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authorChristian Krinitsin <mail@krinitsin.com>2025-07-03 07:27:52 +0000
committerChristian Krinitsin <mail@krinitsin.com>2025-07-03 07:27:52 +0000
commitd0c85e36e4de67af628d54e9ab577cc3fad7796a (patch)
treef8f784b0f04343b90516a338d6df81df3a85dfa2 /results/classifier/deepseek-2/reasoning/manual-review/1972
parent7f4364274750eb8cb39a3e7493132fca1c01232e (diff)
downloadqemu-analysis-d0c85e36e4de67af628d54e9ab577cc3fad7796a.tar.gz
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add deepseek and gemma results
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+<think>
+Okay, so I'm trying to figure out why my build is failing with these undefined references when using the Mingw32 cross compiler. Let me start by looking at the error messages.
+
+The first error says there's an undefined reference to `__imp_qemu_plugin_register_vcpu_insn_exec_cb`. Hmm, that seems like a function from QEMU's plugin API. I remember that on Windows, you need to use the import libraries correctly for cross-compiling.
+
+In the Makefile or build script, maybe the order in which the linker includes the object files and libraries matters. The user mentioned that moving `qemu_plugin_api.lib` after the other `.obj` files fixed it. So perhaps the issue is about linking order—static libraries should come after the objects because the linker processes them in the order they're specified.
+
+I think I need to check how the linker command is structured. In the failing case, `qemu_plugin_api.lib` was included before the object files. That might cause the linker to not resolve the symbols properly because it hasn't processed the objects yet when looking for those symbols in the library.
+
+So, modifying the build script or Makefile to include `qemu_plugin_api.lib` after all the `.obj` files should fix this. Also, I should ensure that any other dependencies are correctly ordered so that the libraries come after the object files where necessary.
+
+Another thing to consider is whether the import library is properly built and contains all the required symbols. Maybe there's a missing dependency in `qemu_plugin_api.lib`, but since moving it fixes the issue, it's more likely an ordering problem.
+
+I should also look into the project structure to see if the plugin API is correctly included in the build process for the tests. If the test plugins are not properly linked against the plugin API, they might miss these symbols.
+
+In summary, the key steps would be:
+1. Ensure that `qemu_plugin_api.lib` is placed after all `.obj` files in the linker command.
+2. Verify the linking order to make sure dependencies are correctly resolved.
+3. Check if all necessary libraries and their dependencies are included properly.
+
+By adjusting the linker's argument order, I should resolve these undefined reference errors.
+</think>
+
+The issue arises because the `qemu_plugin_api.lib` is placed before the object files in the linker command, causing it to not find the required symbols during linking. To fix this:
+
+1. **Adjust Linker Order**: Ensure that all `.obj` files are processed before the import library. This allows the linker to resolve the undefined references correctly.
+
+2. **Modify Build Command**: Update the Makefile or build script to include `qemu_plugin_api.lib` after the object files when linking the shared library.
+
+**Corrected Linker Command:**
+
+```bash
+x86_64-w64-mingw32-gcc -m64 -mcx16 plugins/qemu_plugin_api.lib \
+    -o tests/plugin/libinsn.dll \
+    tests/plugin/libinsn.dll.p/insn.c.obj \
+    tests/plugin/libinsn.dll.p/.._.._contrib_plugins_win32_linker.c.obj \
+    -Wl,--allow-shlib-undefined \
+    -shared \
+    -Wl,--start-group \
+    -Wl,--out-implib=tests/plugin/libinsn.dll.a \
+    -fstack-protector-strong \
+    -Wl,--no-seh \
+    -Wl,--nxcompat \
+    -Wl,--dynamicbase \
+    -Wl,--high-entropy-va \
+    -Wl,--warn-common \
+    /usr/x86_64-w64-mingw32/sys-root/mingw/lib/libglib-2.0.dll.a \
+    /usr/x86_64-w64-mingw32/sys-root/mingw/lib/libintl.dll.a \
+    /usr/x86_64-w64-mingw32/sys-root/mingw/lib/libgmodule-2.0.dll.a \
+    -lkernel32 -luser32 -lgdi32 -lwinspool -lshell32 -lole32 -loleaut32 -luuid -lcomdlg32 -ladvapi32 \
+    -Wl,--end-group
+```
+
+**Explanation:**
+
+- **Linker Order**: By placing `plugins/qemu_plugin_api.lib` after the object files (`insn.c.obj` and others), you ensure that all symbol references in the objects are resolved before attempting to link against the import library. This allows the linker to correctly resolve the undefined symbols from `qemu_plugin_api.lib`.
+
+- **Build Script**: Ensure your Makefile or build process reflects this order change, particularly when building test plugins and shared libraries.
+
+This adjustment should eliminate the undefined reference errors, allowing the build to complete successfully.
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