summaryrefslogtreecommitdiff
path: root/tools/perf/util/map.c
diff options
context:
space:
mode:
Diffstat (limited to 'tools/perf/util/map.c')
-rw-r--r--tools/perf/util/map.c84
1 files changed, 83 insertions, 1 deletions
diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c
index a9b42273675..9f2963f9ee9 100644
--- a/tools/perf/util/map.c
+++ b/tools/perf/util/map.c
@@ -1,8 +1,9 @@
#include "symbol.h"
+#include <limits.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
-#include "debug.h"
+#include "map.h"
const char *map_type__name[MAP__NR_TYPES] = {
[MAP__FUNCTION] = "Functions",
@@ -232,3 +233,84 @@ u64 map__objdump_2ip(struct map *map, u64 addr)
map->unmap_ip(map, addr); /* RIP -> IP */
return ip;
}
+
+struct symbol *map_groups__find_symbol(struct map_groups *self,
+ enum map_type type, u64 addr,
+ symbol_filter_t filter)
+{
+ struct map *map = map_groups__find(self, type, addr);
+
+ if (map != NULL)
+ return map__find_symbol(map, map->map_ip(map, addr), filter);
+
+ return NULL;
+}
+
+static u64 map__reloc_map_ip(struct map *map, u64 ip)
+{
+ return ip + (s64)map->pgoff;
+}
+
+static u64 map__reloc_unmap_ip(struct map *map, u64 ip)
+{
+ return ip - (s64)map->pgoff;
+}
+
+void map__reloc_vmlinux(struct map *self)
+{
+ struct kmap *kmap = map__kmap(self);
+ s64 reloc;
+
+ if (!kmap->ref_reloc_sym || !kmap->ref_reloc_sym->unrelocated_addr)
+ return;
+
+ reloc = (kmap->ref_reloc_sym->unrelocated_addr -
+ kmap->ref_reloc_sym->addr);
+
+ if (!reloc)
+ return;
+
+ self->map_ip = map__reloc_map_ip;
+ self->unmap_ip = map__reloc_unmap_ip;
+ self->pgoff = reloc;
+}
+
+void maps__insert(struct rb_root *maps, struct map *map)
+{
+ struct rb_node **p = &maps->rb_node;
+ struct rb_node *parent = NULL;
+ const u64 ip = map->start;
+ struct map *m;
+
+ while (*p != NULL) {
+ parent = *p;
+ m = rb_entry(parent, struct map, rb_node);
+ if (ip < m->start)
+ p = &(*p)->rb_left;
+ else
+ p = &(*p)->rb_right;
+ }
+
+ rb_link_node(&map->rb_node, parent, p);
+ rb_insert_color(&map->rb_node, maps);
+}
+
+struct map *maps__find(struct rb_root *maps, u64 ip)
+{
+ struct rb_node **p = &maps->rb_node;
+ struct rb_node *parent = NULL;
+ struct map *m;
+
+ while (*p != NULL) {
+ parent = *p;
+ m = rb_entry(parent, struct map, rb_node);
+ if (ip < m->start)
+ p = &(*p)->rb_left;
+ else if (ip > m->end)
+ p = &(*p)->rb_right;
+ else
+ return m;
+ }
+
+ return NULL;
+}