116 lines
2.9 KiB
C
Executable File
116 lines
2.9 KiB
C
Executable File
/* Subroutines for the gcc driver.
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Copyright (C) 2009 Free Software Foundation, Inc.
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Contributed by Anatoly Sokolov <aesok@post.ru>
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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GCC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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#include "config.h"
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#include "system.h"
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#include "coretypes.h"
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#include "tm.h"
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#include <stdlib.h>
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/* Current architecture. */
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const struct base_arch_s *avr_current_arch = NULL;
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/* Current device. */
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const struct mcu_type_s *avr_current_device = NULL;
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/* Initialize avr_current_arch and avr_current_device variables. */
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static void
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avr_set_current_device (const char *name)
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{
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if (NULL != avr_current_arch)
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return;
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for (avr_current_device = avr_mcu_types; avr_current_device->name;
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avr_current_device++)
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{
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if (strcmp (avr_current_device->name, name) == 0)
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break;
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}
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avr_current_arch = &avr_arch_types[avr_current_device->arch];
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}
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/* Returns command line parameters that describe the device architecture. */
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const char *
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avr_device_to_arch (int argc, const char **argv)
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{
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if (0 == argc)
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return;
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avr_set_current_device (argv[0]);
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return concat ("-m ", avr_current_arch->arch_name, NULL);
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}
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/* Returns command line parameters that describe start of date section. */
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const char *
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avr_device_to_data_start (int argc, const char **argv)
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{
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unsigned long data_section_start;
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char data_section_start_str[16];
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if (0 == argc)
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return;
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avr_set_current_device (argv[0]);
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if (avr_current_device->data_section_start
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== avr_current_arch->default_data_section_start)
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return NULL;
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data_section_start = 0x800000 + avr_current_device->data_section_start;
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snprintf (data_section_start_str, sizeof(data_section_start_str) - 1,
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"0x%lX", data_section_start);
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return concat ("-Tdata ", data_section_start_str, NULL);
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}
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/* Returns command line parameters that describe the device startfile. */
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const char *
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avr_device_to_startfiles (int argc, const char **argv)
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{
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if (0 == argc)
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return;
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avr_set_current_device (argv[0]);
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return concat ("crt", avr_current_device->library_name, ".o%s", NULL);
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}
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/* Returns command line parameters that describe the device library. */
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const char *
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avr_device_to_devicelib (int argc, const char **argv)
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{
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if (0 == argc)
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return;
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avr_set_current_device (argv[0]);
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return concat ("-l", avr_current_device->library_name, NULL);
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}
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