1 | /** |
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2 | * @file |
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3 | * |
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4 | * @ingroup m68k_gdbstub |
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5 | * |
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6 | * @brief definition of the interface between the stub and gdb |
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7 | */ |
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8 | |
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9 | /* |
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10 | * THIS SOFTWARE IS NOT COPYRIGHTED |
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11 | * |
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12 | * The following software is offered for use in the public domain. |
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13 | * There is no warranty with regard to this software or its performance |
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14 | * and the user must accept the software "AS IS" with all faults. |
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15 | * |
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16 | * THE CONTRIBUTORS DISCLAIM ANY WARRANTIES, EXPRESS OR IMPLIED, WITH |
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17 | * REGARD TO THIS SOFTWARE INCLUDING BUT NOT LIMITED TO THE WARRANTIES |
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18 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. |
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19 | */ |
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20 | |
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21 | #ifndef _GDB_IF_H |
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22 | #define _GDB_IF_H |
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23 | |
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24 | /** |
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25 | * @defgroup m68k_gdbstub GDB Stub |
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26 | * |
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27 | * @ingroup m68k_shared |
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28 | * |
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29 | * @brief GDB Stub interface support |
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30 | */ |
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31 | |
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32 | /* Max number of threads in qM response */ |
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33 | #define QM_MAX_THREADS (20) |
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34 | |
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35 | struct rtems_gdb_stub_thread_info { |
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36 | char display[256]; |
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37 | char name[256]; |
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38 | char more_display[256]; |
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39 | }; |
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40 | |
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41 | /* |
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42 | * Prototypes |
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43 | */ |
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44 | |
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45 | int parse_zbreak(const char *in, int *type, unsigned char **addr, int *len); |
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46 | |
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47 | char* mem2hstr(char *buf, const unsigned char *mem, int count); |
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48 | int hstr2mem(unsigned char *mem, const char *buf, int count); |
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49 | void set_mem_err(void); |
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50 | unsigned char get_byte(const unsigned char *ptr); |
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51 | void set_byte(unsigned char *ptr, int val); |
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52 | char* thread2vhstr(char *buf, int thread); |
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53 | char* thread2fhstr(char *buf, int thread); |
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54 | const char* fhstr2thread(const char *buf, int *thread); |
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55 | const char* vhstr2thread(const char *buf, int *thread); |
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56 | char* int2fhstr(char *buf, int val); |
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57 | char* int2vhstr(char *buf, int vali); |
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58 | const char* fhstr2int(const char *buf, int *ival); |
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59 | const char* vhstr2int(const char *buf, int *ival); |
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60 | int hstr2byte(const char *buf, int *bval); |
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61 | int hstr2nibble(const char *buf, int *nibble); |
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62 | |
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63 | Thread_Control *rtems_gdb_index_to_stub_id(int); |
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64 | int rtems_gdb_stub_thread_support_ok(void); |
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65 | int rtems_gdb_stub_get_current_thread(void); |
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66 | int rtems_gdb_stub_get_next_thread(int); |
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67 | int rtems_gdb_stub_get_offsets( |
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68 | unsigned char **text_addr, |
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69 | unsigned char **data_addr, |
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70 | unsigned char **bss_addr |
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71 | ); |
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72 | int rtems_gdb_stub_get_thread_regs( |
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73 | int thread, |
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74 | unsigned int *registers |
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75 | ); |
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76 | int rtems_gdb_stub_set_thread_regs( |
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77 | int thread, |
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78 | unsigned int *registers |
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79 | ); |
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80 | void rtems_gdb_process_query( |
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81 | char *inbuffer, |
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82 | char *outbuffer, |
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83 | int do_threads, |
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84 | int thread |
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85 | ); |
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86 | |
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87 | #if defined (__mc68000__) |
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88 | /* there are 180 bytes of registers on a 68020 w/68881 */ |
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89 | /* many of the fpa registers are 12 byte (96 bit) registers */ |
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90 | #define NUMREGBYTES 180 |
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91 | enum regnames {D0,D1,D2,D3,D4,D5,D6,D7, |
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92 | A0,A1,A2,A3,A4,A5,A6,A7, |
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93 | PS,PC, |
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94 | FP0,FP1,FP2,FP3,FP4,FP5,FP6,FP7, |
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95 | FPCONTROL,FPSTATUS,FPIADDR |
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96 | }; |
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97 | #elif defined (__mips__) |
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98 | /* |
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99 | * MIPS registers, numbered in the order in which gdb expects to see them. |
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100 | */ |
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101 | #define ZERO 0 |
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102 | #define AT 1 |
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103 | #define V0 2 |
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104 | #define V1 3 |
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105 | #define A0 4 |
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106 | #define A1 5 |
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107 | #define A2 6 |
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108 | #define A3 7 |
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109 | |
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110 | #define T0 8 |
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111 | #define T1 9 |
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112 | #define T2 10 |
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113 | #define T3 11 |
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114 | #define T4 12 |
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115 | #define T5 13 |
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116 | #define T6 14 |
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117 | #define T7 15 |
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118 | |
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119 | #define S0 16 |
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120 | #define S1 17 |
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121 | #define S2 18 |
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122 | #define S3 19 |
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123 | #define S4 20 |
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124 | #define S5 21 |
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125 | #define S6 22 |
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126 | #define S7 23 |
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127 | |
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128 | #define T8 24 |
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129 | #define T9 25 |
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130 | #define K0 26 |
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131 | #define K1 27 |
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132 | #define GP 28 |
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133 | #define SP 29 |
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134 | #define S8 30 |
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135 | #define RA 31 |
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136 | |
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137 | #define SR 32 |
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138 | #define LO 33 |
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139 | #define HI 34 |
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140 | #define BAD_VA 35 |
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141 | #define CAUSE 36 |
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142 | #define PC 37 |
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143 | |
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144 | #define F0 38 |
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145 | #define F1 39 |
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146 | #define F2 40 |
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147 | #define F3 41 |
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148 | #define F4 42 |
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149 | #define F5 43 |
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150 | #define F6 44 |
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151 | #define F7 45 |
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152 | |
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153 | #define F8 46 |
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154 | #define F9 47 |
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155 | #define F10 48 |
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156 | #define F11 49 |
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157 | #define F12 50 |
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158 | #define F13 51 |
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159 | #define F14 52 |
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160 | #define F15 53 |
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161 | |
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162 | #define F16 54 |
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163 | #define F17 55 |
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164 | #define F18 56 |
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165 | #define F19 57 |
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166 | #define F20 58 |
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167 | #define F21 59 |
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168 | #define F22 60 |
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169 | #define F23 61 |
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170 | |
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171 | #define F24 62 |
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172 | #define F25 63 |
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173 | #define F26 64 |
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174 | #define F27 65 |
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175 | #define F28 66 |
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176 | #define F29 67 |
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177 | #define F30 68 |
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178 | #define F31 69 |
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179 | |
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180 | #define FCSR 70 |
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181 | #define FIRR 71 |
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182 | |
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183 | #define NUM_REGS 72 |
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184 | |
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185 | void mips_gdb_stub_install(int enableThreads) ; |
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186 | #endif /* defined (__mips__) */ |
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187 | |
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188 | #define MEMOPT_READABLE 1 |
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189 | #define MEMOPT_WRITEABLE 2 |
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190 | |
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191 | #define NUM_MEMSEGS 10 |
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192 | |
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193 | int gdbstub_add_memsegment(unsigned,unsigned,int); |
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194 | |
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195 | #endif /* _GDB_IF_H */ |
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