rtems-libbsd/waf_generator.py
2015-05-20 17:45:16 +10:00

399 lines
16 KiB
Python
Executable File

#
# Copyright (c) 2015 Chris Johns <chrisj@rtems.org>. All rights reserved.
#
# Copyright (c) 2009-2015 embedded brains GmbH. All rights reserved.
#
# embedded brains GmbH
# Dornierstr. 4
# 82178 Puchheim
# Germany
# <info@embedded-brains.de>
#
# Copyright (c) 2012 OAR Corporation. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
import os
import tempfile
import builder
trace = False
data = { }
def _add_files(name, files):
if type(files) is not list:
files = [files]
if name not in data:
data[name] = []
data[name] += files
class SourceFileFragmentComposer(builder.BuildSystemFragmentComposer):
def __init__(self, cflags = "default"):
self.cflags = cflags
def compose(self, path):
return ['sources', self.cflags], [path]
class TestFragementComposer(builder.BuildSystemFragmentComposer):
def __init__(self, testName, fileFragments, runTest = True, netTest = False):
self.testName = testName
self.fileFragments = fileFragments
self.runTest = runTest
self.netTest = netTest
def compose(self, path):
return ['tests', self.testName], { 'files': self.fileFragments,
'run': self.runTest,
'net': self.netTest }
class KVMSymbolsFragmentComposer(builder.BuildSystemFragmentComposer):
def compose(self, path):
return ['KVMSymbols', 'files'], [path]
class RPCGENFragmentComposer(builder.BuildSystemFragmentComposer):
def compose(self, path):
return ['RPCGen', 'files'], [path]
class RouteKeywordsFragmentComposer(builder.BuildSystemFragmentComposer):
def compose(self, path):
return ['RouteKeywords', 'files'], [path]
class LexFragmentComposer(builder.BuildSystemFragmentComposer):
def __init__(self, sym, dep):
self.sym = sym
self.dep = dep
def compose(self, path):
return ['lex', path], { 'file': path,
'sym': self.sym,
'dep': self.dep }
class YaccFragmentComposer(builder.BuildSystemFragmentComposer):
def __init__(self, sym, header):
self.sym = sym
self.header = header
def compose(self, path):
return ['yacc', path], { 'file': path,
'sym': self.sym,
'header': self.header }
# Module Manager - Collection of Modules
class ModuleManager(builder.ModuleManager):
def restart(self):
self.script = ''
def add(self, line = ''):
self.script += line + os.linesep
def write(self):
try:
out = tempfile.NamedTemporaryFile(delete = False)
out.write(self.script)
out.close()
wscript = builder.RTEMS_DIR + '/wscript'
builder.processIfDifferent(out.name, wscript, "wscript")
finally:
try:
os.remove(out.name)
except:
pass
def setGenerators(self):
self.generator['convert'] = builder.Converter
self.generator['no-convert'] = builder.NoConverter
self.generator['file'] = builder.File
self.generator['path'] = builder.PathComposer
self.generator['freebsd-path'] = builder.FreeBSDPathComposer
self.generator['rtems-path'] = builder.RTEMSPathComposer
self.generator['cpu-path'] = builder.CPUDependentPathComposer
self.generator['target-src-cpu--path'] = builder.TargetSourceCPUDependentPathComposer
self.generator['source'] = SourceFileFragmentComposer
self.generator['test'] = TestFragementComposer
self.generator['kvm-symbols'] = KVMSymbolsFragmentComposer
self.generator['rpc-gen'] = RPCGENFragmentComposer
self.generator['route-keywords'] = RouteKeywordsFragmentComposer
self.generator['lex'] = LexFragmentComposer
self.generator['yacc'] = YaccFragmentComposer
def generate(self):
def _source_list(lhs, files, append = False):
if append:
adder = '+'
adder_space = ' '
else:
adder = ''
adder_space = ''
ll = len(lhs)
if len(files) == 1:
self.add('%s %s= [%r]' % (lhs, adder, files[0]))
elif len(files) == 2:
self.add('%s %s= [%r,' % (lhs, adder, files[0]))
self.add('%s %s %r]' % (' ' * ll, adder_space, files[-1]))
elif len(files) > 0:
self.add('%s %s= [%r,' % (lhs, adder, files[0]))
for f in files[1:-1]:
self.add('%s %s %r,' % (' ' * ll, adder_space, f))
self.add('%s %s %r]' % (' ' * ll, adder_space, files[-1]))
def _data_insert(data, cpu, frag):
#
# The default handler returns an empty string. Skip it.
#
if type(frag) is not str:
d = data
for p in frag[0]:
if p not in d:
d[p] = {}
d = d[p]
if type(frag[1]) is list:
if cpu not in d:
d[cpu] = []
d[cpu] += frag[1]
else:
d[cpu] = frag[1]
data = { }
for mn in self.getModules():
m = self[mn]
if m.conditionalOn == "none":
for f in m.files:
_data_insert(data, 'all', f.getFragment())
for cpu, files in sorted(m.cpuDependentSourceFiles.items()):
for f in files:
_data_insert(data, cpu, f.getFragment())
if trace:
import pprint
pprint.pprint(data)
self.restart()
self.add('#')
self.add('# Generated waf script.')
self.add('#')
self.add('')
self.add('try:')
self.add(' import rtems_waf.rtems as rtems')
self.add('except:')
self.add(' print "error: no rtems_waf git submodule; see README.waf"')
self.add(' import sys')
self.add(' sys.exit(1)')
self.add('')
self.add('def init(ctx):')
self.add(' rtems.init(ctx)')
self.add('')
self.add('def options(opt):')
self.add(' rtems.options(opt)')
self.add('')
self.add('def configure(conf):')
self.add(' conf.find_program("lex", mandatory = True)')
self.add(' conf.find_program("rpcgen", mandatory = True)')
self.add(' conf.find_program("yacc", mandatory = True)')
self.add(' rtems.configure(conf)')
self.add(' if rtems.check_networking(conf):')
self.add(' conf.fatal("RTEMS kernel contains the old network support; configure RTEMS with --disable-networking")')
self.add('')
self.add('def build(bld):')
self.add(' rtems.build(bld)')
self.add('')
self.add(' # C/C++ flags')
self.add(' common_flags = []')
for f in builder.common_flags():
self.add(' common_flags += ["%s"]' % (f))
for f in builder.common_no_warnings():
self.add(' common_flags += ["%s"]' % (f))
self.add(' cflags = %r + common_flags' % (builder.cflags()))
self.add(' cxxflags = %r + common_flags' % (builder.cxxflags()))
self.add('')
self.add(' # Include paths')
self.add(' includes = []')
for i in builder.includes():
self.add(' includes += ["%s"]' % (i[2:]))
self.add(' for i in %r:' % (builder.cpu_includes()))
self.add(' includes += ["%s" % (i[2:].replace("@CPU@", bld.get_env()["RTEMS_ARCH"]))]')
self.add('')
self.add(' # Support dummy PIC IRQ includes')
self.add(' if bld.get_env()["RTEMS_ARCH"] not in ("arm", "i386", "lm32", "mips", "powerpc", "sparc", "m68k"):')
self.add(' includes += ["rtems-dummy-pic-irq/include"]')
self.add('')
self.add(' # Collect the libbsd uses')
self.add(' libbsd_use = []')
self.add('')
#
# Add the specific rule based builders for generating files.
#
if 'KVMSymbols' in data:
kvmsymbols = data['KVMSymbols']
self.add(' # KVM Symbols')
self.add(' bld(target = "%s",' % (kvmsymbols['files']['all'][0]))
self.add(' source = "rtemsbsd/rtems/generate_kvm_symbols",')
self.add(' rule = "./${SRC} > ${TGT}")')
self.add(' bld.objects(target = "kvmsymbols",')
self.add(' features = "c",')
self.add(' cflags = cflags,')
self.add(' includes = includes,')
self.add(' source = "%s")' % (kvmsymbols['files']['all'][0]))
self.add(' libbsd_use += ["kvmsymbols"]')
self.add('')
if 'RPCGen' in data:
rpcgen = data['RPCGen']
rpcname = rpcgen['files']['all'][0][:-2]
self.add(' # RPC Generation')
self.add(' bld(target = "%s.h",' % (rpcname))
self.add(' source = "%s.x",' % (rpcname))
self.add(' rule = "${RPCGEN} -h -o ${TGT} ${SRC}")')
self.add('')
if 'RouteKeywords' in data:
routekw = data['RouteKeywords']
rkwname = routekw['files']['all'][0]
self.add(' # Route keywords')
self.add(' rkw_rule = "cat ${SRC} | ' + \
'awk \'BEGIN { r = 0 } { if (NF == 1) ' + \
'printf \\"#define\\\\tK_%%s\\\\t%%d\\\\n\\\\t{\\\\\\"%%s\\\\\\", K_%%s},\\\\n\\", ' + \
'toupper($1), ++r, $1, toupper($1)}\' > ${TGT}"')
self.add(' bld(target = "%s.h",' % (rkwname))
self.add(' source = "%s",' % (rkwname))
self.add(' rule = rkw_rule)')
self.add('')
if 'lex' in data:
lexes = data['lex']
self.add(' # Lex')
for l in lexes:
lex = lexes[l]['all']
self.add(' bld(target = "%s.c",' % (lex['file'][:-2]))
self.add(' source = "%s",' % (lex['file']))
self.add(' rule = "${LEX} -P %s -t ${SRC} | ' % (lex['sym']) + \
'sed -e \'/YY_BUF_SIZE/s/16384/1024/\' > ${TGT}")')
self.add(' bld.objects(target = "lex_%s",' % (lex['sym']))
self.add(' features = "c",')
self.add(' cflags = cflags,')
self.add(' includes = includes,')
self.add(' source = "%s.c")' % (lex['file'][:-2]))
self.add(' libbsd_use += ["lex_%s"]' % (lex['sym']))
self.add('')
if 'yacc' in data:
yaccs = data['yacc']
self.add(' # Yacc')
for y in yaccs:
yacc = yaccs[y]['all']
yacc_file = yacc['file']
yacc_sym = yacc['sym']
yacc_header = '%s/%s' % (os.path.dirname(yacc_file), yacc['header'])
self.add(' bld(target = "%s.c",' % (yacc_file[:-2]))
self.add(' source = "%s",' % (yacc_file))
self.add(' rule = "${YACC} -b %s -d -p %s ${SRC} && ' % (yacc_sym, yacc_sym) + \
'sed -e \'/YY_BUF_SIZE/s/16384/1024/\' < %s.tab.c > ${TGT} && ' % (yacc_sym) + \
'rm -f %s.tab.c && mv %s.tab.h %s")' % (yacc_sym, yacc_sym, yacc_header))
self.add(' bld.objects(target = "yacc_%s",' % (yacc_sym))
self.add(' features = "c",')
self.add(' cflags = cflags,')
self.add(' includes = includes,')
self.add(' source = "%s.c")' % (yacc_file[:-2]))
self.add(' libbsd_use += ["yacc_%s"]' % (yacc_sym))
self.add('')
#
# We have 'm' different sets of flags and there can be 'n' cpus
# specific files for those flags.
#
objs = 0
self.add(' # Objects built with different CFLAGS')
for cflags in sorted(data['sources']):
if cflags is not 'default':
objs += 1
_source_list(' objs%02d_source' % objs, sorted(data['sources'][cflags]['all']))
archs = sorted(data['sources'][cflags])
for arch in archs:
if arch is not 'all':
self.add(' if bld.get_env()["RTEMS_ARCH"] == "%s":' % arch)
_source_list(' objs%02d_source' % objs,
sorted(data['sources'][cflags][arch]),
append = True)
defines = [d[2:] for d in cflags.split(' ')]
self.add(' bld.objects(target = "objs%02d",' % (objs))
self.add(' features = "c",')
self.add(' cflags = cflags,')
self.add(' includes = includes,')
self.add(' defines = %r,' % (defines))
self.add(' source = objs%02d_source)' % objs)
self.add(' libbsd_use += ["objs%02d"]' % (objs))
self.add('')
#
# We hold the 'default' cflags set of files to the end to create the
# static library with.
#
_source_list(' source', sorted(data['sources']['default']['all']))
archs = sorted(data['sources']['default'])
for arch in archs:
if arch is not 'all':
self.add(' if bld.get_env()["RTEMS_ARCH"] == "%s":' % arch)
_source_list(' source',
sorted(data['sources']['default'][arch]),
append = True)
self.add(' bld.stlib(target = "bsd",')
self.add(' features = "c cxx",')
self.add(' cflags = cflags,')
self.add(' cxxflags = cxxflags,')
self.add(' includes = includes,')
self.add(' source = source,')
self.add(' use = libbsd_use)')
self.add('')
self.add(' # Tests')
tests = data['tests']
for test_name in tests:
files = ['testsuite/%s/%s.c' % (test_name, f) for f in data['tests'][test_name]['all']['files']]
_source_list(' test_%s' % (test_name), sorted(files))
self.add(' bld.program(target = "%s",' % (test_name))
self.add(' features = "cprogram",')
self.add(' cflags = cflags,')
self.add(' includes = includes,')
self.add(' source = test_%s,' % (test_name))
self.add(' use = ["bsd"],')
self.add(' lib = ["m", "z"])')
self.add('')
self.write()