diff options
Diffstat (limited to 'bsps/lm32/shared/gdbstub/gdb_if.h')
-rw-r--r-- | bsps/lm32/shared/gdbstub/gdb_if.h | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/bsps/lm32/shared/gdbstub/gdb_if.h b/bsps/lm32/shared/gdbstub/gdb_if.h new file mode 100644 index 0000000000..6df9c8e921 --- /dev/null +++ b/bsps/lm32/shared/gdbstub/gdb_if.h @@ -0,0 +1,125 @@ +/** + * @file + * @ingroup lm32_gdb + * @brief definition of the interface between the stub and gdb + */ + +/* + * gdb_if.h - definition of the interface between the stub and gdb + * + * THIS SOFTWARE IS NOT COPYRIGHTED + * + * The following software is offered for use in the public domain. + * There is no warranty with regard to this software or its performance + * and the user must accept the software "AS IS" with all faults. + * + * THE CONTRIBUTORS DISCLAIM ANY WARRANTIES, EXPRESS OR IMPLIED, WITH + * REGARD TO THIS SOFTWARE INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +/** + * @defgroup lm32_gdb LM32 GDB Interface + * @ingroup lm32_shared + * @brief Definition of the interface between the stub and gdb, + * @{ + */ + +#ifndef _GDB_IF_H +#define _GDB_IF_H + +/** @brief Max number of threads in qM response */ +#define QM_MAX_THREADS (20) + +struct rtems_gdb_stub_thread_info { + char display[256]; + char name[256]; + char more_display[256]; +}; + +/* + * Prototypes + */ + +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 +); + +/** @brief Exception IDs */ +#define LM32_EXCEPTION_RESET 0x0 +#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 + +/** @brief Breakpoint instruction */ +#define LM32_BREAK 0xac000002UL + +/** @brief This numbering must be consistant with GDBs numbering in gdb/lm32-tdep.c */ +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 +}; + +/* keep this in sync with the debug isr handler in lm32-debug.S */ +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, +}; + +#endif /* _GDB_IF_H */ + +/** @} */ |