diff options
Diffstat (limited to 'bsps/m68k/shared/gdbstub/gdb_if.h')
| -rw-r--r-- | bsps/m68k/shared/gdbstub/gdb_if.h | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/bsps/m68k/shared/gdbstub/gdb_if.h b/bsps/m68k/shared/gdbstub/gdb_if.h new file mode 100644 index 0000000000..6c68703b76 --- /dev/null +++ b/bsps/m68k/shared/gdbstub/gdb_if.h @@ -0,0 +1,195 @@ +/** + * @file + * + * @ingroup m68k_gdbstub + * + * @brief 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. + */ + +#ifndef _GDB_IF_H +#define _GDB_IF_H + +/** + * @defgroup m68k_gdbstub GDB Stub + * + * @ingroup m68k_shared + * + * @brief GDB Stub interface support + */ + +/* 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 +); + +#if defined (__mc68000__) +/* there are 180 bytes of registers on a 68020 w/68881 */ +/* many of the fpa registers are 12 byte (96 bit) registers */ +#define NUMREGBYTES 180 +enum regnames {D0,D1,D2,D3,D4,D5,D6,D7, + A0,A1,A2,A3,A4,A5,A6,A7, + PS,PC, + FP0,FP1,FP2,FP3,FP4,FP5,FP6,FP7, + FPCONTROL,FPSTATUS,FPIADDR + }; +#elif defined (__mips__) +/* + * MIPS registers, numbered in the order in which gdb expects to see them. + */ +#define ZERO 0 +#define AT 1 +#define V0 2 +#define V1 3 +#define A0 4 +#define A1 5 +#define A2 6 +#define A3 7 + +#define T0 8 +#define T1 9 +#define T2 10 +#define T3 11 +#define T4 12 +#define T5 13 +#define T6 14 +#define T7 15 + +#define S0 16 +#define S1 17 +#define S2 18 +#define S3 19 +#define S4 20 +#define S5 21 +#define S6 22 +#define S7 23 + +#define T8 24 +#define T9 25 +#define K0 26 +#define K1 27 +#define GP 28 +#define SP 29 +#define S8 30 +#define RA 31 + +#define SR 32 +#define LO 33 +#define HI 34 +#define BAD_VA 35 +#define CAUSE 36 +#define PC 37 + +#define F0 38 +#define F1 39 +#define F2 40 +#define F3 41 +#define F4 42 +#define F5 43 +#define F6 44 +#define F7 45 + +#define F8 46 +#define F9 47 +#define F10 48 +#define F11 49 +#define F12 50 +#define F13 51 +#define F14 52 +#define F15 53 + +#define F16 54 +#define F17 55 +#define F18 56 +#define F19 57 +#define F20 58 +#define F21 59 +#define F22 60 +#define F23 61 + +#define F24 62 +#define F25 63 +#define F26 64 +#define F27 65 +#define F28 66 +#define F29 67 +#define F30 68 +#define F31 69 + +#define FCSR 70 +#define FIRR 71 + +#define NUM_REGS 72 + +void mips_gdb_stub_install(int enableThreads) ; +#endif /* defined (__mips__) */ + +#define MEMOPT_READABLE 1 +#define MEMOPT_WRITEABLE 2 + +#define NUM_MEMSEGS 10 + +int gdbstub_add_memsegment(unsigned,unsigned,int); + +#endif /* _GDB_IF_H */ |