A Python-based utility that helps users to retrieve and analyse core dumps. This tool provides two commands for core dumps analysis:
info_corefile - prints crashed task’s registers, callstack, list of available tasks in the system, memory regions and contents of memory stored in core dump (TCBs and stacks)
dbg_corefile - creates core dump ELF file and runs GDB debug session with this file. User can examine memory, variables and tasks states manually. Note that since not all memory is saved in core dump only values of variables allocated on stack will be meaningful
esp-coredump is a standalone utility integrated into ESP-IDF. It is recommended to run esp-coredump from within ESP-IDF environment due to the ease of setup.
To install the ESP-IDF framework please visit the documentation.
Standalone Installation (without ESP-IDF)If you're attempting to run esp-coredump outside of the ESP-IDF environment, you'll need to install esp-gdb. The most recent version can be downloaded from the GitHub releases page. To determine the appropriate version for your environment, refer to the ESP-IDF documentation. Note that toolchain versions may vary between ESP-IDF versions. To get the correct version for your needs, select your version of ESP-IDF in the top left corner. Ensure you download the correct version that matches the architecture of your ESP32. After downloading the toolchain, verify that it's accessible in your system's PATH.
esp-coredump can be used as a CLI tool as well as a separate package. Before executing any examples, ensure that all requirements outlined in the Installation section have been met. If you decide to use ESP-IDF, all commands should be run from within the ESP-IDF environment.
Build test_apps for a target, flash and get a base64 text (test_apps folder)
from esp_coredump import CoreDump # Instantiate the coredump object coredump = CoreDump(chip='esp32', core="./tests/esp32/coredump.b64", print_mem=True, core_format='b64', prog='./test_apps/build/test_core_dump.elf') coredump.info_corefile() # print the info of the test app corefile coredump.dbg_corefile() # run GDB debug session with provided ELF file
Visit the documentation or run esp-coredump -h.
Please follow these coding standards when writing code for esp-coredump:
pre-commit is a framework for managing pre-commit hooks. These hooks help to identify simple issues before committing code for review.
To use the tool, first install pre-commit. Then enable the pre-commit and commit-msg git hooks:
python -m pip install pre-commit pre-commit install -t pre-commit -t commit-msg
On the first commit pre-commit will install the hooks, subsequent checks will be significantly faster. If an error is found an appropriate error message will be displayed.
esp-coredump complies with the Conventional Commits standard. Every commit message is checked with Conventional Precommit Linter, ensuring it adheres to the standard.
This document and the attached source code are released as Free Software under Apache Software License Version 2.0.
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