97 lines
3 KiB
C
Executable file
97 lines
3 KiB
C
Executable file
/* xmon.h - XMON definitions
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*
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* $Id: //depot/rel/Eaglenest/Xtensa/OS/xmon/xmon.h#3 $
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*
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* Copyright (c) 2001-2013 Tensilica Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef __H_XMON
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#define __H_XMON
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/* Default GDB packet size */
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#define GDB_PKT_SIZE 4096
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/*XMON signals */
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#define XMON_SIGINT 2 /*target was interrupted */
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#define XMON_SIGILL 4 /*illegal instruction */
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#define XMON_SIGTRAP 5 /*general exception */
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#define XMON_SIGSEGV 11 /*page faults */
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/* Type of log message from XMON to the application */
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typedef enum {
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XMON_LOG,
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XMON_TRACE,
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XMON_ERR,
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XMON_APP,
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XMON_GDB
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} xmon_log_t;
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/* Return value type for xmon_proc() (see below) */
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typedef enum {
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XMON_GDB_PEND,
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XMON_GDB_PKT,
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XMON_NOT_GDB
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} xmon_gdb_pkt_t;
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#ifdef _cplusplus
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extern "C" {
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#endif
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/*
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* THE FOLLOWING ROUTINES ARE USED BY USER
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*/
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extern int _xmon_init(char* gdbBuf, int gdbPktSize,
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void(*xlog)(xmon_log_t type, const char* str));
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//Initialize GDB communication and logging to the main app.
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//For the logging to work, xlog function needs to be provided.
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//gdbBuf - pointer to a buffer XMON can use to comm. with GDB
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//gdbPktSize - Size of the allocated buffer for GDB communication.
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//xlog - logger handle.
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extern void _xmon_close(void);
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//Main application can detach from xmon at any time
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extern xmon_gdb_pkt_t _xmon_proc(char);
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// Give character to XMON to check if GDB message
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// Application is supposed to accumulate all the
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// character in case the recognition fails and chars
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// have to be sent to the original handler
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// Return: XMON_GDB_PEND - send me more chars
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// XMON_GDB_PKT - GDB message confirmed, C) not
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// XMON_NOT_GDB - not GDB message
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/*
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* THE FOLLOWING ROUTINES NEED TO BE PROVIDED BY USER
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*/
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extern int _xmon_in(); // wait for character from GDB
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extern void _xmon_out(char); // output a character to GDB
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extern int _xmon_flush(void); // flush output characters
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#ifdef _cplusplus
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}
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#endif
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#endif
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