diff options
Diffstat (limited to 'sysdeps/sparc/sparc64/dl-machine.h')
| -rw-r--r-- | sysdeps/sparc/sparc64/dl-machine.h | 685 |
1 files changed, 0 insertions, 685 deletions
diff --git a/sysdeps/sparc/sparc64/dl-machine.h b/sysdeps/sparc/sparc64/dl-machine.h deleted file mode 100644 index 1b59d78a25..0000000000 --- a/sysdeps/sparc/sparc64/dl-machine.h +++ /dev/null @@ -1,685 +0,0 @@ -/* Machine-dependent ELF dynamic relocation inline functions. Sparc64 version. - Copyright (C) 1997-2017 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 "sparc64" - -#include <string.h> -#include <sys/param.h> -#include <ldsodefs.h> -#include <sysdep.h> -#include <dl-plt.h> - -#define ELF64_R_TYPE_ID(info) ((info) & 0xff) -#define ELF64_R_TYPE_DATA(info) ((info) >> 8) - -/* Return nonzero iff ELF header is compatible with the running host. */ -static inline int -elf_machine_matches_host (const Elf64_Ehdr *ehdr) -{ - return ehdr->e_machine == EM_SPARCV9; -} - -/* We have to do this because elf_machine_{dynamic,load_address} can be - invoked from functions that have no GOT references, and thus the compiler - has no obligation to load the PIC register. */ -#define LOAD_PIC_REG(PIC_REG) \ -do { Elf64_Addr tmp; \ - __asm("sethi %%hi(_GLOBAL_OFFSET_TABLE_-4), %1\n\t" \ - "rd %%pc, %0\n\t" \ - "add %1, %%lo(_GLOBAL_OFFSET_TABLE_+4), %1\n\t" \ - "add %0, %1, %0" \ - : "=r" (PIC_REG), "=r" (tmp)); \ -} while (0) - -/* 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 Elf64_Addr -elf_machine_dynamic (void) -{ - register Elf64_Addr *elf_pic_register __asm__("%l7"); - - LOAD_PIC_REG (elf_pic_register); - - return *elf_pic_register; -} - -/* Return the run-time load address of the shared object. */ -static inline Elf64_Addr -elf_machine_load_address (void) -{ - register Elf32_Addr *pc __asm ("%o7"); - register Elf64_Addr *got __asm ("%l7"); - - __asm ("sethi %%hi(_GLOBAL_OFFSET_TABLE_-4), %1\n\t" - "call 1f\n\t" - " add %1, %%lo(_GLOBAL_OFFSET_TABLE_+4), %1\n\t" - "call _DYNAMIC\n\t" - "call _GLOBAL_OFFSET_TABLE_\n" - "1:\tadd %1, %0, %1\n\t" : "=r" (pc), "=r" (got)); - - /* got is now l_addr + _GLOBAL_OFFSET_TABLE_ - *got is _DYNAMIC - pc[2]*4 is l_addr + _DYNAMIC - (long)pc - 8 - pc[3]*4 is l_addr + _GLOBAL_OFFSET_TABLE_ - (long)pc - 12 */ - return (Elf64_Addr) got - *got + (Elf32_Sword) ((pc[2] - pc[3]) * 4) - 4; -} - -static inline Elf64_Addr __attribute__ ((always_inline)) -elf_machine_fixup_plt (struct link_map *map, lookup_t t, - const Elf64_Rela *reloc, - Elf64_Addr *reloc_addr, Elf64_Addr value) -{ - sparc64_fixup_plt (map, reloc, reloc_addr, value + reloc->r_addend, - reloc->r_addend, 1); - return value; -} - -/* Return the final value of a plt relocation. */ -static inline Elf64_Addr -elf_machine_plt_value (struct link_map *map, const Elf64_Rela *reloc, - Elf64_Addr value) -{ - /* Don't add addend here, but in elf_machine_fixup_plt instead. - value + reloc->r_addend is the value which should actually be - stored into .plt data slot. */ - return value; -} - -/* 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_COPY 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_SPARC_JMP_SLOT \ - || ((type) >= R_SPARC_TLS_GD_HI22 && (type) <= R_SPARC_TLS_TPOFF64)) \ - * ELF_RTYPE_CLASS_PLT) \ - | (((type) == R_SPARC_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_SPARC_JMP_SLOT - -/* The SPARC never uses Elf64_Rel relocations. */ -#define ELF_MACHINE_NO_REL 1 -#define ELF_MACHINE_NO_RELA 0 - -/* 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) -{ - if (l->l_info[DT_JMPREL] && lazy) - { - extern void _dl_runtime_resolve_0 (void); - extern void _dl_runtime_resolve_1 (void); - extern void _dl_runtime_profile_0 (void); - extern void _dl_runtime_profile_1 (void); - Elf64_Addr res0_addr, res1_addr; - unsigned int *plt = (void *) D_PTR (l, l_info[DT_PLTGOT]); - - if (__builtin_expect(profile, 0)) - { - res0_addr = (Elf64_Addr) &_dl_runtime_profile_0; - res1_addr = (Elf64_Addr) &_dl_runtime_profile_1; - - if (GLRO(dl_profile) != NULL - && _dl_name_match_p (GLRO(dl_profile), l)) - GL(dl_profile_map) = l; - } - else - { - res0_addr = (Elf64_Addr) &_dl_runtime_resolve_0; - res1_addr = (Elf64_Addr) &_dl_runtime_resolve_1; - } - - /* PLT0 looks like: - - sethi %uhi(_dl_runtime_{resolve,profile}_0), %g4 - sethi %hi(_dl_runtime_{resolve,profile}_0), %g5 - or %g4, %ulo(_dl_runtime_{resolve,profile}_0), %g4 - or %g5, %lo(_dl_runtime_{resolve,profile}_0), %g5 - sllx %g4, 32, %g4 - add %g4, %g5, %g5 - jmpl %g5, %g4 - nop - */ - - plt[0] = 0x09000000 | (res0_addr >> (64 - 22)); - plt[1] = 0x0b000000 | ((res0_addr >> 10) & 0x003fffff); - plt[2] = 0x88112000 | ((res0_addr >> 32) & 0x3ff); - plt[3] = 0x8a116000 | (res0_addr & 0x3ff); - plt[4] = 0x89293020; - plt[5] = 0x8a010005; - plt[6] = 0x89c14000; - plt[7] = 0x01000000; - - /* PLT1 looks like: - - sethi %uhi(_dl_runtime_{resolve,profile}_1), %g4 - sethi %hi(_dl_runtime_{resolve,profile}_1), %g5 - or %g4, %ulo(_dl_runtime_{resolve,profile}_1), %g4 - or %g5, %lo(_dl_runtime_{resolve,profile}_1), %g5 - sllx %g4, 32, %g4 - add %g4, %g5, %g5 - jmpl %g5, %g4 - nop - */ - - plt[8] = 0x09000000 | (res1_addr >> (64 - 22)); - plt[9] = 0x0b000000 | ((res1_addr >> 10) & 0x003fffff); - plt[10] = 0x88112000 | ((res1_addr >> 32) & 0x3ff); - plt[11] = 0x8a116000 | (res1_addr & 0x3ff); - plt[12] = 0x89293020; - plt[13] = 0x8a010005; - plt[14] = 0x89c14000; - plt[15] = 0x01000000; - - /* Now put the magic cookie at the beginning of .PLT2 - Entry .PLT3 is unused by this implementation. */ - *((struct link_map **)(&plt[16])) = l; - - if (__builtin_expect (l->l_info[VALIDX(DT_GNU_PRELINKED)] != NULL, 0) - || __builtin_expect (l->l_info [VALIDX (DT_GNU_LIBLISTSZ)] != NULL, 0)) - { - /* Need to reinitialize .plt to undo prelinking. */ - Elf64_Rela *rela = (Elf64_Rela *) D_PTR (l, l_info[DT_JMPREL]); - Elf64_Rela *relaend - = (Elf64_Rela *) ((char *) rela - + l->l_info[DT_PLTRELSZ]->d_un.d_val); - - /* prelink must ensure there are no R_SPARC_NONE relocs left - in .rela.plt. */ - while (rela < relaend) - { - if (__builtin_expect (rela->r_addend, 0) != 0) - { - Elf64_Addr slot = ((rela->r_offset + l->l_addr + 0x400 - - (Elf64_Addr) plt) - / 0x1400) * 0x1400 - + (Elf64_Addr) plt - 0x400; - /* ldx [%o7 + X], %g1 */ - unsigned int first_ldx = *(unsigned int *)(slot + 12); - Elf64_Addr ptr = slot + (first_ldx & 0xfff) + 4; - - *(Elf64_Addr *) (rela->r_offset + l->l_addr) - = (Elf64_Addr) plt - - (slot + ((rela->r_offset + l->l_addr - ptr) / 8) * 24 - + 4); - ++rela; - continue; - } - - *(unsigned int *) (rela->r_offset + l->l_addr) - = 0x03000000 | (rela->r_offset + l->l_addr - (Elf64_Addr) plt); - *(unsigned int *) (rela->r_offset + l->l_addr + 4) - = 0x30680000 | ((((Elf64_Addr) plt + 32 - rela->r_offset - - l->l_addr - 4) >> 2) & 0x7ffff); - __asm __volatile ("flush %0" : : "r" (rela->r_offset - + l->l_addr)); - __asm __volatile ("flush %0+4" : : "r" (rela->r_offset - + l->l_addr)); - ++rela; - } - } - } - - return lazy; -} - -/* The PLT uses Elf64_Rela relocs. */ -#define elf_machine_relplt elf_machine_rela - -/* Undo the sub %sp, 6*8, %sp; add %sp, STACK_BIAS + 22*8, %o0 below - (but w/o STACK_BIAS) to get at the value we want in __libc_stack_end. */ -#define DL_STACK_END(cookie) \ - ((void *) (((long) (cookie)) - (22 - 6) * 8)) - -/* 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_GOT_ADDRESS(pic_reg, reg, symbol) \ - "sethi %gdop_hix22(" #symbol "), " #reg "\n\t" \ - "xor " #reg ", %gdop_lox10(" #symbol "), " #reg "\n\t" \ - "ldx [" #pic_reg " + " #reg "], " #reg ", %gdop(" #symbol ")\n" - -#define __S1(x) #x -#define __S(x) __S1(x) - -#define RTLD_START __asm__ ( "\n" \ -" .text\n" \ -" .global _start\n" \ -" .type _start, @function\n" \ -" .align 32\n" \ -"_start:\n" \ -" /* Make room for functions to drop their arguments on the stack. */\n" \ -" sub %sp, 6*8, %sp\n" \ -" /* Pass pointer to argument block to _dl_start. */\n" \ -" call _dl_start\n" \ -" add %sp," __S(STACK_BIAS) "+22*8,%o0\n" \ -" /* FALLTHRU */\n" \ -" .size _start, .-_start\n" \ -"\n" \ -" .global _dl_start_user\n" \ -" .type _dl_start_user, @function\n" \ -"_dl_start_user:\n" \ -" /* Load the GOT register. */\n" \ -"1: call 11f\n" \ -" sethi %hi(_GLOBAL_OFFSET_TABLE_-(1b-.)), %l7\n" \ -"11: or %l7, %lo(_GLOBAL_OFFSET_TABLE_-(1b-.)), %l7\n" \ -" add %l7, %o7, %l7\n" \ -" /* Save the user entry point address in %l0. */\n" \ -" mov %o0, %l0\n" \ -" /* See if we were run as a command with the executable file name as an\n" \ -" extra leading argument. If so, we must shift things around since we\n" \ -" must keep the stack doubleword aligned. */\n" \ - RTLD_GOT_ADDRESS(%l7, %g5, _dl_skip_args) \ -" ld [%g5], %i0\n" \ -" brz,pt %i0, 2f\n" \ -" ldx [%sp + " __S(STACK_BIAS) " + 22*8], %i5\n" \ -" /* Find out how far to shift. */\n" \ -" sub %i5, %i0, %i5\n" \ -" sllx %i0, 3, %l6\n" \ - RTLD_GOT_ADDRESS(%l7, %l4, _dl_argv) \ -" stx %i5, [%sp + " __S(STACK_BIAS) " + 22*8]\n" \ -" add %sp, " __S(STACK_BIAS) " + 23*8, %i1\n" \ -" add %i1, %l6, %i2\n" \ -" ldx [%l4], %l5\n" \ -" /* Copy down argv. */\n" \ -"12: ldx [%i2], %i3\n" \ -" add %i2, 8, %i2\n" \ -" stx %i3, [%i1]\n" \ -" brnz,pt %i3, 12b\n" \ -" add %i1, 8, %i1\n" \ -" sub %l5, %l6, %l5\n" \ -" /* Copy down envp. */\n" \ -"13: ldx [%i2], %i3\n" \ -" add %i2, 8, %i2\n" \ -" stx %i3, [%i1]\n" \ -" brnz,pt %i3, 13b\n" \ -" add %i1, 8, %i1\n" \ -" /* Copy down auxiliary table. */\n" \ -"14: ldx [%i2], %i3\n" \ -" ldx [%i2 + 8], %i4\n" \ -" add %i2, 16, %i2\n" \ -" stx %i3, [%i1]\n" \ -" stx %i4, [%i1 + 8]\n" \ -" brnz,pt %i3, 14b\n" \ -" add %i1, 16, %i1\n" \ -" stx %l5, [%l4]\n" \ -" /* %o0 = _dl_loaded, %o1 = argc, %o2 = argv, %o3 = envp. */\n" \ -"2:\t" RTLD_GOT_ADDRESS(%l7, %o0, _rtld_local) \ -" sllx %i5, 3, %o3\n" \ -" add %sp, " __S(STACK_BIAS) " + 23*8, %o2\n" \ -" add %o3, 8, %o3\n" \ -" mov %i5, %o1\n" \ -" add %o2, %o3, %o3\n" \ -" call _dl_init\n" \ -" ldx [%o0], %o0\n" \ -" /* Pass our finalizer function to the user in %g1. */\n" \ - RTLD_GOT_ADDRESS(%l7, %g1, _dl_fini) \ -" /* Jump to the user's entry point and deallocate the extra stack we got. */\n" \ -" jmp %l0\n" \ -" add %sp, 6*8, %sp\n" \ -" .size _dl_start_user, . - _dl_start_user\n" \ -" .previous\n"); - -#endif /* dl_machine_h */ - -#define ARCH_LA_PLTENTER sparc64_gnu_pltenter -#define ARCH_LA_PLTEXIT sparc64_gnu_pltexit - -#ifdef RESOLVE_MAP - -/* 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_rela (struct link_map *map, const Elf64_Rela *reloc, - const Elf64_Sym *sym, const struct r_found_version *version, - void *const reloc_addr_arg, int skip_ifunc) -{ - Elf64_Addr *const reloc_addr = reloc_addr_arg; -#if !defined RTLD_BOOTSTRAP && !defined RESOLVE_CONFLICT_FIND_MAP - const Elf64_Sym *const refsym = sym; -#endif - Elf64_Addr value; - const unsigned long int r_type = ELF64_R_TYPE_ID (reloc->r_info); -#if !defined RESOLVE_CONFLICT_FIND_MAP - struct link_map *sym_map = NULL; -#endif - -#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); -#endif - - if (__glibc_unlikely (r_type == R_SPARC_NONE)) - return; - - if (__glibc_unlikely (r_type == R_SPARC_SIZE64)) - { - *reloc_addr = sym->st_size + reloc->r_addend; - return; - } - -#if !defined RTLD_BOOTSTRAP || !defined HAVE_Z_COMBRELOC - if (__glibc_unlikely (r_type == R_SPARC_RELATIVE)) - { -# if !defined RTLD_BOOTSTRAP && !defined HAVE_Z_COMBRELOC - if (map != &_dl_rtld_map) /* Already done in rtld itself. */ -# endif - *reloc_addr += map->l_addr + reloc->r_addend; - return; - } -#endif - -#ifndef RESOLVE_CONFLICT_FIND_MAP - if (__builtin_expect (ELF64_ST_BIND (sym->st_info) == STB_LOCAL, 0) - && sym->st_shndx != SHN_UNDEF) - { - value = map->l_addr; - } - else - { - sym_map = RESOLVE_MAP (&sym, version, r_type); - value = sym_map == NULL ? 0 : sym_map->l_addr + sym->st_value; - } -#else - value = 0; -#endif - - value += reloc->r_addend; /* Assume copy relocs have zero addend. */ - - 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 = ((Elf64_Addr (*) (int)) value) (GLRO(dl_hwcap)); - - switch (r_type) - { -#if !defined RTLD_BOOTSTRAP && !defined RESOLVE_CONFLICT_FIND_MAP - case R_SPARC_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, strtab + refsym->st_name); - } - memcpy (reloc_addr_arg, (void *) value, - MIN (sym->st_size, refsym->st_size)); - break; -#endif - case R_SPARC_64: - case R_SPARC_GLOB_DAT: - *reloc_addr = value; - break; - case R_SPARC_IRELATIVE: - value = ((Elf64_Addr (*) (int)) value) (GLRO(dl_hwcap)); - *reloc_addr = value; - break; - case R_SPARC_JMP_IREL: - value = ((Elf64_Addr (*) (int)) value) (GLRO(dl_hwcap)); - /* 'high' is always zero, for large PLT entries the linker - emits an R_SPARC_IRELATIVE. */ -#ifdef RESOLVE_CONFLICT_FIND_MAP - sparc64_fixup_plt (NULL, reloc, reloc_addr, value, 0, 0); -#else - sparc64_fixup_plt (map, reloc, reloc_addr, value, 0, 0); -#endif - break; - case R_SPARC_JMP_SLOT: -#ifdef RESOLVE_CONFLICT_FIND_MAP - /* R_SPARC_JMP_SLOT conflicts against .plt[32768+] - relocs should be turned into R_SPARC_64 relocs - in .gnu.conflict section. - r_addend non-zero does not mean it is a .plt[32768+] - reloc, instead it is the actual address of the function - to call. */ - sparc64_fixup_plt (NULL, reloc, reloc_addr, value, 0, 0); -#else - sparc64_fixup_plt (map, reloc, reloc_addr, value, reloc->r_addend, 0); -#endif - break; -#ifndef RESOLVE_CONFLICT_FIND_MAP - case R_SPARC_TLS_DTPMOD64: - /* 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_SPARC_TLS_DTPOFF64: - /* During relocation all TLS symbols are defined and used. - Therefore the offset is already correct. */ - *reloc_addr = (sym == NULL ? 0 : sym->st_value) + reloc->r_addend; - break; - case R_SPARC_TLS_TPOFF64: - /* The offset is negative, forward from the thread pointer. */ - /* We know the offset of object the symbol is contained in. - It is a negative value which will be added to the - thread pointer. */ - if (sym != NULL) - { - CHECK_STATIC_TLS (map, sym_map); - *reloc_addr = sym->st_value - sym_map->l_tls_offset - + reloc->r_addend; - } - break; -# ifndef RTLD_BOOTSTRAP - case R_SPARC_TLS_LE_HIX22: - case R_SPARC_TLS_LE_LOX10: - if (sym != NULL) - { - CHECK_STATIC_TLS (map, sym_map); - value = sym->st_value - sym_map->l_tls_offset - + reloc->r_addend; - if (r_type == R_SPARC_TLS_LE_HIX22) - *(unsigned int *)reloc_addr = - ((*(unsigned int *)reloc_addr & 0xffc00000) - | (((~value) >> 10) & 0x3fffff)); - else - *(unsigned int *)reloc_addr = - ((*(unsigned int *)reloc_addr & 0xffffe000) | (value & 0x3ff) - | 0x1c00); - } - break; -# endif -#endif -#ifndef RTLD_BOOTSTRAP - case R_SPARC_8: - *(char *) reloc_addr = value; - break; - case R_SPARC_16: - *(short *) reloc_addr = value; - break; - case R_SPARC_32: - *(unsigned int *) reloc_addr = value; - break; - case R_SPARC_DISP8: - *(char *) reloc_addr = (value - (Elf64_Addr) reloc_addr); - break; - case R_SPARC_DISP16: - *(short *) reloc_addr = (value - (Elf64_Addr) reloc_addr); - break; - case R_SPARC_DISP32: - *(unsigned int *) reloc_addr = (value - (Elf64_Addr) reloc_addr); - break; - case R_SPARC_DISP64: - *reloc_addr = (value - (Elf64_Addr) reloc_addr); - break; - case R_SPARC_REGISTER: - *reloc_addr = value; - break; - case R_SPARC_WDISP30: - *(unsigned int *) reloc_addr = - ((*(unsigned int *)reloc_addr & 0xc0000000) | - (((value - (Elf64_Addr) reloc_addr) >> 2) & 0x3fffffff)); - break; - - /* MEDLOW code model relocs */ - case R_SPARC_LO10: - *(unsigned int *) reloc_addr = - ((*(unsigned int *)reloc_addr & ~0x3ff) | - (value & 0x3ff)); - break; - case R_SPARC_HI22: - *(unsigned int *) reloc_addr = - ((*(unsigned int *)reloc_addr & 0xffc00000) | - ((value >> 10) & 0x3fffff)); - break; - case R_SPARC_OLO10: - *(unsigned int *) reloc_addr = - ((*(unsigned int *)reloc_addr & ~0x1fff) | - (((value & 0x3ff) + ELF64_R_TYPE_DATA (reloc->r_info)) & 0x1fff)); - break; - - /* ABS34 code model reloc */ - case R_SPARC_H34: - *(unsigned int *) reloc_addr = - ((*(unsigned int *)reloc_addr & 0xffc00000) | - ((value >> 12) & 0x3fffff)); - - /* MEDMID code model relocs */ - case R_SPARC_H44: - *(unsigned int *) reloc_addr = - ((*(unsigned int *)reloc_addr & 0xffc00000) | - ((value >> 22) & 0x3fffff)); - break; - case R_SPARC_M44: - *(unsigned int *) reloc_addr = - ((*(unsigned int *)reloc_addr & ~0x3ff) | - ((value >> 12) & 0x3ff)); - break; - case R_SPARC_L44: - *(unsigned int *) reloc_addr = - ((*(unsigned int *)reloc_addr & ~0xfff) | - (value & 0xfff)); - break; - - /* MEDANY code model relocs */ - case R_SPARC_HH22: - *(unsigned int *) reloc_addr = - ((*(unsigned int *)reloc_addr & 0xffc00000) | - (value >> 42)); - break; - case R_SPARC_HM10: - *(unsigned int *) reloc_addr = - ((*(unsigned int *)reloc_addr & ~0x3ff) | - ((value >> 32) & 0x3ff)); - break; - case R_SPARC_LM22: - *(unsigned int *) reloc_addr = - ((*(unsigned int *)reloc_addr & 0xffc00000) | - ((value >> 10) & 0x003fffff)); - break; - case R_SPARC_UA16: - ((unsigned char *) reloc_addr_arg) [0] = value >> 8; - ((unsigned char *) reloc_addr_arg) [1] = value; - break; - case R_SPARC_UA32: - ((unsigned char *) reloc_addr_arg) [0] = value >> 24; - ((unsigned char *) reloc_addr_arg) [1] = value >> 16; - ((unsigned char *) reloc_addr_arg) [2] = value >> 8; - ((unsigned char *) reloc_addr_arg) [3] = value; - break; - case R_SPARC_UA64: - if (! ((long) reloc_addr_arg & 3)) - { - /* Common in .eh_frame */ - ((unsigned int *) reloc_addr_arg) [0] = value >> 32; - ((unsigned int *) reloc_addr_arg) [1] = value; - break; - } - ((unsigned char *) reloc_addr_arg) [0] = value >> 56; - ((unsigned char *) reloc_addr_arg) [1] = value >> 48; - ((unsigned char *) reloc_addr_arg) [2] = value >> 40; - ((unsigned char *) reloc_addr_arg) [3] = value >> 32; - ((unsigned char *) reloc_addr_arg) [4] = value >> 24; - ((unsigned char *) reloc_addr_arg) [5] = value >> 16; - ((unsigned char *) reloc_addr_arg) [6] = value >> 8; - ((unsigned char *) reloc_addr_arg) [7] = value; - break; -#endif -#if !defined RTLD_BOOTSTRAP || defined _NDEBUG - default: - _dl_reloc_bad_type (map, r_type, 0); - break; -#endif - } -} - -auto inline void -__attribute__ ((always_inline)) -elf_machine_rela_relative (Elf64_Addr l_addr, const Elf64_Rela *reloc, - void *const reloc_addr_arg) -{ - Elf64_Addr *const reloc_addr = reloc_addr_arg; - *reloc_addr = l_addr + reloc->r_addend; -} - -auto inline void -__attribute__ ((always_inline)) -elf_machine_lazy_rel (struct link_map *map, - Elf64_Addr l_addr, const Elf64_Rela *reloc, - int skip_ifunc) -{ - Elf64_Addr *const reloc_addr = (void *) (l_addr + reloc->r_offset); - const unsigned int r_type = ELF64_R_TYPE (reloc->r_info); - - if (__glibc_likely (r_type == R_SPARC_JMP_SLOT)) - ; - else if (r_type == R_SPARC_JMP_IREL - || r_type == R_SPARC_IRELATIVE) - { - Elf64_Addr value = map->l_addr + reloc->r_addend; - if (__glibc_likely (!skip_ifunc)) - value = ((Elf64_Addr (*) (int)) value) (GLRO(dl_hwcap)); - if (r_type == R_SPARC_JMP_IREL) - { - /* 'high' is always zero, for large PLT entries the linker - emits an R_SPARC_IRELATIVE. */ - sparc64_fixup_plt (map, reloc, reloc_addr, value, 0, 1); - } - else - *reloc_addr = value; - } - else if (r_type == R_SPARC_NONE) - ; - else - _dl_reloc_bad_type (map, r_type, 1); -} - -#endif /* RESOLVE_MAP */ |