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John Baldwin
dcae0f7d7a
Suggested by: kib Reviewed by: kib, andrew (arm changes) Sponsored by: AFRL, DARPA Pull Request: https://ron-dev.freebsd.org/FreeBSD/src/pulls/23
28 lines
615 B
C
28 lines
615 B
C
/*
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* This file is in the public domain.
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*/
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#ifndef _MACHINE_STACK_H_
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#define _MACHINE_STACK_H_
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#include <x86/stack.h>
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#ifdef _SYS_PROC_H_
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/* Get the current kernel thread stack usage. */
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#define GET_STACK_USAGE(total, used) do { \
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struct thread *td = curthread; \
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(total) = ptoa(td->td_kstack_pages); \
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(used) = td_kstack_top(td) - (char *)&td; \
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} while (0)
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static __inline bool
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kstack_contains(struct thread *td, vm_offset_t va, size_t len)
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{
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return (va >= (vm_offset_t)td->td_kstack && va + len >= va &&
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va + len <= (vm_offset_t)td_kstack_top(td));
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}
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#endif /* _SYS_PROC_H_ */
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#endif
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