|  | /* | 
|  | * Copyright (C) 1999 Cort Dougan <[email protected]> | 
|  | */ | 
|  | #ifndef _ASM_POWERPC_DEBUG_H | 
|  | #define _ASM_POWERPC_DEBUG_H | 
|  |  | 
|  | #include <asm/hw_breakpoint.h> | 
|  |  | 
|  | struct pt_regs; | 
|  |  | 
|  | #if defined(CONFIG_DEBUGGER) || defined(CONFIG_KEXEC_CORE) | 
|  |  | 
|  | extern int (*__debugger)(struct pt_regs *regs); | 
|  | extern int (*__debugger_ipi)(struct pt_regs *regs); | 
|  | extern int (*__debugger_bpt)(struct pt_regs *regs); | 
|  | extern int (*__debugger_sstep)(struct pt_regs *regs); | 
|  | extern int (*__debugger_iabr_match)(struct pt_regs *regs); | 
|  | extern int (*__debugger_break_match)(struct pt_regs *regs); | 
|  | extern int (*__debugger_fault_handler)(struct pt_regs *regs); | 
|  |  | 
|  | #define DEBUGGER_BOILERPLATE(__NAME) \ | 
|  | static inline int __NAME(struct pt_regs *regs) \ | 
|  | { \ | 
|  | if (unlikely(__ ## __NAME)) \ | 
|  | return __ ## __NAME(regs); \ | 
|  | return 0; \ | 
|  | } | 
|  |  | 
|  | DEBUGGER_BOILERPLATE(debugger) | 
|  | DEBUGGER_BOILERPLATE(debugger_ipi) | 
|  | DEBUGGER_BOILERPLATE(debugger_bpt) | 
|  | DEBUGGER_BOILERPLATE(debugger_sstep) | 
|  | DEBUGGER_BOILERPLATE(debugger_iabr_match) | 
|  | DEBUGGER_BOILERPLATE(debugger_break_match) | 
|  | DEBUGGER_BOILERPLATE(debugger_fault_handler) | 
|  |  | 
|  | #else | 
|  | static inline int debugger(struct pt_regs *regs) { return 0; } | 
|  | static inline int debugger_ipi(struct pt_regs *regs) { return 0; } | 
|  | static inline int debugger_bpt(struct pt_regs *regs) { return 0; } | 
|  | static inline int debugger_sstep(struct pt_regs *regs) { return 0; } | 
|  | static inline int debugger_iabr_match(struct pt_regs *regs) { return 0; } | 
|  | static inline int debugger_break_match(struct pt_regs *regs) { return 0; } | 
|  | static inline int debugger_fault_handler(struct pt_regs *regs) { return 0; } | 
|  | #endif | 
|  |  | 
|  | void set_breakpoint(struct arch_hw_breakpoint *brk); | 
|  | void __set_breakpoint(struct arch_hw_breakpoint *brk); | 
|  | #ifdef CONFIG_PPC_ADV_DEBUG_REGS | 
|  | extern void do_send_trap(struct pt_regs *regs, unsigned long address, | 
|  | unsigned long error_code, int signal_code, int brkpt); | 
|  | #else | 
|  |  | 
|  | extern void do_break(struct pt_regs *regs, unsigned long address, | 
|  | unsigned long error_code); | 
|  | #endif | 
|  |  | 
|  | #endif /* _ASM_POWERPC_DEBUG_H */ |