| Commit message (Collapse) | Author | Age | Files | Lines |
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Clang inline-asm parser does not allow using "$r0" in
movfcsr2gr/movgr2fcsr, so everything using _FPU_{GET,SET}CW is now
failing to build with Clang on LoongArch. As we now requires Binutils
>= 2.41 which supports using "$fcsr0" here, use it instead of "$r0" to
fix the issue.
Link: https://github.com/loongson-community/discussions/issues/53#issuecomment-2081507390
Link: https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=4142b2368353
Signed-off-by: Xi Ruoyao <xry111@xry111.site>
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A space is added before the left bracket of the x86_64 elf_machine_rela
function, in order to harmonize with the rest of the implementation of
the function and to make it easier to retrieve the function. The lines
where the function definition is located has been re-indented, as well
as its left curly bracket placed in the correct position.
Signed-off-by: Xin Wang <yw987194828@gmail.com>
Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
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This patch disables Intel Xeon Phi tests for GCC 15 and above.
GCC 15 removed Intel Xeon Phi ISA support.
commit e1a7e2c54d52d0ba374735e285b617af44841ace
Author: Haochen Jiang <haochen.jiang@intel.com>
Date: Mon May 20 10:43:44 2024 +0800
i386: Remove Xeon Phi ISA support
Fixes BZ 31782.
Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
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pidfd_getpid.c has
/* Ignore invalid large values. */
if (INT_MULTIPLY_WRAPV (10, n, &n)
|| INT_ADD_WRAPV (n, *l++ - '0', &n))
return -1;
For GCC older than GCC 7, INT_ADD_WRAPV(a, b, r) is defined as
_GL_INT_OP_WRAPV (a, b, r, +, _GL_INT_ADD_RANGE_OVERFLOW)
and *l++ - '0' is evaluated twice. Fix BZ #31798 by moving "l++" out of
the if statement. Tested with GCC 6.4 and GCC 14.1.
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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Put each item on a separate line and sort libnldbl-calls.
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
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Remove $(objpfx)test-nldbl-redirect-static checked in by accident.
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
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Put each test on a separate line and sort tests.
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
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Needed due to:
"Implement C23 log2p1"
commit ID 79c52daf4740b00bef43e4f5a4281b3480459b38
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This patch updates the kernel version in the tests tst-mman-consts.py
and tst-mount-consts.py to 6.9. (There are no new constants covered
by these tests in 6.9 that need any other header changes;
tst-pidfd-consts.py was updated separately along with adding new
constants relevant to that test.)
Tested with build-many-glibcs.py.
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The libc.a for alpha, s390, and sparcv9 does not provide
copysignf64x, copysignf128, frexpf64x, frexpf128, modff64x, and
modff128.
Checked with a static build for the affected ABIs.
Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
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The function that work with 'struct utmp32' and 'struct utmpx32'
are only for compat symbols.
Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
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microblaze does not export it in libc.so nor the kernel provides the
cacheflush syscall.
Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
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Both the generic and POWER6 versions provide definitions of the
symbol, which are already provided by the ifunc resolver.
Checked on powerpc-linux-gnu-power4.
Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
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For powerpc64 the generic version provides a weak definition of
strchrnul, which are already provided by the ifunc resolver. The
powerpc32 version is slight different, where for static case there
is no iFUNC support.
The strncasecmp_l is provided ifunc resolver.
Checked on powerpc-linux-gnu-power4 and powerpc64-linux-gnu.
Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
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The generic version provides weak definitions of strnlen,
which are already provided by the ifunc resolver.
Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
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The generic version provides weak definitions of memchr/strlen,
which are already provided by the ifunc resolvers.
Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
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Linux 6.9 adds some more PIDFD_* constants. Add them to glibc's
sys/pidfd.h, including updating comments that said FLAGS was reserved
and must be 0, along with updating tst-pidfd-consts.py.
Tested with build-many-glibcs.py.
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Don't provide __nexttowardf128_do_not_use, nexttowardf128_do_not_use,
finitef128_do_not_use, isinff128_do_not_use and isnanf128_do_not_use.
This fixes BZ #31757.
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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Some static implementation of float128 routines might call __isnanf128,
which is not provided by the static object.
Checked on x86_64-linux-gnu.
Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
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The commit 08ddd26814 removed the static exp10 on i386 and m68k with an
empty w_exp10.c (required for the ABIs that uses the newly
implementation). This patch fixes by adding the required symbols on the
arch-specific w_exp{f}_compat.c implementation.
Checked on i686-linux-gnu and with a build for m68k-linux-gnu.
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
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The commit 16439f419b removed the static fmod/fmodf on i386 and m68k
with and empty w_fmod.c (required for the ABIs that uses the newly
implementation). This patch fixes by adding the required symbols on
the arch-specific w_fmod{f}_compat.c implementation.
To statically build fmod fails on some ABI (alpha, s390, sparc) because
it does not export the ldexpf128, this is also fixed by this patch.
Checked on i686-linux-gnu and with a build for m68k-linux-gnu.
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Tested-by: Aurelien Jarno <aurelien@aurel32.net>
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clone3 isn't exported from glibc and is hidden in libc.so. Fix BZ #31770
by removing clone3 alias.
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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Plus a small amount of moving includes around in order to be able to
remove duplicate definition of asuint64.
Reviewed-by: Szabolcs Nagy <szabolcs.nagy@arm.com>
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For the log2p1 implementation.
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Add -mno-lsx to tst-gnu2-tlsmod*.c if gcc support -mno-lsx.
Add escape character '\' in vector support test function.
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Fix BZ #31768 by not defining stpncpy alias when used in IFUNC.
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
Reviewed-by: Sunil K Pandey <skpgkp2@gmail.com>
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For the log2p1 implementation.
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For the log2p1 implementation.
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For the log2p1 implementation.
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C23 adds various <math.h> function families originally defined in TS
18661-4. Add the log2p1 functions (log2(1+x): like log1p, but for
base-2 logarithms).
This illustrates the intended structure of implementations of all
these function families: define them initially with a type-generic
template implementation. If someone wishes to add type-specific
implementations, it is likely such implementations can be both faster
and more accurate than the type-generic one and can then override it
for types for which they are implemented (adding benchmarks would be
desirable in such cases to demonstrate that a new implementation is
indeed faster).
The test inputs are copied from those for log1p. Note that these
changes make gen-auto-libm-tests depend on MPFR 4.2 (or later).
The bulk of the changes are fairly generic for any such new function.
(sysdeps/powerpc/nofpu/Makefile only needs changing for those
type-generic templates that use fabs.)
Tested for x86_64 and x86, and with build-many-glibcs.py.
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Linux 6.9 has no new syscalls. Update the version number in
syscall-names.list to reflect that it is still current for 6.9.
Tested with build-many-glibcs.py.
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Fix BZ #31755 by renaming the internal function procutils_read_file to
__libc_procutils_read_file.
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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Fix BZ #31759 by not defining nearbyint aliases when used in IFUNC.
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
Reviewed-by: Noah Goldstein <goldstein.w.n@gmail.com>
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This supports common coding patterns. The GCC C front end before
version 7 rejects the may_alias attribute on a struct definition
if it was not present in a previous forward declaration, so this
attribute can only be conditionally applied.
This implements the spirit of the change in Austin Group issue 1641.
Suggested-by: Marek Polacek <polacek@redhat.com>
Suggested-by: Jakub Jelinek <jakub@redhat.com>
Reviewed-by: Sam James <sam@gentoo.org>
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
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#31629]
This patch ensures that $libc_cv_cc_submachine, which is set from
"--with-cpu", overrides $CFLAGS for configure time tests.
Suggested-by: Peter Bergner <bergner@linux.ibm.com>
Reviewed-by: Peter Bergner <bergner@linux.ibm.com>
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Reviewed-by: Szabolcs Nagy <szabolcs.nagy@arm.com>
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Reviewed-by: Szabolcs Nagy <szabolcs.nagy@arm.com>
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This is mostly based on AArch64 and RISC-V implementation.
Add R_LARCH_TLS_DESC32 and R_LARCH_TLS_DESC64 relocations.
For _dl_tlsdesc_dynamic function slow path, temporarily save and restore
all vector registers.
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Previously many routines used * to load from vector types stored
in the data table. This is emitted as ldr, which byte-swaps the
entire vector register, and causes bugs for big-endian when not
all lanes contain the same value. When a vector is to be used
this way, it has been replaced with an array and the load with an
explicit ld1 intrinsic, which byte-swaps only within lanes.
As well, many routines previously used non-standard GCC syntax
for vector operations such as indexing into vectors types with []
and assembling vectors using {}. This syntax should not be mixed
with ACLE, as the former does not respect endianness whereas the
latter does. Such examples have been replaced with, for instance,
vcombine_* and vgetq_lane* intrinsics. Helpers which only use the
GCC syntax, such as the v_call helpers, do not need changing as
they do not use intrinsics.
Reviewed-by: Szabolcs Nagy <szabolcs.nagy@arm.com>
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The e68b1151f7460d5fa88c3a567c13f66052da79a7 commit changed the
__fesetround_inline_nocheck implementation to use mffscrni
(through __fe_mffscrn) instead of mtfsfi. For generic powerpc
ceil/floor/trunc, the function is supposed to disable the
floating-point inexact exception enable bit, however mffscrni
does not change any exception enable bits.
This patch fixes by reverting the optimization for the
__fesetround_inline_nocheck.
Checked on powerpc-linux-gnu.
Reviewed-by: Paul E. Murphy <murphyp@linux.ibm.com>
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This code expects the WCSCAT preprocessor macro to be predefined in case
the evex implementation of the function should be defined with a name
different from __wcsncat_evex. However, when glibc is built for
x86-64-v4 without multiarch support, sysdeps/x86_64/wcsncat.S defines
WCSNCAT variable instead of WCSCAT to build it as wcsncat. Rename the
variable to WCSNCAT, as it is actually a better naming choice for the
variable in this case.
Reported-by: Kenton Groombridge
Link: https://bugs.gentoo.org/921945
Fixes: 64b8b6516b ("x86: Add evex optimized functions for the wchar_t strcpy family")
Signed-off-by: Gabi Falk <gabifalk@gmx.com>
Reviewed-by: Sunil K Pandey <skpgkp2@gmail.com>
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So tests can specify a list of environment variables.
Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
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The 680c597e9c3 commit made loader reject ill-formatted strings by
first tracking all set tunables and then applying them. However, it does
not take into consideration if the same tunable is set multiple times,
where parse_tunables_string appends the found tunable without checking
if it was already in the list. It leads to a stack-based buffer overflow
if the tunable is specified more than the total number of tunables. For
instance:
GLIBC_TUNABLES=glibc.malloc.check=2:... (repeat over the number of
total support for different tunable).
Instead, use the index of the tunable list to get the expected tunable
entry. Since now the initial list is zero-initialized, the compiler
might emit an extra memset and this requires some minor adjustment
on some ports.
Checked on x86_64-linux-gnu and aarch64-linux-gnu.
Reported-by: Yuto Maeda <maeda@cyberdefense.jp>
Reported-by: Yutaro Shimizu <shimizu@cyberdefense.jp>
Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
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Starting from glibc 2.1, crt1.o contains _IO_stdin_used which is checked
by _IO_check_libio to provide binary compatibility for glibc 2.0. Add
crt1-2.0.o for tests against glibc 2.0. Define tests-2.0 for glibc 2.0
compatibility tests. Add and update glibc 2.0 compatibility tests for
stderr, matherr and pthread_kill.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
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This patch is based on __strcmp_power10.
Improvements from __strncmp_power9:
1. Uses new POWER10 instructions
- This code uses lxvp to decrease contention on load
by loading 32 bytes per instruction.
2. Performance implication
- This version has around 38% better performance on average.
- Minor performance regression is seen for few small sizes
and specific combination of alignments.
Signed-off-by: Amrita H S <amritahs@linux.ibm.com>
Reviewed-by: Peter Bergner <bergner@linux.ibm.com>
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This patch adds hardware floating point support to OpenRISC. Hardware
floating point toolchain builds are enabled by passing the machine
specific argument -mhard-float to gcc via CFLAGS. With this enabled GCC
generates floating point instructions for single-precision operations
and exports __or1k_hard_float__.
There are 2 main parts to this patch.
- Implement fenv functions to update the FPCSR flags keeping it in sync
with sfp (software floating point).
- Update machine context functions to store and restore the FPCSR
state.
*On mcontext_t ABI*
This patch adds __fpcsr to mcontext_t. This is an ABI change, but also
an ABI fix. The Linux kernel has always defined padding in mcontext_t
that space was missing from the glibc ABI. In Linux this unused space
has now been re-purposed for storing the FPCSR. This patch brings
OpenRISC glibc in line with the Linux kernel and other libc
implementation (musl).
Compatibility getcontext, setcontext, etc symbols have been added to
allow for binaries expecting the old ABI to continue to work.
*Hard float ABI*
The calling conventions and types do not change with OpenRISC hard-float
so glibc hard-float builds continue to use dynamic linker
/lib/ld-linux-or1k.so.1.
*Testing*
I have tested this patch both with hard-float and soft-float builds and
the test results look fine to me. Results are as follows:
Hard Float
# failures
FAIL: elf/tst-sprof-basic (Haven't figured out yet, not related to hard-float)
FAIL: gmon/tst-gmon-pie (PIE bug in or1k toolchain)
FAIL: gmon/tst-gmon-pie-gprof (PIE bug in or1k toolchain)
FAIL: iconvdata/iconv-test (timeout, passed when run manually)
FAIL: nptl/tst-cond24 (Timeout)
FAIL: nptl/tst-mutex10 (Timeout)
# summary
6 FAIL
4289 PASS
86 UNSUPPORTED
16 XFAIL
2 XPASS
# versions
Toolchain: or1k-smhfpu-linux-gnu
Compiler: gcc version 14.0.1 20240324 (experimental) [master r14-9649-gbb04a11418f] (GCC)
Binutils: GNU assembler version 2.42.0 (or1k-smhfpu-linux-gnu) using BFD version (GNU Binutils) 2.42.0.20240324
Linux: Linux buildroot 6.9.0-rc1-00008-g4dc70e1aadfa #112 SMP Sat Apr 27 06:43:11 BST 2024 openrisc GNU/Linux
Tester: shorne
Glibc: 2024-04-25 b62928f907 Florian Weimer x86: In ld.so, diagnose missing APX support in APX-only builds (origin/master, origin/HEAD)
Soft Float
# failures
FAIL: elf/tst-sprof-basic
FAIL: gmon/tst-gmon-pie
FAIL: gmon/tst-gmon-pie-gprof
FAIL: nptl/tst-cond24
FAIL: nptl/tst-mutex10
# summary
5 FAIL
4295 PASS
81 UNSUPPORTED
16 XFAIL
2 XPASS
# versions
Toolchain: or1k-smh-linux-gnu
Compiler: gcc version 14.0.1 20240324 (experimental) [master r14-9649-gbb04a11418f] (GCC)
Binutils: GNU assembler version 2.42.0 (or1k-smh-linux-gnu) using BFD version (GNU Binutils) 2.42.0.20240324
Linux: Linux buildroot 6.9.0-rc1-00008-g4dc70e1aadfa #112 SMP Sat Apr 27 06:43:11 BST 2024 openrisc GNU/Linux
Tester: shorne
Glibc: 2024-04-25 b62928f907 Florian Weimer x86: In ld.so, diagnose missing APX support in APX-only builds (origin/master, origin/HEAD)
Documentation: https://raw.githubusercontent.com/openrisc/doc/master/openrisc-arch-1.4-rev0.pdf
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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This patch adds the ulps test file to prepare for the upcoming
hard float patch. This is separated out to make the hard float patch
smaller.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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Commit c73c96a4a1af1326df7f96eec58209e1e04066d8 updated memcpy.S and
mempcpy.S, but omitted memmove.S and memset.S. As a result, the static
library built as PIC, whether with or without multiarch support,
contains two definitions for each of the __memmove_chk and __memset_chk
symbols.
/usr/lib/gcc/i686-pc-linux-gnu/14/../../../../i686-pc-linux-gnu/bin/ld: /usr/lib/gcc/i686-pc-linux-gnu/14/../../../../lib/libc.a(memset-ia32.o): in function `__memset_chk':
/var/tmp/portage/sys-libs/glibc-2.39-r3/work/glibc-2.39/string/../sysdeps/i386/i686/memset.S:32: multiple definition of `__memset_chk'; /usr/lib/gcc/i686-pc-linux-gnu/14/../../../../lib/libc.a(memset_chk.o):/var/tmp/portage/sys-libs/glibc-2.39-r3/work/glibc-2.39/debug/../sysdeps/i386/i686/multiarch/memset_chk.c:24: first defined here
After this change, regardless of PIC options, the static library, built
for i686 with multiarch contains implementations of these functions
respectively from debug/memmove_chk.c and debug/memset_chk.c, and
without multiarch contains implementations of these functions
respectively from sysdeps/i386/memmove_chk.S and
sysdeps/i386/memset_chk.S. This ensures that memmove and memset won't
pull in __chk_fail and the routines it calls.
Reported-by: Sam James <sam@gentoo.org>
Tested-by: Sam James <sam@gentoo.org>
Fixes: c73c96a4a1 ("i686: Fix build with --disable-multiarch")
Signed-off-by: Gabi Falk <gabifalk@gmx.com>
Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
Reviewed-by: Dmitry V. Levin <ldv@altlinux.org>
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/home/bmg/install/compilers/x86_64-linux-gnu/lib/gcc/x86_64-glibc-linux-gnu/13.2.1/../../../../x86_64-glibc-linux-gnu/bin/ld: /home/bmg/build/glibcs/i586-linux-gnu/glibc/libc.a(memcpy_chk.o): in function `__memcpy_chk':
/home/bmg/src/glibc/debug/../sysdeps/i386/memcpy_chk.S:29: multiple definition of `__memcpy_chk';/home/bmg/build/glibcs/i586-linux-gnu/glibc/libc.a(memcpy.o):/home/bmg/src/glibc/string/../sysdeps/i386/i586/memcpy.S:31: first defined here /home/bmg/install/compilers/x86_64-linux-gnu/lib/gcc/x86_64-glibc-linux-gnu/13.2.1/../../../../x86_64-glibc-linux-gnu/bin/ld: /home/bmg/build/glibcs/i586-linux-gnu/glibc/libc.a(mempcpy_chk.o): in function `__mempcpy_chk': /home/bmg/src/glibc/debug/../sysdeps/i386/mempcpy_chk.S:28: multiple definition of `__mempcpy_chk'; /home/bmg/build/glibcs/i586-linux-gnu/glibc/libc.a(mempcpy.o):/home/bmg/src/glibc/string/../sysdeps/i386/i586/memcpy.S:31: first defined here
After this change, the static library built for i586, regardless of PIC
options, contains implementations of these functions respectively from
sysdeps/i386/memcpy_chk.S and sysdeps/i386/mempcpy_chk.S. This ensures
that memcpy and mempcpy won't pull in __chk_fail and the routines it
calls.
Reported-by: Florian Weimer <fweimer@redhat.com>
Signed-off-by: Gabi Falk <gabifalk@gmx.com>
Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
Reviewed-by: Dmitry V. Levin <ldv@altlinux.org>
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The FSF's Licensing and Compliance Lab noted a discrepancy in the
licensing of several files in the glibc package.
When timespect_get.c was impelemented the license did not include
the standard ", or (at your option) any later version." text.
Change the license in timespec_get.c and all copied files to match
the expected license.
This change was previously approved in principle by the FSF in
RT ticket #1316403. And a similar instance was fixed in
commit 46703efa02f6ddebce5ee54c92f7c32598de0de6.
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