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60c8f1f60b
glibc/sysdeps/arm
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Julian Brown 60c8f1f60b ARM: Fix R_ARM_IRELATIVE RELA relocations. 
This patch fixes what I believe to be a bug in the handling of
R_ARM_IRELATIVE RELA relocations. At present, these are handled the
same as REL relocations: i.e. the addend is loaded from the relocation
address. Most of the time this isn't a problem because RELA relocations
aren't used on ARM (GNU/Linux at least) anyway, but it causes problems
with prelink, which uses RELA on all targets for its conflict table.
(Support for ifunc prelinking requires a prelink patch, not yet posted.)

Anyway, this patch works, though I'm not 100% sure if it is correct: I
notice that this code path received attention last year:

https://sourceware.org/ml/libc-ports/2013-07/msg00000.html

I'm not sure under what circumstances that patch would have had an
effect, nor if my patch conflicts with that case.

No regressions using Mentor's usual glibc cross-testing infrastructure.

	[BZ #16888]
	* sysdeps/arm/dl-machine.h (elf_machine_rela): Fix R_ARM_IRELATIVE
	handling.
2014-04-30 16:17:59 +00:00
..
armv6 Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
armv6t2 Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
armv7 Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
bits Fix -Wundef warnins for __FP_FAST_FMA* 2014-03-21 17:28:43 +05:30
include/bits ARM: Add SystemTap probes to longjmp and setjmp. 2014-02-25 10:07:04 +00:00
nptl Compile with -Wundef. 2014-03-14 11:32:51 -07:00
soft-fp Fix ARM NAN fraction bits. 2014-02-27 17:44:43 +00:00
sys Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
__longjmp.S ARM: Fix up setjmp/longjmp changes sfi_* macro use. 2014-03-11 10:59:01 -07:00
abi-note.S Fix whitespace in ARM files to allow move. 2014-02-08 01:52:38 +00:00
add_n.S Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
addmul_1.S Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
aeabi_assert.c Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
aeabi_atexit.c Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
aeabi_errno_addr.c Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
aeabi_lcsts.c Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
aeabi_localeconv.c Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
aeabi_math.c Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
aeabi_mb_cur_max.c Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
aeabi_memclr.c Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
aeabi_memcpy.c Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
aeabi_memmove.c Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
aeabi_memset.c Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
aeabi_sighandlers.S Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
aeabi_unwind_cpp_pr1.c Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
arm-features.h Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
arm-mcount.S Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
backtrace.c Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
bsd-_setjmp.S Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
bsd-setjmp.S Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
configure Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
configure.ac Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
crti.S Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
crtn.S Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
dl-irel.h Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
dl-lookupcfg.h Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
dl-machine.h ARM: Fix R_ARM_IRELATIVE RELA relocations. 2014-04-30 16:17:59 +00:00
dl-sysdep.h Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
dl-tls.h Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
dl-tlsdesc.h Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
dl-tlsdesc.S Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
dl-trampoline.S Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
fclrexcpt.c Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
fedisblxcpt.c Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
feenablxcpt.c Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
fegetenv.c Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
fegetexcept.c Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
fegetround.c Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
feholdexcpt.c Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
fenv_private.h [ARM] Add support for fenv_private on ARM. 2014-04-28 10:53:04 +01:00
fesetenv.c Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
fesetround.c Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
feupdateenv.c Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
fgetexcptflg.c Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
find_exidx.c Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
fpu_control.h [ARM] Add support for fenv_private on ARM. 2014-04-28 10:53:04 +01:00
fraiseexcpt.c Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
frame.h Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
framestate.c Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
fsetexcptflg.c Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
ftestexcept.c Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
gcc-compat.h Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
gccframe.h Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
get-rounding-mode.h Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
gmp-mparam.h Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
Implies Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
jmpbuf-unwind.h Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
ldsodefs.h Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
libc-tls.c Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
libm-test-ulps Don't include individual test ulps in libm-test-ulps. 2014-03-05 15:02:38 +00:00
machine-gmon.h Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
Makefile Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
math_private.h [ARM] Add support for fenv_private on ARM. 2014-04-28 10:53:04 +01:00
math-tests.h Add fenv test support for targets which don't have FP traps. 2014-04-17 09:39:27 +01:00
memcpy.S Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
memmove.S Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
memset.S Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
memusage.h Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
preconfigure Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
preconfigure.ac Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
rtld-global-offsets.sym Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
s_fma.c Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
s_fmaf.c Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
setfpucw.c Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
setjmp.S ARM: Fix up setjmp/longjmp changes sfi_* macro use. 2014-03-11 10:59:01 -07:00
shlib-versions Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
sotruss-lib.c Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
stackinfo.h Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
start.S Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
static-stubs.c Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
strlen.S Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
sub_n.S Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
submul_1.S Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
sysdep.h Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
test-fpucw.c Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
tls-macros.h Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
tlsdesc.c Factor mmap/munmap of PT_LOAD segments out of _dl_map_object_from_fd et al. 2014-04-03 10:47:14 -07:00
tlsdesc.sym Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
tst-audit.h Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
unwind-dw2-fde-glibc.c Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
unwind-pe.c Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
Versions Move arm from ports to libc. 2014-02-08 01:49:39 +00:00