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2a709f28fa
* 0day explit mitigation * Memory corruption prevention * Privilege escalation prevention * Buffer over flow prevention * File System corruption defense * Thread escape prevention This may very well be the most intensive inclusion to BrooklynR. This will not be part of an x86 suite nor it will be released as tool kit. The security core toolkit will remain part of kernel base.
38 lines
793 B
C
38 lines
793 B
C
/**
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* lib/minmax.c: windowed min/max tracker by Kathleen Nichols.
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*
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*/
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#ifndef MINMAX_H
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#define MINMAX_H
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#include <linux/types.h>
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/* A single data point for our parameterized min-max tracker */
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struct minmax_sample {
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u32 t; /* time measurement was taken */
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u32 v; /* value measured */
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};
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/* State for the parameterized min-max tracker */
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struct minmax {
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struct minmax_sample s[3];
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};
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static inline u32 minmax_get(const struct minmax *m)
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{
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return m->s[0].v;
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}
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static inline u32 minmax_reset(struct minmax *m, u32 t, u32 meas)
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{
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struct minmax_sample val = { .t = t, .v = meas };
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m->s[2] = m->s[1] = m->s[0] = val;
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return m->s[0].v;
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}
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u32 minmax_running_max(struct minmax *m, u32 win, u32 t, u32 meas);
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u32 minmax_running_min(struct minmax *m, u32 win, u32 t, u32 meas);
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#endif
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