diff options
Diffstat (limited to 'usr/src/lib/libdtrace/common/dt_program.c')
| -rw-r--r-- | usr/src/lib/libdtrace/common/dt_program.c | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/usr/src/lib/libdtrace/common/dt_program.c b/usr/src/lib/libdtrace/common/dt_program.c index e0d3ada107..d751c4817b 100644 --- a/usr/src/lib/libdtrace/common/dt_program.c +++ b/usr/src/lib/libdtrace/common/dt_program.c @@ -2,9 +2,8 @@ * CDDL HEADER START * * The contents of this file are subject to the terms of the - * Common Development and Distribution License, Version 1.0 only - * (the "License"). You may not use this file except in compliance - * with the License. + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. @@ -50,6 +49,13 @@ dt_program_create(dtrace_hdl_t *dtp) else (void) dt_set_errno(dtp, EDT_NOMEM); + /* + * By default, programs start with DOF version 1 so that output files + * containing DOF are backward compatible. If a program requires new + * DOF features, the version is increased as needed. + */ + pgp->dp_dofversion = DOF_VERSION_1; + return (pgp); } @@ -425,6 +431,10 @@ dt_header_decl(dt_idhash_t *dhp, dt_ident_t *idp, void *data) if (fprintf(infop->dthi_out, ");\n") < 0) return (dt_set_errno(dtp, errno)); + if (fprintf(infop->dthi_out, "extern int " + "__dtraceenabled_%s___%s(void);\n", infop->dthi_pfname, fname) < 0) + return (dt_set_errno(dtp, errno)); + return (0); } @@ -481,6 +491,14 @@ dt_header_probe(dt_idhash_t *dhp, dt_ident_t *idp, void *data) if (fprintf(infop->dthi_out, ")\n") < 0) return (dt_set_errno(dtp, errno)); + if (fprintf(infop->dthi_out, "#define\t%s_%s_ENABLED() \\\n", + infop->dthi_pmname, mname) < 0) + return (dt_set_errno(dtp, errno)); + + if (fprintf(infop->dthi_out, "\t__dtraceenabled_%s___%s()\n", + infop->dthi_pfname, fname) < 0) + return (dt_set_errno(dtp, errno)); + return (0); } |