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Catching stack overflow with the MPU

You want a stack overflow on a Cortex-M4 to fault at once instead of silently corrupting the variables below the stack. What is a common technique?

A.Declare the stack array as const in the linker scriptB.Place the stack in flash instead of in SRAMC.Put a small no-access MPU region at the stack's endD.Turn off the instruction cache during start-up

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Catching stack overflow with the MPU

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