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-rw-r--r--arch/arm/include/asm/traps.h38
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/arm/include/asm/traps.h b/arch/arm/include/asm/traps.h
new file mode 100644
index 000000000..987fefb0a
--- /dev/null
+++ b/arch/arm/include/asm/traps.h
@@ -0,0 +1,38 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASMARM_TRAP_H
+#define _ASMARM_TRAP_H
+
+#include <linux/list.h>
+
+struct pt_regs;
+struct task_struct;
+
+struct undef_hook {
+ struct list_head node;
+ u32 instr_mask;
+ u32 instr_val;
+ u32 cpsr_mask;
+ u32 cpsr_val;
+ int (*fn)(struct pt_regs *regs, unsigned int instr);
+};
+
+void register_undef_hook(struct undef_hook *hook);
+void unregister_undef_hook(struct undef_hook *hook);
+
+static inline int __in_irqentry_text(unsigned long ptr)
+{
+ extern char __irqentry_text_start[];
+ extern char __irqentry_text_end[];
+
+ return ptr >= (unsigned long)&__irqentry_text_start &&
+ ptr < (unsigned long)&__irqentry_text_end;
+}
+
+extern void __init early_trap_init(void *);
+extern void dump_backtrace_entry(unsigned long where, unsigned long from,
+ unsigned long frame, const char *loglvl);
+extern void ptrace_break(struct pt_regs *regs);
+
+extern void *vectors_page;
+
+#endif