(root)/
glibc-2.38/
sysdeps/
sparc/
sparc64/
dl-machine.h
       1  /* Machine-dependent ELF dynamic relocation inline functions.  Sparc64 version.
       2     Copyright (C) 1997-2023 Free Software Foundation, Inc.
       3     This file is part of the GNU C Library.
       4  
       5     The GNU C Library is free software; you can redistribute it and/or
       6     modify it under the terms of the GNU Lesser General Public
       7     License as published by the Free Software Foundation; either
       8     version 2.1 of the License, or (at your option) any later version.
       9  
      10     The GNU C Library is distributed in the hope that it will be useful,
      11     but WITHOUT ANY WARRANTY; without even the implied warranty of
      12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      13     Lesser General Public License for more details.
      14  
      15     You should have received a copy of the GNU Lesser General Public
      16     License along with the GNU C Library; if not, see
      17     <https://www.gnu.org/licenses/>.  */
      18  
      19  #ifndef dl_machine_h
      20  #define dl_machine_h
      21  
      22  #define ELF_MACHINE_NAME "sparc64"
      23  
      24  #include <string.h>
      25  #include <sys/param.h>
      26  #include <ldsodefs.h>
      27  #include <sysdep.h>
      28  #include <dl-plt.h>
      29  #include <dl-static-tls.h>
      30  #include <dl-machine-rel.h>
      31  
      32  #define ELF64_R_TYPE_ID(info)	((info) & 0xff)
      33  #define ELF64_R_TYPE_DATA(info) ((info) >> 8)
      34  
      35  /* Return nonzero iff ELF header is compatible with the running host.  */
      36  static inline int
      37  elf_machine_matches_host (const Elf64_Ehdr *ehdr)
      38  {
      39    return ehdr->e_machine == EM_SPARCV9;
      40  }
      41  
      42  /* We have to do this because elf_machine_{dynamic,load_address} can be
      43     invoked from functions that have no GOT references, and thus the compiler
      44     has no obligation to load the PIC register.  */
      45  #define LOAD_PIC_REG(PIC_REG)	\
      46  do {	Elf64_Addr tmp;		\
      47  	__asm("sethi %%hi(_GLOBAL_OFFSET_TABLE_-4), %1\n\t" \
      48  	      "rd %%pc, %0\n\t" \
      49  	      "add %1, %%lo(_GLOBAL_OFFSET_TABLE_+4), %1\n\t" \
      50  	      "add %0, %1, %0" \
      51  	      : "=r" (PIC_REG), "=r" (tmp)); \
      52  } while (0)
      53  
      54  /* Return the link-time address of _DYNAMIC.  Conveniently, this is the
      55     first element of the GOT.  This must be inlined in a function which
      56     uses global data.  */
      57  static inline Elf64_Addr
      58  elf_machine_dynamic (void)
      59  {
      60    register Elf64_Addr *elf_pic_register __asm__("%l7");
      61  
      62    LOAD_PIC_REG (elf_pic_register);
      63  
      64    return *elf_pic_register;
      65  }
      66  
      67  /* Return the run-time load address of the shared object.  */
      68  static inline Elf64_Addr
      69  elf_machine_load_address (void)
      70  {
      71    register Elf32_Addr *pc __asm ("%o7");
      72    register Elf64_Addr *got __asm ("%l7");
      73  
      74    __asm ("sethi %%hi(_GLOBAL_OFFSET_TABLE_-4), %1\n\t"
      75  	 "call 1f\n\t"
      76  	 " add %1, %%lo(_GLOBAL_OFFSET_TABLE_+4), %1\n\t"
      77  	 "call _DYNAMIC\n\t"
      78  	 "call _GLOBAL_OFFSET_TABLE_\n"
      79  	 "1:\tadd %1, %0, %1\n\t" : "=r" (pc), "=r" (got));
      80  
      81    /* got is now l_addr + _GLOBAL_OFFSET_TABLE_
      82       *got is _DYNAMIC
      83       pc[2]*4 is l_addr + _DYNAMIC - (long)pc - 8
      84       pc[3]*4 is l_addr + _GLOBAL_OFFSET_TABLE_ - (long)pc - 12  */
      85    return (Elf64_Addr) got - *got + (Elf32_Sword) ((pc[2] - pc[3]) * 4) - 4;
      86  }
      87  
      88  static inline Elf64_Addr __attribute__ ((always_inline))
      89  elf_machine_fixup_plt (struct link_map *map, lookup_t t,
      90  		       const ElfW(Sym) *refsym, const ElfW(Sym) *sym,
      91  		       const Elf64_Rela *reloc,
      92  		       Elf64_Addr *reloc_addr, Elf64_Addr value)
      93  {
      94    sparc64_fixup_plt (map, reloc, reloc_addr, value + reloc->r_addend,
      95  		     reloc->r_addend, 1);
      96    return value;
      97  }
      98  
      99  /* Return the final value of a plt relocation.  */
     100  static inline Elf64_Addr
     101  elf_machine_plt_value (struct link_map *map, const Elf64_Rela *reloc,
     102  		       Elf64_Addr value)
     103  {
     104    /* Don't add addend here, but in elf_machine_fixup_plt instead.
     105       value + reloc->r_addend is the value which should actually be
     106       stored into .plt data slot.  */
     107    return value;
     108  }
     109  
     110  /* ELF_RTYPE_CLASS_PLT iff TYPE describes relocation of a PLT entry, so
     111     PLT entries should not be allowed to define the value.
     112     ELF_RTYPE_CLASS_COPY iff TYPE should not be allowed to resolve to one
     113     of the main executable's symbols, as for a COPY reloc.  */
     114  #define elf_machine_type_class(type) \
     115    ((((type) == R_SPARC_JMP_SLOT						      \
     116       || ((type) >= R_SPARC_TLS_GD_HI22 && (type) <= R_SPARC_TLS_TPOFF64))     \
     117      * ELF_RTYPE_CLASS_PLT)						      \
     118     | (((type) == R_SPARC_COPY) * ELF_RTYPE_CLASS_COPY))
     119  
     120  /* A reloc type used for ld.so cmdline arg lookups to reject PLT entries.  */
     121  #define ELF_MACHINE_JMP_SLOT	R_SPARC_JMP_SLOT
     122  
     123  /* Set up the loaded object described by L so its unrelocated PLT
     124     entries will jump to the on-demand fixup code in dl-runtime.c.  */
     125  
     126  static inline int
     127  elf_machine_runtime_setup (struct link_map *l, struct r_scope_elem *scope[],
     128  			   int lazy, int profile)
     129  {
     130    if (l->l_info[DT_JMPREL] && lazy)
     131      {
     132        extern void _dl_runtime_resolve_0 (void);
     133        extern void _dl_runtime_resolve_1 (void);
     134        extern void _dl_runtime_profile_0 (void);
     135        extern void _dl_runtime_profile_1 (void);
     136        Elf64_Addr res0_addr, res1_addr;
     137        unsigned int *plt = (void *) D_PTR (l, l_info[DT_PLTGOT]);
     138  
     139        if (__builtin_expect(profile, 0))
     140  	{
     141  	  res0_addr = (Elf64_Addr) &_dl_runtime_profile_0;
     142  	  res1_addr = (Elf64_Addr) &_dl_runtime_profile_1;
     143  
     144  	  if (GLRO(dl_profile) != NULL
     145  	      && _dl_name_match_p (GLRO(dl_profile), l))
     146  	    GL(dl_profile_map) = l;
     147  	}
     148        else
     149  	{
     150  	  res0_addr = (Elf64_Addr) &_dl_runtime_resolve_0;
     151  	  res1_addr = (Elf64_Addr) &_dl_runtime_resolve_1;
     152  	}
     153  
     154        /* PLT0 looks like:
     155  
     156  	 sethi	%uhi(_dl_runtime_{resolve,profile}_0), %g4
     157  	 sethi	%hi(_dl_runtime_{resolve,profile}_0), %g5
     158  	 or	%g4, %ulo(_dl_runtime_{resolve,profile}_0), %g4
     159  	 or	%g5, %lo(_dl_runtime_{resolve,profile}_0), %g5
     160  	 sllx	%g4, 32, %g4
     161  	 add	%g4, %g5, %g5
     162  	 jmpl	%g5, %g4
     163  	  nop
     164         */
     165  
     166        plt[0] = 0x09000000 | (res0_addr >> (64 - 22));
     167        plt[1] = 0x0b000000 | ((res0_addr >> 10) & 0x003fffff);
     168        plt[2] = 0x88112000 | ((res0_addr >> 32) & 0x3ff);
     169        plt[3] = 0x8a116000 | (res0_addr & 0x3ff);
     170        plt[4] = 0x89293020;
     171        plt[5] = 0x8a010005;
     172        plt[6] = 0x89c14000;
     173        plt[7] = 0x01000000;
     174  
     175        /* PLT1 looks like:
     176  
     177  	 sethi	%uhi(_dl_runtime_{resolve,profile}_1), %g4
     178  	 sethi	%hi(_dl_runtime_{resolve,profile}_1), %g5
     179  	 or	%g4, %ulo(_dl_runtime_{resolve,profile}_1), %g4
     180  	 or	%g5, %lo(_dl_runtime_{resolve,profile}_1), %g5
     181  	 sllx	%g4, 32, %g4
     182  	 add	%g4, %g5, %g5
     183  	 jmpl	%g5, %g4
     184  	  nop
     185         */
     186  
     187        plt[8] = 0x09000000 | (res1_addr >> (64 - 22));
     188        plt[9] = 0x0b000000 | ((res1_addr >> 10) & 0x003fffff);
     189        plt[10] = 0x88112000 | ((res1_addr >> 32) & 0x3ff);
     190        plt[11] = 0x8a116000 | (res1_addr & 0x3ff);
     191        plt[12] = 0x89293020;
     192        plt[13] = 0x8a010005;
     193        plt[14] = 0x89c14000;
     194        plt[15] = 0x01000000;
     195  
     196        /* Now put the magic cookie at the beginning of .PLT2
     197  	 Entry .PLT3 is unused by this implementation.  */
     198        *((struct link_map **)(&plt[16])) = l;
     199      }
     200  
     201    return lazy;
     202  }
     203  
     204  /* The PLT uses Elf64_Rela relocs.  */
     205  #define elf_machine_relplt elf_machine_rela
     206  
     207  /* Undo the sub %sp, 6*8, %sp; add %sp, STACK_BIAS + 22*8, %o0 below
     208     (but w/o STACK_BIAS) to get at the value we want in __libc_stack_end.  */
     209  #define DL_STACK_END(cookie) \
     210    ((void *) (((long) (cookie)) - (22 - 6) * 8))
     211  
     212  /* Initial entry point code for the dynamic linker.
     213     The C function `_dl_start' is the real entry point;
     214     its return value is the user program's entry point.  */
     215  
     216  #define RTLD_GOT_ADDRESS(pic_reg, reg, symbol)	\
     217  	"sethi	%gdop_hix22(" #symbol "), " #reg "\n\t" \
     218  	"xor	" #reg ", %gdop_lox10(" #symbol "), " #reg "\n\t" \
     219  	"ldx	[" #pic_reg " + " #reg "], " #reg ", %gdop(" #symbol ")\n"
     220  
     221  #define __S1(x)	#x
     222  #define __S(x)	__S1(x)
     223  
     224  #define RTLD_START __asm__ ( "\n"					\
     225  "	.text\n"							\
     226  "	.global	_start\n"						\
     227  "	.type	_start, @function\n"					\
     228  "	.align	32\n"							\
     229  "_start:\n"								\
     230  "   /* Make room for functions to drop their arguments on the stack.  */\n" \
     231  "	sub	%sp, 6*8, %sp\n"					\
     232  "   /* Pass pointer to argument block to _dl_start.  */\n"		\
     233  "	call	_dl_start\n"						\
     234  "	 add	 %sp," __S(STACK_BIAS) "+22*8,%o0\n"			\
     235  "	/* FALLTHRU */\n"						\
     236  "	.size _start, .-_start\n"					\
     237  "\n"									\
     238  "	.global	_dl_start_user\n"					\
     239  "	.type	_dl_start_user, @function\n"				\
     240  "_dl_start_user:\n"							\
     241  "   /* Load the GOT register.  */\n"					\
     242  "1:	call	11f\n"							\
     243  "	 sethi	%hi(_GLOBAL_OFFSET_TABLE_-(1b-.)), %l7\n"		\
     244  "11:	or	%l7, %lo(_GLOBAL_OFFSET_TABLE_-(1b-.)), %l7\n"		\
     245  "	add	%l7, %o7, %l7\n"					\
     246  "   /* Save the user entry point address in %l0.  */\n"			\
     247  "	mov	%o0, %l0\n"						\
     248  "	ldx	[%sp + " __S(STACK_BIAS) " + 22*8], %i5\n"		\
     249  "  /* %o0 = _dl_loaded, %o1 = argc, %o2 = argv, %o3 = envp.  */\n"	\
     250  ""	RTLD_GOT_ADDRESS(%l7, %o0, _rtld_local)				\
     251  "	sllx	%i5, 3, %o3\n"						\
     252  "	add	%sp, " __S(STACK_BIAS) " + 23*8, %o2\n"			\
     253  "	add	%o3, 8, %o3\n"						\
     254  "	mov	%i5, %o1\n"						\
     255  "	add	%o2, %o3, %o3\n"					\
     256  "	call	_dl_init\n"						\
     257  "	 ldx	[%o0], %o0\n"						\
     258  "   /* Pass our finalizer function to the user in %g1.  */\n"		\
     259         RTLD_GOT_ADDRESS(%l7, %g1, _dl_fini)				\
     260  "  /* Jump to the user's entry point and deallocate the extra stack we got.  */\n" \
     261  "	jmp	%l0\n"							\
     262  "	 add	%sp, 6*8, %sp\n"					\
     263  "	.size	_dl_start_user, . - _dl_start_user\n"			\
     264  "	.previous\n");
     265  
     266  #endif /* dl_machine_h */
     267  
     268  #define ARCH_LA_PLTENTER	sparc64_gnu_pltenter
     269  #define ARCH_LA_PLTEXIT		sparc64_gnu_pltexit
     270  
     271  #ifdef RESOLVE_MAP
     272  
     273  /* Perform the relocation specified by RELOC and SYM (which is fully resolved).
     274     MAP is the object containing the reloc.  */
     275  
     276  static inline void
     277  __attribute__ ((always_inline))
     278  elf_machine_rela (struct link_map *map, struct r_scope_elem *scope[],
     279  		  const Elf64_Rela *reloc, const Elf64_Sym *sym,
     280  		  const struct r_found_version *version,
     281  		  void *const reloc_addr_arg, int skip_ifunc)
     282  {
     283    Elf64_Addr *const reloc_addr = reloc_addr_arg;
     284  #if !defined RTLD_BOOTSTRAP
     285    const Elf64_Sym *const refsym = sym;
     286  #endif
     287    Elf64_Addr value;
     288    const unsigned long int r_type = ELF64_R_TYPE_ID (reloc->r_info);
     289    struct link_map *sym_map = NULL;
     290  
     291    if (__glibc_unlikely (r_type == R_SPARC_NONE))
     292      return;
     293  
     294    if (__glibc_unlikely (r_type == R_SPARC_SIZE64))
     295      {
     296        *reloc_addr = sym->st_size + reloc->r_addend;
     297        return;
     298      }
     299  
     300  #if !defined RTLD_BOOTSTRAP
     301    if (__glibc_unlikely (r_type == R_SPARC_RELATIVE))
     302      {
     303        *reloc_addr += map->l_addr + reloc->r_addend;
     304        return;
     305      }
     306  #endif
     307  
     308    if (__builtin_expect (ELF64_ST_BIND (sym->st_info) == STB_LOCAL, 0)
     309        && sym->st_shndx != SHN_UNDEF)
     310      {
     311        sym_map = map;
     312        value = map->l_addr;
     313      }
     314    else
     315      {
     316        sym_map = RESOLVE_MAP (map, scope, &sym, version, r_type);
     317        value = SYMBOL_ADDRESS (sym_map, sym, true);
     318      }
     319  
     320    value += reloc->r_addend;	/* Assume copy relocs have zero addend.  */
     321  
     322    if (sym != NULL
     323        && __builtin_expect (ELFW(ST_TYPE) (sym->st_info) == STT_GNU_IFUNC, 0)
     324        && __builtin_expect (sym->st_shndx != SHN_UNDEF, 1)
     325        && __builtin_expect (!skip_ifunc, 1))
     326      value = ((Elf64_Addr (*) (int)) value) (GLRO(dl_hwcap));
     327  
     328    switch (r_type)
     329      {
     330  #if !defined RTLD_BOOTSTRAP
     331      case R_SPARC_COPY:
     332        if (sym == NULL)
     333  	/* This can happen in trace mode if an object could not be
     334  	   found.  */
     335  	break;
     336        if (sym->st_size > refsym->st_size
     337  	  || (GLRO(dl_verbose) && sym->st_size < refsym->st_size))
     338  	{
     339  	  const char *strtab;
     340  
     341  	  strtab = (const void *) D_PTR (map, l_info[DT_STRTAB]);
     342  	  _dl_error_printf ("\
     343  %s: Symbol `%s' has different size in shared object, consider re-linking\n",
     344  			    RTLD_PROGNAME, strtab + refsym->st_name);
     345  	}
     346        memcpy (reloc_addr_arg, (void *) value,
     347  	      MIN (sym->st_size, refsym->st_size));
     348        break;
     349  #endif
     350      case R_SPARC_64:
     351      case R_SPARC_GLOB_DAT:
     352        *reloc_addr = value;
     353        break;
     354      case R_SPARC_IRELATIVE:
     355        if (__glibc_likely (!skip_ifunc))
     356  	value = ((Elf64_Addr (*) (int)) value) (GLRO(dl_hwcap));
     357        *reloc_addr = value;
     358        break;
     359      case R_SPARC_JMP_IREL:
     360        if (__glibc_likely (!skip_ifunc))
     361  	value = ((Elf64_Addr (*) (int)) value) (GLRO(dl_hwcap));
     362        /* 'high' is always zero, for large PLT entries the linker
     363  	 emits an R_SPARC_IRELATIVE.  */
     364        sparc64_fixup_plt (map, reloc, reloc_addr, value, 0, 0);
     365        break;
     366      case R_SPARC_JMP_SLOT:
     367        sparc64_fixup_plt (map, reloc, reloc_addr, value, reloc->r_addend, 0);
     368        break;
     369      case R_SPARC_TLS_DTPMOD64:
     370        /* Get the information from the link map returned by the
     371  	 resolv function.  */
     372        if (sym_map != NULL)
     373  	*reloc_addr = sym_map->l_tls_modid;
     374        break;
     375      case R_SPARC_TLS_DTPOFF64:
     376        /* During relocation all TLS symbols are defined and used.
     377  	 Therefore the offset is already correct.  */
     378        *reloc_addr = (sym == NULL ? 0 : sym->st_value) + reloc->r_addend;
     379        break;
     380      case R_SPARC_TLS_TPOFF64:
     381        /* The offset is negative, forward from the thread pointer.  */
     382        /* We know the offset of object the symbol is contained in.
     383  	 It is a negative value which will be added to the
     384  	 thread pointer.  */
     385        if (sym != NULL)
     386  	{
     387  	  CHECK_STATIC_TLS (map, sym_map);
     388  	  *reloc_addr = sym->st_value - sym_map->l_tls_offset
     389  	    + reloc->r_addend;
     390  	}
     391        break;
     392  #ifndef RTLD_BOOTSTRAP
     393      case R_SPARC_TLS_LE_HIX22:
     394      case R_SPARC_TLS_LE_LOX10:
     395        if (sym != NULL)
     396  	{
     397  	  CHECK_STATIC_TLS (map, sym_map);
     398  	  value = sym->st_value - sym_map->l_tls_offset
     399  	    + reloc->r_addend;
     400  	  if (r_type == R_SPARC_TLS_LE_HIX22)
     401  	    *(unsigned int *)reloc_addr =
     402  	      ((*(unsigned int *)reloc_addr & 0xffc00000)
     403  	       | (((~value) >> 10) & 0x3fffff));
     404  	  else
     405  	    *(unsigned int *)reloc_addr =
     406  	      ((*(unsigned int *)reloc_addr & 0xffffe000) | (value & 0x3ff)
     407  	       | 0x1c00);
     408  	}
     409        break;
     410  #endif
     411  #ifndef RTLD_BOOTSTRAP
     412      case R_SPARC_8:
     413        *(char *) reloc_addr = value;
     414        break;
     415      case R_SPARC_16:
     416        *(short *) reloc_addr = value;
     417        break;
     418      case R_SPARC_32:
     419        *(unsigned int *) reloc_addr = value;
     420        break;
     421      case R_SPARC_DISP8:
     422        *(char *) reloc_addr = (value - (Elf64_Addr) reloc_addr);
     423        break;
     424      case R_SPARC_DISP16:
     425        *(short *) reloc_addr = (value - (Elf64_Addr) reloc_addr);
     426        break;
     427      case R_SPARC_DISP32:
     428        *(unsigned int *) reloc_addr = (value - (Elf64_Addr) reloc_addr);
     429        break;
     430      case R_SPARC_DISP64:
     431        *reloc_addr = (value - (Elf64_Addr) reloc_addr);
     432        break;
     433      case R_SPARC_REGISTER:
     434        *reloc_addr = value;
     435        break;
     436      case R_SPARC_WDISP30:
     437        *(unsigned int *) reloc_addr =
     438  	((*(unsigned int *)reloc_addr & 0xc0000000)
     439  	 | (((value - (Elf64_Addr) reloc_addr) >> 2) & 0x3fffffff));
     440        break;
     441  
     442        /* MEDLOW code model relocs */
     443      case R_SPARC_LO10:
     444        *(unsigned int *) reloc_addr =
     445  	((*(unsigned int *)reloc_addr & ~0x3ff)
     446  	 | (value & 0x3ff));
     447        break;
     448      case R_SPARC_HI22:
     449        *(unsigned int *) reloc_addr =
     450  	((*(unsigned int *)reloc_addr & 0xffc00000)
     451  	 | ((value >> 10) & 0x3fffff));
     452        break;
     453      case R_SPARC_OLO10:
     454        *(unsigned int *) reloc_addr =
     455  	((*(unsigned int *)reloc_addr & ~0x1fff)
     456  	 | (((value & 0x3ff) + ELF64_R_TYPE_DATA (reloc->r_info)) & 0x1fff));
     457        break;
     458  
     459        /* ABS34 code model reloc */
     460      case R_SPARC_H34:
     461        *(unsigned int *) reloc_addr =
     462  	((*(unsigned int *)reloc_addr & 0xffc00000)
     463  	 | ((value >> 12) & 0x3fffff));
     464        break;
     465  
     466        /* MEDMID code model relocs */
     467      case R_SPARC_H44:
     468        *(unsigned int *) reloc_addr =
     469  	((*(unsigned int *)reloc_addr & 0xffc00000)
     470  	 | ((value >> 22) & 0x3fffff));
     471        break;
     472      case R_SPARC_M44:
     473        *(unsigned int *) reloc_addr =
     474  	((*(unsigned int *)reloc_addr & ~0x3ff)
     475  	 | ((value >> 12) & 0x3ff));
     476        break;
     477      case R_SPARC_L44:
     478        *(unsigned int *) reloc_addr =
     479  	((*(unsigned int *)reloc_addr & ~0xfff)
     480  	 | (value & 0xfff));
     481        break;
     482  
     483        /* MEDANY code model relocs */
     484      case R_SPARC_HH22:
     485        *(unsigned int *) reloc_addr =
     486  	((*(unsigned int *)reloc_addr & 0xffc00000)
     487  	 | (value >> 42));
     488        break;
     489      case R_SPARC_HM10:
     490        *(unsigned int *) reloc_addr =
     491  	((*(unsigned int *)reloc_addr & ~0x3ff)
     492  	 | ((value >> 32) & 0x3ff));
     493        break;
     494      case R_SPARC_LM22:
     495        *(unsigned int *) reloc_addr =
     496  	((*(unsigned int *)reloc_addr & 0xffc00000)
     497  	 | ((value >> 10) & 0x003fffff));
     498        break;
     499      case R_SPARC_UA16:
     500        ((unsigned char *) reloc_addr_arg) [0] = value >> 8;
     501        ((unsigned char *) reloc_addr_arg) [1] = value;
     502        break;
     503      case R_SPARC_UA32:
     504        ((unsigned char *) reloc_addr_arg) [0] = value >> 24;
     505        ((unsigned char *) reloc_addr_arg) [1] = value >> 16;
     506        ((unsigned char *) reloc_addr_arg) [2] = value >> 8;
     507        ((unsigned char *) reloc_addr_arg) [3] = value;
     508        break;
     509      case R_SPARC_UA64:
     510        if (! ((long) reloc_addr_arg & 3))
     511  	{
     512  	  /* Common in .eh_frame */
     513  	  ((unsigned int *) reloc_addr_arg) [0] = value >> 32;
     514  	  ((unsigned int *) reloc_addr_arg) [1] = value;
     515  	  break;
     516  	}
     517        ((unsigned char *) reloc_addr_arg) [0] = value >> 56;
     518        ((unsigned char *) reloc_addr_arg) [1] = value >> 48;
     519        ((unsigned char *) reloc_addr_arg) [2] = value >> 40;
     520        ((unsigned char *) reloc_addr_arg) [3] = value >> 32;
     521        ((unsigned char *) reloc_addr_arg) [4] = value >> 24;
     522        ((unsigned char *) reloc_addr_arg) [5] = value >> 16;
     523        ((unsigned char *) reloc_addr_arg) [6] = value >> 8;
     524        ((unsigned char *) reloc_addr_arg) [7] = value;
     525        break;
     526  #endif
     527  #if !defined RTLD_BOOTSTRAP || defined _NDEBUG
     528      default:
     529        _dl_reloc_bad_type (map, r_type, 0);
     530        break;
     531  #endif
     532      }
     533  }
     534  
     535  static inline void
     536  __attribute__ ((always_inline))
     537  elf_machine_rela_relative (Elf64_Addr l_addr, const Elf64_Rela *reloc,
     538  			   void *const reloc_addr_arg)
     539  {
     540    Elf64_Addr *const reloc_addr = reloc_addr_arg;
     541    *reloc_addr = l_addr + reloc->r_addend;
     542  }
     543  
     544  static inline void
     545  __attribute__ ((always_inline))
     546  elf_machine_lazy_rel (struct link_map *map, struct r_scope_elem *scope[],
     547  		      Elf64_Addr l_addr, const Elf64_Rela *reloc,
     548  		      int skip_ifunc)
     549  {
     550    Elf64_Addr *const reloc_addr = (void *) (l_addr + reloc->r_offset);
     551    const unsigned int r_type = ELF64_R_TYPE (reloc->r_info);
     552  
     553    if (__glibc_likely (r_type == R_SPARC_JMP_SLOT))
     554      ;
     555    else if (r_type == R_SPARC_JMP_IREL
     556  	   || r_type == R_SPARC_IRELATIVE)
     557      {
     558        Elf64_Addr value = map->l_addr + reloc->r_addend;
     559        if (__glibc_likely (!skip_ifunc))
     560  	value = ((Elf64_Addr (*) (int)) value) (GLRO(dl_hwcap));
     561        if (r_type == R_SPARC_JMP_IREL)
     562  	{
     563  	  /* 'high' is always zero, for large PLT entries the linker
     564  	     emits an R_SPARC_IRELATIVE.  */
     565  	  sparc64_fixup_plt (map, reloc, reloc_addr, value, 0, 1);
     566  	}
     567        else
     568  	*reloc_addr = value;
     569      }
     570    else if (r_type == R_SPARC_NONE)
     571      ;
     572    else
     573      _dl_reloc_bad_type (map, r_type, 1);
     574  }
     575  
     576  #endif	/* RESOLVE_MAP */