Update copyright dates with scripts/update-copyrights.

[thirdparty/glibc.git] / sysdeps / unix / sysv / linux / powerpc / libc-start.c

diff --git a/sysdeps/unix/sysv/linux/powerpc/libc-start.c b/sysdeps/unix/sysv/linux/powerpc/libc-start.c
index d1f321c44dfbdee7010511960ef6213f5a6038e8..4fd5f7070008054c533b1856cb2c340d034568c8 100644 (file)
--- a/sysdeps/unix/sysv/linux/powerpc/libc-start.c
+++ b/sysdeps/unix/sysv/linux/powerpc/libc-start.c
@@ -1,5 +1,4 @@
-/* Copyright (C) 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2007
-   Free Software Foundation, Inc.
+/* Copyright (C) 1998-2019 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
@@ -13,49 +12,18 @@
    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.  */
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
 
 #include <stdlib.h>
 #include <unistd.h>
 #include <ldsodefs.h>
 #include <sysdep.h>
-#include <bp-start.h>
-#include <bp-sym.h>
 
-
-#ifdef SHARED
-# include <sys/time.h>
-# include <dl-vdso.h>
-# undef __gettimeofday
-# undef __clock_gettime
-# undef __clock_getres
-# include <bits/libc-vdso.h>
-
-void *__vdso_gettimeofday attribute_hidden;
-void *__vdso_clock_gettime;
-void *__vdso_clock_getres;
-void *__vdso_get_tbfreq;
-
-static inline void
-_libc_vdso_platform_setup (void)
-{
-  PREPARE_VERSION (linux2615, "LINUX_2.6.15", 123718565);
-
-  __vdso_gettimeofday = _dl_vdso_vsym ("__kernel_gettimeofday", &linux2615);
-
-  __vdso_clock_gettime = _dl_vdso_vsym ("__kernel_clock_gettime", &linux2615);
-
-  __vdso_clock_getres = _dl_vdso_vsym ("__kernel_clock_getres", &linux2615);
-
-  __vdso_get_tbfreq = _dl_vdso_vsym ("__kernel_vdso_get_tbfreq", &linux2615);
-}
-
-# define VDSO_SETUP _libc_vdso_platform_setup
+#ifndef SHARED
+#include <hwcapinfo.h>
 #endif
 
-
 int __cache_line_size attribute_hidden;
 /* The main work is done in the generic function.  */
 #define LIBC_START_MAIN generic_start_main
@@ -67,43 +35,35 @@ int __cache_line_size attribute_hidden;
 
 struct startup_info
   {
-    void *__unbounded sda_base;
+    void *sda_base;
     int (*main) (int, char **, char **, void *);
     int (*init) (int, char **, char **, void *);
     void (*fini) (void);
   };
 
 int
-/* GKM FIXME: GCC: this should get __BP_ prefix by virtue of the
-   BPs in the arglist of startup_info.main and startup_info.init. */
-  BP_SYM (__libc_start_main) (int argc, char *__unbounded *__unbounded ubp_av,
-                             char *__unbounded *__unbounded ubp_ev,
-                             ElfW (auxv_t) * __unbounded auxvec,
-                             void (*rtld_fini) (void),
-                             struct startup_info *__unbounded stinfo,
-                             char *__unbounded *__unbounded stack_on_entry)
+__libc_start_main (int argc, char **argv,
+                  char **ev,
+                  ElfW (auxv_t) * auxvec,
+                  void (*rtld_fini) (void),
+                  struct startup_info *stinfo,
+                  char **stack_on_entry)
 {
-#if __BOUNDED_POINTERS__
-  char **argv;
-#else
-# define argv ubp_av
-#endif
-
   /* the PPC SVR4 ABI says that the top thing on the stack will
      be a NULL pointer, so if not we assume that we're being called
      as a statically-linked program by Linux...  */
   if (*stack_on_entry != NULL)
     {
-      char *__unbounded * __unbounded temp;
+      char **temp;
       /* ...in which case, we have argc as the top thing on the
          stack, followed by argv (NULL-terminated), envp (likewise),
-         and the auxilary vector.  */
+         and the auxiliary vector.  */
       /* 32/64-bit agnostic load from stack */
-      argc = *(long int *__unbounded) stack_on_entry;
-      ubp_av = stack_on_entry + 1;
-      ubp_ev = ubp_av + argc + 1;
+      argc = *(long int *) stack_on_entry;
+      argv = stack_on_entry + 1;
+      ev = argv + argc + 1;
 #ifdef HAVE_AUX_VECTOR
-      temp = ubp_ev;
+      temp = ev;
       while (*temp != NULL)
        ++temp;
       auxvec = (ElfW (auxv_t) *)++ temp;
@@ -111,16 +71,35 @@ int
       rtld_fini = NULL;
     }
 
-  /* Initialize the __cache_line_size variable from the aux vector.  */
+  /* Initialize the __cache_line_size variable from the aux vector.  For the
+     static case, we also need _dl_hwcap, _dl_hwcap2 and _dl_platform, so we
+     can call __tcb_parse_hwcap_and_convert_at_platform ().  */
   for (ElfW (auxv_t) * av = auxvec; av->a_type != AT_NULL; ++av)
     switch (av->a_type)
       {
       case AT_DCACHEBSIZE:
        __cache_line_size = av->a_un.a_val;
        break;
+#ifndef SHARED
+      case AT_HWCAP:
+       _dl_hwcap = (unsigned long int) av->a_un.a_val;
+       break;
+      case AT_HWCAP2:
+       _dl_hwcap2 = (unsigned long int) av->a_un.a_val;
+       break;
+      case AT_PLATFORM:
+       _dl_platform = (void *) av->a_un.a_val;
+       break;
+#endif
       }
 
-  return generic_start_main (stinfo->main, argc, ubp_av, auxvec,
+  /* Initialize hwcap/hwcap2 and platform data so it can be copied to
+     the TCB later in __libc_setup_tls (). (static case only).  */
+#ifndef SHARED
+  __tcb_parse_hwcap_and_convert_at_platform ();
+#endif
+
+  return generic_start_main (stinfo->main, argc, argv, auxvec,
                             stinfo->init, stinfo->fini, rtld_fini,
                             stack_on_entry);
 }