1 | OUTPUT_FORMAT("elf32-powerpc", "elf32-powerpc", |
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2 | "elf32-powerpc") |
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3 | OUTPUT_ARCH(powerpc:common) |
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4 | ENTRY(_start) |
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5 | MEMORY |
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6 | { |
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7 | RAM : ORIGIN = 0, LENGTH = 4M |
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8 | ROM : ORIGIN = 0xFFFC0000, LENGTH = 0x40000 |
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9 | VECTORS : ORIGIN = 0xFFF00000, LENGTH = 0x20000 |
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10 | RESET : ORIGIN = 0xFFFFFFFC, LENGTH = 0x4 |
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11 | } |
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12 | |
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13 | RamBase = DEFINED(RamBase) ? RamBase : 0x0; |
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14 | RamSize = DEFINED(RamSize) ? RamSize : 4M; |
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15 | HeapSize = DEFINED(HeapSize) ? HeapSize : 0; |
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16 | |
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17 | bsp_section_align = 32; |
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18 | |
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19 | SECTIONS |
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20 | { |
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21 | /* Read-only sections, merged into text segment: */ |
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22 | . = 0xfffc0000; |
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23 | /* |
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24 | .entry_point_section : |
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25 | { |
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26 | } =0 |
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27 | */ |
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28 | |
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29 | .text : |
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30 | { |
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31 | *(.entry_point_section) |
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32 | *(.text .text.* .gnu.linkonce.t.*) |
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33 | *(.eh_frame_hdr*) |
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34 | *(.eh_frame*) |
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35 | |
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36 | /* |
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37 | * Special FreeBSD sysctl sections. |
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38 | */ |
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39 | . = ALIGN (16); |
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40 | __start_set_sysctl_set = .; |
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41 | *(set_sysctl_*); |
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42 | __stop_set_sysctl_set = ABSOLUTE(.); |
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43 | *(set_domain_*); |
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44 | *(set_pseudo_*); |
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45 | |
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46 | /* .gnu.warning sections are handled specially by elf32.em. */ |
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47 | *(.gnu.warning) |
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48 | . = ALIGN (bsp_section_align); |
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49 | __text_end = .; |
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50 | } >ROM =0 |
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51 | .init : |
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52 | { |
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53 | KEEP (*(.init)) |
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54 | } >ROM =0 |
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55 | .fini : |
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56 | { |
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57 | _fini = .; |
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58 | KEEP (*(.fini)) |
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59 | } >ROM =0 |
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60 | |
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61 | /* Put .ctors and .dtors next to the .got2 section, so that the pointers |
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62 | get relocated with -mrelocatable. Also put in the .fixup pointers. |
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63 | The current compiler no longer needs this, but keep it around for 2.7.2 */ |
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64 | PROVIDE (__GOT2_START__ = .); |
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65 | PROVIDE (_GOT2_START_ = .); |
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66 | .got2 : { *(.got2) } >ROM =0 |
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67 | PROVIDE (__GOT2_END__ = .); |
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68 | PROVIDE (_GOT2_END_ = .); |
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69 | |
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70 | PROVIDE (__CTOR_LIST__ = .); |
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71 | .ctors : { *(.ctors) } >ROM =0 |
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72 | PROVIDE (__CTOR_END__ = .); |
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73 | |
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74 | PROVIDE (__DTOR_LIST__ = .); |
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75 | .dtors : { *(.dtors) } >ROM =0 |
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76 | PROVIDE (__DTOR_END__ = .); |
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77 | .jcr : { KEEP (*(.jcr)) } > ROM =0 |
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78 | |
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79 | .rodata : |
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80 | { |
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81 | *(.rodata .rodata.* .gnu.linkonce.r.*) |
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82 | *(.rodata1) |
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83 | . = ALIGN (bsp_section_align); |
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84 | __rodata_end = .; |
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85 | } >ROM =0 |
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86 | |
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87 | .vectors : |
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88 | { |
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89 | . = . + 0x2000; /* skip vector area */ |
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90 | } >RAM |
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91 | |
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92 | __sdata2_load = __rodata_end; |
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93 | .sdata2 : AT (__sdata2_load) |
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94 | { |
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95 | __sdata2_start = .; |
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96 | PROVIDE (_SDA2_BASE_ = 32768); |
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97 | *(.sdata2 .sdata2.* .gnu.linkonce.s2.*) |
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98 | . = ALIGN (bsp_section_align); |
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99 | __sdata2_end = .; |
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100 | } >RAM |
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101 | .sbss2 : |
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102 | { |
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103 | __sbss2_start = .; |
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104 | *(.sbss2 .sbss2.* .gnu.linkonce.sb2.*) |
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105 | . = ALIGN (bsp_section_align); |
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106 | __sbss2_end = .; |
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107 | } >RAM |
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108 | __data_load = __sdata2_load + SIZEOF (.sdata2); |
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109 | .data : AT(__data_load) |
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110 | { |
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111 | __data_start = .; |
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112 | *(.data .data.* .gnu.linkonce.d.*) |
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113 | KEEP (*(.gnu.linkonce.d.*personality*)) |
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114 | SORT(CONSTRUCTORS) |
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115 | *(.data1) |
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116 | . = ALIGN (bsp_section_align); |
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117 | __data_end = .; |
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118 | } >RAM |
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119 | __sdata_load = __data_load + SIZEOF (.data); |
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120 | .sdata : AT(__sdata_load) { |
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121 | __sdata_start = .; |
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122 | PROVIDE (_SDA_BASE_ = 32768); |
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123 | *(.sdata .sdata.* .gnu.linkonce.s.*) |
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124 | |
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125 | . = ALIGN (bsp_section_align); |
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126 | |
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127 | _edata = .; |
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128 | __sdata_end = .; |
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129 | PROVIDE (edata = .); |
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130 | |
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131 | /* |
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132 | * BSP: End of data section |
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133 | */ |
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134 | bsp_section_data_end = .; |
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135 | } > RAM |
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136 | |
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137 | PROVIDE (__EXCEPT_START__ = .); |
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138 | .gcc_except_table : { *(.gcc_except_table*) } >RAM |
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139 | PROVIDE (__EXCEPT_END__ = .); |
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140 | |
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141 | .sbss : |
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142 | { |
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143 | __sbss_start = .; |
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144 | *(.dynsbss) |
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145 | *(.sbss .sbss.* .gnu.linkonce.sb.*) |
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146 | *(.scommon) |
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147 | . = ALIGN (bsp_section_align); |
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148 | __sbss_end = .; |
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149 | } >RAM |
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150 | .bss : |
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151 | { |
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152 | __bss_start = .; |
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153 | *(.dynbss) |
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154 | *(.bss .bss.* .gnu.linkonce.b.*) |
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155 | *(COMMON) |
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156 | . = ALIGN (bsp_section_align); |
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157 | __bss_end = .; |
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158 | |
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159 | /* Allocate the main stack area. Make sure it starts 16bytes aligned |
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160 | to accommodate any possible program expectation. */ |
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161 | _stack = ALIGN(16) + 0x1000; |
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162 | _end = _stack; |
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163 | } >RAM |
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164 | |
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165 | /* |
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166 | * BSP: Interrupt stack |
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167 | */ |
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168 | bsp_interrupt_stack_start = _end; |
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169 | bsp_interrupt_stack_end = bsp_interrupt_stack_start + 32k; |
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170 | bsp_interrupt_stack_size = bsp_interrupt_stack_end - bsp_interrupt_stack_start; |
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171 | |
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172 | bsp_work_area_start = bsp_interrupt_stack_end; |
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173 | WorkAreaBase = bsp_work_area_start; |
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174 | . = RamBase + RamSize; |
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175 | |
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176 | .reset : |
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177 | { |
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178 | KEEP(*(.reset)) |
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179 | } >RESET |
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180 | |
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181 | /* DWARF 1.1 and DWARF 2 */ |
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182 | .debug_aranges 0 : { *(.debug_aranges) } |
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183 | .debug_pubnames 0 : { *(.debug_pubnames) } |
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184 | /* DWARF 2 */ |
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185 | .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) } |
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186 | .debug_abbrev 0 : { *(.debug_abbrev) } |
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187 | .debug_line 0 : { *(.debug_line) } |
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188 | .debug_frame 0 : { *(.debug_frame) } |
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189 | .debug_str 0 : { *(.debug_str) } |
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190 | .debug_loc 0 : { *(.debug_loc) } |
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191 | .debug_macinfo 0 : { *(.debug_macinfo) } |
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192 | /* SGI/MIPS DWARF 2 extensions */ |
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193 | .debug_weaknames 0 : { *(.debug_weaknames) } |
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194 | .debug_funcnames 0 : { *(.debug_funcnames) } |
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195 | .debug_typenames 0 : { *(.debug_typenames) } |
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196 | .debug_varnames 0 : { *(.debug_varnames) } |
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197 | /DISCARD/ : { *(.note.GNU-stack) } |
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198 | } |
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199 | |
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