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/*
* RTEMS remote gdb over serial line
*
* This file declares intialization functions to add
* a gdb remote debug stub to an RTEMS system.
*/
/*
* Copyright (c) 2002 Ingenieurbuero fuer Microcomputertechnik Th. Doerfler
* All rights reserved.
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#ifndef _SERDBG_H
#define _SERDBG_H
#include <rtems.h>
#include <termios.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef struct {
uint32_t baudrate; /* debug baud rate, e.g. 57600 */
void (*callout)(void); /* callout pointer during polling */
int (*open_io)(const char *dev_name, uint32_t baudrate); /* I/O open fnc */
const char *devname; /* debug device, e.g. "/dev/tty01" */
bool skip_init_bkpt; /* if TRUE, do not stop when initializing */
} serdbg_conf_t;
/*
* must be defined in init module...
*/
extern serdbg_conf_t serdbg_conf;
/*=========================================================================*\
| Function: |
\*-------------------------------------------------------------------------*/
void putDebugChar
(
/*-------------------------------------------------------------------------*\
| Purpose: |
| send character to remote debugger |
+---------------------------------------------------------------------------+
| Input Parameters: |
\*-------------------------------------------------------------------------*/
char c /* char to send */
);
/*-------------------------------------------------------------------------*\
| Return Value: |
| <none> |
\*=========================================================================*/
/*=========================================================================*\
| Function: |
\*-------------------------------------------------------------------------*/
int getDebugChar
(
/*-------------------------------------------------------------------------*\
| Purpose: |
| get character from remote debugger |
+---------------------------------------------------------------------------+
| Input Parameters: |
\*-------------------------------------------------------------------------*/
void /* <none> */
);
/*-------------------------------------------------------------------------*\
| Return Value: |
| <none> |
\*=========================================================================*/
/*=========================================================================*\
| Function: |
\*-------------------------------------------------------------------------*/
void serdbg_exceptionHandler
(
/*-------------------------------------------------------------------------*\
| Purpose: |
| hook directly to an exception vector |
+---------------------------------------------------------------------------+
| Input Parameters: |
\*-------------------------------------------------------------------------*/
int vecnum, /* vector index to hook at */
void *vector /* address of handler function */
);
/*-------------------------------------------------------------------------*\
| Return Value: |
| <none> |
\*=========================================================================*/
/*=========================================================================*\
| Function: |
\*-------------------------------------------------------------------------*/
int serdbg_init
(
/*-------------------------------------------------------------------------*\
| Purpose: |
| initialize remote gdb session over serial line |
+---------------------------------------------------------------------------+
| Input Parameters: |
\*-------------------------------------------------------------------------*/
void
);
/*-------------------------------------------------------------------------*\
| Return Value: |
| rtems_status_code |
\*=========================================================================*/
/*
* stuff from serdbgio.c
*/
/*=========================================================================*\
| Function: |
\*-------------------------------------------------------------------------*/
int serdbg_open
/*-------------------------------------------------------------------------*\
| Purpose: |
| try to open given serial debug port |
+---------------------------------------------------------------------------+
| Input Parameters: |
\*-------------------------------------------------------------------------*/
(
const char *dev_name, /* name of device to open */
uint32_t baudrate /* baud rate to use */
);
/*-------------------------------------------------------------------------*\
| Return Value: |
| 0 on success, -1 and errno otherwise |
\*=========================================================================*/
extern int serdbg_init_dbg(void);
/*
* Assumed to be provided by the BSP
*/
extern void set_debug_traps(void);
extern void breakpoint(void);
#ifdef __cplusplus
}
#endif
#endif /* _SERDBG_H */
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