Replace EnumerateModulesInAssembly with combined GetModuleForAssembly; implement in cDAC#128294
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Pull request overview
This PR refactors the DAC/DBI module-per-assembly query by folding the “is loaded” check into IDacDbiInterface::GetModuleForAssembly, removing the now-dead EnumerateModulesInAssembly callback API, and implementing the updated APIs in the cDAC (Microsoft.Diagnostics.DataContractReader.Legacy) along with updating dump-based tests.
Changes:
- Extends
GetModuleForAssemblyto optionally return an “is module loaded” flag and removesEnumerateModulesInAssemblyfrom the DAC/DBI contract. - Updates right-side (RS) codepaths that prepopulate/enumerate modules to use the combined API.
- Implements the updated interface in cDAC and updates dump tests to validate the new signature/behavior.
Show a summary per file
| File | Description |
|---|---|
| src/native/managed/cdac/tests/DumpTests/DacDbi/DacDbiLoaderDumpTests.cs | Updates dump tests to call the new GetModuleForAssembly signature and validate the loaded flag on success. |
| src/native/managed/cdac/Microsoft.Diagnostics.DataContractReader.Legacy/Dbi/IDacDbiInterface.cs | Updates the managed COM projection to match the new vtable shape and removes the module-enumeration entry. |
| src/native/managed/cdac/Microsoft.Diagnostics.DataContractReader.Legacy/Dbi/DacDbiImpl.cs | Implements the new GetModuleForAssembly (with loaded flag) and implements GetAssemblyFromModule in cDAC; removes legacy fallback for module enumeration. |
| src/coreclr/inc/dacdbi.idl | Updates the IDL contract: changes GetModuleForAssembly signature and removes EnumerateModulesInAssembly / its callback typedef. |
| src/coreclr/debug/inc/dacdbiinterface.h | Updates the native interface definition and removes the module enumeration API documentation/signature. |
| src/coreclr/debug/di/rspriv.h | Removes the RS module-enumeration callback declaration. |
| src/coreclr/debug/di/rsappdomain.cpp | Switches prepopulation logic to call GetModuleForAssembly and gate cache population on the loaded flag. |
| src/coreclr/debug/di/process.cpp | Rewrites shim module enumeration to use the combined GetModuleForAssembly + loaded flag logic. |
| src/coreclr/debug/daccess/dacdbiimpl.h | Updates the DAC implementation class declaration to the new GetModuleForAssembly signature and removes module enumeration. |
| src/coreclr/debug/daccess/dacdbiimpl.cpp | Implements the updated GetModuleForAssembly signature and removes the module enumeration implementation. |
Copilot's findings
- Files reviewed: 10/10 changed files
- Comments generated: 3
Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>
Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>
Co-authored-by: rcj1 <77995559+rcj1@users.noreply.github.com>
max-charlamb
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May 28, 2026
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Seems good to me, we may want a review from
@noahfalk for the dbi changes
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