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1 /* ld script to make i386 Linux kernel |
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2 * Written by Martin Mares <mj@atrey.karlin.mff.cuni.cz>; |
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3 */ |
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4 OUTPUT_FORMAT("elf32-powerpc", "elf32-powerpc", "elf32-powerpc") |
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5 OUTPUT_ARCH(powerpc:common) |
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6 SEARCH_DIR(/usr/powerpc-linux-gnu/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib) |
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7 ENTRY(_start) |
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8 SECTIONS |
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9 { |
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10 /* Reserve a chunk of memory at a low address to prevent the host ld.so |
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11 loading shared libraries where we want to put the target application. */ |
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12 . = 0x10000; |
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13 .reserved : { *(.reserved) } |
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14 /* Read-only sections, merged into text segment: */ |
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15 /* Older linkers can't add an extra program header for .reserved when |
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16 SIZEOF_HEADERS is user. Instead leave a chunk of space for them. */ |
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17 . = 0x60000000 + 0x10000 /*SIZEOF_HEADERS*/; |
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18 .interp : { *(.interp) } |
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19 .hash : { *(.hash) } |
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20 .dynsym : { *(.dynsym) } |
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21 .dynstr : { *(.dynstr) } |
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22 .gnu.version : { *(.gnu.version) } |
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23 .gnu.version_d : { *(.gnu.version_d) } |
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24 .gnu.version_r : { *(.gnu.version_r) } |
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25 .rel.init : { *(.rel.init) } |
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26 .rela.init : { *(.rela.init) } |
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27 .rel.text : { *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*) } |
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28 .rela.text : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) } |
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29 .rel.fini : { *(.rel.fini) } |
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30 .rela.fini : { *(.rela.fini) } |
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31 .rel.rodata : { *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*) } |
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32 .rela.rodata : { *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) } |
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33 .rel.data.rel.ro : { *(.rel.data.rel.ro* .rel.gnu.linkonce.d.rel.ro.*) } |
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34 .rela.data.rel.ro : { *(.rela.data.rel.ro* .rela.gnu.linkonce.d.rel.ro.*) } |
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35 .rel.data : { *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*) } |
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36 .rela.data : { *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) } |
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37 .rel.tdata : { *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*) } |
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38 .rela.tdata : { *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) } |
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39 .rel.tbss : { *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*) } |
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40 .rela.tbss : { *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) } |
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41 .rel.ctors : { *(.rel.ctors) } |
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42 .rela.ctors : { *(.rela.ctors) } |
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43 .rel.dtors : { *(.rel.dtors) } |
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44 .rela.dtors : { *(.rela.dtors) } |
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45 .rel.got : { *(.rel.got) } |
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46 .rela.got : { *(.rela.got) } |
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47 .rela.got1 : { *(.rela.got1) } |
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48 .rela.got2 : { *(.rela.got2) } |
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49 .rel.sdata : { *(.rel.sdata .rel.sdata.* .rel.gnu.linkonce.s.*) } |
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50 .rela.sdata : { *(.rela.sdata .rela.sdata.* .rela.gnu.linkonce.s.*) } |
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51 .rel.sbss : { *(.rel.sbss .rel.sbss.* .rel.gnu.linkonce.sb.*) } |
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52 .rela.sbss : { *(.rela.sbss .rela.sbss.* .rela.gnu.linkonce.sb.*) } |
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53 .rel.sdata2 : { *(.rel.sdata2 .rel.sdata2.* .rel.gnu.linkonce.s2.*) } |
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54 .rela.sdata2 : { *(.rela.sdata2 .rela.sdata2.* .rela.gnu.linkonce.s2.*) } |
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55 .rel.sbss2 : { *(.rel.sbss2 .rel.sbss2.* .rel.gnu.linkonce.sb2.*) } |
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56 .rela.sbss2 : { *(.rela.sbss2 .rela.sbss2.* .rela.gnu.linkonce.sb2.*) } |
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57 .rel.bss : { *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*) } |
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58 .rela.bss : { *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) } |
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59 .rel.plt : { *(.rel.plt) } |
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60 .rela.plt : { *(.rela.plt) } |
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61 .init : |
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62 { |
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63 KEEP (*(.init)) |
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64 } =0 |
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65 .text : |
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66 { |
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67 *(.text .stub .text.* .gnu.linkonce.t.*) |
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68 KEEP (*(.text.*personality*)) |
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69 /* .gnu.warning sections are handled specially by elf32.em. */ |
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70 *(.gnu.warning) |
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71 *(.glink) |
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72 } =0x47ff041f |
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73 .fini : |
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74 { |
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75 KEEP (*(.fini)) |
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76 } =0x47ff041f |
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77 PROVIDE (__etext = .); |
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78 PROVIDE (_etext = .); |
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79 PROVIDE (etext = .); |
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80 .rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) } |
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81 .rodata1 : { *(.rodata1) } |
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82 .sdata2 : |
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83 { |
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84 PROVIDE (_SDA2_BASE_ = 32768); |
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85 *(.sdata2 .sdata2.* .gnu.linkonce.s2.*) |
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86 } |
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87 .sbss2 : { *(.sbss2 .sbss2.* .gnu.linkonce.sb2.*) } |
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88 .eh_frame_hdr : { *(.eh_frame_hdr) } |
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89 .eh_frame : ONLY_IF_RO { KEEP (*(.eh_frame)) } |
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90 .gcc_except_table : ONLY_IF_RO { *(.gcc_except_table .gcc_except_table.*) } |
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91 /* Adjust the address for the data segment. We want to adjust up to |
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92 the same address within the page on the next page up. */ |
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93 . = ALIGN (0x10000) - ((0x10000 - .) & (0x10000 - 1)); . = DATA_SEGMENT_ALIGN (0x10000, 0x1000); |
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94 /* Exception handling */ |
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95 .eh_frame : ONLY_IF_RW { KEEP (*(.eh_frame)) } |
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96 .gcc_except_table : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) } |
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97 /* Thread Local Storage sections */ |
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98 .tdata : { *(.tdata .tdata.* .gnu.linkonce.td.*) } |
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99 .tbss : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) } |
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100 .preinit_array : |
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101 { |
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102 PROVIDE_HIDDEN (__preinit_array_start = .); |
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103 KEEP (*(.preinit_array)) |
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104 PROVIDE_HIDDEN (__preinit_array_end = .); |
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105 } |
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106 .init_array : |
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107 { |
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108 PROVIDE_HIDDEN (__init_array_start = .); |
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109 KEEP (*(SORT(.init_array.*))) |
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110 KEEP (*(.init_array)) |
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111 PROVIDE_HIDDEN (__init_array_end = .); |
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112 } |
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113 .fini_array : |
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114 { |
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115 PROVIDE_HIDDEN (__fini_array_start = .); |
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116 KEEP (*(.fini_array)) |
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117 KEEP (*(SORT(.fini_array.*))) |
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118 PROVIDE_HIDDEN (__fini_array_end = .); |
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119 } |
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120 .ctors : |
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121 { |
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122 /* gcc uses crtbegin.o to find the start of |
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123 the constructors, so we make sure it is |
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124 first. Because this is a wildcard, it |
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125 doesn't matter if the user does not |
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126 actually link against crtbegin.o; the |
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127 linker won't look for a file to match a |
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128 wildcard. The wildcard also means that it |
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129 doesn't matter which directory crtbegin.o |
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130 is in. */ |
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131 KEEP (*crtbegin*.o(.ctors)) |
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132 /* We don't want to include the .ctor section from |
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133 the crtend.o file until after the sorted ctors. |
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134 The .ctor section from the crtend file contains the |
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135 end of ctors marker and it must be last */ |
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136 KEEP (*(EXCLUDE_FILE (*crtend*.o ) .ctors)) |
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137 KEEP (*(SORT(.ctors.*))) |
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138 KEEP (*(.ctors)) |
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139 } |
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140 .dtors : |
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141 { |
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142 KEEP (*crtbegin*.o(.dtors)) |
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143 KEEP (*(EXCLUDE_FILE (*crtend*.o ) .dtors)) |
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144 KEEP (*(SORT(.dtors.*))) |
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145 KEEP (*(.dtors)) |
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146 } |
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147 .jcr : { KEEP (*(.jcr)) } |
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148 .data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro* .gnu.linkonce.d.rel.ro.*) } |
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149 .got1 : { *(.got1) } |
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150 .got2 : { *(.got2) } |
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151 .dynamic : { *(.dynamic) } |
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152 .got : SPECIAL { *(.got) } |
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153 . = DATA_SEGMENT_RELRO_END (0, .); |
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154 .plt : SPECIAL { *(.plt) } |
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155 .data : |
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156 { |
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157 *(.data .data.* .gnu.linkonce.d.*) |
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158 KEEP (*(.gnu.linkonce.d.*personality*)) |
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159 SORT(CONSTRUCTORS) |
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160 } |
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161 .data1 : { *(.data1) } |
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162 .got : SPECIAL { *(.got) } |
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163 /* We want the small data sections together, so single-instruction offsets |
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164 can access them all, and initialized data all before uninitialized, so |
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165 we can shorten the on-disk segment size. */ |
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166 .sdata : |
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167 { |
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168 PROVIDE (_SDA_BASE_ = 32768); |
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169 *(.sdata .sdata.* .gnu.linkonce.s.*) |
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170 } |
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171 _edata = .; PROVIDE (edata = .); |
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172 __bss_start = .; |
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173 .sbss : |
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174 { |
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175 PROVIDE (__sbss_start = .); PROVIDE (___sbss_start = .); |
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176 *(.dynsbss) |
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177 *(.sbss .sbss.* .gnu.linkonce.sb.*) |
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178 *(.scommon) |
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179 PROVIDE (__sbss_end = .); PROVIDE (___sbss_end = .); |
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180 } |
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181 .plt : SPECIAL { *(.plt) } |
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182 .bss : |
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183 { |
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184 *(.dynbss) |
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185 *(.bss .bss.* .gnu.linkonce.b.*) |
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186 *(COMMON) |
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187 /* Align here to ensure that the .bss section occupies space up to |
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188 _end. Align after .bss to ensure correct alignment even if the |
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189 .bss section disappears because there are no input sections. |
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190 FIXME: Why do we need it? When there is no .bss section, we don't |
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191 pad the .data section. */ |
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192 . = ALIGN(. != 0 ? 32 / 8 : 1); |
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193 } |
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194 . = ALIGN(32 / 8); |
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195 . = ALIGN(32 / 8); |
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196 _end = .; PROVIDE (end = .); |
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197 . = DATA_SEGMENT_END (.); |
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198 /* Stabs debugging sections. */ |
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199 .stab 0 : { *(.stab) } |
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200 .stabstr 0 : { *(.stabstr) } |
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201 .stab.excl 0 : { *(.stab.excl) } |
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202 .stab.exclstr 0 : { *(.stab.exclstr) } |
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203 .stab.index 0 : { *(.stab.index) } |
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204 .stab.indexstr 0 : { *(.stab.indexstr) } |
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205 .comment 0 : { *(.comment) } |
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206 /* DWARF debug sections. |
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207 Symbols in the DWARF debugging sections are relative to the beginning |
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208 of the section so we begin them at 0. */ |
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209 /* DWARF 1 */ |
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210 .debug 0 : { *(.debug) } |
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211 .line 0 : { *(.line) } |
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212 /* GNU DWARF 1 extensions */ |
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213 .debug_srcinfo 0 : { *(.debug_srcinfo) } |
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214 .debug_sfnames 0 : { *(.debug_sfnames) } |
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215 /* DWARF 1.1 and DWARF 2 */ |
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216 .debug_aranges 0 : { *(.debug_aranges) } |
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217 .debug_pubnames 0 : { *(.debug_pubnames) } |
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218 /* DWARF 2 */ |
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219 .debug_info 0 : { *(.debug_info) } |
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220 .debug_abbrev 0 : { *(.debug_abbrev) } |
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221 .debug_line 0 : { *(.debug_line) } |
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222 .debug_frame 0 : { *(.debug_frame) } |
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223 .debug_str 0 : { *(.debug_str) } |
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224 .debug_loc 0 : { *(.debug_loc) } |
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225 .debug_macinfo 0 : { *(.debug_macinfo) } |
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226 /* SGI/MIPS DWARF 2 extensions */ |
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227 .debug_weaknames 0 : { *(.debug_weaknames) } |
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228 .debug_funcnames 0 : { *(.debug_funcnames) } |
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229 .debug_typenames 0 : { *(.debug_typenames) } |
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230 .debug_varnames 0 : { *(.debug_varnames) } |
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231 /* These must appear regardless of . */ |
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232 /DISCARD/ : { *(.fixup) } |
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233 /DISCARD/ : { *(.note.GNU-stack) } |
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234 } |