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1 import unittest
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2 from ppci.outstream import BinaryOutputStream
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3 from ppci.objectfile import ObjectFile
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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 thumb_target
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7
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8 a = Assembler(thumb_target)
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9
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10 class ThumbAssemblerTestCase(AsmTestCaseBase):
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11 def setUp(self):
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12 self.t = thumb_target
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13 self.obj = ObjectFile()
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14 self.ostream = BinaryOutputStream(self.obj)
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15 self.ostream.select_section('.text')
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16 self.a = a #
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17
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18 def testMovImm8(self):
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19 self.feed('mov r4, 100')
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20 self.check('6424')
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21
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22 @unittest.skip
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23 def testMovExt(self):
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24 self.feed('mov r3, sp')
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25 self.check('')
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26
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27 def testYield(self):
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28 self.feed('yield')
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29 self.check('10bf')
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30
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31 def testPush(self):
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32 self.feed('push {r2,r3,lr}')
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33 self.check('0cb5')
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34
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35 def testPop(self):
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36 self.feed('pop {r4-r6, pc}')
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37 self.check('70bd')
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38
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39 def testStr5(self):
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40 self.feed('str r4, [r1 + 0]')
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41 self.check('0c60')
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42
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43 def testLdr5(self):
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44 self.feed('ldr r4, [r0 + 0]')
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45 self.check('0468')
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46
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47 def testLdrSpRel(self):
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48 self.feed('ldr r0, [sp + 4]')
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49 self.check('0198')
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50
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51 def testStrSpRel(self):
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52 self.feed('str r0, [sp + 4]')
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53 self.check('0190')
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54
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55 def testLdrPcRel(self):
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56 self.feed('ldr r7, henkie')
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57 self.feed('ldr r6, henkie')
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58 self.feed('ldr r1, henkie')
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59 self.feed('align 4')
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60 self.feed('dcd 1')
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61 self.feed('henkie: dcd 2')
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62 self.check('024F024E 01490000 01000000 02000000')
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63
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64 def testBranch(self):
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65 self.feed('start: b henkie')
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66 self.feed('beq henkie')
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67 self.feed('bne henkie')
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68 self.feed('henkie: b start')
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69 self.feed('eof: b eof')
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70 self.check('01e000d0 ffd1fbe7 fee7')
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71
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72 def testConditions(self):
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73 self.feed('blt x')
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74 self.feed('bgt x')
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75 self.feed('x:')
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76 self.check('00dbffdc')
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77
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78 def testBoff(self):
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79 self.feed('b henkie')
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80 self.feed('b henkie')
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81 self.feed('b henkie')
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82 self.feed('b henkie')
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83 self.feed('b henkie')
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84 self.feed('b henkie')
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85 self.feed('b henkie')
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86 self.feed('henkie:')
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87 self.feed('b henkie')
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88 self.feed('b henkie')
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89 self.feed('b henkie')
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90 self.feed('b henkie')
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91 self.check('05e004e0 03e002e0 01e000e0 ffe7fee7 fde7fce7 fbe7')
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92
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93 def testBl(self):
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94 self.feed('bl henkie')
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95 self.feed('bl henkie')
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96 self.feed('henkie:')
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97 self.feed('bl henkie')
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98 self.feed('bl henkie')
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99 self.check('00f0 02f8 00f0 00f8 fff7 feff fff7 fcff')
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100
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101 def testCmpRegReg(self):
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102 self.feed('cmp r0, r1')
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103 self.check('8842')
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104
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105 def testAddimm3(self):
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106 self.feed('add r3, r5, 2')
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107 self.feed('add r4, r1, 6')
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108 self.check('ab1c8c1d')
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109
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110 def testSubImm3(self):
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111 self.feed('sub r3, r5, 2')
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112 self.feed('sub r4, r1, 6')
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113 self.check('ab1e8c1f')
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114
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115 def testLeftShift(self):
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116 self.feed('lsl r3, r5')
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117 self.check('ab40')
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118
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119 def testAddSp(self):
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120 self.feed('add sp,sp,8')
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121 self.feed('add sp,sp,16')
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122 self.check('02b004b0')
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123
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124 def testSubSp(self):
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125 self.feed('sub sp,sp,32')
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126 self.feed('sub sp,sp,4')
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127 self.check('88b081b0')
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128
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129 def testSequence1(self):
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130 self.feed('mov r5, 3')
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131 self.feed('add r4, r5, 0')
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132 self.feed('loop: add r6, r4, 7')
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133 self.feed('cmp r6, 5')
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134 self.check('0325 2c1c e61d 052e')
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135
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136 def testSequence2(self):
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137 self.feed('henkie:')
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138 self.feed('push {r1,r4,r5}')
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139 self.feed('add r5, r2, r4')
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140 self.feed('cmp r4, r2')
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141 self.feed('ldr r0, [sp + 4]')
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142 self.feed('str r3, [sp + 16]')
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143 self.feed('pop {r1, r4, r5}')
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144 self.feed('lsl r3, r4')
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145 self.feed('cmp r3, r5')
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146 self.feed('beq henkie')
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147 self.feed('bne henkie')
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148 self.feed('b henkie')
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149 self.check('32b41519 94420198 049332bc a340ab42 f6d0f5d1 f4e7')
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150
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151
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