Date: Sat, 9 Feb 2008 21:26:10 GMT From: John Birrell <jb@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 135121 for review Message-ID: <200802092126.m19LQA9r097435@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=135121 Change 135121 by jb@jb_freebsd1 on 2008/02/09 21:25:41 Change a comment to reflect the fact that the Statically Defined Tracing (sdt) implementation for FreeBSD doesn't use breakpoints. Affected files ... .. //depot/projects/dtrace/src/sys/amd64/amd64/exception.S#9 edit Differences ... ==== //depot/projects/dtrace/src/sys/amd64/amd64/exception.S#9 (text+ko) ==== @@ -188,10 +188,10 @@ FAKE_MCOUNT(TF_RIP(%rsp)) #ifdef KDTRACE_HOOKS /* - * DTrace Function Boundary Trace (fbt) and Statically Defined - * Trace (sdt) probes are triggered by int3 (0xcc) which causes - * the #BP (T_BPTFLT) breakpoint interrupt. For all other trap - * types, just handle them in the usual way. + * DTrace Function Boundary Trace (fbt) probes are triggered + * by int3 (0xcc) which causes the #BP (T_BPTFLT) breakpoint + * interrupt. For all other trap types, just handle them in + * the usual way. */ cmpq $T_BPTFLT,TF_TRAPNO(%rsp) jne calltrap
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