diff options
Diffstat (limited to 'arch/arm/include/asm/traps.h')
| -rw-r--r-- | arch/arm/include/asm/traps.h | 38 |
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 |