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import argparse
import os
import _common as common
import _import_wrapper as iw
class ROData(iw.CustomCommand):
def __init__(self, path, unit):
self._path = path
self._flags = []
prefix = unit.get('ASM_PREFIX')
if prefix:
self._flags += ['--prefix=' + prefix]
self._pre_include = []
flags = unit.get('YASM_FLAGS')
if flags:
self.parse_flags(path, unit, collections.deque(flags.split(' ')))
if unit.enabled('DARWIN') or unit.enabled('IOS'):
self._platform = ['DARWIN', 'UNIX']
self._fmt = 'macho'
elif unit.enabled('WIN64') or unit.enabled('CYGWIN'):
self._platform = ['WIN64']
self._fmt = 'win'
elif unit.enabled('WIN32'):
self._platform = ['WIN32']
self._fmt = 'win'
else:
self._platform = ['UNIX']
self._fmt = 'elf'
if 'elf' in self._fmt:
self._flags += ['-g', 'dwarf2']
self._fmt += unit.get('HARDWARE_ARCH')
self._type = unit.get('HARDWARE_TYPE')
if unit.enabled('DARWIN') or unit.enabled('IOS') or (unit.enabled('WINDOWS') and unit.enabled('ARCH_TYPE_32')):
self._prefix = '_'
else:
self._prefix = ''
def parse_flags(self, path, unit, flags):
while flags:
flag = flags.popleft()
if flag.startswith('-I'):
raise Exception('Use ADDINCL macro')
if flag.startswith('-P'):
preinclude = flag[2:] or flags.popleft()
self._pre_include += unit.resolve_include([(get_retargeted(path, unit)), preinclude])
self._flags += ['-P', preinclude]
continue
self._flags.append(flag)
def descr(self):
return 'AS', self._path, 'light-green'
def flags(self):
return self._flags + self._platform + [self._fmt, self._type]
def tools(self):
return ['contrib/tools/yasm']
def input(self):
return common.make_tuples(self._pre_include + [self._path])
def output(self):
return common.make_tuples([common.tobuilddir(common.stripext(self._path)) + '.o'])
def requested_vars(self):
return [('includes', '_ASM__INCLUDE')]
def run(self, extra_args, binary):
in_file = self.resolve_path(common.get(self.input, 0))
in_file_no_ext = common.stripext(in_file)
file_name = os.path.basename(in_file_no_ext)
file_size = os.path.getsize(in_file)
tmp_file = self.resolve_path(common.get(self.output, 0) + '.asm')
parser = argparse.ArgumentParser(prog='rodata.py', add_help=False)
parser.add_argument('--includes', help='module\'s addincls', nargs='*', required=False)
args = parser.parse_args(extra_args)
self._incl_dirs = args.includes
with open(tmp_file, 'w') as f:
f.write('global ' + self._prefix + file_name + '\n')
f.write('global ' + self._prefix + file_name + 'Size' + '\n')
f.write('SECTION .rodata ALIGN=16\n')
f.write(self._prefix + file_name + ':\nincbin "' + in_file + '"\n')
f.write('align 4, db 0\n')
f.write(self._prefix + file_name + 'Size:\ndd ' + str(file_size) + '\n')
if self._fmt.startswith('elf'):
f.write('size ' + self._prefix + file_name + ' ' + str(file_size) + '\n')
f.write('size ' + self._prefix + file_name + 'Size 4\n')
return self.do_run(binary, tmp_file)
def do_run(self, binary, path):
def plt():
for x in self._platform:
yield '-D'
yield x
def incls():
for x in self._incl_dirs:
yield '-I'
yield x
cmd = [binary, '-f', self._fmt] + list(plt()) + ['-D', '_' + self._type + '_', '-D_YASM_'] + self._flags + list(incls()) + ['-o', common.get(self.output, 0), path]
self.call(cmd)
class RODataCXX(iw.CustomCommand):
def __init__(self, path, unit):
self._path = path
self._base = os.path.basename(common.stripext(self._path))
def descr(self):
return 'RD', self._path, 'light-green'
def input(self):
return common.make_tuples([self._path])
def main_out(self):
return common.tobuilddir(common.stripext(self._path)) + '.cpp'
def output(self):
return common.make_tuples([self.main_out()])
def run(self, extra_args, binary):
with open(self.resolve_path(self.main_out()), 'w') as f:
f.write('static_assert(sizeof(unsigned int) == 4, "ups, something gone wrong");\n\n')
f.write('extern "C" {\n')
f.write(' extern const unsigned char ' + self._base + '[] = {\n')
cnt = 0
with open(self.resolve_path(self._path), 'r') as input:
for ch in input.read():
f.write('0x%02x, ' % ord(ch))
cnt += 1
if cnt % 50 == 1:
f.write('\n')
f.write(' };\n')
f.write(' extern const unsigned int ' + self._base + 'Size = sizeof(' + self._base + ');\n')
f.write('}\n')
def ro_data(path, unit):
if unit.enabled('ARCH_AARCH64') or unit.enabled('ARCH_ARM') or unit.enabled('ARCH_PPC64LE'):
return RODataCXX(path, unit)
return ROData(path, unit)
def init():
iw.addrule('rodata', ro_data)
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