13c90d1eaSRobert Watson /* 24db79febSMark Johnston * This file is in the public domain. 33c90d1eaSRobert Watson */ 43c90d1eaSRobert Watson 5*2555f175SKonstantin Belousov #ifndef _MACHINE_STACK_H_ 6*2555f175SKonstantin Belousov #define _MACHINE_STACK_H_ 7*2555f175SKonstantin Belousov 84db79febSMark Johnston #include <x86/stack.h> 9*2555f175SKonstantin Belousov 10*2555f175SKonstantin Belousov #ifdef _SYS_PROC_H_ 11*2555f175SKonstantin Belousov 12*2555f175SKonstantin Belousov /* Get the current kernel thread stack usage. */ 13*2555f175SKonstantin Belousov #define GET_STACK_USAGE(total, used) do { \ 14*2555f175SKonstantin Belousov struct thread *td = curthread; \ 15*2555f175SKonstantin Belousov (total) = td->td_kstack_pages * PAGE_SIZE; \ 16*2555f175SKonstantin Belousov (used) = (char *)td->td_kstack + \ 17*2555f175SKonstantin Belousov td->td_kstack_pages * PAGE_SIZE - \ 18*2555f175SKonstantin Belousov (char *)&td; \ 19*2555f175SKonstantin Belousov } while (0) 20*2555f175SKonstantin Belousov 21*2555f175SKonstantin Belousov static __inline bool kstack_contains(struct thread * td,vm_offset_t va,size_t len)22*2555f175SKonstantin Belousovkstack_contains(struct thread *td, vm_offset_t va, size_t len) 23*2555f175SKonstantin Belousov { 24*2555f175SKonstantin Belousov return (va >= td->td_kstack && va + len >= va && 25*2555f175SKonstantin Belousov va + len <= td->td_kstack + td->td_kstack_pages * PAGE_SIZE); 26*2555f175SKonstantin Belousov } 27*2555f175SKonstantin Belousov #endif /* _SYS_PROC_H_ */ 28*2555f175SKonstantin Belousov 29*2555f175SKonstantin Belousov #endif 30