Add support for collecting frame information via callbacks.#11
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denravonska wants to merge 2 commits intored-rocket-computing:masterfrom
Open
Add support for collecting frame information via callbacks.#11denravonska wants to merge 2 commits intored-rocket-computing:masterfrom
denravonska wants to merge 2 commits intored-rocket-computing:masterfrom
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In addition to the previous API where the caller provided a buffer and a size, it's now possible to instead proviced a callback and a context. This allows the caller to use their own data structures without having to allocate an additional set of objects to pass to backtrace. The old API is still intact but has internally been rewritten to also use the callback mechanisms. Note that this does increase the stack strain a bit as each frame has to go through the callback. Additionally, this also adds support for traversing a frame provided by the user, with or without callbacks). Closes red-rocket-computing#10
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In addition to the previous API where the caller provided a buffer and a size, it's now possible to instead proviced a callback and a context. This allows the caller to use their own data structures without having to allocate an additional set of objects to pass to backtrace.
The old API is still intact but has internally been rewritten to also use the callback mechanisms. Note that this does increase the stack strain a bit as each frame has to go through the callback.
Additionally, this also adds support for traversing a frame provided by the user, with or without callbacks).
Let me know if it's unclear, needs comments or is outright useless.
Tested on Cortex M33 using
backtrace_unwind_from_frame_cb.Closes #10