1998-03-18 14:28:36 +00:00
|
|
|
/* Machine-dependent ELF dynamic relocation inline functions. ARM version.
|
2013-01-02 19:01:50 +00:00
|
|
|
Copyright (C) 1995-2013 Free Software Foundation, Inc.
|
1998-03-18 14:28:36 +00:00
|
|
|
This file is part of the GNU C Library.
|
|
|
|
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
2001-07-06 04:56:23 +00:00
|
|
|
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.
|
1998-03-18 14:28:36 +00:00
|
|
|
|
|
|
|
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
|
2001-07-06 04:56:23 +00:00
|
|
|
Lesser General Public License for more details.
|
1998-03-18 14:28:36 +00:00
|
|
|
|
2001-07-06 04:56:23 +00:00
|
|
|
You should have received a copy of the GNU Lesser General Public
|
2012-03-09 23:56:38 +00:00
|
|
|
License along with the GNU C Library. If not, see
|
|
|
|
<http://www.gnu.org/licenses/>. */
|
1998-03-18 14:28:36 +00:00
|
|
|
|
|
|
|
#ifndef dl_machine_h
|
|
|
|
#define dl_machine_h
|
|
|
|
|
|
|
|
#define ELF_MACHINE_NAME "ARM"
|
|
|
|
|
|
|
|
#include <sys/param.h>
|
* sysdeps/arm/dl-machine.h: Include <tls.h>.
(elf_machine_type_class, elf_machine_rel, elf_machine_rela): Handle
TLS relocations.
* sysdeps/unix/sysv/linux/arm/Makefile: Build __aeabi_read_tp.
* sysdeps/unix/sysv/linux/arm/sysdep.h (INTERNAL_SYSCALL_RAW): Renamed
from INTERNAL_SYSCALL.
(INTERNAL_SYSCALL, INTERNAL_SYSCALL_ARM): New macros.
* sysdeps/arm/dl-tls.h, sysdeps/arm/elf/configure.in,
sysdeps/arm/elf/configure, sysdeps/arm/libc-tls.c,
sysdeps/arm/linuxthreads/tls.h, sysdeps/arm/tls-macros.h,
sysdeps/unix/sysv/linux/arm/aeabi_read_tp.S,
sysdeps/unix/sysv/linux/arm/libc-aeabi_read_tp.S: New files.
2005-10-05 20:15:22 +00:00
|
|
|
#include <tls.h>
|
2011-03-05 03:39:15 +00:00
|
|
|
#include <dl-tlsdesc.h>
|
2012-05-25 16:07:05 +00:00
|
|
|
#include <dl-irel.h>
|
1998-03-18 14:28:36 +00:00
|
|
|
|
2012-08-01 18:39:08 +00:00
|
|
|
#ifndef CLEAR_CACHE
|
|
|
|
# error CLEAR_CACHE definition required to handle TEXTREL
|
|
|
|
#endif
|
1999-12-18 23:40:50 +00:00
|
|
|
|
2000-10-20 17:04:28 +00:00
|
|
|
/* Return nonzero iff ELF header is compatible with the running host. */
|
1998-03-18 14:28:36 +00:00
|
|
|
static inline int __attribute__ ((unused))
|
2000-10-20 17:04:28 +00:00
|
|
|
elf_machine_matches_host (const Elf32_Ehdr *ehdr)
|
1998-03-18 14:28:36 +00:00
|
|
|
{
|
2000-10-20 17:04:28 +00:00
|
|
|
return ehdr->e_machine == EM_ARM;
|
1998-03-18 14:28:36 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* Return the link-time address of _DYNAMIC. Conveniently, this is the
|
2013-05-07 17:29:13 +00:00
|
|
|
first element of the GOT. */
|
1998-03-18 14:28:36 +00:00
|
|
|
static inline Elf32_Addr __attribute__ ((unused))
|
|
|
|
elf_machine_dynamic (void)
|
|
|
|
{
|
2013-05-07 17:29:13 +00:00
|
|
|
/* Declaring this hidden ensures that a PC-relative reference is used. */
|
|
|
|
extern const Elf32_Addr _GLOBAL_OFFSET_TABLE_[] attribute_hidden;
|
|
|
|
return _GLOBAL_OFFSET_TABLE_[0];
|
1998-03-18 14:28:36 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* Return the run-time load address of the shared object. */
|
|
|
|
static inline Elf32_Addr __attribute__ ((unused))
|
|
|
|
elf_machine_load_address (void)
|
|
|
|
{
|
2012-08-08 18:03:47 +00:00
|
|
|
extern Elf32_Addr internal_function __dl_start (void *) asm ("_dl_start");
|
1999-06-06 09:20:55 +00:00
|
|
|
Elf32_Addr got_addr = (Elf32_Addr) &__dl_start;
|
|
|
|
Elf32_Addr pcrel_addr;
|
2009-02-05 14:46:41 +00:00
|
|
|
#ifdef __thumb__
|
|
|
|
/* Clear the low bit of the funciton address. */
|
|
|
|
got_addr &= ~(Elf32_Addr) 1;
|
|
|
|
#endif
|
1999-06-06 09:20:55 +00:00
|
|
|
asm ("adr %0, _dl_start" : "=r" (pcrel_addr));
|
|
|
|
return pcrel_addr - got_addr;
|
1998-03-18 14:28:36 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* Set up the loaded object described by L so its unrelocated PLT
|
|
|
|
entries will jump to the on-demand fixup code in dl-runtime.c. */
|
|
|
|
|
|
|
|
static inline int __attribute__ ((unused))
|
|
|
|
elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
|
|
|
|
{
|
|
|
|
Elf32_Addr *got;
|
|
|
|
extern void _dl_runtime_resolve (Elf32_Word);
|
|
|
|
extern void _dl_runtime_profile (Elf32_Word);
|
|
|
|
|
|
|
|
if (l->l_info[DT_JMPREL] && lazy)
|
|
|
|
{
|
|
|
|
/* patb: this is different than i386 */
|
|
|
|
/* The GOT entries for functions in the PLT have not yet been filled
|
|
|
|
in. Their initial contents will arrange when called to push an
|
|
|
|
index into the .got section, load ip with &_GLOBAL_OFFSET_TABLE_[3],
|
|
|
|
and then jump to _GLOBAL_OFFSET_TABLE[2]. */
|
2000-03-31 05:16:19 +00:00
|
|
|
got = (Elf32_Addr *) D_PTR (l, l_info[DT_PLTGOT]);
|
2001-12-12 00:11:47 +00:00
|
|
|
/* If a library is prelinked but we have to relocate anyway,
|
|
|
|
we have to be able to undo the prelinking of .got.plt.
|
|
|
|
The prelinker saved us here address of .plt. */
|
|
|
|
if (got[1])
|
|
|
|
l->l_mach.plt = got[1] + l->l_addr;
|
1998-03-18 14:28:36 +00:00
|
|
|
got[1] = (Elf32_Addr) l; /* Identify this shared object. */
|
|
|
|
|
|
|
|
/* The got[2] entry contains the address of a function which gets
|
|
|
|
called to get the address of a so far unresolved function and
|
|
|
|
jump to it. The profiling extension of the dynamic linker allows
|
|
|
|
to intercept the calls to collect information. In this case we
|
|
|
|
don't store the address in the GOT so that all future calls also
|
|
|
|
end in this function. */
|
|
|
|
if (profile)
|
|
|
|
{
|
1998-09-18 09:10:23 +00:00
|
|
|
got[2] = (Elf32_Addr) &_dl_runtime_profile;
|
2001-08-11 08:54:29 +00:00
|
|
|
|
2005-06-10 11:33:52 +00:00
|
|
|
if (GLRO(dl_profile) != NULL
|
|
|
|
&& _dl_name_match_p (GLRO(dl_profile), l))
|
2001-08-11 08:54:29 +00:00
|
|
|
/* Say that we really want profiling and the timers are
|
|
|
|
started. */
|
2002-02-01 01:32:06 +00:00
|
|
|
GL(dl_profile_map) = l;
|
1998-03-18 14:28:36 +00:00
|
|
|
}
|
|
|
|
else
|
|
|
|
/* This function will get called to fix up the GOT entry indicated by
|
|
|
|
the offset on the stack, and then jump to the resolved address. */
|
|
|
|
got[2] = (Elf32_Addr) &_dl_runtime_resolve;
|
|
|
|
}
|
2011-03-05 03:39:15 +00:00
|
|
|
|
|
|
|
if (l->l_info[ADDRIDX (DT_TLSDESC_GOT)] && lazy)
|
|
|
|
*(Elf32_Addr*)(D_PTR (l, l_info[ADDRIDX (DT_TLSDESC_GOT)]) + l->l_addr)
|
|
|
|
= (Elf32_Addr) &_dl_tlsdesc_lazy_resolver;
|
|
|
|
|
1998-03-18 14:28:36 +00:00
|
|
|
return lazy;
|
|
|
|
}
|
|
|
|
|
2013-02-27 21:33:09 +00:00
|
|
|
#if defined(ARCH_HAS_BX)
|
2003-09-17 18:09:25 +00:00
|
|
|
#define BX(x) "bx\t" #x
|
1998-03-18 14:28:36 +00:00
|
|
|
#else
|
2003-09-17 18:09:25 +00:00
|
|
|
#define BX(x) "mov\tpc, " #x
|
1998-03-18 14:28:36 +00:00
|
|
|
#endif
|
|
|
|
|
|
|
|
/* Mask identifying addresses reserved for the user program,
|
|
|
|
where the dynamic linker should not map anything. */
|
|
|
|
#define ELF_MACHINE_USER_ADDRESS_MASK 0xf8000000UL
|
|
|
|
|
|
|
|
/* Initial entry point code for the dynamic linker.
|
|
|
|
The C function `_dl_start' is the real entry point;
|
|
|
|
its return value is the user program's entry point. */
|
|
|
|
|
|
|
|
#define RTLD_START asm ("\
|
2002-08-28 21:26:20 +00:00
|
|
|
.text\n\
|
|
|
|
.globl _start\n\
|
2009-02-05 14:46:41 +00:00
|
|
|
.type _start, %function\n\
|
2002-08-28 21:26:20 +00:00
|
|
|
.globl _dl_start_user\n\
|
2009-02-05 14:46:41 +00:00
|
|
|
.type _dl_start_user, %function\n\
|
2002-08-28 21:26:20 +00:00
|
|
|
_start:\n\
|
2004-04-29 20:06:49 +00:00
|
|
|
@ we are PIC code, so get global offset table\n\
|
|
|
|
ldr sl, .L_GET_GOT\n\
|
|
|
|
@ See if we were run as a command with the executable file\n\
|
|
|
|
@ name as an extra leading argument.\n\
|
|
|
|
ldr r4, .L_SKIP_ARGS\n\
|
2002-08-28 21:26:20 +00:00
|
|
|
@ at start time, all the args are on the stack\n\
|
|
|
|
mov r0, sp\n\
|
|
|
|
bl _dl_start\n\
|
|
|
|
@ returns user entry point in r0\n\
|
|
|
|
_dl_start_user:\n\
|
2009-02-05 14:46:41 +00:00
|
|
|
adr r6, .L_GET_GOT\n\
|
|
|
|
add sl, sl, r6\n\
|
2002-08-28 21:26:20 +00:00
|
|
|
ldr r4, [sl, r4]\n\
|
2004-04-29 20:06:49 +00:00
|
|
|
@ save the entry point in another register\n\
|
|
|
|
mov r6, r0\n\
|
2005-10-10 15:29:32 +00:00
|
|
|
@ get the original arg count\n\
|
|
|
|
ldr r1, [sp]\n\
|
2002-08-28 21:26:20 +00:00
|
|
|
@ get the argv address\n\
|
|
|
|
add r2, sp, #4\n\
|
2005-10-10 15:29:32 +00:00
|
|
|
@ Fix up the stack if necessary.\n\
|
|
|
|
cmp r4, #0\n\
|
|
|
|
bne .L_fixup_stack\n\
|
|
|
|
.L_done_fixup:\n\
|
2002-08-28 21:26:20 +00:00
|
|
|
@ compute envp\n\
|
|
|
|
add r3, r2, r1, lsl #2\n\
|
|
|
|
add r3, r3, #4\n\
|
|
|
|
@ now we call _dl_init\n\
|
|
|
|
ldr r0, .L_LOADED\n\
|
|
|
|
ldr r0, [sl, r0]\n\
|
|
|
|
@ call _dl_init\n\
|
|
|
|
bl _dl_init_internal(PLT)\n\
|
|
|
|
@ load the finalizer function\n\
|
|
|
|
ldr r0, .L_FINI_PROC\n\
|
2004-04-29 20:06:49 +00:00
|
|
|
add r0, sl, r0\n\
|
2002-08-28 21:26:20 +00:00
|
|
|
@ jump to the user_s entry point\n\
|
2004-12-04 21:20:17 +00:00
|
|
|
" BX(r6) "\n\
|
2005-10-10 15:29:32 +00:00
|
|
|
\n\
|
|
|
|
@ iWMMXt and EABI targets require the stack to be eight byte\n\
|
|
|
|
@ aligned - shuffle arguments etc.\n\
|
|
|
|
.L_fixup_stack:\n\
|
|
|
|
@ subtract _dl_skip_args from original arg count\n\
|
|
|
|
sub r1, r1, r4\n\
|
|
|
|
@ store the new argc in the new stack location\n\
|
|
|
|
str r1, [sp]\n\
|
|
|
|
@ find the first unskipped argument\n\
|
|
|
|
mov r3, r2\n\
|
|
|
|
add r4, r2, r4, lsl #2\n\
|
|
|
|
@ shuffle argv down\n\
|
|
|
|
1: ldr r5, [r4], #4\n\
|
|
|
|
str r5, [r3], #4\n\
|
|
|
|
cmp r5, #0\n\
|
|
|
|
bne 1b\n\
|
|
|
|
@ shuffle envp down\n\
|
|
|
|
1: ldr r5, [r4], #4\n\
|
|
|
|
str r5, [r3], #4\n\
|
|
|
|
cmp r5, #0\n\
|
|
|
|
bne 1b\n\
|
|
|
|
@ shuffle auxv down\n\
|
|
|
|
1: ldmia r4!, {r0, r5}\n\
|
|
|
|
stmia r3!, {r0, r5}\n\
|
|
|
|
cmp r0, #0\n\
|
|
|
|
bne 1b\n\
|
|
|
|
@ Update _dl_argv\n\
|
|
|
|
ldr r3, .L_ARGV\n\
|
|
|
|
str r2, [sl, r3]\n\
|
|
|
|
b .L_done_fixup\n\
|
|
|
|
\n\
|
2002-08-28 21:26:20 +00:00
|
|
|
.L_GET_GOT:\n\
|
2009-02-05 14:46:41 +00:00
|
|
|
.word _GLOBAL_OFFSET_TABLE_ - .L_GET_GOT\n\
|
2002-08-28 21:26:20 +00:00
|
|
|
.L_SKIP_ARGS:\n\
|
|
|
|
.word _dl_skip_args(GOTOFF)\n\
|
|
|
|
.L_FINI_PROC:\n\
|
2004-04-29 20:06:49 +00:00
|
|
|
.word _dl_fini(GOTOFF)\n\
|
2005-10-10 15:29:32 +00:00
|
|
|
.L_ARGV:\n\
|
|
|
|
.word _dl_argv(GOTOFF)\n\
|
2002-08-28 21:26:20 +00:00
|
|
|
.L_LOADED:\n\
|
2004-04-29 20:06:49 +00:00
|
|
|
.word _rtld_local(GOTOFF)\n\
|
1998-03-18 14:28:36 +00:00
|
|
|
.previous\n\
|
|
|
|
");
|
|
|
|
|
* sysdeps/arm/dl-machine.h: Include <tls.h>.
(elf_machine_type_class, elf_machine_rel, elf_machine_rela): Handle
TLS relocations.
* sysdeps/unix/sysv/linux/arm/Makefile: Build __aeabi_read_tp.
* sysdeps/unix/sysv/linux/arm/sysdep.h (INTERNAL_SYSCALL_RAW): Renamed
from INTERNAL_SYSCALL.
(INTERNAL_SYSCALL, INTERNAL_SYSCALL_ARM): New macros.
* sysdeps/arm/dl-tls.h, sysdeps/arm/elf/configure.in,
sysdeps/arm/elf/configure, sysdeps/arm/libc-tls.c,
sysdeps/arm/linuxthreads/tls.h, sysdeps/arm/tls-macros.h,
sysdeps/unix/sysv/linux/arm/aeabi_read_tp.S,
sysdeps/unix/sysv/linux/arm/libc-aeabi_read_tp.S: New files.
2005-10-05 20:15:22 +00:00
|
|
|
/* ELF_RTYPE_CLASS_PLT iff TYPE describes relocation of a PLT entry or
|
|
|
|
TLS variable, so undefined references should not be allowed to
|
|
|
|
define the value.
|
2001-08-26 22:26:38 +00:00
|
|
|
ELF_RTYPE_CLASS_NOCOPY iff TYPE should not be allowed to resolve to one
|
|
|
|
of the main executable's symbols, as for a COPY reloc. */
|
2011-10-26 16:16:52 +00:00
|
|
|
#ifndef RTLD_BOOTSTRAP
|
|
|
|
# define elf_machine_type_class(type) \
|
* sysdeps/arm/dl-machine.h: Include <tls.h>.
(elf_machine_type_class, elf_machine_rel, elf_machine_rela): Handle
TLS relocations.
* sysdeps/unix/sysv/linux/arm/Makefile: Build __aeabi_read_tp.
* sysdeps/unix/sysv/linux/arm/sysdep.h (INTERNAL_SYSCALL_RAW): Renamed
from INTERNAL_SYSCALL.
(INTERNAL_SYSCALL, INTERNAL_SYSCALL_ARM): New macros.
* sysdeps/arm/dl-tls.h, sysdeps/arm/elf/configure.in,
sysdeps/arm/elf/configure, sysdeps/arm/libc-tls.c,
sysdeps/arm/linuxthreads/tls.h, sysdeps/arm/tls-macros.h,
sysdeps/unix/sysv/linux/arm/aeabi_read_tp.S,
sysdeps/unix/sysv/linux/arm/libc-aeabi_read_tp.S: New files.
2005-10-05 20:15:22 +00:00
|
|
|
((((type) == R_ARM_JUMP_SLOT || (type) == R_ARM_TLS_DTPMOD32 \
|
2011-03-05 03:39:15 +00:00
|
|
|
|| (type) == R_ARM_TLS_DTPOFF32 || (type) == R_ARM_TLS_TPOFF32 \
|
|
|
|
|| (type) == R_ARM_TLS_DESC) \
|
* sysdeps/arm/dl-machine.h: Include <tls.h>.
(elf_machine_type_class, elf_machine_rel, elf_machine_rela): Handle
TLS relocations.
* sysdeps/unix/sysv/linux/arm/Makefile: Build __aeabi_read_tp.
* sysdeps/unix/sysv/linux/arm/sysdep.h (INTERNAL_SYSCALL_RAW): Renamed
from INTERNAL_SYSCALL.
(INTERNAL_SYSCALL, INTERNAL_SYSCALL_ARM): New macros.
* sysdeps/arm/dl-tls.h, sysdeps/arm/elf/configure.in,
sysdeps/arm/elf/configure, sysdeps/arm/libc-tls.c,
sysdeps/arm/linuxthreads/tls.h, sysdeps/arm/tls-macros.h,
sysdeps/unix/sysv/linux/arm/aeabi_read_tp.S,
sysdeps/unix/sysv/linux/arm/libc-aeabi_read_tp.S: New files.
2005-10-05 20:15:22 +00:00
|
|
|
* ELF_RTYPE_CLASS_PLT) \
|
|
|
|
| (((type) == R_ARM_COPY) * ELF_RTYPE_CLASS_COPY))
|
2011-10-26 16:16:52 +00:00
|
|
|
#else
|
|
|
|
#define elf_machine_type_class(type) \
|
|
|
|
((((type) == R_ARM_JUMP_SLOT) * ELF_RTYPE_CLASS_PLT) \
|
|
|
|
| (((type) == R_ARM_COPY) * ELF_RTYPE_CLASS_COPY))
|
|
|
|
#endif
|
1998-03-18 14:28:36 +00:00
|
|
|
|
|
|
|
/* A reloc type used for ld.so cmdline arg lookups to reject PLT entries. */
|
1998-06-09 15:13:18 +00:00
|
|
|
#define ELF_MACHINE_JMP_SLOT R_ARM_JUMP_SLOT
|
1998-03-18 14:28:36 +00:00
|
|
|
|
2001-12-12 00:11:47 +00:00
|
|
|
/* ARM never uses Elf32_Rela relocations for the dynamic linker.
|
|
|
|
Prelinked libraries may use Elf32_Rela though. */
|
|
|
|
#define ELF_MACHINE_PLT_REL 1
|
1998-03-18 14:28:36 +00:00
|
|
|
|
|
|
|
/* We define an initialization functions. This is called very early in
|
|
|
|
_dl_sysdep_start. */
|
|
|
|
#define DL_PLATFORM_INIT dl_platform_init ()
|
|
|
|
|
|
|
|
static inline void __attribute__ ((unused))
|
|
|
|
dl_platform_init (void)
|
|
|
|
{
|
2004-03-05 10:22:54 +00:00
|
|
|
if (GLRO(dl_platform) != NULL && *GLRO(dl_platform) == '\0')
|
2000-01-10 01:42:43 +00:00
|
|
|
/* Avoid an empty string which would disturb us. */
|
2004-03-05 10:22:54 +00:00
|
|
|
GLRO(dl_platform) = NULL;
|
1998-03-18 14:28:36 +00:00
|
|
|
}
|
|
|
|
|
2000-05-05 07:12:09 +00:00
|
|
|
static inline Elf32_Addr
|
|
|
|
elf_machine_fixup_plt (struct link_map *map, lookup_t t,
|
|
|
|
const Elf32_Rel *reloc,
|
1998-03-18 14:28:36 +00:00
|
|
|
Elf32_Addr *reloc_addr, Elf32_Addr value)
|
|
|
|
{
|
2000-05-05 07:12:09 +00:00
|
|
|
return *reloc_addr = value;
|
1998-03-18 14:28:36 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Return the final value of a plt relocation. */
|
|
|
|
static inline Elf32_Addr
|
|
|
|
elf_machine_plt_value (struct link_map *map, const Elf32_Rel *reloc,
|
|
|
|
Elf32_Addr value)
|
|
|
|
{
|
|
|
|
return value;
|
|
|
|
}
|
|
|
|
|
|
|
|
#endif /* !dl_machine_h */
|
|
|
|
|
|
|
|
|
2001-12-12 00:11:47 +00:00
|
|
|
/* ARM never uses Elf32_Rela relocations for the dynamic linker.
|
|
|
|
Prelinked libraries may use Elf32_Rela though. */
|
2005-03-06 00:07:58 +00:00
|
|
|
#define ELF_MACHINE_NO_RELA defined RTLD_BOOTSTRAP
|
2005-03-01 20:34:40 +00:00
|
|
|
|
2005-10-05 20:13:03 +00:00
|
|
|
/* Names of the architecture-specific auditing callback functions. */
|
|
|
|
#define ARCH_LA_PLTENTER arm_gnu_pltenter
|
|
|
|
#define ARCH_LA_PLTEXIT arm_gnu_pltexit
|
|
|
|
|
2005-06-10 11:33:52 +00:00
|
|
|
#ifdef RESOLVE_MAP
|
2012-10-05 16:39:23 +00:00
|
|
|
/* Handle a PC24 reloc, including the out-of-range case. */
|
|
|
|
auto void
|
|
|
|
relocate_pc24 (struct link_map *map, Elf32_Addr value,
|
|
|
|
Elf32_Addr *const reloc_addr, Elf32_Sword addend)
|
2000-07-29 19:32:27 +00:00
|
|
|
{
|
2012-10-05 16:39:23 +00:00
|
|
|
Elf32_Addr new_value;
|
|
|
|
|
|
|
|
/* Set NEW_VALUE based on V, and return true iff it overflows 24 bits. */
|
|
|
|
inline bool set_new_value (Elf32_Addr v)
|
|
|
|
{
|
|
|
|
new_value = v + addend - (Elf32_Addr) reloc_addr;
|
|
|
|
Elf32_Addr topbits = new_value & 0xfe000000;
|
|
|
|
return topbits != 0xfe000000 && topbits != 0x00000000;
|
|
|
|
}
|
2000-07-29 19:32:27 +00:00
|
|
|
|
2012-10-05 16:39:23 +00:00
|
|
|
if (set_new_value (value))
|
2000-07-29 19:32:27 +00:00
|
|
|
{
|
2012-10-05 16:39:23 +00:00
|
|
|
/* The PC-relative address doesn't fit in 24 bits! */
|
|
|
|
|
|
|
|
static void *fix_page;
|
|
|
|
static size_t fix_offset;
|
|
|
|
if (fix_page == NULL)
|
|
|
|
{
|
|
|
|
void *new_page = __mmap (NULL, GLRO(dl_pagesize),
|
|
|
|
PROT_READ | PROT_WRITE | PROT_EXEC,
|
|
|
|
MAP_PRIVATE | MAP_ANON, -1, 0);
|
|
|
|
if (new_page == MAP_FAILED)
|
|
|
|
_dl_signal_error (0, map->l_name, NULL,
|
|
|
|
"could not map page for fixup");
|
|
|
|
fix_page = new_page;
|
|
|
|
assert (fix_offset == 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
Elf32_Word *fix_address = fix_page + fix_offset;
|
|
|
|
fix_address[0] = 0xe51ff004; /* ldr pc, [pc, #-4] */
|
|
|
|
fix_address[1] = value;
|
|
|
|
|
|
|
|
fix_offset += sizeof fix_address[0] * 2;
|
|
|
|
if (fix_offset >= GLRO(dl_pagesize))
|
|
|
|
{
|
|
|
|
fix_page = NULL;
|
|
|
|
fix_offset = 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (set_new_value ((Elf32_Addr) fix_address))
|
|
|
|
_dl_signal_error (0, map->l_name, NULL,
|
|
|
|
"R_ARM_PC24 relocation out of range");
|
2000-07-29 19:32:27 +00:00
|
|
|
}
|
|
|
|
|
2012-10-05 16:39:23 +00:00
|
|
|
*reloc_addr = (*reloc_addr & 0xff000000) | ((new_value >> 2) & 0x00ffffff);
|
2000-07-29 19:32:27 +00:00
|
|
|
}
|
|
|
|
|
1998-03-18 14:28:36 +00:00
|
|
|
/* Perform the relocation specified by RELOC and SYM (which is fully resolved).
|
|
|
|
MAP is the object containing the reloc. */
|
|
|
|
|
2005-03-15 Jakub Jelinek <jakub@redhat.com>
* elf/dynamic-link.h (elf_machine_rel, elf_machine_rel_relative,
elf_machine_rela, elf_machine_rela_relative, elf_machine_lazy_rel):
Add inline keyword.
* sysdeps/alpha/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative, elf_machine_lazy_rel): Add always_inline
attribute.
* sysdeps/sparc/sparc32/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative, elf_machine_lazy_rel): Likewise. Change
static inline into auto inline.
* sysdeps/sparc/sparc64/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative, elf_machine_lazy_rel): Likewise.
* sysdeps/generic/dl-machine.h (elf_machine_rel, elf_machine_rela):
Likewise.
* sysdeps/arm/dl-machine.h (elf_machine_rel, elf_machine_rel_relative,
elf_machine_rela, elf_machine_rela_relative, elf_machine_lazy_rel):
Likewise.
2005-03-15 22:57:26 +00:00
|
|
|
auto inline void
|
|
|
|
__attribute__ ((always_inline))
|
1998-03-18 14:28:36 +00:00
|
|
|
elf_machine_rel (struct link_map *map, const Elf32_Rel *reloc,
|
|
|
|
const Elf32_Sym *sym, const struct r_found_version *version,
|
2011-10-05 09:51:41 +00:00
|
|
|
void *const reloc_addr_arg, int skip_ifunc)
|
1998-03-18 14:28:36 +00:00
|
|
|
{
|
* elf/dynamic-link.h (elf_machine_rel, elf_machine_rela,
elf_machine_rel_relative, elf_machine_rela_relative): Don't assume
reloc_addr is aligned.
* sysdeps/alpha/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/arm/dl-machine.h (elf_machine_rel, elf_machine_rela,
elf_machine_rel_relative, elf_machine_rela_relative): Adjust.
* sysdeps/cris/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/hppa/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/i386/dl-machine.h (elf_machine_rel, elf_machine_rela,
elf_machine_rel_relative, elf_machine_rela_relative): Adjust.
* sysdeps/ia64/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/m68k/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/mips/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/powerpc/powerpc32/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/powerpc/powerpc64/dl-machine.h
(elf_machine_rela_relative, elf_machine_rela): Adjust.
* sysdeps/s390/s390-32/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/s390/s390-64/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative):
* sysdeps/sh/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/sparc/sparc32/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/sparc/sparc64/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/x86_64/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
2003-07-31 06:33:52 +00:00
|
|
|
Elf32_Addr *const reloc_addr = reloc_addr_arg;
|
2001-08-24 08:43:21 +00:00
|
|
|
const unsigned int r_type = ELF32_R_TYPE (reloc->r_info);
|
|
|
|
|
2002-07-15 02:07:00 +00:00
|
|
|
#if !defined RTLD_BOOTSTRAP || !defined HAVE_Z_COMBRELOC
|
2001-08-24 08:43:21 +00:00
|
|
|
if (__builtin_expect (r_type == R_ARM_RELATIVE, 0))
|
1998-03-18 14:28:36 +00:00
|
|
|
{
|
2002-07-15 02:07:00 +00:00
|
|
|
# if !defined RTLD_BOOTSTRAP && !defined HAVE_Z_COMBRELOC
|
|
|
|
/* This is defined in rtld.c, but nowhere in the static libc.a;
|
|
|
|
make the reference weak so static programs can still link.
|
|
|
|
This declaration cannot be done when compiling rtld.c
|
|
|
|
(i.e. #ifdef RTLD_BOOTSTRAP) because rtld.c contains the
|
|
|
|
common defn for _dl_rtld_map, which is incompatible with a
|
|
|
|
weak decl in the same file. */
|
|
|
|
# ifndef SHARED
|
|
|
|
weak_extern (_dl_rtld_map);
|
|
|
|
# endif
|
|
|
|
if (map != &GL(dl_rtld_map)) /* Already done in rtld itself. */
|
2002-03-01 09:43:36 +00:00
|
|
|
# endif
|
1998-03-18 14:28:36 +00:00
|
|
|
*reloc_addr += map->l_addr;
|
|
|
|
}
|
2002-03-01 09:43:36 +00:00
|
|
|
# ifndef RTLD_BOOTSTRAP
|
2001-08-24 08:43:21 +00:00
|
|
|
else if (__builtin_expect (r_type == R_ARM_NONE, 0))
|
|
|
|
return;
|
2002-03-01 09:43:36 +00:00
|
|
|
# endif
|
2001-08-24 08:43:21 +00:00
|
|
|
else
|
2002-07-15 02:07:00 +00:00
|
|
|
#endif
|
1998-03-18 14:28:36 +00:00
|
|
|
{
|
|
|
|
const Elf32_Sym *const refsym = sym;
|
2005-06-10 11:33:52 +00:00
|
|
|
struct link_map *sym_map = RESOLVE_MAP (&sym, version, r_type);
|
|
|
|
Elf32_Addr value = sym_map == NULL ? 0 : sym_map->l_addr + sym->st_value;
|
1998-03-18 14:28:36 +00:00
|
|
|
|
2011-04-26 21:00:46 +00:00
|
|
|
if (sym != NULL
|
2011-10-05 09:51:41 +00:00
|
|
|
&& __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))
|
2012-05-25 16:07:05 +00:00
|
|
|
value = elf_ifunc_invoke (value);
|
2011-04-26 21:00:46 +00:00
|
|
|
|
2001-08-24 08:43:21 +00:00
|
|
|
switch (r_type)
|
1998-03-18 14:28:36 +00:00
|
|
|
{
|
|
|
|
case R_ARM_COPY:
|
|
|
|
if (sym == NULL)
|
|
|
|
/* This can happen in trace mode if an object could not be
|
|
|
|
found. */
|
|
|
|
break;
|
|
|
|
if (sym->st_size > refsym->st_size
|
2004-03-05 10:22:54 +00:00
|
|
|
|| (GLRO(dl_verbose) && sym->st_size < refsym->st_size))
|
1998-03-18 14:28:36 +00:00
|
|
|
{
|
|
|
|
const char *strtab;
|
|
|
|
|
2000-03-31 05:16:19 +00:00
|
|
|
strtab = (const void *) D_PTR (map, l_info[DT_STRTAB]);
|
2001-02-28 06:35:24 +00:00
|
|
|
_dl_error_printf ("\
|
|
|
|
%s: Symbol `%s' has different size in shared object, consider re-linking\n",
|
2013-05-29 16:00:20 +00:00
|
|
|
RTLD_PROGNAME, strtab + refsym->st_name);
|
1998-03-18 14:28:36 +00:00
|
|
|
}
|
* elf/dynamic-link.h (elf_machine_rel, elf_machine_rela,
elf_machine_rel_relative, elf_machine_rela_relative): Don't assume
reloc_addr is aligned.
* sysdeps/alpha/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/arm/dl-machine.h (elf_machine_rel, elf_machine_rela,
elf_machine_rel_relative, elf_machine_rela_relative): Adjust.
* sysdeps/cris/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/hppa/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/i386/dl-machine.h (elf_machine_rel, elf_machine_rela,
elf_machine_rel_relative, elf_machine_rela_relative): Adjust.
* sysdeps/ia64/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/m68k/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/mips/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/powerpc/powerpc32/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/powerpc/powerpc64/dl-machine.h
(elf_machine_rela_relative, elf_machine_rela): Adjust.
* sysdeps/s390/s390-32/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/s390/s390-64/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative):
* sysdeps/sh/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/sparc/sparc32/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/sparc/sparc64/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/x86_64/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
2003-07-31 06:33:52 +00:00
|
|
|
memcpy (reloc_addr_arg, (void *) value,
|
|
|
|
MIN (sym->st_size, refsym->st_size));
|
1998-03-18 14:28:36 +00:00
|
|
|
break;
|
|
|
|
case R_ARM_GLOB_DAT:
|
1998-06-09 15:13:18 +00:00
|
|
|
case R_ARM_JUMP_SLOT:
|
2002-03-01 09:43:36 +00:00
|
|
|
# ifdef RTLD_BOOTSTRAP
|
1998-11-27 10:01:37 +00:00
|
|
|
/* Fix weak undefined references. */
|
1999-02-20 14:57:43 +00:00
|
|
|
if (sym != NULL && sym->st_value == 0)
|
1998-11-27 10:01:37 +00:00
|
|
|
*reloc_addr = 0;
|
|
|
|
else
|
2002-03-01 09:43:36 +00:00
|
|
|
# endif
|
1998-11-27 10:01:37 +00:00
|
|
|
*reloc_addr = value;
|
1998-03-18 14:28:36 +00:00
|
|
|
break;
|
1998-06-09 15:13:18 +00:00
|
|
|
case R_ARM_ABS32:
|
1998-03-18 14:28:36 +00:00
|
|
|
{
|
2012-01-01 07:36:32 +00:00
|
|
|
struct unaligned
|
|
|
|
{
|
|
|
|
Elf32_Addr x;
|
2012-08-15 01:38:15 +00:00
|
|
|
} __attribute__ ((packed, may_alias));
|
2002-03-01 09:43:36 +00:00
|
|
|
# ifndef RTLD_BOOTSTRAP
|
1998-03-18 14:28:36 +00:00
|
|
|
/* 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. */
|
2002-03-01 09:43:36 +00:00
|
|
|
# ifndef SHARED
|
1998-03-18 14:28:36 +00:00
|
|
|
weak_extern (_dl_rtld_map);
|
2002-03-01 09:43:36 +00:00
|
|
|
# endif
|
2002-07-15 02:07:00 +00:00
|
|
|
if (map == &GL(dl_rtld_map))
|
1998-03-18 14:28:36 +00:00
|
|
|
/* Undo the relocation done here during bootstrapping.
|
|
|
|
Now we will relocate it anew, possibly using a
|
|
|
|
binding found in the user program or a loaded library
|
|
|
|
rather than the dynamic linker's built-in definitions
|
|
|
|
used while loading those libraries. */
|
|
|
|
value -= map->l_addr + refsym->st_value;
|
2002-03-01 09:43:36 +00:00
|
|
|
# endif
|
2012-01-01 07:36:32 +00:00
|
|
|
/* Support relocations on mis-aligned offsets. */
|
|
|
|
((struct unaligned *) reloc_addr)->x += value;
|
1998-03-18 14:28:36 +00:00
|
|
|
break;
|
|
|
|
}
|
2011-03-05 03:39:15 +00:00
|
|
|
case R_ARM_TLS_DESC:
|
|
|
|
{
|
2011-10-05 09:51:41 +00:00
|
|
|
struct tlsdesc volatile *td =
|
2011-03-05 03:39:15 +00:00
|
|
|
(struct tlsdesc volatile *)reloc_addr;
|
|
|
|
|
|
|
|
# ifndef RTLD_BOOTSTRAP
|
|
|
|
if (! sym)
|
|
|
|
td->entry = _dl_tlsdesc_undefweak;
|
|
|
|
else
|
|
|
|
# endif
|
|
|
|
{
|
|
|
|
value = sym->st_value + td->argument.value;
|
|
|
|
|
|
|
|
# ifndef RTLD_BOOTSTRAP
|
|
|
|
# ifndef SHARED
|
|
|
|
CHECK_STATIC_TLS (map, sym_map);
|
|
|
|
# else
|
|
|
|
if (!TRY_STATIC_TLS (map, sym_map))
|
|
|
|
{
|
|
|
|
td->argument.pointer
|
|
|
|
= _dl_make_tlsdesc_dynamic (sym_map, value);
|
|
|
|
td->entry = _dl_tlsdesc_dynamic;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
# endif
|
|
|
|
# endif
|
2011-10-05 09:51:41 +00:00
|
|
|
{
|
2011-03-05 03:39:15 +00:00
|
|
|
td->argument.value = value + sym_map->l_tls_offset;
|
|
|
|
td->entry = _dl_tlsdesc_return;
|
2011-10-05 09:51:41 +00:00
|
|
|
}
|
2011-03-05 03:39:15 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
break;
|
1999-12-08 07:35:32 +00:00
|
|
|
case R_ARM_PC24:
|
2012-10-05 16:39:23 +00:00
|
|
|
relocate_pc24 (map, value, reloc_addr,
|
|
|
|
/* Sign-extend the 24-bit addend in the
|
|
|
|
instruction (which counts instructions), and
|
|
|
|
then shift it up two so as to count bytes. */
|
|
|
|
(((Elf32_Sword) *reloc_addr << 8) >> 8) << 2);
|
* sysdeps/arm/dl-machine.h: Include <tls.h>.
(elf_machine_type_class, elf_machine_rel, elf_machine_rela): Handle
TLS relocations.
* sysdeps/unix/sysv/linux/arm/Makefile: Build __aeabi_read_tp.
* sysdeps/unix/sysv/linux/arm/sysdep.h (INTERNAL_SYSCALL_RAW): Renamed
from INTERNAL_SYSCALL.
(INTERNAL_SYSCALL, INTERNAL_SYSCALL_ARM): New macros.
* sysdeps/arm/dl-tls.h, sysdeps/arm/elf/configure.in,
sysdeps/arm/elf/configure, sysdeps/arm/libc-tls.c,
sysdeps/arm/linuxthreads/tls.h, sysdeps/arm/tls-macros.h,
sysdeps/unix/sysv/linux/arm/aeabi_read_tp.S,
sysdeps/unix/sysv/linux/arm/libc-aeabi_read_tp.S: New files.
2005-10-05 20:15:22 +00:00
|
|
|
break;
|
2011-04-26 21:00:46 +00:00
|
|
|
#if !defined RTLD_BOOTSTRAP
|
* sysdeps/arm/dl-machine.h: Include <tls.h>.
(elf_machine_type_class, elf_machine_rel, elf_machine_rela): Handle
TLS relocations.
* sysdeps/unix/sysv/linux/arm/Makefile: Build __aeabi_read_tp.
* sysdeps/unix/sysv/linux/arm/sysdep.h (INTERNAL_SYSCALL_RAW): Renamed
from INTERNAL_SYSCALL.
(INTERNAL_SYSCALL, INTERNAL_SYSCALL_ARM): New macros.
* sysdeps/arm/dl-tls.h, sysdeps/arm/elf/configure.in,
sysdeps/arm/elf/configure, sysdeps/arm/libc-tls.c,
sysdeps/arm/linuxthreads/tls.h, sysdeps/arm/tls-macros.h,
sysdeps/unix/sysv/linux/arm/aeabi_read_tp.S,
sysdeps/unix/sysv/linux/arm/libc-aeabi_read_tp.S: New files.
2005-10-05 20:15:22 +00:00
|
|
|
case R_ARM_TLS_DTPMOD32:
|
|
|
|
/* Get the information from the link map returned by the
|
|
|
|
resolv function. */
|
|
|
|
if (sym_map != NULL)
|
|
|
|
*reloc_addr = sym_map->l_tls_modid;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case R_ARM_TLS_DTPOFF32:
|
2006-09-21 18:21:19 +00:00
|
|
|
if (sym != NULL)
|
|
|
|
*reloc_addr += sym->st_value;
|
* sysdeps/arm/dl-machine.h: Include <tls.h>.
(elf_machine_type_class, elf_machine_rel, elf_machine_rela): Handle
TLS relocations.
* sysdeps/unix/sysv/linux/arm/Makefile: Build __aeabi_read_tp.
* sysdeps/unix/sysv/linux/arm/sysdep.h (INTERNAL_SYSCALL_RAW): Renamed
from INTERNAL_SYSCALL.
(INTERNAL_SYSCALL, INTERNAL_SYSCALL_ARM): New macros.
* sysdeps/arm/dl-tls.h, sysdeps/arm/elf/configure.in,
sysdeps/arm/elf/configure, sysdeps/arm/libc-tls.c,
sysdeps/arm/linuxthreads/tls.h, sysdeps/arm/tls-macros.h,
sysdeps/unix/sysv/linux/arm/aeabi_read_tp.S,
sysdeps/unix/sysv/linux/arm/libc-aeabi_read_tp.S: New files.
2005-10-05 20:15:22 +00:00
|
|
|
break;
|
|
|
|
|
|
|
|
case R_ARM_TLS_TPOFF32:
|
2006-09-21 18:21:19 +00:00
|
|
|
if (sym != NULL)
|
|
|
|
{
|
|
|
|
CHECK_STATIC_TLS (map, sym_map);
|
|
|
|
*reloc_addr += sym->st_value + sym_map->l_tls_offset;
|
|
|
|
}
|
* sysdeps/arm/dl-machine.h: Include <tls.h>.
(elf_machine_type_class, elf_machine_rel, elf_machine_rela): Handle
TLS relocations.
* sysdeps/unix/sysv/linux/arm/Makefile: Build __aeabi_read_tp.
* sysdeps/unix/sysv/linux/arm/sysdep.h (INTERNAL_SYSCALL_RAW): Renamed
from INTERNAL_SYSCALL.
(INTERNAL_SYSCALL, INTERNAL_SYSCALL_ARM): New macros.
* sysdeps/arm/dl-tls.h, sysdeps/arm/elf/configure.in,
sysdeps/arm/elf/configure, sysdeps/arm/libc-tls.c,
sysdeps/arm/linuxthreads/tls.h, sysdeps/arm/tls-macros.h,
sysdeps/unix/sysv/linux/arm/aeabi_read_tp.S,
sysdeps/unix/sysv/linux/arm/libc-aeabi_read_tp.S: New files.
2005-10-05 20:15:22 +00:00
|
|
|
break;
|
2011-04-26 21:00:46 +00:00
|
|
|
case R_ARM_IRELATIVE:
|
|
|
|
value = map->l_addr + *reloc_addr;
|
|
|
|
value = ((Elf32_Addr (*) (void)) value) ();
|
|
|
|
*reloc_addr = value;
|
|
|
|
break;
|
* sysdeps/arm/dl-machine.h: Include <tls.h>.
(elf_machine_type_class, elf_machine_rel, elf_machine_rela): Handle
TLS relocations.
* sysdeps/unix/sysv/linux/arm/Makefile: Build __aeabi_read_tp.
* sysdeps/unix/sysv/linux/arm/sysdep.h (INTERNAL_SYSCALL_RAW): Renamed
from INTERNAL_SYSCALL.
(INTERNAL_SYSCALL, INTERNAL_SYSCALL_ARM): New macros.
* sysdeps/arm/dl-tls.h, sysdeps/arm/elf/configure.in,
sysdeps/arm/elf/configure, sysdeps/arm/libc-tls.c,
sysdeps/arm/linuxthreads/tls.h, sysdeps/arm/tls-macros.h,
sysdeps/unix/sysv/linux/arm/aeabi_read_tp.S,
sysdeps/unix/sysv/linux/arm/libc-aeabi_read_tp.S: New files.
2005-10-05 20:15:22 +00:00
|
|
|
#endif
|
1998-03-18 14:28:36 +00:00
|
|
|
default:
|
2001-08-24 08:43:21 +00:00
|
|
|
_dl_reloc_bad_type (map, r_type, 0);
|
1998-03-18 14:28:36 +00:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2002-03-01 09:43:36 +00:00
|
|
|
# ifndef RTLD_BOOTSTRAP
|
2005-03-15 Jakub Jelinek <jakub@redhat.com>
* elf/dynamic-link.h (elf_machine_rel, elf_machine_rel_relative,
elf_machine_rela, elf_machine_rela_relative, elf_machine_lazy_rel):
Add inline keyword.
* sysdeps/alpha/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative, elf_machine_lazy_rel): Add always_inline
attribute.
* sysdeps/sparc/sparc32/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative, elf_machine_lazy_rel): Likewise. Change
static inline into auto inline.
* sysdeps/sparc/sparc64/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative, elf_machine_lazy_rel): Likewise.
* sysdeps/generic/dl-machine.h (elf_machine_rel, elf_machine_rela):
Likewise.
* sysdeps/arm/dl-machine.h (elf_machine_rel, elf_machine_rel_relative,
elf_machine_rela, elf_machine_rela_relative, elf_machine_lazy_rel):
Likewise.
2005-03-15 22:57:26 +00:00
|
|
|
auto inline void
|
|
|
|
__attribute__ ((always_inline))
|
2001-12-12 00:11:47 +00:00
|
|
|
elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
|
|
|
|
const Elf32_Sym *sym, const struct r_found_version *version,
|
2011-10-05 09:51:41 +00:00
|
|
|
void *const reloc_addr_arg, int skip_ifunc)
|
2001-12-12 00:11:47 +00:00
|
|
|
{
|
* elf/dynamic-link.h (elf_machine_rel, elf_machine_rela,
elf_machine_rel_relative, elf_machine_rela_relative): Don't assume
reloc_addr is aligned.
* sysdeps/alpha/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/arm/dl-machine.h (elf_machine_rel, elf_machine_rela,
elf_machine_rel_relative, elf_machine_rela_relative): Adjust.
* sysdeps/cris/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/hppa/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/i386/dl-machine.h (elf_machine_rel, elf_machine_rela,
elf_machine_rel_relative, elf_machine_rela_relative): Adjust.
* sysdeps/ia64/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/m68k/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/mips/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/powerpc/powerpc32/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/powerpc/powerpc64/dl-machine.h
(elf_machine_rela_relative, elf_machine_rela): Adjust.
* sysdeps/s390/s390-32/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/s390/s390-64/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative):
* sysdeps/sh/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/sparc/sparc32/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/sparc/sparc64/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/x86_64/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
2003-07-31 06:33:52 +00:00
|
|
|
Elf32_Addr *const reloc_addr = reloc_addr_arg;
|
2001-12-12 00:11:47 +00:00
|
|
|
const unsigned int r_type = ELF32_R_TYPE (reloc->r_info);
|
|
|
|
|
|
|
|
if (__builtin_expect (r_type == R_ARM_RELATIVE, 0))
|
|
|
|
*reloc_addr = map->l_addr + reloc->r_addend;
|
|
|
|
else if (__builtin_expect (r_type == R_ARM_NONE, 0))
|
|
|
|
return;
|
|
|
|
else
|
|
|
|
{
|
2002-11-15 22:51:20 +00:00
|
|
|
# ifndef RESOLVE_CONFLICT_FIND_MAP
|
|
|
|
const Elf32_Sym *const refsym = sym;
|
|
|
|
# endif
|
2005-06-10 11:33:52 +00:00
|
|
|
struct link_map *sym_map = RESOLVE_MAP (&sym, version, r_type);
|
|
|
|
Elf32_Addr value = sym_map == NULL ? 0 : sym_map->l_addr + sym->st_value;
|
2001-12-12 00:11:47 +00:00
|
|
|
|
2011-04-26 21:00:46 +00:00
|
|
|
if (sym != NULL
|
2011-10-05 09:51:41 +00:00
|
|
|
&& __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))
|
2012-05-25 16:07:05 +00:00
|
|
|
value = elf_ifunc_invoke (value);
|
2011-04-26 21:00:46 +00:00
|
|
|
|
2001-12-12 00:11:47 +00:00
|
|
|
switch (r_type)
|
|
|
|
{
|
2002-11-15 22:51:20 +00:00
|
|
|
# ifndef RESOLVE_CONFLICT_FIND_MAP
|
|
|
|
/* Not needed for dl-conflict.c. */
|
|
|
|
case R_ARM_COPY:
|
|
|
|
if (sym == NULL)
|
|
|
|
/* This can happen in trace mode if an object could not be
|
|
|
|
found. */
|
|
|
|
break;
|
|
|
|
if (sym->st_size > refsym->st_size
|
2004-03-05 10:22:54 +00:00
|
|
|
|| (GLRO(dl_verbose) && sym->st_size < refsym->st_size))
|
2002-11-15 22:51:20 +00:00
|
|
|
{
|
|
|
|
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",
|
2013-05-29 16:00:20 +00:00
|
|
|
RTLD_PROGNAME, strtab + refsym->st_name);
|
2002-11-15 22:51:20 +00:00
|
|
|
}
|
* elf/dynamic-link.h (elf_machine_rel, elf_machine_rela,
elf_machine_rel_relative, elf_machine_rela_relative): Don't assume
reloc_addr is aligned.
* sysdeps/alpha/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/arm/dl-machine.h (elf_machine_rel, elf_machine_rela,
elf_machine_rel_relative, elf_machine_rela_relative): Adjust.
* sysdeps/cris/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/hppa/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/i386/dl-machine.h (elf_machine_rel, elf_machine_rela,
elf_machine_rel_relative, elf_machine_rela_relative): Adjust.
* sysdeps/ia64/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/m68k/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/mips/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/powerpc/powerpc32/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/powerpc/powerpc64/dl-machine.h
(elf_machine_rela_relative, elf_machine_rela): Adjust.
* sysdeps/s390/s390-32/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/s390/s390-64/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative):
* sysdeps/sh/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/sparc/sparc32/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/sparc/sparc64/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/x86_64/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
2003-07-31 06:33:52 +00:00
|
|
|
memcpy (reloc_addr_arg, (void *) value,
|
|
|
|
MIN (sym->st_size, refsym->st_size));
|
2002-11-15 22:51:20 +00:00
|
|
|
break;
|
|
|
|
# endif /* !RESOLVE_CONFLICT_FIND_MAP */
|
2001-12-12 00:11:47 +00:00
|
|
|
case R_ARM_GLOB_DAT:
|
|
|
|
case R_ARM_JUMP_SLOT:
|
|
|
|
case R_ARM_ABS32:
|
|
|
|
*reloc_addr = value + reloc->r_addend;
|
|
|
|
break;
|
|
|
|
case R_ARM_PC24:
|
2012-10-05 16:39:23 +00:00
|
|
|
relocate_pc24 (map, value, reloc_addr, reloc->r_addend);
|
2001-12-12 00:11:47 +00:00
|
|
|
break;
|
2011-04-26 21:00:46 +00:00
|
|
|
#if !defined RTLD_BOOTSTRAP
|
* sysdeps/arm/dl-machine.h: Include <tls.h>.
(elf_machine_type_class, elf_machine_rel, elf_machine_rela): Handle
TLS relocations.
* sysdeps/unix/sysv/linux/arm/Makefile: Build __aeabi_read_tp.
* sysdeps/unix/sysv/linux/arm/sysdep.h (INTERNAL_SYSCALL_RAW): Renamed
from INTERNAL_SYSCALL.
(INTERNAL_SYSCALL, INTERNAL_SYSCALL_ARM): New macros.
* sysdeps/arm/dl-tls.h, sysdeps/arm/elf/configure.in,
sysdeps/arm/elf/configure, sysdeps/arm/libc-tls.c,
sysdeps/arm/linuxthreads/tls.h, sysdeps/arm/tls-macros.h,
sysdeps/unix/sysv/linux/arm/aeabi_read_tp.S,
sysdeps/unix/sysv/linux/arm/libc-aeabi_read_tp.S: New files.
2005-10-05 20:15:22 +00:00
|
|
|
case R_ARM_TLS_DTPMOD32:
|
|
|
|
/* Get the information from the link map returned by the
|
|
|
|
resolv function. */
|
|
|
|
if (sym_map != NULL)
|
|
|
|
*reloc_addr = sym_map->l_tls_modid;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case R_ARM_TLS_DTPOFF32:
|
2006-09-21 18:21:19 +00:00
|
|
|
*reloc_addr = (sym == NULL ? 0 : sym->st_value) + reloc->r_addend;
|
* sysdeps/arm/dl-machine.h: Include <tls.h>.
(elf_machine_type_class, elf_machine_rel, elf_machine_rela): Handle
TLS relocations.
* sysdeps/unix/sysv/linux/arm/Makefile: Build __aeabi_read_tp.
* sysdeps/unix/sysv/linux/arm/sysdep.h (INTERNAL_SYSCALL_RAW): Renamed
from INTERNAL_SYSCALL.
(INTERNAL_SYSCALL, INTERNAL_SYSCALL_ARM): New macros.
* sysdeps/arm/dl-tls.h, sysdeps/arm/elf/configure.in,
sysdeps/arm/elf/configure, sysdeps/arm/libc-tls.c,
sysdeps/arm/linuxthreads/tls.h, sysdeps/arm/tls-macros.h,
sysdeps/unix/sysv/linux/arm/aeabi_read_tp.S,
sysdeps/unix/sysv/linux/arm/libc-aeabi_read_tp.S: New files.
2005-10-05 20:15:22 +00:00
|
|
|
break;
|
|
|
|
|
|
|
|
case R_ARM_TLS_TPOFF32:
|
2006-09-21 18:21:19 +00:00
|
|
|
if (sym != NULL)
|
|
|
|
{
|
|
|
|
CHECK_STATIC_TLS (map, sym_map);
|
|
|
|
*reloc_addr = (sym->st_value + sym_map->l_tls_offset
|
|
|
|
+ reloc->r_addend);
|
|
|
|
}
|
* sysdeps/arm/dl-machine.h: Include <tls.h>.
(elf_machine_type_class, elf_machine_rel, elf_machine_rela): Handle
TLS relocations.
* sysdeps/unix/sysv/linux/arm/Makefile: Build __aeabi_read_tp.
* sysdeps/unix/sysv/linux/arm/sysdep.h (INTERNAL_SYSCALL_RAW): Renamed
from INTERNAL_SYSCALL.
(INTERNAL_SYSCALL, INTERNAL_SYSCALL_ARM): New macros.
* sysdeps/arm/dl-tls.h, sysdeps/arm/elf/configure.in,
sysdeps/arm/elf/configure, sysdeps/arm/libc-tls.c,
sysdeps/arm/linuxthreads/tls.h, sysdeps/arm/tls-macros.h,
sysdeps/unix/sysv/linux/arm/aeabi_read_tp.S,
sysdeps/unix/sysv/linux/arm/libc-aeabi_read_tp.S: New files.
2005-10-05 20:15:22 +00:00
|
|
|
break;
|
2011-04-26 21:00:46 +00:00
|
|
|
case R_ARM_IRELATIVE:
|
|
|
|
value = map->l_addr + *reloc_addr;
|
2013-07-02 13:01:21 +00:00
|
|
|
value = ((Elf32_Addr (*) (int)) value) (GLRO(dl_hwcap));
|
2011-04-26 21:00:46 +00:00
|
|
|
*reloc_addr = value;
|
|
|
|
break;
|
* sysdeps/arm/dl-machine.h: Include <tls.h>.
(elf_machine_type_class, elf_machine_rel, elf_machine_rela): Handle
TLS relocations.
* sysdeps/unix/sysv/linux/arm/Makefile: Build __aeabi_read_tp.
* sysdeps/unix/sysv/linux/arm/sysdep.h (INTERNAL_SYSCALL_RAW): Renamed
from INTERNAL_SYSCALL.
(INTERNAL_SYSCALL, INTERNAL_SYSCALL_ARM): New macros.
* sysdeps/arm/dl-tls.h, sysdeps/arm/elf/configure.in,
sysdeps/arm/elf/configure, sysdeps/arm/libc-tls.c,
sysdeps/arm/linuxthreads/tls.h, sysdeps/arm/tls-macros.h,
sysdeps/unix/sysv/linux/arm/aeabi_read_tp.S,
sysdeps/unix/sysv/linux/arm/libc-aeabi_read_tp.S: New files.
2005-10-05 20:15:22 +00:00
|
|
|
#endif
|
2001-12-12 00:11:47 +00:00
|
|
|
default:
|
|
|
|
_dl_reloc_bad_type (map, r_type, 0);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2002-03-01 09:43:36 +00:00
|
|
|
# endif
|
2001-12-12 00:11:47 +00:00
|
|
|
|
2005-03-15 Jakub Jelinek <jakub@redhat.com>
* elf/dynamic-link.h (elf_machine_rel, elf_machine_rel_relative,
elf_machine_rela, elf_machine_rela_relative, elf_machine_lazy_rel):
Add inline keyword.
* sysdeps/alpha/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative, elf_machine_lazy_rel): Add always_inline
attribute.
* sysdeps/sparc/sparc32/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative, elf_machine_lazy_rel): Likewise. Change
static inline into auto inline.
* sysdeps/sparc/sparc64/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative, elf_machine_lazy_rel): Likewise.
* sysdeps/generic/dl-machine.h (elf_machine_rel, elf_machine_rela):
Likewise.
* sysdeps/arm/dl-machine.h (elf_machine_rel, elf_machine_rel_relative,
elf_machine_rela, elf_machine_rela_relative, elf_machine_lazy_rel):
Likewise.
2005-03-15 22:57:26 +00:00
|
|
|
auto inline void
|
|
|
|
__attribute__ ((always_inline))
|
2001-08-24 08:43:21 +00:00
|
|
|
elf_machine_rel_relative (Elf32_Addr l_addr, const Elf32_Rel *reloc,
|
* elf/dynamic-link.h (elf_machine_rel, elf_machine_rela,
elf_machine_rel_relative, elf_machine_rela_relative): Don't assume
reloc_addr is aligned.
* sysdeps/alpha/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/arm/dl-machine.h (elf_machine_rel, elf_machine_rela,
elf_machine_rel_relative, elf_machine_rela_relative): Adjust.
* sysdeps/cris/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/hppa/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/i386/dl-machine.h (elf_machine_rel, elf_machine_rela,
elf_machine_rel_relative, elf_machine_rela_relative): Adjust.
* sysdeps/ia64/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/m68k/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/mips/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/powerpc/powerpc32/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/powerpc/powerpc64/dl-machine.h
(elf_machine_rela_relative, elf_machine_rela): Adjust.
* sysdeps/s390/s390-32/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/s390/s390-64/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative):
* sysdeps/sh/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/sparc/sparc32/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/sparc/sparc64/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/x86_64/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
2003-07-31 06:33:52 +00:00
|
|
|
void *const reloc_addr_arg)
|
2001-08-24 08:43:21 +00:00
|
|
|
{
|
* elf/dynamic-link.h (elf_machine_rel, elf_machine_rela,
elf_machine_rel_relative, elf_machine_rela_relative): Don't assume
reloc_addr is aligned.
* sysdeps/alpha/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/arm/dl-machine.h (elf_machine_rel, elf_machine_rela,
elf_machine_rel_relative, elf_machine_rela_relative): Adjust.
* sysdeps/cris/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/hppa/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/i386/dl-machine.h (elf_machine_rel, elf_machine_rela,
elf_machine_rel_relative, elf_machine_rela_relative): Adjust.
* sysdeps/ia64/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/m68k/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/mips/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/powerpc/powerpc32/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/powerpc/powerpc64/dl-machine.h
(elf_machine_rela_relative, elf_machine_rela): Adjust.
* sysdeps/s390/s390-32/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/s390/s390-64/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative):
* sysdeps/sh/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/sparc/sparc32/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/sparc/sparc64/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/x86_64/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
2003-07-31 06:33:52 +00:00
|
|
|
Elf32_Addr *const reloc_addr = reloc_addr_arg;
|
2001-08-24 08:43:21 +00:00
|
|
|
*reloc_addr += l_addr;
|
|
|
|
}
|
|
|
|
|
2002-03-01 09:43:36 +00:00
|
|
|
# ifndef RTLD_BOOTSTRAP
|
2005-03-15 Jakub Jelinek <jakub@redhat.com>
* elf/dynamic-link.h (elf_machine_rel, elf_machine_rel_relative,
elf_machine_rela, elf_machine_rela_relative, elf_machine_lazy_rel):
Add inline keyword.
* sysdeps/alpha/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative, elf_machine_lazy_rel): Add always_inline
attribute.
* sysdeps/sparc/sparc32/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative, elf_machine_lazy_rel): Likewise. Change
static inline into auto inline.
* sysdeps/sparc/sparc64/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative, elf_machine_lazy_rel): Likewise.
* sysdeps/generic/dl-machine.h (elf_machine_rel, elf_machine_rela):
Likewise.
* sysdeps/arm/dl-machine.h (elf_machine_rel, elf_machine_rel_relative,
elf_machine_rela, elf_machine_rela_relative, elf_machine_lazy_rel):
Likewise.
2005-03-15 22:57:26 +00:00
|
|
|
auto inline void
|
|
|
|
__attribute__ ((always_inline))
|
2001-12-12 00:11:47 +00:00
|
|
|
elf_machine_rela_relative (Elf32_Addr l_addr, const Elf32_Rela *reloc,
|
* elf/dynamic-link.h (elf_machine_rel, elf_machine_rela,
elf_machine_rel_relative, elf_machine_rela_relative): Don't assume
reloc_addr is aligned.
* sysdeps/alpha/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/arm/dl-machine.h (elf_machine_rel, elf_machine_rela,
elf_machine_rel_relative, elf_machine_rela_relative): Adjust.
* sysdeps/cris/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/hppa/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/i386/dl-machine.h (elf_machine_rel, elf_machine_rela,
elf_machine_rel_relative, elf_machine_rela_relative): Adjust.
* sysdeps/ia64/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/m68k/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/mips/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/powerpc/powerpc32/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/powerpc/powerpc64/dl-machine.h
(elf_machine_rela_relative, elf_machine_rela): Adjust.
* sysdeps/s390/s390-32/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/s390/s390-64/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative):
* sysdeps/sh/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/sparc/sparc32/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/sparc/sparc64/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/x86_64/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
2003-07-31 06:33:52 +00:00
|
|
|
void *const reloc_addr_arg)
|
2001-12-12 00:11:47 +00:00
|
|
|
{
|
* elf/dynamic-link.h (elf_machine_rel, elf_machine_rela,
elf_machine_rel_relative, elf_machine_rela_relative): Don't assume
reloc_addr is aligned.
* sysdeps/alpha/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/arm/dl-machine.h (elf_machine_rel, elf_machine_rela,
elf_machine_rel_relative, elf_machine_rela_relative): Adjust.
* sysdeps/cris/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/hppa/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/i386/dl-machine.h (elf_machine_rel, elf_machine_rela,
elf_machine_rel_relative, elf_machine_rela_relative): Adjust.
* sysdeps/ia64/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/m68k/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/mips/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/powerpc/powerpc32/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/powerpc/powerpc64/dl-machine.h
(elf_machine_rela_relative, elf_machine_rela): Adjust.
* sysdeps/s390/s390-32/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/s390/s390-64/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative):
* sysdeps/sh/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/sparc/sparc32/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/sparc/sparc64/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
* sysdeps/x86_64/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative): Adjust.
2003-07-31 06:33:52 +00:00
|
|
|
Elf32_Addr *const reloc_addr = reloc_addr_arg;
|
2001-12-12 00:11:47 +00:00
|
|
|
*reloc_addr = l_addr + reloc->r_addend;
|
|
|
|
}
|
2002-03-01 09:43:36 +00:00
|
|
|
# endif
|
2001-12-12 00:11:47 +00:00
|
|
|
|
2005-03-15 Jakub Jelinek <jakub@redhat.com>
* elf/dynamic-link.h (elf_machine_rel, elf_machine_rel_relative,
elf_machine_rela, elf_machine_rela_relative, elf_machine_lazy_rel):
Add inline keyword.
* sysdeps/alpha/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative, elf_machine_lazy_rel): Add always_inline
attribute.
* sysdeps/sparc/sparc32/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative, elf_machine_lazy_rel): Likewise. Change
static inline into auto inline.
* sysdeps/sparc/sparc64/dl-machine.h (elf_machine_rela,
elf_machine_rela_relative, elf_machine_lazy_rel): Likewise.
* sysdeps/generic/dl-machine.h (elf_machine_rel, elf_machine_rela):
Likewise.
* sysdeps/arm/dl-machine.h (elf_machine_rel, elf_machine_rel_relative,
elf_machine_rela, elf_machine_rela_relative, elf_machine_lazy_rel):
Likewise.
2005-03-15 22:57:26 +00:00
|
|
|
auto inline void
|
|
|
|
__attribute__ ((always_inline))
|
1999-07-21 16:57:52 +00:00
|
|
|
elf_machine_lazy_rel (struct link_map *map,
|
2011-10-05 09:51:41 +00:00
|
|
|
Elf32_Addr l_addr, const Elf32_Rel *reloc,
|
|
|
|
int skip_ifunc)
|
1998-03-18 14:28:36 +00:00
|
|
|
{
|
1998-08-28 22:54:12 +00:00
|
|
|
Elf32_Addr *const reloc_addr = (void *) (l_addr + reloc->r_offset);
|
2001-08-24 08:43:21 +00:00
|
|
|
const unsigned int r_type = ELF32_R_TYPE (reloc->r_info);
|
1998-09-18 09:10:23 +00:00
|
|
|
/* Check for unexpected PLT reloc type. */
|
2001-08-24 08:43:21 +00:00
|
|
|
if (__builtin_expect (r_type == R_ARM_JUMP_SLOT, 1))
|
2001-12-12 00:11:47 +00:00
|
|
|
{
|
|
|
|
if (__builtin_expect (map->l_mach.plt, 0) == 0)
|
|
|
|
*reloc_addr += l_addr;
|
|
|
|
else
|
|
|
|
*reloc_addr = map->l_mach.plt;
|
|
|
|
}
|
2011-03-05 03:39:15 +00:00
|
|
|
else if (__builtin_expect (r_type == R_ARM_TLS_DESC, 1))
|
|
|
|
{
|
|
|
|
struct tlsdesc volatile *td =
|
|
|
|
(struct tlsdesc volatile *)reloc_addr;
|
|
|
|
|
|
|
|
/* The linker must have given us the parameter we need in the
|
2011-10-05 09:51:41 +00:00
|
|
|
first GOT entry, and left the second one empty. We fill the
|
|
|
|
last with the resolver address */
|
2011-03-05 03:39:15 +00:00
|
|
|
assert (td->entry == 0);
|
|
|
|
td->entry = (void*)(D_PTR (map, l_info[ADDRIDX (DT_TLSDESC_PLT)])
|
|
|
|
+ map->l_addr);
|
|
|
|
}
|
1999-07-21 16:57:52 +00:00
|
|
|
else
|
2001-08-24 08:43:21 +00:00
|
|
|
_dl_reloc_bad_type (map, r_type, 1);
|
1998-03-18 14:28:36 +00:00
|
|
|
}
|
|
|
|
|
2005-06-10 11:33:52 +00:00
|
|
|
#endif /* RESOLVE_MAP */
|