Date: Wed, 2 Oct 2013 20:40:21 +0000 (UTC) From: Nathan Whitehorn <nwhitehorn@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r256007 - head/sys/powerpc/include Message-ID: <201310022040.r92KeLNj020798@svn.freebsd.org>
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Author: nwhitehorn Date: Wed Oct 2 20:40:21 2013 New Revision: 256007 URL: http://svnweb.freebsd.org/changeset/base/256007 Log: Implement GET_STACK_USAGE() on PowerPC. This implementation is identical to that on x86 and sparc64. Approved by: re (kib) Modified: head/sys/powerpc/include/proc.h Modified: head/sys/powerpc/include/proc.h ============================================================================== --- head/sys/powerpc/include/proc.h Wed Oct 2 19:23:02 2013 (r256006) +++ head/sys/powerpc/include/proc.h Wed Oct 2 20:40:21 2013 (r256007) @@ -54,6 +54,18 @@ struct mdproc { #endif #ifdef _KERNEL + +#include <machine/pcb.h> + +/* Get the current kernel thread stack usage. */ +#define GET_STACK_USAGE(total, used) do { \ + struct thread *td = curthread; \ + (total) = td->td_kstack_pages * PAGE_SIZE - sizeof(struct pcb); \ + (used) = (char *)td->td_kstack + \ + td->td_kstack_pages * PAGE_SIZE - \ + (char *)&td; \ +} while (0) + struct syscall_args { u_int code; struct sysent *callp;
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