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 | |
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5 | #define LOAD_OFFSET __PAGE_OFFSET |
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6 | |
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7 | #include <asm-generic/vmlinux.lds.h> |
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8 | #include <asm/thread_info.h> |
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9 | #include <asm/page.h> |
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10 | #include <asm/cache.h> |
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11 | |
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12 | OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386") |
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13 | OUTPUT_ARCH(i386) |
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14 | ENTRY(phys_startup_32) |
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15 | jiffies = jiffies_64; |
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16 | |
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17 | PHDRS { |
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18 | text PT_LOAD FLAGS(5); /* R_E */ |
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19 | data PT_LOAD FLAGS(7); /* RWE */ |
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20 | note PT_NOTE FLAGS(4); /* R__ */ |
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21 | } |
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22 | SECTIONS |
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23 | { |
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24 | . = __KERNEL_START; |
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25 | phys_startup_32 = startup_32 - LOAD_OFFSET; |
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26 | /* read-only */ |
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27 | _text = .; /* Text and read-only data */ |
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28 | .text : AT(ADDR(.text) - LOAD_OFFSET) { |
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29 | *(.text) |
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30 | SCHED_TEXT |
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31 | LOCK_TEXT |
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32 | KPROBES_TEXT |
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33 | *(.fixup) |
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34 | *(.gnu.warning) |
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35 | } :text = 0x9090 |
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36 | |
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37 | _etext = .; /* End of text section */ |
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38 | |
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39 | . = ALIGN(16); /* Exception table */ |
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40 | __start___ex_table = .; |
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41 | __ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) { *(__ex_table) } |
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42 | __stop___ex_table = .; |
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43 | |
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44 | RODATA |
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45 | |
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46 | . = ALIGN(4); |
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47 | __tracedata_start = .; |
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48 | .tracedata : AT(ADDR(.tracedata) - LOAD_OFFSET) { |
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49 | *(.tracedata) |
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50 | } |
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51 | __tracedata_end = .; |
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52 | |
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53 | /* writeable */ |
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54 | . = ALIGN(4096); |
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55 | .data : AT(ADDR(.data) - LOAD_OFFSET) { /* Data */ |
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56 | *(.data) |
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57 | CONSTRUCTORS |
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58 | } :data |
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59 | |
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60 | . = ALIGN(4096); |
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61 | __nosave_begin = .; |
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62 | .data_nosave : AT(ADDR(.data_nosave) - LOAD_OFFSET) { *(.data.nosave) } |
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63 | . = ALIGN(4096); |
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64 | __nosave_end = .; |
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65 | |
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66 | . = ALIGN(4096); |
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67 | .data.page_aligned : AT(ADDR(.data.page_aligned) - LOAD_OFFSET) { |
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68 | *(.data.idt) |
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69 | } |
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70 | |
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71 | . = ALIGN(32); |
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72 | .data.cacheline_aligned : AT(ADDR(.data.cacheline_aligned) - LOAD_OFFSET) { |
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73 | *(.data.cacheline_aligned) |
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74 | } |
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75 | |
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76 | /* rarely changed data like cpu maps */ |
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77 | . = ALIGN(32); |
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78 | .data.read_mostly : AT(ADDR(.data.read_mostly) - LOAD_OFFSET) { *(.data.read_mostly) } |
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79 | _edata = .; /* End of data section */ |
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80 | |
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81 | #ifdef CONFIG_STACK_UNWIND |
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82 | . = ALIGN(4); |
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83 | .eh_frame : AT(ADDR(.eh_frame) - LOAD_OFFSET) { |
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84 | __start_unwind = .; |
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85 | *(.eh_frame) |
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86 | __end_unwind = .; |
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87 | } |
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88 | #endif |
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89 | |
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90 | . = ALIGN(THREAD_SIZE); /* init_task */ |
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91 | .data.init_task : AT(ADDR(.data.init_task) - LOAD_OFFSET) { |
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92 | *(.data.init_task) |
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93 | } |
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94 | |
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95 | /* might get freed after init */ |
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96 | . = ALIGN(4096); |
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97 | __smp_alt_begin = .; |
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98 | __smp_alt_instructions = .; |
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99 | .smp_altinstructions : AT(ADDR(.smp_altinstructions) - LOAD_OFFSET) { |
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100 | *(.smp_altinstructions) |
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101 | } |
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102 | __smp_alt_instructions_end = .; |
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103 | . = ALIGN(4); |
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104 | __smp_locks = .; |
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105 | .smp_locks : AT(ADDR(.smp_locks) - LOAD_OFFSET) { |
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106 | *(.smp_locks) |
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107 | } |
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108 | __smp_locks_end = .; |
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109 | .smp_altinstr_replacement : AT(ADDR(.smp_altinstr_replacement) - LOAD_OFFSET) { |
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110 | *(.smp_altinstr_replacement) |
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111 | } |
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112 | . = ALIGN(4096); |
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113 | __smp_alt_end = .; |
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114 | |
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115 | /* will be freed after init */ |
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116 | . = ALIGN(4096); /* Init code and data */ |
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117 | __init_begin = .; |
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118 | .init.text : AT(ADDR(.init.text) - LOAD_OFFSET) { |
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119 | _sinittext = .; |
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120 | *(.init.text) |
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121 | _einittext = .; |
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122 | } |
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123 | .init.data : AT(ADDR(.init.data) - LOAD_OFFSET) { *(.init.data) } |
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124 | . = ALIGN(16); |
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125 | __setup_start = .; |
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126 | .init.setup : AT(ADDR(.init.setup) - LOAD_OFFSET) { *(.init.setup) } |
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127 | __setup_end = .; |
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128 | __initcall_start = .; |
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129 | .initcall.init : AT(ADDR(.initcall.init) - LOAD_OFFSET) { |
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130 | *(.initcall1.init) |
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131 | *(.initcall2.init) |
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132 | *(.initcall3.init) |
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133 | *(.initcall4.init) |
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134 | *(.initcall5.init) |
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135 | *(.initcall6.init) |
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136 | *(.initcall7.init) |
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137 | } |
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138 | __initcall_end = .; |
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139 | __con_initcall_start = .; |
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140 | .con_initcall.init : AT(ADDR(.con_initcall.init) - LOAD_OFFSET) { |
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141 | *(.con_initcall.init) |
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142 | } |
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143 | __con_initcall_end = .; |
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144 | SECURITY_INIT |
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145 | . = ALIGN(4); |
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146 | __alt_instructions = .; |
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147 | .altinstructions : AT(ADDR(.altinstructions) - LOAD_OFFSET) { |
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148 | *(.altinstructions) |
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149 | } |
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150 | __alt_instructions_end = .; |
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151 | .altinstr_replacement : AT(ADDR(.altinstr_replacement) - LOAD_OFFSET) { |
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152 | *(.altinstr_replacement) |
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153 | } |
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154 | /* .exit.text is discard at runtime, not link time, to deal with references |
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155 | from .altinstructions and .eh_frame */ |
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156 | .exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET) { *(.exit.text) } |
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157 | .exit.data : AT(ADDR(.exit.data) - LOAD_OFFSET) { *(.exit.data) } |
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158 | . = ALIGN(4096); |
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159 | __initramfs_start = .; |
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160 | .init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) { *(.init.ramfs) } |
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161 | __initramfs_end = .; |
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162 | . = ALIGN(L1_CACHE_BYTES); |
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163 | __per_cpu_start = .; |
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164 | .data.percpu : AT(ADDR(.data.percpu) - LOAD_OFFSET) { *(.data.percpu) } |
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165 | __per_cpu_end = .; |
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166 | . = ALIGN(4096); |
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167 | __init_end = .; |
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168 | /* freed after init ends here */ |
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169 | |
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170 | __bss_start = .; /* BSS */ |
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171 | .bss.page_aligned : AT(ADDR(.bss.page_aligned) - LOAD_OFFSET) { |
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172 | *(.bss.page_aligned) |
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173 | } |
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174 | .bss : AT(ADDR(.bss) - LOAD_OFFSET) { |
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175 | *(.bss) |
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176 | } |
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177 | . = ALIGN(4); |
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178 | __bss_stop = .; |
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179 | |
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180 | _end = . ; |
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181 | |
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182 | /* This is where the kernel creates the early boot page tables */ |
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183 | . = ALIGN(4096); |
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184 | pg0 = .; |
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185 | |
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186 | /* Sections to be discarded */ |
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187 | /DISCARD/ : { |
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188 | *(.exitcall.exit) |
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189 | } |
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190 | |
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191 | STABS_DEBUG |
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192 | |
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193 | DWARF_DEBUG |
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194 | |
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195 | NOTES |
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196 | } |
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