One way to accomplish this goal in a backward compatible manner is to
have the resource library set a hook function in the
platformResourceDescription passed to it, or equivalently, to have the
library call back into the kernel to register the function.  The
events the library might need is still not clear.  Passing
powerTransientEx and frameResyncEx doesn't sound right since those
events happen during recovery, not prior to the event.  Perhaps a
simple "shutting down" notification is adequate.

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This is a desired feature that should be included in an upcoming release if time allows.  It is being taken off of HOLD for consideration for Kismet, since shutdown hook feature is being included.

Another item noted by Ron is that the PRLs have no way to raise fatal errors.

CCB visited this PCR on 2024-01-23-80895

CCB visited this PCR on 2024-04-04-71881

Committed SVNRevision 94293.  Applies to PCR 11408, PCR 15060, PCR 6638.

- Added support for kernel mode interceptor libraries. To support this several changes where made:
-- Added getLibrarySymbolAddressPPI().
-- All kernel interface functions are now exported as weak symbols.
-- PRLs are now loaded as if they are in the kernel's needed list before the PAL.
-- Kernel execution now halts if loading a PRL fails for any reason other than the PRL library file not being found.
-- PRL registration function symbol lookup now includes all kernel mode libraries.
-- The kernel now provides weak definitions of all DEOSOPTIONALPALPPI functions.
- Added call to optional PAL provided PALshutdown() function.
- Fix various code trace tag errors that where preventing collection of code trace tags from some files.

Committed SVNRevision 94316.  Applies to PCR 11408, PCR 15060, PCR 6638.

Add new libraryStatus values to test libraryStatus2Str() function for kernel 11.4.0

Committed SVNRevision 94532.  Applies to PCR 11408, PCR 15060, PCR 6638.

- Fix PRL initialization function calling bug introduced in SVNRevision 94293
- Resolve some outstanding image code TODOs.

CCB visited this PCR on 2024-08-30-49739

Developer asserts changes are acceptable for 11.4.0

CCB visited this PCR on 2024-12-11-68907

Committed SVNRevision 96950.  Applies to PCR 11408, PCR 15060, PCR 6638.

Enable building of kernel instrumented
variant.  The changes made in SVNRevision 94293 introduced a pattern rule for
all .o files that depended on them being C++ files.  Some were assembly so
some extra logic was required.

I verified the binaries generated with the previous and updated code/makefile.mk
were identical.

CCB visited this PCR on 2025-03-27-57605

Developer asserts updates are acceptable for release 11.5.1.