| David Howells | ae3a197 | 2012-03-28 18:30:02 +0100 | [diff] [blame] | 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 | |
| Michael Neuling | 9422de3 | 2012-12-20 14:06:44 +0000 | [diff] [blame] | 7 | #include <asm/hw_breakpoint.h> |
| 8 | |
| David Howells | ae3a197 | 2012-03-28 18:30:02 +0100 | [diff] [blame] | 9 | struct pt_regs; |
| 10 | |
| Thiago Jung Bauermann | da66588 | 2016-11-29 23:45:50 +1100 | [diff] [blame] | 11 | #if defined(CONFIG_DEBUGGER) || defined(CONFIG_KEXEC_CORE) |
| David Howells | ae3a197 | 2012-03-28 18:30:02 +0100 | [diff] [blame] | 12 | |
| 13 | extern int (*__debugger)(struct pt_regs *regs); |
| 14 | extern int (*__debugger_ipi)(struct pt_regs *regs); |
| 15 | extern int (*__debugger_bpt)(struct pt_regs *regs); |
| 16 | extern int (*__debugger_sstep)(struct pt_regs *regs); |
| 17 | extern int (*__debugger_iabr_match)(struct pt_regs *regs); |
| Michael Neuling | 9422de3 | 2012-12-20 14:06:44 +0000 | [diff] [blame] | 18 | extern int (*__debugger_break_match)(struct pt_regs *regs); |
| David Howells | ae3a197 | 2012-03-28 18:30:02 +0100 | [diff] [blame] | 19 | extern int (*__debugger_fault_handler)(struct pt_regs *regs); |
| 20 | |
| 21 | #define DEBUGGER_BOILERPLATE(__NAME) \ |
| 22 | static inline int __NAME(struct pt_regs *regs) \ |
| 23 | { \ |
| 24 | if (unlikely(__ ## __NAME)) \ |
| 25 | return __ ## __NAME(regs); \ |
| 26 | return 0; \ |
| 27 | } |
| 28 | |
| 29 | DEBUGGER_BOILERPLATE(debugger) |
| 30 | DEBUGGER_BOILERPLATE(debugger_ipi) |
| 31 | DEBUGGER_BOILERPLATE(debugger_bpt) |
| 32 | DEBUGGER_BOILERPLATE(debugger_sstep) |
| 33 | DEBUGGER_BOILERPLATE(debugger_iabr_match) |
| Michael Neuling | 9422de3 | 2012-12-20 14:06:44 +0000 | [diff] [blame] | 34 | DEBUGGER_BOILERPLATE(debugger_break_match) |
| David Howells | ae3a197 | 2012-03-28 18:30:02 +0100 | [diff] [blame] | 35 | DEBUGGER_BOILERPLATE(debugger_fault_handler) |
| 36 | |
| 37 | #else |
| 38 | static inline int debugger(struct pt_regs *regs) { return 0; } |
| 39 | static inline int debugger_ipi(struct pt_regs *regs) { return 0; } |
| 40 | static inline int debugger_bpt(struct pt_regs *regs) { return 0; } |
| 41 | static inline int debugger_sstep(struct pt_regs *regs) { return 0; } |
| 42 | static inline int debugger_iabr_match(struct pt_regs *regs) { return 0; } |
| Michael Neuling | 9422de3 | 2012-12-20 14:06:44 +0000 | [diff] [blame] | 43 | static inline int debugger_break_match(struct pt_regs *regs) { return 0; } |
| David Howells | ae3a197 | 2012-03-28 18:30:02 +0100 | [diff] [blame] | 44 | static inline int debugger_fault_handler(struct pt_regs *regs) { return 0; } |
| 45 | #endif |
| 46 | |
| Paul Gortmaker | 04c32a5 | 2014-04-29 15:25:16 -0400 | [diff] [blame] | 47 | void set_breakpoint(struct arch_hw_breakpoint *brk); |
| Paul Gortmaker | 21f5850 | 2014-04-29 15:25:17 -0400 | [diff] [blame] | 48 | void __set_breakpoint(struct arch_hw_breakpoint *brk); |
| David Howells | ae3a197 | 2012-03-28 18:30:02 +0100 | [diff] [blame] | 49 | #ifdef CONFIG_PPC_ADV_DEBUG_REGS |
| 50 | extern void do_send_trap(struct pt_regs *regs, unsigned long address, |
| 51 | unsigned long error_code, int signal_code, int brkpt); |
| 52 | #else |
| Michael Neuling | 9422de3 | 2012-12-20 14:06:44 +0000 | [diff] [blame] | 53 | |
| 54 | extern void do_break(struct pt_regs *regs, unsigned long address, |
| 55 | unsigned long error_code); |
| David Howells | ae3a197 | 2012-03-28 18:30:02 +0100 | [diff] [blame] | 56 | #endif |
| 57 | |
| 58 | #endif /* _ASM_POWERPC_DEBUG_H */ |