diff options
Diffstat (limited to 'tools/asm-differ/test.py')
| -rw-r--r-- | tools/asm-differ/test.py | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/tools/asm-differ/test.py b/tools/asm-differ/test.py new file mode 100644 index 000000000..b5f037f90 --- /dev/null +++ b/tools/asm-differ/test.py @@ -0,0 +1,189 @@ +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() |
