static void write_event(event_t *buf, size_t size)
{
/*
* Add it to the list of DSOs, so that when we finish this
* record session we can pick the available build-ids.
*/
if (buf->header.type == PERF_RECORD_MMAP)
dsos__findnew(buf->mmap.filename);
write_output(buf, size);
}
struct map *map__new(struct mmap_event *event, enum map_type type,
char *cwd, int cwdlen)
{
struct map *self = malloc(sizeof(*self));
if (self != NULL) {
const char *filename = event->filename;
char newfilename[PATH_MAX];
struct dso *dso;
int anon;
if (cwd) {
int n = strcommon(filename, cwd, cwdlen);
if (n == cwdlen) {
snprintf(newfilename, sizeof(newfilename),
".%s", filename + n);
filename = newfilename;
}
}
anon = is_anon_memory(filename);
if (anon) {
snprintf(newfilename, sizeof(newfilename), "/tmp/perf-%d.map", event->pid);
filename = newfilename;
}
dso = dsos__findnew(filename);
if (dso == NULL)
goto out_delete;
map__init(self, type, event->start, event->start + event->len,
event->pgoff, dso);
if (anon) {
set_identity:
self->map_ip = self->unmap_ip = identity__map_ip;
} else if (strcmp(filename, "[vdso]") == 0) {
dso__set_loaded(dso, self->type);
goto set_identity;
}
}
return self;
out_delete:
free(self);
return NULL;
}
