2.5-18.1

1 files changed, 0 insertions, 316 deletions

diff --git a/sysdeps/m68k/dl-machine.h b/sysdeps/m68k/dl-machine.h
deleted file mode 100644
index 146c5866a9..0000000000
--- a/sysdeps/m68k/dl-machine.h
+++ /dev/null
@@ -1,316 +0,0 @@
-/* Machine-dependent ELF dynamic relocation inline functions.  m68k version.
-   Copyright (C) 1996-2001, 2002, 2003, 2004 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 "m68k"
-
-#include <sys/param.h>
-
-/* 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_68K;
-}
-
-
-/* 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)
-{
-  register Elf32_Addr *got asm ("%a5");
-  return *got;
-}
-
-
-/* Return the run-time load address of the shared object.  */
-static inline Elf32_Addr
-elf_machine_load_address (void)
-{
-  Elf32_Addr addr;
-  asm ("lea _dl_start(%%pc), %0\n\t"
-       "sub.l _dl_start@GOT.w(%%a5), %0"
-       : "=a" (addr));
-  return addr;
-}
-
-
-/* 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 __attribute__ ((always_inline))
-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 (profile)
-	{
-	  got[2] = (Elf32_Addr) &_dl_runtime_profile;
-
-	  if (_dl_name_match_p (GLRO(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.  */
-#define TRAMPOLINE_TEMPLATE(tramp_name, fixup_name) \
-"| Trampoline for " #fixup_name "\n\
-	.globl " #tramp_name "\n\
-	.type " #tramp_name ", @function\n\
-" #tramp_name ":\n\
-	| Save %a0 (struct return address) and %a1.\n\
-	move.l %a0, -(%sp)\n\
-	move.l %a1, -(%sp)\n\
-	| Call the real address resolver.\n\
-	jbsr " #fixup_name "\n\
-	| Restore register %a0 and %a1.\n\
-	move.l (%sp)+, %a1\n\
-	move.l (%sp)+, %a0\n\
-	| Pop parameters\n\
-	addq.l #8, %sp\n\
-	| Call real function.\n\
-	jmp (%d0)\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
-#define ELF_MACHINE_RUNTIME_FIXUP_ARGS long int save_a0, long int save_a1
-
-
-/* Mask identifying addresses reserved for the user program,
-   where the dynamic linker should not map anything.  */
-#define ELF_MACHINE_USER_ADDRESS_MASK	0x80000000UL
-
-/* 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.l %sp, -(%sp)\n\
-	jbsr _dl_start\n\
-	addq.l #4, %sp\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 %a4.\n\
-	move.l %d0, %a4\n\
-	| See if we were run as a command with the executable file\n\
-	| name as an extra leading argument.\n\
-	move.l _dl_skip_args(%pc), %d0\n\
-	| Pop the original argument count\n\
-	move.l (%sp)+, %d1\n\
-	| Subtract _dl_skip_args from it.\n\
-	sub.l %d0, %d1\n\
-	| Adjust the stack pointer to skip _dl_skip_args words.\n\
-	lea (%sp, %d0*4), %sp\n\
-	| Push back the modified argument count.\n\
-	move.l %d1, -(%sp)\n\
-	# Call _dl_init (struct link_map *main_map, int argc, char **argv, char **env)\n\
-	pea 8(%sp, %d1*4)\n\
-	pea 8(%sp)\n\
-	move.l %d1, -(%sp)\n\
-	move.l _rtld_local(%pc), -(%sp)\n\
-	jbsr _dl_init_internal@PLTPC\n\
-	addq.l #8, %sp\n\
-	addq.l #8, %sp\n\
-	| Pass our finalizer function to the user in %a1.\n\
-	lea _dl_fini(%pc), %a1\n\
-	| Initialize %fp with the stack pointer.\n\
-	move.l %sp, %fp\n\
-	| Jump to the user's entry point.\n\
-	jmp (%a4)\n\
-	.size _dl_start_user, . - _dl_start_user\n\
-	.previous");
-
-/* ELF_RTYPE_CLASS_PLT iff TYPE describes relocation of a PLT entry, so
-   PLT entries should not be allowed to define the value.
-   ELF_RTYPE_CLASS_NOCOPY iff TYPE 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_68K_JMP_SLOT) * ELF_RTYPE_CLASS_PLT)	\
-   | (((type) == R_68K_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_68K_JMP_SLOT
-
-/* The m68k never uses Elf32_Rel relocations.  */
-#define ELF_MACHINE_NO_REL 1
-
-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.  On the m68k the JMP_SLOT
-   relocation ignores the addend.  */
-static inline Elf32_Addr
-elf_machine_plt_value (struct link_map *map, const Elf32_Rela *reloc,
-		       Elf32_Addr value)
-{
-  return value;
-}
-
-#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.  */
-
-auto inline void __attribute__ ((unused, always_inline))
-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_68K_RELATIVE, 0))
-    *reloc_addr = map->l_addr + reloc->r_addend;
-  else
-    {
-      const Elf32_Sym *const refsym = sym;
-      Elf32_Addr value = RESOLVE (&sym, version, r_type);
-      if (sym)
-	value += sym->st_value;
-
-      switch (r_type)
-	{
-	case R_68K_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
-	      || (sym->st_size < refsym->st_size && GLRO(dl_verbose)))
-	    {
-	      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_68K_GLOB_DAT:
-	case R_68K_JMP_SLOT:
-	  *reloc_addr = value;
-	  break;
-	case R_68K_8:
-	  *(char *) reloc_addr = value + reloc->r_addend;
-	  break;
-	case R_68K_16:
-	  *(short *) reloc_addr = value + reloc->r_addend;
-	  break;
-	case R_68K_32:
-	  *reloc_addr = value + reloc->r_addend;
-	  break;
-	case R_68K_PC8:
-	  *(char *) reloc_addr
-	    = value + reloc->r_addend - (Elf32_Addr) reloc_addr;
-	  break;
-	case R_68K_PC16:
-	  *(short *) reloc_addr
-	    = value + reloc->r_addend - (Elf32_Addr) reloc_addr;
-	  break;
-	case R_68K_PC32:
-	  *reloc_addr = value + reloc->r_addend - (Elf32_Addr) reloc_addr;
-	  break;
-	case R_68K_NONE:		/* Alright, Wilbur.  */
-	  break;
-	default:
-	  _dl_reloc_bad_type (map, r_type, 0);
-	  break;
-	}
-    }
-}
-
-auto inline void __attribute__ ((unused, always_inline))
-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;
-}
-
-auto inline void __attribute__ ((unused, always_inline))
-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);
-  if (ELF32_R_TYPE (reloc->r_info) == R_68K_JMP_SLOT)
-    *reloc_addr += l_addr;
-  else
-    _dl_reloc_bad_type (map, ELF32_R_TYPE (reloc->r_info), 1);
-}
-
-#endif /* RESOLVE */