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
 7#include <asm/hw_breakpoint.h>
 8
 9struct pt_regs;
10
11extern struct dentry *powerpc_debugfs_root;
12
13#if defined(CONFIG_DEBUGGER) || defined(CONFIG_KEXEC)
14
15extern int (*__debugger)(struct pt_regs *regs);
16extern int (*__debugger_ipi)(struct pt_regs *regs);
17extern int (*__debugger_bpt)(struct pt_regs *regs);
18extern int (*__debugger_sstep)(struct pt_regs *regs);
19extern int (*__debugger_iabr_match)(struct pt_regs *regs);
20extern int (*__debugger_break_match)(struct pt_regs *regs);
21extern int (*__debugger_fault_handler)(struct pt_regs *regs);
22
23#define DEBUGGER_BOILERPLATE(__NAME) \
24static inline int __NAME(struct pt_regs *regs) \
25{ \
26	if (unlikely(__ ## __NAME)) \
27		return __ ## __NAME(regs); \
28	return 0; \
29}
30
31DEBUGGER_BOILERPLATE(debugger)
32DEBUGGER_BOILERPLATE(debugger_ipi)
33DEBUGGER_BOILERPLATE(debugger_bpt)
34DEBUGGER_BOILERPLATE(debugger_sstep)
35DEBUGGER_BOILERPLATE(debugger_iabr_match)
36DEBUGGER_BOILERPLATE(debugger_break_match)
37DEBUGGER_BOILERPLATE(debugger_fault_handler)
38
39#else
40static inline int debugger(struct pt_regs *regs) { return 0; }
41static inline int debugger_ipi(struct pt_regs *regs) { return 0; }
42static inline int debugger_bpt(struct pt_regs *regs) { return 0; }
43static inline int debugger_sstep(struct pt_regs *regs) { return 0; }
44static inline int debugger_iabr_match(struct pt_regs *regs) { return 0; }
45static inline int debugger_break_match(struct pt_regs *regs) { return 0; }
46static inline int debugger_fault_handler(struct pt_regs *regs) { return 0; }
47#endif
48
49void set_breakpoint(struct arch_hw_breakpoint *brk);
50void __set_breakpoint(struct arch_hw_breakpoint *brk);
51#ifdef CONFIG_PPC_ADV_DEBUG_REGS
52extern void do_send_trap(struct pt_regs *regs, unsigned long address,
53			 unsigned long error_code, int signal_code, int brkpt);
54#else
55
56extern void do_break(struct pt_regs *regs, unsigned long address,
57		     unsigned long error_code);
58#endif
59
60#endif /* _ASM_POWERPC_DEBUG_H */

 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 */