Remove am33 port.

This patch removes the am33 port (no other port #includes any files
from it), as previously discussed (see
<https://sourceware.org/ml/libc-ports/2014-01/msg00046.html>).

1 files changed, 0 insertions, 478 deletions

diff --git a/ports/sysdeps/am33/dl-machine.h b/ports/sysdeps/am33/dl-machine.h
deleted file mode 100644
index 10e6e4662b..0000000000
--- a/ports/sysdeps/am33/dl-machine.h
+++ /dev/null
@@ -1,478 +0,0 @@
-/* Machine-dependent ELF dynamic relocation inline functions.  AM33 version.
-   Copyright (C) 1995-2014 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 Library General Public License as
-   published by the Free Software Foundation; either version 2 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
-   Library General Public License for more details.
-
-   You should have received a copy of the GNU Library General Public
-   License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#ifndef dl_machine_h
-#define dl_machine_h
-
-#define ELF_MACHINE_NAME "mn10300"
-
-#include <sys/param.h>
-
-/* Return nonzero iff ELF header is compatible with the running host.  */
-static inline int __attribute__ ((unused))
-elf_machine_matches_host (const Elf32_Ehdr *ehdr)
-{
-  return ehdr->e_machine == EM_MN10300;
-}
-
-
-/* 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 __attribute__ ((unused))
-elf_machine_dynamic (void)
-{
-  register Elf32_Addr *got asm ("a2");
-  return *got;
-}
-
-
-/* Return the run-time load address of the shared object.  */
-static inline Elf32_Addr __attribute__ ((unused))
-elf_machine_load_address (void)
-{
-  register Elf32_Addr gotaddr asm ("a2");
-  Elf32_Addr off, gotval;
-
-  asm ("mov _dl_start@GOTOFF,%0" : "=r" (off));
-  asm ("mov (_dl_start@GOT,%1),%0" : "=r" (gotval) : "r" (gotaddr));
-
-  return off + gotaddr - gotval;
-}
-
-#ifndef PROF
-/* We add a declaration of this function here so that in dl-runtime.c
-   the ELF_MACHINE_RUNTIME_TRAMPOLINE macro really can pass the parameters
-   in registers.
-
-   We cannot use this scheme for profiling because the _mcount call
-   destroys the passed register information.  */
-static ElfW(Addr) fixup (struct link_map *l, ElfW(Word) reloc_offset)
-     __attribute__ ((unused));
-static ElfW(Addr) profile_fixup (struct link_map *l, ElfW(Word) reloc_offset,
-				 ElfW(Addr) retaddr)
-     __attribute__ ((unused));
-#endif
-
-/* 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__ ((unused))
-elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
-{
-  Elf32_Addr *got;
-  extern void _dl_runtime_resolve (Elf32_Word) attribute_hidden;
-  extern void _dl_runtime_profile (Elf32_Word) attribute_hidden;
-
-  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 .rel.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 (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.  */
-#ifndef PROF
-# define ELF_MACHINE_RUNTIME_TRAMPOLINE asm ("\
-	.text\n\
-	.globl _dl_runtime_resolve\n\
-	.type _dl_runtime_resolve, @function\n\
-_dl_runtime_resolve:\n\
-	add -12,sp		# Preserve registers otherwise clobbered.\n\
-	mov d1,(20,sp)\n\
-	mov d0,(16,sp)\n\
-	mov r1,d0\n\
-	mov r0,d1\n\
-	call fixup,[],0		# Call resolver.\n\
-	mov d0,a0\n\
-	mov (12,sp),d1		# Copy return address back to mdr,\n\
-	mov d1,mdr		# in case the callee returns with retf\n\
-	mov (16,sp),d0		# Get register content back.\n\
-	mov (20,sp),d1\n\
-	add 12,sp\n\
-	jmp (a0)\n\
-	.size _dl_runtime_resolve, .-_dl_runtime_resolve\n\
-\n\
-	.globl _dl_runtime_profile\n\
-	.type _dl_runtime_profile, @function\n\
-_dl_runtime_profile:\n\
-	add -12,sp		# Preserve registers otherwise clobbered.\n\
-	mov d1,(20,sp)\n\
-	mov d0,(16,sp)\n\
-	mov r1,d0\n\
-	mov r0,d1\n\
-	call profile_fixup,[],0		# Call resolver.\n\
-	mov d0,a0\n\
-	mov (12,sp),d1		# Copy return address back to mdr,\n\
-	mov d1,mdr		# in case the callee returns with retf\n\
-	mov (16,sp),d0		# Get register content back.\n\
-	mov (20,sp),d1\n\
-	add 12,sp\n\
-	jmp (a0)\n\
-	.size _dl_runtime_profile, .-_dl_runtime_profile\n\
-	.previous\n\
-");
-#else
-# define ELF_MACHINE_RUNTIME_TRAMPOLINE asm ("\n\
-	.text\n\
-	.globl _dl_runtime_resolve\n\
-	.globl _dl_runtime_profile\n\
-	.type _dl_runtime_resolve, @function\n\
-	.type _dl_runtime_profile, @function\n\
-_dl_runtime_resolve:\n\
-_dl_runtime_profile:\n\
-	add -12,sp		# Preserve registers otherwise clobbered.\n\
-	mov d1,(20,sp)\n\
-	mov d0,(16,sp)\n\
-	mov r1,d0\n\
-	mov r0,d1\n\
-	call profile_fixup,[],0		# Call resolver.\n\
-	mov d0,a0\n\
-	mov (12,sp),d1		# Copy return address back to mdr,\n\
-	mov d1,mdr		# in case the callee returns with retf\n\
-	mov (16,sp),d0		# Get register content back.\n\
-	mov (20,sp),d1\n\
-	add 12,sp\n\
-	jmp (a0)\n\
-	.size _dl_runtime_resolve, .-_dl_runtime_resolve\n\
-	.size _dl_runtime_profile, .-_dl_runtime_profile\n\
-	.previous\n\
-");
-#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 ("\n\
-	.text\n\
-.globl _start\n\
-.globl _dl_start_user\n\
-_start:\n\
-	mov 0,a3	# Mark the top of the stack\n\
-	mov sp,a1\n\
-	add -20,sp	# Prepare for function call\n\
-	mov a1,d0\n\
-	call _dl_start,[],0\n\
-_dl_start_user:\n\
-	# Save the user entry point address in d2.\n\
-	mov d0,d2\n\
-	# Point a2 at the GOT.\n\
-0:	mov pc,a2\n\
-	add _GLOBAL_OFFSET_TABLE_ - (0b-.),a2\n\
-	# Store the highest stack address\n\
-	mov (__libc_stack_end@GOT,a2),a0\n\
-	mov a1,(a0)\n\
-	# See if we were run as a command with the executable file\n\
-	# name as an extra leading argument.\n\
-	mov (_dl_skip_args@GOT,a2),a0\n\
-	mov (a0),d0\n\
-	# Pop the original argument count.\n\
-	mov (20,sp),d3\n\
-	# Subtract _dl_skip_args from it.\n\
-	sub d0,d3\n\
-	# Adjust the stack pointer to skip _dl_skip_args words.\n\
-	asl2 d0\n\
-	mov sp,a0\n\
-	add d0,a0\n\
-	mov a0,sp\n\
-	# Push argc back on the stack.\n\
-	mov d3,(20,sp)\n\
-	# The special initializer gets called with the stack just\n\
-	# as the application's entry point will see it; it can\n\
-	# switch stacks if it moves these contents over.\n\
-" RTLD_START_SPECIAL_INIT "\n\
-	# Load the parameters again.\n\
-	# (d0, d1, (12,sp), (16,sp)) = (_dl_loaded, argc, argv, envp)\n\
-	add 24,a0\n\
-	mov a0,(12,sp)	# a0 is 24+sp\n\
-	mov d3,d1	# d3 contained argc\n\
-	inc d3\n\
-	asl2 d3		# d3 is now (argc+1)*4,\n\
-	add d3,a0	# the offset between argv and envp\n\
-	mov a0,(16,sp)\n\
-	mov (_rtld_local@GOTOFF,a2),d0\n\
-	# Call the function to run the initializers.\n\
-	call _dl_init@PLT,[],0\n\
-	# Pass our finalizer function to the user in d0, as per ELF ABI.\n\
-	mov (_dl_fini@GOT,a2),d0\n\
-	add 20,sp\n\
-	# Jump to the user's entry point.\n\
-	mov d2,a1\n\
-	jmp (a1)\n\
-	.previous\n\
-");
-
-#ifndef RTLD_START_SPECIAL_INIT
-#define RTLD_START_SPECIAL_INIT /* nothing */
-#endif
-
-/* 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_MN10300_JMP_SLOT) * ELF_RTYPE_CLASS_PLT)	\
-   | (((type) == R_MN10300_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_MN10300_JMP_SLOT
-
-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
-
-/* The mn10300 never uses Elf32_Rel relocations.  */
-#define ELF_MACHINE_NO_REL 1
-
-/* 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, int skip_ifunc)
-{
-  const unsigned int r_type = ELF32_R_TYPE (reloc->r_info);
-  Elf32_Addr value, *reloc_addr;
-
-  /* Make sure we drop any previous alignment assumptions.  */
-  asm ("" : "=r" (reloc_addr) : "0" (reloc_addr_arg));
-
-#define COPY_UNALIGNED_WORD(sw, tw, align) \
-  { \
-    unsigned long *__sl = (void*)&(sw), *__tl = (void*)&(tw); \
-    unsigned short *__ss = (void*)&(sw), *__ts = (void*)&(tw); \
-    unsigned char *__sc = (void*)&(sw), *__tc = (void*)&(tw); \
-    switch ((align)) \
-    { \
-    case 0: \
-      *__tl = *__sl; \
-      break; \
-    case 2: \
-      *__ts++ = *__ss++; \
-      *__ts = *__ss; \
-      break; \
-    default: \
-      *__tc++ = *__sc++; \
-      *__tc++ = *__sc++; \
-      *__tc++ = *__sc++; \
-      *__tc = *__sc; \
-      break; \
-    } \
-  }
-
-#define COPY_UNALIGNED_HALFWORD(sw, tw, align) \
-  { \
-    unsigned short *__ss = (void*)&(sw), *__ts = (void*)&(tw); \
-    unsigned char *__sc = (void*)&(sw), *__tc = (void*)&(tw); \
-    switch ((align)) \
-    { \
-    case 0: \
-      *__ts = *__ss; \
-      break; \
-    default: \
-      *__tc++ = *__sc++; \
-      *__tc = *__sc; \
-      break; \
-    } \
-  }
-
-#if !defined RTLD_BOOTSTRAP || !defined HAVE_Z_COMBRELOC
-  if (__builtin_expect (r_type == R_MN10300_RELATIVE, 0))
-    {
-# if !defined RTLD_BOOTSTRAP && !defined HAVE_Z_COMBRELOC
-      /* This is defined in rtld.c, but nowhere in the static libc.a;
-	 make the reference weak so static programs can still link.
-	 This declaration cannot be done when compiling rtld.c (i.e.
-	 #ifdef RTLD_BOOTSTRAP) because rtld.c contains the common
-	 defn for _dl_rtld_map, which is incompatible with a weak decl
-	 in the same file.  */
-      weak_extern (_dl_rtld_map);
-      if (map != &_dl_rtld_map) /* Already done in rtld itself. */
-# endif
-	{
-	  COPY_UNALIGNED_WORD (*reloc_addr, value, (int) reloc_addr & 3);
-	  value += map->l_addr;
-	  COPY_UNALIGNED_WORD (value, *reloc_addr, (int) reloc_addr & 3);
-	}
-    }
-# ifndef RTLD_BOOTSTRAP
-  else if (__builtin_expect (r_type == R_MN10300_NONE, 0))
-    return;
-# endif
-  else
-#endif
-    {
-#ifndef RTLD_BOOTSTRAP
-      const Elf32_Sym *const refsym = sym;
-#endif
-
-      value = RESOLVE (&sym, version, ELF32_R_TYPE (reloc->r_info));
-      if (sym)
-	value += sym->st_value;
-      value += reloc->r_addend;	/* Assume copy relocs have zero addend.  */
-
-      switch (r_type)
-	{
-#ifndef RTLD_BOOTSTRAP
-	case R_MN10300_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
-	      || (GLRO(dl_verbose) && sym->st_size < refsym->st_size))
-	    {
-	      extern char **_dl_argv;
-	      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",
-				_dl_argv[0] ?: "<program name unknown>",
-				strtab + refsym->st_name);
-	    }
-	  memcpy (reloc_addr, (void *) value, MIN (sym->st_size,
-						   refsym->st_size));
-	  break;
-#endif
-	case R_MN10300_GLOB_DAT:
-	case R_MN10300_JMP_SLOT:
-	  /* These addresses are always aligned.  */
-	  *reloc_addr = value;
-	  break;
-	case R_MN10300_32:
-	  COPY_UNALIGNED_WORD (value, *reloc_addr, (int) reloc_addr & 3);
-	  break;
-#ifndef RTLD_BOOTSTRAP
-	case R_MN10300_16:
-	  COPY_UNALIGNED_HALFWORD (value, *reloc_addr, (int) reloc_addr & 1);
-	  break;
-	case R_MN10300_8:
-	  *(char *) reloc_addr = value;
-	  break;
-	case R_MN10300_PCREL32:
-	  value -= (Elf32_Addr) reloc_addr;
-	  COPY_UNALIGNED_WORD (value, *reloc_addr, (int) reloc_addr & 3);
-	  break;
-	case R_MN10300_PCREL16:
-	  value -= (Elf32_Addr) reloc_addr;
-	  COPY_UNALIGNED_HALFWORD (value, *reloc_addr, (int) reloc_addr & 1);
-	  break;
-	case R_MN10300_PCREL8:
-	  value -= (Elf32_Addr) reloc_addr;
-	  *(char *) reloc_addr = (value - (Elf32_Addr) reloc_addr);
-	  break;
-#endif
-	case R_MN10300_NONE:		/* Alright, Wilbur.  */
-	  break;
-#if !defined RTLD_BOOTSTRAP || defined _NDEBUG
-	default:
-	  _dl_reloc_bad_type (map, ELFW(R_TYPE) (reloc->r_info), 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 value, *reloc_addr;
-
-  asm ("" : "=r" (reloc_addr) : "0" (reloc_addr_arg));
-
-  COPY_UNALIGNED_WORD (*reloc_addr, value, (int)reloc_addr & 3);
-  value += l_addr;
-  COPY_UNALIGNED_WORD (value, *reloc_addr, (int)reloc_addr & 3);
-}
-
-static inline void
-elf_machine_lazy_rel (struct link_map *map,
-		      Elf32_Addr l_addr, const Elf32_Rela *reloc,
-		      int skip_ifunc)
-{
-  unsigned long int const r_type = ELF32_R_TYPE (reloc->r_info);
-
-  /* Check for unexpected PLT reloc type.  */
-  if (__builtin_expect (r_type, R_MN10300_JMP_SLOT) == R_MN10300_JMP_SLOT)
-    {
-      Elf32_Addr* const reloc_addr = (void *)(l_addr + reloc->r_offset);
-      Elf32_Addr value;
-
-      /* Perform a RELATIVE reloc on the .got entry that transfers
-	 to the .plt.  */
-      COPY_UNALIGNED_WORD (*reloc_addr, value, (int)reloc_addr & 3);
-      value += l_addr;
-      COPY_UNALIGNED_WORD (value, *reloc_addr, (int)reloc_addr & 3);
-    }
-  else if (__builtin_expect (r_type, R_MN10300_NONE) != R_MN10300_NONE)
-    _dl_reloc_bad_type (map, ELFW(R_TYPE) (reloc->r_info), 1);
-
-}
-
-#endif /* RESOLVE */