def test_code_exceeds_memory(self):
""" Check the error that is given when code exceeds memory size """
arch = ExampleArch()
layout2 = layout.Layout()
m = layout.Memory('flash')
m.location = 0x0
m.size = 0x10
m.add_input(layout.Section('code'))
layout2.add_memory(m)
object1 = ObjectFile(arch)
object1.get_section('code', create=True).add_data(bytes([0] * 22))
with self.assertRaisesRegex(CompilerError, 'exceeds'):
link([object1], layout2)
def test_layout(self):
spec = """
MEMORY flash LOCATION=0x1000 SIZE=0x3000 {
SECTION(code)
ALIGN(4)
DEFINESYMBOL(x)
}
"""
layout1 = layout.Layout.load(io.StringIO(spec))
layout2 = layout.Layout()
m = layout.Memory('flash')
m.location = 0x1000
m.size = 0x3000
m.add_input(layout.Section('code'))
m.add_input(layout.Align(4))
m.add_input(layout.SymbolDefinition('x'))
layout2.add_memory(m)
self.assertEqual(layout2, layout1)
self.assertEqual(str(layout1), str(layout2))
def test_symbol_values(self):
""" Check if values are correctly resolved """
arch = get_arch('arm')
object1 = ObjectFile(arch)
object1.get_section('.text', create=True).add_data(bytes([0] * 108))
object1.add_symbol(0, 'b', 'global', 24, '.text', 'object', 0)
object2 = ObjectFile(arch)
object2.get_section('.text', create=True).add_data(bytes([0] * 100))
object2.add_symbol(0, 'a', 'global', 2, '.text', 'object', 0)
layout1 = layout.Layout()
flash_mem = layout.Memory('flash')
flash_mem.location = 0x0
flash_mem.size = 0x1000
flash_mem.add_input(layout.SymbolDefinition('code_start'))
flash_mem.add_input(layout.Section('.text'))
flash_mem.add_input(layout.SymbolDefinition('code_end'))
layout1.add_memory(flash_mem)
object3 = link([object1, object2], layout1)
self.assertEqual(110, object3.get_symbol_value('a'))
self.assertEqual(24, object3.get_symbol_value('b'))
self.assertEqual(208, object3.get_section('.text').size)
self.assertEqual(0, object3.get_symbol_value('code_start'))
self.assertEqual(208, object3.get_symbol_value('code_end'))