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1/* 2 * Copyright (C) 1999 Cort Dougan <cort@cs.nmt.edu> 3 */ 4#ifndef _ASM_POWERPC_DEBUG_H 5#define _ASM_POWERPC_DEBUG_H 6 7struct pt_regs; 8 9extern struct dentry *powerpc_debugfs_root; 10 11#if defined(CONFIG_DEBUGGER) || defined(CONFIG_KEXEC) 12 13extern int (*__debugger)(struct pt_regs *regs); 14extern int (*__debugger_ipi)(struct pt_regs *regs); 15extern int (*__debugger_bpt)(struct pt_regs *regs); 16extern int (*__debugger_sstep)(struct pt_regs *regs); 17extern int (*__debugger_iabr_match)(struct pt_regs *regs); 18extern int (*__debugger_dabr_match)(struct pt_regs *regs); 19extern int (*__debugger_fault_handler)(struct pt_regs *regs); 20 21#define DEBUGGER_BOILERPLATE(__NAME) \ 22static inline int __NAME(struct pt_regs *regs) \ 23{ \ 24 if (unlikely(__ ## __NAME)) \ 25 return __ ## __NAME(regs); \ 26 return 0; \ 27} 28 29DEBUGGER_BOILERPLATE(debugger) 30DEBUGGER_BOILERPLATE(debugger_ipi) 31DEBUGGER_BOILERPLATE(debugger_bpt) 32DEBUGGER_BOILERPLATE(debugger_sstep) 33DEBUGGER_BOILERPLATE(debugger_iabr_match) 34DEBUGGER_BOILERPLATE(debugger_dabr_match) 35DEBUGGER_BOILERPLATE(debugger_fault_handler) 36 37#else 38static inline int debugger(struct pt_regs *regs) { return 0; } 39static inline int debugger_ipi(struct pt_regs *regs) { return 0; } 40static inline int debugger_bpt(struct pt_regs *regs) { return 0; } 41static inline int debugger_sstep(struct pt_regs *regs) { return 0; } 42static inline int debugger_iabr_match(struct pt_regs *regs) { return 0; } 43static inline int debugger_dabr_match(struct pt_regs *regs) { return 0; } 44static inline int debugger_fault_handler(struct pt_regs *regs) { return 0; } 45#endif 46 47extern int set_dabr(unsigned long dabr); 48#ifdef CONFIG_PPC_ADV_DEBUG_REGS 49extern void do_send_trap(struct pt_regs *regs, unsigned long address, 50 unsigned long error_code, int signal_code, int brkpt); 51#else 52extern void do_dabr(struct pt_regs *regs, unsigned long address, 53 unsigned long error_code); 54#endif 55 56#endif /* _ASM_POWERPC_DEBUG_H */