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1 import unittest
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342
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2 from ppci.outstream import BinaryOutputStream
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335
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3 from ppci.objectfile import ObjectFile
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292
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4 from asm import Assembler
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5 from testasm import AsmTestCaseBase
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6 from ppci.target.target_list import arm_target
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7
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8
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9 a = Assembler(arm_target)
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10
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11 class ArmAssemblerTestCase(AsmTestCaseBase):
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12 """ ARM-mode (not thumb-mode) instruction assembly test case """
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13 def setUp(self):
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14 self.t = arm_target
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15 self.obj = ObjectFile()
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16 self.ostream = BinaryOutputStream(self.obj)
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17 self.ostream.select_section('.text')
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18 self.a = a #Assembler(target=self.t)
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19
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20 def testMovImm(self):
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21 self.feed('mov r4, 100')
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22 self.check('6440a0e3')
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23
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24 def testMovImm2(self):
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25 self.feed('mov sp, 0x6000')
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26 self.check('06daa0e3')
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27
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28 def testAdd2(self):
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29 self.feed('add r12, r11, 300')
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30 self.check('4bcf8be2')
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31
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32 def testAdd1(self):
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33 self.feed('add r9, r7, r2')
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34 self.check('029087e0')
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35
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36 def testSub1(self):
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37 self.feed('sub r5, r6, r2')
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38 self.check('025046e0')
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39
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40 def testSub2(self):
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41 self.feed('sub r0, r1, 0x80000001')
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42 self.check('060141e2')
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43
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44 def testOrr1(self):
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45 self.feed('orr r8, r7, r6')
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46 self.check('068087e1')
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47
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48 def testBranches(self):
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49 self.feed('b sjakie')
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50 self.feed('ble sjakie')
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51 self.feed('bgt sjakie')
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52 self.feed('beq sjakie')
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53 self.feed('bl sjakie')
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54 self.feed('sjakie:')
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55 self.feed('b sjakie')
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56 self.feed('ble sjakie')
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57 self.feed('bgt sjakie')
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58 self.feed('beq sjakie')
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59 self.feed('bl sjakie')
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60 self.check('030000ea 020000da 010000ca 0000000a ffffffeb feffffea fdffffda fcffffca fbffff0a faffffeb')
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61
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62 def testPush(self):
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63 self.feed('push {r11,r5,r4,lr}')
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64 self.check('30482de9')
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65
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66 def testPop(self):
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67 self.feed('pop {r4,r5,r6}')
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68 self.check('7000bde8')
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69
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70 def testStr(self):
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71 self.feed('str r9, [r2, 33]')
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72 self.check('219082e5')
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73
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74 def testLdr(self):
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75 self.feed('ldr r5, [r3, 87]')
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76 self.check('575093e5')
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77
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78 def testLdrLabel(self):
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79 self.feed('ldr r5, lab1')
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80 self.feed('ldr r11, lab1')
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81 self.feed('ldr r10, lab1')
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82 self.feed('lab1:')
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83 self.feed('dcd 0x12345566')
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84 self.check('04509fe5 00b09fe5 04a01fe5 66553412')
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85
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86 def testCmp(self):
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87 self.feed('cmp r4, r11')
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88 self.feed('cmp r5, 0x50000')
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89 self.check('0b0054e1 050855e3')
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90
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91 def testSequence1(self):
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92 self.feed('sub r4,r5,23')
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93 self.feed('blt x')
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94 self.feed('x:')
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95 self.feed('mul r4,r5,r2')
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96 self.check('174045e2 ffffffba 950204e0')
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97
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98
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99 if __name__ == '__main__':
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100 unittest.main()
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