tree a7d302b3f379826d73fb0d2dac2d493752d551e3
parent df2b8a4b6e7b1b24cc48ad80c42d55da5379273e
author Ben Vanik <ben.vanik@gmail.com> 1730400105 -0700
committer GitHub <noreply@github.com> 1730400105 -0700
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Adding a HAL module debug sink interface. (#18966)

HAL module creators can now pass in a debug sink that injects callbacks
that can be made by the HAL module on request from programs or by the
HAL module itself. Today it just has a buffer view trace callback but in
the future we could use this to report profiling information or
asynchronous errors.

A default `iree_hal_module_debug_sink_stdio(file)` is provided that
preserves the current behavior of writing trace buffers to stderr (when
HAL string utils are enabled). `iree_hal_module_debug_sink_null()` can
be used to ensure no string handling code is compiled in if a caller
doesn't want it. Callers can also implement whatever behavior they want.