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annotate libiberty/simple-object.c @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
parents 561a7518be6b
children 84e7813d76e9
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
68
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
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1 /* simple-object.c -- simple routines to read and write object files.
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2 Copyright (C) 2010-2017 Free Software Foundation, Inc.
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
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3 Written by Ian Lance Taylor, Google.
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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4
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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5 This program is free software; you can redistribute it and/or modify it
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
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6 under the terms of the GNU General Public License as published by the
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
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7 Free Software Foundation; either version 2, or (at your option) any
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
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8 later version.
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
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9
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
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10 This program is distributed in the hope that it will be useful,
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
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13 GNU General Public License for more details.
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
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14
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
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15 You should have received a copy of the GNU General Public License
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
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16 along with this program; if not, write to the Free Software
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
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17 Foundation, 51 Franklin Street - Fifth Floor,
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
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18 Boston, MA 02110-1301, USA. */
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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19
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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20 #include "config.h"
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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21 #include "libiberty.h"
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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22 #include "simple-object.h"
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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23
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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24 #include <errno.h>
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25 #include <fcntl.h>
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26
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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27 #ifdef HAVE_STDLIB_H
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28 #include <stdlib.h>
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29 #endif
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30
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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31 #ifdef HAVE_STDINT_H
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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32 #include <stdint.h>
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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33 #endif
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34
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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35 #ifdef HAVE_STRING_H
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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36 #include <string.h>
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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37 #endif
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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38
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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39 #ifdef HAVE_INTTYPES_H
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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40 #include <inttypes.h>
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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41 #endif
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42
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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43 #ifndef SEEK_SET
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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44 #define SEEK_SET 0
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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45 #endif
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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46
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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47 #include "simple-object-common.h"
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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48
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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49 /* The known object file formats. */
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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50
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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51 static const struct simple_object_functions * const format_functions[] =
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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52 {
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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53 &simple_object_elf_functions,
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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54 &simple_object_mach_o_functions,
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55 &simple_object_coff_functions,
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56 &simple_object_xcoff_functions
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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57 };
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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58
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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59 /* Read data from a file using the simple_object error reporting
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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60 conventions. */
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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61
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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62 int
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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63 simple_object_internal_read (int descriptor, off_t offset,
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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64 unsigned char *buffer, size_t size,
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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65 const char **errmsg, int *err)
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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66 {
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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67 if (lseek (descriptor, offset, SEEK_SET) < 0)
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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68 {
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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69 *errmsg = "lseek";
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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70 *err = errno;
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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71 return 0;
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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72 }
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73
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74 do
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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75 {
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76 ssize_t got = read (descriptor, buffer, size);
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77 if (got == 0)
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78 break;
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79 else if (got > 0)
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80 {
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81 buffer += got;
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82 size -= got;
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83 }
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84 else if (errno != EINTR)
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85 {
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86 *errmsg = "read";
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87 *err = errno;
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88 return 0;
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89 }
68
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90 }
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91 while (size > 0);
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92
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93 if (size > 0)
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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94 {
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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95 *errmsg = "file too short";
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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96 *err = 0;
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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97 return 0;
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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98 }
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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99
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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100 return 1;
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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101 }
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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102
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103 /* Write data to a file using the simple_object error reporting
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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104 conventions. */
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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105
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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106 int
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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107 simple_object_internal_write (int descriptor, off_t offset,
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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108 const unsigned char *buffer, size_t size,
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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109 const char **errmsg, int *err)
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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110 {
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111 if (lseek (descriptor, offset, SEEK_SET) < 0)
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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112 {
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113 *errmsg = "lseek";
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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114 *err = errno;
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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115 return 0;
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116 }
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117
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118 do
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119 {
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120 ssize_t wrote = write (descriptor, buffer, size);
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121 if (wrote == 0)
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122 break;
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123 else if (wrote > 0)
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124 {
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125 buffer += wrote;
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126 size -= wrote;
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127 }
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128 else if (errno != EINTR)
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129 {
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130 *errmsg = "write";
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131 *err = errno;
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132 return 0;
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133 }
68
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134 }
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135 while (size > 0);
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136
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137 if (size > 0)
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138 {
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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139 *errmsg = "short write";
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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140 *err = 0;
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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141 return 0;
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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142 }
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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143
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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144 return 1;
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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145 }
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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146
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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147 /* Open for read. */
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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148
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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149 simple_object_read *
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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150 simple_object_start_read (int descriptor, off_t offset,
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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151 const char *segment_name, const char **errmsg,
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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152 int *err)
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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153 {
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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154 unsigned char header[SIMPLE_OBJECT_MATCH_HEADER_LEN];
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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155 size_t len, i;
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
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156
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
157 if (!simple_object_internal_read (descriptor, offset, header,
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
158 SIMPLE_OBJECT_MATCH_HEADER_LEN,
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
159 errmsg, err))
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
160 return NULL;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
161
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
162 len = sizeof (format_functions) / sizeof (format_functions[0]);
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
163 for (i = 0; i < len; ++i)
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
164 {
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
165 void *data;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
166
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
167 data = format_functions[i]->match (header, descriptor, offset,
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
168 segment_name, errmsg, err);
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
169 if (data != NULL)
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
170 {
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
171 simple_object_read *ret;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
172
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
173 ret = XNEW (simple_object_read);
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
174 ret->descriptor = descriptor;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
175 ret->offset = offset;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
176 ret->functions = format_functions[i];
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
177 ret->data = data;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
178 return ret;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
179 }
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
180 }
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
181
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
182 *errmsg = "file not recognized";
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
183 *err = 0;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
184 return NULL;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
185 }
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
186
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
187 /* Find all sections. */
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
188
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
189 const char *
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
190 simple_object_find_sections (simple_object_read *sobj,
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
191 int (*pfn) (void *, const char *, off_t, off_t),
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
192 void *data,
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
193 int *err)
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
194 {
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
195 return sobj->functions->find_sections (sobj, pfn, data, err);
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
196 }
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
197
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
198 /* Internal data passed to find_one_section. */
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
199
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
200 struct find_one_section_data
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
201 {
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
202 /* The section we are looking for. */
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
203 const char *name;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
204 /* Where to store the section offset. */
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
205 off_t *offset;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
206 /* Where to store the section length. */
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
207 off_t *length;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
208 /* Set if the name is found. */
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
209 int found;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
210 };
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
211
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
212 /* Internal function passed to find_sections. */
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
213
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
214 static int
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
215 find_one_section (void *data, const char *name, off_t offset, off_t length)
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
216 {
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
217 struct find_one_section_data *fosd = (struct find_one_section_data *) data;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
218
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
219 if (strcmp (name, fosd->name) != 0)
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
220 return 1;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
221
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
222 *fosd->offset = offset;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
223 *fosd->length = length;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
224 fosd->found = 1;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
225
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
226 /* Stop iteration. */
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
227 return 0;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
228 }
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
229
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
230 /* Find a section. */
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
231
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
232 int
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
233 simple_object_find_section (simple_object_read *sobj, const char *name,
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
234 off_t *offset, off_t *length,
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
235 const char **errmsg, int *err)
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
236 {
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
237 struct find_one_section_data fosd;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
238
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
239 fosd.name = name;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
240 fosd.offset = offset;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
241 fosd.length = length;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
242 fosd.found = 0;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
243
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
244 *errmsg = simple_object_find_sections (sobj, find_one_section,
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
245 (void *) &fosd, err);
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
246 if (*errmsg != NULL)
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
247 return 0;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
248 if (!fosd.found)
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
249 return 0;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
250 return 1;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
251 }
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
252
111
kono
parents: 68
diff changeset
253 /* Callback to identify and rename LTO debug sections by name.
kono
parents: 68
diff changeset
254 Returns 1 if NAME is a LTO debug section, 0 if not. */
kono
parents: 68
diff changeset
255
kono
parents: 68
diff changeset
256 static int
kono
parents: 68
diff changeset
257 handle_lto_debug_sections (const char **name)
kono
parents: 68
diff changeset
258 {
kono
parents: 68
diff changeset
259 /* ??? So we can't use .gnu.lto_ prefixed sections as the assembler
kono
parents: 68
diff changeset
260 complains about bogus section flags. Which means we need to arrange
kono
parents: 68
diff changeset
261 for that to be fixed or .gnu.debuglto_ marked as SHF_EXCLUDE (to make
kono
parents: 68
diff changeset
262 fat lto object tooling work for the fat part). */
kono
parents: 68
diff changeset
263 /* ??? For now this handles both .gnu.lto_ and .gnu.debuglto_ prefixed
kono
parents: 68
diff changeset
264 sections. */
kono
parents: 68
diff changeset
265 /* Copy LTO debug sections and rename them to their non-LTO name. */
kono
parents: 68
diff changeset
266 if (strncmp (*name, ".gnu.debuglto_", sizeof (".gnu.debuglto_") - 1) == 0)
kono
parents: 68
diff changeset
267 {
kono
parents: 68
diff changeset
268 *name = *name + sizeof (".gnu.debuglto_") - 1;
kono
parents: 68
diff changeset
269 return 1;
kono
parents: 68
diff changeset
270 }
kono
parents: 68
diff changeset
271 else if (strncmp (*name, ".gnu.lto_.debug_", sizeof (".gnu.lto_.debug_") -1) == 0)
kono
parents: 68
diff changeset
272 {
kono
parents: 68
diff changeset
273 *name = *name + sizeof (".gnu.lto_") - 1;
kono
parents: 68
diff changeset
274 return 1;
kono
parents: 68
diff changeset
275 }
kono
parents: 68
diff changeset
276 /* Copy over .note.GNU-stack section under the same name if present. */
kono
parents: 68
diff changeset
277 else if (strcmp (*name, ".note.GNU-stack") == 0)
kono
parents: 68
diff changeset
278 return 1;
kono
parents: 68
diff changeset
279 return 0;
kono
parents: 68
diff changeset
280 }
kono
parents: 68
diff changeset
281
kono
parents: 68
diff changeset
282 /* Copy LTO debug sections. */
kono
parents: 68
diff changeset
283
kono
parents: 68
diff changeset
284 const char *
kono
parents: 68
diff changeset
285 simple_object_copy_lto_debug_sections (simple_object_read *sobj,
kono
parents: 68
diff changeset
286 const char *dest, int *err)
kono
parents: 68
diff changeset
287 {
kono
parents: 68
diff changeset
288 const char *errmsg;
kono
parents: 68
diff changeset
289 simple_object_write *dest_sobj;
kono
parents: 68
diff changeset
290 simple_object_attributes *attrs;
kono
parents: 68
diff changeset
291 int outfd;
kono
parents: 68
diff changeset
292
kono
parents: 68
diff changeset
293 if (! sobj->functions->copy_lto_debug_sections)
kono
parents: 68
diff changeset
294 {
kono
parents: 68
diff changeset
295 *err = EINVAL;
kono
parents: 68
diff changeset
296 return "simple_object_copy_lto_debug_sections not implemented";
kono
parents: 68
diff changeset
297 }
kono
parents: 68
diff changeset
298
kono
parents: 68
diff changeset
299 attrs = simple_object_fetch_attributes (sobj, &errmsg, err);
kono
parents: 68
diff changeset
300 if (! attrs)
kono
parents: 68
diff changeset
301 return errmsg;
kono
parents: 68
diff changeset
302 dest_sobj = simple_object_start_write (attrs, NULL, &errmsg, err);
kono
parents: 68
diff changeset
303 simple_object_release_attributes (attrs);
kono
parents: 68
diff changeset
304 if (! dest_sobj)
kono
parents: 68
diff changeset
305 return errmsg;
kono
parents: 68
diff changeset
306
kono
parents: 68
diff changeset
307 errmsg = sobj->functions->copy_lto_debug_sections (sobj, dest_sobj,
kono
parents: 68
diff changeset
308 handle_lto_debug_sections,
kono
parents: 68
diff changeset
309 err);
kono
parents: 68
diff changeset
310 if (errmsg)
kono
parents: 68
diff changeset
311 {
kono
parents: 68
diff changeset
312 simple_object_release_write (dest_sobj);
kono
parents: 68
diff changeset
313 return errmsg;
kono
parents: 68
diff changeset
314 }
kono
parents: 68
diff changeset
315
kono
parents: 68
diff changeset
316 outfd = creat (dest, 00777);
kono
parents: 68
diff changeset
317 if (outfd == -1)
kono
parents: 68
diff changeset
318 {
kono
parents: 68
diff changeset
319 *err = errno;
kono
parents: 68
diff changeset
320 simple_object_release_write (dest_sobj);
kono
parents: 68
diff changeset
321 return "open failed";
kono
parents: 68
diff changeset
322 }
kono
parents: 68
diff changeset
323
kono
parents: 68
diff changeset
324 errmsg = simple_object_write_to_file (dest_sobj, outfd, err);
kono
parents: 68
diff changeset
325 close (outfd);
kono
parents: 68
diff changeset
326 if (errmsg)
kono
parents: 68
diff changeset
327 {
kono
parents: 68
diff changeset
328 simple_object_release_write (dest_sobj);
kono
parents: 68
diff changeset
329 return errmsg;
kono
parents: 68
diff changeset
330 }
kono
parents: 68
diff changeset
331
kono
parents: 68
diff changeset
332 simple_object_release_write (dest_sobj);
kono
parents: 68
diff changeset
333 return NULL;
kono
parents: 68
diff changeset
334 }
kono
parents: 68
diff changeset
335
68
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
336 /* Fetch attributes. */
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
337
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
338 simple_object_attributes *
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
339 simple_object_fetch_attributes (simple_object_read *sobj, const char **errmsg,
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
340 int *err)
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
341 {
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
342 void *data;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
343 simple_object_attributes *ret;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
344
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
345 data = sobj->functions->fetch_attributes (sobj, errmsg, err);
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
346 if (data == NULL)
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
347 return NULL;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
348 ret = XNEW (simple_object_attributes);
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
349 ret->functions = sobj->functions;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
350 ret->data = data;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
351 return ret;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
352 }
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
353
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
354 /* Release an simple_object_read. */
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
355
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
356 void
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
357 simple_object_release_read (simple_object_read *sobj)
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
358 {
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
359 sobj->functions->release_read (sobj->data);
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
360 XDELETE (sobj);
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
361 }
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
362
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
363 /* Merge attributes. */
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
364
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
365 const char *
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
366 simple_object_attributes_merge (simple_object_attributes *to,
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
367 simple_object_attributes *from,
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
368 int *err)
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
369 {
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
370 if (to->functions != from->functions)
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
371 {
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
372 *err = 0;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
373 return "different object file format";
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
374 }
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
375 return to->functions->attributes_merge (to->data, from->data, err);
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
376 }
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
377
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
378 /* Release an attributes structure. */
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
379
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
380 void
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
381 simple_object_release_attributes (simple_object_attributes *attrs)
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
382 {
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
383 attrs->functions->release_attributes (attrs->data);
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
384 XDELETE (attrs);
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
385 }
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
386
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
387 /* Start creating an object file. */
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
388
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
389 simple_object_write *
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
390 simple_object_start_write (simple_object_attributes *attrs,
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
391 const char *segment_name, const char **errmsg,
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
392 int *err)
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
393 {
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
394 void *data;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
395 simple_object_write *ret;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
396
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
397 data = attrs->functions->start_write (attrs->data, errmsg, err);
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
398 if (data == NULL)
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
399 return NULL;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
400 ret = XNEW (simple_object_write);
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
401 ret->functions = attrs->functions;
111
kono
parents: 68
diff changeset
402 ret->segment_name = segment_name ? xstrdup (segment_name) : NULL;
68
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
403 ret->sections = NULL;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
404 ret->last_section = NULL;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
405 ret->data = data;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
406 return ret;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
407 }
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
408
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
409 /* Start creating a section. */
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
410
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
411 simple_object_write_section *
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
412 simple_object_write_create_section (simple_object_write *sobj, const char *name,
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
413 unsigned int align,
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
414 const char **errmsg ATTRIBUTE_UNUSED,
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
415 int *err ATTRIBUTE_UNUSED)
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
416 {
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
417 simple_object_write_section *ret;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
418
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
419 ret = XNEW (simple_object_write_section);
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
420 ret->next = NULL;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
421 ret->name = xstrdup (name);
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
422 ret->align = align;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
423 ret->buffers = NULL;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
424 ret->last_buffer = NULL;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
425
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
426 if (sobj->last_section == NULL)
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
427 {
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
428 sobj->sections = ret;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
429 sobj->last_section = ret;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
430 }
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
431 else
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
432 {
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
433 sobj->last_section->next = ret;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
434 sobj->last_section = ret;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
435 }
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
436
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
437 return ret;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
438 }
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
439
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
440 /* Add data to a section. */
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
441
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
442 const char *
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
443 simple_object_write_add_data (simple_object_write *sobj ATTRIBUTE_UNUSED,
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
444 simple_object_write_section *section,
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
445 const void *buffer,
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
446 size_t size, int copy,
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
447 int *err ATTRIBUTE_UNUSED)
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
448 {
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
449 struct simple_object_write_section_buffer *wsb;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
450
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
451 wsb = XNEW (struct simple_object_write_section_buffer);
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
452 wsb->next = NULL;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
453 wsb->size = size;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
454
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
455 if (!copy)
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
456 {
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
457 wsb->buffer = buffer;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
458 wsb->free_buffer = NULL;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
459 }
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
460 else
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
461 {
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
462 wsb->free_buffer = (void *) XNEWVEC (char, size);
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
463 memcpy (wsb->free_buffer, buffer, size);
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
464 wsb->buffer = wsb->free_buffer;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
465 }
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
466
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
467 if (section->last_buffer == NULL)
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
468 {
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
469 section->buffers = wsb;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
470 section->last_buffer = wsb;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
471 }
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
472 else
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
473 {
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
474 section->last_buffer->next = wsb;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
475 section->last_buffer = wsb;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
476 }
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
477
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
478 return NULL;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
479 }
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
480
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
481 /* Write the complete object file. */
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
482
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
483 const char *
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
484 simple_object_write_to_file (simple_object_write *sobj, int descriptor,
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
485 int *err)
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
486 {
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
487 return sobj->functions->write_to_file (sobj, descriptor, err);
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
488 }
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
489
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
490 /* Release an simple_object_write. */
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
491
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
492 void
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
493 simple_object_release_write (simple_object_write *sobj)
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
494 {
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
495 simple_object_write_section *section;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
496
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
497 free (sobj->segment_name);
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
498
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
499 section = sobj->sections;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
500 while (section != NULL)
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
501 {
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
502 struct simple_object_write_section_buffer *buffer;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
503 simple_object_write_section *next_section;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
504
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
505 buffer = section->buffers;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
506 while (buffer != NULL)
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
507 {
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
508 struct simple_object_write_section_buffer *next_buffer;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
509
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
510 if (buffer->free_buffer != NULL)
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
511 XDELETEVEC (buffer->free_buffer);
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
512 next_buffer = buffer->next;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
513 XDELETE (buffer);
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
514 buffer = next_buffer;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
515 }
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
516
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
517 next_section = section->next;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
518 free (section->name);
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
519 XDELETE (section);
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
520 section = next_section;
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
521 }
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
522
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
523 sobj->functions->release_write (sobj->data);
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
524 XDELETE (sobj);
561a7518be6b update gcc-4.6
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
525 }