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glibc/ports/sysdeps/arm
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Will Newton 2f10c4d690 ARM: Don't apply pointer encryption to the frame pointer 
The frame pointer register is rarely used for that purpose on ARM and
applications that look at the contents of the jmp_buf may be relying
on reading an unencrypted value. For example, Ruby uses the contents
of jmp_buf to find the root set for garbage collection so relies on
this pointer value being unencrypted. Without this patch the Ruby
testsuite fails with a segmentation fault.

ports/ChangeLog.arm:

2013-01-14  Will Newton  <will.newton@linaro.org>

	* sysdeps/arm/__longjmp.S: Don't apply pointer encryption
	to fp register.
	* sysdeps/arm/setjmp.S: Likewise.
	* sysdeps/arm/include/bits/setjmp.h (JMP_BUF_REGLIST): Add
	fp to register list, remove a4.
	* sysdeps/unix/sysv/linux/arm/sysdep.h (PTR_MANGLE_LOAD):
	New macro.
2014-01-14 14:02:34 +00:00
..
armv6 Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
armv6t2 Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
armv7 Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
bits Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
include/bits ARM: Don't apply pointer encryption to the frame pointer 2014-01-14 14:02:34 +00:00
nptl Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
soft-fp Make soft-float ARM use soft-fp fma/fmaf. 2013-07-02 19:51:19 +00:00
sys Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
__longjmp.S ARM: Don't apply pointer encryption to the frame pointer 2014-01-14 14:02:34 +00:00
abi-note.S Move all files into ports/ subdirectory in preparation for merge with glibc 2012-07-01 13:06:41 +00:00
add_n.S Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
addmul_1.S Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
aeabi_assert.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
aeabi_atexit.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
aeabi_errno_addr.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
aeabi_lcsts.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
aeabi_localeconv.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
aeabi_math.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
aeabi_mb_cur_max.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
aeabi_memclr.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
aeabi_memcpy.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
aeabi_memmove.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
aeabi_memset.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
aeabi_sighandlers.S Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
aeabi_unwind_cpp_pr1.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
arm-features.h Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
arm-mcount.S ARM: Disable compat mcount code when unneeded. 2014-01-10 13:32:35 -08:00
backtrace.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
bsd-_setjmp.S Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
bsd-setjmp.S Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
configure rename configure.in to configure.ac 2013-10-30 17:32:08 +10:00
configure.ac rename configure.in to configure.ac 2013-10-30 17:32:08 +10:00
crti.S Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
crtn.S Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
dl-irel.h Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
dl-lookupcfg.h Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
dl-machine.h Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
dl-sysdep.h Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
dl-tls.h Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
dl-tlsdesc.h Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
dl-tlsdesc.S Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
dl-trampoline.S Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
fclrexcpt.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
fedisblxcpt.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
feenablxcpt.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
fegetenv.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
fegetexcept.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
fegetround.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
feholdexcpt.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
fesetenv.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
fesetround.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
feupdateenv.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
fgetexcptflg.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
find_exidx.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
fpu_control.h Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
fraiseexcpt.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
frame.h Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
framestate.c Move all files into ports/ subdirectory in preparation for merge with glibc 2012-07-01 13:06:41 +00:00
fsetexcptflg.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
ftestexcept.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
gcc-compat.h ARM: Disable compat mcount code when unneeded. 2014-01-10 13:32:35 -08:00
gccframe.h Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
get-rounding-mode.h Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
gmp-mparam.h Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
Implies Make soft-float ARM use soft-fp fma/fmaf. 2013-07-02 19:51:19 +00:00
jmpbuf-unwind.h Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
ldsodefs.h Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
libc-tls.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
libm-test-ulps Regenerate ARM ulps. 2014-01-01 16:46:17 +00:00
machine-gmon.h Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
Makefile Link extra-libs consistently with libc and ld.so. 2013-05-31 16:16:33 +00:00
math-tests.h Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
memcpy.S Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
memmove.S Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
memset.S Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
memusage.h Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
preconfigure rename configure.in to configure.ac 2013-10-30 17:32:08 +10:00
preconfigure.ac rename configure.in to configure.ac 2013-10-30 17:32:08 +10:00
rtld-global-offsets.sym Move all files into ports/ subdirectory in preparation for merge with glibc 2012-07-01 13:06:41 +00:00
s_fma.c Make soft-float ARM use soft-fp fma/fmaf. 2013-07-02 19:51:19 +00:00
s_fmaf.c Make soft-float ARM use soft-fp fma/fmaf. 2013-07-02 19:51:19 +00:00
setfpucw.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
setjmp.S ARM: Don't apply pointer encryption to the frame pointer 2014-01-14 14:02:34 +00:00
shlib-versions Move all files into ports/ subdirectory in preparation for merge with glibc 2012-07-01 13:06:41 +00:00
sotruss-lib.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
stackinfo.h Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
start.S Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
static-stubs.c Add ARM-specific static-stubs.c. 2012-07-05 22:16:03 +00:00
strlen.S Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
sub_n.S arm: Add optimized add_n and sub_n 2013-03-06 07:47:26 -08:00
submul_1.S Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
sysdep.h Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
test-fpucw.c Wrap test-fpucw.c for ARM. 2013-06-18 00:30:44 +00:00
tls-macros.h Move all files into ports/ subdirectory in preparation for merge with glibc 2012-07-01 13:06:41 +00:00
tlsdesc.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
tlsdesc.sym Move all files into ports/ subdirectory in preparation for merge with glibc 2012-07-01 13:06:41 +00:00
tst-audit.h Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
unwind-dw2-fde-glibc.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
unwind-pe.c Move all files into ports/ subdirectory in preparation for merge with glibc 2012-07-01 13:06:41 +00:00
Versions Move all files into ports/ subdirectory in preparation for merge with glibc 2012-07-01 13:06:41 +00:00