49 	fbt_probe_t *fbt;  in fbt_invop()  local
52 	fbt = fbt_probetab[FBT_ADDR2NDX(addr)];  in fbt_invop()
54 	for (; fbt != NULL; fbt = fbt->fbtp_hashnext) {  in fbt_invop()
55 		if ((uintptr_t)fbt->fbtp_patchpoint == addr) {  in fbt_invop()
58 			if (fbt->fbtp_roffset == 0) {  in fbt_invop()
59 				dtrace_probe(fbt->fbtp_id, frame->tf_a[0],  in fbt_invop()
63 				dtrace_probe(fbt->fbtp_id, fbt->fbtp_roffset,  in fbt_invop()
68 			return (fbt->fbtp_savedval);  in fbt_invop()
76 fbt_patch_tracepoint(fbt_probe_t *fbt, fbt_patchval_t val)  in fbt_patch_tracepoint()  argument
79 	switch(fbt->fbtp_patchval) {  in fbt_patch_tracepoint()
81 		*(uint16_t *)fbt->fbtp_patchpoint = (uint16_t)val;  in fbt_patch_tracepoint()
85 		*fbt->fbtp_patchpoint = val;  in fbt_patch_tracepoint()
95 	fbt_probe_t *fbt, *retfbt;  in fbt_provide_module_function()  local
145 	fbt = malloc(sizeof (fbt_probe_t), M_FBT, M_WAITOK | M_ZERO);  in fbt_provide_module_function()
146 	fbt->fbtp_name = name;  in fbt_provide_module_function()
147 	fbt->fbtp_id = dtrace_probe_create(fbt_id, modname,  in fbt_provide_module_function()
148 	    name, FBT_ENTRY, FBT_AFRAMES, fbt);  in fbt_provide_module_function()
149 	fbt->fbtp_patchpoint = instr;  in fbt_provide_module_function()
150 	fbt->fbtp_ctl = lf;  in fbt_provide_module_function()
151 	fbt->fbtp_loadcnt = lf->loadcnt;  in fbt_provide_module_function()
152 	fbt->fbtp_savedval = *instr;  in fbt_provide_module_function()
153 	fbt->fbtp_patchval = patchval;  in fbt_provide_module_function()
154 	fbt->fbtp_rval = rval;  in fbt_provide_module_function()
155 	fbt->fbtp_symindx = symindx;  in fbt_provide_module_function()
157 	fbt->fbtp_hashnext = fbt_probetab[FBT_ADDR2NDX(instr)];  in fbt_provide_module_function()
158 	fbt_probetab[FBT_ADDR2NDX(instr)] = fbt;  in fbt_provide_module_function()
186 	fbt = malloc(sizeof (fbt_probe_t), M_FBT, M_WAITOK | M_ZERO);  in fbt_provide_module_function()
187 	fbt->fbtp_name = name;  in fbt_provide_module_function()
189 		fbt->fbtp_id = dtrace_probe_create(fbt_id, modname,  in fbt_provide_module_function()
190 		    name, FBT_RETURN, FBT_AFRAMES, fbt);  in fbt_provide_module_function()
192 		retfbt->fbtp_probenext = fbt;  in fbt_provide_module_function()
193 		fbt->fbtp_id = retfbt->fbtp_id;  in fbt_provide_module_function()
195 	retfbt = fbt;  in fbt_provide_module_function()
197 	fbt->fbtp_patchpoint = instr;  in fbt_provide_module_function()
198 	fbt->fbtp_ctl = lf;  in fbt_provide_module_function()
199 	fbt->fbtp_loadcnt = lf->loadcnt;  in fbt_provide_module_function()
200 	fbt->fbtp_symindx = symindx;  in fbt_provide_module_function()
201 	fbt->fbtp_rval = rval;  in fbt_provide_module_function()
202 	fbt->fbtp_roffset = (uintptr_t)instr - (uintptr_t)symval->value;  in fbt_provide_module_function()
203 	fbt->fbtp_savedval = *instr;  in fbt_provide_module_function()
204 	fbt->fbtp_patchval = patchval;  in fbt_provide_module_function()
205 	fbt->fbtp_hashnext = fbt_probetab[FBT_ADDR2NDX(instr)];  in fbt_provide_module_function()
206 	fbt_probetab[FBT_ADDR2NDX(instr)] = fbt;  in fbt_provide_module_function()