1 /* 1 /*
2 * This provides the callbacks and functions t 2 * This provides the callbacks and functions that KGDB needs to share between
3 * the core, I/O and arch-specific portions. 3 * the core, I/O and arch-specific portions.
4 * 4 *
5 * Author: Amit Kale <amitkale@linsyssoft.com> 5 * Author: Amit Kale <amitkale@linsyssoft.com> and
6 * Tom Rini <trini@kernel.crashing.org 6 * Tom Rini <trini@kernel.crashing.org>
7 * 7 *
8 * 2001-2004 (c) Amit S. Kale and 2003-2005 (c 8 * 2001-2004 (c) Amit S. Kale and 2003-2005 (c) MontaVista Software, Inc.
9 * This file is licensed under the terms of th 9 * This file is licensed under the terms of the GNU General Public License
10 * version 2. This program is licensed "as is" 10 * version 2. This program is licensed "as is" without any warranty of any
11 * kind, whether express or implied. 11 * kind, whether express or implied.
12 */ 12 */
13 #ifndef _KGDB_H_ 13 #ifndef _KGDB_H_
14 #define _KGDB_H_ 14 #define _KGDB_H_
15 15
16 #include <linux/linkage.h> 16 #include <linux/linkage.h>
17 #include <linux/init.h> 17 #include <linux/init.h>
18 #include <linux/atomic.h> 18 #include <linux/atomic.h>
19 #include <linux/kprobes.h> <<
20 #ifdef CONFIG_HAVE_ARCH_KGDB 19 #ifdef CONFIG_HAVE_ARCH_KGDB
21 #include <asm/kgdb.h> 20 #include <asm/kgdb.h>
22 #endif 21 #endif
23 22
24 #ifdef CONFIG_KGDB 23 #ifdef CONFIG_KGDB
25 struct pt_regs; 24 struct pt_regs;
26 25
27 /** 26 /**
28 * kgdb_skipexception - (optional) exit k 27 * kgdb_skipexception - (optional) exit kgdb_handle_exception early
29 * @exception: Exception vector number 28 * @exception: Exception vector number
30 * @regs: Current &struct pt_regs. 29 * @regs: Current &struct pt_regs.
31 * 30 *
32 * On some architectures it is required t 31 * On some architectures it is required to skip a breakpoint
33 * exception when it occurs after a break 32 * exception when it occurs after a breakpoint has been removed.
34 * This can be implemented in the archite 33 * This can be implemented in the architecture specific portion of kgdb.
35 */ 34 */
36 extern int kgdb_skipexception(int exception, s 35 extern int kgdb_skipexception(int exception, struct pt_regs *regs);
37 36
38 struct tasklet_struct; 37 struct tasklet_struct;
39 struct task_struct; 38 struct task_struct;
40 struct uart_port; 39 struct uart_port;
41 40
42 /** 41 /**
43 * kgdb_breakpoint - compiled in breakpoi 42 * kgdb_breakpoint - compiled in breakpoint
44 * 43 *
45 * This will be implemented as a static i 44 * This will be implemented as a static inline per architecture. This
46 * function is called by the kgdb core to 45 * function is called by the kgdb core to execute an architecture
47 * specific trap to cause kgdb to enter t 46 * specific trap to cause kgdb to enter the exception processing.
48 * 47 *
49 */ 48 */
50 void kgdb_breakpoint(void); 49 void kgdb_breakpoint(void);
51 50
52 extern int kgdb_connected; 51 extern int kgdb_connected;
53 extern int kgdb_io_module_registered; 52 extern int kgdb_io_module_registered;
54 53
55 extern atomic_t kgdb_setting_b 54 extern atomic_t kgdb_setting_breakpoint;
56 extern atomic_t kgdb_cpu_doing 55 extern atomic_t kgdb_cpu_doing_single_step;
57 56
58 extern struct task_struct *kgdb_usethrea 57 extern struct task_struct *kgdb_usethread;
59 extern struct task_struct *kgdb_contthre 58 extern struct task_struct *kgdb_contthread;
60 59
61 enum kgdb_bptype { 60 enum kgdb_bptype {
62 BP_BREAKPOINT = 0, 61 BP_BREAKPOINT = 0,
63 BP_HARDWARE_BREAKPOINT, 62 BP_HARDWARE_BREAKPOINT,
64 BP_WRITE_WATCHPOINT, 63 BP_WRITE_WATCHPOINT,
65 BP_READ_WATCHPOINT, 64 BP_READ_WATCHPOINT,
66 BP_ACCESS_WATCHPOINT, 65 BP_ACCESS_WATCHPOINT,
67 BP_POKE_BREAKPOINT, 66 BP_POKE_BREAKPOINT,
68 }; 67 };
69 68
70 enum kgdb_bpstate { 69 enum kgdb_bpstate {
71 BP_UNDEFINED = 0, 70 BP_UNDEFINED = 0,
72 BP_REMOVED, 71 BP_REMOVED,
73 BP_SET, 72 BP_SET,
74 BP_ACTIVE 73 BP_ACTIVE
75 }; 74 };
76 75
77 struct kgdb_bkpt { 76 struct kgdb_bkpt {
78 unsigned long bpt_addr; 77 unsigned long bpt_addr;
79 unsigned char saved_instr[BR 78 unsigned char saved_instr[BREAK_INSTR_SIZE];
80 enum kgdb_bptype type; 79 enum kgdb_bptype type;
81 enum kgdb_bpstate state; 80 enum kgdb_bpstate state;
82 }; 81 };
83 82
84 struct dbg_reg_def_t { 83 struct dbg_reg_def_t {
85 char *name; 84 char *name;
86 int size; 85 int size;
87 int offset; 86 int offset;
88 }; 87 };
89 88
90 #ifndef DBG_MAX_REG_NUM 89 #ifndef DBG_MAX_REG_NUM
91 #define DBG_MAX_REG_NUM 0 90 #define DBG_MAX_REG_NUM 0
92 #else 91 #else
93 extern struct dbg_reg_def_t dbg_reg_def[]; 92 extern struct dbg_reg_def_t dbg_reg_def[];
94 extern char *dbg_get_reg(int regno, void *mem, 93 extern char *dbg_get_reg(int regno, void *mem, struct pt_regs *regs);
95 extern int dbg_set_reg(int regno, void *mem, s 94 extern int dbg_set_reg(int regno, void *mem, struct pt_regs *regs);
96 #endif 95 #endif
97 #ifndef KGDB_MAX_BREAKPOINTS 96 #ifndef KGDB_MAX_BREAKPOINTS
98 # define KGDB_MAX_BREAKPOINTS 1000 97 # define KGDB_MAX_BREAKPOINTS 1000
99 #endif 98 #endif
100 99
101 #define KGDB_HW_BREAKPOINT 1 100 #define KGDB_HW_BREAKPOINT 1
102 101
103 /* 102 /*
104 * Functions each KGDB-supporting architecture 103 * Functions each KGDB-supporting architecture must provide:
105 */ 104 */
106 105
107 /** 106 /**
108 * kgdb_arch_init - Perform any architect !! 107 * kgdb_arch_init - Perform any architecture specific initalization.
109 * 108 *
110 * This function will handle the initiali !! 109 * This function will handle the initalization of any architecture
111 * specific callbacks. 110 * specific callbacks.
112 */ 111 */
113 extern int kgdb_arch_init(void); 112 extern int kgdb_arch_init(void);
114 113
115 /** 114 /**
116 * kgdb_arch_exit - Perform any architect 115 * kgdb_arch_exit - Perform any architecture specific uninitalization.
117 * 116 *
118 * This function will handle the uninital 117 * This function will handle the uninitalization of any architecture
119 * specific callbacks, for dynamic regist 118 * specific callbacks, for dynamic registration and unregistration.
120 */ 119 */
121 extern void kgdb_arch_exit(void); 120 extern void kgdb_arch_exit(void);
122 121
123 /** 122 /**
124 * pt_regs_to_gdb_regs - Convert ptrace r 123 * pt_regs_to_gdb_regs - Convert ptrace regs to GDB regs
125 * @gdb_regs: A pointer to hold the regis 124 * @gdb_regs: A pointer to hold the registers in the order GDB wants.
126 * @regs: The &struct pt_regs of the curr 125 * @regs: The &struct pt_regs of the current process.
127 * 126 *
128 * Convert the pt_regs in @regs into the 127 * Convert the pt_regs in @regs into the format for registers that
129 * GDB expects, stored in @gdb_regs. 128 * GDB expects, stored in @gdb_regs.
130 */ 129 */
131 extern void pt_regs_to_gdb_regs(unsigned long 130 extern void pt_regs_to_gdb_regs(unsigned long *gdb_regs, struct pt_regs *regs);
132 131
133 /** 132 /**
134 * sleeping_thread_to_gdb_regs - Convert 133 * sleeping_thread_to_gdb_regs - Convert ptrace regs to GDB regs
135 * @gdb_regs: A pointer to hold the regis 134 * @gdb_regs: A pointer to hold the registers in the order GDB wants.
136 * @p: The &struct task_struct of the des 135 * @p: The &struct task_struct of the desired process.
137 * 136 *
138 * Convert the register values of the sle 137 * Convert the register values of the sleeping process in @p to
139 * the format that GDB expects. 138 * the format that GDB expects.
140 * This function is called when kgdb does 139 * This function is called when kgdb does not have access to the
141 * &struct pt_regs and therefore it shoul 140 * &struct pt_regs and therefore it should fill the gdb registers
142 * @gdb_regs with what has been saved in 141 * @gdb_regs with what has been saved in &struct thread_struct
143 * thread field during switch_to. 142 * thread field during switch_to.
144 */ 143 */
145 extern void 144 extern void
146 sleeping_thread_to_gdb_regs(unsigned long *gdb 145 sleeping_thread_to_gdb_regs(unsigned long *gdb_regs, struct task_struct *p);
147 146
148 /** 147 /**
149 * gdb_regs_to_pt_regs - Convert GDB regs 148 * gdb_regs_to_pt_regs - Convert GDB regs to ptrace regs.
150 * @gdb_regs: A pointer to hold the regis 149 * @gdb_regs: A pointer to hold the registers we've received from GDB.
151 * @regs: A pointer to a &struct pt_regs 150 * @regs: A pointer to a &struct pt_regs to hold these values in.
152 * 151 *
153 * Convert the GDB regs in @gdb_regs into 152 * Convert the GDB regs in @gdb_regs into the pt_regs, and store them
154 * in @regs. 153 * in @regs.
155 */ 154 */
156 extern void gdb_regs_to_pt_regs(unsigned long 155 extern void gdb_regs_to_pt_regs(unsigned long *gdb_regs, struct pt_regs *regs);
157 156
158 /** 157 /**
159 * kgdb_arch_handle_exception - Handle ar 158 * kgdb_arch_handle_exception - Handle architecture specific GDB packets.
160 * @vector: The error vector of the excep 159 * @vector: The error vector of the exception that happened.
161 * @signo: The signal number of the excep 160 * @signo: The signal number of the exception that happened.
162 * @err_code: The error code of the excep 161 * @err_code: The error code of the exception that happened.
163 * @remcom_in_buffer: The buffer of the p 162 * @remcom_in_buffer: The buffer of the packet we have read.
164 * @remcom_out_buffer: The buffer of %BUF 163 * @remcom_out_buffer: The buffer of %BUFMAX bytes to write a packet into.
165 * @regs: The &struct pt_regs of the curr 164 * @regs: The &struct pt_regs of the current process.
166 * 165 *
167 * This function MUST handle the 'c' and 166 * This function MUST handle the 'c' and 's' command packets,
168 * as well packets to set / remove a hard 167 * as well packets to set / remove a hardware breakpoint, if used.
169 * If there are additional packets which 168 * If there are additional packets which the hardware needs to handle,
170 * they are handled here. The code shoul 169 * they are handled here. The code should return -1 if it wants to
171 * process more packets, and a %0 or %1 i 170 * process more packets, and a %0 or %1 if it wants to exit from the
172 * kgdb callback. 171 * kgdb callback.
173 */ 172 */
174 extern int 173 extern int
175 kgdb_arch_handle_exception(int vector, int sig 174 kgdb_arch_handle_exception(int vector, int signo, int err_code,
176 char *remcom_in_buf 175 char *remcom_in_buffer,
177 char *remcom_out_bu 176 char *remcom_out_buffer,
178 struct pt_regs *reg 177 struct pt_regs *regs);
179 178
180 /** 179 /**
181 * kgdb_arch_handle_qxfer_pkt - Handle ar <<
182 * packets. <<
183 * @remcom_in_buffer: The buffer of the p <<
184 * @remcom_out_buffer: The buffer of %BUF <<
185 */ <<
186 <<
187 extern void <<
188 kgdb_arch_handle_qxfer_pkt(char *remcom_in_buf <<
189 char *remcom_out_bu <<
190 <<
191 /** <<
192 * kgdb_call_nmi_hook - Call kgdb_nmicall <<
193 * @ignored: This parameter is only here <<
194 * <<
195 * If you're using the default implementa <<
196 * this function will be called per CPU. <<
197 * kgdb_call_nmi_hook() a default will be <<
198 */ <<
199 <<
200 extern void kgdb_call_nmi_hook(void *ignored); <<
201 <<
202 /** <<
203 * kgdb_roundup_cpus - Get other CPUs int 180 * kgdb_roundup_cpus - Get other CPUs into a holding pattern
>> 181 * @flags: Current IRQ state
204 * 182 *
205 * On SMP systems, we need to get the att 183 * On SMP systems, we need to get the attention of the other CPUs
206 * and get them into a known state. This 184 * and get them into a known state. This should do what is needed
207 * to get the other CPUs to call kgdb_wai 185 * to get the other CPUs to call kgdb_wait(). Note that on some arches,
208 * the NMI approach is not used for round !! 186 * the NMI approach is not used for rounding up all the CPUs. For example,
209 * those architectures can just not imple !! 187 * in case of MIPS, smp_call_function() is used to roundup CPUs. In
>> 188 * this case, we have to make sure that interrupts are enabled before
>> 189 * calling smp_call_function(). The argument to this function is
>> 190 * the flags that will be used when restoring the interrupts. There is
>> 191 * local_irq_save() call before kgdb_roundup_cpus().
210 * 192 *
211 * On non-SMP systems, this is not called 193 * On non-SMP systems, this is not called.
212 */ 194 */
213 extern void kgdb_roundup_cpus(void); !! 195 extern void kgdb_roundup_cpus(unsigned long flags);
214 196
215 /** 197 /**
216 * kgdb_arch_set_pc - Generic call back t 198 * kgdb_arch_set_pc - Generic call back to the program counter
217 * @regs: Current &struct pt_regs. 199 * @regs: Current &struct pt_regs.
218 * @pc: The new value for the program counter 200 * @pc: The new value for the program counter
219 * 201 *
220 * This function handles updating the pro 202 * This function handles updating the program counter and requires an
221 * architecture specific implementation. 203 * architecture specific implementation.
222 */ 204 */
223 extern void kgdb_arch_set_pc(struct pt_regs *r 205 extern void kgdb_arch_set_pc(struct pt_regs *regs, unsigned long pc);
224 206
225 207
226 /* Optional functions. */ 208 /* Optional functions. */
227 extern int kgdb_validate_break_address(unsigne 209 extern int kgdb_validate_break_address(unsigned long addr);
228 extern int kgdb_arch_set_breakpoint(struct kgd 210 extern int kgdb_arch_set_breakpoint(struct kgdb_bkpt *bpt);
229 extern int kgdb_arch_remove_breakpoint(struct 211 extern int kgdb_arch_remove_breakpoint(struct kgdb_bkpt *bpt);
230 212
231 /** 213 /**
232 * kgdb_arch_late - Perform any architect !! 214 * kgdb_arch_late - Perform any architecture specific initalization.
233 * 215 *
234 * This function will handle the late ini !! 216 * This function will handle the late initalization of any
235 * architecture specific callbacks. This 217 * architecture specific callbacks. This is an optional function for
236 * handling things like late initializati 218 * handling things like late initialization of hw breakpoints. The
237 * default implementation does nothing. 219 * default implementation does nothing.
238 */ 220 */
239 extern void kgdb_arch_late(void); 221 extern void kgdb_arch_late(void);
240 222
241 223
242 /** 224 /**
243 * struct kgdb_arch - Describe architecture sp 225 * struct kgdb_arch - Describe architecture specific values.
244 * @gdb_bpt_instr: The instruction to trigger 226 * @gdb_bpt_instr: The instruction to trigger a breakpoint.
245 * @flags: Flags for the breakpoint, currently 227 * @flags: Flags for the breakpoint, currently just %KGDB_HW_BREAKPOINT.
246 * @set_breakpoint: Allow an architecture to s 228 * @set_breakpoint: Allow an architecture to specify how to set a software
247 * breakpoint. 229 * breakpoint.
248 * @remove_breakpoint: Allow an architecture t 230 * @remove_breakpoint: Allow an architecture to specify how to remove a
249 * software breakpoint. 231 * software breakpoint.
250 * @set_hw_breakpoint: Allow an architecture t 232 * @set_hw_breakpoint: Allow an architecture to specify how to set a hardware
251 * breakpoint. 233 * breakpoint.
252 * @remove_hw_breakpoint: Allow an architectur 234 * @remove_hw_breakpoint: Allow an architecture to specify how to remove a
253 * hardware breakpoint. 235 * hardware breakpoint.
254 * @disable_hw_break: Allow an architecture to 236 * @disable_hw_break: Allow an architecture to specify how to disable
255 * hardware breakpoints for a single cpu. 237 * hardware breakpoints for a single cpu.
256 * @remove_all_hw_break: Allow an architecture 238 * @remove_all_hw_break: Allow an architecture to specify how to remove all
257 * hardware breakpoints. 239 * hardware breakpoints.
258 * @correct_hw_break: Allow an architecture to 240 * @correct_hw_break: Allow an architecture to specify how to correct the
259 * hardware debug registers. 241 * hardware debug registers.
260 * @enable_nmi: Manage NMI-triggered entry to 242 * @enable_nmi: Manage NMI-triggered entry to KGDB
261 */ 243 */
262 struct kgdb_arch { 244 struct kgdb_arch {
263 unsigned char gdb_bpt_instr[ 245 unsigned char gdb_bpt_instr[BREAK_INSTR_SIZE];
264 unsigned long flags; 246 unsigned long flags;
265 247
266 int (*set_breakpoint)(unsigned lon 248 int (*set_breakpoint)(unsigned long, char *);
267 int (*remove_breakpoint)(unsigned 249 int (*remove_breakpoint)(unsigned long, char *);
268 int (*set_hw_breakpoint)(unsigned 250 int (*set_hw_breakpoint)(unsigned long, int, enum kgdb_bptype);
269 int (*remove_hw_breakpoint)(unsign 251 int (*remove_hw_breakpoint)(unsigned long, int, enum kgdb_bptype);
270 void (*disable_hw_break)(struct pt_ 252 void (*disable_hw_break)(struct pt_regs *regs);
271 void (*remove_all_hw_break)(void); 253 void (*remove_all_hw_break)(void);
272 void (*correct_hw_break)(void); 254 void (*correct_hw_break)(void);
273 255
274 void (*enable_nmi)(bool on); 256 void (*enable_nmi)(bool on);
275 }; 257 };
276 258
277 /** 259 /**
278 * struct kgdb_io - Describe the interface for 260 * struct kgdb_io - Describe the interface for an I/O driver to talk with KGDB.
279 * @name: Name of the I/O driver. 261 * @name: Name of the I/O driver.
280 * @read_char: Pointer to a function that will 262 * @read_char: Pointer to a function that will return one char.
281 * @write_char: Pointer to a function that wil 263 * @write_char: Pointer to a function that will write one char.
282 * @flush: Pointer to a function that will flu 264 * @flush: Pointer to a function that will flush any pending writes.
283 * @init: Pointer to a function that will init 265 * @init: Pointer to a function that will initialize the device.
284 * @deinit: Pointer to a function that will de <<
285 * this I/O driver is temporary and expects to <<
286 * an I/O driver is replaced or explicitly unr <<
287 * @pre_exception: Pointer to a function that 266 * @pre_exception: Pointer to a function that will do any prep work for
288 * the I/O driver. 267 * the I/O driver.
289 * @post_exception: Pointer to a function that 268 * @post_exception: Pointer to a function that will do any cleanup work
290 * for the I/O driver. 269 * for the I/O driver.
291 * @cons: valid if the I/O device is a console !! 270 * @is_console: 1 if the end device is a console 0 if the I/O device is
>> 271 * not a console
292 */ 272 */
293 struct kgdb_io { 273 struct kgdb_io {
294 const char *name; 274 const char *name;
295 int (*read_char) ( 275 int (*read_char) (void);
296 void (*write_char) 276 void (*write_char) (u8);
297 void (*flush) (void 277 void (*flush) (void);
298 int (*init) (void) 278 int (*init) (void);
299 void (*deinit) (voi <<
300 void (*pre_exceptio 279 void (*pre_exception) (void);
301 void (*post_excepti 280 void (*post_exception) (void);
302 struct console *cons; !! 281 int is_console;
303 }; 282 };
304 283
305 extern const struct kgdb_arch arch_k !! 284 extern struct kgdb_arch arch_kgdb_ops;
306 285
307 extern unsigned long kgdb_arch_pc(int exceptio 286 extern unsigned long kgdb_arch_pc(int exception, struct pt_regs *regs);
308 287
309 #ifdef CONFIG_SERIAL_KGDB_NMI 288 #ifdef CONFIG_SERIAL_KGDB_NMI
310 extern int kgdb_register_nmi_console(void); 289 extern int kgdb_register_nmi_console(void);
311 extern int kgdb_unregister_nmi_console(void); 290 extern int kgdb_unregister_nmi_console(void);
312 extern bool kgdb_nmi_poll_knock(void); 291 extern bool kgdb_nmi_poll_knock(void);
313 #else 292 #else
314 static inline int kgdb_register_nmi_console(vo 293 static inline int kgdb_register_nmi_console(void) { return 0; }
315 static inline int kgdb_unregister_nmi_console( 294 static inline int kgdb_unregister_nmi_console(void) { return 0; }
316 static inline bool kgdb_nmi_poll_knock(void) { !! 295 static inline bool kgdb_nmi_poll_knock(void) { return 1; }
317 #endif 296 #endif
318 297
319 extern int kgdb_register_io_module(struct kgdb 298 extern int kgdb_register_io_module(struct kgdb_io *local_kgdb_io_ops);
320 extern void kgdb_unregister_io_module(struct k 299 extern void kgdb_unregister_io_module(struct kgdb_io *local_kgdb_io_ops);
321 extern struct kgdb_io *dbg_io_ops; 300 extern struct kgdb_io *dbg_io_ops;
322 301
323 extern int kgdb_hex2long(char **ptr, unsigned 302 extern int kgdb_hex2long(char **ptr, unsigned long *long_val);
324 extern char *kgdb_mem2hex(char *mem, char *buf 303 extern char *kgdb_mem2hex(char *mem, char *buf, int count);
325 extern int kgdb_hex2mem(char *buf, char *mem, 304 extern int kgdb_hex2mem(char *buf, char *mem, int count);
326 305
327 extern int kgdb_isremovedbreak(unsigned long a 306 extern int kgdb_isremovedbreak(unsigned long addr);
328 extern int kgdb_has_hit_break(unsigned long ad !! 307 extern void kgdb_schedule_breakpoint(void);
329 308
330 extern int 309 extern int
331 kgdb_handle_exception(int ex_vector, int signo 310 kgdb_handle_exception(int ex_vector, int signo, int err_code,
332 struct pt_regs *regs); 311 struct pt_regs *regs);
333 extern int kgdb_nmicallback(int cpu, void *reg 312 extern int kgdb_nmicallback(int cpu, void *regs);
334 extern int kgdb_nmicallin(int cpu, int trapnr, 313 extern int kgdb_nmicallin(int cpu, int trapnr, void *regs, int err_code,
335 atomic_t *snd_rdy); 314 atomic_t *snd_rdy);
336 extern void gdbstub_exit(int status); 315 extern void gdbstub_exit(int status);
337 316
338 /* <<
339 * kgdb and kprobes both use the same (kprobe) <<
340 * given they are both typically hooked up to <<
341 * architectures one cannot be used to debug t <<
342 * <<
343 * However on architectures where kprobes is n <<
344 * breakpoints everywhere rather than blocking <<
345 */ <<
346 static inline bool kgdb_within_blocklist(unsig <<
347 { <<
348 #ifdef CONFIG_KGDB_HONOUR_BLOCKLIST <<
349 return within_kprobe_blacklist(addr); <<
350 #else <<
351 return false; <<
352 #endif <<
353 } <<
354 <<
355 extern int kgdb_single_st 317 extern int kgdb_single_step;
356 extern atomic_t kgdb_active; 318 extern atomic_t kgdb_active;
357 #define in_dbg_master() \ 319 #define in_dbg_master() \
358 (irqs_disabled() && (smp_processor_id( 320 (irqs_disabled() && (smp_processor_id() == atomic_read(&kgdb_active)))
359 extern bool dbg_is_early; 321 extern bool dbg_is_early;
360 extern void __init dbg_late_init(void); 322 extern void __init dbg_late_init(void);
361 extern void kgdb_panic(const char *msg); <<
362 extern void kgdb_free_init_mem(void); <<
363 #else /* ! CONFIG_KGDB */ 323 #else /* ! CONFIG_KGDB */
364 #define in_dbg_master() (0) 324 #define in_dbg_master() (0)
365 #define dbg_late_init() 325 #define dbg_late_init()
366 static inline void kgdb_panic(const char *msg) <<
367 static inline void kgdb_free_init_mem(void) { <<
368 static inline int kgdb_nmicallback(int cpu, vo <<
369 #endif /* ! CONFIG_KGDB */ 326 #endif /* ! CONFIG_KGDB */
370 #endif /* _KGDB_H_ */ 327 #endif /* _KGDB_H_ */
371 328
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