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authorUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
committerUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
commita334319f6530564d22e775935d9c91663623a1b4 (patch)
treeb5877475619e4c938e98757d518bb1e9cbead751 /csu/libc-start.c
parent0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff)
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(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
Diffstat (limited to 'csu/libc-start.c')
-rw-r--r--csu/libc-start.c263
1 files changed, 0 insertions, 263 deletions
diff --git a/csu/libc-start.c b/csu/libc-start.c
deleted file mode 100644
index 194db6b1ec..0000000000
--- a/csu/libc-start.c
+++ /dev/null
@@ -1,263 +0,0 @@
-/* Copyright (C) 1998-2003, 2004, 2005 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
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, write to the Free
-   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-   02111-1307 USA.  */
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <ldsodefs.h>
-#include <bp-start.h>
-#include <bp-sym.h>
-
-extern void __libc_init_first (int argc, char **argv, char **envp);
-
-extern int __libc_multiple_libcs;
-
-#include <tls.h>
-#ifndef SHARED
-# include <dl-osinfo.h>
-extern void __pthread_initialize_minimal (void)
-# if !(USE_TLS - 0) && !defined NONTLS_INIT_TP
-     __attribute__ ((weak))
-# endif
-     ;
-# ifndef THREAD_SET_STACK_GUARD
-/* Only exported for architectures that don't store the stack guard canary
-   in thread local area.  */
-uintptr_t __stack_chk_guard attribute_relro;
-# endif
-#endif
-
-#ifdef HAVE_PTR_NTHREADS
-/* We need atomic operations.  */
-# include <atomic.h>
-#endif
-
-
-#ifdef LIBC_START_MAIN
-# ifdef LIBC_START_DISABLE_INLINE
-#  define STATIC static
-# else
-#  define STATIC static inline __attribute__ ((always_inline))
-# endif
-#else
-# define STATIC
-# define LIBC_START_MAIN BP_SYM (__libc_start_main)
-#endif
-
-#ifdef MAIN_AUXVEC_ARG
-/* main gets passed a pointer to the auxiliary.  */
-# define MAIN_AUXVEC_DECL	, void *
-# define MAIN_AUXVEC_PARAM	, auxvec
-#else
-# define MAIN_AUXVEC_DECL
-# define MAIN_AUXVEC_PARAM
-#endif
-
-STATIC int LIBC_START_MAIN (int (*main) (int, char **, char **
-					 MAIN_AUXVEC_DECL),
-			    int argc,
-			    char *__unbounded *__unbounded ubp_av,
-#ifdef LIBC_START_MAIN_AUXVEC_ARG
-			    ElfW(auxv_t) *__unbounded auxvec,
-#endif
-			    __typeof (main) init,
-			    void (*fini) (void),
-			    void (*rtld_fini) (void),
-			    void *__unbounded stack_end)
-     __attribute__ ((noreturn));
-
-
-/* Note: the fini parameter is ignored here for shared library.  It
-   is registered with __cxa_atexit.  This had the disadvantage that
-   finalizers were called in more than one place.  */
-STATIC int
-LIBC_START_MAIN (int (*main) (int, char **, char ** MAIN_AUXVEC_DECL),
-		 int argc, char *__unbounded *__unbounded ubp_av,
-#ifdef LIBC_START_MAIN_AUXVEC_ARG
-		 ElfW(auxv_t) *__unbounded auxvec,
-#endif
-		 __typeof (main) init,
-		 void (*fini) (void),
-		 void (*rtld_fini) (void), void *__unbounded stack_end)
-{
-#if __BOUNDED_POINTERS__
-  char **argv;
-#else
-# define argv ubp_av
-#endif
-
-  /* Result of the 'main' function.  */
-  int result;
-
-  __libc_multiple_libcs = &_dl_starting_up && !_dl_starting_up;
-
-#ifndef SHARED
-  char *__unbounded *__unbounded ubp_ev = &ubp_av[argc + 1];
-
-  INIT_ARGV_and_ENVIRON;
-
-  /* Store the lowest stack address.  This is done in ld.so if this is
-     the code for the DSO.  */
-  __libc_stack_end = stack_end;
-
-# ifdef HAVE_AUX_VECTOR
-  /* First process the auxiliary vector since we need to find the
-     program header to locate an eventually present PT_TLS entry.  */
-#  ifndef LIBC_START_MAIN_AUXVEC_ARG
-  ElfW(auxv_t) *__unbounded auxvec;
-  {
-    char *__unbounded *__unbounded evp = ubp_ev;
-    while (*evp++ != NULL)
-      ;
-    auxvec = (ElfW(auxv_t) *__unbounded) evp;
-  }
-#  endif
-  _dl_aux_init (auxvec);
-# endif
-# ifdef DL_SYSDEP_OSCHECK
-  if (!__libc_multiple_libcs)
-    {
-      /* This needs to run to initiliaze _dl_osversion before TLS
-	 setup might check it.  */
-      DL_SYSDEP_OSCHECK (__libc_fatal);
-    }
-# endif
-
-  /* Initialize the thread library at least a bit since the libgcc
-     functions are using thread functions if these are available and
-     we need to setup errno.  If there is no thread library and we
-     handle TLS the function is defined in the libc to initialized the
-     TLS handling.  */
-# if !(USE_TLS - 0) && !defined NONTLS_INIT_TP
-  if (__pthread_initialize_minimal)
-# endif
-    __pthread_initialize_minimal ();
-#endif
-
-# ifndef SHARED
-  /* Set up the stack checker's canary.  */
-  uintptr_t stack_chk_guard = _dl_setup_stack_chk_guard ();
-#  ifdef THREAD_SET_STACK_GUARD
-  THREAD_SET_STACK_GUARD (stack_chk_guard);
-#  else
-  __stack_chk_guard = stack_chk_guard;
-#  endif
-#endif
-
-  /* Register the destructor of the dynamic linker if there is any.  */
-  if (__builtin_expect (rtld_fini != NULL, 1))
-    __cxa_atexit ((void (*) (void *)) rtld_fini, NULL, NULL);
-
-#ifndef SHARED
-  /* Call the initializer of the libc.  This is only needed here if we
-     are compiling for the static library in which case we haven't
-     run the constructors in `_dl_start_user'.  */
-  __libc_init_first (argc, argv, __environ);
-
-  /* Register the destructor of the program, if any.  */
-  if (fini)
-    __cxa_atexit ((void (*) (void *)) fini, NULL, NULL);
-
-  /* Some security at this point.  Prevent starting a SUID binary where
-     the standard file descriptors are not opened.  We have to do this
-     only for statically linked applications since otherwise the dynamic
-     loader did the work already.  */
-  if (__builtin_expect (__libc_enable_secure, 0))
-    __libc_check_standard_fds ();
-#endif
-
-  /* Call the initializer of the program, if any.  */
-#ifdef SHARED
-  if (__builtin_expect (GLRO(dl_debug_mask) & DL_DEBUG_IMPCALLS, 0))
-    GLRO(dl_debug_printf) ("\ninitialize program: %s\n\n", argv[0]);
-#endif
-  if (init)
-    (*init) (argc, argv, __environ MAIN_AUXVEC_PARAM);
-
-#ifdef SHARED
-  /* Auditing checkpoint: we have a new object.  */
-  if (__builtin_expect (GLRO(dl_naudit) > 0, 0))
-    {
-      struct audit_ifaces *afct = GLRO(dl_audit);
-      struct link_map *head = GL(dl_ns)[LM_ID_BASE]._ns_loaded;
-      for (unsigned int cnt = 0; cnt < GLRO(dl_naudit); ++cnt)
-	{
-	  if (afct->preinit != NULL)
-	    afct->preinit (&head->l_audit[cnt].cookie);
-
-	  afct = afct->next;
-	}
-    }
-#endif
-
-#ifdef SHARED
-  if (__builtin_expect (GLRO(dl_debug_mask) & DL_DEBUG_IMPCALLS, 0))
-    GLRO(dl_debug_printf) ("\ntransferring control: %s\n\n", argv[0]);
-#endif
-
-#ifdef HAVE_CLEANUP_JMP_BUF
-  /* Memory for the cancellation buffer.  */
-  struct pthread_unwind_buf unwind_buf;
-
-  int not_first_call;
-  not_first_call = setjmp ((struct __jmp_buf_tag *) unwind_buf.cancel_jmp_buf);
-  if (__builtin_expect (! not_first_call, 1))
-    {
-      struct pthread *self = THREAD_SELF;
-
-      /* Store old info.  */
-      unwind_buf.priv.data.prev = THREAD_GETMEM (self, cleanup_jmp_buf);
-      unwind_buf.priv.data.cleanup = THREAD_GETMEM (self, cleanup);
-
-      /* Store the new cleanup handler info.  */
-      THREAD_SETMEM (self, cleanup_jmp_buf, &unwind_buf);
-
-      /* Run the program.  */
-      result = main (argc, argv, __environ MAIN_AUXVEC_PARAM);
-    }
-  else
-    {
-      /* Remove the thread-local data.  */
-# ifdef SHARED
-      __libc_pthread_functions.ptr__nptl_deallocate_tsd ();
-# else
-      extern void __nptl_deallocate_tsd (void) __attribute ((weak));
-      __nptl_deallocate_tsd ();
-# endif
-
-      /* One less thread.  Decrement the counter.  If it is zero we
-	 terminate the entire process.  */
-      result = 0;
-# ifdef SHARED
-      unsigned int *const ptr = __libc_pthread_functions.ptr_nthreads;
-# else
-      extern unsigned int __nptl_nthreads __attribute ((weak));
-      unsigned int *const ptr = &__nptl_nthreads;
-# endif
-
-      if (! atomic_decrement_and_test (ptr))
-	/* Not much left to do but to exit the thread, not the process.  */
-	__exit_thread (0);
-    }
-#else
-  /* Nothing fancy, just call the function.  */
-  result = main (argc, argv, __environ MAIN_AUXVEC_PARAM);
-#endif
-
-  exit (result);
-}