1 | /* |
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2 | * This file contains GNU linker directives for an general SH4 |
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3 | * board. |
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4 | * |
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5 | * Variations in memory size and allocation can be made by |
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6 | * overriding some values with linker command-line arguments. |
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7 | * |
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8 | * Copyright (C) 2000 OKTET Ltd., St.-Petersburg, Russia |
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9 | * Author: Victor V. Vengerov <vvv@oktet.ru> |
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10 | * |
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11 | * The license and distribution terms for this file may be |
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12 | * found in the file LICENSE in this distribution or at |
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13 | * |
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14 | * http://www.rtems.org/license/LICENSE. |
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15 | */ |
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16 | |
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17 | |
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18 | OUTPUT_ARCH(sh) |
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19 | ENTRY(_start) |
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20 | STARTUP(start.o) |
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21 | |
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22 | /* Do we need any of these for elf? |
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23 | __DYNAMIC = 0; */ |
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24 | |
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25 | _RamBase = DEFINED(_RamBase) ? _RamBase : 0x80000000; |
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26 | _RamSize = DEFINED(_RamSize) ? _RamSize : 4M; |
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27 | _RamEnd = _RamBase + _RamSize; |
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28 | _HeapSize = DEFINED(_HeapSize) ? _HeapSize : 0x0; |
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29 | |
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30 | /* |
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31 | * Area assignments: |
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32 | * Area 0: Flash memory, SRAM interface |
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33 | * Area 1: GDC |
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34 | * Area 2: SDRAM |
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35 | * Area 3-6: unused |
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36 | */ |
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37 | MEMORY |
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38 | { |
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39 | ram : o = 0x88100000, l = 7M |
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40 | rom : o = 0x80000000, l = 4M |
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41 | } |
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42 | |
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43 | SECTIONS |
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44 | { |
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45 | /* Read-only sections, merged into text segment: */ |
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46 | .text : |
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47 | { |
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48 | _start = .; |
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49 | *(.text*) |
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50 | |
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51 | /* |
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52 | * Special FreeBSD sysctl sections. |
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53 | */ |
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54 | . = ALIGN (16); |
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55 | ___start_set_sysctl_set = .; |
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56 | *(set_sysc*); /* set_sysctl_* but name is truncated by SH-coff */ |
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57 | ___stop_set_sysctl_set = ABSOLUTE(.); |
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58 | *(set_doma*); /* set_domain_* but name is truncated by SH-coff */ |
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59 | *(set_pseu*); /* set_pseudo_* but name is truncated by SH-coff */ |
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60 | |
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61 | /* .gnu.warning sections are handled specially by elf32.em. */ |
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62 | *(.gnu.warning) |
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63 | *(.gnu.linkonce.t*) |
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64 | } > ram |
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65 | .rela.dyn : |
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66 | { |
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67 | *(.rela.init) |
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68 | *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) |
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69 | *(.rela.fini) |
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70 | *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) |
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71 | *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) |
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72 | *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) |
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73 | *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) |
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74 | *(.rela.ctors) |
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75 | *(.rela.dtors) |
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76 | *(.rela.got) |
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77 | *(.rela.sdata .rela.sdata.* .rela.gnu.linkonce.s.*) |
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78 | *(.rela.sbss .rela.sbss.* .rela.gnu.linkonce.sb.*) |
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79 | *(.rela.sdata2 .rela.sdata2.* .rela.gnu.linkonce.s2.*) |
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80 | *(.rela.sbss2 .rela.sbss2.* .rela.gnu.linkonce.sb2.*) |
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81 | *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) |
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82 | } >ram |
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83 | _etext = .; |
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84 | PROVIDE (etext = .); |
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85 | .init . : { KEEP(*(.init)) } > ram =0 |
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86 | .fini . : { KEEP(*(.fini)) } > ram =0 |
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87 | .ctors . : { KEEP(*(.ctors)) } > ram =0 |
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88 | .dtors . : { KEEP(*(.dtors)) } > ram =0 |
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89 | .rodata : |
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90 | { |
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91 | *(.rodata) |
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92 | *(.rodata.*) |
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93 | KEEP (*(SORT(.rtemsroset.*))) |
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94 | *(.gnu.linkonce.r*) |
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95 | } > ram |
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96 | .tdata : { |
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97 | __TLS_Data_begin = .; |
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98 | *(.tdata .tdata.* .gnu.linkonce.td.*) |
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99 | __TLS_Data_end = .; |
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100 | } > ram |
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101 | .tbss : { |
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102 | __TLS_BSS_begin = .; |
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103 | *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) |
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104 | __TLS_BSS_end = .; |
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105 | } > ram |
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106 | __TLS_Data_size = __TLS_Data_end - __TLS_Data_begin; |
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107 | __TLS_Data_begin = __TLS_Data_size != 0 ? __TLS_Data_begin : __TLS_BSS_begin; |
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108 | __TLS_Data_end = __TLS_Data_size != 0 ? __TLS_Data_end : __TLS_BSS_begin; |
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109 | __TLS_BSS_size = __TLS_BSS_end - __TLS_BSS_begin; |
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110 | __TLS_Size = __TLS_BSS_end - __TLS_Data_begin; |
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111 | __TLS_Alignment = MAX (ALIGNOF (.tdata), ALIGNOF (.tbss)); |
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112 | |
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113 | /* Adjust the address for the data segment. We want to adjust up to |
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114 | the same address within the page on the next page up. */ |
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115 | . = ALIGN(128) + (. & (128 - 1)); |
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116 | .data : |
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117 | { |
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118 | copy_start = .; |
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119 | *(.data*) |
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120 | KEEP (*(SORT(.rtemsrwset.*))) |
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121 | *(.gcc_exc*) |
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122 | ___EH_FRAME_BEGIN__ = .; |
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123 | *(.eh_fram*) |
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124 | ___EH_FRAME_END__ = .; |
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125 | LONG(0); |
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126 | *(.gcc_except_table*) |
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127 | *(.gnu.linkonce.d*) |
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128 | SORT(CONSTRUCTORS) |
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129 | copy_end = .; |
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130 | } > ram |
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131 | .eh_frame : { *(.eh_frame) } > ram |
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132 | /* We want the small data sections together, so single-instruction offsets |
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133 | can access them all, and initialized data all before uninitialized, so |
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134 | we can shorten the on-disk segment size. */ |
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135 | .bss : |
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136 | { |
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137 | __bss_start = .; |
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138 | *(.dynbss) |
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139 | *(.bss .bss* .gnu.linkonce.b*) |
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140 | *(COMMON) |
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141 | /* Align here to ensure that the .bss section occupies space up to |
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142 | _end. Align after .bss to ensure correct alignment even if the |
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143 | .bss section disappears because there are no input sections. */ |
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144 | . = ALIGN(32 / 8); |
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145 | __bss_end = .; |
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146 | } > ram |
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147 | |
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148 | .rtemsstack (NOLOAD) : { |
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149 | *(SORT(.rtemsstack.*)) |
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150 | } > ram |
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151 | |
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152 | _WorkAreaBase = . ; |
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153 | |
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154 | /* Stabs debugging sections. */ |
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155 | .stab 0 : { *(.stab) } |
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156 | .stabstr 0 : { *(.stabstr) } |
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157 | .stab.excl 0 : { *(.stab.excl) } |
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158 | .stab.exclstr 0 : { *(.stab.exclstr) } |
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159 | .stab.index 0 : { *(.stab.index) } |
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160 | .stab.indexstr 0 : { *(.stab.indexstr) } |
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161 | .comment 0 : { *(.comment) } |
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162 | /* DWARF debug sections. |
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163 | Symbols in the DWARF debugging sections are relative to the beginning |
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164 | of the section so we begin them at 0. */ |
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165 | /* DWARF 1 */ |
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166 | .debug 0 : { *(.debug) } |
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167 | .line 0 : { *(.line) } |
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168 | /* GNU DWARF 1 extensions */ |
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169 | .debug_srcinfo 0 : { *(.debug_srcinfo) } |
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170 | .debug_sfnames 0 : { *(.debug_sfnames) } |
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171 | /* DWARF 1.1 and DWARF 2 */ |
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172 | .debug_aranges 0 : { *(.debug_aranges) } |
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173 | .debug_pubnames 0 : { *(.debug_pubnames) } |
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174 | /* DWARF 2 */ |
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175 | .debug_info 0 : { *(.debug_info) } |
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176 | .debug_abbrev 0 : { *(.debug_abbrev) } |
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177 | .debug_line 0 : { *(.debug_line) } |
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178 | .debug_frame 0 : { *(.debug_frame) } |
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179 | .debug_str 0 : { *(.debug_str) } |
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180 | .debug_loc 0 : { *(.debug_loc) } |
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181 | .debug_macinfo 0 : { *(.debug_macinfo) } |
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182 | /* SGI/MIPS DWARF 2 extensions */ |
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183 | .debug_weaknames 0 : { *(.debug_weaknames) } |
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184 | .debug_funcnames 0 : { *(.debug_funcnames) } |
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185 | .debug_typenames 0 : { *(.debug_typenames) } |
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186 | .debug_varnames 0 : { *(.debug_varnames) } |
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187 | /* These must appear regardless of . */ |
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188 | } |
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