rubyx/test/arm/test_memory.rb

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2016-12-14 12:43:13 +01:00
require_relative 'helper'
class TestMemory < MiniTest::Test
include ArmHelper
def test_ldr
code = @machine.ldr :r0, :r0
assert_code code, :ldr , [0x00,0x00,0x90,0xe5] #e5 90 00 00
end
def test_ldr_const_offset
code = @machine.ldr :r0, :r0 , 4
assert_code code, :ldr , [0x04,0x00,0x90,0xe5] #e5 90 00 04
end
def test_ldr_reg_offset
code = @machine.ldr :r3, :r4 , :r5
assert_code code, :ldr , [0x05,0x30,0x94,0xe7] #e7 94 30 05
end
def test_ldr_reg_shift2
code = @machine.ldr :r3, :r4 , :r5 , :shift_lsl => 2
assert_code code, :ldr , [0x05,0x31,0x94,0xe7] #e7 94 31 05
end
def test_ldr_reg_shift3
code = @machine.ldr :r3, :r4 , :r5 , :shift_lsl => 3
assert_code code, :ldr , [0x85,0x31,0x94,0xe7] #e7 94 31 85
end
def test_ldrb
code = @machine.ldrb :r0, :r0
assert_code code, :ldrb , [0x00,0x00,0xd0,0xe5] #e5 d0 00 00
end
def test_ldrb_const
code = @machine.ldrb :r0, :r0 , 12
assert_code code, :ldrb , [0x0c,0x00,0xd0,0xe5] #e5 d0 00 0c
end
def test_ldrb_reg_offset
code = @machine.ldrb :r0, :r1 , :r2
assert_code code, :ldrb , [0x02,0x00,0xd1,0xe7] #e7 d1 00 02
end
def test_str
code = @machine.str :r0, :r1
assert_code code, :str , [0x00,0x00,0x81,0xe5] #e5 81 00 00
end
def test_str_const_offset
code = @machine.str :r1, :r2 , 4
assert_code code, :str , [0x04,0x10,0x82,0xe5] #e5 82 10 04
end
def test_str_reg_offset
code = @machine.str :r3, :r4 , :r5
assert_code code, :str , [0x05,0x30,0x84,0xe7] #e7 84 30 05
end
def test_str_reg_shift
code = @machine.str :r3, :r4 , :r5 , :shift_lsl => 2
assert_code code, :str , [0x05,0x31,0x84,0xe7] #e7 84 31 05
end
def test_strb_inc #THIS IS BROKEN, but so is gnu as, as it produces same output for ! or not
code = @machine.strb :r0, :r2 , 1 , pre_post_index: 1 # pre_post_index is autoinc (r2 here)
assert_code code, :strb , [0x01,0x00,0xc2,0xe5] #e5 e2 00 01
end
def test_strb
code = @machine.strb :r0, :r0
assert_code code, :strb , [0x00,0x00,0xc0,0xe5] #e5 c0 00 00
end
def test_strb_const
code = @machine.strb :r1, :r2 , 4
assert_code code, :strb , [0x04,0x10,0xc2,0xe5] #e5 c2 10 04
end
def test_strb_reg_offset
code = @machine.strb :r1, :r2 , :r3
assert_code code, :strb , [0x03,0x10,0xc2,0xe7] #e7 c2 10 03
end
end