1 // SPDX-License-Identifier: (BSD-2-Clause AND BSD-3-Clause)
34  *-
115 static uint32_t _gprof_file_id; /* File id returned by tee-supplicant */
123 	return pc - (unsigned long)__text_start + sizeof(struct ta_head);  in adjust_pc()
130 	struct gmonparam *p = &_gmonparam;  in __utee_gprof_init()  local
145 	p->lowpc = ROUNDDOWN(lowpc, HISTFRACTION * sizeof(HISTCOUNTER));  in __utee_gprof_init()
146 	p->highpc = ROUNDUP(highpc, HISTFRACTION * sizeof(HISTCOUNTER));  in __utee_gprof_init()
147 	p->textsize = p->highpc - p->lowpc;  in __utee_gprof_init()
148 	p->kcountsize = ROUNDUP(p->textsize / HISTFRACTION, sizeof(*p->froms));  in __utee_gprof_init()
149 	p->hashfraction = HASHFRACTION;  in __utee_gprof_init()
150 	p->log_hashfraction = -1;  in __utee_gprof_init()
155 	if ((HASHFRACTION & (HASHFRACTION - 1)) == 0) {  in __utee_gprof_init()
160 		p->log_hashfraction = __builtin_ffs(p->hashfraction *  in __utee_gprof_init()
161 						    sizeof(*p->froms)) - 1;  in __utee_gprof_init()
163 	p->fromssize = p->textsize / HASHFRACTION;  in __utee_gprof_init()
164 	p->tolimit = p->textsize * ARCDENSITY / 100;  in __utee_gprof_init()
165 	if (p->tolimit < MINARCS)  in __utee_gprof_init()
166 		p->tolimit = MINARCS;  in __utee_gprof_init()
167 	else if (p->tolimit > MAXARCS)  in __utee_gprof_init()
168 		p->tolimit = MAXARCS;  in __utee_gprof_init()
169 	p->tossize = p->tolimit * sizeof(struct tostruct);  in __utee_gprof_init()
171 	bufsize = p->kcountsize + p->fromssize + p->tossize;  in __utee_gprof_init()
175 	     __text_end - __text_start, bufsize);  in __utee_gprof_init()
180 		p->tos = NULL;  in __utee_gprof_init()
181 		p->state = GMON_PROF_ERROR;  in __utee_gprof_init()
185 	p->tos = (struct tostruct *)cp;  in __utee_gprof_init()
186 	cp += p->tossize;  in __utee_gprof_init()
187 	p->kcount = (HISTCOUNTER *)cp;  in __utee_gprof_init()
188 	cp += p->kcountsize;  in __utee_gprof_init()
189 	p->froms = (ARCINDEX *)cp;  in __utee_gprof_init()
191 	p->tos[0].link = 0;  in __utee_gprof_init()
193 	if (p->kcountsize < p->textsize)  in __utee_gprof_init()
194 		_gprof_s_scale = ((float)p->kcountsize / p->textsize) *  in __utee_gprof_init()
199 	res = __pta_gprof_pc_sampling_start(p->kcount, p->kcountsize,  in __utee_gprof_init()
200 					    p->lowpc +  in __utee_gprof_init()
201 					    ((unsigned long)__text_start -  in __utee_gprof_init()
207 	p->state = GMON_PROF_ON;  in __utee_gprof_init()
335 	struct gmonparam *p;  in __mcount_internal()  local
339 	p = &_gmonparam;  in __mcount_internal()
344 	if (p->state != GMON_PROF_ON)  in __mcount_internal()
346 	p->state = GMON_PROF_BUSY;  in __mcount_internal()
352 	frompc -= p->lowpc;  in __mcount_internal()
353 	if (frompc > p->textsize)  in __mcount_internal()
357 	if ((HASHFRACTION & (HASHFRACTION - 1)) == 0) {  in __mcount_internal()
359 		i = frompc >> p->log_hashfraction;  in __mcount_internal()
361 		i = frompc / (p->hashfraction * sizeof(*p->froms));  in __mcount_internal()
363 	frompcindex = &p->froms[i];  in __mcount_internal()
367 		toindex = ++p->tos[0].link;  in __mcount_internal()
368 		if (toindex >= p->tolimit) {  in __mcount_internal()
374 		top = &p->tos[toindex];  in __mcount_internal()
375 		top->selfpc = selfpc;  in __mcount_internal()
376 		top->count = 1;  in __mcount_internal()
377 		top->link = 0;  in __mcount_internal()
380 	top = &p->tos[toindex];  in __mcount_internal()
381 	if (top->selfpc == selfpc) {  in __mcount_internal()
383 		top->count++;  in __mcount_internal()
393 		if (top->link == 0) {  in __mcount_internal()
396 			 * had top->selfpc == selfpc.  in __mcount_internal()
400 			toindex = ++p->tos[0].link;  in __mcount_internal()
401 			if (toindex >= p->tolimit)  in __mcount_internal()
404 			top = &p->tos[toindex];  in __mcount_internal()
405 			top->selfpc = selfpc;  in __mcount_internal()
406 			top->count = 1;  in __mcount_internal()
407 			top->link = *frompcindex;  in __mcount_internal()
415 		top = &p->tos[top->link];  in __mcount_internal()
416 		if (top->selfpc == selfpc) {  in __mcount_internal()
421 			top->count++;  in __mcount_internal()
422 			toindex = prevtop->link;  in __mcount_internal()
423 			prevtop->link = top->link;  in __mcount_internal()
424 			top->link = *frompcindex;  in __mcount_internal()
430 	p->state = GMON_PROF_ON;  in __mcount_internal()
433 	p->state = GMON_PROF_ERROR;  in __mcount_internal()