static int load_kernel(void)
{
int err;
kernel_dso = dso__new("[kernel]", 0);
if (!kernel_dso)
return -1;
err = dso__load_kernel(kernel_dso, vmlinux, NULL, verbose, modules);
if (err <= 0) {
dso__delete(kernel_dso);
kernel_dso = NULL;
} else
dsos__add(kernel_dso);
vdso = dso__new("[vdso]", 0);
if (!vdso)
return -1;
vdso->find_symbol = vdso__find_symbol;
dsos__add(vdso);
return err;
}
struct debuginfo *debuginfo__new(const char *path)
{
enum dso_binary_type *type;
char buf[PATH_MAX], nil = '\0';
struct dso *dso;
struct debuginfo *dinfo = NULL;
/* Try to open distro debuginfo files */
dso = dso__new(path);
if (!dso)
goto out;
for (type = distro_dwarf_types;
!dinfo && *type != DSO_BINARY_TYPE__NOT_FOUND;
type++) {
if (dso__read_binary_type_filename(dso, *type, &nil,
buf, PATH_MAX) < 0)
continue;
dinfo = __debuginfo__new(buf);
}
dso__delete(dso);
out:
/* if failed to open all distro debuginfo, open given binary */
return dinfo ? : __debuginfo__new(path);
}
static struct dso *dsos__findnew(const char *name)
{
struct dso *dso = dsos__find(name);
int nr;
if (dso)
return dso;
dso = dso__new(name, 0);
if (!dso)
goto out_delete_dso;
nr = dso__load(dso, NULL, verbose);
if (nr < 0) {
if (verbose)
fprintf(stderr, "Failed to open: %s\n", name);
goto out_delete_dso;
}
if (!nr && verbose) {
fprintf(stderr,
"No symbols found in: %s, maybe install a debug package?\n",
name);
}
dsos__add(dso);
return dso;
out_delete_dso:
dso__delete(dso);
return NULL;
}
static void dsos__delete(struct list_head *dsos)
{
struct dso *pos, *n;
list_for_each_entry_safe(pos, n, dsos, node) {
list_del(&pos->node);
dso__delete(pos);
}
