919 lines
33 KiB
C
919 lines
33 KiB
C
/* Copyright (C) 2011 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
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Based on work contributed by by Carl Pederson & Martin Schwidefsky.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#ifndef dl_machine_h
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#define dl_machine_h
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#ifdef __tilegx__
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#define ELF_MACHINE_NAME "tilegx"
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#else
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#define ELF_MACHINE_NAME "tilepro"
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#endif
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#include <sys/param.h>
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#include <string.h>
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#include <link.h>
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#include <bits/wordsize.h>
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#include <arch/icache.h>
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#include <arch/opcode.h>
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/* Return nonzero iff ELF header is compatible with the running host. */
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static inline int
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elf_machine_matches_host (const ElfW(Ehdr) *ehdr)
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{
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#if defined __tilegx__
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if (ehdr->e_machine != EM_TILEGX)
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return 0;
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# if __WORDSIZE == 32
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return (ehdr->e_ident[EI_CLASS] == ELFCLASS32);
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# else
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return (ehdr->e_ident[EI_CLASS] == ELFCLASS64);
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# endif
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#elif defined __tilepro__
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return ehdr->e_machine == EM_TILEPRO;
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#else
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# error "Unknown tile architecture."
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#endif
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}
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/* Return the link-time address of _DYNAMIC. Conveniently, this is the
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first element of the GOT. This must be inlined in a function which
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uses global data. */
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static inline ElfW(Addr)
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elf_machine_dynamic (void)
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{
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ElfW(Addr) *got;
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#ifdef __tilegx__
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ElfW(Addr) tmp;
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asm( " { lnk %0; moveli %1, hw2_last(_GLOBAL_OFFSET_TABLE_ - 1f) }\n"
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"1: shl16insli %1, %1, hw1(_GLOBAL_OFFSET_TABLE_ - 1b)\n"
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" shl16insli %1, %1, hw0(_GLOBAL_OFFSET_TABLE_ - 1b)\n"
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" add %0, %0, %1"
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: "=r" (got), "=r" (tmp));
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#else
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asm( " lnk %0\n"
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"1: addli %0, %0, lo16(_GLOBAL_OFFSET_TABLE_ - 1b)\n"
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" auli %0, %0, ha16(_GLOBAL_OFFSET_TABLE_ - 1b)"
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: "=r" (got));
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#endif
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return *got;
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}
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/* Return the run-time load address of the shared object. */
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static inline ElfW(Addr)
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elf_machine_load_address (void)
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{
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ElfW(Addr) *got;
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ElfW(Addr) dynamic;
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#ifdef __tilegx__
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ElfW(Addr) tmp;
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asm( " lnk %2\n"
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"1: {\n"
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" moveli %0, hw2_last(_GLOBAL_OFFSET_TABLE_ - 1b)\n"
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" moveli %1, hw2_last(_DYNAMIC - 1b)\n"
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" }\n"
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" {\n"
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" shl16insli %0, %0, hw1(_GLOBAL_OFFSET_TABLE_ - 1b)\n"
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" shl16insli %1, %1, hw1(_DYNAMIC - 1b)\n"
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" }\n"
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" {\n"
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" shl16insli %0, %0, hw0(_GLOBAL_OFFSET_TABLE_ - 1b)\n"
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" shl16insli %1, %1, hw0(_DYNAMIC - 1b)\n"
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" }\n"
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" {\n"
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" add %0, %0, %2\n"
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" add %1, %1, %2\n"
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" }"
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: "=r" (got), "=r" (dynamic), "=r" (tmp));
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#else
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asm( " lnk %0\n"
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"1: {\n"
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" addli %0, %0, lo16(_GLOBAL_OFFSET_TABLE_ - 1b)\n"
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" addli %1, %0, lo16(_DYNAMIC - 1b)\n"
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" }\n"
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" {\n"
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" auli %0, %0, ha16(_GLOBAL_OFFSET_TABLE_ - 1b)\n"
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" auli %1, %1, ha16(_DYNAMIC - 1b)\n"
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" }\n"
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: "=r" (got), "=r" (dynamic));
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#endif
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return dynamic - *got;
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}
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/* Flush some range of the instruction cache. If invoked prior to
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actually setting dl_pagesize, we conservatively use 4KB, which
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is the smallest page size we could plausibly be running with. */
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static inline void
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_dl_flush_icache (const void *addr, unsigned long size)
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{
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invalidate_icache (addr, size, GLRO(dl_pagesize) ? : 4096);
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}
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/* Set up the loaded object described by L so its unrelocated PLT
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entries will jump to the on-demand fixup code in dl-runtime.c. */
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static inline int __attribute__ ((unused))
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elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
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{
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ElfW(Addr) *gotplt;
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extern void _dl_runtime_resolve (ElfW(Word));
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extern void _dl_runtime_profile (ElfW(Word));
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if (l->l_info[DT_JMPREL] && lazy)
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{
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gotplt = (ElfW(Addr) *) D_PTR (l, l_info[DT_PLTGOT]);
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/* The GOT entries for functions in the PLT have not yet been filled
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in. Their initial contents will arrange when called to put in
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registers an offset into the .rel.plt section, and gotplt[0], then
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jump to gotplt[1]. */
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/* Identify this shared object. */
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gotplt[0] = (ElfW(Addr)) l;
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/* The gotplt[1] entry contains the address of a function which gets
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called to get the address of a so far unresolved function and jump
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to it. The profiling extension of the dynamic linker allows to
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intercept the calls to collect information. In this case we don't
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store the address in the GOTPLT so that all future calls also end
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in this function. */
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if (__builtin_expect (profile, 0))
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{
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gotplt[1] = (ElfW(Addr)) &_dl_runtime_profile;
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if (GLRO(dl_profile) != NULL
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&& _dl_name_match_p (GLRO(dl_profile), l))
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/* This is the object we are looking for. Say that we really
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want profiling and the timers are started. */
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GL(dl_profile_map) = l;
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}
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else
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/* This function will get called to fix up the GOTPLT entry
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indicated by the offset on the stack, and then jump to the
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resolved address. */
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gotplt[1] = (ElfW(Addr)) &_dl_runtime_resolve;
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}
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return lazy;
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}
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#if __WORDSIZE == 32
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/* Mask identifying addresses reserved for the user program,
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where the dynamic linker should not map anything. */
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#define ELF_MACHINE_USER_ADDRESS_MASK 0xf8000000UL
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#endif
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/* Initial entry point code for the dynamic linker.
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The C function `_dl_start' is the real entry point;
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its return value is the user program's entry point. */
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#define RTLD_START asm (".globl _dl_start");
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#ifndef RTLD_START_SPECIAL_INIT
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#define RTLD_START_SPECIAL_INIT /* nothing */
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#endif
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/* Wrap a generic Tilera relocation type. */
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#ifdef __tilegx__
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#define R_TILE(x) R_TILEGX_##x
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#define __R_TILE_TLS(x,c) R_TILEGX_TLS_##x##c
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#define _R_TILE_TLS(x,c) __R_TILE_TLS(x,c)
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#define R_TILE_TLS(x) _R_TILE_TLS(x,__ELF_NATIVE_CLASS)
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#else
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#define R_TILE(x) R_TILEPRO_##x
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#define R_TILE_TLS(x) R_TILEPRO_TLS_##x##32
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#endif
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/* ELF_RTYPE_CLASS_PLT iff TYPE describes relocation of a PLT entry or
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TLS variable, so undefined references should not be allowed to
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define the value.
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ELF_RTYPE_CLASS_NOCOPY iff TYPE should not be allowed to resolve to one
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of the main executable's symbols, as for a COPY reloc. */
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#define elf_machine_type_class(type) \
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((((type) == R_TILE(JMP_SLOT) || (type) == R_TILE_TLS(DTPMOD) \
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|| (type) == R_TILE_TLS(DTPOFF) || (type) == R_TILE_TLS(TPOFF)) \
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* ELF_RTYPE_CLASS_PLT) \
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| (((type) == R_TILE(COPY)) * ELF_RTYPE_CLASS_COPY))
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/* A reloc type used for ld.so cmdline arg lookups to reject PLT entries. */
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#define ELF_MACHINE_JMP_SLOT R_TILE(JMP_SLOT)
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/* TILE never uses Elf32_Rel relocations. */
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#define ELF_MACHINE_NO_REL 1
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/* TILE overlaps DT_RELA and DT_PLTREL. */
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#define ELF_MACHINE_PLTREL_OVERLAP 1
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/* We define an initialization functions. This is called very early in
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_dl_sysdep_start. */
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#define DL_PLATFORM_INIT dl_platform_init ()
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static inline void __attribute__ ((unused))
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dl_platform_init (void)
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{
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if (GLRO(dl_platform) != NULL && *GLRO(dl_platform) == '\0')
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/* Avoid an empty string which would disturb us. */
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GLRO(dl_platform) = NULL;
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}
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static inline ElfW(Addr)
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elf_machine_fixup_plt (struct link_map *map, lookup_t t,
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const ElfW(Rela) *reloc,
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ElfW(Addr) *reloc_addr, ElfW(Addr) value)
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{
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return *reloc_addr = value;
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}
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/* Return the final value of a plt relocation. */
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static inline ElfW(Addr)
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elf_machine_plt_value (struct link_map *map, const ElfW(Rela) *reloc,
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ElfW(Addr) value)
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{
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return value;
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}
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/* Support notifying the simulator about new objects. */
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void internal_function _dl_arch_map_object (struct link_map *l);
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#define _dl_arch_map_object _dl_arch_map_object
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/* Names of the architecture-specific auditing callback functions. */
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#define ARCH_LA_PLTENTER tile_gnu_pltenter
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#define ARCH_LA_PLTEXIT tile_gnu_pltexit
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#endif /* !dl_machine_h */
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#ifdef RESOLVE_MAP
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struct reloc_howto
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{
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/* Right shift operand by this number of bits. */
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unsigned char right_shift;
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#ifdef __tilegx__
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/* If nonzero, this is updating a code bundle. */
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unsigned char is_bundle_update;
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#else
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/* If nonzero, add 0x8000 to the value. */
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unsigned char add_0x8000;
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#endif
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/* If nonzero, subtract the containing address from the address. */
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unsigned char is_pcrel;
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/* Size in bytes, or 0 if this table entry should be ignored. */
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unsigned char byte_size;
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};
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/* Relocation information. Cannot contain create_* function pointers
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because then the table would not be position-independent. */
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static const struct reloc_howto howto[] =
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{
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#ifdef __tilegx__
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# if __WORDSIZE == 32
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/* The GX -m32 loader only handles 32-bit types, so it will be confused
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by shifts larger than that. We convert them to just sign-extend;
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they usually indicate a program bug or missed optimization, but we
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have to handle them correctly anyway. */
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# define S32 31
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# define S48 31
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# else
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# define S32 32
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# define S48 48
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# endif
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/* R_TILEGX_NONE */ { 0, 0, 0, 0 },
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/* R_TILEGX_64 */ { 0, 0, 0, 8 },
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/* R_TILEGX_32 */ { 0, 0, 0, 4 },
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/* R_TILEGX_16 */ { 0, 0, 0, 2 },
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/* R_TILEGX_8 */ { 0, 0, 0, 1 },
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/* R_TILEGX_64_PCREL */ { 0, 0, 1, 8 },
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/* R_TILEGX_32_PCREL */ { 0, 0, 1, 4 },
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/* R_TILEGX_16_PCREL */ { 0, 0, 1, 2 },
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/* R_TILEGX_8_PCREL */ { 0, 0, 1, 1 },
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/* R_TILEGX_HW0 */ { 0, 0, 0, 0 },
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/* R_TILEGX_HW1 */ { 16, 0, 0, 0 },
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/* R_TILEGX_HW2 */ { S32, 0, 0, 0 },
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/* R_TILEGX_HW3 */ { S48, 0, 0, 0 },
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/* R_TILEGX_HW0_LAST */ { 0, 0, 0, 0 },
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/* R_TILEGX_HW1_LAST */ { 16, 0, 0, 0 },
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/* R_TILEGX_HW2_LAST */ { S32, 0, 0, 0 },
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/* R_TILEGX_COPY */ { 0, 0, 0, 0 },
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/* R_TILEGX_GLOB_DAT */ { 0, 0, 0, 8 },
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/* R_TILEGX_JMP_SLOT */ { 0, 0, 0, 0 },
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/* R_TILEGX_RELATIVE */ { 0, 0, 0, 0 },
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/* R_TILEGX_BROFF_X1 */ { 3, 1, 1, 8 },
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/* R_TILEGX_JUMPOFF_X1 */ { 3, 1, 1, 8 },
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/* R_TILEGX_JUMPOFF_X1_PLT */ { 3, 1, 1, 8 },
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/* R_TILEGX_IMM8_X0 */ { 0, 1, 0, 8 },
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/* R_TILEGX_IMM8_Y0 */ { 0, 1, 0, 8 },
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/* R_TILEGX_IMM8_X1 */ { 0, 1, 0, 8 },
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/* R_TILEGX_IMM8_Y1 */ { 0, 1, 0, 8 },
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/* R_TILEGX_DEST_IMM8_X1 */ { 0, 1, 0, 8 },
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/* R_TILEGX_MT_IMM14_X1 */ { 0, 1, 0, 8 },
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/* R_TILEGX_MF_IMM14_X1 */ { 0, 1, 0, 8 },
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/* R_TILEGX_MMSTART_X0 */ { 0, 1, 0, 8 },
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/* R_TILEGX_MMEND_X0 */ { 0, 1, 0, 8 },
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/* R_TILEGX_SHAMT_X0 */ { 0, 1, 0, 8 },
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/* R_TILEGX_SHAMT_X1 */ { 0, 1, 0, 8 },
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/* R_TILEGX_SHAMT_Y0 */ { 0, 1, 0, 8 },
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/* R_TILEGX_SHAMT_Y1 */ { 0, 1, 0, 8 },
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/* R_TILEGX_IMM16_X0_HW0 */ { 0, 1, 0, 8 },
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/* R_TILEGX_IMM16_X1_HW0 */ { 0, 1, 0, 8 },
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/* R_TILEGX_IMM16_X0_HW1 */ { 16, 1, 0, 8 },
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/* R_TILEGX_IMM16_X1_HW1 */ { 16, 1, 0, 8 },
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/* R_TILEGX_IMM16_X0_HW2 */ { S32, 1, 0, 8 },
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/* R_TILEGX_IMM16_X1_HW2 */ { S32, 1, 0, 8 },
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/* R_TILEGX_IMM16_X0_HW3 */ { S48, 1, 0, 8 },
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/* R_TILEGX_IMM16_X1_HW3 */ { S48, 1, 0, 8 },
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/* R_TILEGX_IMM16_X0_HW0_LAST */ { 0, 1, 0, 8 },
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/* R_TILEGX_IMM16_X1_HW0_LAST */ { 0, 1, 0, 8 },
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/* R_TILEGX_IMM16_X0_HW1_LAST */ { 16, 1, 0, 8 },
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/* R_TILEGX_IMM16_X1_HW1_LAST */ { 16, 1, 0, 8 },
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/* R_TILEGX_IMM16_X0_HW2_LAST */ { S32, 1, 0, 8 },
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/* R_TILEGX_IMM16_X1_HW2_LAST */ { S32, 1, 0, 8 },
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/* R_TILEGX_IMM16_X0_HW0_PCREL */ { 0, 1, 1, 8 },
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/* R_TILEGX_IMM16_X1_HW0_PCREL */ { 0, 1, 1, 8 },
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/* R_TILEGX_IMM16_X0_HW1_PCREL */ { 16, 1, 1, 8 },
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/* R_TILEGX_IMM16_X1_HW1_PCREL */ { 16, 1, 1, 8 },
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/* R_TILEGX_IMM16_X0_HW2_PCREL */ { S32, 1, 1, 8 },
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/* R_TILEGX_IMM16_X1_HW2_PCREL */ { S32, 1, 1, 8 },
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/* R_TILEGX_IMM16_X0_HW3_PCREL */ { S48, 1, 1, 8 },
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/* R_TILEGX_IMM16_X1_HW3_PCREL */ { S48, 1, 1, 8 },
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/* R_TILEGX_IMM16_X0_HW0_LAST_PCREL */ { 0, 1, 1, 8 },
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/* R_TILEGX_IMM16_X1_HW0_LAST_PCREL */ { 0, 1, 1, 8 },
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/* R_TILEGX_IMM16_X0_HW1_LAST_PCREL */ { 16, 1, 1, 8 },
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/* R_TILEGX_IMM16_X1_HW1_LAST_PCREL */ { 16, 1, 1, 8 },
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/* R_TILEGX_IMM16_X0_HW2_LAST_PCREL */ { S32, 1, 1, 8 },
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/* R_TILEGX_IMM16_X1_HW2_LAST_PCREL */ { S32, 1, 1, 8 },
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/* R_TILEGX_IMM16_X0_HW0_GOT */ { 0, 1, 0, 0 },
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/* R_TILEGX_IMM16_X1_HW0_GOT */ { 0, 1, 0, 0 },
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/* R_TILEGX_IMM16_X0_HW1_GOT */ { 16, 1, 0, 0 },
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/* R_TILEGX_IMM16_X1_HW1_GOT */ { 16, 1, 0, 0 },
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/* R_TILEGX_IMM16_X0_HW2_GOT */ { S32, 1, 0, 0 },
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/* R_TILEGX_IMM16_X1_HW2_GOT */ { S32, 1, 0, 0 },
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/* R_TILEGX_IMM16_X0_HW3_GOT */ { S48, 1, 0, 0 },
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/* R_TILEGX_IMM16_X1_HW3_GOT */ { S48, 1, 0, 0 },
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/* R_TILEGX_IMM16_X0_HW0_LAST_GOT */ { 0, 1, 0, 0 },
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/* R_TILEGX_IMM16_X1_HW0_LAST_GOT */ { 0, 1, 0, 0 },
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/* R_TILEGX_IMM16_X0_HW1_LAST_GOT */ { 16, 1, 0, 0 },
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/* R_TILEGX_IMM16_X1_HW1_LAST_GOT */ { 16, 1, 0, 0 },
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/* R_TILEGX_IMM16_X0_HW2_LAST_GOT */ { S32, 1, 0, 0 },
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/* R_TILEGX_IMM16_X1_HW2_LAST_GOT */ { S32, 1, 0, 0 },
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/* R_TILEGX_IMM16_X0_HW0_TLS_GD */ { 0, 1, 0, 8 },
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/* R_TILEGX_IMM16_X1_HW0_TLS_GD */ { 0, 1, 0, 8 },
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/* R_TILEGX_IMM16_X0_HW1_TLS_GD */ { 16, 1, 0, 8 },
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/* R_TILEGX_IMM16_X1_HW1_TLS_GD */ { 16, 1, 0, 8 },
|
|
/* R_TILEGX_IMM16_X0_HW2_TLS_GD */ { S32, 1, 0, 8 },
|
|
/* R_TILEGX_IMM16_X1_HW2_TLS_GD */ { S32, 1, 0, 8 },
|
|
/* R_TILEGX_IMM16_X0_HW3_TLS_GD */ { S48, 1, 0, 8 },
|
|
/* R_TILEGX_IMM16_X1_HW3_TLS_GD */ { S48, 1, 0, 8 },
|
|
/* R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD */{ 0, 1, 0, 8 },
|
|
/* R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD */{ 0, 1, 0, 8 },
|
|
/* R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD */{ 16, 1, 0, 8 },
|
|
/* R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD */{ 16, 1, 0, 8 },
|
|
/* R_TILEGX_IMM16_X0_HW2_LAST_TLS_GD */{ S32, 1, 0, 8 },
|
|
/* R_TILEGX_IMM16_X1_HW2_LAST_TLS_GD */{ S32, 1, 0, 8 },
|
|
/* R_TILEGX_IMM16_X0_HW0_TLS_IE */ { 0, 1, 0, 8 },
|
|
/* R_TILEGX_IMM16_X1_HW0_TLS_IE */ { 0, 1, 0, 8 },
|
|
/* R_TILEGX_IMM16_X0_HW1_TLS_IE */ { 16, 1, 0, 8 },
|
|
/* R_TILEGX_IMM16_X1_HW1_TLS_IE */ { 16, 1, 0, 8 },
|
|
/* R_TILEGX_IMM16_X0_HW2_TLS_IE */ { S32, 1, 0, 8 },
|
|
/* R_TILEGX_IMM16_X1_HW2_TLS_IE */ { S32, 1, 0, 8 },
|
|
/* R_TILEGX_IMM16_X0_HW3_TLS_IE */ { S48, 1, 0, 8 },
|
|
/* R_TILEGX_IMM16_X1_HW3_TLS_IE */ { S48, 1, 0, 8 },
|
|
/* R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE */{ 0, 1, 0, 8 },
|
|
/* R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE */{ 0, 1, 0, 8 },
|
|
/* R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE */{ 16, 1, 0, 8 },
|
|
/* R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE */{ 16, 1, 0, 8 },
|
|
/* R_TILEGX_IMM16_X0_HW2_LAST_TLS_IE */{ S32, 1, 0, 8 },
|
|
/* R_TILEGX_IMM16_X1_HW2_LAST_TLS_IE */{ S32, 1, 0, 8 },
|
|
/* R_TILEGX_TLS_DTPMOD64 */ { 0, 0, 0, 0 },
|
|
/* R_TILEGX_TLS_DTPOFF64 */ { 0, 0, 0, 0 },
|
|
/* R_TILEGX_TLS_TPOFF64 */ { 0, 0, 0, 0 },
|
|
/* R_TILEGX_TLS_DTPMOD32 */ { 0, 0, 0, 0 },
|
|
/* R_TILEGX_TLS_DTPOFF32 */ { 0, 0, 0, 0 },
|
|
/* R_TILEGX_TLS_TPOFF32 */ { 0, 0, 0, 0 }
|
|
#else
|
|
/* R_TILEPRO_NONE */ { 0, 0, 0, 0 },
|
|
/* R_TILEPRO_32 */ { 0, 0, 0, 4 },
|
|
/* R_TILEPRO_16 */ { 0, 0, 0, 2 },
|
|
/* R_TILEPRO_8 */ { 0, 0, 0, 1 },
|
|
/* R_TILEPRO_32_PCREL */ { 0, 0, 1, 4 },
|
|
/* R_TILEPRO_16_PCREL */ { 0, 0, 1, 2 },
|
|
/* R_TILEPRO_8_PCREL */ { 0, 0, 1, 1 },
|
|
/* R_TILEPRO_LO16 */ { 0, 0, 0, 2 },
|
|
/* R_TILEPRO_HI16 */ { 16, 0, 0, 2 },
|
|
/* R_TILEPRO_HA16 */ { 16, 1, 0, 2 },
|
|
/* R_TILEPRO_COPY */ { 0, 0, 0, 0 },
|
|
/* R_TILEPRO_GLOB_DAT */ { 0, 0, 0, 4 },
|
|
/* R_TILEPRO_JMP_SLOT */ { 0, 0, 0, 0 },
|
|
/* R_TILEPRO_RELATIVE */ { 0, 0, 0, 0 },
|
|
/* R_TILEPRO_BROFF_X1 */ { 3, 0, 1, 8 },
|
|
/* R_TILEPRO_JOFFLONG_X1 */ { 3, 0, 1, 8 },
|
|
/* R_TILEPRO_JOFFLONG_X1_PLT */ { 3, 0, 1, 8 },
|
|
/* R_TILEPRO_IMM8_X0 */ { 0, 0, 0, 8 },
|
|
/* R_TILEPRO_IMM8_Y0 */ { 0, 0, 0, 8 },
|
|
/* R_TILEPRO_IMM8_X1 */ { 0, 0, 0, 8 },
|
|
/* R_TILEPRO_IMM8_Y1 */ { 0, 0, 0, 8 },
|
|
/* R_TILEPRO_MT_IMM15_X1 */ { 0, 0, 0, 8 },
|
|
/* R_TILEPRO_MF_IMM15_X1 */ { 0, 0, 0, 8 },
|
|
/* R_TILEPRO_IMM16_X0 */ { 0, 0, 0, 8 },
|
|
/* R_TILEPRO_IMM16_X1 */ { 0, 0, 0, 8 },
|
|
/* R_TILEPRO_IMM16_X0_LO */ { 0, 0, 0, 8 },
|
|
/* R_TILEPRO_IMM16_X1_LO */ { 0, 0, 0, 8 },
|
|
/* R_TILEPRO_IMM16_X0_HI */ { 16, 0, 0, 8 },
|
|
/* R_TILEPRO_IMM16_X1_HI */ { 16, 0, 0, 8 },
|
|
/* R_TILEPRO_IMM16_X0_HA */ { 16, 1, 0, 8 },
|
|
/* R_TILEPRO_IMM16_X1_HA */ { 16, 1, 0, 8 },
|
|
/* R_TILEPRO_IMM16_X0_PCREL */ { 0, 0, 1, 8 },
|
|
/* R_TILEPRO_IMM16_X1_PCREL */ { 0, 0, 1, 8 },
|
|
/* R_TILEPRO_IMM16_X0_LO_PCREL */ { 0, 0, 1, 8 },
|
|
/* R_TILEPRO_IMM16_X1_LO_PCREL */ { 0, 0, 1, 8 },
|
|
/* R_TILEPRO_IMM16_X0_HI_PCREL */ { 16, 0, 1, 8 },
|
|
/* R_TILEPRO_IMM16_X1_HI_PCREL */ { 16, 0, 1, 8 },
|
|
/* R_TILEPRO_IMM16_X0_HA_PCREL */ { 16, 1, 1, 8 },
|
|
/* R_TILEPRO_IMM16_X1_HA_PCREL */ { 16, 1, 1, 8 },
|
|
/* R_TILEPRO_IMM16_X0_GOT */ { 0, 0, 0, 0 },
|
|
/* R_TILEPRO_IMM16_X1_GOT */ { 0, 0, 0, 0 },
|
|
/* R_TILEPRO_IMM16_X0_GOT_LO */ { 0, 0, 0, 0 },
|
|
/* R_TILEPRO_IMM16_X1_GOT_LO */ { 0, 0, 0, 0 },
|
|
/* R_TILEPRO_IMM16_X0_GOT_HI */ { 0, 0, 0, 0 },
|
|
/* R_TILEPRO_IMM16_X1_GOT_HI */ { 0, 0, 0, 0 },
|
|
/* R_TILEPRO_IMM16_X0_GOT_HA */ { 0, 0, 0, 0 },
|
|
/* R_TILEPRO_IMM16_X1_GOT_HA */ { 0, 0, 0, 0 },
|
|
/* R_TILEPRO_MMSTART_X0 */ { 0, 0, 0, 8 },
|
|
/* R_TILEPRO_MMEND_X0 */ { 0, 0, 0, 8 },
|
|
/* R_TILEPRO_MMSTART_X1 */ { 0, 0, 0, 8 },
|
|
/* R_TILEPRO_MMEND_X1 */ { 0, 0, 0, 8 },
|
|
/* R_TILEPRO_SHAMT_X0 */ { 0, 0, 0, 8 },
|
|
/* R_TILEPRO_SHAMT_X1 */ { 0, 0, 0, 8 },
|
|
/* R_TILEPRO_SHAMT_Y0 */ { 0, 0, 0, 8 },
|
|
/* R_TILEPRO_SHAMT_Y1 */ { 0, 0, 0, 8 },
|
|
/* R_TILEPRO_SN_BROFF */ { 0, 0, 0, 0 },
|
|
/* R_TILEPRO_SN_IMM8 */ { 0, 0, 0, 0 },
|
|
/* R_TILEPRO_SN_UIMM8 */ { 0, 0, 0, 0 },
|
|
/* R_TILEPRO_SN_BYTE0 */ { 0, 0, 0, 0 },
|
|
/* R_TILEPRO_SN_BYTE1 */ { 0, 0, 0, 0 },
|
|
/* R_TILEPRO_SN_BYTE2 */ { 0, 0, 0, 0 },
|
|
/* R_TILEPRO_SN_BYTE3 */ { 0, 0, 0, 0 },
|
|
/* R_TILEPRO_SN_SPCREL0 */ { 0, 0, 0, 0 },
|
|
/* R_TILEPRO_SN_SPCREL1 */ { 0, 0, 0, 0 },
|
|
/* R_TILEPRO_SN_SPCREL2 */ { 0, 0, 0, 0 },
|
|
/* R_TILEPRO_SN_SPCREL3 */ { 0, 0, 0, 0 },
|
|
/* R_TILEPRO_IMM16_X0_TLS_GD */ { 0, 0, 0, 8 },
|
|
/* R_TILEPRO_IMM16_X1_TLS_GD */ { 0, 0, 0, 8 },
|
|
/* R_TILEPRO_IMM16_X0_TLS_GD_LO */ { 0, 0, 0, 8 },
|
|
/* R_TILEPRO_IMM16_X1_TLS_GD_LO */ { 0, 0, 0, 8 },
|
|
/* R_TILEPRO_IMM16_X0_TLS_GD_HI */ { 16, 0, 0, 8 },
|
|
/* R_TILEPRO_IMM16_X1_TLS_GD_HI */ { 16, 0, 0, 8 },
|
|
/* R_TILEPRO_IMM16_X0_TLS_GD_HA */ { 16, 1, 0, 8 },
|
|
/* R_TILEPRO_IMM16_X1_TLS_GD_HA */ { 16, 1, 0, 8 },
|
|
/* R_TILEPRO_IMM16_X0_TLS_IE */ { 0, 0, 0, 8 },
|
|
/* R_TILEPRO_IMM16_X1_TLS_IE */ { 0, 0, 0, 8 },
|
|
/* R_TILEPRO_IMM16_X0_TLS_IE_LO */ { 0, 0, 0, 8 },
|
|
/* R_TILEPRO_IMM16_X1_TLS_IE_LO */ { 0, 0, 0, 8 },
|
|
/* R_TILEPRO_IMM16_X0_TLS_IE_HI */ { 16, 0, 0, 8 },
|
|
/* R_TILEPRO_IMM16_X1_TLS_IE_HI */ { 16, 0, 0, 8 },
|
|
/* R_TILEPRO_IMM16_X0_TLS_IE_HA */ { 16, 1, 0, 8 },
|
|
/* R_TILEPRO_IMM16_X1_TLS_IE_HA */ { 16, 1, 0, 8 },
|
|
/* R_TILEPRO_TLS_DTPMOD32 */ { 0, 0, 0, 0 },
|
|
/* R_TILEPRO_TLS_DTPOFF32 */ { 0, 0, 0, 0 },
|
|
/* R_TILEPRO_TLS_TPOFF32 */ { 0, 0, 0, 0 },
|
|
#endif
|
|
};
|
|
|
|
#if __ELF_NATIVE_CLASS == 32
|
|
#define ELFW_R_TYPE ELF32_R_TYPE
|
|
#define ELFW_ST_TYPE ELF32_ST_TYPE
|
|
#else
|
|
#define ELFW_R_TYPE ELF64_R_TYPE
|
|
#define ELFW_ST_TYPE ELF64_ST_TYPE
|
|
#endif
|
|
|
|
/* 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 ElfW(Rela) *reloc,
|
|
const ElfW(Sym) *sym, const struct r_found_version *version,
|
|
void *const reloc_addr_arg, int skip_ifunc)
|
|
{
|
|
ElfW(Addr) *const reloc_addr = reloc_addr_arg;
|
|
const unsigned int r_type = ELFW_R_TYPE (reloc->r_info);
|
|
|
|
#if !defined RTLD_BOOTSTRAP || !defined HAVE_Z_COMBRELOC
|
|
if (__builtin_expect (r_type == R_TILE(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 (GL(dl_rtld_map));
|
|
# endif
|
|
if (map != &GL(dl_rtld_map)) /* Already done in rtld itself. */
|
|
# endif
|
|
*reloc_addr = map->l_addr + reloc->r_addend;
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
if (__builtin_expect (r_type == R_TILE(NONE), 0))
|
|
return;
|
|
|
|
#if !defined RTLD_BOOTSTRAP && !defined RESOLVE_CONFLICT_FIND_MAP
|
|
const ElfW(Sym) *const refsym = sym;
|
|
#endif
|
|
struct link_map *sym_map = RESOLVE_MAP (&sym, version, r_type);
|
|
ElfW(Addr) value;
|
|
|
|
if (sym == NULL)
|
|
value = 0;
|
|
else if (ELFW_ST_TYPE (sym->st_info) == STT_SECTION)
|
|
value = map->l_addr; /* like a RELATIVE reloc */
|
|
else
|
|
value = 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 = ((Elf64_Addr (*) (void)) value) ();
|
|
|
|
switch (r_type)
|
|
{
|
|
case R_TILE(JMP_SLOT):
|
|
elf_machine_fixup_plt (map, 0, reloc, reloc_addr,
|
|
value + reloc->r_addend);
|
|
return;
|
|
|
|
#ifndef RESOLVE_CONFLICT_FIND_MAP
|
|
case R_TILE_TLS(DTPMOD):
|
|
# ifdef RTLD_BOOTSTRAP
|
|
/* During startup the dynamic linker is always the module
|
|
with index 1.
|
|
XXX If this relocation is necessary move before RESOLVE
|
|
call. */
|
|
*reloc_addr = 1;
|
|
# else
|
|
/* Get the information from the link map returned by the
|
|
resolv function. */
|
|
if (sym_map != NULL)
|
|
*reloc_addr = sym_map->l_tls_modid;
|
|
# endif
|
|
return;
|
|
case R_TILE_TLS(DTPOFF):
|
|
# ifndef RTLD_BOOTSTRAP
|
|
/* During relocation all TLS symbols are defined and used.
|
|
Therefore the offset is already correct. */
|
|
if (sym != NULL)
|
|
*reloc_addr = sym->st_value + reloc->r_addend;
|
|
# endif
|
|
return;
|
|
case R_TILE_TLS(TPOFF):
|
|
# ifdef RTLD_BOOTSTRAP
|
|
*reloc_addr = sym->st_value + reloc->r_addend + map->l_tls_offset;
|
|
# else
|
|
if (sym != NULL)
|
|
{
|
|
CHECK_STATIC_TLS (map, sym_map);
|
|
*reloc_addr = (sym->st_value + reloc->r_addend
|
|
+ sym_map->l_tls_offset);
|
|
}
|
|
#endif
|
|
return;
|
|
#endif /* use TLS */
|
|
|
|
#if !defined RTLD_BOOTSTRAP && !defined RESOLVE_CONFLICT_FIND_MAP
|
|
/* Not needed in dl-conflict.c. */
|
|
case R_TILE(COPY):
|
|
if (sym == NULL)
|
|
/* This can happen in trace mode if an object could not be found. */
|
|
return;
|
|
if (__builtin_expect (sym->st_size > refsym->st_size, 0)
|
|
|| (__builtin_expect (sym->st_size < refsym->st_size, 0)
|
|
&& __builtin_expect (GLRO(dl_verbose), 0)))
|
|
{
|
|
const char *strtab;
|
|
|
|
strtab = (const char *) 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));
|
|
return;
|
|
#endif
|
|
}
|
|
|
|
/* All remaining relocations must be in the lookup table. */
|
|
const struct reloc_howto *h = &howto[r_type];
|
|
if ((unsigned int) r_type >= sizeof howto / sizeof howto[0] ||
|
|
h->byte_size == 0)
|
|
{
|
|
#if !defined RTLD_BOOTSTRAP || defined _NDEBUG
|
|
/* We add these checks in the version to relocate ld.so only
|
|
if we are still debugging. */
|
|
_dl_reloc_bad_type (map, r_type, 0);
|
|
#endif
|
|
return;
|
|
}
|
|
|
|
value += reloc->r_addend;
|
|
|
|
/* The lookup table entry knows how to perform this reloc. */
|
|
if (h->is_pcrel)
|
|
value -= (ElfW(Addr)) reloc_addr;
|
|
|
|
#ifndef __tilegx__
|
|
if (h->add_0x8000)
|
|
value += 0x8000;
|
|
#endif
|
|
|
|
value >>= h->right_shift;
|
|
|
|
switch (h->byte_size)
|
|
{
|
|
case 1:
|
|
*(char *) reloc_addr = value;
|
|
return;
|
|
case 2:
|
|
*(short *) reloc_addr = value;
|
|
return;
|
|
case 4:
|
|
*(int *) reloc_addr = value;
|
|
return;
|
|
#ifdef __tilegx__
|
|
case 8:
|
|
if (!h->is_bundle_update)
|
|
{
|
|
*(ElfW(Addr) *) reloc_addr = value;
|
|
return;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
/* We are updating a bundle, so use the function pointer that
|
|
swizzles the operand bits into the right location. */
|
|
|
|
tile_bundle_bits *p = (tile_bundle_bits *) reloc_addr;
|
|
tile_bundle_bits bits = *p;
|
|
|
|
#define MUNGE(func) do { \
|
|
bits = ((bits & ~create_##func (-1)) | create_##func (value)); \
|
|
if (get_##func (bits) != value) \
|
|
_dl_signal_error (0, map->l_name, NULL, \
|
|
"relocation value too large for " #func); \
|
|
} while (0)
|
|
|
|
#define MUNGE_NOCHECK(func) \
|
|
bits = ((bits & ~create_##func (-1)) | create_##func (value))
|
|
|
|
switch (r_type)
|
|
{
|
|
#ifdef __tilegx__
|
|
case R_TILEGX_BROFF_X1:
|
|
MUNGE (BrOff_X1);
|
|
break;
|
|
case R_TILEGX_JUMPOFF_X1:
|
|
case R_TILEGX_JUMPOFF_X1_PLT:
|
|
MUNGE (JumpOff_X1);
|
|
break;
|
|
case R_TILEGX_IMM8_X0:
|
|
MUNGE (Imm8_X0);
|
|
break;
|
|
case R_TILEGX_IMM8_Y0:
|
|
MUNGE (Imm8_Y0);
|
|
break;
|
|
case R_TILEGX_IMM8_X1:
|
|
MUNGE (Imm8_X1);
|
|
break;
|
|
case R_TILEGX_IMM8_Y1:
|
|
MUNGE (Imm8_Y1);
|
|
break;
|
|
case R_TILEGX_MT_IMM14_X1:
|
|
MUNGE (MT_Imm14_X1);
|
|
break;
|
|
case R_TILEGX_MF_IMM14_X1:
|
|
MUNGE (MF_Imm14_X1);
|
|
break;
|
|
case R_TILEGX_IMM16_X0_HW0:
|
|
case R_TILEGX_IMM16_X0_HW1:
|
|
case R_TILEGX_IMM16_X0_HW2:
|
|
case R_TILEGX_IMM16_X0_HW3:
|
|
case R_TILEGX_IMM16_X0_HW0_PCREL:
|
|
case R_TILEGX_IMM16_X0_HW1_PCREL:
|
|
case R_TILEGX_IMM16_X0_HW2_PCREL:
|
|
case R_TILEGX_IMM16_X0_HW3_PCREL:
|
|
case R_TILEGX_IMM16_X0_HW0_TLS_GD:
|
|
case R_TILEGX_IMM16_X0_HW0_TLS_IE:
|
|
MUNGE_NOCHECK (Imm16_X0);
|
|
break;
|
|
case R_TILEGX_IMM16_X0_HW0_LAST:
|
|
case R_TILEGX_IMM16_X0_HW1_LAST:
|
|
case R_TILEGX_IMM16_X0_HW2_LAST:
|
|
case R_TILEGX_IMM16_X0_HW0_LAST_PCREL:
|
|
case R_TILEGX_IMM16_X0_HW1_LAST_PCREL:
|
|
case R_TILEGX_IMM16_X0_HW2_LAST_PCREL:
|
|
case R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD:
|
|
case R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD:
|
|
case R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE:
|
|
case R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE:
|
|
MUNGE (Imm16_X0);
|
|
break;
|
|
case R_TILEGX_IMM16_X1_HW0:
|
|
case R_TILEGX_IMM16_X1_HW1:
|
|
case R_TILEGX_IMM16_X1_HW2:
|
|
case R_TILEGX_IMM16_X1_HW3:
|
|
case R_TILEGX_IMM16_X1_HW0_PCREL:
|
|
case R_TILEGX_IMM16_X1_HW1_PCREL:
|
|
case R_TILEGX_IMM16_X1_HW2_PCREL:
|
|
case R_TILEGX_IMM16_X1_HW3_PCREL:
|
|
case R_TILEGX_IMM16_X1_HW0_TLS_GD:
|
|
case R_TILEGX_IMM16_X1_HW0_TLS_IE:
|
|
MUNGE_NOCHECK (Imm16_X1);
|
|
break;
|
|
case R_TILEGX_IMM16_X1_HW0_LAST:
|
|
case R_TILEGX_IMM16_X1_HW1_LAST:
|
|
case R_TILEGX_IMM16_X1_HW2_LAST:
|
|
case R_TILEGX_IMM16_X1_HW0_LAST_PCREL:
|
|
case R_TILEGX_IMM16_X1_HW1_LAST_PCREL:
|
|
case R_TILEGX_IMM16_X1_HW2_LAST_PCREL:
|
|
case R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD:
|
|
case R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD:
|
|
case R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE:
|
|
case R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE:
|
|
MUNGE (Imm16_X1);
|
|
break;
|
|
case R_TILEGX_MMSTART_X0:
|
|
MUNGE (BFStart_X0);
|
|
break;
|
|
case R_TILEGX_MMEND_X0:
|
|
MUNGE (BFEnd_X0);
|
|
break;
|
|
case R_TILEGX_SHAMT_X0:
|
|
MUNGE (ShAmt_X0);
|
|
break;
|
|
case R_TILEGX_SHAMT_X1:
|
|
MUNGE (ShAmt_X1);
|
|
break;
|
|
case R_TILEGX_SHAMT_Y0:
|
|
MUNGE (ShAmt_Y0);
|
|
break;
|
|
case R_TILEGX_SHAMT_Y1:
|
|
MUNGE (ShAmt_Y1);
|
|
break;
|
|
#else
|
|
case R_TILEPRO_BROFF_X1:
|
|
MUNGE (BrOff_X1);
|
|
break;
|
|
case R_TILEPRO_JOFFLONG_X1:
|
|
case R_TILEPRO_JOFFLONG_X1_PLT:
|
|
MUNGE_NOCHECK (JOffLong_X1); /* holds full 32-bit value */
|
|
break;
|
|
case R_TILEPRO_IMM8_X0:
|
|
MUNGE (Imm8_X0);
|
|
break;
|
|
case R_TILEPRO_IMM8_Y0:
|
|
MUNGE (Imm8_Y0);
|
|
break;
|
|
case R_TILEPRO_IMM8_X1:
|
|
MUNGE (Imm8_X1);
|
|
break;
|
|
case R_TILEPRO_IMM8_Y1:
|
|
MUNGE (Imm8_Y1);
|
|
break;
|
|
case R_TILEPRO_MT_IMM15_X1:
|
|
MUNGE (MT_Imm15_X1);
|
|
break;
|
|
case R_TILEPRO_MF_IMM15_X1:
|
|
MUNGE (MF_Imm15_X1);
|
|
break;
|
|
case R_TILEPRO_IMM16_X0_LO:
|
|
case R_TILEPRO_IMM16_X0_HI:
|
|
case R_TILEPRO_IMM16_X0_HA:
|
|
case R_TILEPRO_IMM16_X0_LO_PCREL:
|
|
case R_TILEPRO_IMM16_X0_HI_PCREL:
|
|
case R_TILEPRO_IMM16_X0_HA_PCREL:
|
|
case R_TILEPRO_IMM16_X0_TLS_GD_LO:
|
|
case R_TILEPRO_IMM16_X0_TLS_GD_HI:
|
|
case R_TILEPRO_IMM16_X0_TLS_GD_HA:
|
|
case R_TILEPRO_IMM16_X0_TLS_IE_LO:
|
|
case R_TILEPRO_IMM16_X0_TLS_IE_HI:
|
|
case R_TILEPRO_IMM16_X0_TLS_IE_HA:
|
|
MUNGE_NOCHECK (Imm16_X0);
|
|
break;
|
|
case R_TILEPRO_IMM16_X0:
|
|
case R_TILEPRO_IMM16_X0_PCREL:
|
|
case R_TILEPRO_IMM16_X0_TLS_GD:
|
|
case R_TILEPRO_IMM16_X0_TLS_IE:
|
|
MUNGE (Imm16_X0);
|
|
break;
|
|
case R_TILEPRO_IMM16_X1_LO:
|
|
case R_TILEPRO_IMM16_X1_HI:
|
|
case R_TILEPRO_IMM16_X1_HA:
|
|
case R_TILEPRO_IMM16_X1_LO_PCREL:
|
|
case R_TILEPRO_IMM16_X1_HI_PCREL:
|
|
case R_TILEPRO_IMM16_X1_HA_PCREL:
|
|
case R_TILEPRO_IMM16_X1_TLS_GD_LO:
|
|
case R_TILEPRO_IMM16_X1_TLS_GD_HI:
|
|
case R_TILEPRO_IMM16_X1_TLS_GD_HA:
|
|
case R_TILEPRO_IMM16_X1_TLS_IE_LO:
|
|
case R_TILEPRO_IMM16_X1_TLS_IE_HI:
|
|
case R_TILEPRO_IMM16_X1_TLS_IE_HA:
|
|
MUNGE_NOCHECK (Imm16_X1);
|
|
break;
|
|
case R_TILEPRO_IMM16_X1:
|
|
case R_TILEPRO_IMM16_X1_PCREL:
|
|
case R_TILEPRO_IMM16_X1_TLS_GD:
|
|
case R_TILEPRO_IMM16_X1_TLS_IE:
|
|
MUNGE (Imm16_X1);
|
|
break;
|
|
case R_TILEPRO_MMSTART_X0:
|
|
MUNGE (MMStart_X0);
|
|
break;
|
|
case R_TILEPRO_MMEND_X0:
|
|
MUNGE (MMEnd_X0);
|
|
break;
|
|
case R_TILEPRO_MMSTART_X1:
|
|
MUNGE (MMStart_X1);
|
|
break;
|
|
case R_TILEPRO_MMEND_X1:
|
|
MUNGE (MMEnd_X1);
|
|
break;
|
|
case R_TILEPRO_SHAMT_X0:
|
|
MUNGE (ShAmt_X0);
|
|
break;
|
|
case R_TILEPRO_SHAMT_X1:
|
|
MUNGE (ShAmt_X1);
|
|
break;
|
|
case R_TILEPRO_SHAMT_Y0:
|
|
MUNGE (ShAmt_Y0);
|
|
break;
|
|
case R_TILEPRO_SHAMT_Y1:
|
|
MUNGE (ShAmt_Y1);
|
|
break;
|
|
#endif
|
|
}
|
|
#undef MUNGE
|
|
*p = bits;
|
|
_dl_flush_icache (p, sizeof (*p));
|
|
}
|
|
|
|
auto inline void __attribute__ ((always_inline))
|
|
elf_machine_rela_relative (ElfW(Addr) l_addr, const ElfW(Rela) *reloc,
|
|
void *const reloc_addr_arg)
|
|
{
|
|
ElfW(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,
|
|
ElfW(Addr) l_addr, const ElfW(Rela) *reloc,
|
|
int skip_ifunc)
|
|
{
|
|
const unsigned int r_type = ELF32_R_TYPE (reloc->r_info);
|
|
|
|
/* Check for unexpected PLT reloc type. */
|
|
if (__builtin_expect (r_type == R_TILE(JMP_SLOT), 1))
|
|
{
|
|
*(ElfW(Addr) *) (l_addr + reloc->r_offset) += l_addr;
|
|
}
|
|
else
|
|
_dl_reloc_bad_type (map, r_type, 1);
|
|
}
|
|
|
|
#endif /* RESOLVE_MAP */
|