diff options
Diffstat (limited to 'cddl/contrib/opensolaris/cmd/dtrace/test/cmd/chkargs/chkargs.c')
| -rw-r--r-- | cddl/contrib/opensolaris/cmd/dtrace/test/cmd/chkargs/chkargs.c | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/cddl/contrib/opensolaris/cmd/dtrace/test/cmd/chkargs/chkargs.c b/cddl/contrib/opensolaris/cmd/dtrace/test/cmd/chkargs/chkargs.c new file mode 100644 index 000000000000..a7e0222fd0ea --- /dev/null +++ b/cddl/contrib/opensolaris/cmd/dtrace/test/cmd/chkargs/chkargs.c @@ -0,0 +1,149 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * 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. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright 2009 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#include <strings.h> +#include <unistd.h> +#include <dtrace.h> + +static int g_count; +static int g_errs; +static int g_fd; +static int g_verbose; +static int g_errexit; +static char *g_progname; + +static int +probe(dtrace_hdl_t *dtp, const dtrace_probedesc_t *pdp, void *data) +{ + dtrace_probeinfo_t p; + dtrace_argdesc_t arg; + char buf[BUFSIZ]; + int i; + + (void) printf("\r%6d", ++g_count); + (void) fflush(stdout); + + if (dtrace_probe_info(dtp, pdp, &p) != 0) { + (void) printf(" failed to get probe info for " + "%s:%s:%s:%s [%d]\n", pdp->dtpd_provider, pdp->dtpd_mod, + pdp->dtpd_func, pdp->dtpd_name, pdp->dtpd_id); + g_errs++; + return (0); + } + + for (i = 0; i < p.dtp_argc; i++) { + if (p.dtp_argv[i].dtt_type == CTF_ERR) { + bzero(&arg, sizeof (dtrace_argdesc_t)); + arg.dtargd_id = pdp->dtpd_id; + arg.dtargd_ndx = i; + (void) ioctl(g_fd, DTRACEIOC_PROBEARG, &arg); + + (void) printf(" failed to get types for args[%d] " + "of %s:%s:%s:%s [%d]: <%s> -> <%s>\n", i, + pdp->dtpd_provider, pdp->dtpd_mod, pdp->dtpd_func, + pdp->dtpd_name, pdp->dtpd_id, + arg.dtargd_native, arg.dtargd_xlate); + + g_errs++; + + if (g_errexit) + return (-1); + + } else if (g_verbose) { + (void) printf("%d args[%d] : %s\n", pdp->dtpd_id, i, + ctf_type_name(p.dtp_argv[i].dtt_ctfp, + p.dtp_argv[i].dtt_type, buf, sizeof (buf))); + } + } + + return (0); +} + +int +main(int argc, char *argv[]) +{ + dtrace_probedesc_t pd, *pdp = NULL; + dtrace_hdl_t *dtp; + int err, c; + char *p; + + g_progname = argv[0]; + + if ((dtp = dtrace_open(DTRACE_VERSION, 0, &err)) == NULL) { + (void) fprintf(stderr, "%s: failed to open dtrace: %s\n", + g_progname, dtrace_errmsg(dtp, err)); + return (1); + } + + while ((c = getopt(argc, argv, "evx:")) != -1) { + switch (c) { + case 'e': + g_errexit++; + break; + case 'v': + g_verbose++; + break; + case 'x': + if ((p = strchr(optarg, '=')) != NULL) + *p++ = '\0'; + + if (dtrace_setopt(dtp, optarg, p) != 0) { + (void) fprintf(stderr, "%s: failed to set " + "option -x %s: %s\n", g_progname, optarg, + dtrace_errmsg(dtp, dtrace_errno(dtp))); + return (2); + } + break; + + default: + (void) fprintf(stderr, "Usage: %s [-ev] " + "[-x opt[=arg]] [probedesc]\n", g_progname); + return (2); + } + } + + argv += optind; + argc -= optind; + + if (argc > 0) { + if (dtrace_str2desc(dtp, DTRACE_PROBESPEC_NAME, argv[0], &pd)) { + (void) fprintf(stderr, "%s: invalid probe description " + "%s: %s\n", g_progname, argv[0], + dtrace_errmsg(dtp, dtrace_errno(dtp))); + return (2); + } + pdp = &pd; + } + + g_fd = dtrace_ctlfd(dtp); + (void) dtrace_probe_iter(dtp, pdp, probe, NULL); + dtrace_close(dtp); + + (void) printf("\nTotal probes: %d\n", g_count); + (void) printf("Total errors: %d\n\n", g_errs); + + return (g_errs != 0); +} |