Changeset 5035ba05 in mainline for uspace/lib/c/include

Timestamp:

2016-05-02T19:49:51Z (10 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

32573ff, 9a08e6b

Parents:

634e020

Message:

Default symbol search vs. dlsym's BFS search.

Location:

uspace/lib/c/include

Files:

• rtld/module.h (modified) (1 diff)
• rtld/symbol.h (modified) (1 diff)
• types/rtld/module.h (modified) (2 diffs)

uspace/lib/c/include/rtld/module.h

@@ -44 +44 @@
 extern void module_process_relocs(module_t *);
 extern module_t *module_find(rtld_t *, const char *);
-extern module_t *module_load(rtld_t *, const char *);
-extern void module_load_deps(module_t *);
+extern module_t *module_load(rtld_t *, const char *, mlflags_t);
+extern void module_load_deps(module_t *, mlflags_t);
 
 extern void modules_process_relocs(rtld_t *, module_t *);

uspace/lib/c/include/rtld/symbol.h

@@ -43 +43 @@
         /** No flags */
         ssf_none = 0,
-        /** Do not search tree root */
-        ssf_noroot = 0x1
+        /** Do not search in the executable */
+        ssf_noexec = 0x1
 } symbol_search_flags_t;
 
-extern elf_symbol_t *symbol_bfs_find(const char *, module_t *,
-    symbol_search_flags_t, module_t **);
+extern elf_symbol_t *symbol_bfs_find(const char *, module_t *, module_t **);
 extern elf_symbol_t *symbol_def_find(const char *, module_t *,
     symbol_search_flags_t, module_t **);

uspace/lib/c/include/types/rtld/module.h

@@ -39 +39 @@
 #include <sys/types.h>
 
+typedef enum {
+        /** Do not export symbols to global namespace */
+        mlf_local = 0x1
+} mlflags_t;
+
+/** Dynamically linked module */
 typedef struct module {
         dyn_info_t dyn;
@@ -60 +66 @@
         /** Tag for modules already processed during a BFS */
         bool bfs_tag;
+        /** If @c true, does not export symbols to global namespace */
+        bool local;
+        /** This is the dynamically linked executable */
+        bool exec;
 } module_t;