LM32 GDB Interface

Definition of the interface between the stub and gdb,. More...

Files
file	gdb_if.h
	definition of the interface between the stub and gdb

Data Structures
struct	rtems_gdb_stub_thread_info

Macros
#define	QM_MAX_THREADS   (20)
	Max number of threads in qM response.
#define	LM32_EXCEPTION_RESET   0x0
	Exception IDs.
#define	LM32_EXCEPTION_INST_BREAKPOINT   0x1
#define	LM32_EXCEPTION_INST_BUS_ERROR   0x2
#define	LM32_EXCEPTION_DATA_BREAKPOINT   0x3
#define	LM32_EXCEPTION_DATA_BUS_ERROR   0x4
#define	LM32_EXCEPTION_DIVIDE_BY_ZERO   0x5
#define	LM32_EXCEPTION_INTERRUPT   0x6
#define	LM32_EXCEPTION_SYSTEM_CALL   0x7
#define	LM32_BREAK   0xac000002UL
	Breakpoint instruction.

Enumerations
enum	lm32_regnames {   LM32_REG_R0, LM32_REG_R1, LM32_REG_R2, LM32_REG_R3,   LM32_REG_R4, LM32_REG_R5, LM32_REG_R6, LM32_REG_R7,   LM32_REG_R8, LM32_REG_R9, LM32_REG_R10, LM32_REG_R11,   LM32_REG_R12, LM32_REG_R13, LM32_REG_R14, LM32_REG_R15,   LM32_REG_R16, LM32_REG_R17, LM32_REG_R18, LM32_REG_R19,   LM32_REG_R20, LM32_REG_R21, LM32_REG_R22, LM32_REG_R23,   LM32_REG_R24, LM32_REG_R25, LM32_REG_GP, LM32_REG_FP,   LM32_REG_SP, LM32_REG_RA, LM32_REG_EA, LM32_REG_BA,   LM32_REG_PC, LM32_REG_EID, LM32_REG_EBA, LM32_REG_DEBA,   LM32_REG_IE, NUM_REGS }
	This numbering must be consistant with GDBs numbering in gdb/lm32-tdep.c.
enum	lm32_int_regnames {   LM32_INT_REG_R1, LM32_INT_REG_R2, LM32_INT_REG_R3, LM32_INT_REG_R4,   LM32_INT_REG_R5, LM32_INT_REG_R6, LM32_INT_REG_R7, LM32_INT_REG_R8,   LM32_INT_REG_R9, LM32_INT_REG_R10, LM32_INT_REG_RA, LM32_INT_REG_EA,   LM32_INT_REG_BA, LM32_INT_REG_R11, LM32_INT_REG_R12, LM32_INT_REG_R13,   LM32_INT_REG_R14, LM32_INT_REG_R15, LM32_INT_REG_R16, LM32_INT_REG_R17,   LM32_INT_REG_R18, LM32_INT_REG_R19, LM32_INT_REG_R20, LM32_INT_REG_R21,   LM32_INT_REG_R22, LM32_INT_REG_R23, LM32_INT_REG_R24, LM32_INT_REG_R25,   LM32_INT_REG_GP, LM32_INT_REG_FP, LM32_INT_REG_SP, LM32_INT_REG_PC,   LM32_INT_REG_EID, LM32_INT_REG_EBA, LM32_INT_REG_DEBA, LM32_INT_REG_IE }

Functions
int	parse_zbreak (const char *in, int *type, unsigned char **addr, int *len)
char *	mem2hstr (char *buf, const unsigned char *mem, int count)
int	hstr2mem (unsigned char *mem, const char *buf, int count)
void	set_mem_err (void)
unsigned char	get_byte (const unsigned char *ptr)
void	set_byte (unsigned char *ptr, int val)
char *	thread2vhstr (char *buf, int thread)
char *	thread2fhstr (char *buf, int thread)
const char *	fhstr2thread (const char *buf, int *thread)
const char *	vhstr2thread (const char *buf, int *thread)
char *	int2fhstr (char *buf, int val)
char *	int2vhstr (char *buf, int vali)
const char *	fhstr2int (const char *buf, int *ival)
const char *	vhstr2int (const char *buf, int *ival)
int	hstr2byte (const char *buf, int *bval)
int	hstr2nibble (const char *buf, int *nibble)
Thread_Control *	rtems_gdb_index_to_stub_id (int)
int	rtems_gdb_stub_thread_support_ok (void)
int	rtems_gdb_stub_get_current_thread (void)
int	rtems_gdb_stub_get_next_thread (int)
int	rtems_gdb_stub_get_offsets (unsigned char **text_addr, unsigned char **data_addr, unsigned char **bss_addr)
int	rtems_gdb_stub_get_thread_regs (int thread, unsigned int *registers)
int	rtems_gdb_stub_set_thread_regs (int thread, unsigned int *registers)
void	rtems_gdb_process_query (char *inbuffer, char *outbuffer, int do_threads, int thread)

Detailed Description

Definition of the interface between the stub and gdb,.