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author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
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committer | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
commit | 1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch) | |
tree | c607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/config/avr/driver-avr.c | |
parent | 283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff) | |
download | toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2 toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip |
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/config/avr/driver-avr.c')
-rw-r--r-- | gcc-4.9/gcc/config/avr/driver-avr.c | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/config/avr/driver-avr.c b/gcc-4.9/gcc/config/avr/driver-avr.c new file mode 100644 index 000000000..cb5dd1d1d --- /dev/null +++ b/gcc-4.9/gcc/config/avr/driver-avr.c @@ -0,0 +1,150 @@ +/* Subroutines for the gcc driver. + Copyright (C) 2009-2014 Free Software Foundation, Inc. + Contributed by Anatoly Sokolov <aesok@post.ru> + +This file is part of GCC. + +GCC is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 3, or (at your option) +any later version. + +GCC is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GCC; see the file COPYING3. If not see +<http://www.gnu.org/licenses/>. */ + +#include "config.h" +#include "system.h" +#include "coretypes.h" +#include "tm.h" + +/* Current architecture. */ +const avr_arch_t *avr_current_arch = NULL; + +/* Current device. */ +const avr_mcu_t *avr_current_device = NULL; + +/* Initialize avr_current_arch and avr_current_device variables. */ + +static void +avr_set_current_device (const char *name) +{ + + if (NULL != avr_current_arch) + return; + + for (avr_current_device = avr_mcu_types; avr_current_device->name; + avr_current_device++) + { + if (strcmp (avr_current_device->name, name) == 0) + break; + } + + avr_current_arch = &avr_arch_types[avr_current_device->arch]; +} + +/* Returns command line parameters to pass to as. */ + +const char* +avr_device_to_as (int argc, const char **argv) +{ + if (0 == argc) + return NULL; + + avr_set_current_device (argv[0]); + + return concat ("-mmcu=", avr_current_arch->arch_name, + avr_current_device->errata_skip ? "" : " -mno-skip-bug", + NULL); +} + +/* Returns command line parameters to pass to ld. */ + +const char* +avr_device_to_ld (int argc, const char **argv) +{ + if (0 == argc) + return NULL; + + avr_set_current_device (argv[0]); + + return concat ("-m ", avr_current_arch->arch_name, NULL); +} + +/* Returns command line parameters that describe start of date section. */ + +const char * +avr_device_to_data_start (int argc, const char **argv) +{ + unsigned long data_section_start; + char data_section_start_str[16]; + + if (0 == argc) + return NULL; + + avr_set_current_device (argv[0]); + + if (avr_current_device->data_section_start + == avr_current_arch->default_data_section_start) + return NULL; + + data_section_start = 0x800000 + avr_current_device->data_section_start; + + snprintf (data_section_start_str, sizeof(data_section_start_str) - 1, + "0x%lX", data_section_start); + + return concat ("-Tdata ", data_section_start_str, NULL); +} + +/* Returns command line parameters that describe the device startfile. */ + +const char * +avr_device_to_startfiles (int argc, const char **argv) +{ + if (0 == argc) + return NULL; + + avr_set_current_device (argv[0]); + + return concat ("crt", avr_current_device->library_name, ".o%s", NULL); +} + +/* Returns command line parameters that describe the device library. */ + +const char * +avr_device_to_devicelib (int argc, const char **argv) +{ + if (0 == argc) + return NULL; + + avr_set_current_device (argv[0]); + + return concat ("-l", avr_current_device->library_name, NULL); +} + +const char* +avr_device_to_sp8 (int argc, const char **argv) +{ + if (0 == argc) + return NULL; + + avr_set_current_device (argv[0]); + + /* Leave "avr2" and "avr25" alone. These two architectures are + the only ones that mix devices with 8-bit SP and 16-bit SP. + -msp8 is set by mmultilib machinery. */ + + if (avr_current_device->macro == NULL + && (avr_current_device->arch == ARCH_AVR2 + || avr_current_device->arch == ARCH_AVR25)) + return ""; + + return avr_current_device->short_sp + ? "-msp8" + : "%<msp8"; +} |