CVS commit: src

["Taylor R Campbell" <riastradh%netbsd.org@localhost>]

Module Name:    src
Committed By:   riastradh
Date:           Sun Apr 20 22:32:25 UTC 2025

Modified Files:
        src/sys/arch/mips/include: mips_param.h
        src/tests/kernel: Makefile t_signal_and_sp.c
Added Files:
        src/tests/kernel/arch/mips: execsp.S signalsphandler.S stack_pointer.h

Log Message:
t_signal_and_sp: Add mips support.

PR kern/59327: user stack pointer is not aligned properly

PR kern/58149: Cannot return from a signal handler if SP was
misaligned when the signal arrived

Stack pointer misaligment in some cases hypothesized to be a possible
cause of:

PR port-evbmips/59236: Multiple segfaults in erlite3 boot


To generate a diff of this commit:
cvs rdiff -u -r1.52 -r1.53 src/sys/arch/mips/include/mips_param.h
cvs rdiff -u -r1.88 -r1.89 src/tests/kernel/Makefile
cvs rdiff -u -r1.4 -r1.5 src/tests/kernel/t_signal_and_sp.c
cvs rdiff -u -r0 -r1.1 src/tests/kernel/arch/mips/execsp.S \
    src/tests/kernel/arch/mips/signalsphandler.S \
    src/tests/kernel/arch/mips/stack_pointer.h

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.