1 | OUTPUT_FORMAT("elf32-mt", "elf32-mt", "elf32-mt") |
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2 | OUTPUT_ARCH(mt) |
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3 | ENTRY(__boot_start) |
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4 | |
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5 | /* Do we need any of these for elf? |
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6 | __DYNAMIC = 0; */ |
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7 | MEMORY |
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8 | { |
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9 | ram (rwx) : ORIGIN = 0x0, LENGTH = 128K |
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10 | frame-buffer (w) : ORIGIN = 0xde0000, LENGTH = 40K |
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11 | ports (w) : ORIGIN = 0xfff000, LENGTH = 4K |
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12 | dma-ram (w) : ORIGIN = 0x1000000, LENGTH = 16M-4K |
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13 | } |
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14 | SECTIONS |
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15 | { |
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16 | /* Read-only sections, merged into text segment: */ |
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17 | . = 0x0; |
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18 | PROVIDE(__executable_start = 0x0); |
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19 | .interp : { *(.interp) } |
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20 | .hash : { *(.hash) } |
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21 | .dynsym : { *(.dynsym) } |
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22 | .dynstr : { *(.dynstr) } |
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23 | .gnu.version : { *(.gnu.version) } |
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24 | .gnu.version_d : { *(.gnu.version_d) } |
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25 | .gnu.version_r : { *(.gnu.version_r) } |
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26 | .rel.init : { *(.rel.init) } |
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27 | .rela.init : { *(.rela.init) } |
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28 | .rel.text : { *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*) } |
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29 | .rela.text : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) } |
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30 | .rel.fini : { *(.rel.fini) } |
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31 | .rela.fini : { *(.rela.fini) } |
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32 | .rel.rodata : { *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*) } |
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33 | .rela.rodata : { *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) } |
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34 | .rel.data.rel.ro : { *(.rel.data.rel.ro*) } |
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35 | .rela.data.rel.ro : { *(.rela.data.rel.ro*) } |
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36 | .rel.data : { *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*) } |
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37 | .rela.data : { *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) } |
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38 | .rel.tdata : { *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*) } |
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39 | .rela.tdata : { *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) } |
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40 | .rel.tbss : { *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*) } |
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41 | .rela.tbss : { *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) } |
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42 | .rel.ctors : { *(.rel.ctors) } |
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43 | .rela.ctors : { *(.rela.ctors) } |
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44 | .rel.dtors : { *(.rel.dtors) } |
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45 | .rela.dtors : { *(.rela.dtors) } |
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46 | .rel.got : { *(.rel.got) } |
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47 | .rela.got : { *(.rela.got) } |
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48 | .rel.sdata : { *(.rel.sdata .rel.sdata.* .rel.gnu.linkonce.s.*) } |
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49 | .rela.sdata : { *(.rela.sdata .rela.sdata.* .rela.gnu.linkonce.s.*) } |
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50 | .rel.sbss : { *(.rel.sbss .rel.sbss.* .rel.gnu.linkonce.sb.*) } |
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51 | .rela.sbss : { *(.rela.sbss .rela.sbss.* .rel.gnu.linkonce.sb.*) } |
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52 | .rel.sdata2 : { *(.rel.sdata2 .rel.sdata2.* .rel.gnu.linkonce.s2.*) } |
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53 | .rela.sdata2 : { *(.rela.sdata2 .rela.sdata2.* .rela.gnu.linkonce.s2.*) } |
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54 | .rel.sbss2 : { *(.rel.sbss2 .rel.sbss2.* .rel.gnu.linkonce.sb2.*) } |
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55 | .rela.sbss2 : { *(.rela.sbss2 .rela.sbss2.* .rela.gnu.linkonce.sb2.*) } |
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56 | .rel.bss : { *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*) } |
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57 | .rela.bss : { *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) } |
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58 | .rel.plt : { *(.rel.plt) } |
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59 | .rela.plt : { *(.rela.plt) } |
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60 | |
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61 | .startup : { *startup-16-002.o(.startup) } >ram =0 |
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62 | . = 0x40 ; |
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63 | |
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64 | .init : { KEEP (*(.init)) } >ram =0 |
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65 | .plt : { *(.plt) } >ram |
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66 | .text : |
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67 | { |
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68 | *startup-16-002.o(.text) |
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69 | *(.text .stub .text.* .gnu.linkonce.t.*) |
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70 | KEEP (*(.text.*personality*)) |
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71 | /* .gnu.warning sections are handled specially by elf32.em. */ |
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72 | *(.gnu.warning) |
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73 | } >ram =0 |
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74 | .fini : { KEEP (*(.fini)) } >ram =0 |
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75 | PROVIDE (__etext = .); |
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76 | PROVIDE (_etext = .); |
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77 | PROVIDE (etext = .); |
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78 | .rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) } >ram |
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79 | .rodata1 : { *(.rodata1) } >ram |
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80 | .sdata2 : { *(.sdata2 .sdata2.* .gnu.linkonce.s2.*) } >ram |
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81 | .sbss2 : { *(.sbss2 .sbss2.* .gnu.linkonce.sb2.*) } >ram |
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82 | .eh_frame_hdr : { *(.eh_frame_hdr) } >ram |
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83 | .eh_frame : ONLY_IF_RO { KEEP (*(.eh_frame)) } >ram |
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84 | .gcc_except_table : ONLY_IF_RO { KEEP (*(.gcc_except_table)) *(.gcc_except_table.*) } >ram |
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85 | /* Adjust the address for the data segment. We want to adjust up to |
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86 | the same address within the page on the next page up. */ |
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87 | . = ALIGN(256) + (. & (256 - 1)); |
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88 | /* Exception handling */ |
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89 | .eh_frame : ONLY_IF_RW { KEEP (*(.eh_frame)) } >ram |
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90 | .gcc_except_table : ONLY_IF_RW { KEEP (*(.gcc_except_table)) *(.gcc_except_table.*) } >ram |
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91 | /* Thread Local Storage sections */ |
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92 | .tdata : { *(.tdata .tdata.* .gnu.linkonce.td.*) } >ram |
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93 | .tbss : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) } >ram |
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94 | /* Ensure the __preinit_array_start label is properly aligned. We |
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95 | could instead move the label definition inside the section, but |
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96 | the linker would then create the section even if it turns out to |
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97 | be empty, which isn't pretty. */ |
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98 | . = ALIGN(32 / 8); |
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99 | PROVIDE (__preinit_array_start = .); |
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100 | .preinit_array : { *(.preinit_array) } >ram |
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101 | PROVIDE (__preinit_array_end = .); |
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102 | PROVIDE (__init_array_start = .); |
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103 | .init_array : { *(.init_array) } >ram |
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104 | PROVIDE (__init_array_end = .); |
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105 | PROVIDE (__fini_array_start = .); |
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106 | .fini_array : { *(.fini_array) } >ram |
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107 | PROVIDE (__fini_array_end = .); |
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108 | .ctors : |
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109 | { |
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110 | /* gcc uses crtbegin.o to find the start of |
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111 | the constructors, so we make sure it is |
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112 | first. Because this is a wildcard, it |
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113 | doesn't matter if the user does not |
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114 | actually link against crtbegin.o; the |
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115 | linker won't look for a file to match a |
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116 | wildcard. The wildcard also means that it |
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117 | doesn't matter which directory crtbegin.o |
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118 | is in. */ |
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119 | KEEP (*crtbegin.o(.ctors)) |
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120 | /* We don't want to include the .ctor section from |
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121 | from the crtend.o file until after the sorted ctors. |
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122 | The .ctor section from the crtend file contains the |
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123 | end of ctors marker and it must be last */ |
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124 | KEEP (*(EXCLUDE_FILE (*crtend.o ) .ctors)) |
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125 | KEEP (*(SORT(.ctors.*))) |
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126 | KEEP (*(.ctors)) |
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127 | } >ram |
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128 | .dtors : |
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129 | { |
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130 | KEEP (*crtbegin.o(.dtors)) |
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131 | KEEP (*(EXCLUDE_FILE (*crtend.o ) .dtors)) |
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132 | KEEP (*(SORT(.dtors.*))) |
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133 | KEEP (*(.dtors)) |
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134 | } >ram |
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135 | .jcr : { KEEP (*(.jcr)) } >ram |
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136 | .data.rel.ro : { *(.data.rel.ro.local) *(.data.rel.ro*) } >ram |
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137 | .dynamic : { *(.dynamic) } >ram |
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138 | |
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139 | /* DJK - Re-align the data section from the read-only section. */ |
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140 | . = ALIGN(16) + (. & (16 - 1)); |
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141 | PROVIDE (_data = .); |
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142 | .data : |
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143 | { |
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144 | *(.data .data.* .gnu.linkonce.d.*) |
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145 | SORT(CONSTRUCTORS) |
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146 | } >ram |
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147 | .data1 : { *(.data1) } >ram |
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148 | .got : { *(.got.plt) *(.got) } >ram |
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149 | |
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150 | /* We want the small data sections together, so single-instruction offsets |
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151 | can access them all, and initialized data all before uninitialized, so |
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152 | we can shorten the on-disk segment size. */ |
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153 | .sdata : { *(.sdata .sdata.* .gnu.linkonce.s.*) } >ram |
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154 | _edata = .; |
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155 | PROVIDE ( edata = . ) ; |
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156 | .sbss : |
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157 | { |
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158 | PROVIDE (__sbss_start = .); |
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159 | PROVIDE (___sbss_start = .); |
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160 | *(.dynsbss) |
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161 | *(.sbss .sbss.* .gnu.linkonce.sb.*) |
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162 | *(.scommon) |
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163 | PROVIDE (__sbss_end = .); |
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164 | PROVIDE (___sbss_end = .); |
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165 | } >ram |
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166 | .bss : |
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167 | { |
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168 | *(.dynbss) |
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169 | *(.bss .bss.* .gnu.linkonce.b.*) |
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170 | *(COMMON) |
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171 | /* Align here to ensure that the .bss section occupies space up to |
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172 | _end. Align after .bss to ensure correct alignment even if the |
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173 | .bss section disappears because there are no input sections. */ |
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174 | . = ALIGN(32 / 8); |
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175 | } >ram |
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176 | . = ALIGN(32 / 8); |
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177 | __bss_start = ADDR ( .sbss ) ; |
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178 | __bss_end = __bss_start + SIZEOF ( .sbss ) + SIZEOF ( .bss ) - 4 ; |
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179 | _end = .; |
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180 | PROVIDE (end = .); |
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181 | |
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182 | /* DJK - Initialized frame buffer data is copied from RAM to FB. */ |
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183 | .auxbss : AT (ADDR(.bss) + SIZEOF(.bss)) { *(.auxbss) } >frame-buffer |
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184 | .auxdata : AT (LOADADDR(.auxbss) + SIZEOF(.auxbss)) |
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185 | { |
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186 | *(.auxdata) |
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187 | } >frame-buffer |
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188 | |
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189 | _fbbss_start = ADDR ( .auxbss ); |
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190 | _fbbss_end = _fbbss_start + SIZEOF ( .auxbss ) - 4; |
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191 | _fbdata_start = LOADADDR ( .auxdata ); |
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192 | _fbdata_end = _fbdata_start + SIZEOF ( .auxdata ) ; |
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193 | _fbdata_vma = ADDR ( .auxdata ); |
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194 | |
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195 | PROVIDE (__FRAME_BUFFER_START = ADDR(.auxbss) ); |
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196 | PROVIDE (__FRAME_BUFFER_SIZE = 0xa000); |
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197 | PROVIDE (__FRAME_BUFFER_END = __FRAME_BUFFER_START + __FRAME_BUFFER_SIZE); |
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198 | |
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199 | .dma : { _dma_start = .; *(.dma) _dma_end = .; } >dma-ram |
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200 | .internal_io (NOLOAD) : { *(.internal_io) } >ports |
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201 | |
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202 | /* Stabs debugging sections. */ |
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203 | .stab 0 : { *(.stab) } |
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204 | .stabstr 0 : { *(.stabstr) } |
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205 | .stab.excl 0 : { *(.stab.excl) } |
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206 | .stab.exclstr 0 : { *(.stab.exclstr) } |
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207 | .stab.index 0 : { *(.stab.index) } |
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208 | .stab.indexstr 0 : { *(.stab.indexstr) } |
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209 | .comment 0 : { *(.comment) } |
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210 | /* DWARF debug sections. |
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211 | Symbols in the DWARF debugging sections are relative to the beginning |
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212 | of the section so we begin them at 0. */ |
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213 | /* DWARF 1 */ |
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214 | .debug 0 : { *(.debug) } |
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215 | .line 0 : { *(.line) } |
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216 | /* GNU DWARF 1 extensions */ |
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217 | .debug_srcinfo 0 : { *(.debug_srcinfo) } |
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218 | .debug_sfnames 0 : { *(.debug_sfnames) } |
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219 | /* DWARF 1.1 and DWARF 2 */ |
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220 | .debug_aranges 0 : { *(.debug_aranges) } |
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221 | .debug_pubnames 0 : { *(.debug_pubnames) } |
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222 | /* DWARF 2 */ |
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223 | .debug_info 0 : { *(.debug_info) *(.gnu.linkonce.wi.*) } |
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224 | .debug_abbrev 0 : { *(.debug_abbrev) } |
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225 | .debug_line 0 : { *(.debug_line) } |
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226 | .debug_frame 0 : { *(.debug_frame) } |
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227 | .debug_str 0 : { *(.debug_str) } |
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228 | .debug_loc 0 : { *(.debug_loc) } |
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229 | .debug_macinfo 0 : { *(.debug_macinfo) } |
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230 | /* SGI/MIPS DWARF 2 extensions */ |
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231 | .debug_weaknames 0 : { *(.debug_weaknames) } |
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232 | .debug_funcnames 0 : { *(.debug_funcnames) } |
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233 | .debug_typenames 0 : { *(.debug_typenames) } |
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234 | .debug_varnames 0 : { *(.debug_varnames) } |
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235 | |
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236 | /* In a multi-core environment, each core is given its own stack space |
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237 | equal to __stack_size. */ |
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238 | PROVIDE (__stack = 0x1fff0); |
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239 | PROVIDE (__stack_size = 0x800); |
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240 | |
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241 | .stack (DEFINED(__stack) ? __stack : 0x007ffff0) : |
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242 | { |
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243 | __stack = .; |
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244 | *(.stack) |
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245 | LONG(0xdeaddead) |
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246 | } |
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247 | /DISCARD/ : { *(.note.GNU-stack) } |
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248 | } |
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