dev/dtrace/fbt.c

26 /* #pragma ident	"@(#)fbt.c	1.18	07/01/10 SMI" */
49 #include <sys/fbt.h>
81 	fbt_probe_t *fbt = parg, *next, *hash, *last;
88 		ndx = FBT_ADDR2NDX(fbt->fbtp_patchpoint);
92 		while (hash != fbt) {
99 			last->fbtp_hashnext = fbt->fbtp_hashnext;
101 			fbt_probetab[ndx] = fbt->fbtp_hashnext;
104 		next = fbt->fbtp_next;
105 		kmem_free(fbt, sizeof (fbt_probe_t));
107 		fbt = next;
108 	} while (fbt != NULL);
116 	fbt_probe_t *fbt = parg;
119     for (; fbt != NULL; fbt = fbt->fbtp_next) {
121 	ctl = fbt->fbtp_ctl;
125 			cmn_err(CE_NOTE, "fbt is failing for probe %s "
127 			    fbt->fbtp_name, ctl->mod_modname);
138 	if (ctl->mod_loadcnt != fbt->fbtp_loadcnt) {
140 			cmn_err(CE_NOTE, "fbt is failing for probe %s "
142 			    fbt->fbtp_name, ctl->mod_modname);
153 			    fbt->fbtp_name, ctl->mod_modname);
158 	if (fbt->fbtp_currentval != fbt->fbtp_patchval) {
159 		(void)ml_nofault_copy( (vm_offset_t)&fbt->fbtp_patchval, (vm_offset_t)fbt->fbtp_patchpoint,
160 								sizeof(fbt->fbtp_patchval));
161                 fbt->fbtp_currentval = fbt->fbtp_patchval;
177 	fbt_probe_t *fbt = parg;
180 	for (; fbt != NULL; fbt = fbt->fbtp_next) {
181 	    ctl = fbt->fbtp_ctl;
183 	    if (!ctl->mod_loaded || (ctl->mod_loadcnt != fbt->fbtp_loadcnt))
186 	    if (fbt->fbtp_currentval != fbt->fbtp_savedval) {
187 		(void)ml_nofault_copy( (vm_offset_t)&fbt->fbtp_savedval, (vm_offset_t)fbt->fbtp_patchpoint,
188 								sizeof(fbt->fbtp_savedval));
189 		fbt->fbtp_currentval = fbt->fbtp_savedval;
202 	fbt_probe_t *fbt = parg;
205 	for (; fbt != NULL; fbt = fbt->fbtp_next) {
206 	    ctl = fbt->fbtp_ctl;
209 	    if (!ctl->mod_loaded || (ctl->mod_loadcnt != fbt->fbtp_loadcnt))
212 	    (void)ml_nofault_copy( (vm_offset_t)&fbt->fbtp_savedval, (vm_offset_t)fbt->fbtp_patchpoint,
213 								sizeof(fbt->fbtp_savedval));
216 	    fbt->fbtp_currentval = fbt->fbtp_savedval;
227 	fbt_probe_t *fbt = parg;
230 	for (; fbt != NULL; fbt = fbt->fbtp_next) {
231 	    ctl = fbt->fbtp_ctl;
234 	    if (!ctl->mod_loaded || (ctl->mod_loadcnt != fbt->fbtp_loadcnt))
242 			    fbt->fbtp_name, ctl->mod_modname);
247 	    (void)ml_nofault_copy( (vm_offset_t)&fbt->fbtp_patchval, (vm_offset_t)fbt->fbtp_patchpoint,
248 								sizeof(fbt->fbtp_patchval));
251   	    fbt->fbtp_currentval = fbt->fbtp_patchval;
265 	fbt_probe_t *fbt = parg;
266 	struct modctl *ctl = fbt->fbtp_ctl;
275 	if (!ctl->mod_loaded || (ctl->mod_loadcnt != fbt->fbtp_loadcnt))
278 	if (fbt->fbtp_roffset != 0 && desc->dtargd_ndx == 0) {
325 	if (ctf_func_info(fp, fbt->fbtp_symndx, &f) == CTF_ERR)
328 	if (fbt->fbtp_roffset != 0) {
338 		if (ctf_func_args(fp, fbt->fbtp_symndx, argc, argv) == CTF_ERR)
409 	if (ddi_create_minor_node(devi, "fbt", S_IFCHR, 0,
411 	    dtrace_register("fbt", &fbt_attr, DTRACE_PRIV_KERNEL, NULL,