12 #include "map.h"
105 static void map__init(struct map *map, u64 start, u64 end, u64 pgoff,  in map__init()  argument
108 	map__set_start(map, start);  in map__init()
109 	map__set_end(map, end);  in map__init()
110 	map__set_pgoff(map, pgoff);  in map__init()
111 	assert(map__reloc(map) == 0);  in map__init()
112 	map__set_dso(map, dso__get(dso));  in map__init()
113 	refcount_set(map__refcnt(map), 1);  in map__init()
114 	RC_CHK_ACCESS(map)->prot = prot;  in map__init()
115 	RC_CHK_ACCESS(map)->flags = flags;  in map__init()
116 	map__set_mapping_type(map, MAPPING_TYPE__DSO);  in map__init()
117 	assert(map__erange_warned(map) == false);  in map__init()
118 	assert(map__priv(map) == false);  in map__init()
119 	assert(map__hit(map) == false);  in map__init()
122 struct map *map__new(struct machine *machine, u64 start, u64 len,  in map__new()
127 	struct map *result;  in map__new()
128 	RC_STRUCT(map) *map;  in map__new()
132 	map = zalloc(sizeof(*map));  in map__new()
133 	if (ADD_RC_CHK(result, map)) {  in map__new()
146 				 "/tmp/perf-%d.map", nsinfo__pid(nsi));  in map__new()
178 			map->mapping_type = MAPPING_TYPE__IDENTITY;  in map__new()
222 struct map *map__new2(u64 start, struct dso *dso)  in map__new2()
224 	struct map *result;  in map__new2()
225 	RC_STRUCT(map) *map;  in map__new2()
227 	map = calloc(1, sizeof(*map) + (dso__kernel(dso) ? sizeof(struct kmap) : 0));  in map__new2()
228 	if (ADD_RC_CHK(result, map)) {  in map__new2()
236 bool __map__is_kernel(const struct map *map)  in __map__is_kernel()  argument
238 	if (!dso__kernel(map__dso(map)))  in __map__is_kernel()
240 	return machine__kernel_map(maps__machine(map__kmaps((struct map *)map))) == map;  in __map__is_kernel()
243 bool __map__is_extra_kernel_map(const struct map *map)  in __map__is_extra_kernel_map()  argument
245 	struct kmap *kmap = __map__kmap((struct map *)map);  in __map__is_extra_kernel_map()
250 bool __map__is_bpf_prog(const struct map *map)  in __map__is_bpf_prog()  argument
253 	struct dso *dso = map__dso(map);  in __map__is_bpf_prog()
267 bool __map__is_bpf_image(const struct map *map)  in __map__is_bpf_image()  argument
270 	struct dso *dso = map__dso(map);  in __map__is_bpf_image()
284 bool __map__is_ool(const struct map *map)  in __map__is_ool()  argument
286 	const struct dso *dso = map__dso(map);  in __map__is_ool()
291 bool map__has_symbols(const struct map *map)  in map__has_symbols()  argument
293 	return dso__has_symbols(map__dso(map));  in map__has_symbols()
296 static void map__exit(struct map *map)  in map__exit()  argument
298 	BUG_ON(refcount_read(map__refcnt(map)) != 0);  in map__exit()
299 	dso__zput(RC_CHK_ACCESS(map)->dso);  in map__exit()
302 void map__delete(struct map *map)  in map__delete()  argument
304 	map__exit(map);  in map__delete()
305 	RC_CHK_FREE(map);  in map__delete()
308 void map__put(struct map *map)  in map__put()  argument
310 	if (map && refcount_dec_and_test(map__refcnt(map)))  in map__put()
311 		map__delete(map);  in map__put()
313 		RC_CHK_PUT(map);  in map__put()
316 void map__fixup_start(struct map *map)  in map__fixup_start()  argument
318 	struct dso *dso = map__dso(map);  in map__fixup_start()
325 		map__set_start(map, sym->start);  in map__fixup_start()
329 void map__fixup_end(struct map *map)  in map__fixup_end()  argument
331 	struct dso *dso = map__dso(map);  in map__fixup_end()
337 		map__set_end(map, sym->end);  in map__fixup_end()
343 int map__load(struct map *map)  in map__load()  argument
345 	struct dso *dso = map__dso(map);  in map__load()
352 	nr = dso__load(dso, map);  in map__load()
384 struct symbol *map__find_symbol(struct map *map, u64 addr)  in map__find_symbol()  argument
386 	if (map__load(map) < 0)  in map__find_symbol()
389 	return dso__find_symbol(map__dso(map), addr);  in map__find_symbol()
392 struct symbol *map__find_symbol_by_name_idx(struct map *map, const char *name, size_t *idx)  in map__find_symbol_by_name_idx()  argument
396 	if (map__load(map) < 0)  in map__find_symbol_by_name_idx()
399 	dso = map__dso(map);  in map__find_symbol_by_name_idx()
405 struct symbol *map__find_symbol_by_name(struct map *map, const char *name)  in map__find_symbol_by_name()  argument
409 	return map__find_symbol_by_name_idx(map, name, &idx);  in map__find_symbol_by_name()
412 struct map *map__clone(struct map *from)  in map__clone()
414 	struct map *result;  in map__clone()
415 	RC_STRUCT(map) *map;  in map__clone()
416 	size_t size = sizeof(RC_STRUCT(map));  in map__clone()
422 	map = memdup(RC_CHK_ACCESS(from), size);  in map__clone()
423 	if (ADD_RC_CHK(result, map)) {  in map__clone()
424 		refcount_set(&map->refcnt, 1);  in map__clone()
425 		map->dso = dso__get(dso);  in map__clone()
431 size_t map__fprintf(struct map *map, FILE *fp)  in map__fprintf()  argument
433 	const struct dso *dso = map__dso(map);  in map__fprintf()
436 		       map__start(map), map__end(map), map__pgoff(map), dso__name(dso));  in map__fprintf()
446 static size_t __map__fprintf_dsoname(struct map *map, bool print_off, FILE *fp)  in __map__fprintf_dsoname()  argument
450 	const struct dso *dso = map ? map__dso(map) : NULL;  in __map__fprintf_dsoname()
467 size_t map__fprintf_dsoname(struct map *map, FILE *fp)  in map__fprintf_dsoname()  argument
469 	return __map__fprintf_dsoname(map, false, fp);  in map__fprintf_dsoname()
472 size_t map__fprintf_dsoname_dsoff(struct map *map, bool print_off, u64 addr, FILE *fp)  in map__fprintf_dsoname_dsoff()  argument
474 	const struct dso *dso = map ? map__dso(map) : NULL;  in map__fprintf_dsoname_dsoff()
480 	printed += __map__fprintf_dsoname(map, print_off, fp);  in map__fprintf_dsoname_dsoff()
488 char *map__srcline(struct map *map, u64 addr, struct symbol *sym)  in map__srcline()  argument
490 	if (map == NULL)  in map__srcline()
493 	return get_srcline(map__dso(map), map__rip_2objdump(map, addr), sym, true, true, addr);  in map__srcline()
496 int map__fprintf_srcline(struct map *map, u64 addr, const char *prefix,  in map__fprintf_srcline()  argument
499 	const struct dso *dso = map ? map__dso(map) : NULL;  in map__fprintf_srcline()
503 		char *srcline = map__srcline(map, addr, NULL);  in map__fprintf_srcline()
519  * @map: memory map
523  * map->dso->adjust_symbols==1 for ET_EXEC-like cases except ET_REL which is
528 u64 map__rip_2objdump(struct map *map, u64 rip)  in map__rip_2objdump()  argument
530 	struct kmap *kmap = __map__kmap(map);  in map__rip_2objdump()
531 	const struct dso *dso = map__dso(map);  in map__rip_2objdump()
536 	 * main kernel map, so just use that instead.  in map__rip_2objdump()
542 			struct map *kernel_map = machine__kernel_map(machine);  in map__rip_2objdump()
545 				map = kernel_map;  in map__rip_2objdump()
553 		return rip - map__pgoff(map);  in map__rip_2objdump()
558 	return map__unmap_ip(map, rip) - map__reloc(map);  in map__rip_2objdump()
563  * @map: memory map
567  * objdump and converts it to a memory address.  Note this assumes that @map
569  * e.g. map__rip_2objdump(map__map_ip(map, map__objdump_2mem(map, ip))) == ip
573 u64 map__objdump_2mem(struct map *map, u64 ip)  in map__objdump_2mem()  argument
575 	const struct dso *dso = map__dso(map);  in map__objdump_2mem()
578 		return map__unmap_ip(map, ip);  in map__objdump_2mem()
581 		return map__unmap_ip(map, ip + map__pgoff(map));  in map__objdump_2mem()
584 		return map__unmap_ip(map, ip - dso__text_offset(dso));  in map__objdump_2mem()
586 	return ip + map__reloc(map);  in map__objdump_2mem()
590 u64 map__objdump_2rip(struct map *map, u64 ip)  in map__objdump_2rip()  argument
592 	const struct dso *dso = map__dso(map);  in map__objdump_2rip()
598 		return ip + map__pgoff(map);  in map__objdump_2rip()
603 	return map__map_ip(map, ip + map__reloc(map));  in map__objdump_2rip()
606 bool map__contains_symbol(const struct map *map, const struct symbol *sym)  in map__contains_symbol()  argument
608 	u64 ip = map__unmap_ip(map, sym->start);  in map__contains_symbol()
610 	return ip >= map__start(map) && ip < map__end(map);  in map__contains_symbol()
613 struct kmap *__map__kmap(struct map *map)  in __map__kmap()  argument
615 	const struct dso *dso = map__dso(map);  in __map__kmap()
619 	return (struct kmap *)(&RC_CHK_ACCESS(map)[1]);  in __map__kmap()
622 struct kmap *map__kmap(struct map *map)  in map__kmap()  argument
624 	struct kmap *kmap = __map__kmap(map);  in map__kmap()
627 		pr_err("Internal error: map__kmap with a non-kernel map\n");  in map__kmap()
631 struct maps *map__kmaps(struct map *map)  in map__kmaps()  argument
633 	struct kmap *kmap = map__kmap(map);  in map__kmaps()
636 		pr_err("Internal error: map__kmaps with a non-kernel map\n");  in map__kmaps()