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[sim] Output more error details on extension load failure (#2680)

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This commit is contained in:
Peter Johnson
2020-09-02 20:07:03 -07:00
committed by GitHub
parent f758af826d
commit 9453d67273
1 changed files with 6 additions and 2 deletions
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8
hal/src/main/native/sim/Extensions.cpp
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@@ -26,6 +26,7 @@
#define DLOPEN(a) LoadLibraryA(a)
#define DLSYM GetProcAddress
#define DLCLOSE FreeLibrary
#define DLERROR "error #" << GetLastError()
#else
#define DELIM ':'
#define HTYPE void*
@@ -33,6 +34,7 @@
#define DLOPEN(a) dlopen(a, RTLD_LAZY)
#define DLSYM dlsym
#define DLCLOSE dlclose
#define DLERROR dlerror()
#endif
namespace hal {
@@ -63,14 +65,16 @@ int HAL_LoadOneExtension(const char* library) {
#else
libraryName += ".so";
#endif
wpi::outs() << "HAL Extensions: Trying modified name: "
wpi::outs() << "HAL Extensions: Load failed: " << DLERROR
<< "\nTrying modified name: "
<< wpi::sys::path::stem(libraryName) << "\n";
wpi::outs().flush();
handle = DLOPEN(libraryName.c_str());
}
#endif
if (!handle) {
wpi::outs() << "HAL Extensions: Failed to load library\n";
wpi::outs() << "HAL Extensions: Failed to load library: " << DLERROR
<< '\n';
wpi::outs().flush();
return rc;
}