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annotate test/testbintools.py @ 336:d1ecc493384e

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Added spiffy armtoken class for bit fiddeling. Added cool test that checks for build repeatability
author Windel Bouwman
date Wed, 19 Feb 2014 22:32:15 +0100
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children 86b02c98a717
rev   line source
336
d1ecc493384e Added spiffy armtoken class for bit fiddeling. Added cool test that checks for build repeatability
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1 import unittest
d1ecc493384e Added spiffy armtoken class for bit fiddeling. Added cool test that checks for build repeatability
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2 import sys
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3 from target.arminstructions import ArmToken
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4 from ppci.linker import Linker
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5 from ppci.objectfile import ObjectFile
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6 from ppci import CompilerError
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7
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8
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9 class TokenTestCase(unittest.TestCase):
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10 def testSetBits(self):
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11 at = ArmToken()
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12 at[2:4] = 0b11
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13 self.assertEqual(0xc, at.bit_value)
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14
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15 def testSetBits(self):
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16 at = ArmToken()
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17 at[4:8] = 0b1100
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18 self.assertEqual(0xc0, at.bit_value)
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19
d1ecc493384e Added spiffy armtoken class for bit fiddeling. Added cool test that checks for build repeatability
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20
d1ecc493384e Added spiffy armtoken class for bit fiddeling. Added cool test that checks for build repeatability
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21 class LinkerTestCase(unittest.TestCase):
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22 def testUndefinedReference(self):
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23 l = Linker()
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24 o1 = ObjectFile()
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25 o1.get_section('.text')
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26 o1.add_relocation('undefined_sym', 0, 'rel8', '.text')
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27 o2 = ObjectFile()
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28 with self.assertRaises(CompilerError):
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29 o3 = l.link([o1, o2])
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30
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31 def testDuplicateSymbol(self):
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32 l = Linker()
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33 o1 = ObjectFile()
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34 o1.get_section('.text')
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35 o1.add_symbol('a', 0, '.text')
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36 o2 = ObjectFile()
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37 o2.get_section('.text')
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38 o2.add_symbol('a', 0, '.text')
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39 with self.assertRaises(CompilerError):
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40 o3 = l.link([o1, o2])
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41
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42 def testRel8Relocation(self):
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43 l = Linker()
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44 o1 = ObjectFile()
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45 o1.get_section('.text').add_data(bytes([0]*100))
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46 o1.add_relocation('a', 0, 'rel8', '.text')
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47 o2 = ObjectFile()
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48 o2.get_section('.text').add_data(bytes([0]*100))
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49 o2.add_symbol('a', 24, '.text')
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50 o3 = l.link([o1, o2])
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51
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52 def testSymbolValues(self):
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53 l = Linker()
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54 o1 = ObjectFile()
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55 o1.get_section('.text').add_data(bytes([0]*108))
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56 o1.add_symbol('b', 24, '.text')
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57 o2 = ObjectFile()
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58 o2.get_section('.text').add_data(bytes([0]*100))
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59 o2.add_symbol('a', 2, '.text')
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60 o3 = l.link([o1, o2])
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61 self.assertEqual(110, o3.find_symbol('a').value)
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62 self.assertEqual(24, o3.find_symbol('b').value)
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63 self.assertEqual(208, o3.get_section('.text').Size)
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64
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65 def testMemoryLayout(self):
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66 l = Linker()
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67 memory_layout = {'.text': 0x08000000, '.data':0x20000000}
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68 o1 = ObjectFile()
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69 o1.get_section('.text').add_data(bytes([0]*108))
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70 o1.add_symbol('b', 24, '.text')
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71 o2 = ObjectFile()
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72 o2.get_section('.text').add_data(bytes([0]*100))
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73 o2.get_section('.data').add_data(bytes([0]*100))
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74 o2.add_symbol('a', 2, '.data')
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75 o2.add_symbol('c', 2, '.text')
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76 o3 = l.link([o1, o2], layout=memory_layout)
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77 self.assertEqual(0x20000000+2, o3.find_symbol('a').value)
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78 self.assertEqual(0x08000000+24, o3.find_symbol('b').value)
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79 self.assertEqual(0x08000000+110, o3.find_symbol('c').value)
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80 self.assertEqual(208, o3.get_section('.text').Size)
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81 self.assertEqual(100, o3.get_section('.data').Size)
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82
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83
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84 if __name__ == '__main__':
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85 unittest.main()
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86 sys.exit()