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53197fc4 JW |
1 | /* |
2 | * Created by: Jason Wessel <jason.wessel@windriver.com> | |
3 | * | |
4 | * Copyright (c) 2009 Wind River Systems, Inc. All Rights Reserved. | |
5 | * | |
6 | * This file is licensed under the terms of the GNU General Public | |
7 | * License version 2. This program is licensed "as is" without any | |
8 | * warranty of any kind, whether express or implied. | |
9 | */ | |
10 | ||
11 | #ifndef _DEBUG_CORE_H_ | |
12 | #define _DEBUG_CORE_H_ | |
13 | /* | |
14 | * These are the private implementation headers between the kernel | |
15 | * debugger core and the debugger front end code. | |
16 | */ | |
17 | ||
18 | /* kernel debug core data structures */ | |
19 | struct kgdb_state { | |
20 | int ex_vector; | |
21 | int signo; | |
22 | int err_code; | |
23 | int cpu; | |
24 | int pass_exception; | |
25 | unsigned long thr_query; | |
26 | unsigned long threadid; | |
27 | long kgdb_usethreadid; | |
28 | struct pt_regs *linux_regs; | |
29 | }; | |
30 | ||
31 | /* Exception state values */ | |
32 | #define DCPU_WANT_MASTER 0x1 /* Waiting to become a master kgdb cpu */ | |
33 | #define DCPU_NEXT_MASTER 0x2 /* Transition from one master cpu to another */ | |
34 | #define DCPU_IS_SLAVE 0x4 /* Slave cpu enter exception */ | |
35 | #define DCPU_SSTEP 0x8 /* CPU is single stepping */ | |
36 | ||
37 | struct debuggerinfo_struct { | |
38 | void *debuggerinfo; | |
39 | struct task_struct *task; | |
40 | int exception_state; | |
41 | }; | |
42 | ||
43 | extern struct debuggerinfo_struct kgdb_info[]; | |
44 | ||
45 | /* kernel debug core break point routines */ | |
46 | extern int dbg_remove_all_break(void); | |
47 | extern int dbg_set_sw_break(unsigned long addr); | |
48 | extern int dbg_remove_sw_break(unsigned long addr); | |
49 | extern int dbg_activate_sw_breakpoints(void); | |
50 | ||
51 | /* gdbstub interface functions */ | |
52 | extern int gdb_serial_stub(struct kgdb_state *ks); | |
53 | extern void gdbstub_msg_write(const char *s, int len); | |
54 | ||
55 | #endif /* _DEBUG_CORE_H_ */ |