ArchC: ac_gdb.H Source File

00001 
00029 #ifndef _AC_GDB_H_
00030 #define _AC_GDB_H_
00031 
00032 #include "breakpoints.H"
00033 #include "ac_gdb_interface.H"
00034 #include "ac_resources.H"
00035 
00036 #include <stdio.h>
00037 #include <stdlib.h>
00038 #include <sys/types.h>
00039 #include <sys/socket.h>
00040 #include <netinet/in.h>
00041 #include <arpa/inet.h>
00042 #include <netdb.h>
00043 #include <unistd.h>
00044 #include <signal.h>
00045 
00046 #ifndef BREAKPOINTS
00047 #   define BREAKPOINTS 200
00048 #endif
00049 
00050 #ifndef GDB_BUFFERSIZE
00051 #   define GDB_BUFFERSIZE 2048
00052 #endif
00053 
00054 #ifdef DEBUG
00055 #   define debug( x ) \
00056    cerr << "debug:" << __FILE__ << ":" << __LINE__ << "=>" << ( x ) << endl
00057 #else  /* DEBUG */
00058 #   define debug( x )
00059 #endif /* DEBUG */
00060 
00061 
00062 static const char hexchars[]="0123456789abcdef"; 
00067 class AC_GDB {
00068 public:
00069   AC_GDB( AC_GDB_Interface* proc, int port );
00070   ~AC_GDB();
00071 
00072   void process_bp();
00073   bool stop( unsigned int decoded_pc );
00074   void exit( int ac_exit_status );
00075 
00076   /* Runtime Enable/Disable GDB Support */
00077   void disable();
00078   void enable();
00079   int  is_disabled();
00080   void connect();
00081 
00082   /* Set/Get Port */
00083   void set_port( int port );
00084   int  get_port();
00085 
00086 private:
00087   Breakpoints *bps;       
00088   AC_GDB_Interface* proc; 
00090   /* Connection */
00091   int  sd;         
00092   int  port;       
00094   /* Status */
00095   char connected;  
00096   char first_time; 
00097   char step;       
00098   char disabled;   
00100   /* Buffers */
00101   char out_buffer[ GDB_BUFFERSIZE ]; 
00102   char in_buffer[ GDB_BUFFERSIZE ];  
00104   /* Registers */
00105   void reg_read( char *ib, char *ob );
00106   void reg_write( char *ib, char *ob );
00107 
00108   /* Memory */
00109   void mem_read( char *ib, char *ob );
00110   void mem_write( char *ib, char *ob );
00111 
00112   /* Flow control */
00113   void continue_execution( char *ib, char *ob );
00114   void stepmode( char *ib, char *ob );
00115   void cc( char *ib, char *ob );
00116 
00117   /* Breakpoints */
00118   void break_insert( char *ib, char *ob );
00119   void break_remove( char *ib, char *ob );
00120 
00121   /* Communication */
00122   void comm_getpacket ( char *buffer );
00123   void comm_putpacket( const char *buffer );
00124   int  comm_putchar( const char c );
00125   char comm_getchar();
00126 
00127   /* Helpers */
00128   int  hex( unsigned char ch );
00129 };
00130 
00131 #endif /* _AC_GDB_H_ */