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1 /* |
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2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * |
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5 * This program is free software: you can redistribute it and/or modify |
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6 * it under the terms of the GNU Lesser General Public License as published by |
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7 * the Free Software Foundation, either version 3 of the License, or |
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8 * (at your option) any later version. |
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9 * |
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10 * This program is distributed in the hope that it will be useful, |
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11 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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13 * GNU Lesser General Public License for more details. |
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14 * |
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15 * You should have received a copy of the GNU Lesser General Public License |
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16 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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17 */ |
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18 |
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19 #include <iostream> |
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20 #include "dwarfmanager.h" |
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21 #include "inputfile.h" |
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22 |
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23 const string DwarfLocManager::iLocSectionName(".debug_loc"); |
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24 |
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25 void DwarfLocManager::ProcessSection(FileShdrPair & aPair, Dwarf_Byte_Ptr aStart, Dwarf_Byte_Ptr aEnd){ |
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26 Dwarf_Byte_Ptr start = aStart; |
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27 Dwarf_Byte_Ptr end = aEnd; |
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28 size_t pointer_size = iDwarfInfoManager.GetPointerSize(); |
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29 while (start < end){ |
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30 // TODO: this doesn't deal with 64-bit Dwarf |
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31 Dwarf_Byte_Ptr lower = start; |
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32 Dwarf_Word w1 = GetValue(start, pointer_size); |
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33 start+= pointer_size; |
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34 Dwarf_Byte_Ptr upper = start; |
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35 Dwarf_Word w2 = GetValue(start, pointer_size); |
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36 start+= pointer_size; |
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37 |
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38 if (w1 == 0 && w2 == 0){ |
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39 continue; |
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40 } |
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41 if (w1 == 0xffffffff){ |
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42 LinearAddr addr = w2; |
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43 LinearAddr relocatedAddress = aPair.iXIPFileDetails.Relocate(addr); |
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44 if (addr != relocatedAddress) |
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45 WriteValue(start - pointer_size, relocatedAddress, pointer_size); |
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46 continue; |
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47 } |
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48 |
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49 if (aPair.iXIPFileDetails.iGCCProduced){ |
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50 LinearAddr addr = w1; |
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51 LinearAddr relocatedAddress = aPair.iXIPFileDetails.Relocate(addr); |
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52 if (addr != relocatedAddress) |
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53 WriteValue(lower, relocatedAddress, pointer_size); |
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54 addr = w2; |
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55 relocatedAddress = aPair.iXIPFileDetails.Relocate(addr); |
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56 if (addr != relocatedAddress) |
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57 WriteValue(upper, relocatedAddress, pointer_size); |
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58 } |
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59 |
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60 Dwarf_Half length = GetValue(start, 2); |
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61 start += 2; |
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62 EditLocationExpression (start, pointer_size, length, aPair); |
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63 start += length; |
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64 |
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65 } |
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66 } |