GNU C Library master sources branch master updated. glibc-2.22-394-g58c9ff1

[hjl at sourceware dot org]

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http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=58c9ff1bdb213bfa65eff12c7d17532cb48aabe7

commit 58c9ff1bdb213bfa65eff12c7d17532cb48aabe7
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Thu Oct 15 14:04:00 2015 -0700

    Mark internal _dl_XXX functions hidden
    
    Since internal _dl_XXX functions are only used internally in ld.so,
    they can be made hidden.
    
    	[BZ #19122]
    	* elf/dl-runtime.c (_dl_fixup): Add attribute_hidden.
    	* elf/dynamic-link.h (_dl_try_allocate_static_tls): Likewise.
    	* sysdeps/generic/dl-cache.h (_dl_cache_libcmp): Likewise.
    	* sysdeps/generic/ldsodefs.h (_dl_name_match_p): Likewise.
    	(_dl_higher_prime_number): Likewise.
    	(_dl_debug_printf_c): Likewise.
    	(_dl_signal_cerror): Likewise.
    	(_dl_receive_error): Likewise.
    	(_dl_reloc_bad_type): Likewise.
    	(_dl_resolve_conflicts): Likewise.
    	(_dl_check_all_versions): Likewise.
    	(_dl_check_map_versions): Likewise.
    	(_dl_sort_fini): Likewise.
    	(_dl_debug_initialize): Likewise.
    	(_dl_init_paths): Likewise.
    	(_dl_show_auxv): Likewise.
    	(_dl_next_ld_env_entry): Likewise.
    	(_dl_important_hwcaps): Likewise.
    	(_dl_load_cache_lookup): Likewise.
    	(_dl_update_slotinfo): Likewise.
    	(_dl_show_scope): Likewise.

diff --git a/ChangeLog b/ChangeLog
index 9e1d9f9..f847fe7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,28 @@
 2015-10-15  H.J. Lu  <hongjiu.lu@intel.com>
 
 	[BZ #19122]
+	* elf/dl-runtime.c (_dl_fixup): Add attribute_hidden.
+	* elf/dynamic-link.h (_dl_try_allocate_static_tls): Likewise.
+	* sysdeps/generic/dl-cache.h (_dl_cache_libcmp): Likewise.
+	* sysdeps/generic/ldsodefs.h (_dl_name_match_p): Likewise.
+	(_dl_higher_prime_number): Likewise.
+	(_dl_debug_printf_c): Likewise.
+	(_dl_signal_cerror): Likewise.
+	(_dl_receive_error): Likewise.
+	(_dl_reloc_bad_type): Likewise.
+	(_dl_resolve_conflicts): Likewise.
+	(_dl_check_all_versions): Likewise.
+	(_dl_check_map_versions): Likewise.
+	(_dl_sort_fini): Likewise.
+	(_dl_debug_initialize): Likewise.
+	(_dl_init_paths): Likewise.
+	(_dl_show_auxv): Likewise.
+	(_dl_next_ld_env_entry): Likewise.
+	(_dl_important_hwcaps): Likewise.
+	(_dl_load_cache_lookup): Likewise.
+	(_dl_update_slotinfo): Likewise.
+	(_dl_show_scope): Likewise.
+
 	* sysdeps/generic/memcopy.h (_wordcopy_fwd_aligned): Add
 	attribute_hidden.
 	(_wordcopy_fwd_dest_aligned): Likewise.
diff --git a/elf/dl-runtime.c b/elf/dl-runtime.c
index bd9a1b1..3de6f55 100644
--- a/elf/dl-runtime.c
+++ b/elf/dl-runtime.c
@@ -57,7 +57,7 @@
    function.  */
 
 DL_FIXUP_VALUE_TYPE
-__attribute ((noinline)) ARCH_FIXUP_ATTRIBUTE
+attribute_hidden __attribute ((noinline)) ARCH_FIXUP_ATTRIBUTE
 _dl_fixup (
 # ifdef ELF_MACHINE_RUNTIME_FIXUP_ARGS
 	   ELF_MACHINE_RUNTIME_FIXUP_ARGS,
diff --git a/elf/dynamic-link.h b/elf/dynamic-link.h
index d7cff48..0118565 100644
--- a/elf/dynamic-link.h
+++ b/elf/dynamic-link.h
@@ -42,7 +42,8 @@
      && (__builtin_expect ((sym_map)->l_tls_offset != NO_TLS_OFFSET, 1)	\
 	 || _dl_try_allocate_static_tls (sym_map) == 0))
 
-int internal_function _dl_try_allocate_static_tls (struct link_map *map);
+int internal_function attribute_hidden
+  _dl_try_allocate_static_tls (struct link_map *map);
 
 #include <elf.h>
 
diff --git a/sysdeps/generic/dl-cache.h b/sysdeps/generic/dl-cache.h
index 4b49869..70d4aeb 100644
--- a/sysdeps/generic/dl-cache.h
+++ b/sysdeps/generic/dl-cache.h
@@ -101,4 +101,4 @@ struct cache_file_new
  & (~(__alignof__ (struct cache_file_new) - 1)))
 
 extern int _dl_cache_libcmp (const char *p1, const char *p2)
-     internal_function;
+     internal_function attribute_hidden;
diff --git a/sysdeps/generic/ldsodefs.h b/sysdeps/generic/ldsodefs.h
index 0625826..bb1b3ed 100644
--- a/sysdeps/generic/ldsodefs.h
+++ b/sysdeps/generic/ldsodefs.h
@@ -235,11 +235,11 @@ struct audit_ifaces
 
 /* Test whether given NAME matches any of the names of the given object.  */
 extern int _dl_name_match_p (const char *__name, const struct link_map *__map)
-     internal_function;
+     internal_function attribute_hidden;
 
 /* Compute next higher prime number.  */
 extern unsigned long int _dl_higher_prime_number (unsigned long int n)
-     internal_function;
+     internal_function attribute_hidden;
 
 /* Function used as argument for `_dl_receive_error' function.  The
    arguments are the error code, error string, and the objname the
@@ -685,7 +685,7 @@ extern void _dl_debug_printf (const char *fmt, ...)
    interpreted as for a `printf' call.  All the lines buf the first
    start with a tag showing the PID.  */
 extern void _dl_debug_printf_c (const char *fmt, ...)
-     __attribute__ ((__format__ (__printf__, 1, 2)));
+     __attribute__ ((__format__ (__printf__, 1, 2))) attribute_hidden;
 
 
 /* Write a message on the specified descriptor FD.  The parameters are
@@ -728,7 +728,7 @@ extern void _dl_signal_error (int errcode, const char *object,
    _dl_receive_error.  */
 extern void _dl_signal_cerror (int errcode, const char *object,
 			       const char *occation, const char *errstring)
-     internal_function;
+     internal_function attribute_hidden;
 
 /* Call OPERATE, receiving errors from `dl_signal_cerror'.  Unlike
    `_dl_catch_error' the operation is resumed after the OPERATE
@@ -736,7 +736,7 @@ extern void _dl_signal_cerror (int errcode, const char *object,
    ARGS is passed as argument to OPERATE.  */
 extern void _dl_receive_error (receiver_fct fct, void (*operate) (void *),
 			       void *args)
-     internal_function;
+     internal_function attribute_hidden;
 
 
 /* Open the shared object NAME and map in its segments.
@@ -835,24 +835,25 @@ extern void _dl_protect_relro (struct link_map *map)
    PLT is nonzero if this was a PLT reloc; it just affects the message.  */
 extern void _dl_reloc_bad_type (struct link_map *map,
 				unsigned int type, int plt)
-     internal_function __attribute__ ((__noreturn__));
+     internal_function attribute_hidden __attribute__ ((__noreturn__));
 
 /* Resolve conflicts if prelinking.  */
 extern void _dl_resolve_conflicts (struct link_map *l,
 				   ElfW(Rela) *conflict,
-				   ElfW(Rela) *conflictend);
+				   ElfW(Rela) *conflictend)
+     attribute_hidden;
 
 /* Check the version dependencies of all objects available through
    MAP.  If VERBOSE print some more diagnostics.  */
 extern int _dl_check_all_versions (struct link_map *map, int verbose,
 				   int trace_mode)
-     internal_function;
+     internal_function attribute_hidden;
 
 /* Check the version dependencies for MAP.  If VERBOSE print some more
    diagnostics.  */
 extern int _dl_check_map_versions (struct link_map *map, int verbose,
 				   int trace_mode)
-     internal_function;
+     internal_function attribute_hidden;
 
 /* Initialize the object in SCOPE by calling the constructors with
    ARGC, ARGV, and ENV as the parameters.  */
@@ -866,7 +867,7 @@ extern void _dl_fini (void) internal_function;
 /* Sort array MAPS according to dependencies of the contained objects.  */
 extern void _dl_sort_fini (struct link_map **maps, size_t nmaps, char *used,
 			   Lmid_t ns)
-     internal_function;
+     internal_function attribute_hidden;
 
 /* The dynamic linker calls this function before and having changing
    any shared object mappings.  The `r_state' member of `struct r_debug'
@@ -879,10 +880,11 @@ rtld_hidden_proto (_dl_debug_state)
    argument is the run-time load address of the dynamic linker, to be put
    in the `r_ldbase' member.  Returns the address of the structure.  */
 extern struct r_debug *_dl_debug_initialize (ElfW(Addr) ldbase, Lmid_t ns)
-     internal_function;
+     internal_function attribute_hidden;
 
 /* Initialize the basic data structure for the search paths.  */
-extern void _dl_init_paths (const char *library_path) internal_function;
+extern void _dl_init_paths (const char *library_path)
+     internal_function attribute_hidden;
 
 /* Gather the information needed to install the profiling tables and start
    the timers.  */
@@ -898,23 +900,25 @@ rtld_hidden_proto (_dl_mcount)
 extern void _dl_mcount_wrapper (void *selfpc);
 
 /* Show the members of the auxiliary array passed up from the kernel.  */
-extern void _dl_show_auxv (void) internal_function;
+extern void _dl_show_auxv (void)
+     internal_function attribute_hidden;
 
 /* Return all environment variables starting with `LD_', one after the
    other.  */
-extern char *_dl_next_ld_env_entry (char ***position) internal_function;
+extern char *_dl_next_ld_env_entry (char ***position)
+     internal_function attribute_hidden;
 
 /* Return an array with the names of the important hardware capabilities.  */
 extern const struct r_strlenpair *_dl_important_hwcaps (const char *platform,
 							size_t paltform_len,
 							size_t *sz,
 							size_t *max_capstrlen)
-     internal_function;
+     internal_function attribute_hidden;
 
 /* Look up NAME in ld.so.cache and return the file name stored there,
    or null if none is found.  Caller must free returned string.  */
 extern char *_dl_load_cache_lookup (const char *name)
-     internal_function;
+     internal_function attribute_hidden;
 
 /* If the system does not support MAP_COPY we cannot leave the file open
    all the time since this would create problems when the file is replaced.
@@ -1014,7 +1018,8 @@ extern void _dl_add_to_slotinfo (struct link_map  *l) attribute_hidden;
 
 /* Update slot information data for at least the generation of the
    module with the given index.  */
-extern struct link_map *_dl_update_slotinfo (unsigned long int req_modid);
+extern struct link_map *_dl_update_slotinfo (unsigned long int req_modid)
+     attribute_hidden;
 
 /* Look up the module's TLS block as for __tls_get_addr,
    but never touch anything.  Return null if it's not allocated yet.  */
@@ -1024,7 +1029,8 @@ extern int _dl_addr_inside_object (struct link_map *l, const ElfW(Addr) addr)
      internal_function attribute_hidden;
 
 /* Show show of an object.  */
-extern void _dl_show_scope (struct link_map *new, int from);
+extern void _dl_show_scope (struct link_map *new, int from)
+     attribute_hidden;
 
 extern struct link_map *_dl_find_dso_for_object (const ElfW(Addr) addr)
      internal_function;

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog                  |   22 ++++++++++++++++++++++
 elf/dl-runtime.c           |    2 +-
 elf/dynamic-link.h         |    3 ++-
 sysdeps/generic/dl-cache.h |    2 +-
 sysdeps/generic/ldsodefs.h |   42 ++++++++++++++++++++++++------------------
 5 files changed, 50 insertions(+), 21 deletions(-)


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