about summary refs log tree commit diff
path: root/sysdeps/generic
diff options
context:
space:
mode:
authorUlrich Drepper <drepper@redhat.com>2004-03-06 08:19:29 +0000
committerUlrich Drepper <drepper@redhat.com>2004-03-06 08:19:29 +0000
commit154d10bdf1984f4fe28f898e07bc25c5367f443e (patch)
tree10b4e36bf9d3fd223d680a054e744bf84bb66212 /sysdeps/generic
parentdd70526e8a07e95336ee87e1d968deafa8b5f34c (diff)
downloadglibc-154d10bdf1984f4fe28f898e07bc25c5367f443e.tar.gz
glibc-154d10bdf1984f4fe28f898e07bc25c5367f443e.tar.xz
glibc-154d10bdf1984f4fe28f898e07bc25c5367f443e.zip
Update.
	* elf/Versions: Remove functions which are not exported anymore.
	* dlfcn/dlerror.c: Call ld.so functions through GLSO.
	* dlfcn/dlinfo.c: Likewise.
	* elf/dl-close.c: Likewise.
	* elf/dl-libc.c: Likewise.
	* elf/dl-open.c: Likewise.
	* elf/dl-sym.c: Likewise.
	* sysdeps/generic/libc-start.c: Likewise.
	* elf/dl-debug.c: Remove *_internal definition.  Don't use INTUSE for
	functions which are not exported anymore.
	* elf/dl-deps.c: Likewise.
	* elf/dl-dst.h: Likewise.
	* elf/dl-error.c: Likewise.
	* elf/dl-fini.c: Likewise.
	* elf/dl-init.c: Likewise.
	* elf/dl-load.c: Likewise.
	* elf/dl-lookup.c: Likewise.
	* elf/dl-misc.c: Likewise.
	* elf/dl-profile.c: Likewise.
	* elf/dl-profstub.c: Likewise.
	* elf/dl-reloc.c: Likewise.
	* elf/dl-runtime.c: Likewise.
	* elf/dl-version.c: Likewise.
	* elf/do-lookup.h: Likewise.
	* include/dlfcn.h: Likewise.
	* sysdeps/generic/dl-cache.c: Likewise.
	* sysdeps/generic/dl-fptr.c: Likewise.
	* sysdeps/generic/dl-origin.c: Likewise.
	* sysdeps/generic/dl-sysdep.c: Likewise.
	* sysdeps/generic/dl-tls.c: Likewise.
	* sysdeps/generic/ldsodefs.h: Likewise.
	* sysdeps/i386/dl-tls.h: Likewise.
	* sysdeps/unix/sysv/linux/dl-origin.c: Likewise.
	* elf/rtld.c: Likewise.  Export function though _rtld_global_ro.

	* generic/dl-fptr.c: Likewise.
	* mach/hurd/dl-sysdep.c: Likewise.
	* unix/sysv/linux/ia64/dl-static.c: Likewise.
	* unix/sysv/linux/ia64/getpagesize.c: Likewise.
	* unix/sysv/linux/m68k/getpagesize.c: Likewise.
	* unix/sysv/linux/sparc/sparc32/getpagesize.c: Likewise.
Diffstat (limited to 'sysdeps/generic')
-rw-r--r--sysdeps/generic/dl-cache.c5
-rw-r--r--sysdeps/generic/dl-fptr.c20
-rw-r--r--sysdeps/generic/dl-origin.c2
-rw-r--r--sysdeps/generic/dl-sysdep.c4
-rw-r--r--sysdeps/generic/dl-tls.c28
-rw-r--r--sysdeps/generic/ldsodefs.h128
-rw-r--r--sysdeps/generic/libc-start.c4
7 files changed, 93 insertions, 98 deletions
diff --git a/sysdeps/generic/dl-cache.c b/sysdeps/generic/dl-cache.c
index 5a44148a44..2861dc2613 100644
--- a/sysdeps/generic/dl-cache.c
+++ b/sysdeps/generic/dl-cache.c
@@ -188,7 +188,7 @@ _dl_load_cache_lookup (const char *name)
 
   /* Print a message if the loading of libs is traced.  */
   if (__builtin_expect (GLRO(dl_debug_mask) & DL_DEBUG_LIBS, 0))
-    INTUSE(_dl_debug_printf) (" search cache=%s\n", LD_SO_CACHE);
+    _dl_debug_printf (" search cache=%s\n", LD_SO_CACHE);
 
   if (cache == NULL)
     {
@@ -291,7 +291,7 @@ _dl_load_cache_lookup (const char *name)
   /* Print our result if wanted.  */
   if (__builtin_expect (GLRO(dl_debug_mask) & DL_DEBUG_LIBS, 0)
       && best != NULL)
-    INTUSE(_dl_debug_printf) ("  trying file=%s\n", best);
+    _dl_debug_printf ("  trying file=%s\n", best);
 
   return best;
 }
@@ -310,5 +310,4 @@ _dl_unload_cache (void)
       cache = NULL;
     }
 }
-INTDEF (_dl_unload_cache)
 #endif
diff --git a/sysdeps/generic/dl-fptr.c b/sysdeps/generic/dl-fptr.c
index 1ed463717d..78beecfdcb 100644
--- a/sysdeps/generic/dl-fptr.c
+++ b/sysdeps/generic/dl-fptr.c
@@ -1,5 +1,5 @@
 /* Manage function descriptors.  Generic version.
-   Copyright (C) 1999,2000,2001,2002,2003 Free Software Foundation, Inc.
+   Copyright (C) 1999,2000,2001,2002,2003,2004 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -80,12 +80,12 @@ new_fdesc_table (struct local *l, size_t *size)
   if (! COMPARE_AND_SWAP (&l->npages, old_npages, new_npages))
     return (struct fdesc_table *) NULL;
 
-  *size = old_npages * GL(dl_pagesize);
+  *size = old_npages * GLRO(dl_pagesize);
   new_table = __mmap (NULL, *size,
 		      PROT_READ | PROT_WRITE, MAP_ANON | MAP_PRIVATE, -1, 0);
   if (new_table == MAP_FAILED)
-    INTUSE(_dl_signal_error) (errno, NULL, NULL,
-			      N_("cannot map pages for fdesc table"));
+    _dl_signal_error (errno, NULL, NULL,
+		      N_("cannot map pages for fdesc table"));
 
   new_table->len
     = (*size - sizeof (*new_table)) / sizeof (struct fdesc);
@@ -178,8 +178,8 @@ make_fptr_table (struct link_map *map)
      afterwards...  */
   len = ((strtab - (char *) symtab)
 	 / map->l_info[DT_SYMENT]->d_un.d_val);
-  size = ((len * sizeof (fptr_table[0]) + GL(dl_pagesize) - 1)
-	  & -GL(dl_pagesize));
+  size = ((len * sizeof (fptr_table[0]) + GLRO(dl_pagesize) - 1)
+	  & -GLRO(dl_pagesize));
   /* XXX We don't support here in the moment systems without MAP_ANON.
      There probably are none for IA-64.  In case this is proven wrong
      we will have to open /dev/null here and use the file descriptor
@@ -188,8 +188,8 @@ make_fptr_table (struct link_map *map)
 		       PROT_READ | PROT_WRITE, MAP_ANON | MAP_PRIVATE,
 		       -1, 0);
   if (fptr_table == MAP_FAILED)
-    INTUSE(_dl_signal_error) (errno, NULL, NULL,
-			      N_("cannot map pages for fptr table"));
+    _dl_signal_error (errno, NULL, NULL,
+		      N_("cannot map pages for fptr table"));
 
   if (COMPARE_AND_SWAP ((ElfW(Addr) *) &map->l_mach.fptr_table,
 			(ElfW(Addr)) NULL, (ElfW(Addr)) fptr_table))
@@ -217,8 +217,8 @@ _dl_make_fptr (struct link_map *map, const ElfW(Sym) *sym,
   symidx = sym - symtab;
 
   if (symidx >= map->l_mach.fptr_table_len)
-    INTUSE(_dl_signal_error) (0, NULL, NULL, N_("\
-internal error: symidx out of range of fptr table"));
+    _dl_signal_error (0, NULL, NULL,
+		      N_("internal error: symidx out of range of fptr table"));
 
   while (ftab[symidx] == 0)
     {
diff --git a/sysdeps/generic/dl-origin.c b/sysdeps/generic/dl-origin.c
index 4837c2e721..87619379bc 100644
--- a/sysdeps/generic/dl-origin.c
+++ b/sysdeps/generic/dl-origin.c
@@ -26,7 +26,6 @@
 #include <dl-dst.h>
 
 
-#undef _dl_get_origin
 const char *
 _dl_get_origin (void)
 {
@@ -50,4 +49,3 @@ _dl_get_origin (void)
 
   return result;
 }
-INTDEF(_dl_get_origin)
diff --git a/sysdeps/generic/dl-sysdep.c b/sysdeps/generic/dl-sysdep.c
index e9eccd5dc3..3447f4cd4c 100644
--- a/sysdeps/generic/dl-sysdep.c
+++ b/sysdeps/generic/dl-sysdep.c
@@ -416,8 +416,8 @@ _dl_important_hwcaps (const char *platform, size_t platform_len, size_t *sz,
 #ifndef USE_TLS
     no_memory:
 #endif
-      INTUSE(_dl_signal_error) (ENOMEM, NULL, NULL,
-				N_("cannot create capability list"));
+      _dl_signal_error (ENOMEM, NULL, NULL,
+			N_("cannot create capability list"));
     }
 
   if (cnt == 1)
diff --git a/sysdeps/generic/dl-tls.c b/sysdeps/generic/dl-tls.c
index e0ffcc06d3..4fe67da4e1 100644
--- a/sysdeps/generic/dl-tls.c
+++ b/sysdeps/generic/dl-tls.c
@@ -1,5 +1,5 @@
 /* Thread-local storage handling in the ELF dynamic linker.  Generic version.
-   Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -505,32 +505,6 @@ rtld_hidden_def (_dl_deallocate_tls)
 #  ifndef GET_ADDR_OFFSET
 #   define GET_ADDR_OFFSET ti->ti_offset
 #  endif
-/* Systems which do not have tls_index also probably have to define
-   DONT_USE_TLS_INDEX.  */
-
-#  ifndef __TLS_GET_ADDR
-#   define __TLS_GET_ADDR __tls_get_addr
-#  endif
-
-
-/* Return the symbol address given the map of the module it is in and
-   the symbol record.  This is used in dl-sym.c.  */
-void *
-internal_function
-_dl_tls_symaddr (struct link_map *map, const ElfW(Sym) *ref)
-{
-#  ifndef DONT_USE_TLS_INDEX
-  tls_index tmp =
-    {
-      .ti_module = map->l_tls_modid,
-      .ti_offset = ref->st_value
-    };
-
-  return __TLS_GET_ADDR (&tmp);
-#  else
-  return __TLS_GET_ADDR (map->l_tls_modid, ref->st_value);
-#  endif
-}
 
 
 static void *
diff --git a/sysdeps/generic/ldsodefs.h b/sysdeps/generic/ldsodefs.h
index 98294cb05d..e6e144f9eb 100644
--- a/sysdeps/generic/ldsodefs.h
+++ b/sysdeps/generic/ldsodefs.h
@@ -447,14 +447,74 @@ struct rtld_global_ro
 #endif
 
 #ifdef SHARED
+  /* We add a function table to _rtld_global which is then used to
+     call the function instead of going through the PLT.  The result
+     is that we can avoid exporting the functions and we do not jump
+     PLT relocations in libc.so.  */
+  const char *(*_dl_get_origin) (void);
+  size_t (*_dl_dst_count) (const char *, int);
+  char *(*_dl_dst_substitute) (struct link_map *, const char *, char *, int);
+  struct link_map *(internal_function *_dl_map_object) (struct link_map *,
+							const char *, int,
+							int, int, int);
+  void (internal_function *_dl_map_object_deps) (struct link_map *,
+						 struct link_map **,
+						 unsigned int, int, int);
+  void (*_dl_relocate_object) (struct link_map *, struct r_scope_elem *[],
+			       int, int);
+  int (internal_function *_dl_check_map_versions) (struct link_map *, int,
+						   int);
+  void (internal_function *_dl_init) (struct link_map *, int, char **,
+					char **);
+  void (*_dl_debug_state) (void);
+#ifndef MAP_COPY
+  void (*_dl_unload_cache) (void);
+#endif
+  void (*_dl_debug_printf) (const char *, ...)
+       __attribute__ ((__format__ (__printf__, 1, 2)));
+  int (internal_function *_dl_catch_error) (const char **, const char **,
+					    void (*) (void *), void *);
+  void (internal_function *_dl_signal_error) (int, const char *, const char *,
+					      const char *);
+  void (internal_function *_dl_start_profile) (struct link_map *,
+					       const char *);
+  void (*_dl_mcount) (ElfW(Addr) frompc, ElfW(Addr) selfpc);
+  lookup_t (internal_function *_dl_lookup_symbol) (const char *,
+						   struct link_map *,
+						   const ElfW(Sym) **,
+						   struct r_scope_elem *[],
+						   int, int);
+  lookup_t (internal_function *_dl_lookup_versioned_symbol) (const char *,
+							     struct link_map *,
+							     const ElfW(Sym) **,
+							     struct r_scope_elem *[],
+							     const struct r_found_version *,
+							     int, int);
+  lookup_t (internal_function *_dl_lookup_symbol_skip) (const char *,
+							struct link_map *,
+							const ElfW(Sym) **,
+							struct r_scope_elem *[],
+							struct link_map *);
+  lookup_t (internal_function *_dl_lookup_versioned_symbol_skip) (const char *,
+								  struct link_map *,
+								  const ElfW(Sym) **,
+								  struct r_scope_elem *[],
+								  const struct r_found_version *,
+								  struct link_map *);
+
 };
 # define __rtld_global_attribute__
 # ifdef IS_IN_rtld
 extern struct rtld_global_ro _rtld_local_ro
     attribute_relro __rtld_local_attribute__;
-# endif
 extern struct rtld_global_ro _rtld_global_ro
     attribute_relro __rtld_global_attribute__;
+# else
+/* We cheat a bit here.  We declare the variable as as const even
+   though it is at startup.  */
+extern const struct rtld_global_ro _rtld_global_ro
+    attribute_relro __rtld_global_attribute__;
+# endif
 #endif
 #undef EXTERN
 
@@ -518,10 +578,7 @@ extern int _dl_sysdep_open_zero_fill (void); /* dl-sysdep.c */
    interpreted as for a `printf' call.  All the lines start with a
    tag showing the PID.  */
 extern void _dl_debug_printf (const char *fmt, ...)
-     __attribute__ ((__format__ (__printf__, 1, 2)));
-extern void _dl_debug_printf_internal (const char *fmt, ...)
-     __attribute__ ((__format__ (__printf__, 1, 2)))
-     attribute_hidden;
+     __attribute__ ((__format__ (__printf__, 1, 2))) attribute_hidden;
 
 /* Write message on the debug file descriptor.  The parameters are
    interpreted as for a `printf' call.  All the lines buf the first
@@ -564,11 +621,6 @@ extern void _dl_dprintf (int fd, const char *fmt, ...)
    problem.  */
 extern void _dl_signal_error (int errcode, const char *object,
 			      const char *occurred, const char *errstring)
-     internal_function
-     __attribute__ ((__noreturn__));
-extern void _dl_signal_error_internal (int errcode, const char *object,
-				       const char *occurred,
-				       const char *errstring)
      internal_function __attribute__ ((__noreturn__)) attribute_hidden;
 
 /* Like _dl_signal_error, but may return when called in the context of
@@ -594,12 +646,6 @@ extern void _dl_receive_error (receiver_fct fct, void (*operate) (void *),
 extern struct link_map *_dl_map_object (struct link_map *loader,
 					const char *name, int preloaded,
 					int type, int trace_mode, int mode)
-     internal_function;
-extern struct link_map *_dl_map_object_internal (struct link_map *loader,
-						 const char *name,
-						 int preloaded,
-						 int type, int trace_mode,
-						 int mode)
      internal_function attribute_hidden;
 
 /* Call _dl_map_object on the dependencies of MAP, and set up
@@ -610,11 +656,6 @@ extern void _dl_map_object_deps (struct link_map *map,
 				 struct link_map **preloads,
 				 unsigned int npreloads, int trace_mode,
 				 int open_mode)
-     internal_function;
-extern void _dl_map_object_deps_internal (struct link_map *map,
-					  struct link_map **preloads,
-					  unsigned int npreloads,
-					  int trace_mode, int open_mode)
      internal_function attribute_hidden;
 
 /* Cache the locations of MAP's hash table.  */
@@ -646,12 +687,6 @@ extern lookup_t _dl_lookup_symbol (const char *undef,
 				   const ElfW(Sym) **sym,
 				   struct r_scope_elem *symbol_scope[],
 				   int type_class, int flags)
-     internal_function;
-extern lookup_t _dl_lookup_symbol_internal (const char *undef,
-					    struct link_map *undef_map,
-					    const ElfW(Sym) **sym,
-					    struct r_scope_elem *symbolscope[],
-					    int type_class, int flags)
      internal_function attribute_hidden;
 
 enum
@@ -670,14 +705,6 @@ extern lookup_t _dl_lookup_versioned_symbol (const char *undef,
 					     struct r_scope_elem *symbol_scope[],
 					     const struct r_found_version *version,
 					     int type_class, int explicit)
-     internal_function;
-extern lookup_t _dl_lookup_versioned_symbol_internal (const char *undef,
-						      struct link_map *undef_map,
-						      const ElfW(Sym) **sym,
-						      struct r_scope_elem *symbol_scope[],
-						      const struct r_found_version *version,
-						      int type_class,
-						      int explicit)
      internal_function attribute_hidden;
 
 /* For handling RTLD_NEXT we must be able to skip shared objects.  */
@@ -713,10 +740,7 @@ extern struct link_map *_dl_new_object (char *realname, const char *libname,
    If LAZY is nonzero, don't relocate its PLT.  */
 extern void _dl_relocate_object (struct link_map *map,
 				 struct r_scope_elem *scope[],
-				 int lazy, int consider_profiling);
-extern void _dl_relocate_object_internal (struct link_map *map,
-					  struct r_scope_elem *scope[],
-					  int lazy, int consider_profiling)
+				 int lazy, int consider_profiling)
      attribute_hidden;
 
 /* Protect PT_GNU_RELRO area.  */
@@ -750,7 +774,7 @@ extern int _dl_check_map_versions (struct link_map *map, int verbose,
 /* Initialize the object in SCOPE by calling the constructors with
    ARGC, ARGV, and ENV as the parameters.  */
 extern void _dl_init (struct link_map *main_map, int argc, char **argv,
-		      char **env) internal_function;
+		      char **env) internal_function attribute_hidden;
 
 /* Call the finalizer functions of all shared objects whose
    initializer functions have completed.  */
@@ -760,8 +784,7 @@ extern void _dl_fini (void) internal_function;
    any shared object mappings.  The `r_state' member of `struct r_debug'
    says what change is taking place.  This function's address is
    the value of the `r_brk' member.  */
-extern void _dl_debug_state (void);
-extern void _dl_debug_state_internal (void) attribute_hidden;
+extern void _dl_debug_state (void) attribute_hidden;
 
 /* Initialize `struct r_debug' if it has not already been done.  The
    argument is the run-time load address of the dynamic linker, to be put
@@ -775,9 +798,6 @@ extern void _dl_init_paths (const char *library_path) internal_function;
 /* Gather the information needed to install the profiling tables and start
    the timers.  */
 extern void _dl_start_profile (struct link_map *map, const char *output_dir)
-     internal_function;
-extern void _dl_start_profile_internal (struct link_map *map,
-					const char *output_dir)
      internal_function attribute_hidden;
 
 /* The actual functions used to keep book on the calls.  */
@@ -813,8 +833,7 @@ extern const char *_dl_load_cache_lookup (const char *name)
    all the time since this would create problems when the file is replaced.
    Therefore we provide this function to close the file and open it again
    once needed.  */
-extern void _dl_unload_cache (void);
-extern void _dl_unload_cache_internal (void) attribute_hidden;
+extern void _dl_unload_cache (void) attribute_hidden;
 
 /* System-dependent function to read a file's whole contents in the
    most convenient manner available.  *SIZEP gets the size of the
@@ -871,15 +890,20 @@ rtld_hidden_proto (_dl_allocate_tls_init)
 extern void _dl_deallocate_tls (void *tcb, bool dealloc_tcb) internal_function;
 rtld_hidden_proto (_dl_deallocate_tls)
 
-/* Return the symbol address given the map of the module it is in and
-   the symbol record.  */
-extern void *_dl_tls_symaddr (struct link_map *map, const ElfW(Sym) *ref)
-     internal_function;
-
 #if defined USE_TLS
 extern void _dl_nothread_init_static_tls (struct link_map *) attribute_hidden;
 #endif
 
+/* Find origin of the executable.  */
+extern const char *_dl_get_origin (void) attribute_hidden;
+
+/* Count DSTs.  */
+extern size_t _dl_dst_count (const char *name, int is_path) attribute_hidden;
+
+/* Substitute DST values.  */
+extern char *_dl_dst_substitute (struct link_map *l, const char *name,
+				 char *result, int is_path) attribute_hidden;
+
 __END_DECLS
 
 #endif /* ldsodefs.h */
diff --git a/sysdeps/generic/libc-start.c b/sysdeps/generic/libc-start.c
index 9edbf8e123..b92ab04fdb 100644
--- a/sysdeps/generic/libc-start.c
+++ b/sysdeps/generic/libc-start.c
@@ -174,7 +174,7 @@ LIBC_START_MAIN (int (*main) (int, char **, char ** MAIN_AUXVEC_DECL),
   /* Call the initializer of the program, if any.  */
 #ifdef SHARED
   if (__builtin_expect (GLRO(dl_debug_mask) & DL_DEBUG_IMPCALLS, 0))
-    _dl_debug_printf ("\ninitialize program: %s\n\n", argv[0]);
+    GLRO(dl_debug_printf) ("\ninitialize program: %s\n\n", argv[0]);
 #endif
   if (init)
     (*init) (
@@ -185,7 +185,7 @@ LIBC_START_MAIN (int (*main) (int, char **, char ** MAIN_AUXVEC_DECL),
 
 #ifdef SHARED
   if (__builtin_expect (GLRO(dl_debug_mask) & DL_DEBUG_IMPCALLS, 0))
-    _dl_debug_printf ("\ntransferring control: %s\n\n", argv[0]);
+    GLRO(dl_debug_printf) ("\ntransferring control: %s\n\n", argv[0]);
 #endif
 
 #ifdef HAVE_CLEANUP_JMP_BUF