2026-07-28 21:11:10 +08:00
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# PE/EXE 兼容层测试矩阵
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> 对应计划 Phase B:PE32+ (64位 native) 与 PE32 (32位 x86emu32) 兼容层验证
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> 入口:cmd.elf 通过 `ctx->reserved[4]` 取 pe_service
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## 状态: ⬜ PENDING
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## 测试程序
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| 文件 | 类型 | 来源 | FAT32 8.3 名 | 路径 |
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|---|---|---|---|---|
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| hello64.exe | PE32+ (64位) | MinGW/MSVC 编译或 Python 生成 | `HELLO64 EXE` | SYSTEM/system/deshab64/tools/ |
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| hello32.exe | PE32 (32位) | MinGW 交叉编译或 Python 生成 | `HELLO32 EXE` | SYSTEM/system/deshab64/tools/ |
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## 测试矩阵
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| # | 测试项 | 命令 | 预期输出 | 状态 | Bug# |
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|---|---|---|---|---|---|
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| B2.1 | PE32+ 加载执行 | `pe HELLO64.EXE` | `Hello from PE32+!` | ⬜ | |
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| B2.2 | PE32 加载执行(解释器) | `pe HELLO32.EXE` | `Hello from PE32!` | ⬜ | |
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| B2.3 | PE 头解析 | `peinfo HELLO64.EXE` | `machine=0x8664 entry=0x... image_base=0x...` | ⬜ | |
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| B2.4 | 文件不存在错误路径 | `pe NONEXIST.EXE` | `Error: file not found` | ⬜ | |
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| B2.5 | 无参用法提示 | `pe` | 显示用法 | ⬜ | |
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| B2.6 | ExitProcess 返回 | (执行后) | cmd 接管,longjmp 跳回 pe_service_run | ⬜ | |
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| B2.7 | PE32 头解析 | `peinfo HELLO32.EXE` | `machine=0x14c entry=0x... image_base=0x00400000` | ⬜ | |
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## 关键 ABI 验证
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| ABI | 验证方法 | 状态 |
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|---|---|---|
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| `ctx->reserved[4]` 持 pe_service* | [cmd/main.c:825](../../CODE/cmd/main.c#L825) | ⬜ |
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| `PE_SERVICE_MAGIC` 校验 | [cmd/main.c:830](../../CODE/cmd/main.c#L830) | ⬜ |
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| `g_pe_svc` 缓存 | [cmd/main.c:108](../../CODE/cmd/main.c#L108) | ⬜ |
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| PE32+ IAT 填 ms_abi shim | [pe_loader.c](../../CODE/UTSM/pe/pe_loader.c) | ⬜ |
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| PE32 IAT 填合成地址 0x00010000\|idx | [pe_loader.c](../../CODE/UTSM/pe/pe_loader.c) | ⬜ |
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| x86emu32 拦截 CALL 合成地址 | [x86emu32.c](../../CODE/UTSM/pe/x86emu32.c) | ⬜ |
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## 测试程序源码
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### hello64.c (PE32+)
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```c
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#include <windows.h>
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int main(void) {
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WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), "Hello from PE32+!\r\n", 19, NULL, NULL);
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return 0;
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}
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```
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编译:`x86_64-w64-mingw32-gcc -o hello64.exe hello64.c` 或 `cl /Fe:hello64.exe hello64.c`
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### hello32.c (PE32)
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```c
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#include <windows.h>
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int main(void) {
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WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), "Hello from PE32!\r\n", 18, NULL, NULL);
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return 0;
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}
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```
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编译:`i686-w64-mingw32-gcc -o hello32.exe hello32.c -Wl,--image-base=0x00400000`
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### Fallback: Python 生成器
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若无 MinGW/MSVC,使用 [CODE/tools/pe-samples/gen_pe.py](../../CODE/tools/pe-samples/gen_pe.py) 生成最小 PE 程序。
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2026-08-04 18:08:08 +08:00
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## 自动化脚本
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[tests/qemu/pe-compat.ps1](../../../tests/qemu/pe-compat.ps1) 正常启动到 cmd.elf,
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AUTOEXEC.BAT 自动执行 PE 命令序列:
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```powershell
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.\tests\qemu\pe-compat.ps1 # 复用现有镜像
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.\tests\qemu\pe-compat.ps1 -Build # 先全量构建再测
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```
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因两个已登记系统 bug([Bug记录.txt](../Bug记录.txt) BUG-20260801-006/007),脚本拆三个独立会话:
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- **会话 A (pe64)**:B2.1 `pe HELLO64.EXE` → `[PE] PE32+ (64-bit)` →
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`[PE] running PE32+ natively` → `Hello from PE32+!`(自动断言 PASS)。
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随后的 ExitProcess 触发 BUG-006(setjmp/longjmp UB → 三重故障),会话终止;
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`[cmd] PE run end` 返回链标 MANUAL,日志出现即自动升级 PASS。
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- **会话 B (pe32)**:B2.2 `pe HELLO32.EXE` → `[PE] running PE32 via x86emu32`
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解释器接管(自动断言 PASS,且无 emulator error / unimplemented)。
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首个 shim 调用 printf 触发 BUG-007(fn64 回退 guest 指针当 host 指针),
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会话终止;`Hello from PE32!` 标 MANUAL,出现即自动升级 PASS。
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- **会话 C (peerr)**:B2.4 `pe NONEXIST.EXE` 错误路径(不产生 `[cmd] PE run begin`)
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+ `exit` 正常返回 DSK(`[DSK] cmd.elf returned`,自动断言 PASS)。
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WHPX 下任一会话未命中锚点自动以 `-Accel tcg` 重跑(可 `-Accel tcg` 直接指定)。
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禁止锚点:`[PANIC]` / `[PE32] emulator error` / `[PE] unimplemented import`。
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B2.3/B2.7(peinfo)与 B2.5(无参用法提示)仅写帧缓冲(cmd 非 dev_mode 无串口镜像),标 MANUAL。
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PE32 解释器指令级覆盖率另见 [x86emu32-coverage.ps1](../../../tests/qemu/x86emu32-coverage.ps1)。
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### GUI 应用端到端:deaicup-e2e.ps1
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[tests/qemu/deaicup-e2e.ps1](../../../tests/qemu/deaicup-e2e.ps1) 验证 Deaicup
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(Rust/egui 移植的原始 Win32 API PE64 GUI 应用)端到端:AUTOEXEC `pe DEAICUP.EXE` 启动后
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经 monitor 驱动键鼠并断言串口锚点 + screendump 像素:
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- **9 锚点顺序链**:`[cmd] cmdline: DEAICUP.EXE` → `[PE] running PE32+ natively` →
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`[deaicup] mainCRTStartup` → `[shim] RegisterClassExW ok` → `[shim] CreateWindowExW ok` →
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`[shim] CreateDIBSection ok` → `[dc] Context::default ok` →
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`[shim] BitBlt first frame on screen` → `[dc] bitblt ok`
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- **首帧像素分析**:非全黑(nonBlack≥100000)、颜色种数 ≥32、GUI 窗口矩形检测
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(窗口主体色 #1B1B1B 行扫描实心段 → 800x508 包围盒、填充率 ≥75%)
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- **鼠标**:AUX 初始化 + mouse_move → `[shim] mpkt`(WM_MOUSEMOVE)、
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mouse_button → `[shim] LDOWN/LUP` 边沿(WM_LBUTTONDOWN/UP)、
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两次 screendump 光标区像素差异(8..60000 采样点)
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- **键盘**:sendkey → `[shim] KEYDOWN/CHAR/KEYUP`(WM_KEYDOWN/WM_CHAR/WM_KEYUP)
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- **退出链**:Esc → WM_CLOSE → `[deaicup] quit, ExitProcess(0)` →
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`[PE] ExitProcess code=` → `[cmd] PE run end`(回归 BUG-006 长运行返回链、BUG-005 异常噪声)
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- 禁止锚点:`[PANIC]` / `[IDT] exception` / `Unimplemented handler`
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WHPX 未命中首帧锚点自动以 `-Accel tcg` 重跑(可 `-Accel tcg` 直接指定);monitor 固定 45454。
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证据帧输出 `.build_tmp/tests/deaicup-frame.png`。
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2026-07-28 21:11:10 +08:00
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## 已知限制
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- pe_shim 实现的 Win32 API 子集有限,测试程序仅使用 WriteFile + ExitProcess
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- x86emu32 指令覆盖率参见 [x86emu32-coverage.md](x86emu32-coverage.md)
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- TLS / IFUNC / lazy binding 不支持(DKM ABI 约束)
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