1 /* Subroutines for the gcc driver.
2 Copyright (C) 2009, 2010 Free Software Foundation, Inc.
3 Contributed by Anatoly Sokolov <aesok@post.ru>
5 This file is part of GCC.
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)
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.
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/>. */
23 #include "coretypes.h"
26 /* Current architecture. */
27 const struct base_arch_s
*avr_current_arch
= NULL
;
30 const struct mcu_type_s
*avr_current_device
= NULL
;
32 /* Initialize avr_current_arch and avr_current_device variables. */
35 avr_set_current_device (const char *name
)
38 if (NULL
!= avr_current_arch
)
41 for (avr_current_device
= avr_mcu_types
; avr_current_device
->name
;
44 if (strcmp (avr_current_device
->name
, name
) == 0)
48 avr_current_arch
= &avr_arch_types
[avr_current_device
->arch
];
51 /* Returns command line parameters that describe the device architecture. */
54 avr_device_to_arch (int argc
, const char **argv
)
59 avr_set_current_device (argv
[0]);
61 return concat ("-m ", avr_current_arch
->arch_name
, NULL
);
64 /* Returns command line parameters that describe start of date section. */
67 avr_device_to_data_start (int argc
, const char **argv
)
69 unsigned long data_section_start
;
70 char data_section_start_str
[16];
75 avr_set_current_device (argv
[0]);
77 if (avr_current_device
->data_section_start
78 == avr_current_arch
->default_data_section_start
)
81 data_section_start
= 0x800000 + avr_current_device
->data_section_start
;
83 snprintf (data_section_start_str
, sizeof(data_section_start_str
) - 1,
84 "0x%lX", data_section_start
);
86 return concat ("-Tdata ", data_section_start_str
, NULL
);
89 /* Returns command line parameters that describe the device startfile. */
92 avr_device_to_startfiles (int argc
, const char **argv
)
97 avr_set_current_device (argv
[0]);
99 return concat ("crt", avr_current_device
->library_name
, ".o%s", NULL
);
102 /* Returns command line parameters that describe the device library. */
105 avr_device_to_devicelib (int argc
, const char **argv
)
110 avr_set_current_device (argv
[0]);
112 return concat ("-l", avr_current_device
->library_name
, NULL
);