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104
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1 #!/usr/bin/python
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2
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213
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3 import sys, argparse
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205
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4 import c3, ppci, codegen
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5 import codegenarm
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253
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6 from optimize import optimize
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205
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7 import outstream
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246
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8 import hexfile
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253
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9 import logging
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10
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11 def logLevel(s):
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12 numeric_level = getattr(logging, s.upper(), None)
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13 if not isinstance(numeric_level, int):
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14 raise ValueError('Invalid log level: {}'.format(s))
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15 return numeric_level
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105
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16
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205
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17 # Parse arguments:
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204
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18 parser = argparse.ArgumentParser(description='lcfos Compiler')
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213
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19 parser.add_argument('source', type=argparse.FileType('r'), \
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20 help='the source file to build')
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253
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21 parser.add_argument('--dumpir', action='store_true', help="Dump IR-code")
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255
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22 parser.add_argument('--dumpasm', action='store_true', help="Dump ASM-code")
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23 parser.add_argument('--optimize', action='store_true', help="Optimize")
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205
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24 parser.add_argument('-o', '--output', help='Output file', metavar='filename')
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246
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25 parser.add_argument('--hexfile', help='Output hexfile', type=argparse.FileType('w'))
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253
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26 parser.add_argument('--log', help='Log level (INFO,DEBUG)', type=logLevel)
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104
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27
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255
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28 def zcc(src, outs, diag, dumpir=False, do_optimize=False):
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29 logging.info('Zcc started')
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207
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30 # Front end:
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31 c3b = c3.Builder(diag)
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32 ircode = c3b.build(src)
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33 if not ircode:
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249
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34 return
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104
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35
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219
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36 # Optimization passes:
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255
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37 if do_optimize:
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38 optimize(ircode)
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219
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39
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249
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40 if dumpir:
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207
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41 ircode.dump()
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249
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42
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207
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43 # Code generation:
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44 cg = codegenarm.ArmCodeGenerator(outs)
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45 obj = cg.generate(ircode)
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249
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46 return True
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47
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48 def main(args):
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255
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49 logging.basicConfig(format='%(asctime)s %(levelname)s %(name)s %(message)s', level=args.log)
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249
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50 src = args.source.read()
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51 args.source.close()
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52 diag = ppci.DiagnosticsManager()
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53 outs = outstream.TextOutputStream()
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54
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55 # Invoke compiler:
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255
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56 res = zcc(src, outs, diag, dumpir=args.dumpir, do_optimize=args.optimize)
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249
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57 if not res:
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58 diag.printErrors(src)
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59 sys.exit(1)
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205
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60
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255
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61 if args.dumpasm:
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62 outs.dump()
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105
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63
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237
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64 code_bytes = outs.sections['code'].to_bytes()
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238
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65 #print('bytes:', code_bytes)
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207
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66 if args.output:
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67 output_filename = args.output
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68 else:
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237
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69 output_filename = 'b.output'
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249
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70
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237
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71 with open(output_filename, 'wb') as f:
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72 f.write(code_bytes)
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104
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73
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246
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74 if args.hexfile:
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255
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75 logging.info('Creating hexfile')
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246
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76 hf = hexfile.HexFile()
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77 hf.addRegion(0x08000000, code_bytes)
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78 hf.save(args.hexfile)
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79
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207
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80 if __name__ == '__main__':
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213
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81 arguments = parser.parse_args()
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82 main(arguments)
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205
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83
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