DR 9.0 Windows release missing dbghelp.dll for 32 bit

[Alexey Vishnyakov]

https://github.com/DynamoRIO/dynamorio/releases/download/release_9.0.0/DynamoRIO-Windows-9.0.0.zip

ext\lib32\release

[assad.hashm...@gmail.com]

The following dbghelp.dll files are in the release:

DynamoRIO-Windows-9.0.0/tools/bin64/dbghelp.dll: PE32+ executable (DLL) (console) x86-64, for MS Windows
DynamoRIO-Windows-9.0.0/ext/lib64/release/dbghelp.dll: PE32+ executable (DLL) (console) x86-64, for MS Windows
DynamoRIO-Windows-9.0.0/ext/lib64/debug/dbghelp.dll: PE32+ executable (DLL) (console) x86-64, for MS Windows
DynamoRIO-Windows-9.0.0/drmemory/bin/dbghelp.dll: PE32 executable (DLL) (console) Intel 80386, for MS Windows
DynamoRIO-Windows-9.0.0/drmemory/bin/release/dbghelp.dll: PE32 executable (DLL) (console) Intel 80386, for MS Windows
DynamoRIO-Windows-9.0.0/drmemory/bin/debug/dbghelp.dll: PE32 executable (DLL) (console) Intel 80386, for MS Windows
DynamoRIO-Windows-9.0.0/drmemory/bin64/dbghelp.dll: PE32+ executable (DLL) (console) x86-64, for MS Windows
DynamoRIO-Windows-9.0.0/drmemory/bin64/release/dbghelp.dll: PE32+ executable (DLL) (console) x86-64, for MS Windows
DynamoRIO-Windows-9.0.0/drmemory/bin64/debug/dbghelp.dll: PE32+ executable (DLL) (console) x86-64, for MS Windows

The files marked 'Intel 80386' are 32 bit and in DynamoRIO-Windows-9.0.0/drmemory/bin rather than DynamoRIO-Windows-9.0.0/ext/lib32

Are you experiencing problems because of their location?

On Monday, January 10, 2022 at 2:13:16 PM UTC pmvi...@gmail.com wrote:

https://github.com/DynamoRIO/dynamorio/releases/download/release_9.0.0/DynamoRIO-Windows-9.0.0.zip

ext\lib32\release

[pmvi...@gmail.com]

The lack of ext/lib32 dbghelp.dll version causes a crash of custom DR client using drsyms on some Windows 10 versions.

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[Derek Bruening]

DR makes a copy of the dbghelp.dll as a convenience since system-provided versions historically were old or inadequate in other ways.  It sounds like the CMake code that tries to find the library to copy for 32-bit is failing.  If you go to the Actions for the 9.0 release https://github.com/DynamoRIO/dynamorio/runs/4586665382 and search for dbghelp.dll you can see it's found by DR 64-bit, DrMem 32-bit an 64-bit, but not DR 32-bit.  Unfortunately the same is true for the VS2019 builds just added, which will soon be the default.

I would suggest filing an issue on this and if you could adjust the CMake code to check more paths to find the 32-bit version and submit a pull request that would be the best way forward.

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