Александр Петров
398 lines
19 KiB
Python
398 lines
19 KiB
Python
#!/usr/bin/env python3
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"""Изолированный MAME-репро: загрузка EXE, проверка main и async step.
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Использует копию системного HDD и собственную дискету/каталоги состояния.
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Ничего не меняет в общих media или уже запущенном MAME.
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"""
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import json
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import os
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from pathlib import Path
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import select
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import shutil
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import subprocess
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import sys
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import time
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import uuid
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# Запуск через системный python3 тоже подхватывает local pyenv проекта.
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if sys.version_info < (3, 12):
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os.execvp('pyenv', ['pyenv', 'exec', 'python', __file__, *sys.argv[1:]])
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ROOT=Path(__file__).resolve().parents[2]
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os.environ['SPRINTER_PYTHON'] = sys.executable
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sys.path.insert(0,str(ROOT/'toolchain'))
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from sdbg.model import DebugMap
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from sdbg.image import read_ihx
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from sdbg.session import DebugSession
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from mame_interactive import build_events
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from make_disk import create_floppy_image
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from mame_profile import MameProfile, write_keyboard_config
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def wait_dap_stop(engine, timeout=15):
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deadline=time.monotonic()+timeout
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seen=[]
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while time.monotonic()<deadline:
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events,closed=engine.poll_events(min(.5,deadline-time.monotonic()))
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seen.extend(events)
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if any(name=='stopped' for name,_ in events): return seen
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if closed: break
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raise RuntimeError('Исходный шаг не дал stopped: '+str(seen))
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def main():
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banked_mode = '--banked' in sys.argv
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work=ROOT/'build/sdbg-live'
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work.mkdir(parents=True,exist_ok=True)
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source=work/'probe.c'
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source.write_text('''volatile int total;
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int main(void) {
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total = 42;
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while (total) {
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total++;
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}
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return 0;
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}
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''')
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bank_source=work/'probe_bank.c'
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if banked_mode:
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source.write_text('''volatile int total;
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void worker(void) __banked;
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int main(void) {
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total = 1;
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worker();
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while (total) { }
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return 0;
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}
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''')
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bank_source.write_text('''volatile int bank_value;
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void worker(void) __banked {
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bank_value = 77;
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}
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''')
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exe=work/'probe.exe'
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build=[str(ROOT/'bin/sprinter-cc'),'--src-debug','-o',str(exe)]
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if banked_mode:
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build.extend(['--memory','huge','--bank','1='+str(bank_source)])
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build.append(str(source))
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subprocess.run(build,check=True)
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model=DebugMap(work/'.sprinter-cc-probe')
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function=next(f for f in model.functions if f['name']=='main')
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memory=read_ihx(model.directory/'probe.ihx')
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signature=[memory[a] for a in range(function['start'],min(function['end'],function['start']+24))]
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main_address=function['start']
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if '--launcher' in sys.argv:
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assert banked_mode,'--launcher probe пока требует --banked'
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from sdbg.dap import DapEngine
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socket_path=Path('/tmp')/('sprinter-launch-'+uuid.uuid4().hex+'.sock')
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launcher_command=[sys.executable,str(ROOT/'toolchain/sdbg_launcher.py'),
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'--build',str(model.directory),'--socket',str(socket_path)]
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if '--native-debugger' in sys.argv:
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launcher_command.extend(['--debugger','osx'])
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launcher=subprocess.Popen(launcher_command,
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stdout=subprocess.PIPE,stderr=sys.stderr,text=True)
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try:
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readable,_,_=select.select([launcher.stdout],[],[],75)
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assert readable,'Launcher не сообщил ready'
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ready=json.loads(launcher.stdout.readline())
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assert ready['entry']['false_hits']==0,ready
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engine=DapEngine()
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engine.handle('attach',{'socket':ready['socket']})
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if '--source-step' in sys.argv:
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entry_frame=engine.handle('stackTrace',{})[0]['stackFrames'][0]
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engine.handle('stepIn',{})
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wait_dap_stop(engine)
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into_frame=engine.handle('stackTrace',{})[0]['stackFrames'][0]
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engine.handle('next',{})
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wait_dap_stop(engine)
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over_frame=engine.handle('stackTrace',{})[0]['stackFrames'][0]
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assert entry_frame['name'].startswith('main'),entry_frame
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assert into_frame['name'].startswith('main'),into_frame
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assert over_frame['name'].startswith('main'),over_frame
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assert into_frame['line'] != entry_frame['line'],(
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entry_frame,into_frame)
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assert over_frame['line'] != into_frame['line'],(
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into_frame,over_frame)
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print(json.dumps({'event':'source_step_verified',
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'entry':entry_frame,'into':into_frame,
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'over':over_frame,
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'dss_ready_time':ready['entry']['dss_ready_time']}))
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return 0
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engine.handle('setBreakpoints',{'source':{'path':str(bank_source)},
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'breakpoints':[{'line':3,'logMessage':'bank_value={bank_value}'}]})
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engine.handle('setFunctionBreakpoints',{'breakpoints':[{'name':'worker'}]})
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engine.handle('continue',{})
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deadline=time.monotonic()+5
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stopped=False
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dap_events=[]
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while time.monotonic()<deadline:
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events,closed=engine.poll_events(.5)
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dap_events.extend(events)
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if any(name=='stopped' for name,_ in events): stopped=True;break
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assert stopped
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assert any(name=='output' and body['output']=='bank_value=0\n'
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for name,body in dap_events),dap_events
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frame=engine.handle('stackTrace',{})[0]['stackFrames'][0]
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assert frame['name'].startswith('worker'),frame
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if '--step-out' in sys.argv:
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engine.handle('stepOut',{})
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wait_dap_stop(engine)
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caller=engine.handle('stackTrace',{})[0]['stackFrames'][0]
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assert caller['name'].startswith('main'),caller
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print(json.dumps({'event':'step_out_verified',
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'worker':frame,'caller':caller,
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'dss_ready_time':ready['entry']['dss_ready_time']}))
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return 0
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print(json.dumps({'event':'launcher_verified','entry':ready['entry'],
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'build_id':ready['build_id'],'frame':frame['name'],
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'logpoint':'bank_value=0'}))
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return 0
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finally:
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if launcher.poll() is None:
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launcher.terminate()
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try: launcher.wait(timeout=8)
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except subprocess.TimeoutExpired: launcher.kill();launcher.wait()
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profile=MameProfile.resolve()
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profile.validate(dss=True)
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create_floppy_image(str(work/'probe.img'),[('PROBE.EXE',str(exe))])
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system=work/'system.chd'
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if not system.exists(): shutil.copyfile(profile.system_hdd_image,system)
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events=build_events([(10,'a:\\probe.exe\n')])
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ev=',\n'.join('{'+f'{t},"{tag}",{mask},{value}'+'}' for t,tag,mask,value in events)
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report=work/'result.jsonl'
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report.write_text('')
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lua=work/'probe.lua'
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lua.write_text('''if _G.sdbg_probe_loaded then return end
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_G.sdbg_probe_loaded=true
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local machine=manager.machine
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local cpu=machine.devices[":maincpu"]
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local debug=machine.debugger
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local report=io.open(REPORT,"a")
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local function emit(text) report:write(text .. "\\n");report:flush() end
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local function now() local t=machine.time;return t.seconds+t.attoseconds/1e18 end
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local events={EVENTS}
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local index=1
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local signature={SIGNATURE}
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local phase="booting"
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local last_time=nil
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local ticks=0
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local bp=nil
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local false_hits=0
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local launch_reported=false
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local active=true
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_G.sdbg_probe_reset_subscription=emu.add_machine_reset_notifier(function()
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-- Первый notifier относится к начальному machine start. После arm это
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-- уже настоящий reset сессии, и старый debugger object трогать нельзя.
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if phase~="booting" then active=false end
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end)
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debug.execution_state="run"
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emu.register_periodic(function()
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if not active then return end
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ticks=ticks+1
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-- До окна запуска приложения DSS работает вообще без наших точек.
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-- Первая клавиша launch sequence придёт через полсекунды после arm.
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if phase=="booting" and now()>=events[1][1]-0.5 then
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bp=cpu.debug:bpset(MAIN,"", "")
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phase="loading"
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machine.video:snapshot()
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emit('{"event":"dss_wait_complete","time":' .. now() .. '}')
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emit('{"event":"entry_armed","time":' .. now() .. '}')
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end
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if not launch_reported and now()>=events[1][1] then
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launch_reported=true
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emit('{"event":"launch_input_started","time":' .. now() .. '}')
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end
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while index<=#events and now()>=events[index][1] do
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local e=events[index]
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for _,field in pairs(machine.ioport.ports[e[2]].fields) do
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if field.mask==e[3] then field:set_value(e[4]);break end
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end
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index=index+1
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end
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if debug.execution_state=="stop" then
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local pc=cpu.state.PC.value
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if phase=="loading" then
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local match=pc==MAIN
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for i,b in ipairs(signature) do
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if cpu.spaces.program:read_u8(0x10000+MAIN+i-1)~=b then match=false end
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end
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if not match then false_hits=false_hits+1;debug.execution_state="run";return end
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emit('{"event":"main","pc":' .. pc .. ',"ticks":' .. ticks ..
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',"false_hits":' .. false_hits .. '}')
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cpu.debug:bpclear(bp)
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if os.getenv("SDBG_SESSION_ID") then phase="bridge_wait";return end
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phase="stepping"
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last_time=now()
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cpu.debug:step(1)
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emit('{"event":"step_requested","pc":' .. cpu.state.PC.value .. '}')
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elseif phase=="stepping" and now()>last_time then
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emit('{"event":"step_completed","pc":' .. pc .. ',"ticks":' .. ticks .. '}')
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report:close()
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machine:exit()
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end
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end
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if now()>35 then emit('{"event":"timeout"}');report:close();machine:exit() end
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end)
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'''.replace('REPORT',json.dumps(str(report))).replace('EVENTS',ev)
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.replace('SIGNATURE',','.join(map(str,signature))).replace('MAIN',str(main_address)))
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command=[str(profile.binary),'sprinter','-noreadconfig',
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'-rompath',str(profile.rompath),'-bios',profile.bios,'-kbd','ms_naturl,bios=sp2k',
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'-video','none','-sound','none','-nothrottle','-skip_gameinfo',
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'-beta:wd179x:0','35hd','-flop1',str(work/'probe.img'),
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'-flop2',str(profile.dss_image),
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'-hard1',str(system),'-debug','-debugger','none',
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'-autoboot_delay','0','-autoboot_script',str(lua)]
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for key in ['nvram','cfg','diff','snapshot']:
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(work/key).mkdir(exist_ok=True)
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command.extend(['-'+key+'_directory',str(work/key)])
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write_keyboard_config(work/'cfg')
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bridge_mode = '--bridge' in sys.argv
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server_mode = '--server' in sys.argv
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env = dict(os.environ)
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if bridge_mode:
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command[command.index('-debugger')+1] = (
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'osx' if '--native-debugger' in sys.argv else 'sdbg')
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command[command.index('-video')+1]='soft'
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command.append('-window')
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ipc=work/('ipc-'+uuid.uuid4().hex)
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ipc.mkdir()
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env.update(SDBG_IPC_DIR=str(ipc),SDBG_SESSION_ID=uuid.uuid4().hex)
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plugin_paths = [ROOT / 'toolchain/mcp']
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if profile.home:
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installed = profile.home.parent / 'plugins'
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if installed.is_dir():
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plugin_paths.append(installed)
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command.extend(['-verbose','-plugin','sdbgbridge','-pluginspath',
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';'.join(map(str, plugin_paths))])
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with (work/'mame.log').open('w') as log:
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if not bridge_mode:
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result=subprocess.run(command,cwd=work,env=env,stdout=log,stderr=subprocess.STDOUT,timeout=55)
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else:
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from sdbg.transport import FileBridge, BridgeError
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process=subprocess.Popen(command,cwd=work,env=env,stdout=log,stderr=subprocess.STDOUT)
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bridge=None
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server_process=None
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try:
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deadline=time.monotonic()+50
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while '"event":"main"' not in report.read_text():
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if process.poll() is not None or time.monotonic()>deadline:
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raise RuntimeError('Нет остановки main; см. '+str(work/'mame.log'))
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time.sleep(.05)
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if server_mode:
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assert banked_mode,'--server live probe пока требует --banked'
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from sdbg.dap import DapEngine
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socket_path=Path('/tmp')/('sprinter-sdbg-'+uuid.uuid4().hex+'.sock')
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server_process=subprocess.Popen([
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sys.executable,str(ROOT/'toolchain/sdbg_server.py'),
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'--build',str(model.directory),'--ipc',str(ipc),
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'--session',env['SDBG_SESSION_ID'],'--socket',str(socket_path)],
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stdout=subprocess.PIPE,stderr=subprocess.PIPE,text=True)
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ready=server_process.stdout.readline()
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assert ready and json.loads(ready)['ready'],server_process.stderr.read()
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try:
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FileBridge(ipc,env['SDBG_SESSION_ID'])
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raise AssertionError('Session server не удержал owner lock')
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except BridgeError: pass
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dap=DapEngine()
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attached,_=dap.handle('attach',{'socket':str(socket_path)})
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assert attached['buildId']==model.manifest['build_id']
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started=time.monotonic()
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points,_=dap.handle('setFunctionBreakpoints',
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{'breakpoints':[{'name':'worker'}]})
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assert points['breakpoints'][0]['verified']
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dap.handle('continue',{})
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deadline=time.monotonic()+5
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dap_events=[]
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while time.monotonic()<deadline:
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found,closed=dap.poll_events(.5)
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dap_events.extend(found)
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if any(name=='stopped' for name,_ in dap_events): break
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assert any(name=='stopped' for name,_ in dap_events),dap_events
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frame=dap.handle('stackTrace',{})[0]['stackFrames'][0]
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assert frame['name'].startswith('worker'),frame
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location=dap.rpc('where')
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assert location['function']['bank']==1
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debug_wall_ms=round((time.monotonic()-started)*1000,2)
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with report.open('a') as file:
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file.write(json.dumps({'event':'server_dap_verified',
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'build_id':attached['buildId'],'frame':frame['name'],
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'line_break_pc':location['pc'],'bank':1,
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'debug_wall_ms':debug_wall_ms})+'\n')
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else:
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bridge=FileBridge(ipc,env['SDBG_SESSION_ID'])
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assert bridge.handshake()['protocol']==1
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try:
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FileBridge(ipc,env['SDBG_SESSION_ID'])
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raise AssertionError('Допущен второй управляющий клиент')
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except BridgeError: pass
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session=DebugSession(model,bridge)
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attached=session.attach()
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assert attached['pc']==main_address
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assert session.read_variable('total')['value']==0
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bridge.generation-=1
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try:
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bridge.request('memory',address=main_address,length=1)
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raise AssertionError('Принята устаревшая generation')
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except BridgeError as error:
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assert 'generation' in str(error)
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try:
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bridge.request('clear',id=999999)
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raise AssertionError('Удалена чужая точка')
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except BridgeError: pass
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started=time.monotonic()
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if banked_mode:
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breakpoint=session.break_function('worker',enabled=False)
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expected='ib@e2=='+format(attached['bank_pages'][1],'x')
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assert breakpoint['conditions']==[expected]
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assert session.activate_breakpoints()['enabled']>=1
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bridge.request('continue')
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stopped=bridge.wait_stopped()
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location=session.where(stopped)
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assert location['status'] in ('mapped','ambiguous'), (location,stopped,attached)
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assert location['function']['name']=='worker'
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assert location['function']['bank']==1
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session.clear_breakpoint(breakpoint['id'])
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after={'pc':stopped['registers']['PC']}
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else:
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bridge.request('step')
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after=session.where(bridge.wait_stopped())
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assert after['pc']==main_address+3
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bridge.request('step')
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session.where(bridge.wait_stopped())
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assert session.read_variable('total')['value']==42
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breakpoint=session.break_line(str(source),5)
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bridge.request('continue')
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stopped=bridge.wait_stopped()
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location=session.where(stopped)
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assert location['status']=='mapped'
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assert location['sources']==[{'file':str(source.resolve()),'line':5}]
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session.clear_breakpoint(breakpoint['id'])
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events=bridge.request('events',after=0)
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assert any(event['kind']=='stopped' for event in events['events'])
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final_total=session.read_variable('total')['value'] if not banked_mode else None
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debug_wall_ms=round((time.monotonic()-started)*1000,2)
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with report.open('a') as file:
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file.write(json.dumps({'event':'bridge_verified','pc_before':main_address,
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'pc_after_step':after['pc'],
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'line_break_pc':stopped['registers']['PC'],
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'total':final_total,
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'bank':location['function'].get('bank'),
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'step_wall_ms':debug_wall_ms,
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'generation':bridge.generation})+'\n')
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finally:
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if bridge: bridge.close()
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if server_process and server_process.poll() is None:
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server_process.terminate()
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try: server_process.wait(timeout=3)
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except subprocess.TimeoutExpired: server_process.kill();server_process.wait()
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if process.poll() is None:
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process.terminate()
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try: process.wait(timeout=5)
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except subprocess.TimeoutExpired: process.kill();process.wait()
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print(report.read_text())
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if not bridge_mode and (result.returncode or 'step_completed' not in report.read_text()):
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print((work/'mame.log').read_text());return 1
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return 0
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if __name__=='__main__':sys.exit(main())
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