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authorThomas Schwinge <thomas@codesourcery.com>2012-11-01 19:41:23 +0100
committerThomas Schwinge <thomas@codesourcery.com>2012-11-01 19:41:23 +0100
commit6f796e1b5252490e23d42a0aa3a5c35e28f1f5af (patch)
treeac8dbac9d4d39f5a2f555ef14ee0b08683294a04 /sysdeps/mach/hurd/powerpc/init-first.c
parent4da224a2d13ef3e42ad1dd2b5d47556963352cbd (diff)
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Remove PowerPC sysdep files for GNU Hurd and GNU Mach.
Diffstat (limited to 'sysdeps/mach/hurd/powerpc/init-first.c')
-rw-r--r--sysdeps/mach/hurd/powerpc/init-first.c342
1 files changed, 0 insertions, 342 deletions
diff --git a/sysdeps/mach/hurd/powerpc/init-first.c b/sysdeps/mach/hurd/powerpc/init-first.c
deleted file mode 100644
index 9531b5a6e6..0000000000
--- a/sysdeps/mach/hurd/powerpc/init-first.c
+++ /dev/null
@@ -1,342 +0,0 @@
-/* Initialization code run first thing by the ELF startup code.  PowerPC/Hurd.
-   Copyright (C) 1995-2012 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, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include <assert.h>
-#include <ctype.h>
-#include <hurd.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <string.h>
-#include <sysdep.h>
-#include <set-hooks.h>
-#include "hurdstartup.h"
-#include "hurdmalloc.h"		/* XXX */
-
-extern void __mach_init (void);
-extern void __init_misc (int, char **, char **);
-#ifdef USE_NONOPTION_FLAGS
-extern void __getopt_clean_environment (char **);
-#endif
-#ifndef SHARED
-extern void _dl_non_dynamic_init (void) internal_function;
-#endif
-extern void __libc_global_ctors (void);
-
-unsigned int __hurd_threadvar_max;
-unsigned long int __hurd_threadvar_stack_offset;
-unsigned long int __hurd_threadvar_stack_mask;
-
-#ifndef SHARED
-int __libc_enable_secure;
-#endif
-int __libc_multiple_libcs attribute_hidden = 1;
-
-extern int __libc_argc attribute_hidden;
-extern char **__libc_argv attribute_hidden;
-extern char **_dl_argv;
-
-void *(*_cthread_init_routine) (void); /* Returns new SP to use.  */
-void (*_cthread_exit_routine) (int status) __attribute__ ((__noreturn__));
-
-#ifndef SHARED
-static unsigned int return_address;  /* Make init1 return to _start.  */
-#endif
-
-/* Things that want to be run before _hurd_init or much anything else.
-   Importantly, these are called before anything tries to use malloc.  */
-DEFINE_HOOK (_hurd_preinit_hook, (void));
-
-
-/* We call this once the Hurd magic is all set up and we are ready to be a
-   Posixoid program.  This does the same things the generic version does.  */
-static void internal_function
-posixland_init (int argc, char **argv, char **envp)
-{
-  asm ("li 3,0xbb; .long 0");
-  __libc_argc = argc;
-  __libc_argv = argv;
-  __environ = envp;
-
-#ifndef SHARED
-  _dl_non_dynamic_init ();
-#endif
-  __init_misc (argc, argv, envp);
-
-#ifdef USE_NONOPTION_FLAGS
-  /* This is a hack to make the special getopt in GNU libc working.  */
-  __getopt_clean_environment (__environ);
-#endif
-
-  /* Initialize ctype data.  */
-  __ctype_init ();
-
-#if defined SHARED && !defined NO_CTORS_DTORS_SECTIONS
-  __libc_global_ctors ();
-#endif
-}
-
-
-static void
-init1 (int *data)
-{
-  int argc = *data;
-  char **argv = (char **) &data[1];
-  char **envp = &argv[argc + 1];
-  struct hurd_startup_data *d;
-
-  while (*envp)
-    ++envp;
-  d = (void *) ++envp;
-
-  /* If we are the bootstrap task started by the kernel,
-     then after the environment pointers there is no Hurd
-     data block; the argument strings start there.  */
-  /* OSF Mach starts the bootstrap task with argc == 0.
-     XXX This fails if a non-bootstrap task gets started
-     with argc == 0.  */
-  if (argc && (void *) d != argv[0])
-    {
-      _hurd_init_dtable = d->dtable;
-      _hurd_init_dtablesize = d->dtablesize;
-
-#if 0  /* We can't free the old stack because it contains the argument strings.  */
-      {
-	/* Check if the stack we are now on is different from
-	   the one described by _hurd_stack_{base,size}.  */
-
-	char dummy;
-	const vm_address_t newsp = (vm_address_t) &dummy;
-
-	if (d->stack_size != 0 && (newsp < d->stack_base ||
-				   newsp - d->stack_base > d->stack_size))
-	  /* The new stack pointer does not intersect with the
-	     stack the exec server set up for us, so free that stack.  */
-	  __vm_deallocate (__mach_task_self (), d->stack_base, d->stack_size);
-      }
-#endif
-    }
-
-  if (argc && (void *) d != argv[0] && (d->portarray || d->intarray))
-    /* Initialize library data structures, start signal processing, etc.  */
-    _hurd_init (d->flags, argv,
-		d->portarray, d->portarraysize,
-		d->intarray, d->intarraysize);
-
-#ifndef SHARED
-  __libc_enable_secure = d->flags & EXEC_SECURE;
-#endif
-}
-
-
-static inline void
-init (int *data)
-{
-  int argc = *data;
-  char **argv = (void *) (data + 1);
-  char **envp = &argv[argc + 1];
-  struct hurd_startup_data *d;
-  unsigned long int threadvars[_HURD_THREADVAR_MAX];
-
-  /* Provide temporary storage for thread-specific variables on the startup
-     stack so the cthreads initialization code can use them for malloc et al,
-     or so we can use malloc below for the real threadvars array.  */
-  memset (threadvars, 0, sizeof threadvars);
-  __hurd_threadvar_stack_offset = (unsigned long int) threadvars;
-
-  while (*envp)
-    ++envp;
-  d = (void *) ++envp;
-
-  /* The user might have defined a value for this, to get more variables.
-     Otherwise it will be zero on startup.  We must make sure it is set
-     properly before before cthreads initialization, so cthreads can know
-     how much space to leave for thread variables.  */
-  if (__hurd_threadvar_max < _HURD_THREADVAR_MAX)
-    __hurd_threadvar_max = _HURD_THREADVAR_MAX;
-
-
-  /* After possibly switching stacks, call `init1' (above) with the user
-     code as the return address, and the argument data immediately above
-     that on the stack.  */
-
-  if (_cthread_init_routine)
-    {
-      /* Initialize cthreads, which will allocate us a new stack to run on.  */
-      void *newsp = (*_cthread_init_routine) ();
-      struct hurd_startup_data *od;
-#ifdef SHARED
-      void *oldsp;
-      unsigned int i, data_offset;
-#endif
-
-      /* Copy per-thread variables from that temporary
-	 area onto the new cthread stack.  */
-      memcpy (__hurd_threadvar_location_from_sp (0, newsp),
-	      threadvars, sizeof threadvars);
-
-      /* Copy the argdata from the old stack to the new one.  */
-      newsp = memcpy (newsp - ((char *) &d[1] - (char *) data), data,
-		      (char *) d - (char *) data);
-
-#ifdef SHARED
-      /* And readjust the dynamic linker's idea of where the argument
-         vector lives.  */
-      assert (_dl_argv == argv);
-      _dl_argv = (void *) ((int *) newsp + 1);
-#endif
-
-      /* Set up the Hurd startup data block immediately following
-	 the argument and environment pointers on the new stack.  */
-      od = (newsp + ((char *) d - (char *) data));
-      if (!argc || (void *) argv[0] == d)
-	/* We were started up by the kernel with arguments on the stack.
-	   There is no Hurd startup data, so zero the block.  */
-	memset (od, 0, sizeof *od);
-      else
-	/* Copy the Hurd startup data block to the new stack.  */
-	*od = *d;
-
-#ifndef SHARED
-      asm ("mtlr %0; mr 1,%1; li 0,0; mr 3,%1; stwu 0,-16(1); b init1"
-	   : : "r" (return_address), "r" (newsp));
-      (void) init1;  /* To avoid `defined but not used' warning.  */
-      /* NOTREACHED */
-#else
-      /* Copy the rest of the stack.  Don't call a function to do that,
-	 because that will alter the current stack.  */
-      asm ("mr %0,1" : "=r" (oldsp));
-      data_offset = (unsigned int) data - (unsigned int) oldsp;
-      newsp -= data_offset;
-      for (i = 0; i < data_offset / 4; i++)
-        ((unsigned int *)newsp)[i] = ((unsigned int *)oldsp)[i];
-
-      /* Relocate stack frames.  */
-      {
-	unsigned int *oldframe0 = (unsigned int *)oldsp;
-	unsigned int *oldframe1 = *(unsigned int **)oldframe0;
-	unsigned int *oldframe2 = *(unsigned int **)oldframe1;
-	unsigned int *newframe0 = (unsigned int *)newsp;
-	unsigned int *newframe1 = newframe0 + (unsigned int)(oldframe1 - oldframe0);
-	unsigned int *newframe2 = newframe1 + (unsigned int)(oldframe2 - oldframe1);
-	*(unsigned int **)newframe0 = newframe1;
-	*(unsigned int **)newframe1 = newframe2;
-      }
-
-      asm ("mr 1,%0; mr 31,%0" : : "r" (newsp));  /* XXX */
-      init1 (newsp + data_offset);
-#endif
-    }
-  else
-    {
-      /* We are not using cthreads, so we will have just a single allocated
-	 area for the per-thread variables of the main user thread.  */
-      unsigned long int *array;
-      unsigned int i;
-
-      array = malloc (__hurd_threadvar_max * sizeof (unsigned long int));
-      if (array == NULL)
-	__libc_fatal ("Can't allocate single-threaded thread variables.");
-
-      /* Copy per-thread variables from the temporary array into the
-	 newly malloc'd space.  */
-      memcpy (array, threadvars, sizeof threadvars);
-      __hurd_threadvar_stack_offset = (unsigned long int) array;
-      for (i = _HURD_THREADVAR_MAX; i < __hurd_threadvar_max; ++i)
-	array[i] = 0;
-
-#ifndef SHARED
-      asm ("mr 3,%0; mtlr %1; addi 1,3,-16; b init1"
-	   : : "r" (data), "r" (return_address));
-      /* NOTREACHED */
-#else
-      init1 (data);
-#endif
-    }
-}
-
-
-/* Do the first essential initializations that must precede all else.  */
-static inline void
-first_init (void)
-{
-  /* Initialize data structures so we can do RPCs.  */
-  __mach_init ();
-
-  RUN_HOOK (_hurd_preinit_hook, ());
-}
-
-#ifdef SHARED
-/* This function is called specially by the dynamic linker to do early
-   initialization of the shared C library before normal initializers
-   expecting a Posixoid environment can run.  It gets called with the
-   stack set up just as the user will see it, so it can switch stacks.  */
-
-void
-_dl_init_first (int argc, ...)
-{
-  asm ("li 3,0xaa; .long 0");
-  first_init ();
-
-  init (&argc);
-}
-#endif
-
-
-#ifdef SHARED
-/* The regular posixland initialization is what goes into libc's
-   normal initializer.  */
-/* NOTE!  The linker notices the magical name `_init' and sets the DT_INIT
-   pointer in the dynamic section based solely on that.  It is convention
-   for this function to be in the `.init' section, but the symbol name is
-   the only thing that really matters!!  */
-strong_alias (posixland_init, _init);
-
-
-void
-__libc_init_first (int argc, char **argv, char **envp)
-{
-  /* Everything was done in the shared library initializer, _init.  */
-}
-#else
-strong_alias (posixland_init, __libc_init_first);
-
-
-void
-_hurd_stack_setup (int *data)
-{
-  register unsigned int address;
-  asm ("mflr %0" : "=r" (address));
-  return_address = address;
-
-  first_init ();
-
-  _hurd_startup ((void **) data, &init);
-}
-#endif
-
-
-/* This function is defined here so that if this file ever gets into
-   ld.so we will get a link error.  Having this file silently included
-   in ld.so causes disaster, because the _init definition above will
-   cause ld.so to gain an init function, which is not a cool thing. */
-
-void
-_dl_start (void)
-{
-  abort ();
-}