1 | /* This file is a derivation of that found with the newlib-1.6 distribution |
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2 | * for the idp.ld file. That file, it appears, was originally written by |
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3 | * Rob Savoye. Other ideas came from Joel Sherrill for the RTEMS linkcmds |
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4 | * file (this is basically a mixture of the two). |
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5 | * |
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6 | * $Id$ |
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7 | */ |
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8 | |
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9 | /* |
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10 | * Setup the memory map of the MC68ec0x0 Board (IDP) |
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11 | * stack grows up towards high memory. This works for |
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12 | * both the rom68k and the mon68k monitors. |
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13 | */ |
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14 | |
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15 | MEMORY |
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16 | { |
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17 | ram : org = 0x10000, l = 2M |
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18 | } |
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19 | |
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20 | /* |
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21 | * Declare some sizes. |
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22 | */ |
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23 | _RamBase = DEFINED(_RamBase) ? _RamBase : 0x0; |
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24 | _RamSize = DEFINED(_RamSize) ? _RamSize : 2M; |
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25 | _HeapSize = DEFINED(_HeapSize) ? _HeapSize : 0x10000; |
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26 | _StackSize = DEFINED(_StackSize) ? _StackSize : 0x1000; |
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27 | |
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28 | SECTIONS |
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29 | { |
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30 | ram : { |
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31 | . = .; |
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32 | } >ram |
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33 | |
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34 | /* |
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35 | * Text, data and bss segments |
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36 | */ |
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37 | .text : { |
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38 | *(.text) |
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39 | |
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40 | /* |
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41 | * C++ constructors/destructors |
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42 | */ |
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43 | *(.gnu.linkonce.t.*) |
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44 | |
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45 | /* |
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46 | * Initialization and finalization code. |
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47 | * |
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48 | * Various files can provide initialization and finalization |
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49 | * functions. crtbegin.o and crtend.o are two instances. The |
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50 | * body of these functions are in .init and .fini sections. We |
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51 | * accumulate the bodies here, and prepend function prologues |
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52 | * from crti.o and function epilogues from crtn.o. crti.o must |
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53 | * be linked first; crtn.o must be linked last. Because these |
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54 | * are wildcards, it doesn't matter if the user does not |
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55 | * actually link against crti.o and crtn.o; the linker won't |
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56 | * look for a file to match a wildcard. The wildcard also |
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57 | * means that it doesn't matter which directory crti.o and |
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58 | * crtn.o are in. |
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59 | */ |
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60 | PROVIDE (_init = .); |
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61 | *crti.o(.init) |
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62 | *(.init) |
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63 | *crtn.o(.init) |
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64 | PROVIDE (_fini = .); |
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65 | *crti.o(.fini) |
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66 | *(.fini) |
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67 | *crtn.o(.fini) |
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68 | |
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69 | /* |
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70 | * C++ constructors/destructors |
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71 | * |
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72 | * gcc uses crtbegin.o to find the start of the constructors |
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73 | * and destructors so we make sure it is first. Because this |
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74 | * is a wildcard, it doesn't matter if the user does not |
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75 | * actually link against crtbegin.o; the linker won't look for |
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76 | * a file to match a wildcard. The wildcard also means that |
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77 | * it doesn't matter which directory crtbegin.o is in. The |
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78 | * constructor and destructor list are terminated in |
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79 | * crtend.o. The same comments apply to it. |
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80 | */ |
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81 | . = ALIGN (16); |
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82 | *crtbegin.o(.ctors) |
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83 | *(.ctors) |
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84 | *crtend.o(.ctors) |
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85 | *crtbegin.o(.dtors) |
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86 | *(.dtors) |
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87 | *crtend.o(.dtors) |
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88 | |
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89 | /* |
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90 | * Exception frame info |
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91 | */ |
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92 | . = ALIGN (16); |
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93 | *(.eh_frame) |
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94 | |
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95 | /* |
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96 | * Read-only data |
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97 | */ |
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98 | . = ALIGN (16); |
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99 | _rodata_start = . ; |
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100 | *(.rodata) |
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101 | *(.gnu.linkonce.r*) |
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102 | |
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103 | . = ALIGN (16); |
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104 | PROVIDE (_etext = .); |
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105 | } >ram |
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106 | .data : { |
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107 | PROVIDE (_copy_start = .); |
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108 | *(.data) |
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109 | *(.gnu.linkonce.d*) |
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110 | *(.gcc_except_table) |
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111 | . = ALIGN (16); |
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112 | PROVIDE (_edata = .); |
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113 | PROVIDE (_copy_end = .); |
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114 | } >ram |
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115 | .bss : { |
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116 | _clear_start = .; |
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117 | *(.bss) |
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118 | *(COMMON) |
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119 | . = ALIGN (16); |
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120 | PROVIDE (end = .); |
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121 | |
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122 | . += _StackSize; |
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123 | . = ALIGN (16); |
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124 | _stack_init = .; |
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125 | _clear_end = .; |
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126 | |
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127 | _WorkspaceBase = .; |
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128 | } >ram |
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129 | |
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130 | /* Stabs debugging sections. */ |
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131 | .stab 0 : { *(.stab) } |
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132 | .stabstr 0 : { *(.stabstr) } |
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133 | .stab.excl 0 : { *(.stab.excl) } |
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134 | .stab.exclstr 0 : { *(.stab.exclstr) } |
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135 | .stab.index 0 : { *(.stab.index) } |
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136 | .stab.indexstr 0 : { *(.stab.indexstr) } |
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137 | .comment 0 : { *(.comment) } |
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138 | |
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139 | /* DWARF debug sections. |
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140 | Symbols in the DWARF debugging sections are relative to the beginning |
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141 | of the section so we begin them at 0. */ |
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142 | /* DWARF 1 */ |
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143 | .debug 0 : { *(.debug) } |
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144 | .line 0 : { *(.line) } |
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145 | |
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146 | /* GNU DWARF 1 extensions */ |
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147 | .debug_srcinfo 0 : { *(.debug_srcinfo) } |
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148 | .debug_sfnames 0 : { *(.debug_sfnames) } |
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149 | |
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150 | /* DWARF 1.1 and DWARF 2 */ |
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151 | .debug_aranges 0 : { *(.debug_aranges) } |
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152 | .debug_pubnames 0 : { *(.debug_pubnames) } |
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153 | |
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154 | /* DWARF 2 */ |
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155 | .debug_info 0 : { *(.debug_info) } |
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156 | .debug_abbrev 0 : { *(.debug_abbrev) } |
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157 | .debug_line 0 : { *(.debug_line) } |
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158 | .debug_frame 0 : { *(.debug_frame) } |
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159 | .debug_str 0 : { *(.debug_str) } |
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160 | .debug_loc 0 : { *(.debug_loc) } |
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161 | .debug_macinfo 0 : { *(.debug_macinfo) } |
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162 | |
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163 | /* SGI/MIPS DWARF 2 extensions */ |
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164 | .debug_weaknames 0 : { *(.debug_weaknames) } |
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165 | .debug_funcnames 0 : { *(.debug_funcnames) } |
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166 | .debug_typenames 0 : { *(.debug_typenames) } |
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167 | .debug_varnames 0 : { *(.debug_varnames) } |
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168 | /* These must appear regardless of . */ |
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169 | } |
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