annotate gcc/config/picochip/libgccExtras/longjmp.asm @ 0:a06113de4d67

first commit
author kent <kent@cr.ie.u-ryukyu.ac.jp>
date Fri, 17 Jul 2009 14:47:48 +0900
parents
children f6334be47118
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 // picoChip ASM file
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2 //
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3 // Support for 32-bit arithmetic shift right.
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4 //
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5 // Copyright (C) 2003, 2004, 2005, 2008, 2009 Free Software Foundation, Inc.
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6 // Contributed by picoChip Designs Ltd.
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7 // Maintained by Hariharan Sandanagobalane (hariharan@picochip.com)
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8 //
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9 // This file is free software; you can redistribute it and/or modify it
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10 // under the terms of the GNU General Public License as published by the
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11 // Free Software Foundation; either version 3, or (at your option) any
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12 // later version.
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13 //
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14 // This file is distributed in the hope that it will be useful, but
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15 // WITHOUT ANY WARRANTY; without even the implied warranty of
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16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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17 // General Public License for more details.
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18 //
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19 // Under Section 7 of GPL version 3, you are granted additional
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20 // permissions described in the GCC Runtime Library Exception, version
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21 // 3.1, as published by the Free Software Foundation.
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22 //
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23 // You should have received a copy of the GNU General Public License and
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24 // a copy of the GCC Runtime Library Exception along with this program;
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25 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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26 // <http://www.gnu.org/licenses/>.
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27
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28 .section .text
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29
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30 .global _longjmp
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31 _longjmp:
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32 _picoMark_FUNCTION_BEGIN=
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33
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34 // picoChip Function Prologue : &_longjmp = 0 bytes
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35
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36 LDL (R0)0, R[3:2]
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37 LDL (R0)1, R[5:4]
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38 LDL (R0)2, R[7:6]
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39 LDL (R0)3, R[9:8]
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40 LDL (R0)4, R[11:10]
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41 LDL (R0)5, R[13:12]
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42 LDW (R0)12, R14
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43 LDW (R0)13, R1
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44 JR (R12)
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45 =-> COPY.0 1,R0
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46
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47 // picoChip Function Epilogue : longjmp
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48 //============================================================================
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49 // All DWARF information between this marker, and the END OF DWARF
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50 // marker should be included in the source file. Search for
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51 // FUNCTION_STACK_SIZE_GOES_HERE and FUNCTION NAME GOES HERE, and
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52 // provide the relevent information. Add markers called
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53 // _picoMark_FUNCTION_BEGIN and _picoMark_FUNCTION_END around the
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54 // function in question.
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55 //============================================================================
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56
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57 //============================================================================
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58 // Frame information.
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59 //============================================================================
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60
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61 .section .debug_frame
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62 _picoMark_DebugFrame=
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63
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64 // Common CIE header.
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65 .unalignedInitLong _picoMark_CieEnd-_picoMark_CieBegin
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66 _picoMark_CieBegin=
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67 .unalignedInitLong 0xffffffff
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68 .initByte 0x1 // CIE Version
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69 .ascii 16#0# // CIE Augmentation
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70 .uleb128 0x1 // CIE Code Alignment Factor
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71 .sleb128 2 // CIE Data Alignment Factor
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72 .initByte 0xc // CIE RA Column
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73 .initByte 0xc // DW_CFA_def_cfa
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74 .uleb128 0xd
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75 .uleb128 0x0
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76 .align 2
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77 _picoMark_CieEnd=
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78
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79 // FDE
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80 _picoMark_LSFDE0I900821033007563=
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81 .unalignedInitLong _picoMark_FdeEnd-_picoMark_FdeBegin
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82 _picoMark_FdeBegin=
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83 .unalignedInitLong _picoMark_DebugFrame // FDE CIE offset
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84 .unalignedInitWord _picoMark_FUNCTION_BEGIN // FDE initial location
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85 .unalignedInitWord _picoMark_FUNCTION_END-_picoMark_FUNCTION_BEGIN
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86 .initByte 0xe // DW_CFA_def_cfa_offset
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87 .uleb128 0x0 // <-- FUNCTION_STACK_SIZE_GOES_HERE
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88 .initByte 0x4 // DW_CFA_advance_loc4
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89 .unalignedInitLong _picoMark_FUNCTION_END-_picoMark_FUNCTION_BEGIN
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90 .initByte 0xe // DW_CFA_def_cfa_offset
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91 .uleb128 0x0
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92 .align 2
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93 _picoMark_FdeEnd=
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94
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95 //============================================================================
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96 // Abbrevation information.
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97 //============================================================================
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98
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99 .section .debug_abbrev
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100 _picoMark_ABBREVIATIONS=
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101
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102 .section .debug_abbrev
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103 .uleb128 0x1 // (abbrev code)
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104 .uleb128 0x11 // (TAG: DW_TAG_compile_unit)
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105 .initByte 0x1 // DW_children_yes
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106 .uleb128 0x10 // (DW_AT_stmt_list)
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107 .uleb128 0x6 // (DW_FORM_data4)
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108 .uleb128 0x12 // (DW_AT_high_pc)
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109 .uleb128 0x1 // (DW_FORM_addr)
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110 .uleb128 0x11 // (DW_AT_low_pc)
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111 .uleb128 0x1 // (DW_FORM_addr)
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112 .uleb128 0x25 // (DW_AT_producer)
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113 .uleb128 0x8 // (DW_FORM_string)
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114 .uleb128 0x13 // (DW_AT_language)
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115 .uleb128 0x5 // (DW_FORM_data2)
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116 .uleb128 0x3 // (DW_AT_name)
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117 .uleb128 0x8 // (DW_FORM_string)
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118 .initByte 0x0
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119 .initByte 0x0
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120
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121 .uleb128 0x2 ;# (abbrev code)
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122 .uleb128 0x2e ;# (TAG: DW_TAG_subprogram)
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123 .initByte 0x0 ;# DW_children_no
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124 .uleb128 0x3 ;# (DW_AT_name)
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125 .uleb128 0x8 ;# (DW_FORM_string)
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126 .uleb128 0x11 ;# (DW_AT_low_pc)
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127 .uleb128 0x1 ;# (DW_FORM_addr)
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128 .uleb128 0x12 ;# (DW_AT_high_pc)
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129 .uleb128 0x1 ;# (DW_FORM_addr)
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130 .initByte 0x0
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131 .initByte 0x0
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132
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133 .initByte 0x0
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134
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135 //============================================================================
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136 // Line information. DwarfLib requires this to be present, but it can
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137 // be empty.
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138 //============================================================================
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139
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140 .section .debug_line
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141 _picoMark_LINES=
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142
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143 //============================================================================
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144 // Debug Information
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145 //============================================================================
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146 .section .debug_info
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147
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148 //Fixed header.
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149 .unalignedInitLong _picoMark_DEBUG_INFO_END-_picoMark_DEBUG_INFO_BEGIN
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150 _picoMark_DEBUG_INFO_BEGIN=
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151 .unalignedInitWord 0x2
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152 .unalignedInitLong _picoMark_ABBREVIATIONS
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153 .initByte 0x2
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154
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155 // Compile unit information.
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156 .uleb128 0x1 // (DIE 0xb) DW_TAG_compile_unit)
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157 .unalignedInitLong _picoMark_LINES
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158 .unalignedInitWord _picoMark_FUNCTION_END
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159 .unalignedInitWord _picoMark_FUNCTION_BEGIN
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160 // Producer is `picoChip'
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161 .ascii 16#70# 16#69# 16#63# 16#6f# 16#43# 16#68# 16#69# 16#70# 16#00#
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162 .unalignedInitWord 0xcafe // ASM language
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163 .ascii 16#0# // Name. DwarfLib expects this to be present.
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164
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165 .uleb128 0x2 ;# (DIE DW_TAG_subprogram)
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166
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167 // FUNCTION NAME GOES HERE. Use `echo name | od -t x1' to get the hex. Each hex
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168 // digit is specified using the format 16#XX#
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169 .ascii 16#6c# 16#6f# 16#6e# 16#67# 16#6a# 16#6d# 16#70# 16#0# // Function name `longjmp'
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170 .unalignedInitWord _picoMark_FUNCTION_BEGIN // DW_AT_low_pc
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171 .unalignedInitWord _picoMark_FUNCTION_END // DW_AT_high_pc
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172
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173 .initByte 0x0 // end of compile unit children.
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174
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175 _picoMark_DEBUG_INFO_END=
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176
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177 //============================================================================
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178 // END OF DWARF
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179 //============================================================================
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180
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181 .section .endFile
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182 // End of picoChip ASM file