Mercurial > hg > CbC > CbC_gcc

annotate gcc/config/avr/driver-avr.c @ 55:77e2b8dfacca gcc-4.4.5

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update it from 4.4.3 to 4.5.0
author ryoma <e075725@ie.u-ryukyu.ac.jp>
date Fri, 12 Feb 2010 23:39:51 +0900
parents
children f6334be47118
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rev   line source
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
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1 /* Subroutines for the gcc driver.
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2 Copyright (C) 2009 Free Software Foundation, Inc.
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3 Contributed by Anatoly Sokolov <aesok@post.ru>
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4
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5 This file is part of GCC.
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6
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7 GCC is free software; you can redistribute it and/or modify
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8 it under the terms of the GNU General Public License as published by
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9 the Free Software Foundation; either version 3, or (at your option)
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10 any later version.
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11
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12 GCC is distributed in the hope that it will be useful,
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13 but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 GNU General Public License for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with GCC; see the file COPYING3. If not see
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19 <http://www.gnu.org/licenses/>. */
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20
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21 #include "config.h"
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22 #include "system.h"
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23 #include "coretypes.h"
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24 #include "tm.h"
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25 #include <stdlib.h>
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26
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27 /* Current architecture. */
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28 const struct base_arch_s *avr_current_arch = NULL;
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29
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30 /* Current device. */
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31 const struct mcu_type_s *avr_current_device = NULL;
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32
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33 /* Initialize avr_current_arch and avr_current_device variables. */
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34
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35 static void
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36 avr_set_current_device (const char *name)
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37 {
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38
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39 if (NULL != avr_current_arch)
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40 return;
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41
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42 for (avr_current_device = avr_mcu_types; avr_current_device->name;
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43 avr_current_device++)
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44 {
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45 if (strcmp (avr_current_device->name, name) == 0)
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46 break;
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47 }
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48
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49 avr_current_arch = &avr_arch_types[avr_current_device->arch];
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50 }
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51
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52 /* Returns command line parameters that describe the device architecture. */
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53
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54 const char *
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55 avr_device_to_arch (int argc, const char **argv)
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56 {
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57 if (0 == argc)
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58 return;
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59
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60 avr_set_current_device (argv[0]);
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61
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62 return concat ("-m ", avr_current_arch->arch_name, NULL);
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63 }
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64
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65 /* Returns command line parameters that describe start of date section. */
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66
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67 const char *
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68 avr_device_to_data_start (int argc, const char **argv)
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69 {
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70 unsigned long data_section_start;
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71 char data_section_start_str[16];
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72
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73 if (0 == argc)
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74 return;
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75
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76 avr_set_current_device (argv[0]);
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77
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78 if (avr_current_device->data_section_start
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79 == avr_current_arch->default_data_section_start)
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80 return NULL;
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81
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82 data_section_start = 0x800000 + avr_current_device->data_section_start;
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83
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84 snprintf (data_section_start_str, sizeof(data_section_start_str) - 1,
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85 "0x%lX", data_section_start);
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86
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87 return concat ("-Tdata ", data_section_start_str, NULL);
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88 }
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89
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90 /* Returns command line parameters that describe the device startfile. */
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91
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92 const char *
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93 avr_device_to_startfiles (int argc, const char **argv)
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94 {
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95 if (0 == argc)
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96 return;
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97
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98 avr_set_current_device (argv[0]);
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99
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100 return concat ("crt", avr_current_device->library_name, ".o%s", NULL);
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101 }
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102
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103 /* Returns command line parameters that describe the device library. */
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104
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105 const char *
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106 avr_device_to_devicelib (int argc, const char **argv)
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107 {
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108 if (0 == argc)
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109 return;
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110
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111 avr_set_current_device (argv[0]);
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112
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113 return concat ("-l", avr_current_device->library_name, NULL);
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114 }
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115