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-rw-r--r--tools/asm-differ/test.py189
1 files changed, 189 insertions, 0 deletions
diff --git a/tools/asm-differ/test.py b/tools/asm-differ/test.py
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+++ b/tools/asm-differ/test.py
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+import unittest
+import diff
+import json
+
+
+class TestSh2(unittest.TestCase):
+ def get_config(self) -> diff.Config:
+ arch = diff.get_arch("sh2")
+ formatter = diff.JsonFormatter(arch_str="sh2")
+ config = diff.Config(
+ arch=arch,
+ diff_obj=True,
+ file='',
+ make=False,
+ source_old_binutils=True,
+ diff_section='.text',
+ inlines=False,
+ max_function_size_lines=25000,
+ max_function_size_bytes=100000,
+ formatter=formatter,
+ diff_mode=diff.DiffMode.NORMAL,
+ base_shift=0,
+ skip_lines=0,
+ compress=None,
+ show_rodata_refs=True,
+ show_branches=True,
+ show_line_numbers=False,
+ show_source=False,
+ stop_at_ret=None,
+ ignore_large_imms=False,
+ ignore_addr_diffs=True,
+ algorithm="levenshtein",
+ reg_categories={},
+ )
+ return config
+
+ # check that comment <> regex has ? to avoid "<func_060E8780+0x44>,r1 ! 60e87d0"
+ # all being a comment for:
+ # mov.l 44 <func_060E8780+0x44>,r1 ! 60e87d0
+ def test_sh2_comment(self) -> None:
+ # parser specifically looks for tabs so make sure they are represented
+
+ # 16: d1 0b mov.l 44 <func_060E8780+0x44>,r1 ! 60e87d0
+ sh2_theirs = (
+ " 16:\td1 0b \tmov.l\t44 <func_060E8780+0x44>,r1\t! 60e87d0\n"
+ )
+
+ # 16: d1 0b mov.l 44 <_func_060E8780+0x44>,r1 ! 0 <_func_060E8780>
+ sh2_ours = " 16:\td1 0b \tmov.l\t44 <_func_060E8780+0x44>,r1\t! 0 <_func_060E8780>\n"
+
+ config = self.get_config()
+ display = diff.Display(sh2_theirs, sh2_ours, config)
+ loaded = json.loads(display.run_diff()[0])
+
+ curr = loaded["rows"][0]["current"]["src_comment"]
+
+ assert curr != "<_func_060E8780+0x44>,r1 ! 0 <_func_060E8780>"
+ assert curr == "<_func_060E8780+0x44>"
+
+ def test_sh2_immediates(self) -> None:
+ # test parsing these immediates
+ # func_0606B760():
+ # 0: ec 01 mov #1,r12
+ # 2: 71 01 add #1,r1
+ # 4: ec ff mov #-1,r12
+ # 6: 71 ff add #-1,r1
+ # 8: ec 7f mov #127,r12
+ # a: 71 7f add #127,r1
+ # c: ec 80 mov #-128,r12
+ # e: 71 80 add #-128,r1
+ sh2_theirs = "func_0606B760():\n 0:\tec 01 \tmov\t#1,r12\n 2:\t71 01 \tadd\t#1,r1\n 4:\tec ff \tmov\t#-1,r12\n 6:\t71 ff \tadd\t#-1,r1\n 8:\tec 7f \tmov\t#127,r12\n a:\t71 7f \tadd\t#127,r1\n c:\tec 80 \tmov\t#-128,r12\n e:\t71 80 \tadd\t#-128,r1"
+
+ # just diff with self
+ sh2_ours = sh2_theirs
+
+ config = self.get_config()
+ display = diff.Display(sh2_theirs, sh2_ours, config)
+ loaded = json.loads(display.run_diff()[0])
+
+ expected = [
+ "0: mov #0x1,r12",
+ "2: add #0x1,r1",
+ "4: mov #0xff,r12",
+ "6: add #0xff,r1",
+ "8: mov #0x7f,r12",
+ "a: add #0x7f,r1",
+ "c: mov #0x80,r12",
+ "e: add #0x80,r1",
+ ]
+
+ i = 0
+ for text in loaded["rows"]:
+ assert text["base"]["text"][0]["text"] == expected[i]
+ i += 1
+
+ def test_more_sh2_immediates(self) -> None:
+ # test that the re_int regex is able to catch all these "boundary" numbers
+ # since we have to match 0-9 one digit at a time
+ # 0: 71 00 add #0,r1
+ # 2: 71 01 add #1,r1
+ # 4: 71 09 add #9,r1
+ # 6: 71 0a add #10,r1
+ # 8: 71 0b add #11,r1
+ # a: 71 13 add #19,r1
+ # c: 71 64 add #100,r1
+ # e: 71 65 add #101,r1
+ # 10: 71 6d add #109,r1
+ # 12: 71 6f add #111,r1
+ # 14: 71 77 add #119,r1
+ # 16: 71 f7 add #-9,r1
+ # 18: 71 f6 add #-10,r1
+ # 1a: 71 f5 add #-11,r1
+ # 1c: 71 ed add #-19,r1
+ # 1e: 71 9c add #-100,r1
+ # 20: 71 9b add #-101,r1
+ # 22: 71 93 add #-109,r1
+ # 24: 71 91 add #-111,r1
+ # 26: 71 89 add #-119,r1
+ sh2_theirs = "func_0606B760():\n 0:\t71 00 \tadd\t#0,r1\n 2:\t71 01 \tadd\t#1,r1\n 4:\t71 09 \tadd\t#9,r1\n 6:\t71 0a \tadd\t#10,r1\n 8:\t71 0b \tadd\t#11,r1\n a:\t71 13 \tadd\t#19,r1\n c:\t71 64 \tadd\t#100,r1\n e:\t71 65 \tadd\t#101,r1\n 10:\t71 6d \tadd\t#109,r1\n 12:\t71 6f \tadd\t#111,r1\n 14:\t71 77 \tadd\t#119,r1\n 16:\t71 f7 \tadd\t#-9,r1\n 18:\t71 f6 \tadd\t#-10,r1\n 1a:\t71 f5 \tadd\t#-11,r1\n 1c:\t71 ed \tadd\t#-19,r1\n 1e:\t71 9c \tadd\t#-100,r1\n 20:\t71 9b \tadd\t#-101,r1\n 22:\t71 93 \tadd\t#-109,r1\n 24:\t71 91 \tadd\t#-111,r1\n 26:\t71 89 \tadd\t#-119,r1"
+
+ # just diff with self
+ sh2_ours = sh2_theirs
+
+ config = self.get_config()
+ display = diff.Display(sh2_theirs, sh2_ours, config)
+ loaded = json.loads(display.run_diff()[0])
+
+ expected = [
+ "0: add #0x0,r1",
+ "2: add #0x1,r1",
+ "4: add #0x9,r1",
+ "6: add #0xa,r1",
+ "8: add #0xb,r1",
+ "a: add #0x13,r1",
+ "c: add #0x64,r1",
+ "e: add #0x65,r1",
+ "10: add #0x6d,r1",
+ "12: add #0x6f,r1",
+ "14: add #0x77,r1",
+ "16: add #0xf7,r1",
+ "18: add #0xf6,r1",
+ "1a: add #0xf5,r1",
+ "1c: add #0xed,r1",
+ "1e: add #0x9c,r1",
+ "20: add #0x9b,r1",
+ "22: add #0x93,r1",
+ "24: add #0x91,r1",
+ "26: add #0x89,r1",
+ ]
+
+ i = 0
+ for text in loaded["rows"]:
+ assert text["base"]["text"][0]["text"] == expected[i]
+ i += 1
+
+ def test_branch(self) -> None:
+ # test that bt.s and bra get ~>
+ # func():
+ # 0: 8d 02 bt.s 8 <lab_0606B780>
+ # 2: 6e f3 mov r15,r14
+ # 4: a0 01 bra a <lab_0606B8E0>
+ # 6: 00 09 nop
+
+ # 00000008 <lab_0606B780>:
+ # lab_0606B780():
+ # 8: db 32 mov.l d4 <lab_0606B8E0+0xca>,r11
+
+ # 0000000a <lab_0606B8E0>:
+ # lab_0606B8E0():
+ # a: 00 0b rts
+ # c: 00 09 nop
+ sh2_theirs = "func():\n 0:\t8d 02 \tbt.s\t8 <lab_0606B780>\n 2:\t6e f3 \tmov\tr15,r14\n 4:\ta0 01 \tbra\ta <lab_0606B8E0>\n 6:\t00 09 \tnop\t\n\n00000008 <lab_0606B780>:\nlab_0606B780():\n 8:\tdb 32 \tmov.l\td4 <lab_0606B8E0+0xca>,r11\n\n0000000a <lab_0606B8E0>:\nlab_0606B8E0():\n a:\t00 0b \trts\t\n c:\t00 09 \tnop\t"
+ sh2_ours = sh2_theirs
+
+ config = self.get_config()
+ display = diff.Display(sh2_theirs, sh2_ours, config)
+ loaded = json.loads(display.run_diff()[0])
+
+ # bt.s 8
+ print(loaded["rows"][0]["base"]["text"][1]["text"] == "~>")
+ print(loaded["rows"][0]["base"]["text"][1]["key"] == "8")
+
+ # bra a
+ print(loaded["rows"][2]["base"]["text"][1]["text"] == "~>")
+ print(loaded["rows"][2]["base"]["text"][1]["key"] == "10")
+
+
+if __name__ == "__main__":
+ unittest.main()