| 1 |
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| 2 | |
| 3 | * Copyright (C) 1999 Cort Dougan <[email protected]>
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| 4 |
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| 5 | #ifndef _ASM_POWERPC_DEBUG_H
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| 6 | #define _ASM_POWERPC_DEBUG_H
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| 7 |
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| 8 | #include <asm/hw_breakpoint.h>
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| 9 |
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| 10 | struct pt_regs;
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| 11 |
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| 12 | #if defined(CONFIG_DEBUGGER) || defined(CONFIG_KEXEC_CORE)
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| 13 |
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| 14 | extern int (*__debugger)(struct pt_regs *regs);
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| 15 | extern int (*__debugger_ipi)(struct pt_regs *regs);
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| 16 | extern int (*__debugger_bpt)(struct pt_regs *regs);
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| 17 | extern int (*__debugger_sstep)(struct pt_regs *regs);
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| 18 | extern int (*__debugger_iabr_match)(struct pt_regs *regs);
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| 19 | extern int (*__debugger_break_match)(struct pt_regs *regs);
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| 20 | extern int (*__debugger_fault_handler)(struct pt_regs *regs);
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| 21 |
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| 22 | #define DEBUGGER_BOILERPLATE(__NAME) \
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| 23 | static inline int __NAME(struct pt_regs *regs) \
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| 24 | { \
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| 25 | if (unlikely(__ ## __NAME)) \
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| 26 | return __ ## __NAME(regs); \
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| 27 | return 0; \
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| 28 | }
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| 29 |
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| 30 | DEBUGGER_BOILERPLATE(debugger)
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| 31 | DEBUGGER_BOILERPLATE(debugger_ipi)
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| 32 | DEBUGGER_BOILERPLATE(debugger_bpt)
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| 33 | DEBUGGER_BOILERPLATE(debugger_sstep)
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| 34 | DEBUGGER_BOILERPLATE(debugger_iabr_match)
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| 35 | DEBUGGER_BOILERPLATE(debugger_break_match)
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| 36 | DEBUGGER_BOILERPLATE(debugger_fault_handler)
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| 37 |
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| 38 | #else
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| 39 | static inline int debugger(struct pt_regs *regs) { return 0; }
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| 40 | static inline int debugger_ipi(struct pt_regs *regs) { return 0; }
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| 41 | static inline int debugger_bpt(struct pt_regs *regs) { return 0; }
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| 42 | static inline int debugger_sstep(struct pt_regs *regs) { return 0; }
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| 43 | static inline int debugger_iabr_match(struct pt_regs *regs) { return 0; }
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| 44 | static inline int debugger_break_match(struct pt_regs *regs) { return 0; }
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| 45 | static inline int debugger_fault_handler(struct pt_regs *regs) { return 0; }
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| 46 | #endif
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| 47 |
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| 48 | void __set_breakpoint(int nr, struct arch_hw_breakpoint *brk);
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| 49 | void suspend_breakpoints(void);
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| 50 | void restore_breakpoints(void);
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| 51 | bool ppc_breakpoint_available(void);
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| 52 | #ifdef CONFIG_PPC_ADV_DEBUG_REGS
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| 53 | extern void do_send_trap(struct pt_regs *regs, unsigned long address,
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| 54 | unsigned long error_code, int brkpt);
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| 55 | #endif
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| 56 |
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| 57 | #endif
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