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#
# RTEMS Tools Project (http://www.rtems.org/)
# Copyright 2010-2018 Chris Johns (chrisj@rtems.org)
# All rights reserved.
#
# This file is part of the RTEMS Tools package in 'rtems-tools'.
#
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#
# Windows specific support and overrides.
#
import os
import sys
from . import error
from . import execute
from . import path
def load():
# Default to the native Windows Python.
uname = 'win32'
if 'PROCESSOR_ARCHITECTURE' in os.environ:
if os.environ['PROCESSOR_ARCHITECTURE'] == 'AMD64':
hosttype = 'x86_64'
machsize = '64'
else:
hosttype = 'i686'
machsize = '32'
else:
hosttype = 'x86_64'
machsize = '32'
uname = 'mingw32'
machine = 'w%s' % (machsize)
# Set the C/C++ compilers we want to use.
cc = '%s-%s-%s-gcc' % (hosttype, machine, uname)
cxx = '%s-%s-%s-g++' % (hosttype, machine, uname)
# See if this is actually MSYS2/Cygwin Python
if os.name == 'posix':
_uname = os.uname()
if _uname[0].startswith('MINGW'):
pass
elif _uname[0].startswith('CYGWIN'):
hosttype = _uname[4]
uname = 'cygwin'
machine = 'pc'
cc = 'gcc'
cxx = 'g++'
else:
raise error.general('invalid POSIX python for Windows')
host_triple = '%s-%s-%s' % (hosttype, machine, uname)
build_triple = '%s-%s-%s' % (hosttype, machine, uname)
if 'NUMBER_OF_PROCESSORS' in os.environ:
ncpus = os.environ['NUMBER_OF_PROCESSORS']
else:
ncpus = '1'
if 'MSYSTEM' in os.environ:
os.environ.pop('NUMBER_OF_PROCESSORS')
version = uname[2]
defines = {
'_ncpus': ('none', 'none', ncpus),
'_os': ('none', 'none', 'win32'),
'_windows_os': ('none', 'none', uname),
'_build': ('triplet', 'required', build_triple),
'_build_vendor': ('none', 'none', 'microsoft'),
'_build_os': ('none', 'none', 'win32'),
'_build_os_version': ('none', 'none', version),
'_build_cpu': ('none', 'none', hosttype),
'_build_alias': ('none', 'none', '%{nil}'),
'_build_arch': ('none', 'none', hosttype),
'_host': ('triplet', 'required', host_triple),
'_host_vendor': ('none', 'none', 'microsoft'),
'_host_os': ('none', 'none', 'win32'),
'_host_cpu': ('none', 'none', hosttype),
'_host_alias': ('none', 'none', '%{nil}'),
'_host_arch': ('none', 'none', hosttype),
'_usr': ('dir', 'optional', '/opt/local'),
'_var': ('dir', 'optional', '/opt/local/var'),
'__bash': ('exe', 'required', 'bash'),
'__bzip2': ('exe', 'required', 'bzip2'),
'__bison': ('exe', 'required', 'bison'),
'__cat': ('exe', 'required', 'cat'),
'__cc': ('exe', 'required', cc),
'__chgrp': ('exe', 'required', 'chgrp'),
'__chmod': ('exe', 'required', 'chmod'),
'__chown': ('exe', 'required', 'chown'),
'__cmake': ('exe', 'optional', 'cmake'),
'__cp': ('exe', 'required', 'cp'),
'__cvs': ('exe', 'optional', 'cvs'),
'__cxx': ('exe', 'required', cxx),
'__flex': ('exe', 'required', 'flex'),
'__git': ('exe', 'required', 'git'),
'__grep': ('exe', 'required', 'grep'),
'__gzip': ('exe', 'required', 'gzip'),
'__id': ('exe', 'required', 'id'),
'__install': ('exe', 'required', 'install'),
'__install_info': ('exe', 'required', 'install-info'),
'__ld': ('exe', 'required', 'ld'),
'__ldconfig': ('exe', 'none', ''),
'__makeinfo': ('exe', 'required', 'makeinfo'),
'__mkdir': ('exe', 'required', 'mkdir'),
'__mv': ('exe', 'required', 'mv'),
'__nm': ('exe', 'required', 'nm'),
'__nm': ('exe', 'required', 'nm'),
'__objcopy': ('exe', 'required', 'objcopy'),
'__objdump': ('exe', 'required', 'objdump'),
'__patch': ('exe', 'required', 'patch'),
'__patch_bin': ('exe', 'required', 'patch'),
'__rm': ('exe', 'required', 'rm'),
'__sed': ('exe', 'required', 'sed'),
'__sh': ('exe', 'required', 'sh'),
'__tar': ('exe', 'required', 'tar'),
'__touch': ('exe', 'required', 'touch'),
'__unzip': ('exe', 'required', 'unzip'),
'__xz': ('exe', 'required', 'xz'),
'_buildshell': ('exe', 'required', '%{__sh}'),
'___setup_shell': ('exe', 'required', '%{__sh}')
}
#
# Locate a suitable python to use with GDB. Python Windows is more
# complicated than most hosts. There are 7 possible pythons on Windows and
# we can use only 4 which are split on machine size. The types are:
#
# 1. Python27 - python.org, cannot use cause built with MSVC.
# 2. Python35 - python.org, cannot use cause built with MSVC.
# 3. MSYS/Python - MSYS2, cannot use cause it is a MSYS executable.
# 4. W64/Python2 - Ok if machsize is 64
# 5. W64/Python3 - gdb-7.9 needs python2.
# 6. W64/Python2 - Ok if machsize is 32
# 7. W64/Python3 - gdb-7.9 needs python2.
#
# Find a suitable python2 and python3.
#
for p in os.environ['PATH'].split(os.pathsep):
sh = os.path.join(p, 'sh.exe')
if os.path.exists(sh) and os.path.isfile(sh):
break
sh = None
if sh is None:
raise error.general('cannot find a shell (sh.exe) in the PATH')
#
# Search the MSYS2 install tree for a suitable python.
#
if sys.platform == 'msys':
e = execute.capture_execution()
exit_code, proc, output = e.shell("sh -c mount")
if exit_code != 0:
raise error.general('cannot get MSYS mount points')
install_point = None
for l in output.split('\n'):
if ' on / ' in l:
install_point = l.split()[0]
break
if install_point is None:
raise error.general('cannot locate MSYS root mount point')
if install_point[1] != ':':
raise error.general('invalid MSYS root mount point: %s' % install_point)
install_point = path.shell(install_point)
mingw = path.join(install_point, 'mingw%s' % (machsize))
if not path.exists(mingw) or not path.isdir(mingw):
raise error.general('cannot find MinGW install: %s' % (path.host(mingw)))
for version in ['2', '3']:
python = 'python%s' % (version)
exe = path.join(mingw, 'bin', '%s.exe' % (python))
if not path.exists(exe) or not path.isdir(exe):
defines['gdb_python%s' % (version)] = exe
header = path.join(mingw, python)
return defines
if __name__ == '__main__':
import pprint
pprint.pprint(load())
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