216 lines
6.6 KiB
Python
216 lines
6.6 KiB
Python
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#
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# File : gcc.py
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# This file is part of RT-Thread RTOS
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# COPYRIGHT (C) 2006 - 2018, RT-Thread Development Team
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#
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# This program 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 2 of the License, or
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# (at your option) any later version.
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#
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# This program 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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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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# Change Logs:
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# Date Author Notes
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# 2018-05-22 Bernard The first version
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import os
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import re
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import platform
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def GetGCCRoot(rtconfig):
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exec_path = rtconfig.EXEC_PATH
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prefix = rtconfig.PREFIX
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if prefix.endswith('-'):
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prefix = prefix[:-1]
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if exec_path == '/usr/bin':
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root_path = os.path.join('/usr/lib', prefix)
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else:
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root_path = os.path.join(exec_path, '..', prefix)
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return root_path
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def CheckHeader(rtconfig, filename):
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root = GetGCCRoot(rtconfig)
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fn = os.path.join(root, 'include', filename)
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if os.path.isfile(fn):
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return True
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# Usually the cross compiling gcc toolchain has directory as:
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#
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# bin
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# lib
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# share
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# arm-none-eabi
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# bin
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# include
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# lib
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# share
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prefix = rtconfig.PREFIX
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if prefix.endswith('-'):
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prefix = prefix[:-1]
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fn = os.path.join(root, prefix, 'include', filename)
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if os.path.isfile(fn):
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return True
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return False
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def GetNewLibVersion(rtconfig):
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version = 'unknown'
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root = GetGCCRoot(rtconfig)
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if CheckHeader(rtconfig, '_newlib_version.h'): # get version from _newlib_version.h file
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f = open(os.path.join(root, 'include', '_newlib_version.h'), 'r')
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if f:
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for line in f:
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if line.find('_NEWLIB_VERSION') != -1 and line.find('"') != -1:
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version = re.search(r'\"([^"]+)\"', line).groups()[0]
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f.close()
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elif CheckHeader(rtconfig, 'newlib.h'): # get version from newlib.h
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f = open(os.path.join(root, 'include', 'newlib.h'), 'r')
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if f:
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for line in f:
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if line.find('_NEWLIB_VERSION') != -1 and line.find('"') != -1:
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version = re.search(r'\"([^"]+)\"', line).groups()[0]
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f.close()
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return version
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def GCCResult(rtconfig, str):
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import subprocess
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result = ''
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def checkAndGetResult(pattern, string):
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if re.search(pattern, string):
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return re.search(pattern, string).group(0)
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return None
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gcc_cmd = os.path.join(rtconfig.EXEC_PATH, rtconfig.CC)
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# use temp file to get more information
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f = open('__tmp.c', 'w')
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if f:
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f.write(str)
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f.close()
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# '-fdirectives-only',
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if(platform.system() == 'Windows'):
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child = subprocess.Popen([gcc_cmd, '-E', '-P', '__tmp.c'], stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True)
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else:
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child = subprocess.Popen(gcc_cmd + ' -E -P __tmp.c', stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True)
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stdout, stderr = child.communicate()
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# print(stdout)
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if stderr != '':
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print(stderr)
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have_fdset = 0
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have_sigaction = 0
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have_sigevent = 0
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have_siginfo = 0
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have_sigval = 0
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version = None
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stdc = '1989'
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posix_thread = 0
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for line in stdout.split(b'\n'):
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line = line.decode()
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if re.search('fd_set', line):
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have_fdset = 1
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# check for sigal
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if re.search('struct[ \t]+sigaction', line):
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have_sigaction = 1
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if re.search('struct[ \t]+sigevent', line):
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have_sigevent = 1
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if re.search('siginfo_t', line):
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have_siginfo = 1
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if re.search('union[ \t]+sigval', line):
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have_sigval = 1
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if re.search('char\* version', line):
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version = re.search(r'\"([^"]+)\"', line).groups()[0]
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if re.findall('iso_c_visible = [\d]+', line):
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stdc = re.findall('[\d]+', line)[0]
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if re.findall('pthread_create', line):
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posix_thread = 1
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if have_fdset:
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result += '#define HAVE_FDSET 1\n'
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if have_sigaction:
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result += '#define HAVE_SIGACTION 1\n'
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if have_sigevent:
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result += '#define HAVE_SIGEVENT 1\n'
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if have_siginfo:
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result += '#define HAVE_SIGINFO 1\n'
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if have_sigval:
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result += '#define HAVE_SIGVAL 1\n'
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if version:
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result += '#define GCC_VERSION_STR "%s"\n' % version
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result += '#define STDC "%s"\n' % stdc
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if posix_thread:
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result += '#define LIBC_POSIX_THREADS 1\n'
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os.remove('__tmp.c')
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return result
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def GenerateGCCConfig(rtconfig):
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str = ''
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cc_header = ''
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cc_header += '#ifndef CCONFIG_H__\n'
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cc_header += '#define CCONFIG_H__\n'
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cc_header += '/* Automatically generated file; DO NOT EDIT. */\n'
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cc_header += '/* compiler configure file for RT-Thread in GCC*/\n\n'
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if CheckHeader(rtconfig, 'newlib.h'):
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str += '#include <newlib.h>\n'
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cc_header += '#define HAVE_NEWLIB_H 1\n'
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cc_header += '#define LIBC_VERSION "newlib %s"\n\n' % GetNewLibVersion(rtconfig)
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if CheckHeader(rtconfig, 'sys/signal.h'):
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str += '#include <sys/signal.h>\n'
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cc_header += '#define HAVE_SYS_SIGNAL_H 1\n'
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if CheckHeader(rtconfig, 'sys/select.h'):
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str += '#include <sys/select.h>\n'
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cc_header += '#define HAVE_SYS_SELECT_H 1\n'
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if CheckHeader(rtconfig, 'pthread.h'):
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str += "#include <pthread.h>\n"
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cc_header += '#define HAVE_PTHREAD_H 1\n'
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# if CheckHeader(rtconfig, 'sys/dirent.h'):
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# str += '#include <sys/dirent.h>\n'
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# add some common features
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str += 'const char* version = __VERSION__;\n'
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str += 'const int iso_c_visible = __ISO_C_VISIBLE;\n'
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str += '\n#ifdef HAVE_INITFINI_ARRAY\n'
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str += 'const int init_fini_array = HAVE_INITFINI_ARRAY;\n'
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str += '#endif\n'
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cc_header += '\n'
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cc_header += GCCResult(rtconfig, str)
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cc_header += '\n#endif\n'
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cc_file = open('cconfig.h', 'w')
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if cc_file:
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cc_file.write(cc_header)
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cc_file.close()
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