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comparison test/testbintools.py @ 383:173e20a47fda

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Added linker description loader
author Windel Bouwman
date Sun, 27 Apr 2014 17:40:39 +0200
parents 6df89163e114
children d056b552d3f4
comparison
equal deleted inserted replaced
382:0c44e494ef58 383:173e20a47fda
6 from ppci.objectfile import ObjectFile, serialize, deserialize, load_object 6 from ppci.objectfile import ObjectFile, serialize, deserialize, load_object
7 from ppci import CompilerError 7 from ppci import CompilerError
8 from ppci.tasks import TaskRunner, TaskError 8 from ppci.tasks import TaskRunner, TaskError
9 from ppci.buildtasks import EmptyTask 9 from ppci.buildtasks import EmptyTask
10 from ppci.buildfunctions import link 10 from ppci.buildfunctions import link
11 from ppci import layout
11 12
12 13
13 class TaskTestCase(unittest.TestCase): 14 class TaskTestCase(unittest.TestCase):
14 @unittest.skip('api change') 15 @unittest.skip('api change')
15 def testCircular(self): 16 def testCircular(self):
57 o1 = ObjectFile() 58 o1 = ObjectFile()
58 o1.get_section('.text') 59 o1.get_section('.text')
59 o1.add_relocation('undefined_sym', 0, 'rel8', '.text') 60 o1.add_relocation('undefined_sym', 0, 'rel8', '.text')
60 o2 = ObjectFile() 61 o2 = ObjectFile()
61 with self.assertRaises(CompilerError): 62 with self.assertRaises(CompilerError):
62 o3 = link([o1, o2], {}) 63 o3 = link([o1, o2], layout.Layout())
63 64
64 def testDuplicateSymbol(self): 65 def testDuplicateSymbol(self):
65 o1 = ObjectFile() 66 o1 = ObjectFile()
66 o1.get_section('.text') 67 o1.get_section('.text')
67 o1.add_symbol('a', 0, '.text') 68 o1.add_symbol('a', 0, '.text')
68 o2 = ObjectFile() 69 o2 = ObjectFile()
69 o2.get_section('.text') 70 o2.get_section('.text')
70 o2.add_symbol('a', 0, '.text') 71 o2.add_symbol('a', 0, '.text')
71 with self.assertRaises(CompilerError): 72 with self.assertRaises(CompilerError):
72 o3 = link([o1, o2], {}) 73 o3 = link([o1, o2], layout.Layout())
73 74
74 def testRel8Relocation(self): 75 def testRel8Relocation(self):
75 o1 = ObjectFile() 76 o1 = ObjectFile()
76 o1.get_section('.text').add_data(bytes([0]*100)) 77 o1.get_section('.text').add_data(bytes([0]*100))
77 o1.add_relocation('a', 0, 'rel8', '.text') 78 o1.add_relocation('a', 0, 'rel8', '.text')
78 o2 = ObjectFile() 79 o2 = ObjectFile()
79 o2.get_section('.text').add_data(bytes([0]*100)) 80 o2.get_section('.text').add_data(bytes([0]*100))
80 o2.add_symbol('a', 24, '.text') 81 o2.add_symbol('a', 24, '.text')
81 o3 = link([o1, o2], {}) 82 o3 = link([o1, o2], layout.Layout())
82 83
83 def testSymbolValues(self): 84 def testSymbolValues(self):
84 o1 = ObjectFile() 85 o1 = ObjectFile()
85 o1.get_section('.text').add_data(bytes([0]*108)) 86 o1.get_section('.text').add_data(bytes([0]*108))
86 o1.add_symbol('b', 24, '.text') 87 o1.add_symbol('b', 24, '.text')
87 o2 = ObjectFile() 88 o2 = ObjectFile()
88 o2.get_section('.text').add_data(bytes([0]*100)) 89 o2.get_section('.text').add_data(bytes([0]*100))
89 o2.add_symbol('a', 2, '.text') 90 o2.add_symbol('a', 2, '.text')
90 o3 = link([o1, o2], {}) 91 o3 = link([o1, o2], layout.Layout())
91 self.assertEqual(110, o3.find_symbol('a').value) 92 self.assertEqual(110, o3.find_symbol('a').value)
92 self.assertEqual(24, o3.find_symbol('b').value) 93 self.assertEqual(24, o3.find_symbol('b').value)
93 self.assertEqual(208, o3.get_section('.text').Size) 94 self.assertEqual(208, o3.get_section('.text').Size)
94 95
95 def testMemoryLayout(self): 96 def testMemoryLayout(self):
96 memory_layout = {'.text': 0x08000000, '.data':0x20000000} 97 spec = """
98 MEMORY flash LOCATION=0x08000000 SIZE=0x3000 {
99 SECTION(code)
100 }
101 MEMORY flash LOCATION=0x20000000 SIZE=0x3000 {
102 SECTION(data)
103 }
104 """
105 memory_layout = layout.load_layout(io.StringIO(spec))
97 o1 = ObjectFile() 106 o1 = ObjectFile()
98 o1.get_section('.text').add_data(bytes([0]*108)) 107 o1.get_section('code').add_data(bytes([0]*108))
99 o1.add_symbol('b', 24, '.text') 108 o1.add_symbol('b', 24, 'code')
100 o2 = ObjectFile() 109 o2 = ObjectFile()
101 o2.get_section('.text').add_data(bytes([0]*100)) 110 o2.get_section('code').add_data(bytes([0]*100))
102 o2.get_section('.data').add_data(bytes([0]*100)) 111 o2.get_section('data').add_data(bytes([0]*100))
103 o2.add_symbol('a', 2, '.data') 112 o2.add_symbol('a', 2, 'data')
104 o2.add_symbol('c', 2, '.text') 113 o2.add_symbol('c', 2, 'code')
105 o3 = link([o1, o2], memory_layout) 114 o3 = link([o1, o2], memory_layout)
106 self.assertEqual(0x20000000+2, o3.find_symbol('a').value) 115 self.assertEqual(0x20000000+2, o3.find_symbol('a').value)
107 self.assertEqual(0x08000000+24, o3.find_symbol('b').value) 116 self.assertEqual(0x08000000+24, o3.find_symbol('b').value)
108 self.assertEqual(0x08000000+110, o3.find_symbol('c').value) 117 self.assertEqual(0x08000000+110, o3.find_symbol('c').value)
109 self.assertEqual(208, o3.get_section('.text').Size) 118 self.assertEqual(208, o3.get_section('code').Size)
110 self.assertEqual(100, o3.get_section('.data').Size) 119 self.assertEqual(100, o3.get_section('data').Size)
111 120
112 121
113 class ObjectFileTestCase(unittest.TestCase): 122 class ObjectFileTestCase(unittest.TestCase):
114 def makeTwins(self): 123 def makeTwins(self):
115 o1 = ObjectFile() 124 o1 = ObjectFile()
140 o1, o2 = self.makeTwins() 149 o1, o2 = self.makeTwins()
141 o3 = deserialize(serialize(o1)) 150 o3 = deserialize(serialize(o1))
142 self.assertEqual(o3, o1) 151 self.assertEqual(o3, o1)
143 152
144 153
154 class LayoutFileTestCase(unittest.TestCase):
155 def testLayout1(self):
156 spec = """
157 MEMORY flash LOCATION=0x1000 SIZE=0x3000 {
158 SECTION(code)
159 ALIGN(4)
160 }
161 """
162 layout1 = layout.load_layout(io.StringIO(spec))
163 layout2 = layout.Layout()
164 m = layout.Memory('flash')
165 m.location = 0x1000
166 m.size = 0x3000
167 m.add_input(layout.Section('code'))
168 m.add_input(layout.Align(4))
169 layout2.add_memory(m)
170 self.assertEqual(layout2, layout1)
171
172
145 if __name__ == '__main__': 173 if __name__ == '__main__':
146 unittest.main() 174 unittest.main()
147 sys.exit() 175 sys.exit()