dev/dtrace/fbt.c

26 /* #pragma ident	"@(#)fbt.c	1.18	07/01/10 SMI" */
49 #include <sys/fbt.h>
77 	fbt_probe_t *fbt = parg, *next, *hash, *last;
84 		ndx = FBT_ADDR2NDX(fbt->fbtp_patchpoint);
88 		while (hash != fbt) {
95 			last->fbtp_hashnext = fbt->fbtp_hashnext;
97 			fbt_probetab[ndx] = fbt->fbtp_hashnext;
100 		next = fbt->fbtp_next;
101 		kmem_free(fbt, sizeof (fbt_probe_t));
103 		fbt = next;
104 	} while (fbt != NULL);
112 	fbt_probe_t *fbt = parg;
115     for (; fbt != NULL; fbt = fbt->fbtp_next) {
117 	ctl = fbt->fbtp_ctl;
121 			cmn_err(CE_NOTE, "fbt is failing for probe %s "
123 			    fbt->fbtp_name, ctl->mod_modname);
134 	if (ctl->mod_loadcnt != fbt->fbtp_loadcnt) {
136 			cmn_err(CE_NOTE, "fbt is failing for probe %s "
138 			    fbt->fbtp_name, ctl->mod_modname);
149 			    fbt->fbtp_name, ctl->mod_modname);
154 	if (fbt->fbtp_currentval != fbt->fbtp_patchval) {
155 		(void)ml_nofault_copy( (vm_offset_t)&fbt->fbtp_patchval, (vm_offset_t)fbt->fbtp_patchpoint,
156 								sizeof(fbt->fbtp_patchval));
157                 fbt->fbtp_currentval = fbt->fbtp_patchval;
173 	fbt_probe_t *fbt = parg;
176 	for (; fbt != NULL; fbt = fbt->fbtp_next) {
177 	    ctl = fbt->fbtp_ctl;
179 	    if (!ctl->mod_loaded || (ctl->mod_loadcnt != fbt->fbtp_loadcnt))
182 	    if (fbt->fbtp_currentval != fbt->fbtp_savedval) {
183 		(void)ml_nofault_copy( (vm_offset_t)&fbt->fbtp_savedval, (vm_offset_t)fbt->fbtp_patchpoint,
184 								sizeof(fbt->fbtp_savedval));
185 		fbt->fbtp_currentval = fbt->fbtp_savedval;
198 	fbt_probe_t *fbt = parg;
201 	for (; fbt != NULL; fbt = fbt->fbtp_next) {
202 	    ctl = fbt->fbtp_ctl;
205 	    if (!ctl->mod_loaded || (ctl->mod_loadcnt != fbt->fbtp_loadcnt))
208 	    (void)ml_nofault_copy( (vm_offset_t)&fbt->fbtp_savedval, (vm_offset_t)fbt->fbtp_patchpoint,
209 								sizeof(fbt->fbtp_savedval));
210 	    fbt->fbtp_currentval = fbt->fbtp_savedval;
221 	fbt_probe_t *fbt = parg;
224 	for (; fbt != NULL; fbt = fbt->fbtp_next) {
225 	    ctl = fbt->fbtp_ctl;
228 	    if (!ctl->mod_loaded || (ctl->mod_loadcnt != fbt->fbtp_loadcnt))
236 			    fbt->fbtp_name, ctl->mod_modname);
241 	    (void)ml_nofault_copy( (vm_offset_t)&fbt->fbtp_patchval, (vm_offset_t)fbt->fbtp_patchpoint,
242 								sizeof(fbt->fbtp_patchval));
243   	    fbt->fbtp_currentval = fbt->fbtp_patchval;
254 	fbt_probe_t *fbt = parg;
255 	struct modctl *ctl = fbt->fbtp_ctl;
264 	if (!ctl->mod_loaded || (ctl->mod_loadcnt != fbt->fbtp_loadcnt))
267 	if (fbt->fbtp_roffset != 0 && desc->dtargd_ndx == 0) {
314 	if (ctf_func_info(fp, fbt->fbtp_symndx, &f) == CTF_ERR)
317 	if (fbt->fbtp_roffset != 0) {
327 		if (ctf_func_args(fp, fbt->fbtp_symndx, argc, argv) == CTF_ERR)
403 	if (ddi_create_minor_node(devi, "fbt", S_IFCHR, 0,
405 	    dtrace_register("fbt", &fbt_attr, DTRACE_PRIV_KERNEL, NULL,
411 	if (ddi_create_minor_node(devi, "fbt", S_IFCHR, 0,
413 	    dtrace_register("fbt", &fbt_attr, DTRACE_PRIV_KERNEL, NULL,