1 | OUTPUT_FORMAT("elf32-littlearm", "elf32-bigarm", "elf32-littlearm")
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2 | OUTPUT_ARCH(arm)
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3 | ENTRY(_start)
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4 |
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5 | MEMORY { /* memory map of LPC2468 */
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6 | ROM (rx) : ORIGIN = 0x00000000, LENGTH = 512k
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7 | RAM (rwx) : ORIGIN = 0x40000000, LENGTH = 64k
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8 | }
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9 |
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10 | /* The sizes of the stacks used by the application. NOTE: you need to adjust */
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11 | C_STACK_SIZE = 512;
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12 | IRQ_STACK_SIZE = 0;
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13 | FIQ_STACK_SIZE = 0;
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14 | SVC_STACK_SIZE = 0;
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15 | ABT_STACK_SIZE = 0;
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16 | UND_STACK_SIZE = 0;
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17 |
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18 |
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19 | SECTIONS {
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20 |
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21 | .reset : {
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22 | *startup.o (.text) /* startup code (ARM vectors and reset handler) */
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23 | . = ALIGN(0x4);
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24 | } >ROM
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25 |
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26 | .ramvect : { /* used for vectors remapped to RAM */
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27 | __ram_start = .;
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28 | . = 0x40;
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29 | } >RAM
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30 |
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31 | .fastcode : {
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32 | __fastcode_load = LOADADDR (.fastcode);
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33 | __fastcode_start = .;
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34 |
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35 | *(.glue_7t) *(.glue_7)
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36 | *isr.o (.text.*)
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37 | *(.text.fastcode)
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38 | *(.text.Blinky_dispatch)
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39 | /* add other modules here ... */
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40 |
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41 | . = ALIGN (4);
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42 | __fastcode_end = .;
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43 | } >RAM AT>ROM
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44 |
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45 | .text : {
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46 | CREATE_OBJECT_SYMBOLS
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47 | *(.text .text.* .gnu.linkonce.t.*)
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48 | *(.plt)
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49 | *(.gnu.warning)
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50 | *(.glue_7t) *(.glue_7) /* NOTE: placed already in .fastcode */
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51 |
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52 | . = ALIGN (4);
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53 | /* These are for static constructors and destructors under ELF */
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54 | KEEP (*crtbegin.o(.ctors))
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55 | KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
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56 | KEEP (*(SORT(.ctors.*)))
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57 | KEEP (*crtend.o(.ctors))
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58 | KEEP (*crtbegin.o(.dtors))
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59 | KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
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60 | KEEP (*(SORT(.dtors.*)))
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61 | KEEP (*crtend.o(.dtors))
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62 |
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63 | *(.rodata .rodata.* .gnu.linkonce.r.*)
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64 |
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65 | *(.ARM.extab* .gnu.linkonce.armextab.*)
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66 | *(.gcc_except_table)
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67 | *(.eh_frame_hdr)
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68 | *(.eh_frame)
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69 |
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70 | *(.init)
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71 | *(.fini)
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72 |
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73 | PROVIDE_HIDDEN (__preinit_array_start = .);
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74 | KEEP (*(.preinit_array))
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75 | PROVIDE_HIDDEN (__preinit_array_end = .);
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76 | PROVIDE_HIDDEN (__init_array_start = .);
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77 | KEEP (*(SORT(.init_array.*)))
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78 | KEEP (*(.init_array))
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79 | PROVIDE_HIDDEN (__init_array_end = .);
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80 | PROVIDE_HIDDEN (__fini_array_start = .);
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81 | KEEP (*(.fini_array))
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82 | KEEP (*(SORT(.fini_array.*)))
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83 | PROVIDE_HIDDEN (__fini_array_end = .);
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84 | } >ROM
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85 |
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86 | /* .ARM.exidx is sorted, so has to go in its own output section. */
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87 | .ARM.exidx : {
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88 | __exidx_start = .;
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89 | *(.ARM.exidx* .gnu.linkonce.armexidx.*)
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90 | __exidx_end = .;
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91 | } >ROM
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92 | _etext = .;
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93 |
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94 | .data : {
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95 | __data_load = LOADADDR (.data);
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96 | __data_start = .;
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97 | KEEP(*(.jcr))
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98 | *(.got.plt) *(.got)
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99 | *(.shdata)
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100 | *(.data .data.* .gnu.linkonce.d.*)
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101 | . = ALIGN (4);
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102 | _edata = .;
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103 | } >RAM AT>ROM
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104 |
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105 | .bss : {
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106 | __bss_start__ = . ;
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107 | *(.shbss)
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108 | *(.bss .bss.* .gnu.linkonce.b.*)
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109 | *(COMMON)
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110 | . = ALIGN (8);
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111 | __bss_end__ = .;
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112 | } >RAM
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113 |
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114 | .stack : {
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115 | __stack_start__ = . ;
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116 |
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117 | . += IRQ_STACK_SIZE;
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118 | . = ALIGN (4);
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119 | __irq_stack_top__ = . ;
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120 |
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121 | . += FIQ_STACK_SIZE;
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122 | . = ALIGN (4);
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123 | __fiq_stack_top__ = . ;
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124 |
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125 | . += SVC_STACK_SIZE;
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126 | . = ALIGN (4);
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127 | __svc_stack_top__ = . ;
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128 |
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129 | . += ABT_STACK_SIZE;
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130 | . = ALIGN (4);
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131 | __abt_stack_top__ = . ;
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132 |
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133 | . += UND_STACK_SIZE;
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134 | . = ALIGN (4);
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135 | __und_stack_top__ = . ;
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136 |
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137 | . += C_STACK_SIZE;
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138 | . = ALIGN (4);
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139 | __c_stack_top__ = . ;
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140 |
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141 | __stack_end__ = .;
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142 | } >RAM
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143 |
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144 | _end = . ;
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145 | __end = . ;
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146 | PROVIDE(end = .);
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147 |
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148 | .stab 0 (NOLOAD) : {
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149 | *(.stab)
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150 | }
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151 |
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152 | .stabstr 0 (NOLOAD) : {
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153 | *(.stabstr)
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154 | }
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155 |
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156 | /* DWARF debug sections.
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157 | * Symbols in the DWARF debugging sections are relative to the beginning
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158 | * of the section so we begin them at 0.
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159 | */
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160 | /* DWARF 1 */
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161 | .debug 0 : { *(.debug) }
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162 | .line 0 : { *(.line) }
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163 | /* GNU DWARF 1 extensions */
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164 | .debug_srcinfo 0 : { *(.debug_srcinfo) }
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165 | .debug_sfnames 0 : { *(.debug_sfnames) }
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166 | /* DWARF 1.1 and DWARF 2 */
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167 | .debug_aranges 0 : { *(.debug_aranges) }
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168 | .debug_pubnames 0 : { *(.debug_pubnames) }
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169 | /* DWARF 2 */
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170 | .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) }
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171 | .debug_abbrev 0 : { *(.debug_abbrev) }
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172 | .debug_line 0 : { *(.debug_line) }
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173 | .debug_frame 0 : { *(.debug_frame) }
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174 | .debug_str 0 : { *(.debug_str) }
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175 | .debug_loc 0 : { *(.debug_loc) }
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176 | .debug_macinfo 0 : { *(.debug_macinfo) }
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177 | /* SGI/MIPS DWARF 2 extensions */
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178 | .debug_weaknames 0 : { *(.debug_weaknames) }
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179 | .debug_funcnames 0 : { *(.debug_funcnames) }
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180 | .debug_typenames 0 : { *(.debug_typenames) }
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181 | .debug_varnames 0 : { *(.debug_varnames) }
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182 | .note.gnu.arm.ident 0 : { KEEP (*(.note.gnu.arm.ident)) }
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183 | .ARM.attributes 0 : { KEEP (*(.ARM.attributes)) }
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184 | /DISCARD/ : { *(.note.GNU-stack) }
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185 | }
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186 |
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187 | /*** EOF ***/
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