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Fix FREESCALE_EDMA_NBYTES_MLOFFYES_MLOFF() so it works with negative offsets.
author vae
date Wed, 29 Apr 2015 23:31:48 +0000
parents 74dbf4c3f2e1
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 //==========================================================================
2
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2 //
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3 // powerpc.ld
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4 //
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5 // Linker script for PowerPC
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6 //
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7 //==========================================================================
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8 // ####ECOSGPLCOPYRIGHTBEGIN####
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9 // -------------------------------------------
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10 // This file is part of eCos, the Embedded Configurable Operating System.
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11 // Copyright (C) 1998, 1999, 2000, 2001, 2002, 2004, 2005, 2008 Free Software Foundation, Inc.
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12 //
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13 // eCos is free software; you can redistribute it and/or modify it under
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14 // the terms of the GNU General Public License as published by the Free
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15 // Software Foundation; either version 2 or (at your option) any later
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16 // version.
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17 //
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18 // eCos is distributed in the hope that it will be useful, but WITHOUT
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19 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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20 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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21 // for more details.
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22 //
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23 // You should have received a copy of the GNU General Public License
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24 // along with eCos; if not, write to the Free Software Foundation, Inc.,
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25 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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26 //
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27 // As a special exception, if other files instantiate templates or use
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28 // macros or inline functions from this file, or you compile this file
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29 // and link it with other works to produce a work based on this file,
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30 // this file does not by itself cause the resulting work to be covered by
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31 // the GNU General Public License. However the source code for this file
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32 // must still be made available in accordance with section (3) of the GNU
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33 // General Public License v2.
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34 //
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35 // This exception does not invalidate any other reasons why a work based
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36 // on this file might be covered by the GNU General Public License.
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37 // -------------------------------------------
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38 // ####ECOSGPLCOPYRIGHTEND####
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39 //==========================================================================
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40 //#####DESCRIPTIONBEGIN####
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41 //
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42 // Author(s): jskov
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43 // Contributors:jskov
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44 // Date: 1999-01-18
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45 // Purpose: PowerPC Linker script
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46 //
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47 //####DESCRIPTIONEND####
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48 //
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49 //==========================================================================
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50
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51 #include <pkgconf/hal.h>
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52
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53 STARTUP(vectors.o)
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54 ENTRY(__exception_reset)
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55 #ifdef EXTRAS
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56 INPUT(extras.o)
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57 #endif
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58 GROUP( CYGBLD_HAL_LINKER_GROUPED_LIBS )
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59
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60 #define ALIGN_LMA 8
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61 #define FOLLOWING(_section_) AT ((LOADADDR (_section_) + SIZEOF (_section_) + ALIGN_LMA - 1) & ~ (ALIGN_LMA - 1))
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62 #define LMA_EQ_VMA
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63 #define FORCE_OUTPUT . = .
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64
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65
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66 #define SECTIONS_BEGIN
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67
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68 #define SECTION_RELOCS(_region_, _vma_, _lma_) \
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69 .rel.dyn : \
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70 { \
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71 *(.rel.init) \
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72 *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*) \
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73 *(.rel.fini) \
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74 *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*) \
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75 *(.rel.data.rel.ro*) \
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76 *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*) \
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77 *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*) \
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78 *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*) \
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79 *(.rel.ctors) \
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80 *(.rel.dtors) \
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81 *(.rel.got) \
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82 *(.rel.sdata .rel.sdata.* .rel.gnu.linkonce.s.*) \
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83 *(.rel.sbss .rel.sbss.* .rel.gnu.linkonce.sb.*) \
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84 *(.rel.sdata2 .rel.sdata2.* .rel.gnu.linkonce.s2.*) \
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85 *(.rel.sbss2 .rel.sbss2.* .rel.gnu.linkonce.sb2.*) \
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86 *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*) \
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87 } > _region_ \
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88 .rela.dyn : \
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89 { \
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90 *(.rela.init) \
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91 *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) \
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92 *(.rela.fini) \
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93 *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) \
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94 *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) \
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95 *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) \
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96 *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) \
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97 *(.rela.ctors) \
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98 *(.rela.dtors) \
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99 *(.rela.got) \
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100 *(.rela.got1) \
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101 *(.rela.got2) \
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102 *(.rela.sdata .rela.sdata.* .rela.gnu.linkonce.s.*) \
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103 *(.rela.sbss .rela.sbss.* .rela.gnu.linkonce.sb.*) \
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104 *(.rela.sdata2 .rela.sdata2.* .rela.gnu.linkonce.s2.*) \
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105 *(.rela.sbss2 .rela.sbss2.* .rela.gnu.linkonce.sb2.*) \
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106 *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) \
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107 } > _region_ \
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108 .rel.plt : { *(.rel.plt) } > _region_ \
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109 .rela.plt : { *(.rela.plt) } > _region_
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110
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111 #define SECTION_vectors(_region_, _vma_, _lma_) \
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112 .vectors _vma_ : _lma_ \
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113 { FORCE_OUTPUT; KEEP(*(.vectors)) } \
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114 > _region_
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115
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116 #define SECTION_text(_region_, _vma_, _lma_) \
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117 .text _vma_ : _lma_ \
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118 { _stext = .; \
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119 *(.text*) *(.gnu.warning) *(.gnu.linkonce.t.*) *(.init) } \
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120 > _region_ \
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121 _etext = .; PROVIDE (etext = .);
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122
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123 #define SECTION_fini(_region_, _vma_, _lma_) \
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124 .fini _vma_ : _lma_ \
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125 { FORCE_OUTPUT; *(.fini) } \
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126 > _region_
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127
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128 #define SECTION_rodata1(_region_, _vma_, _lma_) \
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129 .rodata1 _vma_ : _lma_ \
132
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130 { FORCE_OUTPUT; *(.rodata1*) } \
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131 > _region_
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132
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133 #define SECTION_rodata(_region_, _vma_, _lma_) \
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134 .rodata _vma_ : _lma_ \
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135 { FORCE_OUTPUT; *(.rodata*) *(.gnu.linkonce.r.*) \
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136 } > _region_
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137
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138 #define SECTION_fixup(_region_, _vma_, _lma_) \
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139 .fixup _vma_ : _lma_ \
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140 { __FIXUP_START__ = ABSOLUTE(.); *(.fixup) __FIXUP_END__ = ABSOLUTE(.);}\
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141 > _region_
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142
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143 /* We want to discard C++ exception frame data if we don't have the
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144 * C++ support to use it. But we can't. With current binutils (2008-05-13)
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145 * the linker goes very wrong if either of the contents of
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146 * .gcc_except_table or .eh_frame are discarded. Yes I tried.
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147 */
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148 #define SECTION_gcc_except_table(_region_, _vma_, _lma_) \
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149 .gcc_except_table _vma_ : _lma_ \
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150 { __EXCEPT_START__ = ABSOLUTE(.); \
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151 *(.gcc_except_table) \
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152 *(.gcc_except_table.*) \
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153 __EXCEPT_END__ = ABSOLUTE(.); \
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154 } > _region_
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155
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156 #define SECTION_eh_frame(_region_, _vma_, _lma_) \
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157 .eh_frame _vma_ : _lma_ \
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158 { \
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159 *(.eh_frame_hdr) \
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160 FORCE_OUTPUT; __EH_FRAME_BEGIN__ = .; \
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161 KEEP(*(.eh_frame)) \
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162 __FRAME_END__ = .; \
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163 . = . + 8; \
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164 } > _region_ = 0
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165
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166 #define SECTION_data(_region_, _vma_, _lma_) \
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167 .data _vma_ : _lma_ \
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168 { __ram_data_start = ABSOLUTE(.); *(.data*) \
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169 *(.gnu.linkonce.d.*) \
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170 __GOT1_START__ = ABSOLUTE(.); *(.got1) __GOT1_END__ = ABSOLUTE(.); \
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171 /* Put .ctors and .dtors next to the .got2 section, so that */ \
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172 /* the pointers get relocated with -mrelocatable. */ \
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173 . = ALIGN(8); __CTOR_LIST__ = ABSOLUTE(.); \
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174 KEEP(*(SORT(.ctors*))) __CTOR_END__ = ABSOLUTE(.); \
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175 __DTOR_LIST__ = ABSOLUTE(.); \
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176 KEEP(*(SORT(.dtors*))) __DTOR_END__ = ABSOLUTE(.); \
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177 . = ALIGN(8); \
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178 KEEP(*( SORT (.ecos.table.*))) ; \
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179 . = ALIGN(4); \
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180 *( .2ram.*) ; \
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181 __GOT2_START__ = ABSOLUTE(.); *(.got2) __GOT2_END__ = ABSOLUTE(.); \
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182 __GOT_START = ABSOLUTE(.); \
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183 _SDA_BASE_ = ABSOLUTE(.); *(.got.plt) *(.got) \
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184 __GOT_END__ = ABSOLUTE(.); *(.dynamic) \
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185 /* We want the small data sections together, so single-instruction */ \
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186 /* offsets can access them all, and initialized data all before */ \
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187 /* uninitialized, so we can shorten the on-disk segment size. */ \
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188 __SDATA_START__ = ABSOLUTE(.); *(.sdata) *(.sdata.*) *(.gnu.linkonce.s.*) \
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189 __SDATA2_START__ = ABSOLUTE(.); *(.sdata2*) } \
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190 > _region_ \
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191 __rom_data_start = LOADADDR(.data); \
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192 __ram_data_end = .; PROVIDE(__ram_data_end = .); \
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193 _edata = .; PROVIDE (edata = .);
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194
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195 #define SECTION_sbss(_region_, _vma_, _lma_) \
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196 .sbss _vma_ : _lma_ \
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197 { __sbss_start = ABSOLUTE (.); \
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198 __SBSS_START__ = ABSOLUTE(.); *(.sbss.*) __SBSS_END__ = ABSOLUTE(.); \
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199 __SBSSx_START__ = ABSOLUTE(.); *(.sbss*) __SBSSx_END__ = ABSOLUTE(.);\
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200 *(.gnu.linkonce.sb.*) *(.scommon*) \
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201 __sbss_end = ABSOLUTE (.); } \
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202 > _region_
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203
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204 #define SECTION_bss(_region_, _vma_, _lma_) \
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205 .bss _vma_ : _lma_ \
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206 { __bss_start = ABSOLUTE (.); \
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207 FORCE_OUTPUT; *(.dynbss*) *(.bss*) *(.gnu.linkonce.b.*) *(COMMON) \
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208 __bss_end = ABSOLUTE (.); } \
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209 > _region_
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210
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211 #define SECTIONS_END . = ALIGN(4); _end = .; PROVIDE (end = .);
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212
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213 #include <pkgconf/system.h>
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214 #include CYGHWR_MEMORY_LAYOUT_LDI
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215
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216 // Define VSR and virtual tables to reside at fixed addresses.
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217 #include CYGBLD_HAL_TARGET_H
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218 hal_vsr_table = CYGHWR_HAL_VSR_TABLE;
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219 hal_virtual_vector_table = CYGHWR_HAL_VIRTUAL_VECTOR_TABLE;