Date: Tue, 31 Mar 2026 15:58:57 +0000 From: Mark Johnston <markj@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: 00412df3265e - stable/15 - dtrace: Implement ustackdepth for arm64 Message-ID: <69cbef41.39f40.7992d75f@gitrepo.freebsd.org>
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The branch stable/15 has been updated by markj: URL: https://cgit.FreeBSD.org/src/commit/?id=00412df3265ecaf52482b46883fe7cf74c8de22f commit 00412df3265ecaf52482b46883fe7cf74c8de22f Author: Mark Johnston <markj@FreeBSD.org> AuthorDate: 2026-02-17 17:37:42 +0000 Commit: Mark Johnston <markj@FreeBSD.org> CommitDate: 2026-03-31 15:57:28 +0000 dtrace: Implement ustackdepth for arm64 MFC after: 2 weeks Differential Revision: https://reviews.freebsd.org/D52475 (cherry picked from commit afd64316c869eb00dde4d6b4af61bca0cb2197f1) --- sys/cddl/dev/dtrace/aarch64/dtrace_isa.c | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) diff --git a/sys/cddl/dev/dtrace/aarch64/dtrace_isa.c b/sys/cddl/dev/dtrace/aarch64/dtrace_isa.c index ff0e068006bd..037d4734659e 100644 --- a/sys/cddl/dev/dtrace/aarch64/dtrace_isa.c +++ b/sys/cddl/dev/dtrace/aarch64/dtrace_isa.c @@ -228,10 +228,22 @@ zero: int dtrace_getustackdepth(void) { + proc_t *p = curproc; + struct trapframe *tf; + uintptr_t pc, fp; + int n = 0; - printf("IMPLEMENT ME: %s\n", __func__); + if (p == NULL || (tf = curthread->td_frame) == NULL) + return (0); + + if (DTRACE_CPUFLAG_ISSET(CPU_DTRACE_FAULT)) + return (-1); + + pc = tf->tf_elr; + fp = tf->tf_x[29]; + n += dtrace_getustack_common(NULL, 0, pc, fp); - return (0); + return (n); } voidhome | help
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