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test no 3

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This commit is contained in:
Torsten Ruger 2014-04-17 15:35:55 +03:00
parent f4315804c1
commit 5d9c4323bb
3 changed files with 15 additions and 12 deletions
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8
lib/asm/arm/code_generator.rb
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@ -1,6 +1,6 @@
require 'asm/arm/arm_assembler' require 'asm/arm/arm_assembler'
require 'asm/arm/instruction' require 'asm/arm/instruction'
require 'asm/label_object' require_relative 'generator_label'
require 'asm/nodes' require 'asm/nodes'
require 'stream_reader' require 'stream_reader'
require 'stringio' require 'stringio'
@ -45,7 +45,7 @@ class Asm::Arm::CodeGenerator
node.args << Asm::LabelRefArgNode.new { |n| node.args << Asm::LabelRefArgNode.new { |n|
n.label = arg.to_s n.label = arg.to_s
} }
elsif (arg.is_a?(GeneratorLabel) or arg.is_a?(GeneratorExternLabel)) elsif (arg.is_a?(Asm::Arm::GeneratorLabel) or arg.is_a?(Asm::Arm::GeneratorExternLabel))
node.args << arg node.args << arg
else else
raise 'Invalid argument `%s\' for instruction' % arg.inspect raise 'Invalid argument `%s\' for instruction' % arg.inspect
@ -75,11 +75,11 @@ class Asm::Arm::CodeGenerator
} }
def label def label
GeneratorLabel.new(@asm) Asm::Arm::GeneratorLabel.new(@asm)
end end
def label! def label!
lbl = GeneratorLabel.new(@asm) lbl = Asm::Arm::GeneratorLabel.new(@asm)
lbl.set! lbl.set!
lbl lbl
end end

1
lib/asm/arm/instruction.rb
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@ -1,3 +1,4 @@
require "asm/assembly_error"
require "asm/arm/instruction_tools" require "asm/arm/instruction_tools"
require "asm/arm/builder_a" require "asm/arm/builder_a"
require "asm/arm/builder_b" require "asm/arm/builder_b"

18
test/test_crystal.rb
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@ -4,6 +4,7 @@ require "asm/arm/code_generator"
# try to test that the generation of basic instructions works # try to test that the generation of basic instructions works
# one instruction at a time, reverse testing from objdump --demangle -Sfghxp # one instruction at a time, reverse testing from objdump --demangle -Sfghxp
# tests are named as per assembler code, ie test_mov testing mov instruction # tests are named as per assembler code, ie test_mov testing mov instruction
# adc add and bic eor orr rsb rsc sbc sub mov mvn cmn cmp teq tst b bl bx swi strb
class TestArmAsm < MiniTest::Test class TestArmAsm < MiniTest::Test
# need a code generator, for arm # need a code generator, for arm
@ -14,7 +15,7 @@ class TestArmAsm < MiniTest::Test
# code is what the generator spits out, at least one instruction worth (.first) # code is what the generator spits out, at least one instruction worth (.first)
# the op code is wat was witten as assembler in the first place and the binary result # the op code is wat was witten as assembler in the first place and the binary result
# is reversed and in 4 bytes as ruby can only do 31 bits and so we can't test with just one int (?) # is reversed and in 4 bytes as ruby can only do 31 bits and so we can't test with just one int (?)
def assert_code code , op , should def assert_code code , op , should , status = false
assert_equal op , code.opcode assert_equal op , code.opcode
binary = @generator.assemble binary = @generator.assemble
assert_equal 4 , binary.length assert_equal 4 , binary.length
@ -23,23 +24,24 @@ class TestArmAsm < MiniTest::Test
assert_equal should[index] , byte assert_equal should[index] , byte
index += 1 index += 1
end end
assert code.affect_status if status #no s at the end, silly for mov anyway
end
def test_adc
code = @generator.instance_eval { adc r1, r3, r5}.first
assert_code code , :adc , [0x05,0x10,0xa3,0xe0]
end end
def test_mov def test_mov
code = @generator.instance_eval { mov r0, 5 }.first code = @generator.instance_eval { mov r0, 5 }.first
assert_code code , :mov , [0x05,0x00,0xa0,0xe3] assert_code code , :mov , [0x05,0x00,0xa0,0xe3]
assert ! code.affect_status #no s at the end, silly for mov anyway
end end
def test_sub def test_subs
code = @generator.instance_eval { subs r2, r0, 1 }.first code = @generator.instance_eval { subs r2, r0, 1 }.first
assert_code code, :sub , [0x01,0x20,0x50,0xe2] assert_code code, :sub , [0x01,0x20,0x50,0xe2] , true
assert code.affect_status #the s at the end
end end
def saved_other def saved_other
@generator.instance_eval do @generator.instance_eval do
mov r0, 5 mov r0, 5
loop_start = label loop_start = label!
loop_start.set!
subs r0, r0, 1 subs r0, r0, 1
bne loop_start bne loop_start
bx lr bx lr