perf tools: Factorize the map helpers

Factorize the dso mapping helpers into a single purpose common file
"util/map.c"

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Brice Goglin <Brice.Goglin@inria.fr>
This commit is contained in:
Frederic Weisbecker
2009-08-12 11:07:25 +02:00
parent 1fe2c1066c
commit 66e274f3b8
9 changed files with 137 additions and 198 deletions

View File

@@ -51,83 +51,6 @@ struct sym_ext {
char *path;
};
struct map {
struct list_head node;
u64 start;
u64 end;
u64 pgoff;
u64 (*map_ip)(struct map *, u64);
struct dso *dso;
};
static u64 map__map_ip(struct map *map, u64 ip)
{
return ip - map->start + map->pgoff;
}
static u64 vdso__map_ip(struct map *map __used, u64 ip)
{
return ip;
}
static struct map *map__new(struct mmap_event *event)
{
struct map *self = malloc(sizeof(*self));
if (self != NULL) {
const char *filename = event->filename;
self->start = event->start;
self->end = event->start + event->len;
self->pgoff = event->pgoff;
self->dso = dsos__findnew(filename);
if (self->dso == NULL)
goto out_delete;
if (self->dso == vdso)
self->map_ip = vdso__map_ip;
else
self->map_ip = map__map_ip;
}
return self;
out_delete:
free(self);
return NULL;
}
static struct map *map__clone(struct map *self)
{
struct map *map = malloc(sizeof(*self));
if (!map)
return NULL;
memcpy(map, self, sizeof(*self));
return map;
}
static int map__overlap(struct map *l, struct map *r)
{
if (l->start > r->start) {
struct map *t = l;
l = r;
r = t;
}
if (l->end > r->start)
return 1;
return 0;
}
static size_t map__fprintf(struct map *self, FILE *fp)
{
return fprintf(fp, " %Lx-%Lx %Lx %s\n",
self->start, self->end, self->pgoff, self->dso->name);
}
struct thread {
struct rb_node rb_node;
@@ -797,7 +720,7 @@ static int
process_mmap_event(event_t *event, unsigned long offset, unsigned long head)
{
struct thread *thread = threads__findnew(event->mmap.pid);
struct map *map = map__new(&event->mmap);
struct map *map = map__new(&event->mmap, NULL, 0);
dprintf("%p [%p]: PERF_EVENT_MMAP %d: [%p(%p) @ %p]: %s\n",
(void *)(offset + head),