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1 /* Default linker script, for normal executables */ |
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2 OUTPUT_FORMAT("elf64-x86-64", "elf64-x86-64", "elf64-x86-64") |
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3 OUTPUT_ARCH(i386:x86-64) |
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4 ENTRY(_start) |
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5 SEARCH_DIR("/lib64"); SEARCH_DIR("/usr/lib64"); SEARCH_DIR("/usr/local/lib64"); |
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6 SECTIONS |
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7 { |
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8 /* Reserve a chunk of memory at a low address to prevent the host ld.so |
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9 loading shared libraries where we want to put the target application. */ |
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10 /* Older linkers can't add an extra program header for .reserved when |
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11 SIZEOF_HEADERS is user. Instead leave a chunk of space for them. */ |
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12 /* Unfortunately this also effects the placement of program headers. |
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13 Deliberately place it at a misaligned address before the area we want |
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14 so that program headers can be allocated there. */ |
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15 . = 0x1f00; |
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16 .reserved : { *(.reserved) } |
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17 /* Reserve a second area for programs linked at this address (PowerPC). */ |
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18 . = 0x10000000; |
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19 .reserved2 : { *(.reserved2) } |
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20 /* Read-only sections, merged into text segment: */ |
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21 /* Leave space for headers for system emulation. */ |
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22 . = 0x60000000 + 0xf00; |
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23 .interp : { *(.interp) } |
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24 .hash : { *(.hash) } |
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25 .dynsym : { *(.dynsym) } |
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26 .dynstr : { *(.dynstr) } |
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27 .gnu.version : { *(.gnu.version) } |
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28 .gnu.version_d : { *(.gnu.version_d) } |
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29 .gnu.version_r : { *(.gnu.version_r) } |
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30 .rel.init : { *(.rel.init) } |
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31 .rela.init : { *(.rela.init) } |
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32 .rel.text : { *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*) } |
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33 .rela.text : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) } |
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34 .rel.fini : { *(.rel.fini) } |
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35 .rela.fini : { *(.rela.fini) } |
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36 .rel.rodata : { *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*) } |
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37 .rela.rodata : { *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) } |
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38 .rel.data : { *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*) } |
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39 .rela.data : { *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) } |
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40 .rel.tdata : { *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*) } |
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41 .rela.tdata : { *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) } |
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42 .rel.tbss : { *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*) } |
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43 .rela.tbss : { *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) } |
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44 .rel.ctors : { *(.rel.ctors) } |
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45 .rela.ctors : { *(.rela.ctors) } |
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46 .rel.dtors : { *(.rel.dtors) } |
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47 .rela.dtors : { *(.rela.dtors) } |
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48 .rel.got : { *(.rel.got) } |
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49 .rela.got : { *(.rela.got) } |
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50 .rel.bss : { *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*) } |
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51 .rela.bss : { *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) } |
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52 .rel.plt : { *(.rel.plt) } |
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53 .rela.plt : { *(.rela.plt) } |
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54 .init : |
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55 { |
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56 KEEP (*(.init)) |
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57 } =0x90909090 |
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58 .plt : { *(.plt) } |
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59 .text : |
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60 { |
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61 *(.text .stub .text.* .gnu.linkonce.t.*) |
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62 /* .gnu.warning sections are handled specially by elf32.em. */ |
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63 *(.gnu.warning) |
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64 } =0x90909090 |
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65 .fini : |
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66 { |
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67 KEEP (*(.fini)) |
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68 } =0x90909090 |
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69 PROVIDE (__etext = .); |
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70 PROVIDE (_etext = .); |
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71 PROVIDE (etext = .); |
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72 .rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) } |
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73 .rodata1 : { *(.rodata1) } |
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74 .eh_frame_hdr : { *(.eh_frame_hdr) } |
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75 .eh_frame : ONLY_IF_RO { KEEP (*(.eh_frame)) } |
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76 .gcc_except_table : ONLY_IF_RO { *(.gcc_except_table) } |
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77 /* Adjust the address for the data segment. We want to adjust up to |
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78 the same address within the page on the next page up. */ |
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79 . = ALIGN (0x100000) - ((0x100000 - .) & (0x100000 - 1)); . = DATA_SEGMENT_ALIGN (0x100000, 0x1000); |
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80 /* Ensure the __preinit_array_start label is properly aligned. We |
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81 could instead move the label definition inside the section, but |
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82 the linker would then create the section even if it turns out to |
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83 be empty, which isn't pretty. */ |
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84 . = ALIGN(64 / 8); |
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85 PROVIDE (__preinit_array_start = .); |
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86 .preinit_array : { *(.preinit_array) } |
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87 PROVIDE (__preinit_array_end = .); |
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88 PROVIDE (__init_array_start = .); |
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89 .init_array : { *(.init_array) } |
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90 PROVIDE (__init_array_end = .); |
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91 PROVIDE (__fini_array_start = .); |
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92 .fini_array : { *(.fini_array) } |
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93 PROVIDE (__fini_array_end = .); |
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94 .data : |
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95 { |
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96 *(.data .data.* .gnu.linkonce.d.*) |
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97 SORT(CONSTRUCTORS) |
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98 } |
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99 .data1 : { *(.data1) } |
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100 .tdata : { *(.tdata .tdata.* .gnu.linkonce.td.*) } |
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101 .tbss : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) } |
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102 .eh_frame : ONLY_IF_RW { KEEP (*(.eh_frame)) } |
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103 .gcc_except_table : ONLY_IF_RW { *(.gcc_except_table) } |
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104 .dynamic : { *(.dynamic) } |
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105 .ctors : |
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106 { |
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107 /* gcc uses crtbegin.o to find the start of |
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108 the constructors, so we make sure it is |
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109 first. Because this is a wildcard, it |
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110 doesn't matter if the user does not |
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111 actually link against crtbegin.o; the |
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112 linker won't look for a file to match a |
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113 wildcard. The wildcard also means that it |
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114 doesn't matter which directory crtbegin.o |
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115 is in. */ |
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116 KEEP (*crtbegin.o(.ctors)) |
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117 /* We don't want to include the .ctor section from |
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118 from the crtend.o file until after the sorted ctors. |
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119 The .ctor section from the crtend file contains the |
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120 end of ctors marker and it must be last */ |
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121 KEEP (*(EXCLUDE_FILE (*crtend.o ) .ctors)) |
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122 KEEP (*(SORT(.ctors.*))) |
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123 KEEP (*(.ctors)) |
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124 } |
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125 .dtors : |
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126 { |
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127 KEEP (*crtbegin.o(.dtors)) |
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128 KEEP (*(EXCLUDE_FILE (*crtend.o ) .dtors)) |
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129 KEEP (*(SORT(.dtors.*))) |
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130 KEEP (*(.dtors)) |
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131 } |
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132 .jcr : { KEEP (*(.jcr)) } |
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133 .got : { *(.got.plt) *(.got) } |
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134 _edata = .; |
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135 PROVIDE (edata = .); |
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136 __bss_start = .; |
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137 .bss : |
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138 { |
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139 *(.dynbss) |
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140 *(.bss .bss.* .gnu.linkonce.b.*) |
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141 *(COMMON) |
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142 /* Align here to ensure that the .bss section occupies space up to |
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143 _end. Align after .bss to ensure correct alignment even if the |
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144 .bss section disappears because there are no input sections. */ |
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145 . = ALIGN(64 / 8); |
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146 } |
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147 . = ALIGN(64 / 8); |
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148 _end = .; |
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149 PROVIDE (end = .); |
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150 . = DATA_SEGMENT_END (.); |
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151 /* Stabs debugging sections. */ |
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152 .stab 0 : { *(.stab) } |
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153 .stabstr 0 : { *(.stabstr) } |
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154 .stab.excl 0 : { *(.stab.excl) } |
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155 .stab.exclstr 0 : { *(.stab.exclstr) } |
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156 .stab.index 0 : { *(.stab.index) } |
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157 .stab.indexstr 0 : { *(.stab.indexstr) } |
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158 .comment 0 : { *(.comment) } |
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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 .gnu.linkonce.wi.*) } |
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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 } |