier_block *self, unsigned long val,
+                                void *data);
+void arch_uprobe_abort_xol(struct arch_uprobe *ap, struct pt_regs *regs);
+unsigned long arch_uretprobe_hijack_return_addr(unsigned long trampoline,
+                                               struct pt_regs *regs);
+#endif /* _ASM_UPROBES_H */