gdb_if.h

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/*
 *                   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

/* 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 */