Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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kernel
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linux
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
11#if defined(CONFIG_DEBUGGER) || defined(CONFIG_KEXEC_CORE)
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_break_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_break_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_break_match(struct pt_regs *regs) { return 0; }
44static inline int debugger_fault_handler(struct pt_regs *regs) { return 0; }
45#endif
46
47void set_breakpoint(struct arch_hw_breakpoint *brk);
48void __set_breakpoint(struct arch_hw_breakpoint *brk);
49#ifdef CONFIG_PPC_ADV_DEBUG_REGS
50extern void do_send_trap(struct pt_regs *regs, unsigned long address,
51 unsigned long error_code, int signal_code, int brkpt);
52#else
53
54extern void do_break(struct pt_regs *regs, unsigned long address,
55 unsigned long error_code);
56#endif
57
58#endif /* _ASM_POWERPC_DEBUG_H */