2024-09-09 08:52:07 +00:00
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/*
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* Copyright (C) 1999 Cort Dougan <cort@cs.nmt.edu>
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*/
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#ifndef _ASM_POWERPC_DEBUG_H
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#define _ASM_POWERPC_DEBUG_H
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2024-09-09 08:57:42 +00:00
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#include <asm/hw_breakpoint.h>
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2024-09-09 08:52:07 +00:00
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struct pt_regs;
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extern struct dentry *powerpc_debugfs_root;
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#if defined(CONFIG_DEBUGGER) || defined(CONFIG_KEXEC)
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extern int (*__debugger)(struct pt_regs *regs);
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extern int (*__debugger_ipi)(struct pt_regs *regs);
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extern int (*__debugger_bpt)(struct pt_regs *regs);
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extern int (*__debugger_sstep)(struct pt_regs *regs);
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extern int (*__debugger_iabr_match)(struct pt_regs *regs);
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extern int (*__debugger_break_match)(struct pt_regs *regs);
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extern int (*__debugger_fault_handler)(struct pt_regs *regs);
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#define DEBUGGER_BOILERPLATE(__NAME) \
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static inline int __NAME(struct pt_regs *regs) \
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{ \
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if (unlikely(__ ## __NAME)) \
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return __ ## __NAME(regs); \
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return 0; \
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}
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DEBUGGER_BOILERPLATE(debugger)
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DEBUGGER_BOILERPLATE(debugger_ipi)
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DEBUGGER_BOILERPLATE(debugger_bpt)
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DEBUGGER_BOILERPLATE(debugger_sstep)
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DEBUGGER_BOILERPLATE(debugger_iabr_match)
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DEBUGGER_BOILERPLATE(debugger_break_match)
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DEBUGGER_BOILERPLATE(debugger_fault_handler)
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#else
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static inline int debugger(struct pt_regs *regs) { return 0; }
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static inline int debugger_ipi(struct pt_regs *regs) { return 0; }
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static inline int debugger_bpt(struct pt_regs *regs) { return 0; }
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static inline int debugger_sstep(struct pt_regs *regs) { return 0; }
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static inline int debugger_iabr_match(struct pt_regs *regs) { return 0; }
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static inline int debugger_break_match(struct pt_regs *regs) { return 0; }
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static inline int debugger_fault_handler(struct pt_regs *regs) { return 0; }
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#endif
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void set_breakpoint(struct arch_hw_breakpoint *brk);
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void __set_breakpoint(struct arch_hw_breakpoint *brk);
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#ifdef CONFIG_PPC_ADV_DEBUG_REGS
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extern void do_send_trap(struct pt_regs *regs, unsigned long address,
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unsigned long error_code, int signal_code, int brkpt);
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#else
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extern void do_break(struct pt_regs *regs, unsigned long address,
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unsigned long error_code);
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#endif
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#endif /* _ASM_POWERPC_DEBUG_H */
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