Mercurial > hg > CbC > CbC_gcc
comparison gcc/config/avr/driver-avr.c @ 55:77e2b8dfacca gcc-4.4.5
update it from 4.4.3 to 4.5.0
author | ryoma <e075725@ie.u-ryukyu.ac.jp> |
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date | Fri, 12 Feb 2010 23:39:51 +0900 |
parents | |
children | f6334be47118 |
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52:c156f1bd5cd9 | 55:77e2b8dfacca |
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1 /* Subroutines for the gcc driver. | |
2 Copyright (C) 2009 Free Software Foundation, Inc. | |
3 Contributed by Anatoly Sokolov <aesok@post.ru> | |
4 | |
5 This file is part of GCC. | |
6 | |
7 GCC is free software; you can redistribute it and/or modify | |
8 it under the terms of the GNU General Public License as published by | |
9 the Free Software Foundation; either version 3, or (at your option) | |
10 any later version. | |
11 | |
12 GCC is distributed in the hope that it will be useful, | |
13 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 GNU General Public License for more details. | |
16 | |
17 You should have received a copy of the GNU General Public License | |
18 along with GCC; see the file COPYING3. If not see | |
19 <http://www.gnu.org/licenses/>. */ | |
20 | |
21 #include "config.h" | |
22 #include "system.h" | |
23 #include "coretypes.h" | |
24 #include "tm.h" | |
25 #include <stdlib.h> | |
26 | |
27 /* Current architecture. */ | |
28 const struct base_arch_s *avr_current_arch = NULL; | |
29 | |
30 /* Current device. */ | |
31 const struct mcu_type_s *avr_current_device = NULL; | |
32 | |
33 /* Initialize avr_current_arch and avr_current_device variables. */ | |
34 | |
35 static void | |
36 avr_set_current_device (const char *name) | |
37 { | |
38 | |
39 if (NULL != avr_current_arch) | |
40 return; | |
41 | |
42 for (avr_current_device = avr_mcu_types; avr_current_device->name; | |
43 avr_current_device++) | |
44 { | |
45 if (strcmp (avr_current_device->name, name) == 0) | |
46 break; | |
47 } | |
48 | |
49 avr_current_arch = &avr_arch_types[avr_current_device->arch]; | |
50 } | |
51 | |
52 /* Returns command line parameters that describe the device architecture. */ | |
53 | |
54 const char * | |
55 avr_device_to_arch (int argc, const char **argv) | |
56 { | |
57 if (0 == argc) | |
58 return; | |
59 | |
60 avr_set_current_device (argv[0]); | |
61 | |
62 return concat ("-m ", avr_current_arch->arch_name, NULL); | |
63 } | |
64 | |
65 /* Returns command line parameters that describe start of date section. */ | |
66 | |
67 const char * | |
68 avr_device_to_data_start (int argc, const char **argv) | |
69 { | |
70 unsigned long data_section_start; | |
71 char data_section_start_str[16]; | |
72 | |
73 if (0 == argc) | |
74 return; | |
75 | |
76 avr_set_current_device (argv[0]); | |
77 | |
78 if (avr_current_device->data_section_start | |
79 == avr_current_arch->default_data_section_start) | |
80 return NULL; | |
81 | |
82 data_section_start = 0x800000 + avr_current_device->data_section_start; | |
83 | |
84 snprintf (data_section_start_str, sizeof(data_section_start_str) - 1, | |
85 "0x%lX", data_section_start); | |
86 | |
87 return concat ("-Tdata ", data_section_start_str, NULL); | |
88 } | |
89 | |
90 /* Returns command line parameters that describe the device startfile. */ | |
91 | |
92 const char * | |
93 avr_device_to_startfiles (int argc, const char **argv) | |
94 { | |
95 if (0 == argc) | |
96 return; | |
97 | |
98 avr_set_current_device (argv[0]); | |
99 | |
100 return concat ("crt", avr_current_device->library_name, ".o%s", NULL); | |
101 } | |
102 | |
103 /* Returns command line parameters that describe the device library. */ | |
104 | |
105 const char * | |
106 avr_device_to_devicelib (int argc, const char **argv) | |
107 { | |
108 if (0 == argc) | |
109 return; | |
110 | |
111 avr_set_current_device (argv[0]); | |
112 | |
113 return concat ("-l", avr_current_device->library_name, NULL); | |
114 } | |
115 |