1 /* Defintions to support the remote debugging interface. 2 Copyright 2001, 2003 Brian R. Gaeke. 3 4 This file is part of VMIPS. 5 6 VMIPS is free software; you can redistribute it and/or modify it 7 under the terms of the GNU General Public License as published by the 8 Free Software Foundation; either version 2 of the License, or (at your 9 option) any later version. 10 11 VMIPS is distributed in the hope that it will be useful, but 12 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 13 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 for more details. 15 16 You should have received a copy of the GNU General Public License along 17 with VMIPS; if not, write to the Free Software Foundation, Inc., 18 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ 19 20 #ifndef _DEBUG_H_ 21 #define _DEBUG_H_ 22 23 #include "deviceexc.h" 24 #include <set> 25 class CPU; 26 class Mapper; 27 28 class Debug : public DeviceExc { 29 private: 30 CPU *cpu; 31 Mapper *mem; 32 int signo; 33 int listener; 34 long threadno_step; 35 long threadno_gen; 36 uint32 rom_baseaddr; 37 uint32 rom_nwords; 38 typedef std::set<uint32> wordset; 39 wordset bp_set; 40 bool opt_bigendian; 41 bool debug_verbose; 42 43 public: 44 Debug (CPU &c_, Mapper &m_); ~Debug()45 virtual ~Debug () { } 46 bool got_interrupt; 47 48 uint32 packet_pop_word(char **packet); 49 uint8 packet_pop_byte(char **packet); 50 51 int setup(uint32 baseaddr, uint32 nwords); 52 int serverloop(void); 53 void exception(uint16 excCode, int mode, int coprocno); 54 55 private: 56 int setup_listener_socket(void); 57 int set_nonblocking(int fd); 58 void print_local_name(int s); 59 void targetloop(void); 60 char *rawpacket(const char *str); 61 char *hexpacket(const char *str); 62 char *error_packet(int error_code); 63 char *signal_packet(int signal); 64 char *target_query(char *pkt); 65 char *target_kill(char *pkt); 66 char *target_set_thread(char *pkt); 67 char *target_poll_thread(char *pkt); 68 char *target_read_registers(char *pkt); 69 char *target_write_registers(char *pkt); 70 char *target_read_memory(char *pkt); 71 char *target_write_memory(char *pkt); 72 uint8 single_step(void); 73 char *target_continue(char *pkt); 74 char *target_detach(char *pkt); 75 char *target_step(char *pkt); 76 char *target_last_signal(char *pkt); 77 char *target_unimplemented(char *pkt); 78 int exccode_to_signal(int exccode); 79 /* Breakpoint support methods. */ 80 bool breakpoint_exists(uint32 addr); 81 void declare_breakpoint(uint32 addr); 82 void remove_breakpoint(uint32 addr); 83 bool address_in_rom(uint32 addr); 84 void get_breakpoint_bitmap_entry(uint32 addr, uint8 *&entry, uint8 &bitno); 85 bool is_breakpoint_insn(char *packetptr); 86 char *target_set_or_remove_breakpoint(char *pkt, bool setting); 87 }; 88 89 #endif /* _DEBUG_H_ */ 90