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debug/coredump: add a primitive coredump mechanism

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This adds a very primitive coredump mechanism under subsys/debug
where during fatal error, register and memory content can be
dumped to coredump backend. One such backend utilizing log
module for output is included. Once the coredump log is converted
to a binary file, it can be used with the ELF output file as
inputs to an overly simplified implementation of a GDB server.
This GDB server can be attached via the target remote command of
GDB and will be serving register and memory content. This allows
using GDB to examine stack and memory where the fatal error
occurred.

Signed-off-by: Daniel Leung <daniel.leung@intel.com>
This commit is contained in:
Daniel Leung 2020-08-07 10:47:37 -07:00 • committed by Anas Nashif
commit 49206a86ff
23 changed files with 1692 additions and 0 deletions
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5
subsys/debug/CMakeLists.txt
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@ -14,3 +14,8 @@ zephyr_sources_ifdef(
CONFIG_THREAD_ANALYZER
thread_analyzer.c
)
add_subdirectory_ifdef(
CONFIG_DEBUG_COREDUMP
coredump
)