1 | /*- |
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2 | * Copyright (c) 2010 Kai Wang |
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3 | * All rights reserved. |
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4 | * |
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5 | * Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions |
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7 | * are met: |
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8 | * 1. Redistributions of source code must retain the above copyright |
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9 | * notice, this list of conditions and the following disclaimer. |
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10 | * 2. Redistributions in binary form must reproduce the above copyright |
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11 | * notice, this list of conditions and the following disclaimer in the |
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12 | * documentation and/or other materials provided with the distribution. |
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13 | * |
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14 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
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15 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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16 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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17 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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18 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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19 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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20 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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21 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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22 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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23 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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24 | * SUCH DAMAGE. |
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25 | */ |
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26 | |
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27 | #include "_libdwarf.h" |
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28 | |
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29 | ELFTC_VCSID("$Id: dwarf_pro_sections.c 2074 2011-10-27 03:34:33Z jkoshy $"); |
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30 | |
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31 | Dwarf_Signed |
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32 | dwarf_transform_to_disk_form(Dwarf_P_Debug dbg, Dwarf_Error *error) |
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33 | { |
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34 | |
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35 | if (dbg == NULL) { |
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36 | DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT); |
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37 | return (DW_DLV_NOCOUNT); |
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38 | } |
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39 | |
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40 | if (_dwarf_generate_sections(dbg, error) != DW_DLE_NONE) |
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41 | return (DW_DLV_NOCOUNT); |
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42 | |
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43 | return (dbg->dbgp_seccnt); |
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44 | } |
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45 | |
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46 | Dwarf_Ptr |
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47 | dwarf_get_section_bytes(Dwarf_P_Debug dbg, Dwarf_Signed dwarf_section, |
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48 | Dwarf_Signed *elf_section_index, Dwarf_Unsigned *length, Dwarf_Error *error) |
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49 | { |
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50 | Dwarf_Ptr data; |
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51 | |
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52 | (void) dwarf_section; /* ignored. */ |
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53 | |
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54 | if (dbg == NULL || elf_section_index == NULL || length == NULL) { |
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55 | DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT); |
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56 | return (NULL); |
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57 | } |
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58 | |
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59 | if (dbg->dbgp_secpos == NULL) { |
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60 | DWARF_SET_ERROR(dbg, error, DW_DLE_NO_ENTRY); |
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61 | return (NULL); |
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62 | } |
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63 | |
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64 | *elf_section_index = dbg->dbgp_secpos->ds_ndx; |
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65 | *length = dbg->dbgp_secpos->ds_size; |
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66 | data = dbg->dbgp_secpos->ds_data; |
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67 | |
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68 | dbg->dbgp_secpos = STAILQ_NEXT(dbg->dbgp_secpos, ds_next); |
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69 | |
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70 | return (data); |
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71 | } |
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72 | |
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73 | void |
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74 | dwarf_reset_section_bytes(Dwarf_P_Debug dbg) |
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75 | { |
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76 | |
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77 | assert(dbg != NULL); |
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78 | |
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79 | dbg->dbgp_secpos = STAILQ_FIRST(&dbg->dbgp_seclist); |
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80 | dbg->dbgp_drspos = STAILQ_FIRST(&dbg->dbgp_drslist); |
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81 | } |
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