91 lines
2.2 KiB
C
91 lines
2.2 KiB
C
|
/*
|
||
|
|
* ARM GDB support
|
||
|
|
* arch-specific portion of GDB stub
|
||
|
|
*
|
||
|
|
* File : arch_gdb.h(arm)
|
||
|
|
* This file is part of RT-Thread RTOS
|
||
|
|
* COPYRIGHT (C) 2006, RT-Thread Develop Team
|
||
|
|
*
|
||
|
|
* The license and distribution terms for this file may be
|
||
|
|
* found in the file LICENSE in this distribution or at
|
||
|
|
* http://www.rt-thread.org/license/LICENSE
|
||
|
|
*
|
||
|
|
* Change Logs:
|
||
|
|
* Date Author Notes
|
||
|
|
* 2014-07-04 wzyy2 first version
|
||
|
|
*/
|
||
|
|
#ifndef __ARM_GDB_H__
|
||
|
|
#define __ARM_GDB_H__
|
||
|
|
|
||
|
|
#include <rtthread.h>
|
||
|
|
|
||
|
|
|
||
|
|
#ifndef RT_GDB_HAVE_HWBP
|
||
|
|
#define RT_GDB_HAVE_HWBP 0
|
||
|
|
#endif
|
||
|
|
#ifndef RT_GDB_HAVE_SWBP
|
||
|
|
#define RT_GDB_HAVE_SWBP 1
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
#if RT_GDB_HAVE_HWBP
|
||
|
|
#error GDB:No hardware_breakpoint support
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
* By doing this as an undefined instruction trap, we force a mode
|
||
|
|
* switch from SVC to UND mode, allowing us to save full kernel state.
|
||
|
|
* We also define a GDB_COMPILED_BREAK which can be used to compile
|
||
|
|
* in breakpoints.
|
||
|
|
*/
|
||
|
|
#define BREAK_INSTR_SIZE 4
|
||
|
|
#define GDB_BREAKINST 0xe7ffdefe
|
||
|
|
#define GDB_COMPILED_BREAK 0xe7ffdeff
|
||
|
|
#define CACHE_FLUSH_IS_SAFE 1
|
||
|
|
|
||
|
|
#define ARM_GP_REGS 16
|
||
|
|
#define ARM_FP_REGS 8
|
||
|
|
#define ARM_EXTRA_REGS 2
|
||
|
|
#define GDB_MAX_REGS (ARM_GP_REGS + (ARM_FP_REGS * 3) + ARM_EXTRA_REGS)
|
||
|
|
#define NUMREGBYTES (GDB_MAX_REGS << 2)
|
||
|
|
|
||
|
|
|
||
|
|
//#define BUFMAX ((NUMREGBYTES << 1) + 10)
|
||
|
|
#define BUFMAX 400
|
||
|
|
|
||
|
|
enum regnames {
|
||
|
|
GDB_R0, /*0*/
|
||
|
|
GDB_R1, /*1*/
|
||
|
|
GDB_R2, /*2*/
|
||
|
|
GDB_R3, /*3*/
|
||
|
|
GDB_R4, /*4*/
|
||
|
|
GDB_R5, /*5*/
|
||
|
|
GDB_R6, /*6*/
|
||
|
|
GDB_R7, /*7*/
|
||
|
|
GDB_R8, /*8*/
|
||
|
|
GDB_R9, /*9*/
|
||
|
|
GDB_R10, /*10*/
|
||
|
|
GDB_FP, /*11*/
|
||
|
|
GDB_IP, /*12*/
|
||
|
|
GDB_SPT, /*13*/
|
||
|
|
GDB_LR, /*14*/
|
||
|
|
GDB_PC, /*15*/
|
||
|
|
GDB_CPSR = GDB_MAX_REGS-1
|
||
|
|
};
|
||
|
|
|
||
|
|
/* arch */
|
||
|
|
extern struct gdb_arch arch_gdb_ops;
|
||
|
|
void gdb_breakpoint();
|
||
|
|
void gdb_get_register(unsigned long *gdb_regs);
|
||
|
|
void gdb_put_register(unsigned long *gdb_regs);
|
||
|
|
void gdb_set_register(void *hw_regs);
|
||
|
|
int gdb_arch_handle_exception(char *remcom_in_buffer,
|
||
|
|
char *remcom_out_buffer);
|
||
|
|
void gdb_flush_icache_range(unsigned long start, unsigned long end);
|
||
|
|
int gdb_undef_hook(void *regs);
|
||
|
|
|
||
|
|
int gdb_handle_exception(int signo, void *regs);
|
||
|
|
|
||
|
|
#endif /* __ARM_GDB_H__ */
|