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-rw-r--r--tools/perf/util/symbol.c355
1 files changed, 268 insertions, 87 deletions
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index fffcb937cdcb..ab92763edb03 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -1,5 +1,7 @@
#include "util.h"
#include "../perf.h"
+#include "session.h"
+#include "sort.h"
#include "string.h"
#include "symbol.h"
#include "thread.h"
@@ -29,33 +31,50 @@ enum dso_origin {
};
static void dsos__add(struct list_head *head, struct dso *dso);
-static struct map *thread__find_map_by_name(struct thread *self, char *name);
static struct map *map__new2(u64 start, struct dso *dso, enum map_type type);
-struct symbol *dso__find_symbol(struct dso *self, enum map_type type, u64 addr);
static int dso__load_kernel_sym(struct dso *self, struct map *map,
- struct thread *thread, symbol_filter_t filter);
-unsigned int symbol__priv_size;
+ struct perf_session *session, symbol_filter_t filter);
static int vmlinux_path__nr_entries;
static char **vmlinux_path;
-static struct symbol_conf symbol_conf__defaults = {
+struct symbol_conf symbol_conf = {
+ .exclude_other = true,
.use_modules = true,
.try_vmlinux_path = true,
};
-static struct thread kthread_mem;
-struct thread *kthread = &kthread_mem;
-
bool dso__loaded(const struct dso *self, enum map_type type)
{
return self->loaded & (1 << type);
}
+bool dso__sorted_by_name(const struct dso *self, enum map_type type)
+{
+ return self->sorted_by_name & (1 << type);
+}
+
static void dso__set_loaded(struct dso *self, enum map_type type)
{
self->loaded |= (1 << type);
}
+static void dso__set_sorted_by_name(struct dso *self, enum map_type type)
+{
+ self->sorted_by_name |= (1 << type);
+}
+
+static bool symbol_type__is_a(char symbol_type, enum map_type map_type)
+{
+ switch (map_type) {
+ case MAP__FUNCTION:
+ return symbol_type == 'T' || symbol_type == 'W';
+ case MAP__VARIABLE:
+ return symbol_type == 'D' || symbol_type == 'd';
+ default:
+ return false;
+ }
+}
+
static void symbols__fixup_end(struct rb_root *self)
{
struct rb_node *nd, *prevnd = rb_first(self);
@@ -79,7 +98,7 @@ static void symbols__fixup_end(struct rb_root *self)
curr->end = roundup(curr->start, 4096);
}
-static void __thread__fixup_maps_end(struct thread *self, enum map_type type)
+static void __map_groups__fixup_end(struct map_groups *self, enum map_type type)
{
struct map *prev, *curr;
struct rb_node *nd, *prevnd = rb_first(&self->maps[type]);
@@ -102,23 +121,23 @@ static void __thread__fixup_maps_end(struct thread *self, enum map_type type)
curr->end = ~0UL;
}
-static void thread__fixup_maps_end(struct thread *self)
+static void map_groups__fixup_end(struct map_groups *self)
{
int i;
for (i = 0; i < MAP__NR_TYPES; ++i)
- __thread__fixup_maps_end(self, i);
+ __map_groups__fixup_end(self, i);
}
static struct symbol *symbol__new(u64 start, u64 len, const char *name)
{
size_t namelen = strlen(name) + 1;
- struct symbol *self = zalloc(symbol__priv_size +
+ struct symbol *self = zalloc(symbol_conf.priv_size +
sizeof(*self) + namelen);
if (self == NULL)
return NULL;
- if (symbol__priv_size)
- self = ((void *)self) + symbol__priv_size;
+ if (symbol_conf.priv_size)
+ self = ((void *)self) + symbol_conf.priv_size;
self->start = start;
self->end = len ? start + len - 1 : start;
@@ -132,7 +151,7 @@ static struct symbol *symbol__new(u64 start, u64 len, const char *name)
static void symbol__delete(struct symbol *self)
{
- free(((void *)self) - symbol__priv_size);
+ free(((void *)self) - symbol_conf.priv_size);
}
static size_t symbol__fprintf(struct symbol *self, FILE *fp)
@@ -164,11 +183,11 @@ struct dso *dso__new(const char *name)
dso__set_long_name(self, self->name);
self->short_name = self->name;
for (i = 0; i < MAP__NR_TYPES; ++i)
- self->symbols[i] = RB_ROOT;
- self->find_symbol = dso__find_symbol;
+ self->symbols[i] = self->symbol_names[i] = RB_ROOT;
self->slen_calculated = 0;
self->origin = DSO__ORIG_NOT_FOUND;
self->loaded = 0;
+ self->sorted_by_name = 0;
self->has_build_id = 0;
}
@@ -246,11 +265,85 @@ static struct symbol *symbols__find(struct rb_root *self, u64 ip)
return NULL;
}
-struct symbol *dso__find_symbol(struct dso *self, enum map_type type, u64 addr)
+struct symbol_name_rb_node {
+ struct rb_node rb_node;
+ struct symbol sym;
+};
+
+static void symbols__insert_by_name(struct rb_root *self, struct symbol *sym)
+{
+ struct rb_node **p = &self->rb_node;
+ struct rb_node *parent = NULL;
+ struct symbol_name_rb_node *symn = ((void *)sym) - sizeof(*parent), *s;
+
+ while (*p != NULL) {
+ parent = *p;
+ s = rb_entry(parent, struct symbol_name_rb_node, rb_node);
+ if (strcmp(sym->name, s->sym.name) < 0)
+ p = &(*p)->rb_left;
+ else
+ p = &(*p)->rb_right;
+ }
+ rb_link_node(&symn->rb_node, parent, p);
+ rb_insert_color(&symn->rb_node, self);
+}
+
+static void symbols__sort_by_name(struct rb_root *self, struct rb_root *source)
+{
+ struct rb_node *nd;
+
+ for (nd = rb_first(source); nd; nd = rb_next(nd)) {
+ struct symbol *pos = rb_entry(nd, struct symbol, rb_node);
+ symbols__insert_by_name(self, pos);
+ }
+}
+
+static struct symbol *symbols__find_by_name(struct rb_root *self, const char *name)
+{
+ struct rb_node *n;
+
+ if (self == NULL)
+ return NULL;
+
+ n = self->rb_node;
+
+ while (n) {
+ struct symbol_name_rb_node *s;
+ int cmp;
+
+ s = rb_entry(n, struct symbol_name_rb_node, rb_node);
+ cmp = strcmp(name, s->sym.name);
+
+ if (cmp < 0)
+ n = n->rb_left;
+ else if (cmp > 0)
+ n = n->rb_right;
+ else
+ return &s->sym;
+ }
+
+ return NULL;
+}
+
+struct symbol *dso__find_symbol(struct dso *self,
+ enum map_type type, u64 addr)
{
return symbols__find(&self->symbols[type], addr);
}
+struct symbol *dso__find_symbol_by_name(struct dso *self, enum map_type type,
+ const char *name)
+{
+ return symbols__find_by_name(&self->symbol_names[type], name);
+}
+
+void dso__sort_by_name(struct dso *self, enum map_type type)
+{
+ dso__set_sorted_by_name(self, type);
+ return symbols__sort_by_name(&self->symbol_names[type],
+ &self->symbols[type]);
+}
+
int build_id__sprintf(u8 *self, int len, char *bf)
{
char *bid = bf;
@@ -327,10 +420,7 @@ static int dso__load_all_kallsyms(struct dso *self, struct map *map)
continue;
symbol_type = toupper(line[len]);
- /*
- * We're interested only in code ('T'ext)
- */
- if (symbol_type != 'T' && symbol_type != 'W')
+ if (!symbol_type__is_a(symbol_type, map->type))
continue;
symbol_name = line + len + 2;
@@ -364,8 +454,8 @@ out_failure:
* kernel range is broken in several maps, named [kernel].N, as we don't have
* the original ELF section names vmlinux have.
*/
-static int dso__split_kallsyms(struct dso *self, struct map *map, struct thread *thread,
- symbol_filter_t filter)
+static int dso__split_kallsyms(struct dso *self, struct map *map,
+ struct perf_session *session, symbol_filter_t filter)
{
struct map *curr_map = map;
struct symbol *pos;
@@ -382,13 +472,13 @@ static int dso__split_kallsyms(struct dso *self, struct map *map, struct thread
module = strchr(pos->name, '\t');
if (module) {
- if (!thread->use_modules)
+ if (!symbol_conf.use_modules)
goto discard_symbol;
*module++ = '\0';
if (strcmp(self->name, module)) {
- curr_map = thread__find_map_by_name(thread, module);
+ curr_map = map_groups__find_by_name(&session->kmaps, map->type, module);
if (curr_map == NULL) {
pr_debug("/proc/{kallsyms,modules} "
"inconsistency!\n");
@@ -419,7 +509,7 @@ static int dso__split_kallsyms(struct dso *self, struct map *map, struct thread
}
curr_map->map_ip = curr_map->unmap_ip = identity__map_ip;
- __thread__insert_map(thread, curr_map);
+ map_groups__insert(&session->kmaps, curr_map);
++kernel_range;
}
@@ -440,7 +530,7 @@ discard_symbol: rb_erase(&pos->rb_node, root);
static int dso__load_kallsyms(struct dso *self, struct map *map,
- struct thread *thread, symbol_filter_t filter)
+ struct perf_session *session, symbol_filter_t filter)
{
if (dso__load_all_kallsyms(self, map) < 0)
return -1;
@@ -448,14 +538,7 @@ static int dso__load_kallsyms(struct dso *self, struct map *map,
symbols__fixup_end(&self->symbols[map->type]);
self->origin = DSO__ORIG_KERNEL;
- return dso__split_kallsyms(self, map, thread, filter);
-}
-
-size_t kernel_maps__fprintf(FILE *fp)
-{
- size_t printed = fprintf(fp, "Kernel maps:\n");
- printed += thread__fprintf_maps(kthread, fp);
- return printed + fprintf(fp, "END kernel maps\n");
+ return dso__split_kallsyms(self, map, session, filter);
}
static int dso__load_perf_map(struct dso *self, struct map *map,
@@ -544,6 +627,13 @@ static inline int elf_sym__is_function(const GElf_Sym *sym)
sym->st_shndx != SHN_UNDEF;
}
+static inline bool elf_sym__is_object(const GElf_Sym *sym)
+{
+ return elf_sym__type(sym) == STT_OBJECT &&
+ sym->st_name != 0 &&
+ sym->st_shndx != SHN_UNDEF;
+}
+
static inline int elf_sym__is_label(const GElf_Sym *sym)
{
return elf_sym__type(sym) == STT_NOTYPE &&
@@ -564,6 +654,12 @@ static inline int elf_sec__is_text(const GElf_Shdr *shdr,
return strstr(elf_sec__name(shdr, secstrs), "text") != NULL;
}
+static inline bool elf_sec__is_data(const GElf_Shdr *shdr,
+ const Elf_Data *secstrs)
+{
+ return strstr(elf_sec__name(shdr, secstrs), "data") != NULL;
+}
+
static inline const char *elf_sym__name(const GElf_Sym *sym,
const Elf_Data *symstrs)
{
@@ -744,8 +840,32 @@ out:
return 0;
}
+static bool elf_sym__is_a(GElf_Sym *self, enum map_type type)
+{
+ switch (type) {
+ case MAP__FUNCTION:
+ return elf_sym__is_function(self);
+ case MAP__VARIABLE:
+ return elf_sym__is_object(self);
+ default:
+ return false;
+ }
+}
+
+static bool elf_sec__is_a(GElf_Shdr *self, Elf_Data *secstrs, enum map_type type)
+{
+ switch (type) {
+ case MAP__FUNCTION:
+ return elf_sec__is_text(self, secstrs);
+ case MAP__VARIABLE:
+ return elf_sec__is_data(self, secstrs);
+ default:
+ return false;
+ }
+}
+
static int dso__load_sym(struct dso *self, struct map *map,
- struct thread *thread, const char *name, int fd,
+ struct perf_session *session, const char *name, int fd,
symbol_filter_t filter, int kernel, int kmodule)
{
struct map *curr_map = map;
@@ -818,7 +938,7 @@ static int dso__load_sym(struct dso *self, struct map *map,
int is_label = elf_sym__is_label(&sym);
const char *section_name;
- if (!is_label && !elf_sym__is_function(&sym))
+ if (!is_label && !elf_sym__is_a(&sym, map->type))
continue;
sec = elf_getscn(elf, sym.st_shndx);
@@ -827,7 +947,7 @@ static int dso__load_sym(struct dso *self, struct map *map,
gelf_getshdr(sec, &shdr);
- if (is_label && !elf_sec__is_text(&shdr, secstrs))
+ if (is_label && !elf_sec__is_a(&shdr, secstrs, map->type))
continue;
elf_name = elf_sym__name(&sym, symstrs);
@@ -849,7 +969,7 @@ static int dso__load_sym(struct dso *self, struct map *map,
snprintf(dso_name, sizeof(dso_name),
"%s%s", self->short_name, section_name);
- curr_map = thread__find_map_by_name(thread, dso_name);
+ curr_map = map_groups__find_by_name(&session->kmaps, map->type, dso_name);
if (curr_map == NULL) {
u64 start = sym.st_value;
@@ -868,7 +988,7 @@ static int dso__load_sym(struct dso *self, struct map *map,
curr_map->map_ip = identity__map_ip;
curr_map->unmap_ip = identity__map_ip;
curr_dso->origin = DSO__ORIG_KERNEL;
- __thread__insert_map(kthread, curr_map);
+ map_groups__insert(&session->kmaps, curr_map);
dsos__add(&dsos__kernel, curr_dso);
} else
curr_dso = curr_map->dso;
@@ -938,8 +1058,9 @@ static bool __dsos__read_build_ids(struct list_head *head)
bool dsos__read_build_ids(void)
{
- return __dsos__read_build_ids(&dsos__kernel) ||
- __dsos__read_build_ids(&dsos__user);
+ bool kbuildids = __dsos__read_build_ids(&dsos__kernel),
+ ubuildids = __dsos__read_build_ids(&dsos__user);
+ return kbuildids || ubuildids;
}
/*
@@ -1082,7 +1203,8 @@ char dso__symtab_origin(const struct dso *self)
return origin[self->origin];
}
-int dso__load(struct dso *self, struct map *map, symbol_filter_t filter)
+int dso__load(struct dso *self, struct map *map, struct perf_session *session,
+ symbol_filter_t filter)
{
int size = PATH_MAX;
char *name;
@@ -1093,7 +1215,7 @@ int dso__load(struct dso *self, struct map *map, symbol_filter_t filter)
dso__set_loaded(self, map->type);
if (self->kernel)
- return dso__load_kernel_sym(self, map, kthread, filter);
+ return dso__load_kernel_sym(self, map, session, filter);
name = malloc(size);
if (!name)
@@ -1179,11 +1301,12 @@ out:
return ret;
}
-static struct map *thread__find_map_by_name(struct thread *self, char *name)
+struct map *map_groups__find_by_name(struct map_groups *self,
+ enum map_type type, const char *name)
{
struct rb_node *nd;
- for (nd = rb_first(&self->maps[MAP__FUNCTION]); nd; nd = rb_next(nd)) {
+ for (nd = rb_first(&self->maps[type]); nd; nd = rb_next(nd)) {
struct map *map = rb_entry(nd, struct map, rb_node);
if (map->dso && strcmp(map->dso->name, name) == 0)
@@ -1193,7 +1316,7 @@ static struct map *thread__find_map_by_name(struct thread *self, char *name)
return NULL;
}
-static int dsos__set_modules_path_dir(char *dirname)
+static int perf_session__set_modules_path_dir(struct perf_session *self, char *dirname)
{
struct dirent *dent;
DIR *dir = opendir(dirname);
@@ -1213,7 +1336,7 @@ static int dsos__set_modules_path_dir(char *dirname)
snprintf(path, sizeof(path), "%s/%s",
dirname, dent->d_name);
- if (dsos__set_modules_path_dir(path) < 0)
+ if (perf_session__set_modules_path_dir(self, path) < 0)
goto failure;
} else {
char *dot = strrchr(dent->d_name, '.'),
@@ -1227,7 +1350,7 @@ static int dsos__set_modules_path_dir(char *dirname)
(int)(dot - dent->d_name), dent->d_name);
strxfrchar(dso_name, '-', '_');
- map = thread__find_map_by_name(kthread, dso_name);
+ map = map_groups__find_by_name(&self->kmaps, MAP__FUNCTION, dso_name);
if (map == NULL)
continue;
@@ -1247,7 +1370,7 @@ failure:
return -1;
}
-static int dsos__set_modules_path(void)
+static int perf_session__set_modules_path(struct perf_session *self)
{
struct utsname uts;
char modules_path[PATH_MAX];
@@ -1258,7 +1381,7 @@ static int dsos__set_modules_path(void)
snprintf(modules_path, sizeof(modules_path), "/lib/modules/%s/kernel",
uts.release);
- return dsos__set_modules_path_dir(modules_path);
+ return perf_session__set_modules_path_dir(self, modules_path);
}
/*
@@ -1280,7 +1403,7 @@ static struct map *map__new2(u64 start, struct dso *dso, enum map_type type)
return self;
}
-static int thread__create_module_maps(struct thread *self)
+static int perf_session__create_module_maps(struct perf_session *self)
{
char *line = NULL;
size_t n;
@@ -1337,14 +1460,14 @@ static int thread__create_module_maps(struct thread *self)
dso->has_build_id = true;
dso->origin = DSO__ORIG_KMODULE;
- __thread__insert_map(self, map);
+ map_groups__insert(&self->kmaps, map);
dsos__add(&dsos__kernel, dso);
}
free(line);
fclose(file);
- return dsos__set_modules_path();
+ return perf_session__set_modules_path(self);
out_delete_line:
free(line);
@@ -1352,7 +1475,8 @@ out_failure:
return -1;
}
-static int dso__load_vmlinux(struct dso *self, struct map *map, struct thread *thread,
+static int dso__load_vmlinux(struct dso *self, struct map *map,
+ struct perf_session *session,
const char *vmlinux, symbol_filter_t filter)
{
int err = -1, fd;
@@ -1386,14 +1510,14 @@ static int dso__load_vmlinux(struct dso *self, struct map *map, struct thread *t
return -1;
dso__set_loaded(self, map->type);
- err = dso__load_sym(self, map, thread, self->long_name, fd, filter, 1, 0);
+ err = dso__load_sym(self, map, session, self->long_name, fd, filter, 1, 0);
close(fd);
return err;
}
static int dso__load_kernel_sym(struct dso *self, struct map *map,
- struct thread *thread, symbol_filter_t filter)
+ struct perf_session *session, symbol_filter_t filter)
{
int err;
bool is_kallsyms;
@@ -1403,7 +1527,7 @@ static int dso__load_kernel_sym(struct dso *self, struct map *map,
pr_debug("Looking at the vmlinux_path (%d entries long)\n",
vmlinux_path__nr_entries);
for (i = 0; i < vmlinux_path__nr_entries; ++i) {
- err = dso__load_vmlinux(self, map, thread,
+ err = dso__load_vmlinux(self, map, session,
vmlinux_path[i], filter);
if (err > 0) {
pr_debug("Using %s for symbols\n",
@@ -1419,12 +1543,12 @@ static int dso__load_kernel_sym(struct dso *self, struct map *map,
if (is_kallsyms)
goto do_kallsyms;
- err = dso__load_vmlinux(self, map, thread, self->long_name, filter);
+ err = dso__load_vmlinux(self, map, session, self->long_name, filter);
if (err <= 0) {
pr_info("The file %s cannot be used, "
"trying to use /proc/kallsyms...", self->long_name);
do_kallsyms:
- err = dso__load_kallsyms(self, map, thread, filter);
+ err = dso__load_kallsyms(self, map, session, filter);
if (err > 0 && !is_kallsyms)
dso__set_long_name(self, strdup("[kernel.kallsyms]"));
}
@@ -1507,42 +1631,59 @@ size_t dsos__fprintf_buildid(FILE *fp)
__dsos__fprintf_buildid(&dsos__user, fp));
}
-static int thread__create_kernel_map(struct thread *self, const char *vmlinux)
+static struct dso *dsos__create_kernel( const char *vmlinux)
{
- struct map *kmap;
struct dso *kernel = dso__new(vmlinux ?: "[kernel.kallsyms]");
if (kernel == NULL)
- return -1;
-
- kmap = map__new2(0, kernel, MAP__FUNCTION);
- if (kmap == NULL)
- goto out_delete_kernel_dso;
+ return NULL;
- kmap->map_ip = kmap->unmap_ip = identity__map_ip;
kernel->short_name = "[kernel]";
kernel->kernel = 1;
vdso = dso__new("[vdso]");
if (vdso == NULL)
- goto out_delete_kernel_map;
+ goto out_delete_kernel_dso;
dso__set_loaded(vdso, MAP__FUNCTION);
if (sysfs__read_build_id("/sys/kernel/notes", kernel->build_id,
sizeof(kernel->build_id)) == 0)
kernel->has_build_id = true;
- __thread__insert_map(self, kmap);
dsos__add(&dsos__kernel, kernel);
dsos__add(&dsos__user, vdso);
- return 0;
+ return kernel;
-out_delete_kernel_map:
- map__delete(kmap);
out_delete_kernel_dso:
dso__delete(kernel);
- return -1;
+ return NULL;
+}
+
+static int map_groups__create_kernel_maps(struct map_groups *self, const char *vmlinux)
+{
+ struct map *functions, *variables;
+ struct dso *kernel = dsos__create_kernel(vmlinux);
+
+ if (kernel == NULL)
+ return -1;
+
+ functions = map__new2(0, kernel, MAP__FUNCTION);
+ if (functions == NULL)
+ return -1;
+
+ variables = map__new2(0, kernel, MAP__VARIABLE);
+ if (variables == NULL) {
+ map__delete(functions);
+ return -1;
+ }
+
+ functions->map_ip = functions->unmap_ip =
+ variables->map_ip = variables->unmap_ip = identity__map_ip;
+ map_groups__insert(self, functions);
+ map_groups__insert(self, variables);
+
+ return 0;
}
static void vmlinux_path__exit(void)
@@ -1600,29 +1741,69 @@ out_fail:
return -1;
}
-int symbol__init(struct symbol_conf *conf)
+static int setup_list(struct strlist **list, const char *list_str,
+ const char *list_name)
{
- const struct symbol_conf *pconf = conf ?: &symbol_conf__defaults;
+ if (list_str == NULL)
+ return 0;
+ *list = strlist__new(true, list_str);
+ if (!*list) {
+ pr_err("problems parsing %s list\n", list_name);
+ return -1;
+ }
+ return 0;
+}
+
+int symbol__init(void)
+{
elf_version(EV_CURRENT);
- symbol__priv_size = pconf->priv_size;
- thread__init(kthread, 0);
+ if (symbol_conf.sort_by_name)
+ symbol_conf.priv_size += (sizeof(struct symbol_name_rb_node) -
+ sizeof(struct symbol));
- if (pconf->try_vmlinux_path && vmlinux_path__init() < 0)
+ if (symbol_conf.try_vmlinux_path && vmlinux_path__init() < 0)
return -1;
- if (thread__create_kernel_map(kthread, pconf->vmlinux_name) < 0) {
- vmlinux_path__exit();
+ if (symbol_conf.field_sep && *symbol_conf.field_sep == '.') {
+ pr_err("'.' is the only non valid --field-separator argument\n");
return -1;
}
- kthread->use_modules = pconf->use_modules;
- if (pconf->use_modules && thread__create_module_maps(kthread) < 0)
- pr_debug("Failed to load list of modules in use, "
- "continuing...\n");
+ if (setup_list(&symbol_conf.dso_list,
+ symbol_conf.dso_list_str, "dso") < 0)
+ return -1;
+
+ if (setup_list(&symbol_conf.comm_list,
+ symbol_conf.comm_list_str, "comm") < 0)
+ goto out_free_dso_list;
+
+ if (setup_list(&symbol_conf.sym_list,
+ symbol_conf.sym_list_str, "symbol") < 0)
+ goto out_free_comm_list;
+
+ return 0;
+
+out_free_dso_list:
+ strlist__delete(symbol_conf.dso_list);
+out_free_comm_list:
+ strlist__delete(symbol_conf.comm_list);
+ return -1;
+}
+
+int perf_session__create_kernel_maps(struct perf_session *self)
+{
+ if (map_groups__create_kernel_maps(&self->kmaps,
+ symbol_conf.vmlinux_name) < 0)
+ return -1;
+
+ if (symbol_conf.use_modules &&
+ perf_session__create_module_maps(self) < 0)
+ pr_debug("Failed to load list of modules for session %s, "
+ "continuing...\n", self->filename);
/*
* Now that we have all the maps created, just set the ->end of them:
*/
- thread__fixup_maps_end(kthread);
+ map_groups__fixup_end(&self->kmaps);
return 0;
}