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-rw-r--r--ports/sysdeps/arm/dl-machine.h694
1 files changed, 694 insertions, 0 deletions
diff --git a/ports/sysdeps/arm/dl-machine.h b/ports/sysdeps/arm/dl-machine.h
new file mode 100644
index 0000000000..8d905e8ad9
--- /dev/null
+++ b/ports/sysdeps/arm/dl-machine.h
@@ -0,0 +1,694 @@
+/* Machine-dependent ELF dynamic relocation inline functions.  ARM version.
+   Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002,2003,2004,2005,
+	2006, 2009, 2010, 2011 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/>.  */
+
+#ifndef dl_machine_h
+#define dl_machine_h
+
+#define ELF_MACHINE_NAME "ARM"
+
+#include <sys/param.h>
+#include <tls.h>
+#include <dl-tlsdesc.h>
+#include <dl-irel.h>
+
+#define CLEAR_CACHE(BEG,END)						\
+  INTERNAL_SYSCALL_ARM (cacheflush, , 3, (BEG), (END), 0)
+
+/* 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_ARM;
+}
+
+
+/* Return the link-time address of _DYNAMIC.  Conveniently, this is the
+   first element of the GOT.  We used to use the PIC register to do this
+   without a constant pool reference, but GCC 4.2 will use a pseudo-register
+   for the PIC base, so it may not be in r10.  */
+static inline Elf32_Addr __attribute__ ((unused))
+elf_machine_dynamic (void)
+{
+  Elf32_Addr dynamic;
+#ifdef __thumb2__
+  long tmp;
+  asm ("ldr\t%0, 1f\n\t"
+       "adr\t%1, 1f\n\t"
+       "ldr\t%0, [%0, %1]\n\t"
+       "b 2f\n"
+       ".align 2\n"
+       "1: .word _GLOBAL_OFFSET_TABLE_ - 1b\n"
+       "2:" : "=r" (dynamic), "=r"(tmp));
+#else
+  asm ("ldr %0, 2f\n"
+       "1: ldr %0, [pc, %0]\n"
+       "b 3f\n"
+       "2: .word _GLOBAL_OFFSET_TABLE_ - (1b+8)\n"
+       "3:" : "=r" (dynamic));
+#endif
+  return dynamic;
+}
+
+
+/* Return the run-time load address of the shared object.  */
+static inline Elf32_Addr __attribute__ ((unused))
+elf_machine_load_address (void)
+{
+  extern void __dl_start asm ("_dl_start");
+  Elf32_Addr got_addr = (Elf32_Addr) &__dl_start;
+  Elf32_Addr pcrel_addr;
+#ifdef __thumb__
+  /* Clear the low bit of the funciton address.  */
+  got_addr &= ~(Elf32_Addr) 1;
+#endif
+  asm ("adr %0, _dl_start" : "=r" (pcrel_addr));
+  return pcrel_addr - got_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__ ((unused))
+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)
+    {
+      /* patb: this is different than i386 */
+      /* The GOT entries for functions in the PLT have not yet been filled
+	 in.  Their initial contents will arrange when called to push an
+	 index into the .got section, load ip with &_GLOBAL_OFFSET_TABLE_[3],
+	 and then jump to _GLOBAL_OFFSET_TABLE[2].  */
+      got = (Elf32_Addr *) D_PTR (l, l_info[DT_PLTGOT]);
+      /* If a library is prelinked but we have to relocate anyway,
+	 we have to be able to undo the prelinking of .got.plt.
+	 The prelinker saved us here address of .plt.  */
+      if (got[1])
+	l->l_mach.plt = got[1] + l->l_addr;
+      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 (GLRO(dl_profile) != NULL
+	      && _dl_name_match_p (GLRO(dl_profile), l))
+	    /* 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;
+    }
+
+  if (l->l_info[ADDRIDX (DT_TLSDESC_GOT)] && lazy)
+    *(Elf32_Addr*)(D_PTR (l, l_info[ADDRIDX (DT_TLSDESC_GOT)]) + l->l_addr)
+      = (Elf32_Addr) &_dl_tlsdesc_lazy_resolver;
+
+  return lazy;
+}
+
+#if defined(__USE_BX__)
+#define BX(x) "bx\t" #x
+#else
+#define BX(x) "mov\tpc, " #x
+#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\
+.globl _dl_start_user\n\
+.type _dl_start_user, %function\n\
+_start:\n\
+	@ we are PIC code, so get global offset table\n\
+	ldr	sl, .L_GET_GOT\n\
+	@ See if we were run as a command with the executable file\n\
+	@ name as an extra leading argument.\n\
+	ldr	r4, .L_SKIP_ARGS\n\
+	@ at start time, all the args are on the stack\n\
+	mov	r0, sp\n\
+	bl	_dl_start\n\
+	@ returns user entry point in r0\n\
+_dl_start_user:\n\
+	adr	r6, .L_GET_GOT\n\
+	add	sl, sl, r6\n\
+	ldr	r4, [sl, r4]\n\
+	@ save the entry point in another register\n\
+	mov	r6, r0\n\
+	@ get the original arg count\n\
+	ldr	r1, [sp]\n\
+	@ get the argv address\n\
+	add	r2, sp, #4\n\
+	@ Fix up the stack if necessary.\n\
+	cmp	r4, #0\n\
+	bne	.L_fixup_stack\n\
+.L_done_fixup:\n\
+	@ compute envp\n\
+	add	r3, r2, r1, lsl #2\n\
+	add	r3, r3, #4\n\
+	@ now we call _dl_init\n\
+	ldr	r0, .L_LOADED\n\
+	ldr	r0, [sl, r0]\n\
+	@ call _dl_init\n\
+	bl	_dl_init_internal(PLT)\n\
+	@ load the finalizer function\n\
+	ldr	r0, .L_FINI_PROC\n\
+	add	r0, sl, r0\n\
+	@ jump to the user_s entry point\n\
+	" BX(r6) "\n\
+\n\
+	@ iWMMXt and EABI targets require the stack to be eight byte\n\
+	@ aligned - shuffle arguments etc.\n\
+.L_fixup_stack:\n\
+	@ subtract _dl_skip_args from original arg count\n\
+	sub	r1, r1, r4\n\
+	@ store the new argc in the new stack location\n\
+	str	r1, [sp]\n\
+	@ find the first unskipped argument\n\
+	mov	r3, r2\n\
+	add	r4, r2, r4, lsl #2\n\
+	@ shuffle argv down\n\
+1:	ldr	r5, [r4], #4\n\
+	str	r5, [r3], #4\n\
+	cmp	r5, #0\n\
+	bne	1b\n\
+	@ shuffle envp down\n\
+1:	ldr	r5, [r4], #4\n\
+	str	r5, [r3], #4\n\
+	cmp	r5, #0\n\
+	bne	1b\n\
+	@ shuffle auxv down\n\
+1:	ldmia	r4!, {r0, r5}\n\
+	stmia	r3!, {r0, r5}\n\
+	cmp	r0, #0\n\
+	bne	1b\n\
+	@ Update _dl_argv\n\
+	ldr	r3, .L_ARGV\n\
+	str	r2, [sl, r3]\n\
+	b	.L_done_fixup\n\
+\n\
+.L_GET_GOT:\n\
+	.word	_GLOBAL_OFFSET_TABLE_ - .L_GET_GOT\n\
+.L_SKIP_ARGS:\n\
+	.word	_dl_skip_args(GOTOFF)\n\
+.L_FINI_PROC:\n\
+	.word	_dl_fini(GOTOFF)\n\
+.L_ARGV:\n\
+	.word	_dl_argv(GOTOFF)\n\
+.L_LOADED:\n\
+	.word	_rtld_local(GOTOFF)\n\
+.previous\n\
+");
+
+/* ELF_RTYPE_CLASS_PLT iff TYPE describes relocation of a PLT entry or
+   TLS variable, so undefined references 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.  */
+#ifndef RTLD_BOOTSTRAP
+# define elf_machine_type_class(type) \
+  ((((type) == R_ARM_JUMP_SLOT || (type) == R_ARM_TLS_DTPMOD32		\
+     || (type) == R_ARM_TLS_DTPOFF32 || (type) == R_ARM_TLS_TPOFF32	\
+     || (type) == R_ARM_TLS_DESC)					\
+    * ELF_RTYPE_CLASS_PLT)						\
+   | (((type) == R_ARM_COPY) * ELF_RTYPE_CLASS_COPY))
+#else
+#define elf_machine_type_class(type) \
+  ((((type) == R_ARM_JUMP_SLOT) * ELF_RTYPE_CLASS_PLT)	\
+   | (((type) == R_ARM_COPY) * ELF_RTYPE_CLASS_COPY))
+#endif
+
+/* A reloc type used for ld.so cmdline arg lookups to reject PLT entries.  */
+#define ELF_MACHINE_JMP_SLOT	R_ARM_JUMP_SLOT
+
+/* ARM never uses Elf32_Rela relocations for the dynamic linker.
+   Prelinked libraries may use Elf32_Rela though.  */
+#define ELF_MACHINE_PLT_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 (GLRO(dl_platform) != NULL && *GLRO(dl_platform) == '\0')
+    /* Avoid an empty string which would disturb us.  */
+    GLRO(dl_platform) = NULL;
+}
+
+static inline Elf32_Addr
+elf_machine_fixup_plt (struct link_map *map, lookup_t t,
+		       const Elf32_Rel *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_Rel *reloc,
+		       Elf32_Addr value)
+{
+  return value;
+}
+
+#endif /* !dl_machine_h */
+
+
+/* ARM never uses Elf32_Rela relocations for the dynamic linker.
+   Prelinked libraries may use Elf32_Rela though.  */
+#define ELF_MACHINE_NO_RELA defined RTLD_BOOTSTRAP
+
+/* Names of the architecture-specific auditing callback functions.  */
+#define ARCH_LA_PLTENTER arm_gnu_pltenter
+#define ARCH_LA_PLTEXIT arm_gnu_pltexit
+
+#ifdef RESOLVE_MAP
+
+/* Deal with an out-of-range PC24 reloc.  */
+auto Elf32_Addr
+fix_bad_pc24 (Elf32_Addr *const reloc_addr, Elf32_Addr value)
+{
+  static void *fix_page;
+  static unsigned int fix_offset;
+  static size_t pagesize;
+  Elf32_Word *fix_address;
+
+  if (! fix_page)
+    {
+      if (! pagesize)
+	pagesize = getpagesize ();
+      fix_page = mmap (NULL, pagesize, PROT_READ | PROT_WRITE | PROT_EXEC,
+		       MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
+      if (! fix_page)
+	assert (! "could not map page for fixup");
+      fix_offset = 0;
+    }
+
+  fix_address = (Elf32_Word *)(fix_page + fix_offset);
+  fix_address[0] = 0xe51ff004;	/* ldr pc, [pc, #-4] */
+  fix_address[1] = value;
+
+  fix_offset += 8;
+  if (fix_offset >= pagesize)
+    fix_page = NULL;
+
+  return (Elf32_Addr)fix_address;
+}
+
+/* Perform the relocation specified by RELOC and SYM (which is fully resolved).
+   MAP is the object containing the reloc.  */
+
+auto inline void
+__attribute__ ((always_inline))
+elf_machine_rel (struct link_map *map, const Elf32_Rel *reloc,
+		 const Elf32_Sym *sym, const struct r_found_version *version,
+		 void *const reloc_addr_arg, int skip_ifunc)
+{
+  Elf32_Addr *const reloc_addr = reloc_addr_arg;
+  const unsigned int r_type = ELF32_R_TYPE (reloc->r_info);
+
+#if !defined RTLD_BOOTSTRAP || !defined HAVE_Z_COMBRELOC
+  if (__builtin_expect (r_type == R_ARM_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.  */
+#  ifndef SHARED
+      weak_extern (_dl_rtld_map);
+#  endif
+      if (map != &GL(dl_rtld_map)) /* Already done in rtld itself.  */
+# endif
+	*reloc_addr += map->l_addr;
+    }
+# ifndef RTLD_BOOTSTRAP
+  else if (__builtin_expect (r_type == R_ARM_NONE, 0))
+    return;
+# endif
+  else
+#endif
+    {
+      const Elf32_Sym *const refsym = sym;
+      struct link_map *sym_map = RESOLVE_MAP (&sym, version, r_type);
+      Elf32_Addr value = sym_map == NULL ? 0 : sym_map->l_addr + sym->st_value;
+
+      if (sym != NULL
+	  && __builtin_expect (ELFW(ST_TYPE) (sym->st_info) == STT_GNU_IFUNC, 0)
+	  && __builtin_expect (sym->st_shndx != SHN_UNDEF, 1)
+	  && __builtin_expect (!skip_ifunc, 1))
+	value = elf_ifunc_invoke (value);
+
+      switch (r_type)
+	{
+	case R_ARM_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))
+	    {
+	      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_ARM_GLOB_DAT:
+	case R_ARM_JUMP_SLOT:
+# ifdef RTLD_BOOTSTRAP
+	  /* Fix weak undefined references.  */
+	  if (sym != NULL && sym->st_value == 0)
+	    *reloc_addr = 0;
+	  else
+# endif
+	    *reloc_addr = value;
+	  break;
+	case R_ARM_ABS32:
+	  {
+# ifndef RTLD_BOOTSTRAP
+	   /* 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.  */
+#  ifndef SHARED
+	    weak_extern (_dl_rtld_map);
+#  endif
+	    if (map == &GL(dl_rtld_map))
+	      /* Undo the relocation done here during bootstrapping.
+		 Now we will relocate it anew, possibly using a
+		 binding found in the user program or a loaded library
+		 rather than the dynamic linker's built-in definitions
+		 used while loading those libraries.  */
+	      value -= map->l_addr + refsym->st_value;
+# endif
+	    *reloc_addr += value;
+	    break;
+	  }
+	case R_ARM_TLS_DESC:
+	  {
+	    struct tlsdesc volatile *td =
+	      (struct tlsdesc volatile *)reloc_addr;
+
+# ifndef RTLD_BOOTSTRAP
+	    if (! sym)
+	      td->entry = _dl_tlsdesc_undefweak;
+	    else
+# endif
+	      {
+		value = sym->st_value + td->argument.value;
+
+# ifndef RTLD_BOOTSTRAP
+#  ifndef SHARED
+		CHECK_STATIC_TLS (map, sym_map);
+#  else
+		if (!TRY_STATIC_TLS (map, sym_map))
+		  {
+		    td->argument.pointer
+		      = _dl_make_tlsdesc_dynamic (sym_map, value);
+		    td->entry = _dl_tlsdesc_dynamic;
+		  }
+		else
+#  endif
+# endif
+		{
+		  td->argument.value = value + sym_map->l_tls_offset;
+		  td->entry = _dl_tlsdesc_return;
+		}
+	      }
+	    }
+	    break;
+	case R_ARM_PC24:
+	  {
+	     Elf32_Sword addend;
+	     Elf32_Addr newvalue, topbits;
+
+	     addend = *reloc_addr & 0x00ffffff;
+	     if (addend & 0x00800000) addend |= 0xff000000;
+
+	     newvalue = value - (Elf32_Addr)reloc_addr + (addend << 2);
+	     topbits = newvalue & 0xfe000000;
+	     if (topbits != 0xfe000000 && topbits != 0x00000000)
+	       {
+		 newvalue = fix_bad_pc24(reloc_addr, value)
+		   - (Elf32_Addr)reloc_addr + (addend << 2);
+		 topbits = newvalue & 0xfe000000;
+		 if (topbits != 0xfe000000 && topbits != 0x00000000)
+		   {
+		     _dl_signal_error (0, map->l_name, NULL,
+				       "R_ARM_PC24 relocation out of range");
+		   }
+	       }
+	     newvalue >>= 2;
+	     value = (*reloc_addr & 0xff000000) | (newvalue & 0x00ffffff);
+	     *reloc_addr = value;
+	  }
+	  break;
+#if !defined RTLD_BOOTSTRAP
+	case R_ARM_TLS_DTPMOD32:
+	  /* Get the information from the link map returned by the
+	     resolv function.  */
+	  if (sym_map != NULL)
+	    *reloc_addr = sym_map->l_tls_modid;
+	  break;
+
+	case R_ARM_TLS_DTPOFF32:
+	  if (sym != NULL)
+	    *reloc_addr += sym->st_value;
+	  break;
+
+	case R_ARM_TLS_TPOFF32:
+	  if (sym != NULL)
+	    {
+	      CHECK_STATIC_TLS (map, sym_map);
+	      *reloc_addr += sym->st_value + sym_map->l_tls_offset;
+	    }
+	  break;
+	case R_ARM_IRELATIVE:
+	  value = map->l_addr + *reloc_addr;
+	  value = ((Elf32_Addr (*) (void)) value) ();
+	  *reloc_addr = value;
+	  break;
+#endif
+	default:
+	  _dl_reloc_bad_type (map, r_type, 0);
+	  break;
+	}
+    }
+}
+
+# ifndef RTLD_BOOTSTRAP
+auto inline void
+__attribute__ ((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, int skip_ifunc)
+{
+  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_ARM_RELATIVE, 0))
+    *reloc_addr = map->l_addr + reloc->r_addend;
+  else if (__builtin_expect (r_type == R_ARM_NONE, 0))
+    return;
+  else
+    {
+# ifndef RESOLVE_CONFLICT_FIND_MAP
+      const Elf32_Sym *const refsym = sym;
+# endif
+      struct link_map *sym_map = RESOLVE_MAP (&sym, version, r_type);
+      Elf32_Addr value = sym_map == NULL ? 0 : sym_map->l_addr + sym->st_value;
+
+      if (sym != NULL
+	  && __builtin_expect (ELFW(ST_TYPE) (sym->st_info) == STT_GNU_IFUNC, 0)
+	  && __builtin_expect (sym->st_shndx != SHN_UNDEF, 1)
+	  && __builtin_expect (!skip_ifunc, 1))
+	value = elf_ifunc_invoke (value);
+
+      switch (r_type)
+	{
+#  ifndef RESOLVE_CONFLICT_FIND_MAP
+	  /* Not needed for dl-conflict.c.  */
+	case R_ARM_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))
+	    {
+	      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;
+#  endif /* !RESOLVE_CONFLICT_FIND_MAP */
+	case R_ARM_GLOB_DAT:
+	case R_ARM_JUMP_SLOT:
+	case R_ARM_ABS32:
+	  *reloc_addr = value + reloc->r_addend;
+	  break;
+	case R_ARM_PC24:
+	  {
+	     Elf32_Addr newvalue, topbits;
+
+	     newvalue = value + reloc->r_addend - (Elf32_Addr)reloc_addr;
+	     topbits = newvalue & 0xfe000000;
+	     if (topbits != 0xfe000000 && topbits != 0x00000000)
+	       {
+		 newvalue = fix_bad_pc24(reloc_addr, value)
+		   - (Elf32_Addr)reloc_addr + (reloc->r_addend << 2);
+		 topbits = newvalue & 0xfe000000;
+		 if (topbits != 0xfe000000 && topbits != 0x00000000)
+		   {
+		     _dl_signal_error (0, map->l_name, NULL,
+				       "R_ARM_PC24 relocation out of range");
+		   }
+	       }
+	     newvalue >>= 2;
+	     value = (*reloc_addr & 0xff000000) | (newvalue & 0x00ffffff);
+	     *reloc_addr = value;
+	  }
+	  break;
+#if !defined RTLD_BOOTSTRAP
+	case R_ARM_TLS_DTPMOD32:
+	  /* Get the information from the link map returned by the
+	     resolv function.  */
+	  if (sym_map != NULL)
+	    *reloc_addr = sym_map->l_tls_modid;
+	  break;
+
+	case R_ARM_TLS_DTPOFF32:
+	  *reloc_addr = (sym == NULL ? 0 : sym->st_value) + reloc->r_addend;
+	  break;
+
+	case R_ARM_TLS_TPOFF32:
+	  if (sym != NULL)
+	    {
+	      CHECK_STATIC_TLS (map, sym_map);
+	      *reloc_addr = (sym->st_value + sym_map->l_tls_offset
+			     + reloc->r_addend);
+	    }
+	  break;
+	case R_ARM_IRELATIVE:
+	  value = map->l_addr + *reloc_addr;
+	  value = ((Elf32_Addr (*) (void)) value) ();
+	  *reloc_addr = value;
+	  break;
+#endif
+	default:
+	  _dl_reloc_bad_type (map, r_type, 0);
+	  break;
+	}
+    }
+}
+# endif
+
+auto inline void
+__attribute__ ((always_inline))
+elf_machine_rel_relative (Elf32_Addr l_addr, const Elf32_Rel *reloc,
+			  void *const reloc_addr_arg)
+{
+  Elf32_Addr *const reloc_addr = reloc_addr_arg;
+  *reloc_addr += l_addr;
+}
+
+# ifndef RTLD_BOOTSTRAP
+auto inline void
+__attribute__ ((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;
+}
+# endif
+
+auto inline void
+__attribute__ ((always_inline))
+elf_machine_lazy_rel (struct link_map *map,
+		      Elf32_Addr l_addr, const Elf32_Rel *reloc,
+		      int skip_ifunc)
+{
+  Elf32_Addr *const reloc_addr = (void *) (l_addr + reloc->r_offset);
+  const unsigned int r_type = ELF32_R_TYPE (reloc->r_info);
+  /* Check for unexpected PLT reloc type.  */
+  if (__builtin_expect (r_type == R_ARM_JUMP_SLOT, 1))
+    {
+      if (__builtin_expect (map->l_mach.plt, 0) == 0)
+	*reloc_addr += l_addr;
+      else
+	*reloc_addr = map->l_mach.plt;
+    }
+  else if (__builtin_expect (r_type == R_ARM_TLS_DESC, 1))
+    {
+      struct tlsdesc volatile *td =
+	(struct tlsdesc volatile *)reloc_addr;
+
+      /* The linker must have given us the parameter we need in the
+	 first GOT entry, and left the second one empty. We fill the
+	 last with the resolver address */
+      assert (td->entry == 0);
+      td->entry = (void*)(D_PTR (map, l_info[ADDRIDX (DT_TLSDESC_PLT)])
+			  + map->l_addr);
+    }
+  else
+    _dl_reloc_bad_type (map, r_type, 1);
+}
+
+#endif /* RESOLVE_MAP */