ktrapframe - NetBSD

181

#define FRAMELEN roundup(sizeof(struct ktrapframe), CALLFRAMELEN)

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#define ktrapframe(l) ((struct ktrapframe *)(uvm_lwp_getuarea(l) + USPACE - CALLFRAMELEN - FRAMELEN))

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#define trapframe(l) (&(ktrapframe(l)->ktf_tf))

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&((struct ktrapframe *)frame)->ktf_tf;

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struct ktrapframe * const ktf = ktrapframe(l2);