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This also highlights that we'd been loading 64-bits instead of
the proper 32-bits. Caught by the linker as a relocation error,
since the variable happened to be unaligned for 64-bits.
Cherry-pick of a6b3657be6bc5067aeec98d990f60765361c6557.
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This reverts commit 79b846ecc0275ceb02b5e2d3b03a34d7c43e6bf9.
Conflicts:
NEWS
ports/ChangeLog.microblaze
Signed-off-by: David Holsgrove <david.holsgrove@xilinx.com>
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Update libm-test-ulps for microblaze, and remove unneeded copy
libm-test-ulps_new.
ports/ChangeLog.microblaze
2014-02-04 David Holsgrove <david.holsgrove@xilinx.com>
* sysdeps/microblaze/libm-test-ulps: Update.
* sysdeps/microblaze/libm-test-ulps_new: Deleted redundant file.
Signed-off-by: David Holsgrove <david.holsgrove@xilinx.com>
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Define MMAP2_PAGE_SHIFT to -1 for microblaze so the correct shift
for the syscall is determined dynamically using getpagesize
ports/ChangeLog.microblaze
2014-02-04 David Holsgrove <david.holsgrove@xilinx.com>
* sysdeps/unix/sysv/linux/microblaze/mmap64.c: New file.
Signed-off-by: David Holsgrove <david.holsgrove@xilinx.com>
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Delete redundant fegetround.c and fesetround.c for microblaze
and use the fallback functions instead.
ports/ChangeLog.microblaze
2014-02-04 David Holsgrove <david.holsgrove@xilinx.com>
* sysdeps/microblaze/fegetround.c: Delete redundant file.
* sysdeps/microblaze/fesetround.c: Likewise.
Signed-off-by: David Holsgrove <david.holsgrove@xilinx.com>
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Regenerate libm-test-ulps from scratch.
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Re-generate libm-test-ulps from scratch.
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Reported to the gcc bugzilla, there was a missing dependency on $gp
that let the compiler generated $gp reload be scheduled across the
macros here.
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ARMv4 does not have the blx instruction, so use the BLX macro which
handles abstracting this for us.
Build tested for armv7, armv4t and armv4.
ports/ChangeLog.arm:
2014-01-24 Will Newton <will.newton@linaro.org>
[BZ #16499]
* sysdeps/unix/sysv/linux/arm/clone.S: Use BLX macro instead
of blx instruction directly.
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[BZ #16169] Add CFI directives to the AArch64 clone.S implementation
and ensure that the FP in the child is zero'd in order to comply with
AAPCS.
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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.
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Examining MIPS test results showed an ABI test failure that I must
have missed in 2.18 testing: hard-float and soft-float o32 no longer
have the same set of symbols (because of the __mips_fpu_getcw and
__mips_fpu_setcw functions, present for hard-float only, used by
fpu_control.h for hard-float MIPS16) and so need separate ABI test
baselines (they always were ABI-incompatible - the function-calling
interface is different - but previously had the same set of symbols
and versions so didn't need separate baselines).
Tested for hard-float and soft-float o32.
* sysdeps/unix/sysv/linux/mips/mips32/nptl/libc.abilist: Move to
....
* sysdeps/unix/sysv/linux/mips/mips32/fpu/nptl/libc.abilist:
... here.
* sysdeps/unix/sysv/linux/mips/mips32/nofpu/nptl/libc.abilist: New
file.
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[BZ #16387] Fix FP_ROUNDMODE to extract the correct bits from FPCR.
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Truncate the file first so as to delete old entries and to lower ULPs
for tests that have improved.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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We don't want to record these test results as a good thing.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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This addresses a long standing collision between userspace headers and
kernel headers only on ia64 systems. All other types have a __ prefix
in the ptrace headers except these two. Let's finally namespace these.
Verified that at least strace still builds after this change, as well
as after deleting all the struct hacks it has specifically for ia64.
URL: https://sourceware.org/bugzilla/show_bug.cgi?id=762
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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All the other ptrace structures in this file have a __ prefix except this
new one. This in turn causes build problems for most packages that try to
use ptrace such as strace:
gcc -DHAVE_CONFIG_H -I. -I../.. -I../../linux/x86_64 -I../../linux \
-I./linux -Wall -Wwrite-strings -g -O2 -MT process.o -MD -MP \
-MF .deps/process.Tpo -c -o process.o ../../process.c
In file included from ../../process.c:63:0:
/usr/include/linux/ptrace.h:58:8: error: redefinition of 'struct ptrace_peeksiginfo_args'
struct ptrace_peeksiginfo_args {
^
In file included from ../../defs.h:159:0,
from ../../process.c:37:
/usr/include/sys/ptrace.h:191:8: note: originally defined here
struct ptrace_peeksiginfo_args
^
Since this struct was introduced in glibc-2.18, there shouldn't be any
real regressions with adding the __ prefix.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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The recent commit 7f507ee17aee720fa423fa38502bc3caa0dd03d7 added a new
local variable "offset" to tls_get_addr_tail. This conflicts with the
ia64 code which also declares an offset code inline in this func. So
have the ia64 code rename its local vars with a prefix that shouldn't
collide with anything else in the future.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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The sp check has to be moved up to the start of the func since it now
makes a system call and that'll clobber a lot of registers.
URL: https://sourceware.org/bugzilla/show_bug.cgi?id=16372
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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The new tst-setjmp-fp test has been failing on IA64 because the setjmp
and longjmp helpers take care of saving/restoring the fpsr register.
Per the C standards, this is incorrect, so disable that logic.
URL: https://sourceware.org/bugzilla/show_bug.cgi?id=16379
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Rather than opencode the __GI_xxx logic, use proper hidden helpers.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Used the s390 code as a guideline until all tests pass.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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This file has a few #if 0 code paths which cause a build time warning:
ports/sysdeps/unix/sysv/linux/ia64/ioperm.c:66:7: warning:
variable 'prot' set but not used [-Wunused-but-set-variable]
Rather than add more #if 0 around that variable, just delete the code
altogether. Not like it's going to ever be implemented.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Tested with:
$ cat test.c
main(){close(0x1024, 2, 3);}
$ gcc test.c
$ sotruss -e ./a.out
a.out -> libc.so.6.1 : __libc_start_main(0x4000000000000950, 0x1, 0x60000fffffb56bc8)
a.out -> libc.so.6.1 : close(0x1024, 0x2, 0x3)
a.out -> libc.so.6.1 : close - 0xffffffffffffffff
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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[BZ #15128] Ensure all argument passing registers are saved and
restored on entry to dynamic linker.
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