182 lines
5.5 KiB
C
182 lines
5.5 KiB
C
/*
|
|
* Copyright 2002-2008, Axel Dörfler, axeld@pinc-software.de
|
|
* Distributed under the terms of the Haiku License.
|
|
*
|
|
* Copyright 2001-2002, Travis Geiselbrecht. All rights reserved.
|
|
* Distributed under the terms of the NewOS License.
|
|
*/
|
|
#ifndef _KERNEL_DEBUG_H
|
|
#define _KERNEL_DEBUG_H
|
|
|
|
|
|
#include <setjmp.h>
|
|
|
|
#include <KernelExport.h>
|
|
#include <module.h>
|
|
|
|
#include "kernel_debug_config.h"
|
|
|
|
|
|
/* KDEBUG
|
|
The kernel debug level.
|
|
Level 1 is usual asserts, > 1 should be used for very expensive runtime
|
|
checks
|
|
*/
|
|
#if !defined(KDEBUG)
|
|
# if DEBUG
|
|
# define KDEBUG 1
|
|
# else
|
|
# define KDEBUG 0
|
|
# endif
|
|
#endif
|
|
|
|
#define ASSERT_ALWAYS(x) \
|
|
do { \
|
|
if (!(x)) { \
|
|
panic("ASSERT FAILED (%s:%d): %s\n", __FILE__, __LINE__, #x); \
|
|
} \
|
|
} while (0)
|
|
|
|
#define ASSERT_ALWAYS_PRINT(x, format...) \
|
|
do { \
|
|
if (!(x)) { \
|
|
dprintf_no_syslog(format); \
|
|
panic("ASSERT FAILED (%s:%d): %s\n", __FILE__, __LINE__, #x); \
|
|
} \
|
|
} while (0)
|
|
|
|
#if KDEBUG
|
|
# define ASSERT(x) ASSERT_ALWAYS(x)
|
|
# define ASSERT_PRINT(x, format...) ASSERT_ALWAYS_PRINT(x, format)
|
|
#else
|
|
# define ASSERT(x) do { } while(0)
|
|
# define ASSERT_PRINT(x, format...) do { } while(0)
|
|
#endif
|
|
|
|
#if KDEBUG
|
|
# define KDEBUG_ONLY(x) x
|
|
#else
|
|
# define KDEBUG_ONLY(x) /* nothing */
|
|
#endif
|
|
|
|
// command return value
|
|
#define B_KDEBUG_ERROR 4
|
|
#define B_KDEBUG_RESTART_PIPE 5
|
|
|
|
// command flags
|
|
#define B_KDEBUG_DONT_PARSE_ARGUMENTS (0x01)
|
|
#define B_KDEBUG_PIPE_FINAL_RERUN (0x02)
|
|
|
|
struct debugger_module_info {
|
|
module_info info;
|
|
|
|
void (*enter_debugger)(void);
|
|
void (*exit_debugger)(void);
|
|
|
|
// I/O hooks
|
|
int (*debugger_puts)(const char *str, int32 length);
|
|
int (*debugger_getchar)(void);
|
|
// TODO: add hooks for tunnelling gdb ?
|
|
|
|
// Misc. hooks
|
|
bool (*emergency_key_pressed)(char key);
|
|
};
|
|
|
|
struct debugger_demangle_module_info {
|
|
module_info info;
|
|
|
|
const char* (*demangle_symbol)(const char* name, char* buffer,
|
|
size_t bufferSize, bool* _isObjectMethod);
|
|
status_t (*get_next_argument)(uint32* _cookie, const char* symbol,
|
|
char* name, size_t nameSize, int32* _type, size_t* _argumentLength);
|
|
};
|
|
|
|
|
|
extern int dbg_register_file[B_MAX_CPU_COUNT][14];
|
|
|
|
typedef struct debug_page_fault_info {
|
|
addr_t fault_address;
|
|
addr_t pc;
|
|
uint32 flags;
|
|
} debug_page_fault_info;
|
|
|
|
// debug_page_fault_info::flags
|
|
#define DEBUG_PAGE_FAULT_WRITE 0x01 /* write fault */
|
|
#define DEBUG_PAGE_FAULT_NO_INFO 0x02 /* fault address and read/write
|
|
unknown */
|
|
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
struct kernel_args;
|
|
|
|
extern status_t debug_init(struct kernel_args *args);
|
|
extern status_t debug_init_post_vm(struct kernel_args *args);
|
|
extern status_t debug_init_post_modules(struct kernel_args *args);
|
|
extern void debug_early_boot_message(const char *string);
|
|
extern void debug_puts(const char *s, int32 length);
|
|
extern bool debug_debugger_running(void);
|
|
extern bool debug_screen_output_enabled(void);
|
|
extern void debug_stop_screen_debug_output(void);
|
|
extern void debug_set_page_fault_info(addr_t faultAddress, addr_t pc,
|
|
uint32 flags);
|
|
extern debug_page_fault_info* debug_get_page_fault_info();
|
|
extern void debug_trap_cpu_in_kdl(int32 cpu, bool returnIfHandedOver);
|
|
extern void debug_double_fault(int32 cpu);
|
|
extern bool debug_emergency_key_pressed(char key);
|
|
extern bool debug_is_kernel_memory_accessible(addr_t address, size_t size,
|
|
uint32 protection);
|
|
extern int debug_call_with_fault_handler(jmp_buf jumpBuffer,
|
|
void (*function)(void*), void* parameter);
|
|
extern status_t debug_memcpy(void* to, const void* from, size_t size);
|
|
extern ssize_t debug_strlcpy(char* to, const char* from, size_t size);
|
|
|
|
extern char kgetc(void);
|
|
extern void kputs(const char *string);
|
|
extern void kputs_unfiltered(const char *string);
|
|
extern void kprintf_unfiltered(const char *format, ...)
|
|
__attribute__ ((format (__printf__, 1, 2)));
|
|
extern void dprintf_no_syslog(const char *format, ...)
|
|
__attribute__ ((format (__printf__, 1, 2)));
|
|
|
|
extern bool is_debug_variable_defined(const char* variableName);
|
|
extern bool set_debug_variable(const char* variableName, uint64 value);
|
|
extern uint64 get_debug_variable(const char* variableName,
|
|
uint64 defaultValue);
|
|
extern bool unset_debug_variable(const char* variableName);
|
|
extern void unset_all_debug_variables();
|
|
|
|
extern bool evaluate_debug_expression(const char* expression,
|
|
uint64* result, bool silent);
|
|
extern int evaluate_debug_command(const char* command);
|
|
extern status_t parse_next_debug_command_argument(const char** expressionString,
|
|
char* buffer, size_t bufferSize);
|
|
|
|
extern status_t add_debugger_command_etc(const char* name,
|
|
debugger_command_hook func, const char* description,
|
|
const char* usage, uint32 flags);
|
|
extern status_t add_debugger_command_alias(const char* newName,
|
|
const char* oldName, const char* description);
|
|
extern bool print_debugger_command_usage(const char* command);
|
|
extern bool has_debugger_command(const char* command);
|
|
|
|
extern const char *debug_demangle_symbol(const char* symbol, char* buffer,
|
|
size_t bufferSize, bool* _isObjectMethod);
|
|
extern status_t debug_get_next_demangled_argument(uint32* _cookie,
|
|
const char* symbol, char* name, size_t nameSize,
|
|
int32* _type, size_t* _argumentLength);
|
|
|
|
extern struct thread* debug_set_debugged_thread(struct thread* thread);
|
|
extern struct thread* debug_get_debugged_thread();
|
|
|
|
extern status_t _user_kernel_debugger(const char *message);
|
|
extern void _user_debug_output(const char *userString);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* _KERNEL_DEBUG_H */
|