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* git subrepo clone git@github.com:simonlindholm/asm-differ.git tools/asm-differ subrepo: subdir: "tools/asm-differ" merged: "11eee5916" upstream: origin: "git@github.com:simonlindholm/asm-differ.git" branch: "main" commit: "11eee5916" git-subrepo: version: "0.4.6" origin: "https://github.com/ingydotnet/git-subrepo" commit: "110b9eb" * ln -s ./tools/asm-differ/diff.py diff.py
190 lines
7.9 KiB
Python
190 lines
7.9 KiB
Python
import unittest
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import diff
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import json
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class TestSh2(unittest.TestCase):
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def get_config(self) -> diff.Config:
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arch = diff.get_arch("sh2")
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formatter = diff.JsonFormatter(arch_str="sh2")
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config = diff.Config(
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arch=arch,
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diff_obj=True,
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file="",
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make=False,
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source_old_binutils=True,
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diff_section=".text",
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inlines=False,
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max_function_size_lines=25000,
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max_function_size_bytes=100000,
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formatter=formatter,
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diff_mode=diff.DiffMode.NORMAL,
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base_shift=0,
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skip_lines=0,
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compress=None,
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show_rodata_refs=True,
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show_branches=True,
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show_line_numbers=False,
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show_source=False,
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stop_at_ret=None,
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ignore_large_imms=False,
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ignore_addr_diffs=True,
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algorithm="levenshtein",
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reg_categories={},
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)
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return config
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# check that comment <> regex has ? to avoid "<func_060E8780+0x44>,r1 ! 60e87d0"
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# all being a comment for:
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# mov.l 44 <func_060E8780+0x44>,r1 ! 60e87d0
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def test_sh2_comment(self) -> None:
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# parser specifically looks for tabs so make sure they are represented
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# 16: d1 0b mov.l 44 <func_060E8780+0x44>,r1 ! 60e87d0
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sh2_theirs = (
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" 16:\td1 0b \tmov.l\t44 <func_060E8780+0x44>,r1\t! 60e87d0\n"
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)
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# 16: d1 0b mov.l 44 <_func_060E8780+0x44>,r1 ! 0 <_func_060E8780>
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sh2_ours = " 16:\td1 0b \tmov.l\t44 <_func_060E8780+0x44>,r1\t! 0 <_func_060E8780>\n"
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config = self.get_config()
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display = diff.Display(sh2_theirs, sh2_ours, config)
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loaded = json.loads(display.run_diff()[0])
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curr = loaded["rows"][0]["current"]["src_comment"]
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assert curr != "<_func_060E8780+0x44>,r1 ! 0 <_func_060E8780>"
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assert curr == "<_func_060E8780+0x44>"
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def test_sh2_immediates(self) -> None:
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# test parsing these immediates
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# func_0606B760():
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# 0: ec 01 mov #1,r12
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# 2: 71 01 add #1,r1
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# 4: ec ff mov #-1,r12
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# 6: 71 ff add #-1,r1
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# 8: ec 7f mov #127,r12
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# a: 71 7f add #127,r1
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# c: ec 80 mov #-128,r12
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# e: 71 80 add #-128,r1
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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"
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# just diff with self
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sh2_ours = sh2_theirs
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config = self.get_config()
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display = diff.Display(sh2_theirs, sh2_ours, config)
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loaded = json.loads(display.run_diff()[0])
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expected = [
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"0: mov #0x1,r12",
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"2: add #0x1,r1",
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"4: mov #0xff,r12",
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"6: add #0xff,r1",
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"8: mov #0x7f,r12",
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"a: add #0x7f,r1",
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"c: mov #0x80,r12",
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"e: add #0x80,r1",
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]
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i = 0
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for text in loaded["rows"]:
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assert text["base"]["text"][0]["text"] == expected[i]
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i += 1
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def test_more_sh2_immediates(self) -> None:
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# test that the re_int regex is able to catch all these "boundary" numbers
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# since we have to match 0-9 one digit at a time
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# 0: 71 00 add #0,r1
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# 2: 71 01 add #1,r1
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# 4: 71 09 add #9,r1
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# 6: 71 0a add #10,r1
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# 8: 71 0b add #11,r1
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# a: 71 13 add #19,r1
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# c: 71 64 add #100,r1
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# e: 71 65 add #101,r1
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# 10: 71 6d add #109,r1
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# 12: 71 6f add #111,r1
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# 14: 71 77 add #119,r1
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# 16: 71 f7 add #-9,r1
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# 18: 71 f6 add #-10,r1
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# 1a: 71 f5 add #-11,r1
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# 1c: 71 ed add #-19,r1
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# 1e: 71 9c add #-100,r1
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# 20: 71 9b add #-101,r1
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# 22: 71 93 add #-109,r1
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# 24: 71 91 add #-111,r1
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# 26: 71 89 add #-119,r1
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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"
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# just diff with self
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sh2_ours = sh2_theirs
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config = self.get_config()
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display = diff.Display(sh2_theirs, sh2_ours, config)
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loaded = json.loads(display.run_diff()[0])
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expected = [
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"0: add #0x0,r1",
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"2: add #0x1,r1",
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"4: add #0x9,r1",
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"6: add #0xa,r1",
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"8: add #0xb,r1",
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"a: add #0x13,r1",
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"c: add #0x64,r1",
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"e: add #0x65,r1",
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"10: add #0x6d,r1",
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"12: add #0x6f,r1",
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"14: add #0x77,r1",
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"16: add #0xf7,r1",
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"18: add #0xf6,r1",
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"1a: add #0xf5,r1",
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"1c: add #0xed,r1",
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"1e: add #0x9c,r1",
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"20: add #0x9b,r1",
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"22: add #0x93,r1",
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"24: add #0x91,r1",
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"26: add #0x89,r1",
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]
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i = 0
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for text in loaded["rows"]:
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assert text["base"]["text"][0]["text"] == expected[i]
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i += 1
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def test_branch(self) -> None:
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# test that bt.s and bra get ~>
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# func():
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# 0: 8d 02 bt.s 8 <lab_0606B780>
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# 2: 6e f3 mov r15,r14
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# 4: a0 01 bra a <lab_0606B8E0>
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# 6: 00 09 nop
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# 00000008 <lab_0606B780>:
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# lab_0606B780():
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# 8: db 32 mov.l d4 <lab_0606B8E0+0xca>,r11
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# 0000000a <lab_0606B8E0>:
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# lab_0606B8E0():
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# a: 00 0b rts
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# c: 00 09 nop
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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"
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sh2_ours = sh2_theirs
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config = self.get_config()
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display = diff.Display(sh2_theirs, sh2_ours, config)
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loaded = json.loads(display.run_diff()[0])
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# bt.s 8
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print(loaded["rows"][0]["base"]["text"][1]["text"] == "~>")
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print(loaded["rows"][0]["base"]["text"][1]["key"] == "8")
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# bra a
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print(loaded["rows"][2]["base"]["text"][1]["text"] == "~>")
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print(loaded["rows"][2]["base"]["text"][1]["key"] == "10")
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if __name__ == "__main__":
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unittest.main()
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