Fea #71, 让qt5.15.12支持XP，改进dbghelp支持

- 添加 SymSetSearchPathW - 添加 SymGetSearchPathW
Chuyu-Team · May 20, 2024 · 8c80dbf · 8c80dbf
1 parent 3f59f23
commit 8c80dbf
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Showing 5 changed files with 97 additions and 0 deletions.
diff --git a/ThunksList.md b/ThunksList.md
@@ -165,6 +165,12 @@
 | CryptProtectMemory                         | 不存在时，返回TRUE。
 | CryptUnprotectMemory                       | 不存在时，返回TRUE。
 
+## DbgHelp.dll
+| 函数                                       | Fallback
+| ----                                       | -----------
+| SymSetSearchPathW                          | 不存在时，调用SymSetSearchPath。
+| SymGetSearchPathW                          | 不存在时，调用SymGetSearchPath。
+
 ## dwmapi.dll
 | 函数                                       | Fallback
 | ----                                       | -----------

diff --git a/src/Thunks/YY_Thunks.cpp b/src/Thunks/YY_Thunks.cpp
@@ -7,6 +7,7 @@
     _APPLY(kernel32,                                     "kernel32"                           , USING_UNSAFE_LOAD ) \
     _APPLY(crypt32,                                      "crypt32"                            , 0                 ) \
     _APPLY(dwmapi,                                       "dwmapi"                             , 0                 ) \
+    _APPLY(dbghelp,                                      "dbghelp"                            , USING_UNSAFE_LOAD ) \
     _APPLY(psapi,                                        "psapi"                              , 0                 ) \
     _APPLY(pdh,                                          "pdh"                                , 0                 ) \
     _APPLY(version,                                      "version"                            , 0                 ) \

diff --git a/src/Thunks/dbghelp.hpp b/src/Thunks/dbghelp.hpp
@@ -0,0 +1,86 @@
+#include <dbghelp.h>
+
+#if (YY_Thunks_Support_Version < NTDDI_WIN6)
+#pragma comment(lib, "Dbghelp.lib")
+#endif
+
+namespace YY::Thunks
+{
+#if (YY_Thunks_Support_Version < NTDDI_WIN6)
+
+    // XP SP3自带的没有W版
+    __DEFINE_THUNK(
+    dbghelp,
+    8,
+    BOOL,
+    WINAPI,
+    SymSetSearchPathW,
+        _In_ HANDLE hProcess,
+        _In_opt_ PCWSTR SearchPath
+        )
+    {
+        if (const auto _pfnSymSetSearchPathW = try_get_SymSetSearchPathW())
+        {
+            return _pfnSymSetSearchPathW(hProcess, SearchPath);
+        }
+
+        PCSTR _szSearchPathANSI = nullptr;
+
+        internal::StringBuffer<char> _szBuffer;
+        if (SearchPath)
+        {
+            auto _lStatus = internal::Convert(SearchPath, -1, &_szBuffer);
+            if (_lStatus)
+            {
+                SetLastError(_lStatus);
+                return FALSE;
+            }
+
+            _szSearchPathANSI = _szBuffer.GetC_String();
+        }
+        return ::SymSetSearchPath(hProcess, _szSearchPathANSI);
+    }
+#endif
+
+
+#if (YY_Thunks_Support_Version < NTDDI_WIN6)
+
+    // XP SP3自带的没有W版
+    __DEFINE_THUNK(
+    dbghelp,
+    12,
+    BOOL,
+    WINAPI,
+    SymGetSearchPathW,
+        _In_ HANDLE hProcess,
+        _Out_writes_(SearchPathLength) PWSTR SearchPath,
+        _In_ DWORD SearchPathLength
+        )
+    {
+        if (const auto _pfnSymGetSearchPathW = try_get_SymGetSearchPathW())
+        {
+            return _pfnSymGetSearchPathW(hProcess, SearchPath, SearchPathLength);
+        }
+
+        if (SearchPath == nullptr || SearchPathLength == 0)
+        {
+            SetLastError(ERROR_INVALID_PARAMETER);
+            return FALSE;
+        }
+
+        char _szANSISearchPathBuffer[2048];
+        if (!SymGetSearchPath(hProcess, _szANSISearchPathBuffer, _countof(_szANSISearchPathBuffer)))
+        {
+            return FALSE;
+        }
+
+        if (*_szANSISearchPathBuffer == L'\0')
+        {
+            SearchPath[0] = L'\0';
+            return TRUE;
+        }
+
+        return MultiByteToWideChar(CP_ACP, 0, _szANSISearchPathBuffer, -1, SearchPath, SearchPathLength) == 0;
+    }
+#endif
+}
diff --git a/src/YY-Thunks.UnitTest/YY-Thunks.UnitTest.vcxproj b/src/YY-Thunks.UnitTest/YY-Thunks.UnitTest.vcxproj
@@ -219,6 +219,7 @@
     <ClInclude Include="..\Thunks\BCryptPrimitives.hpp" />
     <ClInclude Include="..\Thunks\bluetoothapis.hpp" />
     <ClInclude Include="..\Thunks\Crypt32.hpp" />
+    <ClInclude Include="..\Thunks\dbghelp.hpp" />
     <ClInclude Include="..\Thunks\dwmapi.hpp" />
     <ClInclude Include="..\Thunks\ext-ms-win-ntuser-powermanagement.hpp" />
     <ClInclude Include="..\Thunks\ext-ms-win-ntuser-window.hpp" />

diff --git a/src/YY-Thunks.UnitTest/YY-Thunks.UnitTest.vcxproj.filters b/src/YY-Thunks.UnitTest/YY-Thunks.UnitTest.vcxproj.filters
@@ -275,6 +275,9 @@
     <ClInclude Include="..\Shared\Heap.h">
       <Filter>Shared</Filter>
     </ClInclude>
+    <ClInclude Include="..\Thunks\dbghelp.hpp">
+      <Filter>Thunks</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <None Include="..\def\x86\PSAPI2Kernel32.def">