Ancient files moved to ports repository

1 files changed, 0 insertions, 391 deletions

diff --git a/sysdeps/cris/dl-machine.h b/sysdeps/cris/dl-machine.h
deleted file mode 100644
index 368733e73f..0000000000
--- a/sysdeps/cris/dl-machine.h
+++ /dev/null
@@ -1,391 +0,0 @@
-/* Machine-dependent ELF dynamic relocation inline functions.  CRIS version.
-   Copyright (C) 1996-2001, 2002, 2003 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.  */
-
-#ifndef dl_machine_h
-#define dl_machine_h
-
-#define ELF_MACHINE_NAME "CRIS"
-
-#include <sys/param.h>
-
-#ifdef __PIC__
-# define CALL_FN(x)							      \
-	"move.d	$pc,$r9\n\t"						      \
-	"add.d	" #x " - .,$r9\n\t"					      \
-	"jsr	$r9"
-#else
-# define CALL_FN(x) "jsr " #x
-#endif
-
-/* Return nonzero iff ELF header is compatible with the running host.  */
-
-static inline int
-elf_machine_matches_host (const Elf32_Ehdr *ehdr)
-{
-  return ehdr->e_machine == EM_CRIS;
-}
-
-/* Return the link-time address of _DYNAMIC.  Conveniently, this is the
-   first element of the GOT.  This must be inlined in a function which
-   uses global data.  */
-
-static inline Elf32_Addr
-elf_machine_dynamic (void)
-{
-  /* Don't just set this to an asm variable "r0" since that's not logical
-     (like, the variable is uninitialized and the register is fixed) and
-     may make GCC trip over itself doing register allocation.  Yes, I'm
-     paranoid.  Why do you ask?  */
-  Elf32_Addr *got;
-
-  __asm__ ("move.d $r0,%0" : "=rm" (got));
-  return *got;
-}
-
-/* Return the run-time load address of the shared object.  We do it like
-   m68k and i386, by taking an arbitrary local symbol, forcing a GOT entry
-   for it, and peeking into the GOT table, which is set to the link-time
-   file-relative symbol value (regardless of whether the target is REL or
-   RELA).  We subtract this link-time file-relative value from the "local"
-   value we calculate from GOT position and GOT offset.  FIXME: Perhaps
-   there's some other symbol we could use, that we don't *have* to force a
-   GOT entry for.  */
-
-static inline Elf32_Addr
-elf_machine_load_address (void)
-{
-  Elf32_Addr gotaddr_diff;
-  __asm__ ("sub.d [$r0+_dl_start:GOT16],$r0,%0\n\t"
-	   "add.d _dl_start:GOTOFF,%0" : "=r" (gotaddr_diff));
-  return gotaddr_diff;
-}
-
-/* Set up the loaded object described by L so its unrelocated PLT
-   entries will jump to the on-demand fixup code in dl-runtime.c.  */
-
-static inline int
-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);
-
-  if (l->l_info[DT_JMPREL] && lazy)
-    {
-      /* The GOT entries for functions in the PLT have not yet been
-	 filled in.  Their initial contents will arrange when called
-	 to push an offset into the .rela.plt section, push
-	 _GLOBAL_OFFSET_TABLE_[1], and then jump to
-	 _GLOBAL_OFFSET_TABLE_[2].  */
-      got = (Elf32_Addr *) D_PTR (l, l_info[DT_PLTGOT]);
-      got[1] = (Elf32_Addr) l;	/* Identify this shared object.  */
-
-      /* The got[2] entry contains the address of a function which gets
-	 called to get the address of a so far unresolved function and
-	 jump to it.  The profiling extension of the dynamic linker allows
-	 to intercept the calls to collect information.  In this case we
-	 don't store the address in the GOT so that all future calls also
-	 end in this function.  */
-      if (__builtin_expect (profile, 0))
-	{
-	  got[2] = (Elf32_Addr) &_dl_runtime_profile;
-
-	  if (_dl_name_match_p (GL(dl_profile), l))
-	    {
-	      /* This is the object we are looking for.  Say that we really
-		 want profiling and the timers are started.  */
-	      GL(dl_profile_map) = l;
-	    }
-	}
-      else
-	/* This function will get called to fix up the GOT entry indicated by
-	   the offset on the stack, and then jump to the resolved address.  */
-	got[2] = (Elf32_Addr) &_dl_runtime_resolve;
-    }
-
-  return lazy;
-}
-
-/* This code is used in dl-runtime.c to call the `fixup' function
-   and then redirect to the address it returns.
-
-   We get here with the offset into the relocation table pushed on stack,
-   and the link map in MOF.  */
-
-#define TRAMPOLINE_TEMPLATE(tramp_name, fixup_name) \
-"; Trampoline for " #fixup_name "\n\
-	.globl " #tramp_name "\n\
-	.type " #tramp_name ", @function\n\
-" #tramp_name ":\n\
-	push	$r13\n\
-	push	$r12\n\
-	push	$r11\n\
-	push	$r10\n\
-	push	$r9\n\
-	push	$srp\n\
-	move.d	[$sp+6*4],$r11\n\
-	move	$mof,$r10\n\
-	" CALL_FN (fixup_name) "\n\
-	move.d	$r10,[$sp+6*4]\n\
-	pop	$srp\n\
-	pop	$r9\n\
-	pop	$r10\n\
-	pop	$r11\n\
-	pop	$r12\n\
-	pop	$r13\n\
-	jump	[$sp+]\n\
-	.size " #tramp_name ", . - " #tramp_name "\n"
-#ifndef PROF
-#define ELF_MACHINE_RUNTIME_TRAMPOLINE \
-asm (TRAMPOLINE_TEMPLATE (_dl_runtime_resolve, fixup) \
-     TRAMPOLINE_TEMPLATE (_dl_runtime_profile, profile_fixup));
-#else
-#define ELF_MACHINE_RUNTIME_TRAMPOLINE \
-asm (TRAMPOLINE_TEMPLATE (_dl_runtime_resolve, fixup) \
-     ".globl _dl_runtime_profile\n" \
-     ".set _dl_runtime_profile, _dl_runtime_resolve");
-#endif
-
-
-/* Mask identifying addresses reserved for the user program,
-   where the dynamic linker should not map anything.  */
-#define ELF_MACHINE_USER_ADDRESS_MASK	0xf8000000UL
-
-/* Initial entry point code for the dynamic linker.
-   The C function `_dl_start' is the real entry point;
-   its return value is the user program's entry point.  */
-
-#define RTLD_START asm ("\
-	.text\n\
-	.globl	_start\n\
-	.type	_start,@function\n\
-_start:\n\
-	move.d	$sp,$r10\n\
-	" CALL_FN (_dl_start) "\n\
-	/* FALLTHRU */\n\
-\n\
-	.globl _dl_start_user\n\
-	.type _dl_start_user,@function\n\
-_dl_start_user:\n\
-	; Save the user entry point address in R1.\n\
-	move.d	$r10,$r1\n\
-	; Point R0 at the GOT.\n\
-	move.d	$pc,$r0\n\
-	sub.d	.:GOTOFF,$r0\n\
-	; See if we were run as a command with the executable file\n\
-	; name as an extra leading argument.\n\
-	move.d	[$r0+_dl_skip_args:GOT16],$r13\n\
-	move.d	[$r13],$r9\n\
-	; Get the original argument count\n\
-	move.d	[$sp],$r11\n\
-	; Subtract _dl_skip_args from it.\n\
-	sub.d	$r9,$r11\n\
-	; Adjust the stack pointer to skip _dl_skip_args words.\n\
-	addi	$r9.d,$sp\n\
-	; Put the new argc in place as expected by the user entry.\n\
-	move.d	$r11,[$sp]\n\
-	; Call _dl_init (struct link_map *main_map, int argc, char **argv, char **env)\n\
-	;  env: skip scaled argc and skip stored argc and NULL at end of argv[].\n\
-	move.d	$sp,$r13\n\
-	addi	$r11.d,$r13\n\
-	addq	8,$r13\n\
-	;  argv: skip stored argc.\n\
-	move.d	$sp,$r12\n\
-	addq	4,$r12\n\
-	;  main_map: at _dl_loaded.\n\
-	move.d	[$r0+_rtld_local:GOT16],$r9\n\
-	move.d	[$r9],$r10\n\
-	move.d	_dl_init_internal:PLTG,$r9\n\
-	add.d	$r0,$r9\n\
-	jsr	$r9\n\
-	; Pass our finalizer function to the user in R10.\n\
-	move.d [$r0+_dl_fini:GOT16],$r10\n\
-	; Terminate the frame-pointer.\n\
-	moveq	0,$r8\n\
-	; Cause SEGV if user entry returns.\n\
-	move	$r8,$srp\n\
-	; Jump to the user's entry point.\n\
-	jump	$r1\n\
-	.size _dl_start_user, . - _dl_start_user\n\
-	.previous");
-
-/* The union of reloc-type-classes where the reloc TYPE is a member.
-
-   TYPE is in the class ELF_RTYPE_CLASS_PLT if it can describe a
-   relocation for a PLT entry, that is, for which a PLT entry should not
-   be allowed to define the value.  The GNU linker for CRIS can merge a
-   .got.plt entry (R_CRIS_JUMP_SLOT) with a .got entry (R_CRIS_GLOB_DAT),
-   so we need to match both these reloc types.
-
-   TYPE is in the class ELF_RTYPE_CLASS_NOCOPY if it should not be allowed
-   to resolve to one of the main executable's symbols, as for a COPY
-   reloc.  */
-#define elf_machine_type_class(type)				\
-  ((((((type) == R_CRIS_JUMP_SLOT))				\
-     || ((type) == R_CRIS_GLOB_DAT)) * ELF_RTYPE_CLASS_PLT)	\
-   | (((type) == R_CRIS_COPY) * ELF_RTYPE_CLASS_COPY))
-
-/* A reloc type used for ld.so cmdline arg lookups to reject PLT entries.  */
-#define ELF_MACHINE_JMP_SLOT	R_CRIS_JUMP_SLOT
-
-/* CRIS never uses Elf32_Rel relocations.  */
-#define ELF_MACHINE_NO_REL 1
-
-/* We define an initialization functions.  This is called very early in
-   _dl_sysdep_start.  */
-#define DL_PLATFORM_INIT dl_platform_init ()
-
-static inline void __attribute__ ((unused))
-dl_platform_init (void)
-{
-  if (GL(dl_platform) != NULL && *GL(dl_platform) == '\0')
-    /* Avoid an empty string which would disturb us.  */
-    GL(dl_platform) = NULL;
-}
-
-static inline Elf32_Addr
-elf_machine_fixup_plt (struct link_map *map, lookup_t t,
-		       const Elf32_Rela *reloc,
-		       Elf32_Addr *reloc_addr, Elf32_Addr value)
-{
-  return *reloc_addr = value;
-}
-
-/* Return the final value of a plt relocation.  */
-static inline Elf32_Addr
-elf_machine_plt_value (struct link_map *map, const Elf32_Rela *reloc,
-		       Elf32_Addr value)
-{
-  return value + reloc->r_addend;
-}
-
-#endif /* !dl_machine_h */
-
-#ifdef RESOLVE
-
-/* Perform the relocation specified by RELOC and SYM (which is fully resolved).
-   MAP is the object containing the reloc.  */
-
-static inline void
-elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
-		  const Elf32_Sym *sym, const struct r_found_version *version,
-		  void *const reloc_addr_arg)
-{
-  Elf32_Addr *const reloc_addr = reloc_addr_arg;
-  const unsigned int r_type = ELF32_R_TYPE (reloc->r_info);
-
-  if (__builtin_expect (r_type == R_CRIS_RELATIVE, 0))
-    *reloc_addr = map->l_addr + reloc->r_addend;
-  else
-    {
-#ifndef RTLD_BOOTSTRAP
-      const Elf32_Sym *const refsym = sym;
-#endif
-      Elf32_Addr value;
-      if (sym->st_shndx != SHN_UNDEF
-	  && ELF32_ST_BIND (sym->st_info) == STB_LOCAL)
-	value = map->l_addr;
-      else
-	{
-	  value = RESOLVE (&sym, version, r_type);
-	  if (sym)
-	    value += sym->st_value;
-	}
-      value += reloc->r_addend;	/* Assume copy relocs have zero addend.  */
-
-      switch (r_type)
-	{
-#ifndef RTLD_BOOTSTRAP
-	case R_CRIS_COPY:
-	  if (sym == NULL)
-	    /* This can happen in trace mode if an object could not be
-	       found.  */
-	    break;
-	  if (sym->st_size > refsym->st_size
-	      || (GL(dl_verbose) && sym->st_size < refsym->st_size))
-	    {
-	      const char *strtab;
-
-	      strtab = (const void *) D_PTR (map, l_info[DT_STRTAB]);
-	      _dl_error_printf ("\
-%s: Symbol `%s' has different size in shared object, consider re-linking\n",
-				rtld_progname ?: "<program name unknown>",
-				strtab + refsym->st_name);
-	    }
-	  memcpy (reloc_addr_arg, (void *) value,
-		  MIN (sym->st_size, refsym->st_size));
-	  break;
-
-	case R_CRIS_32:
-#endif
-	case R_CRIS_GLOB_DAT:
-	case R_CRIS_JUMP_SLOT:
-	  *reloc_addr = value;
-	  break;
-#ifndef RTLD_BOOTSTRAP
-	case R_CRIS_8:
-	  *(char *) reloc_addr = value;
-	  break;
-	case R_CRIS_16:
-	  *(short *) reloc_addr = value;
-	  break;
-	case R_CRIS_8_PCREL:
-	  *(char *) reloc_addr
-	    = value + reloc->r_addend - (Elf32_Addr) reloc_addr - 1;
-	  break;
-	case R_CRIS_16_PCREL:
-	  *(short *) reloc_addr
-	    = value + reloc->r_addend - (Elf32_Addr) reloc_addr - 2;
-	  break;
-	case R_CRIS_32_PCREL:
-	  *reloc_addr = value + reloc->r_addend - (Elf32_Addr) reloc_addr - 4;
-	  break;
-#endif
-	case R_CRIS_NONE:
-	  break;
-#if !defined RTLD_BOOTSTRAP || defined _NDEBUG
-	default:
-	  _dl_reloc_bad_type (map, r_type, 0);
-	  break;
-#endif
-	}
-    }
-}
-
-static inline void
-elf_machine_rela_relative (Elf32_Addr l_addr, const Elf32_Rela *reloc,
-			   void *const reloc_addr_arg)
-{
-  Elf32_Addr *const reloc_addr = reloc_addr_arg;
-  *reloc_addr = l_addr + reloc->r_addend;
-}
-
-static inline void
-elf_machine_lazy_rel (struct link_map *map,
-		      Elf32_Addr l_addr, const Elf32_Rela *reloc)
-{
-  Elf32_Addr *const reloc_addr = (void *) (l_addr + reloc->r_offset);
-  const unsigned int r_type = ELF32_R_TYPE (reloc->r_info);
-  if (__builtin_expect (r_type == R_CRIS_JUMP_SLOT, 1))
-    *reloc_addr += l_addr;
-  else
-    _dl_reloc_bad_type (map, r_type, 1);
-}
-
-#endif /* RESOLVE */