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mbed-sdk-tools
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Diff: toolchains/gcc.py
- Revision:
- 36:96847d42f010
- Parent:
- 35:da9c89f8be7d
- Child:
- 40:7d3fa6b99b2b
diff -r da9c89f8be7d -r 96847d42f010 toolchains/gcc.py
--- a/toolchains/gcc.py Wed Feb 15 13:53:18 2017 -0600
+++ b/toolchains/gcc.py Thu Jun 22 11:12:28 2017 -0500
@@ -15,7 +15,8 @@
limitations under the License.
"""
import re
-from os.path import join, basename, splitext
+from os.path import join, basename, splitext, dirname, exists
+from distutils.spawn import find_executable
from tools.toolchains import mbedToolchain, TOOLCHAIN_PATHS
from tools.hooks import hook_tool
@@ -29,12 +30,13 @@
INDEX_PATTERN = re.compile('(?P<col>\s*)\^')
def __init__(self, target, notify=None, macros=None,
- silent=False, tool_path="", extra_verbose=False,
- build_profile=None):
+ silent=False, extra_verbose=False, build_profile=None,
+ build_dir=None):
mbedToolchain.__init__(self, target, notify, macros, silent,
extra_verbose=extra_verbose,
- build_profile=build_profile)
+ build_profile=build_profile, build_dir=build_dir)
+ tool_path=TOOLCHAIN_PATHS['GCC_ARM']
# Add flags for current size setting
default_lib = "std"
if hasattr(target, "default_lib"):
@@ -58,7 +60,7 @@
cpu = target.core.lower()
self.cpu = ["-mcpu=%s" % cpu]
- if target.core.startswith("Cortex"):
+ if target.core.startswith("Cortex-M"):
self.cpu.append("-mthumb")
# FPU handling, M7 possibly to have double FPU
@@ -92,7 +94,8 @@
self.flags['ld'] += self.cpu
self.ld = [join(tool_path, "arm-none-eabi-gcc")] + self.flags['ld']
- self.sys_libs = ["stdc++", "supc++", "m", "c", "gcc"]
+ self.sys_libs = ["stdc++", "supc++", "m", "c", "gcc", "nosys"]
+ self.preproc = [join(tool_path, "arm-none-eabi-cpp"), "-E", "-P"]
self.ar = join(tool_path, "arm-none-eabi-ar")
self.elf2bin = join(tool_path, "arm-none-eabi-objcopy")
@@ -125,7 +128,7 @@
# The warning/error notification is multiline
msg = None
for line in output.splitlines():
- match = GCC.DIAGNOSTIC_PATTERN.search(line)
+ match = self.DIAGNOSTIC_PATTERN.search(line)
if match is not None:
if msg is not None:
self.cc_info(msg)
@@ -142,7 +145,7 @@
}
elif msg is not None:
# Determine the warning/error column by calculating the ^ position
- match = GCC.INDEX_PATTERN.match(line)
+ match = self.INDEX_PATTERN.match(line)
if match is not None:
msg['col'] = len(match.group('col'))
self.cc_info(msg)
@@ -213,6 +216,15 @@
libs.append("-l%s" % name[3:])
libs.extend(["-l%s" % l for l in self.sys_libs])
+ # Preprocess
+ if mem_map:
+ preproc_output = join(dirname(output), ".link_script.ld")
+ cmd = (self.preproc + [mem_map] + self.ld[1:] +
+ [ "-o", preproc_output])
+ self.cc_verbose("Preproc: %s" % ' '.join(cmd))
+ self.default_cmd(cmd)
+ mem_map = preproc_output
+
# Build linker command
map_file = splitext(output)[0] + ".map"
cmd = self.ld + ["-o", output, "-Wl,-Map=%s" % map_file] + objects + ["-Wl,--start-group"] + libs + ["-Wl,--end-group"]
@@ -249,7 +261,9 @@
@hook_tool
def binary(self, resources, elf, bin):
# Build binary command
- cmd = [self.elf2bin, "-O", "binary", elf, bin]
+ _, fmt = splitext(bin)
+ bin_arg = {'.bin': 'binary', '.hex': 'ihex'}[fmt]
+ cmd = [self.elf2bin, "-O", bin_arg, elf, bin]
# Call cmdline hook
cmd = self.hook.get_cmdline_binary(cmd)
@@ -258,46 +272,32 @@
self.cc_verbose("FromELF: %s" % ' '.join(cmd))
self.default_cmd(cmd)
+ @staticmethod
+ def name_mangle(name):
+ return "_Z%i%sv" % (len(name), name)
-class GCC_ARM(GCC):
+ @staticmethod
+ def make_ld_define(name, value):
+ return "-D%s=0x%x" % (name, value)
+
+ @staticmethod
+ def redirect_symbol(source, sync, build_dir):
+ return "-Wl,--defsym=%s=%s" % (source, sync)
+
@staticmethod
def check_executable():
"""Returns True if the executable (arm-none-eabi-gcc) location
specified by the user exists OR the executable can be found on the PATH.
Returns False otherwise."""
- return mbedToolchain.generic_check_executable("GCC_ARM", 'arm-none-eabi-gcc', 1)
-
- def __init__(self, target, notify=None, macros=None,
- silent=False, extra_verbose=False, build_profile=None):
- GCC.__init__(self, target, notify, macros, silent,
- TOOLCHAIN_PATHS['GCC_ARM'], extra_verbose=extra_verbose,
- build_profile=build_profile)
-
- self.sys_libs.append("nosys")
-
+ if not TOOLCHAIN_PATHS['GCC_ARM'] or not exists(TOOLCHAIN_PATHS['GCC_ARM']):
+ if find_executable('arm-none-eabi-gcc'):
+ TOOLCHAIN_PATHS['GCC_ARM'] = ''
+ return True
+ else:
+ return False
+ else:
+ exec_name = join(TOOLCHAIN_PATHS['GCC_ARM'], 'arm-none-eabi-gcc')
+ return exists(exec_name) or exists(exec_name + '.exe')
-class GCC_CR(GCC):
- @staticmethod
- def check_executable():
- """Returns True if the executable (arm-none-eabi-gcc) location
- specified by the user exists OR the executable can be found on the PATH.
- Returns False otherwise."""
- return mbedToolchain.generic_check_executable("GCC_CR", 'arm-none-eabi-gcc', 1)
-
- def __init__(self, target, notify=None, macros=None,
- silent=False, extra_verbose=False, build_profile=None):
- GCC.__init__(self, target, notify, macros, silent,
- TOOLCHAIN_PATHS['GCC_CR'], extra_verbose=extra_verbose,
- build_profile=build_profile)
-
- additional_compiler_flags = [
- "-D__NEWLIB__", "-D__CODE_RED", "-D__USE_CMSIS", "-DCPP_USE_HEAP",
- ]
- self.cc += additional_compiler_flags
- self.cppc += additional_compiler_flags
-
- # Use latest gcc nanolib
- self.ld.append("--specs=nano.specs")
- if target.name in ["LPC1768", "LPC4088", "LPC4088_DM", "LPC4330", "UBLOX_C027", "LPC2368"]:
- self.ld.extend(["-u _printf_float", "-u _scanf_float"])
- self.ld += ["-nostdlib"]
+class GCC_ARM(GCC):
+ pass
