xref: /haiku/headers/private/kernel/arch/user_debugger.h (revision 7749d0bb0c358a3279b1b9cc76d8376e900130a5)
1 /*
2  * Copyright 2005-2011, Ingo Weinhold, ingo_weinhold@gmx.de.
3  * Distributed under the terms of the MIT License.
4  */
5 #ifndef KERNEL_ARCH_USER_DEBUGGER_H
6 #define KERNEL_ARCH_USER_DEBUGGER_H
7 
8 
9 #include "kernel_debug_config.h"
10 
11 #ifndef _ASSEMBLER
12 
13 #include <debugger.h>
14 
15 #ifdef __cplusplus
16 extern "C" {
17 #endif
18 
19 struct arch_team_debug_info;
20 struct arch_thread_debug_info;
21 
22 
23 void arch_clear_team_debug_info(struct arch_team_debug_info *info);
24 void arch_destroy_team_debug_info(struct arch_team_debug_info *info);
25 void arch_clear_thread_debug_info(struct arch_thread_debug_info *info);
26 void arch_destroy_thread_debug_info(struct arch_thread_debug_info *info);
27 
28 void arch_update_thread_single_step();
29 
30 void arch_set_debug_cpu_state(const debug_cpu_state *cpuState);
31 void arch_get_debug_cpu_state(debug_cpu_state *cpuState);
32 
33 status_t arch_set_breakpoint(void *address);
34 status_t arch_clear_breakpoint(void *address);
35 status_t arch_set_watchpoint(void *address, uint32 type, int32 length);
36 status_t arch_clear_watchpoint(void *address);
37 bool arch_has_breakpoints(struct arch_team_debug_info *info);
38 
39 #if KERNEL_BREAKPOINTS
40 status_t arch_set_kernel_breakpoint(void *address);
41 status_t arch_clear_kernel_breakpoint(void *address);
42 status_t arch_set_kernel_watchpoint(void *address, uint32 type, int32 length);
43 status_t arch_clear_kernel_watchpoint(void *address);
44 #endif
45 
46 #ifdef __cplusplus
47 }
48 #endif
49 
50 #include <arch_user_debugger.h>
51 
52 // Defaults for macros defined by the architecture specific header:
53 
54 // maximum number of instruction breakpoints
55 #ifndef DEBUG_MAX_BREAKPOINTS
56 #	define DEBUG_MAX_BREAKPOINTS 0
57 #endif
58 
59 // maximum number of data watchpoints
60 #ifndef DEBUG_MAX_WATCHPOINTS
61 #	define DEBUG_MAX_WATCHPOINTS 0
62 #endif
63 
64 // the software breakpoint instruction
65 #if !defined(DEBUG_SOFTWARE_BREAKPOINT)	\
66 	|| !defined(DEBUG_SOFTWARE_BREAKPOINT_SIZE)
67 #	undef DEBUG_SOFTWARE_BREAKPOINT
68 #	undef DEBUG_SOFTWARE_BREAKPOINT_SIZE
69 #	define DEBUG_SOFTWARE_BREAKPOINT		NULL
70 #	define DEBUG_SOFTWARE_BREAKPOINT_SIZE	0
71 #endif
72 
73 // Boolean whether break- and watchpoints use the same registers. If != 0, then
74 // DEBUG_MAX_BREAKPOINTS == DEBUG_MAX_WATCHPOINTS and either specifies the
75 // total count of break- plus watchpoints.
76 #ifndef DEBUG_SHARED_BREAK_AND_WATCHPOINTS
77 #	define DEBUG_SHARED_BREAK_AND_WATCHPOINTS 0
78 #endif
79 
80 #endif	// _ASSEMBLER
81 
82 #endif	// KERNEL_ARCH_USER_DEBUGGER_H
83