1 | OUTPUT_FORMAT("elf32-powerpc", "elf32-powerpc", |
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2 | "elf32-powerpc") |
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3 | OUTPUT_ARCH(powerpc) |
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4 | ENTRY(_start) |
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5 | |
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6 | /* |
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7 | * Number of Decrementer countdowns per millisecond |
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8 | * |
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9 | * Calculated by: (66.67 Mhz * 1000) / 4 cycles per click |
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10 | * |
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11 | |
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12 | PROVIDE(CPU_PPC_CLICKS_PER_MS = 16667); |
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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 : ORIGIN = 0x41000, LENGTH = 32M |
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18 | EPROM : ORIGIN = 0xFFF00000, LENGTH = 0x20000 |
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19 | } |
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20 | |
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21 | SECTIONS |
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22 | { |
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23 | /* Read-only sections, merged into text segment: */ |
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24 | /* . = 0x40000 + SIZEOF_HEADERS; */ |
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25 | /* . = 0x1000000;*/ |
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26 | . = 0x41000; |
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27 | .interp : { *(.interp) } |
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28 | .hash : { *(.hash) } |
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29 | .dynsym : { *(.dynsym) } |
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30 | .dynstr : { *(.dynstr) } |
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31 | .rela.text : { *(.rela.text) } |
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32 | .rela.data : { *(.rela.data) } |
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33 | .rela.rodata : { *(.rela.rodata) } |
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34 | .rela.got : { *(.rela.got) } |
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35 | .rela.got1 : { *(.rela.got1) } |
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36 | .rela.got2 : { *(.rela.got2) } |
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37 | .rela.ctors : { *(.rela.ctors) } |
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38 | .rela.dtors : { *(.rela.dtors) } |
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39 | .rela.init : { *(.rela.init) } |
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40 | .rela.fini : { *(.rela.fini) } |
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41 | .rela.bss : { *(.rela.bss) } |
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42 | .rela.plt : { *(.rela.plt) } |
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43 | .rela.sdata : { *(.rela.sdata2) } |
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44 | .rela.sbss : { *(.rela.sbss2) } |
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45 | .rela.sdata2 : { *(.rela.sdata2) } |
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46 | .rela.sbss2 : { *(.rela.sbss2) } |
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47 | .plt : { *(.plt) } |
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48 | .text : |
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49 | { |
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50 | *(.text) |
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51 | *(.gnu.linkonce.t.*) |
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52 | *(.descriptors) |
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53 | /* .gnu.warning sections are handled specially by elf32.em. */ |
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54 | *(.gnu.warning) |
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55 | } >RAM |
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56 | .init : { *(.init) } >RAM |
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57 | .fini : { *(.fini) } >RAM |
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58 | .rodata : { *(.rodata) *(.gnu.linkonce.r*) } >RAM |
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59 | .rodata1 : { *(.rodata1) } >RAM |
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60 | _etext = .; |
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61 | PROVIDE (etext = .); |
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62 | PROVIDE (__SDATA2_START__ = .); |
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63 | .sdata2 : { *(.sdata2) } >RAM |
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64 | .sbss2 : { *(.sbss2) } >RAM |
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65 | PROVIDE (__SBSS2_END__ = .); |
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66 | /* Adjust the address for the data segment. We want to adjust up to |
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67 | the same address within the page on the next page up. It would |
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68 | be more correct to do this: |
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69 | . = ALIGN(0x40000) + (ALIGN(8) & (0x40000 - 1)); |
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70 | The current expression does not correctly handle the case of a |
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71 | text segment ending precisely at the end of a page; it causes the |
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72 | data segment to skip a page. The above expression does not have |
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73 | this problem, but it will currently (2/95) cause BFD to allocate |
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74 | a single segment, combining both text and data, for this case. |
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75 | This will prevent the text segment from being shared among |
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76 | multiple executions of the program; I think that is more |
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77 | important than losing a page of the virtual address space (note |
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78 | that no actual memory is lost; the page which is skipped can not |
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79 | be referenced). */ |
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80 | . = ALIGN(8) + 0x40000; |
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81 | PROVIDE (sdata = .); |
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82 | .data : |
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83 | { |
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84 | *(.data) |
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85 | *(.gnu.linkonce.d.*) |
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86 | CONSTRUCTORS |
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87 | } >RAM |
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88 | PROVIDE (__EXCEPT_START__ = .); |
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89 | .gcc_except_table : { *(.gcc_except_table) } >RAM |
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90 | PROVIDE (__EXCEPT_END__ = .); |
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91 | |
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92 | .data1 : { *(.data1) } >RAM |
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93 | .got1 : { *(.got1) } >RAM |
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94 | .dynamic : { *(.dynamic) } >RAM |
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95 | /* Put .ctors and .dtors next to the .got2 section, so that the pointers |
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96 | get relocated with -mrelocatable. Also put in the .fixup pointers. |
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97 | The current compiler no longer needs this, but keep it around for 2.7.2 */ |
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98 | PROVIDE (_GOT2_START_ = .); |
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99 | PROVIDE (__GOT2_START__ = .); |
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100 | .got2 : { *(.got2) } >RAM |
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101 | PROVIDE (_GOT2_END_ = .); |
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102 | PROVIDE (__GOT2_END__ = .); |
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103 | |
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104 | PROVIDE (__CTOR_LIST__ = .); |
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105 | .ctors : { *(.ctors) } >RAM |
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106 | PROVIDE (__CTOR_END__ = .); |
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107 | |
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108 | PROVIDE (__DTOR_LIST__ = .); |
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109 | .dtors : { *(.dtors) } >RAM |
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110 | PROVIDE (__DTOR_END__ = .); |
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111 | |
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112 | PROVIDE (_FIXUP_START_ = .); |
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113 | PROVIDE (__FIXUP_START__ = .); |
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114 | .fixup : { *(.fixup) } >RAM |
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115 | PROVIDE (_FIXUP_END_ = .); |
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116 | PROVIDE (__FIXUP_END__ = .); |
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117 | |
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118 | PROVIDE (_GOT2_END_ = .); |
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119 | PROVIDE (_GOT_START_ = .); |
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120 | s.got = .; |
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121 | .got : { *(.got) } >RAM |
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122 | .got.plt : { *(.got.plt) } >RAM |
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123 | PROVIDE (_GOT_END_ = .); |
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124 | PROVIDE (__GOT_END__ = .); |
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125 | |
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126 | /* We want the small data sections together, so single-instruction offsets |
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127 | can access them all, and initialized data all before uninitialized, so |
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128 | we can shorten the on-disk segment size. */ |
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129 | PROVIDE (__SDATA_START__ = .); |
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130 | .sdata : { *(.sdata) } >RAM |
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131 | _edata = .; |
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132 | PROVIDE (edata = .); |
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133 | |
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134 | PROVIDE (RAM_END = 4M); |
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135 | .sbss : |
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136 | { |
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137 | PROVIDE (__sbss_start = .); |
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138 | *(.sbss) |
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139 | *(.scommon) |
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140 | PROVIDE (__sbss_end = .); |
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141 | } >RAM |
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142 | PROVIDE (__SBSS_END__ = .); |
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143 | .bss : |
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144 | { |
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145 | PROVIDE (__bss_start = .); |
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146 | *(.dynbss) |
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147 | *(.bss) |
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148 | *(COMMON) |
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149 | } >RAM |
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150 | . = ALIGN(8) + 0x8000; |
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151 | PROVIDE (__stack = .); |
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152 | _end = . ; |
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153 | PROVIDE (end = .); |
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154 | |
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155 | /* These are needed for ELF backends which have not yet been |
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156 | converted to the new style linker. */ |
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157 | .stab 0 : { *(.stab) } |
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158 | .stabstr 0 : { *(.stabstr) } |
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159 | /* DWARF debug sections. |
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160 | Symbols in the DWARF debugging sections are relative to the beginning |
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161 | of the section so we begin them at 0. */ |
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162 | /* DWARF 1 */ |
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163 | .debug 0 : { *(.debug) } |
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164 | .line 0 : { *(.line) } |
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165 | /* GNU DWARF 1 extensions */ |
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166 | .debug_srcinfo 0 : { *(.debug_srcinfo) } |
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167 | .debug_sfnames 0 : { *(.debug_sfnames) } |
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168 | /* DWARF 1.1 and DWARF 2 */ |
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169 | .debug_aranges 0 : { *(.debug_aranges) } |
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170 | .debug_pubnames 0 : { *(.debug_pubnames) } |
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171 | /* DWARF 2 */ |
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172 | .debug_info 0 : { *(.debug_info) } |
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173 | .debug_abbrev 0 : { *(.debug_abbrev) } |
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174 | .debug_line 0 : { *(.debug_line) } |
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175 | .debug_frame 0 : { *(.debug_frame) } |
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176 | .debug_str 0 : { *(.debug_str) } |
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177 | .debug_loc 0 : { *(.debug_loc) } |
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178 | .debug_macinfo 0 : { *(.debug_macinfo) } |
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179 | /* SGI/MIPS DWARF 2 extensions */ |
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180 | .debug_weaknames 0 : { *(.debug_weaknames) } |
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181 | .debug_funcnames 0 : { *(.debug_funcnames) } |
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182 | .debug_typenames 0 : { *(.debug_typenames) } |
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183 | .debug_varnames 0 : { *(.debug_varnames) } |
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184 | /* These must appear regardless of . */ |
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185 | } |
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