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/*
* Copyright (c) 2015 Wind River Systems, Inc.
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef __MISC_DEBUG_GDB_SERVER__H_
#define __MISC_DEBUG_GDB_SERVER__H_
#ifdef __cplusplus
extern "C" {
#endif
/* define */
#define GDB_STOP_CHAR 0x3 /* GDB RSP default value */
#define NOT_DEBUGGING 0
#define DEBUGGING 1
#define STOP_RUNNING 2
#define SINGLE_STEP 3
#ifndef _ASMLANGUAGE
enum gdb_error_code {
GDB_ERROR_BP_LIST_FULL = 1, /* Reach max number of Hard&Soft BPs */
GDB_ERROR_INVALID_BP, /* No such BP in breakpoints list */
GDB_ERROR_HW_BP_INVALID_TYPE, /* Unsupported type/len combination */
GDB_ERROR_HW_BP_DBG_REGS_FULL, /* Debug register set full */
GDB_ERROR_HW_BP_NOT_SUP, /* hardware breakpoint not supported */
GDB_ERROR_INVALID_MEM /* trying to access invalid memory */
};
enum gdb_bp_type {
GDB_SOFT_BP, /* software breakpoint */
GDB_HW_INST_BP, /* hardware instruction breakpoint */
GDB_HW_DATA_WRITE_BP, /* write watchpoint */
GDB_HW_DATA_READ_BP, /* read watchpoint */
GDB_HW_DATA_ACCESS_BP, /* access watchpoint */
GDB_UNKNOWN_BP_TYPE = -1 /* unknown breakpoint type */
};
enum gdb_exc_mode {
GDB_EXC_TRACE, /* trace exception */
GDB_EXC_BP, /* breakpoint exception */
GDB_EXC_OTHER, /* other exceptions */
};
enum gdb_signal {
GDB_SIG_NULL = -1,
GDB_SIG_INT = 2,
GDB_SIG_TRAP = 5,
GDB_SIG_FPE = 8,
GDB_SIG_SIGSEGV = 11,
GDB_SIG_STOP = 17
};
extern volatile int gdb_debug_status;
extern void gdb_system_stop_here(void *regs);
extern void gdb_handler(enum gdb_exc_mode mode, void *esf, int signal);
#endif /* _ASMLANGUAGE */
#ifdef __cplusplus
}
#endif
#endif /* __MISC_DEBUG_GDB_SERVER__H_*/
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