RTEMS | libmisc/stackchk: Add stack smashing protection (!277)

Tue May 27 14:36:27 UTC 2025

Lucian Silistru commented: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/277#note_122901

A small question. Could https://www.cygwin.org/git/?p=newlib-cygwin.git;a=blob_plain;f=newlib/libc/ssp/stack_protector.c not be reused/improved? It already has some __rtems__ code. Could use some rtems_* errors, exits and output.

PS: -fstack-protector-* (with newlib stack_protector object) also adds to TLS size and breaks some stack size tests.

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View it on GitLab: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/277#note_122901
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