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-rw-r--r--include/dlfcn.h3
-rw-r--r--src/ldso/dlinfo.c8
-rw-r--r--src/ldso/dynlink.c12
3 files changed, 23 insertions, 0 deletions
diff --git a/include/dlfcn.h b/include/dlfcn.h
index e2f57b53..db26194b 100644
--- a/include/dlfcn.h
+++ b/include/dlfcn.h
@@ -17,6 +17,8 @@ extern "C" {
#define RTLD_NEXT ((void *)-1)
#define RTLD_DEFAULT ((void *)0)
+#define RTLD_DI_LINKMAP 2
+
int dlclose(void *);
char *dlerror(void);
void *dlopen(const char *, int);
@@ -30,6 +32,7 @@ typedef struct {
void *dli_saddr;
} Dl_info;
int dladdr(void *, Dl_info *);
+int dlinfo(void *, int, void *);
#endif
#ifdef __cplusplus
diff --git a/src/ldso/dlinfo.c b/src/ldso/dlinfo.c
new file mode 100644
index 00000000..4748eaf8
--- /dev/null
+++ b/src/ldso/dlinfo.c
@@ -0,0 +1,8 @@
+#include <dlfcn.h>
+
+int __dlinfo(void *, int, void *);
+
+int dlinfo(void *dso, int req, void *res)
+{
+ return __dlinfo(dso, req, res);
+}
diff --git a/src/ldso/dynlink.c b/src/ldso/dynlink.c
index ac4b669f..7031d03a 100644
--- a/src/ldso/dynlink.c
+++ b/src/ldso/dynlink.c
@@ -1273,6 +1273,18 @@ int __dladdr (void *addr, Dl_info *info)
}
#endif
+int __dlinfo(void *dso, int req, void *res)
+{
+ if (invalid_dso_handle(dso)) return -1;
+ if (req != RTLD_DI_LINKMAP) {
+ snprintf(errbuf, sizeof errbuf, "Unsupported request %d", req);
+ errflag = 1;
+ return -1;
+ }
+ *(struct link_map **)res = dso;
+ return 0;
+}
+
char *dlerror()
{
if (!errflag) return 0;