1 | /* $Id: DBGPlugInCommonELF.cpp 93115 2022-01-01 11:31:46Z vboxsync $ */
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2 | /** @file
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3 | * DBGPlugInCommonELF - Common code for dealing with ELF images.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2008-2022 Oracle Corporation
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8 | *
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9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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10 | * available from http://www.virtualbox.org. This file is free software;
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11 | * you can redistribute it and/or modify it under the terms of the GNU
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12 | * General Public License (GPL) as published by the Free Software
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13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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16 | */
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17 |
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18 |
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19 | /*********************************************************************************************************************************
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20 | * Header Files *
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21 | *********************************************************************************************************************************/
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22 | #define LOG_GROUP LOG_GROUP_DBGF /// @todo add new log group.
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23 | #include "DBGPlugInCommonELF.h"
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24 |
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25 | #include <VBox/vmm/dbgf.h>
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26 | #include <iprt/alloca.h>
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27 | #include <iprt/asm.h>
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28 | #include <iprt/assert.h>
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29 | #include <iprt/dbg.h>
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30 | #include <iprt/err.h>
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31 | #include <iprt/mem.h>
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32 | #include <iprt/string.h>
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33 |
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34 |
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35 | /*********************************************************************************************************************************
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36 | * Structures and Typedefs *
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37 | *********************************************************************************************************************************/
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38 | typedef struct DBGDIGGERELFSEG
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39 | {
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40 | /** The segment load address. */
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41 | RTGCPTR uLoadAddr;
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42 | /** The last address in the segment. */
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43 | RTGCPTR uLastAddr;
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44 | /** The segment index. */
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45 | RTDBGSEGIDX iSeg;
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46 | } DBGDIGGERELFSEG;
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47 | typedef DBGDIGGERELFSEG *PDBGDIGGERELFSEG;
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48 |
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49 |
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50 | /**
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51 | * Links the segments of the module into the address space.
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52 | *
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53 | * @returns VBox status code on failure.
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54 | *
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55 | * @param hAs The address space.
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56 | * @param hMod The module.
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57 | * @param paSegs Array of segment indexes and load addresses.
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58 | * @param cSegs The number of segments in the array.
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59 | */
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60 | static int dbgDiggerCommonLinkElfSegs(RTDBGAS hAs, RTDBGMOD hMod, PDBGDIGGERELFSEG paSegs, uint32_t cSegs)
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61 | {
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62 | for (uint32_t i = 0; i < cSegs; i++)
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63 | if (paSegs[i].iSeg != NIL_RTDBGSEGIDX)
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64 | {
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65 | int rc = RTDbgAsModuleLinkSeg(hAs, hMod, paSegs[i].iSeg, paSegs[i].uLoadAddr, RTDBGASLINK_FLAGS_REPLACE);
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66 | if (RT_FAILURE(rc))
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67 | {
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68 | RTDbgAsModuleUnlink(hAs, hMod);
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69 | return rc;
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70 | }
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71 | }
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72 | return VINF_SUCCESS;
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73 | }
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74 |
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75 |
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76 | /*
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77 | * Instantiate the code templates for dealing with the two ELF versions.
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78 | */
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79 |
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80 | #define ELF_MODE 32
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81 | #include "DBGPlugInCommonELFTmpl.cpp.h"
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82 |
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83 | #undef ELF_MODE
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84 | #define ELF_MODE 64
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85 | #include "DBGPlugInCommonELFTmpl.cpp.h"
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86 |
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