ARCH_HAS_SINGLE_STEP - Online Linux Manual PageSection : 9
Updated : June 2018
Source : Kernel Hackers Manual 2​.6​.
Note : Kernel Internals

NAMEarch_has_single_step − does this CPU support user−mode single−step?

SYNOPSISarch_has_single_step(void);

ARGUMENTSNone

DESCRIPTIONIf this is defined, then there must be function declarations or inlines for user_enable_single_step and user_disable_single_step​. arch_has_single_step should evaluate to nonzero iff the machine supports instruction single−step for user mode​. It can be a constant or it can test a CPU feature bit​.
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