Update.

2002-03-14  Ulrich Drepper  <drepper@redhat.com>

	* elf/dl-minimal.c (malloc): Declare _end as hidden.
	(__errno_location): New function.  Declare errno as hidden.
	* elf/rtld.c (_dl_argc): Define as hidden.
	(_dl_skip_args): Define as hidden.
	(_begin, _end): Declare as hidden.
	* sysdeps/generic/dl-sysdep.c (_end): Declare as hidden.
	* sysdeps/generic/entry.h (_start): Declare as hidden.
	* sysdeps/generic/ldsodefs.h (_dl_argc): Declare as hidden.
	* sysdeps/i386/dl-machine.h (elf_machine_runtime_setup): Declare
	_dl_runtime_resolve and _dl_runtime_profile as hidden.
	(RTLD_START): Use GOTOFF to access _dl_skip_args and _dl_fini.

diff --git a/ChangeLog b/ChangeLog
index a361c16..2941007 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,17 @@
+2002-03-14  Ulrich Drepper  <drepper@redhat.com>
+
+       * elf/dl-minimal.c (malloc): Declare _end as hidden.
+       (__errno_location): New function.  Declare errno as hidden.
+       * elf/rtld.c (_dl_argc): Define as hidden.
+       (_dl_skip_args): Define as hidden.
+       (_begin, _end): Declare as hidden.
+       * sysdeps/generic/dl-sysdep.c (_end): Declare as hidden.
+       * sysdeps/generic/entry.h (_start): Declare as hidden.
+       * sysdeps/generic/ldsodefs.h (_dl_argc): Declare as hidden.
+       * sysdeps/i386/dl-machine.h (elf_machine_runtime_setup): Declare
+       _dl_runtime_resolve and _dl_runtime_profile as hidden.
+       (RTLD_START): Use GOTOFF to access _dl_skip_args and _dl_fini.
+
 2002-03-14  Roland McGrath  <roland@frob.com>
 
        * Makerules ($(common-objpfx)Versions.v.i): Depend on abi-versions.h.

diff --git a/elf/rtld.c b/elf/rtld.c
index 97acf20..57b9e5f 100644 (file)
--- a/elf/rtld.c
+++ b/elf/rtld.c
@@ -58,10 +58,12 @@ enum mode { normal, list, verify, trace };
    all the entries.  */
 static void process_envvars (enum mode *modep);
 
-int _dl_argc;
+int _dl_argc attribute_hidden;
 char **_dl_argv = NULL;
 INTDEF(_dl_argv)
-unsigned int _dl_skip_args;    /* Nonzero if we were run directly.  */
+
+/* Nonzero if we were run directly.  */
+unsigned int _dl_skip_args attribute_hidden;
 
 /* Set nonzero during loading and initialization of executable and
    libraries, cleared before the executable's entry point runs.  This
@@ -216,7 +218,8 @@ _dl_start_final (void *arg, struct link_map *bootstrap_map_p,
      way to do this so we use this trick.  gcc never inlines functions
      which use `alloca'.  */
   ElfW(Addr) *start_addr = alloca (sizeof (ElfW(Addr)));
-  extern char _begin[], _end[];
+  extern char _begin[] attribute_hidden;
+  extern char _end[] attribute_hidden;
 #ifdef USE_TLS
   ElfW(Ehdr) *ehdr;
   ElfW(Phdr) *phdr;

diff --git a/sysdeps/generic/dl-sysdep.c b/sysdeps/generic/dl-sysdep.c
index 45980ee..36b1150 100644 (file)
--- a/sysdeps/generic/dl-sysdep.c
+++ b/sysdeps/generic/dl-sysdep.c
@@ -39,7 +39,7 @@
 #include <hp-timing.h>
 
 extern char **_environ;
-extern void _end;
+extern void _end attribute_hidden;
 
 /* Protect SUID program against misuse of file descriptors.  */
 extern void __libc_check_standard_fds (void);

diff --git a/sysdeps/generic/entry.h b/sysdeps/generic/entry.h
index 2f17ce8..16d3e30 100644 (file)
--- a/sysdeps/generic/entry.h
+++ b/sysdeps/generic/entry.h
@@ -1,5 +1,5 @@
 #ifndef __ASSEMBLY__
-extern void _start (void);
+extern void _start (void) attribute_hidden;
 #endif
 
 #define ENTRY_POINT _start

diff --git a/sysdeps/generic/ldsodefs.h b/sysdeps/generic/ldsodefs.h
index 4aa5621..d2dd3e6 100644 (file)
--- a/sysdeps/generic/ldsodefs.h
+++ b/sysdeps/generic/ldsodefs.h
@@ -392,7 +392,7 @@ extern struct rtld_global _rtld_local __rtld_local_attribute__;
 #undef EXTERN
 
 /* Parameters passed to the dynamic linker.  */
-extern int _dl_argc;
+extern int _dl_argc attribute_hidden;
 extern char **_dl_argv;
 #ifdef _RTLD_LOCAL
 extern char **_dl_argv_internal attribute_hidden;

diff --git a/sysdeps/i386/dl-machine.h b/sysdeps/i386/dl-machine.h
index 3edfb00..37ec728 100644 (file)
--- a/sysdeps/i386/dl-machine.h
+++ b/sysdeps/i386/dl-machine.h
@@ -79,8 +79,8 @@ static inline int __attribute__ ((unused))
 elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
 {
   Elf32_Addr *got;
-  extern void _dl_runtime_resolve (Elf32_Word);
-  extern void _dl_runtime_profile (Elf32_Word);
+  extern void _dl_runtime_resolve (Elf32_Word) attribute_hidden;
+  extern void _dl_runtime_profile (Elf32_Word) attribute_hidden;
 
   if (l->l_info[DT_JMPREL] && lazy)
     {
@@ -223,8 +223,7 @@ _dl_start_user:\n\
        movl %esp, (%eax)\n\
        # See if we were run as a command with the executable file\n\
        # name as an extra leading argument.\n\
-       movl _dl_skip_args@GOT(%ebx), %eax\n\
-       movl (%eax), %eax\n\
+       movl _dl_skip_args@GOTOFF(%ebx), %eax\n\
        # Pop the original argument count.\n\
        popl %edx\n\
        # Adjust the stack pointer to skip _dl_skip_args words.\n\
@@ -246,7 +245,7 @@ _dl_start_user:\n\
        # Call the function to run the initializers.\n\
        call _dl_init_internal@PLT\n\
        # Pass our finalizer function to the user in %edx, as per ELF ABI.\n\
-       movl _dl_fini@GOT(%ebx), %edx\n\
+       leal _dl_fini@GOTOFF(%ebx), %edx\n\
        # Jump to the user's entry point.\n\
        jmp *%edi\n\
        .previous\n\