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Some C90 libm functions call fegetenv via libc_feholdsetround*
functions in math_private.h. This patch makes them call __fegetenv
instead, making fegetenv into a weak alias for __fegetenv as needed.
Tested for x86_64 (testsuite, and that disassembly of installed shared
libraries is unchanged by the patch). Also tested for ARM
(soft-float) that fegetenv failures disappear from the linknamespace
test failures (however, similar fixes will also be needed for
fegetround, feholdexcept, fesetenv, fesetround and feupdateenv before
this set of namespace issues covered by bug 17748 is fully fixed and
those linknamespace tests start passing).
[BZ #17748]
* include/fenv.h (__fegetenv): Use libm_hidden_proto.
* math/fegetenv.c (__fegetenv): Use libm_hidden_def.
* sysdeps/aarch64/fpu/fegetenv.c (fegetenv): Rename to __fegetenv
and define as weak alias of __fegetenv. Use libm_hidden_weak.
* sysdeps/alpha/fpu/fegetenv.c (__fegetenv): Use libm_hidden_def.
* sysdeps/arm/fegetenv.c (fegetenv): Rename to __fegetenv and
define as weak alias of __fegetenv. Use libm_hidden_weak.
* sysdeps/hppa/fpu/fegetenv.c (fegetenv): Likewise.
* sysdeps/i386/fpu/fegetenv.c (__fegetenv): Use libm_hidden_def.
* sysdeps/ia64/fpu/fegetenv.c (fegetenv): Rename to __fegetenv and
define as weak alias of __fegetenv. Use libm_hidden_weak.
* sysdeps/m68k/fpu/fegetenv.c (__fegetenv): Use libm_hidden_def.
* sysdeps/mips/fpu/fegetenv.c (fegetenv): Rename to __fegetenv and
define as weak alias of __fegetenv. Use libm_hidden_weak.
* sysdeps/powerpc/fpu/fegetenv.c (__fegetenv): Use
libm_hidden_def.
* sysdeps/powerpc/nofpu/fegetenv.c (__fegetenv): Likewise.
* sysdeps/powerpc/powerpc32/e500/nofpu/fegetenv.c (__fegetenv):
Likewise.
* sysdeps/s390/fpu/fegetenv.c (fegetenv): Rename to __fegetenv and
define as weak alias of __fegetenv. Use libm_hidden_weak.
* sysdeps/sh/sh4/fpu/fegetenv.c (fegetenv): Likewise.
* sysdeps/sparc/fpu/fegetenv.c (__fegetenv): Use libm_hidden_def.
* sysdeps/tile/math_private.h (__fegetenv): New inline function.
* sysdeps/x86_64/fpu/fegetenv.c (fegetenv): Rename to __fegetenv
and define as weak alias of __fegetenv. Use libm_hidden_weak.
* sysdeps/generic/math_private.h (libc_feholdsetround_ctx): Use
__fegetenv instead of fegetenv.
(libc_feholdsetround_noex_ctx): Likewise.
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Various C90 and UNIX98 libm functions call feraiseexcept, which is not
in those standards. This causes linknamespace test failures - except
on x86 / x86_64, where feraiseexcept is inline (for the relevant
constant arguments) in bits/fenv.h.
This patch fixes this by making those functions call __feraiseexcept
instead. All changes are applied to all architectures rather than
considering the possibility that some might not be needed in some
cases (e.g. x86) as it seems most maintainable to keep architectures
consistent.
Where __feraiseexcept does not exist, it is added, with feraiseexcept
made a weak alias; where it is a strong alias, it is made weak.
libm_hidden_def / libm_hidden_proto are used with __feraiseexcept
(this might in some cases improve code generation for existing calls
to __feraiseexcept in some code on some architectures). Where there
are dummy feraiseexcept macros (on architectures without
floating-point exceptions support, to avoid compile errors from
references to undefined FE_* macros), corresponding dummy
__feraiseexcept macros are added. And on x86, to ensure
__feraiseexcept calls still get inlined, the inline function in
bits/fenv.h is refactored so that most of it can be reused in an
inline __feraiseexcept in a separate include/bits/fenv.h.
Calls are changed in C90/UNIX98 functions, but generally not in
functions missing from those standards. They are also changed in
libc_fe* functions (on the basis that those might be used in any libm
function), and in feupdateenv (on the same basis - may be used, via
default libc_*, in any libm function - of course feupdateenv will need
changing to __feupdateenv in a subsequent patch to make that fully
namespace-clean).
No __feraiseexcept is added corresponding to the feraiseexcept in
powerpc bits/fenvinline.h, because that macro definition is
conditional on !defined __NO_MATH_INLINES, and glibc libm is built
with -D__NO_MATH_INLINES, so changing internal calls to use
__feraiseexcept should make no difference.
Tested for x86_64 (testsuite; the only change in disassembly of
installed shared libraries is a slight code reordering in clog10, of
no apparent significance). Also tested for MIPS, where (in the
configuration tested) it eliminates math.h linknamespace failures for
n32 and n64 (some for o32 remain because of other issues).
[BZ #17723]
* include/fenv.h (__feraiseexcept): Use libm_hidden_proto.
* math/fraiseexcpt.c (__feraiseexcept): Use libm_hidden_def.
* sysdeps/aarch64/fpu/fraiseexcpt.c (feraiseexcept): Rename to
__feraiseexcept and define as weak alias of __feraiseexcept. Use
libm_hidden_weak.
* sysdeps/arm/fraiseexcpt.c (feraiseexcept): Likewise.
* sysdeps/hppa/fpu/fraiseexcpt.c (feraiseexcept): Likewise.
* sysdeps/i386/fpu/fraiseexcpt.c (__feraiseexcept): Use
libm_hidden_def.
* sysdeps/ia64/fpu/fraiseexcpt.c (feraiseexcept): Rename to
__feraiseexcept and define as weak alias of __feraiseexcept. Use
libm_hidden_weak.
* sysdeps/m68k/coldfire/fpu/fraiseexcpt.c (feraiseexcept):
Likewise.
* sysdeps/microblaze/math_private.h (__feraiseexcept): New macro.
* sysdeps/mips/fpu/fraiseexcpt.c (feraiseexcept): Rename to
__feraiseexcept and define as weak alias of __feraiseexcept. Use
libm_hidden_weak.
* sysdeps/powerpc/fpu/fraiseexcpt.c (__feraiseexcept): Use
libm_hidden_def.
* sysdeps/powerpc/nofpu/fraiseexcpt.c (__feraiseexcept): Likewise.
* sysdeps/powerpc/powerpc32/e500/nofpu/fraiseexcpt.c
(__feraiseexcept): Likewise.
* sysdeps/s390/fpu/fraiseexcpt.c (feraiseexcept): Rename to
__feraiseexcept and define as weak alias of __feraiseexcept. Use
libm_hidden_weak.
* sysdeps/sh/sh4/fpu/fraiseexcpt.c (feraiseexcept): Likewise.
* sysdeps/sparc/fpu/fraiseexcpt.c (__feraiseexcept): Use
libm_hidden_def.
* sysdeps/tile/math_private.h (__feraiseexcept): New macro.
* sysdeps/unix/sysv/linux/alpha/fraiseexcpt.S (__feraiseexcept):
Use libm_hidden_def.
* sysdeps/x86_64/fpu/fraiseexcpt.c (__feraiseexcept): Use
libm_hidden_def.
(feraiseexcept): Define as weak not strong alias. Use
libm_hidden_weak.
* sysdeps/x86/fpu/bits/fenv.h (__feraiseexcept_invalid_divbyzero):
New inline function. Factored out of ...
(feraiseexcept): ... here. Use __feraiseexcept_invalid_divbyzero.
* sysdeps/x86/fpu/include/bits/fenv.h: New file.
* math/e_scalb.c (invalid_fn): Call __feraiseexcept instead of
feraiseexcept.
* math/w_acos.c (__acos): Likewise.
* math/w_asin.c (__asin): Likewise.
* math/w_ilogb.c (__ilogb): Likewise.
* math/w_j0.c (y0): Likewise.
* math/w_j1.c (y1): Likewise.
* math/w_jn.c (yn): Likewise.
* math/w_log.c (__log): Likewise.
* math/w_log10.c (__log10): Likewise.
* sysdeps/aarch64/fpu/feupdateenv.c (feupdateenv): Likewise.
* sysdeps/aarch64/fpu/math_private.h
(libc_feupdateenv_test_aarch64): Likewise.
* sysdeps/alpha/fpu/feupdateenv.c (__feupdateenv): Likewise.
* sysdeps/arm/fenv_private.h (libc_feupdateenv_test_vfp): Likewise.
* sysdeps/arm/feupdateenv.c (feupdateenv): Likewise.
* sysdeps/ia64/fpu/feupdateenv.c (feupdateenv): Likewise.
* sysdeps/m68k/fpu/feupdateenv.c (__feupdateenv): Likewise.
* sysdeps/mips/fpu/feupdateenv.c (feupdateenv): Likewise.
* sysdeps/powerpc/fpu/e_sqrt.c (__slow_ieee754_sqrt): Likewise.
* sysdeps/s390/fpu/feupdateenv.c (feupdateenv): Likewise.
* sysdeps/sh/sh4/fpu/feupdateenv.c (feupdateenv): Likewise.
* sysdeps/sparc/fpu/feupdateenv.c (__feupdateenv): Likewise.
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Replace with !IS_IN (libc). This completes the transition from
the IS_IN/NOT_IN macros to the IN_MODULE macro set.
The generated code is unchanged on x86_64.
* stdlib/isomac.c (fmt): Replace NOT_IN_libc with IN_MODULE.
(get_null_defines): Adjust.
* sunrpc/Makefile: Adjust comment.
* Makerules (CPPFLAGS-nonlib): Remove NOT_IN_libc.
* elf/Makefile (CPPFLAGS-sotruss-lib): Likewise.
(CFLAGS-interp.c): Likewise.
(CFLAGS-ldconfig.c): Likewise.
(CPPFLAGS-.os): Likewise.
* elf/rtld-Rules (rtld-CPPFLAGS): Likewise.
* extra-lib.mk (CPPFLAGS-$(lib)): Likewise.
* extra-modules.mk (extra-modules.mk): Likewise.
* iconv/Makefile (CPPFLAGS-iconvprogs): Likewise.
* locale/Makefile (CPPFLAGS-locale_programs): Likewise.
* malloc/Makefile (CPPFLAGS-memusagestat): Likewise.
* nscd/Makefile (CPPFLAGS-nscd): Likewise.
* nss/Makefile (CPPFLAGS-nss_test1): Likewise.
* stdlib/Makefile (CFLAGS-tst-putenvmod.c): Likewise.
* sysdeps/gnu/Makefile ($(objpfx)errlist-compat.c): Likewise.
* sysdeps/unix/sysv/linux/Makefile (CPPFLAGS-lddlibc4): Likewise.
* iconvdata/Makefile (CPPFLAGS): Likewise.
(cpp-srcs-left): Add libof for all iconvdata routines.
* bits/stdio-lock.h: Replace NOT_IN_libc with IS_IN.
* include/assert.h: Likewise.
* include/ctype.h: Likewise.
* include/errno.h: Likewise.
* include/libc-symbols.h: Likewise.
* include/math.h: Likewise.
* include/netdb.h: Likewise.
* include/resolv.h: Likewise.
* include/stdio.h: Likewise.
* include/stdlib.h: Likewise.
* include/string.h: Likewise.
* include/sys/stat.h: Likewise.
* include/wctype.h: Likewise.
* intl/l10nflist.c: Likewise.
* libidn/idn-stub.c: Likewise.
* libio/libioP.h: Likewise.
* nptl/libc_multiple_threads.c: Likewise.
* nptl/pthreadP.h: Likewise.
* posix/regex_internal.h: Likewise.
* resolv/res_hconf.c: Likewise.
* sysdeps/arm/armv7/multiarch/memcpy.S: Likewise.
* sysdeps/arm/memmove.S: Likewise.
* sysdeps/arm/sysdep.h: Likewise.
* sysdeps/generic/_itoa.h: Likewise.
* sysdeps/generic/symbol-hacks.h: Likewise.
* sysdeps/gnu/errlist.awk: Likewise.
* sysdeps/gnu/errlist.c: Likewise.
* sysdeps/i386/i586/memcpy.S: Likewise.
* sysdeps/i386/i586/memset.S: Likewise.
* sysdeps/i386/i686/memcpy.S: Likewise.
* sysdeps/i386/i686/memmove.S: Likewise.
* sysdeps/i386/i686/mempcpy.S: Likewise.
* sysdeps/i386/i686/memset.S: Likewise.
* sysdeps/i386/i686/multiarch/bcopy.S: Likewise.
* sysdeps/i386/i686/multiarch/bzero.S: Likewise.
* sysdeps/i386/i686/multiarch/memchr-sse2-bsf.S: Likewise.
* sysdeps/i386/i686/multiarch/memchr-sse2.S: Likewise.
* sysdeps/i386/i686/multiarch/memchr.S: Likewise.
* sysdeps/i386/i686/multiarch/memcmp-sse4.S: Likewise.
* sysdeps/i386/i686/multiarch/memcmp-ssse3.S: Likewise.
* sysdeps/i386/i686/multiarch/memcmp.S: Likewise.
* sysdeps/i386/i686/multiarch/memcpy-ssse3-rep.S: Likewise.
* sysdeps/i386/i686/multiarch/memcpy-ssse3.S: Likewise.
* sysdeps/i386/i686/multiarch/memcpy.S: Likewise.
* sysdeps/i386/i686/multiarch/memcpy_chk.S: Likewise.
* sysdeps/i386/i686/multiarch/memmove.S: Likewise.
* sysdeps/i386/i686/multiarch/memmove_chk.S: Likewise.
* sysdeps/i386/i686/multiarch/mempcpy.S: Likewise.
* sysdeps/i386/i686/multiarch/mempcpy_chk.S: Likewise.
* sysdeps/i386/i686/multiarch/memrchr-c.c: Likewise.
* sysdeps/i386/i686/multiarch/memrchr-sse2-bsf.S: Likewise.
* sysdeps/i386/i686/multiarch/memrchr-sse2.S: Likewise.
* sysdeps/i386/i686/multiarch/memrchr.S: Likewise.
* sysdeps/i386/i686/multiarch/memset-sse2-rep.S: Likewise.
* sysdeps/i386/i686/multiarch/memset-sse2.S: Likewise.
* sysdeps/i386/i686/multiarch/memset.S: Likewise.
* sysdeps/i386/i686/multiarch/memset_chk.S: Likewise.
* sysdeps/i386/i686/multiarch/rawmemchr.S: Likewise.
* sysdeps/i386/i686/multiarch/strcat-sse2.S: Likewise.
* sysdeps/i386/i686/multiarch/strcat-ssse3.S: Likewise.
* sysdeps/i386/i686/multiarch/strcat.S: Likewise.
* sysdeps/i386/i686/multiarch/strchr-sse2-bsf.S: Likewise.
* sysdeps/i386/i686/multiarch/strchr-sse2.S: Likewise.
* sysdeps/i386/i686/multiarch/strchr.S: Likewise.
* sysdeps/i386/i686/multiarch/strcmp-sse4.S: Likewise.
* sysdeps/i386/i686/multiarch/strcmp-ssse3.S: Likewise.
* sysdeps/i386/i686/multiarch/strcmp.S: Likewise.
* sysdeps/i386/i686/multiarch/strcpy-sse2.S: Likewise.
* sysdeps/i386/i686/multiarch/strcpy-ssse3.S: Likewise.
* sysdeps/i386/i686/multiarch/strcpy.S: Likewise.
* sysdeps/i386/i686/multiarch/strcspn.S: Likewise.
* sysdeps/i386/i686/multiarch/strlen-sse2-bsf.S: Likewise.
* sysdeps/i386/i686/multiarch/strlen-sse2.S: Likewise.
* sysdeps/i386/i686/multiarch/strlen.S: Likewise.
* sysdeps/i386/i686/multiarch/strnlen.S: Likewise.
* sysdeps/i386/i686/multiarch/strrchr-sse2-bsf.S: Likewise.
* sysdeps/i386/i686/multiarch/strrchr-sse2.S: Likewise.
* sysdeps/i386/i686/multiarch/strrchr.S: Likewise.
* sysdeps/i386/i686/multiarch/strspn.S: Likewise.
* sysdeps/i386/i686/multiarch/wcschr-c.c: Likewise.
* sysdeps/i386/i686/multiarch/wcschr-sse2.S: Likewise.
* sysdeps/i386/i686/multiarch/wcschr.S: Likewise.
* sysdeps/i386/i686/multiarch/wcscmp-sse2.S: Likewise.
* sysdeps/i386/i686/multiarch/wcscmp.S: Likewise.
* sysdeps/i386/i686/multiarch/wcscpy-c.c: Likewise.
* sysdeps/i386/i686/multiarch/wcscpy-ssse3.S: Likewise.
* sysdeps/i386/i686/multiarch/wcscpy.S: Likewise.
* sysdeps/i386/i686/multiarch/wcslen-c.c: Likewise.
* sysdeps/i386/i686/multiarch/wcslen-sse2.S: Likewise.
* sysdeps/i386/i686/multiarch/wcslen.S: Likewise.
* sysdeps/i386/i686/multiarch/wcsrchr-c.c: Likewise.
* sysdeps/i386/i686/multiarch/wcsrchr-sse2.S: Likewise.
* sysdeps/i386/i686/multiarch/wcsrchr.S: Likewise.
* sysdeps/i386/i686/multiarch/wmemcmp-c.c: Likewise.
* sysdeps/i386/i686/multiarch/wmemcmp.S: Likewise.
* sysdeps/ia64/fpu/libm-symbols.h: Likewise.
* sysdeps/nptl/bits/libc-lock.h: Likewise.
* sysdeps/nptl/bits/libc-lockP.h: Likewise.
* sysdeps/nptl/bits/stdio-lock.h: Likewise.
* sysdeps/posix/closedir.c: Likewise.
* sysdeps/posix/opendir.c: Likewise.
* sysdeps/posix/readdir.c: Likewise.
* sysdeps/posix/rewinddir.c: Likewise.
* sysdeps/powerpc/novmx-sigjmp.c: Likewise.
* sysdeps/powerpc/powerpc32/__longjmp.S: Likewise.
* sysdeps/powerpc/powerpc32/bsd-_setjmp.S: Likewise.
* sysdeps/powerpc/powerpc32/fpu/__longjmp.S: Likewise.
* sysdeps/powerpc/powerpc32/fpu/setjmp.S: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/bzero.c: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/memchr.c: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/memcmp-ppc32.S: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/memcmp.c: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/memcpy-ppc32.S: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/memcpy.c: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/memmove.c: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/mempcpy.c: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/memrchr-ppc32.c: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/memrchr.c: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/memset-ppc32.S: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/memset.c: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/rawmemchr.c: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/strcasecmp.c: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/strcasecmp_l.c: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/strchr.c: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/strchrnul.c: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/strlen-ppc32.S: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/strlen.c: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/strncase.c: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/strncase_l.c: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/strncmp-ppc32.S: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/strncmp.c: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/strnlen.c: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/wcschr-ppc32.c: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/wcschr.c: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/wcscpy-ppc32.c: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/wcscpy.c: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/wcsrchr-ppc32.c: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/wcsrchr.c: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/wordcopy.c: Likewise.
* sysdeps/powerpc/powerpc32/power6/memset.S: Likewise.
* sysdeps/powerpc/powerpc32/setjmp.S: Likewise.
* sysdeps/powerpc/powerpc64/__longjmp.S: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/bzero.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/memchr.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/memcmp-ppc64.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/memcmp.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/memcpy-ppc64.S: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/memcpy.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/memmove-ppc64.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/memmove.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/mempcpy.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/memrchr.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/memset-ppc64.S: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/memset.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/rawmemchr.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/stpcpy-ppc64.S: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/stpcpy.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/stpncpy.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/strcasecmp.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/strcasecmp_l.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/strcat.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/strchr.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/strchrnul.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/strcmp-ppc64.S: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/strcmp.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/strcpy-ppc64.S: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/strcpy.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/strcspn.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/strlen-ppc64.S: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/strlen.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/strncase.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/strncase_l.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/strncat.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/strncmp-ppc64.S: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/strncmp.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/strncpy-ppc64.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/strncpy.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/strnlen.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/strpbrk.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/strrchr-ppc64.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/strrchr.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/strspn-ppc64.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/strspn.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/wcschr.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/wcscpy.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/wcsrchr.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/wordcopy.c: Likewise.
* sysdeps/powerpc/powerpc64/setjmp.S: Likewise.
* sysdeps/s390/s390-32/multiarch/ifunc-resolve.c: Likewise.
* sysdeps/s390/s390-32/multiarch/memcmp.S: Likewise.
* sysdeps/s390/s390-32/multiarch/memcpy.S: Likewise.
* sysdeps/s390/s390-32/multiarch/memset.S: Likewise.
* sysdeps/s390/s390-64/multiarch/ifunc-resolve.c: Likewise.
* sysdeps/s390/s390-64/multiarch/memcmp.S: Likewise.
* sysdeps/s390/s390-64/multiarch/memcpy.S: Likewise.
* sysdeps/s390/s390-64/multiarch/memset.S: Likewise.
* sysdeps/sparc/sparc64/multiarch/memcpy-niagara1.S: Likewise.
* sysdeps/sparc/sparc64/multiarch/memcpy-niagara2.S: Likewise.
* sysdeps/sparc/sparc64/multiarch/memcpy-niagara4.S: Likewise.
* sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S: Likewise.
* sysdeps/sparc/sparc64/multiarch/memcpy.S: Likewise.
* sysdeps/sparc/sparc64/multiarch/memset-niagara1.S: Likewise.
* sysdeps/sparc/sparc64/multiarch/memset-niagara4.S: Likewise.
* sysdeps/sparc/sparc64/multiarch/memset.S: Likewise.
* sysdeps/unix/alpha/sysdep.S: Likewise.
* sysdeps/unix/alpha/sysdep.h: Likewise.
* sysdeps/unix/make-syscalls.sh: Likewise.
* sysdeps/unix/sysv/linux/aarch64/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/aarch64/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/alpha/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/alpha/vfork.S: Likewise.
* sysdeps/unix/sysv/linux/arm/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/arm/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/getpid.c: Likewise.
* sysdeps/unix/sysv/linux/hppa/nptl/lowlevellock.h: Likewise.
* sysdeps/unix/sysv/linux/hppa/nptl/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S: Likewise.
* sysdeps/unix/sysv/linux/i386/lowlevellock.h: Likewise.
* sysdeps/unix/sysv/linux/i386/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/i386/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/ia64/lowlevellock.h: Likewise.
* sysdeps/unix/sysv/linux/ia64/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/ia64/sysdep.S: Likewise.
* sysdeps/unix/sysv/linux/ia64/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/lowlevellock-futex.h: Likewise.
* sysdeps/unix/sysv/linux/m68k/bits/m68k-vdso.h: Likewise.
* sysdeps/unix/sysv/linux/m68k/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/m68k/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/microblaze/lowlevellock.h: Likewise.
* sysdeps/unix/sysv/linux/microblaze/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/mips/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/not-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/powerpc/lowlevellock.h: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/s390/longjmp_chk.c: Likewise.
* sysdeps/unix/sysv/linux/s390/lowlevellock.h: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/sysdep.S: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/vfork.S: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/sysdep.S: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/vfork.S: Likewise.
* sysdeps/unix/sysv/linux/sh/lowlevellock.S: Likewise.
* sysdeps/unix/sysv/linux/sh/lowlevellock.h: Likewise.
* sysdeps/unix/sysv/linux/sh/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/sh/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/sh/vfork.S: Likewise.
* sysdeps/unix/sysv/linux/sparc/lowlevellock.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/brk.S: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/tile/lowlevellock.h: Likewise.
* sysdeps/unix/sysv/linux/tile/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/tile/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/tile/waitpid.S: Likewise.
* sysdeps/unix/sysv/linux/x86_64/lowlevellock.S: Likewise.
* sysdeps/unix/sysv/linux/x86_64/lowlevellock.h: Likewise.
* sysdeps/unix/sysv/linux/x86_64/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/x86_64/sysdep.h: Likewise.
* sysdeps/wordsize-32/symbol-hacks.h: Likewise.
* sysdeps/x86_64/memcpy.S: Likewise.
* sysdeps/x86_64/memmove.c: Likewise.
* sysdeps/x86_64/memset.S: Likewise.
* sysdeps/x86_64/multiarch/init-arch.h: Likewise.
* sysdeps/x86_64/multiarch/memcmp-sse4.S: Likewise.
* sysdeps/x86_64/multiarch/memcmp-ssse3.S: Likewise.
* sysdeps/x86_64/multiarch/memcmp.S: Likewise.
* sysdeps/x86_64/multiarch/memcpy-avx-unaligned.S: Likewise.
* sysdeps/x86_64/multiarch/memcpy-ssse3-back.S: Likewise.
* sysdeps/x86_64/multiarch/memcpy-ssse3.S: Likewise.
* sysdeps/x86_64/multiarch/memcpy.S: Likewise.
* sysdeps/x86_64/multiarch/memcpy_chk.S: Likewise.
* sysdeps/x86_64/multiarch/memmove.c: Likewise.
* sysdeps/x86_64/multiarch/mempcpy.S: Likewise.
* sysdeps/x86_64/multiarch/mempcpy_chk.S: Likewise.
* sysdeps/x86_64/multiarch/memset-avx2.S: Likewise.
* sysdeps/x86_64/multiarch/memset.S: Likewise.
* sysdeps/x86_64/multiarch/memset_chk.S: Likewise.
* sysdeps/x86_64/multiarch/strcat-sse2-unaligned.S: Likewise.
* sysdeps/x86_64/multiarch/strcat-ssse3.S: Likewise.
* sysdeps/x86_64/multiarch/strcat.S: Likewise.
* sysdeps/x86_64/multiarch/strchr-sse2-no-bsf.S: Likewise.
* sysdeps/x86_64/multiarch/strchr.S: Likewise.
* sysdeps/x86_64/multiarch/strcmp-ssse3.S: Likewise.
* sysdeps/x86_64/multiarch/strcmp.S: Likewise.
* sysdeps/x86_64/multiarch/strcpy-sse2-unaligned.S: Likewise.
* sysdeps/x86_64/multiarch/strcpy-ssse3.S: Likewise.
* sysdeps/x86_64/multiarch/strcpy.S: Likewise.
* sysdeps/x86_64/multiarch/strcspn.S: Likewise.
* sysdeps/x86_64/multiarch/strspn.S: Likewise.
* sysdeps/x86_64/multiarch/wcscpy-c.c: Likewise.
* sysdeps/x86_64/multiarch/wcscpy-ssse3.S: Likewise.
* sysdeps/x86_64/multiarch/wcscpy.S: Likewise.
* sysdeps/x86_64/multiarch/wmemcmp-c.c: Likewise.
* sysdeps/x86_64/multiarch/wmemcmp.S: Likewise.
* sysdeps/x86_64/strcmp.S: Likewise.
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This sets __HAVE_64B_ATOMICS if provided. It also sets
USE_ATOMIC_COMPILER_BUILTINS to true if the existing atomic ops use the
__atomic* builtins (aarch64, mips partially) or if this has been
tested (x86_64); otherwise, this is set to false so that C11 atomics will
be based on the existing atomic operations.
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Continuing the removal of the obsolete INTDEF / INTUSE mechanism, this
patch eliminates its use for _dl_init. Since _dl_init was already
declared with hidden visibility, creating a second hidden alias for it
was completely pointless, so this patch replaces all uses of
_dl_init_internal with plain _dl_init instead of using hidden_proto /
hidden_def (which are only needed when you want a hidden alias for a
non-hidden symbol; it's quite possible there are cases where they are
used but don't need to be because the symbol in question is not part
of the public ABI and is only used within a single library, so using
attributes_hidden instead would suffice).
Tested for x86_64 that installed stripped shared libraries are
unchanged by the patch.
[BZ #14132]
* elf/dl-init.c (_dl_init): Don't use INTDEF.
* sysdeps/aarch64/dl-machine.h (RTLD_START): Use _dl_init instead
of _dl_init_internal.
* sysdeps/alpha/dl-machine.h (RTLD_START): Likewise.
* sysdeps/arm/dl-machine.h (RTLD_START): Likewise.
* sysdeps/hppa/dl-machine.h (RTLD_START): Likewise.
* sysdeps/i386/dl-machine.h (RTLD_START): Likewise.
* sysdeps/ia64/dl-machine.h (RTLD_START): Likewise.
* sysdeps/m68k/dl-machine.h (RTLD_START): Likewise.
* sysdeps/microblaze/dl-machine.h (RTLD_START): Likewise.
* sysdeps/mips/dl-machine.h (RTLD_START): Likewise.
* sysdeps/powerpc/powerpc32/dl-start.S (_start): Likewise.
* sysdeps/s390/s390-32/dl-machine.h (RTLD_START): Likewise.
* sysdeps/s390/s390-64/dl-machine.h (RTLD_START): Likewise.
* sysdeps/sh/dl-machine.h (RTLD_START): Likewise.
* sysdeps/sparc/sparc32/dl-machine.h (RTLD_START): Likewise.
* sysdeps/sparc/sparc64/dl-machine.h (RTLD_START): Likewise.
* sysdeps/tile/dl-start.S (_start): Likewise.
* sysdeps/x86_64/dl-machine.h (RTLD_START): Likewise.
* sysdeps/x86_64/x32/dl-machine.h (RTLD_START): Likewise.
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* aclocal.m4: Require autoconf 2.69.
* configure: Regenerated.
* sysdeps/aarch64/configure: Likewise.
* sysdeps/alpha/configure: Likewise.
* sysdeps/arm/armv7/configure: Likewise.
* sysdeps/arm/configure: Likewise.
* sysdeps/ia64/configure: Likewise.
* sysdeps/mach/configure: Likewise.
* sysdeps/mips/configure: Likewise.
* sysdeps/s390/configure: Likewise.
* sysdeps/unix/sysv/linux/mips/configure: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/configure: Likewise.
* sysdeps/alpha/configure.ac: Avoid empty lines at the end of
file.
* sysdeps/ia64/configure.ac: Likewise.
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Various architectures have files such as sysdeps/<arch>/shlib-versions
whose contents are in fact entirely Linux-specific, relating only to
the symbol / shared library versions for the port to Linux on that
architecture, when any future port to a different OS on that
architecture would use the symbol version of the glibc release it goes
in, as standard for new ports.
This patch moves such files under sysdeps/unix/sysv/linux/, merging in
the contents of sysdeps/<arch>/nptl/shlib-versions in the process.
The only bits not moved are those relating to libgcc_s versions, which
don't appear OS-specific in the same way that glibc's symbol versions
so. It deliberately does not change the regular expressions given for
matching configurations in each file; some match only Linux although
not Linux-specific, or match other OSes although Linux-specific. It
is with a view to at least the following further cleanups:
* Move architecture-specific content from the toplevel shlib-versions
and nptl/shlib-versions into sysdeps shlib-versions files, so
eliminating another difference between ex-ports and non-ex-ports
architectures.
* Likewise, for OS-specific content in shlib-versions files.
* At that point, the first field in shlib-versions files (the regular
expression matching a configuration triplet) should be redundant, so
eliminate that field and leave shlib-versions selection working
purely on a sysdeps basis (with limited use of %ifdef in
shlib-versions files when needed) rather than having its own
separate mechanism to select what configuration information is
relevant.
* Move the build of gnu/lib-names.h to a similar mechanism to that
used for gnu/stubs.h (each library build installing a version of the
header specifically for that build), so we can eliminate the
duplication of soname information in the makefiles and get it purely
from shlib-versions files again.
There may be other cleanups possible as well (in particular, I'm not
sure that all cases where the same "Earliest symbol set" information
is repeated for many different libraries actually should need to
repeat it rather than specifying it just once for DEFAULT for the
given configuration, and separately specifying any non-default choices
of soname).
Tested x86_64 that the installed shared libraries are unchanged by
this patch.
* sysdeps/aarch64/shlib-versions: Move to ...
* sysdeps/unix/sysv/linux/aarch64/shlib-versions: ... here.
* sysdeps/alpha/shlib-versions: Move to ...
* sysdeps/unix/sysv/linux/alpha/shlib-versions: ... here.
* sysdeps/arm/shlib-versions: Move to ...
* sysdeps/unix/sysv/linux/arm/shlib-versions: ... here.
* sysdeps/hppa/shlib-versions: Move all contents except for
libgcc_s entry to ...
* sysdeps/unix/sysv/linux/hppa/shlib-versions: ... here. Merge in
entry from ...
* sysdeps/hppa/nptl/shlib-versions: ... here. Remove file.
* sysdeps/ia64/shlib-versions: Move to ...
* sysdeps/unix/sysv/linux/ia64/shlib-versions: ... here. Merge in
entry from ...
* sysdeps/ia64/nptl/shlib-versions: ... here. Remove file.
* sysdeps/m68k/coldfire/shlib-versions: Move to ...
* sysdeps/unix/sysv/linux/m68k/coldfire/shlib-versions: ... here.
* sysdeps/microblaze/shlib-versions: Move to ...
* sysdeps/unix/sysv/linux/microblaze/shlib-versions: ... here.
* sysdeps/mips/shlib-versions: Move to ...
* sysdeps/unix/sysv/linux/mips/shlib-versions: ... here. Merge in
entry from ...
* sysdeps/mips/nptl/shlib-versions: ... here. Remove file.
* sysdeps/tile/shlib-versions: Move to ...
* sysdeps/unix/sysv/linux/tile/shlib-versions: ... here.
* sysdeps/unix/sysv/linux/x86_64/64/shlib-versions: Merge in entry
from ...
* sysdeps/x86_64/64/shlib-versions: ... here. Remove file.
* sysdeps/unix/sysv/linux/x86_64/x32/shlib-versions: Merge in
entry from ...
* sysdeps/x86_64/x32/shlib-versions: ... here. Remove file.
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Provide an hp-timing-common.h for ports to use.
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Without HP_TIMING_ACCUM, dl_hp_timing_overhead is write-only.
If we remove it, there's no point in HP_TIMING_DIFF_INIT either.
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This patch removes the configure test for working -z relro.
The use of -z relro in Makeconfig became unconditional with
commit 2e6ab1df44c412bb9d30b26a4d8a679150a7e375
Author: Ulrich Drepper <drepper@redhat.com>
Date: Sat Oct 28 06:44:04 2006 +0000
Remove conditional code which now is unnecessary.
(commit reference from git://repo.or.cz/glibc/history), so since then
the configure test has not controlled anything about how glibc is
built - simply about whether configure succeeds and allows a build to
be attempted. The test for whether the option did something useful
(as opposed to whether it exists - which we can certainly just assume
by now) was originally added in
<https://sourceware.org/ml/libc-hacker/2004-09/msg00069.html> to
disable the option in a case when it did nothing useful on ia64 (as a
result of something deliberate in the linker on ia64). Since 2006
that disabling has been of no effect, and given that the current test
does not set libc_relro_required for ia64, it does nothing whatever
useful for the original motivating case. Also at around the same time
in 2006 the test was made to give an error for missing or broken -z
relro support on various architectures.
So effectively all the test does now is verify that, on certain
architectures, the linker has not been changed deliberately to make
the option ineffective. I see no apparent reason why such a change
should be expected, or why the build should be stopped if it were to
be made (any more than we disallow build on ia64); I think we can
trust binutils patch review to point out the consequences of any
change to COMMONPAGESIZE setting. The only thing that might now make
sense would be disabling the -z relro use on an architecture-specific
basis if there were an architecture-specific reason to consider that
to make sense; it would be for the ia64 maintainer to decide if that
makes sense for ia64 at present, but I think that could be done
through sysdeps Makefiles - no special configure tests needed.
Tested for x86_64 that this patch makes no change to the installed
shared libraries.
Together with
<https://sourceware.org/ml/libc-alpha/2014-06/msg00788.html> (pending
review) this substantially eliminates architecture-specific cases from
architecture-independent configure.ac files. There remains an i386
case in sysdeps/mach/hurd/configure.ac that should properly move to
the i386 subdirectory. (There are also OS-specific cases outside
OS-specific directories; in principle I think should should also
move.)
* configure.ac (libc_commonpagesize): Remove variable.
(libc_relro_required): Likewise.
(libc_cv_z_relro): Remove configure test.
* configure: Regenerated.
* sysdeps/aarch64/preconfigure (libc_commonpagesize): Do not set
variable.
(libc_relro_required): Likewise.
* sysdeps/alpha/preconfigure (libc_commonpagesize): Likewise.
(libc_relro_required): Likewise.
* sysdeps/arm/preconfigure.ac (libc_commonpagesize): Likewise.
(libc_relro_required): Likewise.
* sysdeps/arm/preconfigure: Regenerated.
* sysdeps/ia64/preconfigure: Remove file.
* sysdeps/tile/preconfigure (libc_commonpagesize): Do not set
variable.
(libc_relro_required): Likewise.
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This patch defines ELF_MACHINE_NO_RELA on all architectures. Tested
only on x86_64 to verify that the sources before and after are
identical except for two instructions that pass the current line
number in dl-machine.h to assert_fail.
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Errno is not set and the testcases will fail.
Now the scalbln-aliases are removed in i386/m68
and the wrappers are used when calling the scalbln-functions.
On ia64 only scalblnf has its own implementation.
For scalbln and scalblnl the ieee754/dbl-64 and ieee754/ldbl-96 are used, thus
the wrappers are needed, too.
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As recently discussed
<https://sourceware.org/ml/libc-alpha/2014-02/msg00670.html>, it
doesn't seem particularly useful for libm-test-ulps files to contain
huge amounts of data on ulps for individual tests; just the global
maximum observed ulps for each function, together with the
verification of exceptions, errno and special results such as
infinities and NaNs for each test, suffices to verify that a
function's behavior on the given test inputs is within the expected
accuracy. Removing this data reduces source tree churn caused by
updates to these files when libm tests are added, and reduces the
frequency with which testsuite additions actually need libm-test-ulps
changes at all.
Accordingly, this patch removes that data, so that individual tests
get checked against the global bounds for the given function and only
generate an error if those are exceeded. Tested x86_64 (including
verifying that if an ulps value is artificially reduced, the tests do
indeed fail as they should and "make regen-ulps" generates the
expected changes).
* math/libm-test.inc (struct ulp_data): Don't refer to ulps for
individual tests in comment.
(libm-test-ulps.h): Don't refer to test_ulps in #include comment.
(prev_max_error): New variable.
(prev_real_max_error): Likewise.
(prev_imag_max_error): Likewise.
(compare_ulp_data): Don't refer to test names in comment.
(find_test_ulps): Remove function.
(find_function_ulps): Likewise.
(find_complex_function_ulps): Likewise.
(init_max_error): Take function name as argument. Look up ulps
for that function.
(print_ulps): Remove function.
(print_max_error): Use prev_max_error instead of calling
find_function_ulps.
(print_complex_max_error): Use prev_real_max_error and
prev_imag_max_error instead of calling find_complex_function_ulps.
(check_float_internal): Take max_ulp parameter instead of calling
find_test_ulps. Don't call print_ulps.
(check_float): Update call to check_float_internal.
(check_complex): Update calls to check_float_internal.
(START): Pass argument to init_max_error.
* math/gen-libm-test.pl (%results): Don't include "kind"
information.
(parse_ulps): Don't handle ulps of individual tests.
(print_ulps_file): Likewise.
(output_ulps): Likewise.
* math/README.libm-test: Update.
* manual/libm-err-tab.pl (parse_ulps): Don't handle ulps of
individual tests.
* sysdeps/aarch64/libm-test-ulps: Remove individual test ulps.
* sysdeps/alpha/fpu/libm-test-ulps: Likewise.
* sysdeps/arm/libm-test-ulps: Likewise.
* sysdeps/i386/fpu/libm-test-ulps: Likewise.
* sysdeps/ia64/fpu/libm-test-ulps: Likewise.
* sysdeps/m68k/coldfire/fpu/libm-test-ulps: Likewise.
* sysdeps/m68k/m680x0/fpu/libm-test-ulps: Likewise.
* sysdeps/microblaze/libm-test-ulps: Likewise.
* sysdeps/mips/mips32/libm-test-ulps: Likewise.
* sysdeps/mips/mips64/libm-test-ulps: Likewise.
* sysdeps/powerpc/fpu/libm-test-ulps: Likewise.
* sysdeps/powerpc/nofpu/libm-test-ulps: Likewise.
* sysdeps/s390/fpu/libm-test-ulps: Likewise.
* sysdeps/sh/libm-test-ulps: Likewise.
* sysdeps/sparc/fpu/libm-test-ulps: Likewise.
* sysdeps/tile/libm-test-ulps: Likewise.
* sysdeps/x86_64/fpu/libm-test-ulps: Likewise.
* sysdeps/hppa/fpu/libm-test-ulps: Remove individual test ulps.
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libm is now somewhat integrated with gcc's -ffinite-math-only option
and lots of the wrapper functions have been optimized.
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When data is shorter than software pipeline, recovery may fail. This
patch avoids it by using a simple loop on data shorter than software
pipeline.
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The latest stratcliff extension exposed a bug in the IA-64 memchr which
uses non-speculative loads to prefetch data. Change the code to use
speculative loads with appropriate fixup. Fixes BZ 10162.
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* sunrpc/rpc/pmap_clnt.h: Likewise.
* sunrpc/rpc/svc.h: Likewise.
* sunrpc/rpc/xdr.h: Likewise.
* sunrpc/rpc/clnt.h: Likewise.
* resolv/netdb.h: Likewise.
* resolv/arpa/nameser.h: Likewise.
* resolv/resolv.h: Likewise.
* argp/argp.h: Likewise.
* locale/langinfo.h: Likewise.
* io/sys/stat.h: Likewise.
* posix/spawn.h: Likewise.
* nis/rpcsvc/nislib.h: Likewise.
* malloc/obstack.h: Likewise.
* sysdeps/ia64/bits/link.h: Likewise.
* sysdeps/i386/bits/link.h: Likewise.
* sysdeps/s390/bits/link.h: Likewise.
* sysdeps/powerpc/bits/link.h: Likewise.
* sysdeps/x86_64/bits/link.h: Likewise.
* sysdeps/sparc/bits/link.h: Likewise.
* sysdeps/sh/bits/link.h: Likewise.
* sysdeps/unix/sysv/linux/i386/sys/io.h: Likewise.
* sysdeps/unix/sysv/linux/x86_64/sys/io.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/sys/eventfd.h: Likewise.
* sysdeps/unix/sysv/linux/sys/eventfd.h: Likewise.
2009-02-16 Jakub Jelinek <jakub@redhat.com>
* stdlib/monetary.h: Uglify function parameter names.
* sunrpc/rpc/pmap_clnt.h: Likewise.
* sunrpc/rpc/svc.h: Likewise.
* sunrpc/rpc/xdr.h: Likewise.
* sunrpc/rpc/clnt.h: Likewise.
* resolv/netdb.h: Likewise.
* resolv/arpa/nameser.h: Likewise.
* resolv/resolv.h: Likewise.
* argp/argp.h: Likewise.
* locale/langinfo.h: Likewise.
* io/sys/stat.h: Likewise.
* posix/spawn.h: Likewise.
* nis/rpcsvc/nislib.h: Likewise.
* malloc/obstack.h: Likewise.
* sysdeps/ia64/bits/link.h: Likewise.
* sysdeps/i386/bits/link.h: Likewise.
* sysdeps/s390/bits/link.h: Likewise.
* sysdeps/powerpc/bits/link.h: Likewise.
* sysdeps/x86_64/bits/link.h: Likewise.
* sysdeps/sparc/bits/link.h: Likewise.
* sysdeps/sh/bits/link.h: Likewise.
* sysdeps/unix/sysv/linux/i386/sys/io.h: Likewise.
* sysdeps/unix/sysv/linux/x86_64/sys/io.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/sys/eventfd.h: Likewise.
* sysdeps/unix/sysv/linux/sys/eventfd.h: Likewise.
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* string/endian.h: Add macros for fixed-size endian conversion.
* bits/byteswap.h: Allow inclusion from <endian.h>.
* sysdeps/i386/bits/byteswap.h: Likewise.
* sysdeps/ia64/bits/byteswap.h: Likewise.
* sysdeps/s390/bits/byteswap.h: Likewise.
* sysdeps/x86_64/bits/byteswap.h: Likewise.
* string/Makefile (tests): Add tst-endian.
* string/tst-endian.c: New file.
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* sysdeps/ia64/ieee754.h: Use protected namespace
__BIG_ENDIAN/__LITTLE_ENDIAN.
* sysdeps/ieee754/ieee754.h: Likewise.
Patch by Aurelien Jarno <aurelien@aurel32.net>.
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2007-10-27 Andreas Jaeger <aj@suse.de>
[BZ #3112]
* sysdeps/ia64/backtrace.c (init): Free shared library if incorrect.
(__cleanup): Free shared library when exiting.
* sysdeps/i386/backtrace.c (init): Free shared library if incorrect.
(__cleanup): Free shared library when exiting.
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* misc/bits/syslog.h (syslog): When __va_arg_pack is defined,
implement as __extern_always_inline function.
(vsyslog): Define as __extern_always_inline function unconditionally.
* libio/bits/stdio2.h (sprintf, snprintf, printf, fprintf):
When __va_arg_pack is defined, implement as __extern_always_inline
functions.
(vsprintf, vsnprintf, vprintf, vfprintf): Define as
__extern_always_inline functions unconditionally.
* libio/bits/stdio.h (vprintf): Ifdef out the inline when
bits/stdio2.h will be included.
* wcsmbs/bits/wchar2.h (__swprintf_alias): New redirect.
(swprintf, wprintf, fwprintf): When __va_arg_pack is defined,
implement as __extern_always_inline functions.
(vswprintf, vwprintf, vfwprintf): Define as
__extern_always_inline functions unconditionally.
* debug/tst-chk1.c (do_test): Enable remaining tests for C++.
2007-09-03 Jakub Jelinek <jakub@redhat.com>
* misc/sys/cdefs.h (__extern_inline, __extern_always_inline): Only
define in C++ for GCC 4.3+, in C++ always use __gnu_inline__
attribute.
* include/features.h (__USE_EXTERN_INLINES): Define only when
__extern_inline is defined.
* stdlib/stdlib.h: Include bits/stdlib.h when __extern_always_inline
is defined instead of when not __cplusplus.
* misc/sys/syslog.h: Include bits/syslog.h when __extern_always_inline
is defined instead of when not __cplusplus.
* socket/sys/socket.h: Include bits/socket2.h when
__extern_always_inline is defined instead of when not __cplusplus.
* libio/stdio.h: Include bits/stdio2.h when __extern_always_inline
is defined instead of when not __cplusplus.
* posix/unistd.h: Include bits/unistd.h when __extern_always_inline
is defined instead of when not __cplusplus.
* string/string.h: Include bits/string3.h when __extern_always_inline
is defined instead of when not __cplusplus.
* wcsmbs/wchar.h: Include bits/wchar2.h when __extern_always_inline
is defined instead of when not __cplusplus.
(btowc, wctob): Don't guard the inlines with ifndef __cplusplus.
* io/fcntl.h: Don't include bits/fcntl2.h if __extern_always_inline
is not defined.
* misc/bits/syslog-ldbl.h: Guard *_chk stuff with
defined __extern_always_inline instead of !defined __cplusplus.
* libio/bits/stdio-ldbl.h: Likewise.
* wcsmbs/bits/wchar-ldbl.h: Likewise.
* misc/bits/syslog.h (syslog): Don't define for C++.
(vsyslog): Use __extern_always_inline function for C++ instead of
a macro.
* libio/bits/stdio.h (__STDIO_INLINE): Define to __extern_inline
whenever that macro is defined.
(vprintf): Don't provide the inline for C++.
(fread_unlocked, fwrite_unlocked): Don't define the macros for C++.
* libio/bits/stdio2.h (sprintf, snprintf, printf, fprintf): Don't
define the macros for C++.
(vsprintf, vsnprintf, vprintf, vfprintf): Define as
__extern_always_inline functions for C++.
* io/sys/stat.h (stat, lstat, fstat, fstatat, mknod, mknodat,
stat64, lstat64, fstat64, fstatat64): Don't define if not
__USE_EXTERN_INLINES.
* wcsmbs/bits/wchar2.h: Fix #error message.
(swprintf, wprintf, fwprintf): Don't define the macros for C++.
(vswprintf, vwprintf, vfwprintf): Define using
__extern_always_inline functions for C++.
* string/bits/string3.h: Don't #undef macros if __cplusplus.
(memcpy, memmove, mempcpy, memset, bcopy, bzero, strcpy, stpcpy,
strncpy, strcat, strncat): Define as __extern_always_inline
functions instead of macros for C++.
* math/bits/cmathcalls.h: Guard __extern_inline routines with
defined __extern_inline.
* sysdeps/alpha/fpu/bits/mathinline.h (__MATH_INLINE): Define
to __extern_inline whenever that macro is defined.
* sysdeps/ia64/fpu/bits/mathinline.h (__MATH_INLINE): Likewise.
* sysdeps/i386/fpu/bits/mathinline.h (__MATH_INLINE): Likewise.
* sysdeps/i386/i486/bits/string.h (__STRING_INLINE): Likewise.
* sysdeps/s390/bits/string.h (__STRING_INLINE): Likewise.
* sysdeps/s390/fpu/bits/mathinline.h (__MATH_INLINE): Likewise.
* sysdeps/powerpc/fpu/bits/mathinline.h (__MATH_INLINE): Likewise.
* sysdeps/x86_64/fpu/bits/mathinline.h (__MATH_INLINE): Likewise.
* sysdeps/sparc/fpu/bits/mathinline.h (__MATH_INLINE): Likewise.
* sysdeps/unix/sysv/linux/sys/sysmacros.h (gnu_dev_major,
gnu_dev_minor, gnu_dev_makedev): Remove __extern_inline from
prototypes. Only provide __extern_inline routines if
__USE_EXTERN_INLINES.
* debug/Makefile: Add rules to build and run tst-{,lfs}chk{4,5,6}
tests.
* debug/tst-chk1.c (do_prepare, do_test): Allow compilation as C++.
For now avoid some *printf tests in C++. Skip all testing
if __USE_FORTIFY_LEVEL is defined, but __extern_always_inline macro
is not.
* debug/tst-chk4.cc: New file.
* debug/tst-chk5.cc: New file.
* debug/tst-chk6.cc: New file.
* debug/tst-lfschk4.cc: New file.
* debug/tst-lfschk5.cc: New file.
* debug/tst-lfschk6.cc: New file.
* include/wchar.h (__vfwprintf_chk, __vswprintf_chk): Avoid
prototypes in C++.
* include/stdio.h (__sprintf_chk, __snprintf_chk, __vsprintf_chk,
__vsnprintf_chk, __printf_chk, __fprintf_chk, __vprintf_chk,
__vfprintf_chk, __fgets_unlocked_chk, __fgets_chk): Likewise.
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* sysdeps/powerpc/sched_cpucount.c: New file.
2007-07-17 Jakub Jelinek <jakub@redhat.com>
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