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