[PING][PATCH 1/8] Use gcc attribute ifunc in libc_ifunc macro instead of inline assembly due to false debuginfo.
Stefan Liebler
stli@linux.vnet.ibm.com
Mon Jul 4 07:25:00 GMT 2016
PING
On 06/29/2016 02:55 PM, Stefan Liebler wrote:
> PING
>
> On 06/23/2016 01:55 PM, Stefan Liebler wrote:
>> The current s390 ifunc resolver for vector optimized functions and the
>> common
>> libc_ifunc macro in include/libc-symbols.h uses something like that:
>> extern void *__resolve___strlen(unsigned long int dl_hwcap) asm (strlen);
>> asm (".type strlen, %gnu_indirect_function");
>>
>> This leads to false debug information:
>> objdump --dwarf=info libc.so:
>> ...
>> <1><1e6424>: Abbrev Number: 43 (DW_TAG_subprogram)
>> <1e6425> DW_AT_external : 1
>> <1e6425> DW_AT_name : (indirect string, offset:
>> 0x1146e): __resolve___strlen
>> <1e6429> DW_AT_decl_file : 1
>> <1e642a> DW_AT_decl_line : 23
>> <1e642b> DW_AT_linkage_name: (indirect string, offset:
>> 0x1147a): strlen
>> <1e642f> DW_AT_prototyped : 1
>> <1e642f> DW_AT_type : <0x1e4ccd>
>> <1e6433> DW_AT_low_pc : 0x998e0
>> <1e643b> DW_AT_high_pc : 0x16
>> <1e6443> DW_AT_frame_base : 1 byte block: 9c
>> (DW_OP_call_frame_cfa)
>> <1e6445> DW_AT_GNU_all_call_sites: 1
>> <1e6445> DW_AT_sibling : <0x1e6459>
>> <2><1e6449>: Abbrev Number: 44 (DW_TAG_formal_parameter)
>> <1e644a> DW_AT_name : (indirect string, offset: 0x1845):
>> dl_hwcap
>> <1e644e> DW_AT_decl_file : 1
>> <1e644f> DW_AT_decl_line : 23
>> <1e6450> DW_AT_type : <0x1e4c8d>
>> <1e6454> DW_AT_location : 0x122115 (location list)
>> ...
>>
>> The debuginfo for the ifunc-resolver function contains the
>> DW_AT_linkage_name
>> field, which names the real function name "strlen". If you perform an
>> inferior
>> function call to strlen in lldb, then it fails due to something like
>> that:
>> "error: no matching function for call to 'strlen'
>> candidate function not viable: no known conversion from 'const char [6]'
>> to 'unsigned long' for 1st argument"
>>
>> The unsigned long is the dl_hwcap argument of the resolver function.
>> The strlen function itself has no debufinfo.
>>
>> The s390 ifunc resolver for memset & co uses something like that:
>> asm (".globl FUNC"
>> ".type FUNC, @gnu_indirect_function"
>> ".set FUNC, __resolve_FUNC");
>>
>> This way the debuginfo for the ifunc-resolver function does not conain
>> the
>> DW_AT_linkage_name field and the real function has no debuginfo, too.
>>
>> Using this strategy for the vector optimized functions leads to some
>> troubles
>> for functions like strnlen. Here we have __strnlen and a weak alias
>> strnlen.
>> The __strnlen function is the ifunc function, which is realized with
>> the asm-
>> statement above. The weak_alias-macro can't be used here due to
>> undefined symbol:
>> gcc ../sysdeps/s390/multiarch/strnlen.c -c ...
>> In file included from <command-line>:0:0:
>> ../sysdeps/s390/multiarch/strnlen.c:28:24: error: ‘strnlen’ aliased to
>> undefined symbol ‘__strnlen’
>> weak_alias (__strnlen, strnlen)
>> ^
>> ./../include/libc-symbols.h:111:26: note: in definition of macro
>> ‘_weak_alias’
>> extern __typeof (name) aliasname __attribute__ ((weak, alias
>> (#name)));
>> ^
>> ../sysdeps/s390/multiarch/strnlen.c:28:1: note: in expansion of macro
>> ‘weak_alias’
>> weak_alias (__strnlen, strnlen)
>> ^
>> make[2]: *** [build/string/strnlen.o] Error 1
>>
>> As the __strnlen function is defined with asm-statements the function
>> name
>> __strnlen isn't known by gcc. But the weak alias can also be done with an
>> asm statement to resolve this issue:
>> __asm__ (".weak strnlen\n\t"
>> ".set strnlen,__strnlen\n");
>>
>> In order to use the weak_alias macro, gcc needs to know the ifunc
>> function. The
>> minimum gcc to build glibc is currently 4.7, which supports
>> attribute((ifunc)).
>> See
>> https://gcc.gnu.org/onlinedocs/gcc-4.7.0/gcc/Function-Attributes.html.
>> Usage is something like that:
>> __typeof (FUNC) FUNC __attribute__ ((ifunc ("__resolve_FUNC")));
>>
>> Then gcc produces the same .globl, .type, .set assembler instructions
>> like above.
>> And the debuginfo does not contain the DW_AT_linkage_name field and
>> there is no
>> debuginfo for the real function, too.
>>
>> But in order to get it work, there is also some extra work to do.
>> Currently, the glibc internal symbol on s390x e.g. __GI___strnlen is
>> not the
>> ifunc symbol, but the fallback __strnlen_c symbol. Thus I have to omit
>> the
>> libc_hidden_def macro in strnlen.c (here is the ifunc function __strnlen)
>> because it is already handled in strnlen-c.c (here is __strnlen_c).
>>
>> Due to libc_hidden_proto (__strnlen) in string.h, compiling fails:
>> gcc ../sysdeps/s390/multiarch/strnlen.c -c ...
>> In file included from <command-line>:0:0:
>> ../sysdeps/s390/multiarch/strnlen.c:53:24: error: ‘strnlen’ aliased to
>> undefined symbol ‘__strnlen’
>> weak_alias (__strnlen, strnlen)
>> ^
>> ./../include/libc-symbols.h:111:26: note: in definition of macro
>> ‘_weak_alias’
>> extern __typeof (name) aliasname __attribute__ ((weak, alias
>> (#name)));
>> ^
>> ../sysdeps/s390/multiarch/strnlen.c:53:1: note: in expansion of macro
>> ‘weak_alias’
>> weak_alias (__strnlen, strnlen)
>> ^
>> make[2]: *** [build/string/strnlen.os] Error 1
>>
>> I have to redirect the prototypes for __strnlen in string.h and create
>> a copy
>> of the prototype for using as ifunc function:
>> extern __typeof (__redirect___strnlen) __libc___strnlen;
>> __typeof (__libc___strnlen) __libc___strnlen __attribute__ ((ifunc
>> ("__resolve_strnlen")));
>> strong_alias (__libc___strnlen, __strnlen)
>> weak_alias (__libc___strnlen, strnlen)
>>
>> This way there is no trouble with the internal __GI_* symbols.
>> Glibc builds fine with this construct and the debuginfo is "correct".
>> For functions without a __GI_* symbol like memccpy or if the __GI_*
>> symbol
>> targets to the ifunc symbol, this redirection is not needed.
>>
>> This patch adjusts the common libc_ifunc and libm_ifunc macro to use gcc
>> attribute ifunc. Due to this change, the macro users where the __GI_*
>> symbol
>> does not target the ifunc symbol have to be prepared with the redirection
>> construct.
>>
>> This patch also prepares the libc_ifunc macro to be useable in
>> s390-ifunc-macro.
>> The s390 ifunc-resolver-functions do have an hwcaps parameter and not all
>> resolvers need the same initialization code. The next patch in this
>> series
>> changes the s390 ifunc macros to use this common one.
>>
>> Tested the whole patchset by building glibc and running the testsuite
>> on s390,
>> intel, power for 32/64bit. The __GI_* symbols targets the same
>> functions as
>> before.
>>
>> Okay to commit?
>>
>> Bye
>> Stefan
>>
>> ChangeLog:
>>
>> * include/libc-symbols.h (__ifunc): New macro uses gcc attribute
>> ifunc.
>> (libc_ifunc, libm_ifunc): Use __ifunc as base macro.
>> (libm_ifunc_init): New define.
>> * sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_finite.c:
>> Redirect ifunced function in header and create a copy of the
>> prototype
>> for using as ifunc function. Add appropiate aliases to the real
>> symbol
>> names.
>> * sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_finitef.c:
>> Likewise.
>> * sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_isinf.c: Likewise.
>> * sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_isinff.c:
>> Likewise.
>> * sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_isnan.c: Likewise.
>> * sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_isnanf.c:
>> Likewise.
>> * sysdeps/powerpc/powerpc32/power4/multiarch/memcmp.c: 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/memset.c: Likewise.
>> * sysdeps/powerpc/powerpc32/power4/multiarch/rawmemchr.c: Likewise.
>> * sysdeps/powerpc/powerpc32/power4/multiarch/strchr.c: Likewise.
>> * sysdeps/powerpc/powerpc32/power4/multiarch/strlen.c: Likewise.
>> * sysdeps/powerpc/powerpc32/power4/multiarch/strncmp.c: Likewise.
>> * sysdeps/powerpc/powerpc32/power4/multiarch/strnlen.c: Likewise.
>> * sysdeps/powerpc/powerpc64/fpu/multiarch/s_finite.c: Likewise.
>> * sysdeps/powerpc/powerpc64/fpu/multiarch/s_finitef.c: Likewise.
>> * sysdeps/powerpc/powerpc64/fpu/multiarch/s_isinf.c: Likewise.
>> * sysdeps/powerpc/powerpc64/fpu/multiarch/s_isinff.c: Likewise.
>> * sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan.c: Likewise.
>> * sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnanf.cLikewise.
>> * sysdeps/powerpc/powerpc64/multiarch/memcmp.c: Likewise.
>> * sysdeps/powerpc/powerpc64/multiarch/mempcpy.c: Likewise.
>> * sysdeps/powerpc/powerpc64/multiarch/rawmemchr.c: Likewise.
>> * sysdeps/powerpc/powerpc64/multiarch/stpcpy.c: Likewise.
>> * sysdeps/powerpc/powerpc64/multiarch/stpncpy.c: Likewise.
>> * sysdeps/powerpc/powerpc64/multiarch/strcat.c: Likewise.
>> * sysdeps/powerpc/powerpc64/multiarch/strchr.c: Likewise.
>> * sysdeps/powerpc/powerpc64/multiarch/strcmp.c: Likewise.
>> * sysdeps/powerpc/powerpc64/multiarch/strcpy.c: Likewise.
>> * sysdeps/powerpc/powerpc64/multiarch/strncmp.c: Likewise.
>> * sysdeps/powerpc/powerpc64/multiarch/strncpy.c: Likewise.
>> * sysdeps/powerpc/powerpc64/multiarch/strnlen.c: Likewise.
>> * sysdeps/powerpc/powerpc64/multiarch/strrchr.c: Likewise.
>> * sysdeps/powerpc/powerpc64/multiarch/strstr.c: Likewise.
>> * sysdeps/powerpc/powerpc64/multiarch/wcschr.c: Likewise.
>> ---
>> include/libc-symbols.h | 23
>> +++++++++-------------
>> .../powerpc32/power4/fpu/multiarch/s_finite.c | 12 +++++++++--
>> .../powerpc32/power4/fpu/multiarch/s_finitef.c | 12 +++++++++--
>> .../powerpc32/power4/fpu/multiarch/s_isinf.c | 12 +++++++++--
>> .../powerpc32/power4/fpu/multiarch/s_isinff.c | 13 ++++++++++--
>> .../powerpc32/power4/fpu/multiarch/s_isnan.c | 12 +++++++++--
>> .../powerpc32/power4/fpu/multiarch/s_isnanf.c | 1 +
>> .../powerpc/powerpc32/power4/multiarch/memcmp.c | 6 +++++-
>> .../powerpc/powerpc32/power4/multiarch/memcpy.c | 8 +++++++-
>> .../powerpc/powerpc32/power4/multiarch/memmove.c | 7 ++++++-
>> .../powerpc/powerpc32/power4/multiarch/mempcpy.c | 13 +++++++++---
>> .../powerpc/powerpc32/power4/multiarch/memset.c | 7 ++++++-
>> .../powerpc/powerpc32/power4/multiarch/rawmemchr.c | 8 ++++++--
>> .../powerpc/powerpc32/power4/multiarch/strchr.c | 10 ++++++++--
>> .../powerpc/powerpc32/power4/multiarch/strlen.c | 7 ++++++-
>> .../powerpc/powerpc32/power4/multiarch/strncmp.c | 8 +++++++-
>> .../powerpc/powerpc32/power4/multiarch/strnlen.c | 11 ++++++++---
>> sysdeps/powerpc/powerpc64/fpu/multiarch/s_finite.c | 12 +++++++++--
>> .../powerpc/powerpc64/fpu/multiarch/s_finitef.c | 12 +++++++++--
>> sysdeps/powerpc/powerpc64/fpu/multiarch/s_isinf.c | 12 +++++++++--
>> sysdeps/powerpc/powerpc64/fpu/multiarch/s_isinff.c | 12 +++++++++--
>> sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan.c | 12 +++++++++--
>> sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnanf.c | 1 +
>> sysdeps/powerpc/powerpc64/multiarch/memcmp.c | 6 +++++-
>> sysdeps/powerpc/powerpc64/multiarch/mempcpy.c | 13 +++++++++---
>> sysdeps/powerpc/powerpc64/multiarch/rawmemchr.c | 8 ++++++--
>> sysdeps/powerpc/powerpc64/multiarch/stpcpy.c | 1 +
>> sysdeps/powerpc/powerpc64/multiarch/stpncpy.c | 10 ++++++++--
>> sysdeps/powerpc/powerpc64/multiarch/strcat.c | 6 +++++-
>> sysdeps/powerpc/powerpc64/multiarch/strchr.c | 10 ++++++++--
>> sysdeps/powerpc/powerpc64/multiarch/strcmp.c | 8 +++++++-
>> sysdeps/powerpc/powerpc64/multiarch/strcpy.c | 6 +++++-
>> sysdeps/powerpc/powerpc64/multiarch/strncmp.c | 8 +++++++-
>> sysdeps/powerpc/powerpc64/multiarch/strncpy.c | 9 +++++++--
>> sysdeps/powerpc/powerpc64/multiarch/strnlen.c | 11 ++++++++---
>> sysdeps/powerpc/powerpc64/multiarch/strrchr.c | 8 ++++++--
>> sysdeps/powerpc/powerpc64/multiarch/strstr.c | 6 +++++-
>> sysdeps/powerpc/powerpc64/multiarch/wcschr.c | 11 ++++++++---
>> 38 files changed, 277 insertions(+), 75 deletions(-)
>>
>> diff --git a/include/libc-symbols.h b/include/libc-symbols.h
>> index 4548e09..a77308a 100644
>> --- a/include/libc-symbols.h
>> +++ b/include/libc-symbols.h
>> @@ -714,26 +714,21 @@ for linking")
>> #endif
>>
>> /* Marker used for indirection function symbols. */
>> -#define libc_ifunc(name, expr) \
>> - extern void *name##_ifunc (void) __asm__ (#name); \
>> - void *name##_ifunc (void) \
>> +#define __ifunc(name, expr, arg, init) \
>> + extern __typeof (name) name __attribute__ ((ifunc(#name
>> "_ifunc"))); \
>> + static void *name##_ifunc (arg) \
>> { \
>> - INIT_ARCH (); \
>> + init (); \
>> __typeof (name) *res = expr; \
>> return res; \
>> - } \
>> - __asm__ (".type " #name ", %gnu_indirect_function");
>> + }
>> +
>> +#define libc_ifunc(name, expr) __ifunc (name, expr, void, INIT_ARCH)
>>
>> /* The body of the function is supposed to use __get_cpu_features
>> which will, if necessary, initialize the data first. */
>> -#define libm_ifunc(name, expr) \
>> - extern void *name##_ifunc (void) __asm__ (#name); \
>> - void *name##_ifunc (void) \
>> - { \
>> - __typeof (name) *res = expr; \
>> - return res; \
>> - } \
>> - __asm__ (".type " #name ", %gnu_indirect_function");
>> +#define libm_ifunc_init()
>> +#define libm_ifunc(name, expr) __ifunc (name, expr, void,
>> libm_ifunc_init)
>>
>> #ifdef HAVE_ASM_SET_DIRECTIVE
>> # define libc_ifunc_hidden_def1(local, name) \
>> diff --git a/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_finite.c
>> b/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_finite.c
>> index c860a1b..ee643a1 100644
>> --- a/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_finite.c
>> +++ b/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_finite.c
>> @@ -16,6 +16,9 @@
>> License along with the GNU C Library; if not, see
>> <http://www.gnu.org/licenses/>. */
>>
>> +#define __finite __redirect___finite
>> +#define __finitef __redirect___finitef
>> +#define __finitel __redirect___finitel
>> #include <math.h>
>> #include <math_ldbl_opt.h>
>> #include <shlib-compat.h>
>> @@ -23,13 +26,18 @@
>>
>> extern __typeof (__finite) __finite_ppc32 attribute_hidden;
>> extern __typeof (__finite) __finite_power7 attribute_hidden;
>> +extern __typeof (__finite) __libc___finite;
>> +#undef __finite
>> +#undef __finitef
>> +#undef __finitel
>>
>> -libc_ifunc (__finite,
>> +libc_ifunc (__libc___finite,
>> (hwcap & PPC_FEATURE_ARCH_2_06)
>> ? __finite_power7
>> : __finite_ppc32);
>>
>> -weak_alias (__finite, finite)
>> +strong_alias (__libc___finite, __finite)
>> +weak_alias (__libc___finite, finite)
>>
>> #ifdef NO_LONG_DOUBLE
>> strong_alias (__finite, __finitel)
>> diff --git
>> a/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_finitef.c
>> b/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_finitef.c
>> index 831c94f..f2a5389 100644
>> --- a/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_finitef.c
>> +++ b/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_finitef.c
>> @@ -16,6 +16,9 @@
>> License along with the GNU C Library; if not, see
>> <http://www.gnu.org/licenses/>. */
>>
>> +#define __finite __redirect___finite
>> +#define __finitef __redirect___finitef
>> +#define __finitel __redirect___finitel
>> #include <math.h>
>> #include <shlib-compat.h>
>> #include "init-arch.h"
>> @@ -23,10 +26,15 @@
>> extern __typeof (__finitef) __finitef_ppc32 attribute_hidden;
>> /* The power7 finite(double) works for float. */
>> extern __typeof (__finitef) __finite_power7 attribute_hidden;
>> +extern __typeof (__finitef) __libc___finitef;
>> +#undef __finite
>> +#undef __finitef
>> +#undef __finitel
>>
>> -libc_ifunc (__finitef,
>> +libc_ifunc (__libc___finitef,
>> (hwcap & PPC_FEATURE_ARCH_2_06)
>> ? __finite_power7
>> : __finitef_ppc32);
>>
>> -weak_alias (__finitef, finitef)
>> +strong_alias (__libc___finitef, __finitef)
>> +weak_alias (__libc___finitef, finitef)
>> diff --git a/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_isinf.c
>> b/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_isinf.c
>> index 506c111..7321631 100644
>> --- a/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_isinf.c
>> +++ b/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_isinf.c
>> @@ -16,6 +16,9 @@
>> License along with the GNU C Library; if not, see
>> <http://www.gnu.org/licenses/>. */
>>
>> +#define __isinf __redirect___isinf
>> +#define __isinff __redirect___isinff
>> +#define __isinfl __redirect___isinfl
>> #include <math.h>
>> #include <math_ldbl_opt.h>
>> #include <shlib-compat.h>
>> @@ -23,13 +26,18 @@
>>
>> extern __typeof (__isinf) __isinf_ppc32 attribute_hidden;
>> extern __typeof (__isinf) __isinf_power7 attribute_hidden;
>> +extern __typeof (__isinf) __libc___isinf;
>> +#undef __isinf
>> +#undef __isinff
>> +#undef __isinfl
>>
>> -libc_ifunc (__isinf,
>> +libc_ifunc (__libc___isinf,
>> (hwcap & PPC_FEATURE_ARCH_2_06)
>> ? __isinf_power7
>> : __isinf_ppc32);
>>
>> -weak_alias (__isinf, isinf)
>> +strong_alias (__libc___isinf, __isinf)
>> +weak_alias (__libc___isinf, isinf)
>>
>> #ifdef NO_LONG_DOUBLE
>> strong_alias (__isinf, __isinfl)
>> diff --git a/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_isinff.c
>> b/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_isinff.c
>> index 2ab83ee..75bb7dc 100644
>> --- a/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_isinff.c
>> +++ b/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_isinff.c
>> @@ -16,6 +16,9 @@
>> License along with the GNU C Library; if not, see
>> <http://www.gnu.org/licenses/>. */
>>
>> +#define __isinf __redirect___isinf
>> +#define __isinff __redirect___isinff
>> +#define __isinfl __redirect___isinfl
>> #include <math.h>
>> #include <math_ldbl_opt.h>
>> #include <shlib-compat.h>
>> @@ -24,10 +27,16 @@
>> extern __typeof (__isinff) __isinff_ppc32 attribute_hidden;
>> /* The power7 isinf(double) works for float. */
>> extern __typeof (__isinff) __isinf_power7 attribute_hidden;
>> +extern __typeof (__isinff) __libc___isinff;
>> +#undef __isinf
>> +#undef __isinff
>> +#undef __isinfl
>>
>> -libc_ifunc (__isinff,
>> +
>> +libc_ifunc (__libc___isinff,
>> (hwcap & PPC_FEATURE_ARCH_2_06)
>> ? __isinf_power7
>> : __isinff_ppc32);
>>
>> -weak_alias (__isinff, isinff)
>> +strong_alias (__libc___isinff, __isinff)
>> +weak_alias (__libc___isinff, isinff)
>> diff --git a/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_isnan.c
>> b/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_isnan.c
>> index 8f848d7..99aa84b 100644
>> --- a/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_isnan.c
>> +++ b/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_isnan.c
>> @@ -16,6 +16,9 @@
>> License along with the GNU C Library; if not, see
>> <http://www.gnu.org/licenses/>. */
>>
>> +#define __isnan __redirect___isnan
>> +#define __isnanf __redirect___isnanf
>> +#define __isnanl __redirect___isnanl
>> #include <math.h>
>> #include <math_ldbl_opt.h>
>> #include <shlib-compat.h>
>> @@ -25,8 +28,12 @@ extern __typeof (__isnan) __isnan_ppc32
>> attribute_hidden;
>> extern __typeof (__isnan) __isnan_power5 attribute_hidden;
>> extern __typeof (__isnan) __isnan_power6 attribute_hidden;
>> extern __typeof (__isnan) __isnan_power7 attribute_hidden;
>> +extern __typeof (__isnan) __libc___isnan;
>> +#undef __isnan
>> +#undef __isnanf
>> +#undef __isnanl
>>
>> -libc_ifunc (__isnan,
>> +libc_ifunc (__libc___isnan,
>> (hwcap & PPC_FEATURE_ARCH_2_06)
>> ? __isnan_power7 :
>> (hwcap & PPC_FEATURE_ARCH_2_05)
>> @@ -35,7 +42,8 @@ libc_ifunc (__isnan,
>> ? __isnan_power5
>> : __isnan_ppc32);
>>
>> -weak_alias (__isnan, isnan)
>> +strong_alias (__libc___isnan, __isnan)
>> +weak_alias (__libc___isnan, isnan)
>>
>> #ifdef NO_LONG_DOUBLE
>> strong_alias (__isnan, __isnanl)
>> diff --git a/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_isnanf.c
>> b/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_isnanf.c
>> index c43c0f3..304b2a7 100644
>> --- a/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_isnanf.c
>> +++ b/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_isnanf.c
>> @@ -35,4 +35,5 @@ libc_ifunc (__isnanf,
>> ? __isnanf_power5
>> : __isnan_ppc32);
>>
>> +hidden_def (__isnanf)
>> weak_alias (__isnanf, isnanf)
>> diff --git a/sysdeps/powerpc/powerpc32/power4/multiarch/memcmp.c
>> b/sysdeps/powerpc/powerpc32/power4/multiarch/memcmp.c
>> index c08519c..c18814f 100644
>> --- a/sysdeps/powerpc/powerpc32/power4/multiarch/memcmp.c
>> +++ b/sysdeps/powerpc/powerpc32/power4/multiarch/memcmp.c
>> @@ -18,17 +18,21 @@
>>
>> /* Define multiple versions only for definition in libc. */
>> #if IS_IN (libc)
>> +# define memcmp __redirect_memcmp
>> # include <string.h>
>> # include <shlib-compat.h>
>> # include "init-arch.h"
>>
>> extern __typeof (memcmp) __memcmp_ppc attribute_hidden;
>> extern __typeof (memcmp) __memcmp_power7 attribute_hidden;
>> +extern __typeof (memcmp) __libc_memcmp;
>> +# undef memcmp
>>
>> /* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle
>> ifunc symbol properly. */
>> -libc_ifunc (memcmp,
>> +libc_ifunc (__libc_memcmp,
>> (hwcap & PPC_FEATURE_HAS_VSX)
>> ? __memcmp_power7
>> : __memcmp_ppc);
>> +strong_alias (__libc_memcmp, memcmp);
>> #endif
>> diff --git a/sysdeps/powerpc/powerpc32/power4/multiarch/memcpy.c
>> b/sysdeps/powerpc/powerpc32/power4/multiarch/memcpy.c
>> index f379e47..5e68152 100644
>> --- a/sysdeps/powerpc/powerpc32/power4/multiarch/memcpy.c
>> +++ b/sysdeps/powerpc/powerpc32/power4/multiarch/memcpy.c
>> @@ -20,6 +20,8 @@
>> DSO. In static binaries we need memcpy before the initialization
>> happened. */
>> #if defined SHARED && IS_IN (libc)
>> +# undef memcpy
>> +# define memcpy __redirect_memcpy
>> # include <string.h>
>> # include <shlib-compat.h>
>> # include "init-arch.h"
>> @@ -29,10 +31,12 @@ extern __typeof (memcpy) __memcpy_cell
>> attribute_hidden;
>> extern __typeof (memcpy) __memcpy_power6 attribute_hidden;
>> extern __typeof (memcpy) __memcpy_a2 attribute_hidden;
>> extern __typeof (memcpy) __memcpy_power7 attribute_hidden;
>> +extern __typeof (memcpy) __libc_memcpy;
>> +# undef memcpy
>>
>> /* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle
>> ifunc symbol properly. */
>> -libc_ifunc (memcpy,
>> +libc_ifunc (__libc_memcpy,
>> (hwcap & PPC_FEATURE_HAS_VSX)
>> ? __memcpy_power7 :
>> (hwcap & PPC_FEATURE_ARCH_2_06)
>> @@ -42,4 +46,6 @@ libc_ifunc (memcpy,
>> (hwcap & PPC_FEATURE_CELL_BE)
>> ? __memcpy_cell
>> : __memcpy_ppc);
>> +
>> +strong_alias (__libc_memcpy, memcpy);
>> #endif
>> diff --git a/sysdeps/powerpc/powerpc32/power4/multiarch/memmove.c
>> b/sysdeps/powerpc/powerpc32/power4/multiarch/memmove.c
>> index 4173184..ee8ab0c 100644
>> --- a/sysdeps/powerpc/powerpc32/power4/multiarch/memmove.c
>> +++ b/sysdeps/powerpc/powerpc32/power4/multiarch/memmove.c
>> @@ -19,16 +19,21 @@
>> #if defined SHARED && IS_IN (libc)
>> /* Redefine memmove so that the compiler won't complain about the type
>> mismatch with the IFUNC selector in strong_alias, below. */
>> +# define memmove __redirect_memmove
>> # include <string.h>
>> # include "init-arch.h"
>>
>> extern __typeof (memmove) __memmove_ppc attribute_hidden;
>> extern __typeof (memmove) __memmove_power7 attribute_hidden;
>> +extern __typeof (__redirect_memmove) __libc_memmove;
>> +# undef memmove
>>
>> -libc_ifunc (memmove,
>> +libc_ifunc (__libc_memmove,
>> (hwcap & PPC_FEATURE_HAS_VSX)
>> ? __memmove_power7
>> : __memmove_ppc);
>> +
>> +strong_alias (__libc_memmove, memmove);
>> #else
>> # include <string/memmove.c>
>> #endif
>> diff --git a/sysdeps/powerpc/powerpc32/power4/multiarch/mempcpy.c
>> b/sysdeps/powerpc/powerpc32/power4/multiarch/mempcpy.c
>> index 3c77b5f..9b5dec9 100644
>> --- a/sysdeps/powerpc/powerpc32/power4/multiarch/mempcpy.c
>> +++ b/sysdeps/powerpc/powerpc32/power4/multiarch/mempcpy.c
>> @@ -17,23 +17,30 @@
>> <http://www.gnu.org/licenses/>. */
>>
>> #if IS_IN (libc)
>> +# define mempcpy __redirect_mempcpy
>> +# define __mempcpy __redirect___mempcpy
>> # define NO_MEMPCPY_STPCPY_REDIRECT
>> +/* Omit the mempcpy inline definitions because it would redefine
>> mempcpy. */
>> +# define _HAVE_STRING_ARCH_mempcpy 1
>> # include <string.h>
>> # include <shlib-compat.h>
>> # include "init-arch.h"
>>
>> extern __typeof (__mempcpy) __mempcpy_ppc attribute_hidden;
>> extern __typeof (__mempcpy) __mempcpy_power7 attribute_hidden;
>> +extern __typeof (__mempcpy) __libc___mempcpy;
>> +# undef mempcpy
>> +# undef __mempcpy
>>
>> /* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle
>> ifunc symbol properly. */
>> -libc_ifunc (__mempcpy,
>> +libc_ifunc (__libc___mempcpy,
>> (hwcap & PPC_FEATURE_HAS_VSX)
>> ? __mempcpy_power7
>> : __mempcpy_ppc);
>>
>> -weak_alias (__mempcpy, mempcpy)
>> -libc_hidden_def (mempcpy)
>> +strong_alias (__libc___mempcpy, __mempcpy)
>> +weak_alias (__libc___mempcpy, mempcpy)
>> #else
>> # include <string/mempcpy.c>
>> #endif
>> diff --git a/sysdeps/powerpc/powerpc32/power4/multiarch/memset.c
>> b/sysdeps/powerpc/powerpc32/power4/multiarch/memset.c
>> index 1d7fc7f..a759e57 100644
>> --- a/sysdeps/powerpc/powerpc32/power4/multiarch/memset.c
>> +++ b/sysdeps/powerpc/powerpc32/power4/multiarch/memset.c
>> @@ -18,6 +18,7 @@
>>
>> /* Define multiple versions only for definition in libc. */
>> #if defined SHARED && IS_IN (libc)
>> +# define memset __redirect_memset
>> # include <string.h>
>> # include <shlib-compat.h>
>> # include "init-arch.h"
>> @@ -25,13 +26,17 @@
>> extern __typeof (memset) __memset_ppc attribute_hidden;
>> extern __typeof (memset) __memset_power6 attribute_hidden;
>> extern __typeof (memset) __memset_power7 attribute_hidden;
>> +extern __typeof (memset) __libc_memset;
>> +# undef memset
>>
>> /* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle
>> ifunc symbol properly. */
>> -libc_ifunc (memset,
>> +libc_ifunc (__libc_memset,
>> (hwcap & PPC_FEATURE_HAS_VSX)
>> ? __memset_power7 :
>> (hwcap & PPC_FEATURE_ARCH_2_05)
>> ? __memset_power6
>> : __memset_ppc);
>> +
>> +strong_alias (__libc_memset, memset);
>> #endif
>> diff --git a/sysdeps/powerpc/powerpc32/power4/multiarch/rawmemchr.c
>> b/sysdeps/powerpc/powerpc32/power4/multiarch/rawmemchr.c
>> index f06030e..f31bd55 100644
>> --- a/sysdeps/powerpc/powerpc32/power4/multiarch/rawmemchr.c
>> +++ b/sysdeps/powerpc/powerpc32/power4/multiarch/rawmemchr.c
>> @@ -17,21 +17,25 @@
>> <http://www.gnu.org/licenses/>. */
>>
>> #if IS_IN (libc)
>> +# define __rawmemchr __redirect___rawmemchr
>> # include <string.h>
>> # include <shlib-compat.h>
>> # include "init-arch.h"
>>
>> extern __typeof (__rawmemchr) __rawmemchr_ppc attribute_hidden;
>> extern __typeof (__rawmemchr) __rawmemchr_power7 attribute_hidden;
>> +extern __typeof (__rawmemchr) __libc___rawmemchr;
>> +# undef __rawmemchr
>>
>> /* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle
>> ifunc symbol properly. */
>> -libc_ifunc (__rawmemchr,
>> +libc_ifunc (__libc___rawmemchr,
>> (hwcap & PPC_FEATURE_HAS_VSX)
>> ? __rawmemchr_power7
>> : __rawmemchr_ppc);
>>
>> -weak_alias (__rawmemchr, rawmemchr)
>> +strong_alias (__libc___rawmemchr, __rawmemchr)
>> +weak_alias (__libc___rawmemchr, rawmemchr)
>> #else
>> #include <string/rawmemchr.c>
>> #endif
>> diff --git a/sysdeps/powerpc/powerpc32/power4/multiarch/strchr.c
>> b/sysdeps/powerpc/powerpc32/power4/multiarch/strchr.c
>> index 2cfde63..87284f9 100644
>> --- a/sysdeps/powerpc/powerpc32/power4/multiarch/strchr.c
>> +++ b/sysdeps/powerpc/powerpc32/power4/multiarch/strchr.c
>> @@ -18,18 +18,24 @@
>>
>> /* Define multiple versions only for definition in libc. */
>> #if defined SHARED && IS_IN (libc)
>> +# define strchr __redirect_strchr
>> +/* Omit the strchr inline definitions because it would redefine
>> strchr. */
>> +# define __NO_STRING_INLINES
>> # include <string.h>
>> # include <shlib-compat.h>
>> # include "init-arch.h"
>>
>> extern __typeof (strchr) __strchr_ppc attribute_hidden;
>> extern __typeof (strchr) __strchr_power7 attribute_hidden;
>> +extern __typeof (strchr) __libc_strchr;
>> +# undef strchr
>>
>> /* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle
>> ifunc symbol properly. */
>> -libc_ifunc (strchr,
>> +libc_ifunc (__libc_strchr,
>> (hwcap & PPC_FEATURE_HAS_VSX)
>> ? __strchr_power7
>> : __strchr_ppc);
>> -weak_alias (strchr, index)
>> +strong_alias (__libc_strchr, strchr)
>> +weak_alias (__libc_strchr, index)
>> #endif
>> diff --git a/sysdeps/powerpc/powerpc32/power4/multiarch/strlen.c
>> b/sysdeps/powerpc/powerpc32/power4/multiarch/strlen.c
>> index af5921a..f21c680 100644
>> --- a/sysdeps/powerpc/powerpc32/power4/multiarch/strlen.c
>> +++ b/sysdeps/powerpc/powerpc32/power4/multiarch/strlen.c
>> @@ -17,15 +17,20 @@
>> <http://www.gnu.org/licenses/>. */
>>
>> #if defined SHARED && IS_IN (libc)
>> +# define strlen __redirect_strlen
>> # include <string.h>
>> # include <shlib-compat.h>
>> # include "init-arch.h"
>>
>> extern __typeof (strlen) __strlen_ppc attribute_hidden;
>> extern __typeof (strlen) __strlen_power7 attribute_hidden;
>> +extern __typeof (strlen) __libc_strlen;
>> +# undef strlen
>>
>> -libc_ifunc (strlen,
>> +libc_ifunc (__libc_strlen,
>> (hwcap & PPC_FEATURE_HAS_VSX)
>> ? __strlen_power7
>> : __strlen_ppc);
>> +
>> +strong_alias (__libc_strlen, strlen)
>> #endif
>> diff --git a/sysdeps/powerpc/powerpc32/power4/multiarch/strncmp.c
>> b/sysdeps/powerpc/powerpc32/power4/multiarch/strncmp.c
>> index 7cc7628..ad3a17b 100644
>> --- a/sysdeps/powerpc/powerpc32/power4/multiarch/strncmp.c
>> +++ b/sysdeps/powerpc/powerpc32/power4/multiarch/strncmp.c
>> @@ -18,6 +18,9 @@
>>
>> /* Define multiple versions only for definition in libc. */
>> #if defined SHARED && IS_IN (libc)
>> +# define strncmp __redirect_strncmp
>> +/* Omit the strncmp inline definitions because it would redefine
>> strncmp. */
>> +# define __NO_STRING_INLINES
>> # include <string.h>
>> # include <shlib-compat.h>
>> # include "init-arch.h"
>> @@ -25,11 +28,14 @@
>> extern __typeof (strncmp) __strncmp_ppc attribute_hidden;
>> extern __typeof (strncmp) __strncmp_power4 attribute_hidden;
>> extern __typeof (strncmp) __strncmp_power7 attribute_hidden;
>> +extern __typeof (strncmp) __libc_strncmp;
>> +# undef strncmp
>>
>> /* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle
>> ifunc symbol properly. */
>> -libc_ifunc (strncmp,
>> +libc_ifunc (__libc_strncmp,
>> (hwcap & PPC_FEATURE_HAS_VSX)
>> ? __strncmp_power7
>> : __strncmp_ppc);
>> +strong_alias (__libc_strncmp, strncmp)
>> #endif
>> diff --git a/sysdeps/powerpc/powerpc32/power4/multiarch/strnlen.c
>> b/sysdeps/powerpc/powerpc32/power4/multiarch/strnlen.c
>> index 8f1e7c9..d04d8b9 100644
>> --- a/sysdeps/powerpc/powerpc32/power4/multiarch/strnlen.c
>> +++ b/sysdeps/powerpc/powerpc32/power4/multiarch/strnlen.c
>> @@ -17,17 +17,22 @@
>> <http://www.gnu.org/licenses/>. */
>>
>> #if IS_IN (libc)
>> +# define strnlen __redirect_strnlen
>> +# define __strnlen __redirect___strnlen
>> # include <string.h>
>> # include <shlib-compat.h>
>> # include "init-arch.h"
>>
>> extern __typeof (__strnlen) __strnlen_ppc attribute_hidden;
>> extern __typeof (__strnlen) __strnlen_power7 attribute_hidden;
>> +extern __typeof (__strnlen) __libc___strnlen;
>> +# undef strnlen
>> +# undef __strnlen
>>
>> -libc_ifunc (__strnlen,
>> +libc_ifunc (__libc___strnlen,
>> (hwcap & PPC_FEATURE_HAS_VSX)
>> ? __strnlen_power7
>> : __strnlen_ppc);
>> -weak_alias (__strnlen, strnlen)
>> -libc_hidden_def (strnlen)
>> +strong_alias (__libc___strnlen, __strnlen)
>> +weak_alias (__libc___strnlen, strnlen)
>> #endif
>> diff --git a/sysdeps/powerpc/powerpc64/fpu/multiarch/s_finite.c
>> b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_finite.c
>> index 067edc2..ed1934f 100644
>> --- a/sysdeps/powerpc/powerpc64/fpu/multiarch/s_finite.c
>> +++ b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_finite.c
>> @@ -16,6 +16,9 @@
>> License along with the GNU C Library; if not, see
>> <http://www.gnu.org/licenses/>. */
>>
>> +#define __finite __redirect___finite
>> +#define __finitef __redirect___finitef
>> +#define __finitel __redirect___finitel
>> #include <math.h>
>> #include <math_ldbl_opt.h>
>> #include <shlib-compat.h>
>> @@ -24,15 +27,20 @@
>> extern __typeof (__finite) __finite_ppc64 attribute_hidden;
>> extern __typeof (__finite) __finite_power7 attribute_hidden;
>> extern __typeof (__finite) __finite_power8 attribute_hidden;
>> +extern __typeof (__finite) __libc___finite;
>> +#undef __finite
>> +#undef __finitef
>> +#undef __finitel
>>
>> -libc_ifunc (__finite,
>> +libc_ifunc (__libc___finite,
>> (hwcap2 & PPC_FEATURE2_ARCH_2_07)
>> ? __finite_power8 :
>> (hwcap & PPC_FEATURE_ARCH_2_06)
>> ? __finite_power7
>> : __finite_ppc64);
>>
>> -weak_alias (__finite, finite)
>> +strong_alias (__libc___finite, __finite)
>> +weak_alias (__libc___finite, finite)
>>
>> #ifdef NO_LONG_DOUBLE
>> strong_alias (__finite, __finitel)
>> diff --git a/sysdeps/powerpc/powerpc64/fpu/multiarch/s_finitef.c
>> b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_finitef.c
>> index e0b4686..6da1313 100644
>> --- a/sysdeps/powerpc/powerpc64/fpu/multiarch/s_finitef.c
>> +++ b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_finitef.c
>> @@ -16,6 +16,9 @@
>> License along with the GNU C Library; if not, see
>> <http://www.gnu.org/licenses/>. */
>>
>> +#define __finite __redirect___finite
>> +#define __finitef __redirect___finitef
>> +#define __finitel __redirect___finitel
>> #include <math.h>
>> #include <shlib-compat.h>
>> #include "init-arch.h"
>> @@ -24,12 +27,17 @@ extern __typeof (__finitef) __finitef_ppc64
>> attribute_hidden;
>> /* The double-precision version also works for single-precision. */
>> extern __typeof (__finitef) __finite_power7 attribute_hidden;
>> extern __typeof (__finitef) __finite_power8 attribute_hidden;
>> +extern __typeof (__finitef) __libc___finitef;
>> +#undef __finite
>> +#undef __finitef
>> +#undef __finitel
>>
>> -libc_ifunc (__finitef,
>> +libc_ifunc (__libc___finitef,
>> (hwcap2 & PPC_FEATURE2_ARCH_2_07)
>> ? __finite_power8 :
>> (hwcap & PPC_FEATURE_ARCH_2_06)
>> ? __finite_power7
>> : __finitef_ppc64);
>>
>> -weak_alias (__finitef, finitef)
>> +strong_alias (__libc___finitef, __finitef)
>> +weak_alias (__libc___finitef, finitef)
>> diff --git a/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isinf.c
>> b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isinf.c
>> index 07e159d..380dab8 100644
>> --- a/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isinf.c
>> +++ b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isinf.c
>> @@ -16,6 +16,9 @@
>> License along with the GNU C Library; if not, see
>> <http://www.gnu.org/licenses/>. */
>>
>> +#define __isinf __redirect___isinf
>> +#define __isinff __redirect___isinff
>> +#define __isinfl __redirect___isinfl
>> #include <math.h>
>> #include <math_ldbl_opt.h>
>> #include <shlib-compat.h>
>> @@ -24,15 +27,20 @@
>> extern __typeof (__isinf) __isinf_ppc64 attribute_hidden;
>> extern __typeof (__isinf) __isinf_power7 attribute_hidden;
>> extern __typeof (__isinf) __isinf_power8 attribute_hidden;
>> +extern __typeof (__isinf) __libc___isinf;
>> +#undef __isinf
>> +#undef __isinff
>> +#undef __isinfl
>>
>> -libc_ifunc (__isinf,
>> +libc_ifunc (__libc___isinf,
>> (hwcap2 & PPC_FEATURE2_ARCH_2_07)
>> ? __isinf_power8 :
>> (hwcap & PPC_FEATURE_ARCH_2_06)
>> ? __isinf_power7
>> : __isinf_ppc64);
>>
>> -weak_alias (__isinf, isinf)
>> +strong_alias (__libc___isinf, __isinf)
>> +weak_alias (__libc___isinf, isinf)
>>
>> #ifdef NO_LONG_DOUBLE
>> strong_alias (__isinf, __isinfl)
>> diff --git a/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isinff.c
>> b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isinff.c
>> index 2cb161b..065d218 100644
>> --- a/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isinff.c
>> +++ b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isinff.c
>> @@ -16,6 +16,9 @@
>> License along with the GNU C Library; if not, see
>> <http://www.gnu.org/licenses/>. */
>>
>> +#define __isinf __redirect___isinf
>> +#define __isinff __redirect___isinff
>> +#define __isinfl __redirect___isinfl
>> #include <math.h>
>> #include <math_ldbl_opt.h>
>> #include <shlib-compat.h>
>> @@ -25,12 +28,17 @@ extern __typeof (__isinff) __isinff_ppc64
>> attribute_hidden;
>> /* The double-precision version also works for single-precision. */
>> extern __typeof (__isinff) __isinf_power7 attribute_hidden;
>> extern __typeof (__isinff) __isinf_power8 attribute_hidden;
>> +extern __typeof (__isinff) __libc___isinff;
>> +#undef __isinf
>> +#undef __isinff
>> +#undef __isinfl
>>
>> -libc_ifunc (__isinff,
>> +libc_ifunc (__libc___isinff,
>> (hwcap2 & PPC_FEATURE2_ARCH_2_07)
>> ? __isinf_power8 :
>> (hwcap & PPC_FEATURE_ARCH_2_06)
>> ? __isinf_power7
>> : __isinff_ppc64);
>>
>> -weak_alias (__isinff, isinff)
>> +strong_alias (__libc___isinff, __isinff)
>> +weak_alias (__libc___isinff, isinff)
>> diff --git a/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan.c
>> b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan.c
>> index a614f25..a2c9308 100644
>> --- a/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan.c
>> +++ b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan.c
>> @@ -16,6 +16,9 @@
>> License along with the GNU C Library; if not, see
>> <http://www.gnu.org/licenses/>. */
>>
>> +#define __isnan __redirect___isnan
>> +#define __isnanf __redirect___isnanf
>> +#define __isnanl __redirect___isnanl
>> #include <math.h>
>> #include <math_ldbl_opt.h>
>> #include <shlib-compat.h>
>> @@ -27,8 +30,12 @@ extern __typeof (__isnan) __isnan_power6
>> attribute_hidden;
>> extern __typeof (__isnan) __isnan_power6x attribute_hidden;
>> extern __typeof (__isnan) __isnan_power7 attribute_hidden;
>> extern __typeof (__isnan) __isnan_power8 attribute_hidden;
>> +extern __typeof (__isnan) __libc___isnan;
>> +#undef __isnan
>> +#undef __isnanf
>> +#undef __isnanl
>>
>> -libc_ifunc (__isnan,
>> +libc_ifunc (__libc___isnan,
>> (hwcap2 & PPC_FEATURE2_ARCH_2_07)
>> ? __isnan_power8 :
>> (hwcap & PPC_FEATURE_ARCH_2_06)
>> @@ -41,7 +48,8 @@ libc_ifunc (__isnan,
>> ? __isnan_power5
>> : __isnan_ppc64);
>>
>> -weak_alias (__isnan, isnan)
>> +strong_alias (__libc___isnan, __isnan)
>> +weak_alias (__libc___isnan, isnan)
>>
>> #ifdef NO_LONG_DOUBLE
>> strong_alias (__isnan, __isnanl)
>> diff --git a/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnanf.c
>> b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnanf.c
>> index acbc131..72e9a07 100644
>> --- a/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnanf.c
>> +++ b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnanf.c
>> @@ -40,4 +40,5 @@ libc_ifunc (__isnanf,
>> ? __isnan_power5
>> : __isnan_ppc64);
>>
>> +hidden_def (__isnanf)
>> weak_alias (__isnanf, isnanf)
>> diff --git a/sysdeps/powerpc/powerpc64/multiarch/memcmp.c
>> b/sysdeps/powerpc/powerpc64/multiarch/memcmp.c
>> index e8cf6ae..b31aadf 100644
>> --- a/sysdeps/powerpc/powerpc64/multiarch/memcmp.c
>> +++ b/sysdeps/powerpc/powerpc64/multiarch/memcmp.c
>> @@ -18,6 +18,7 @@
>>
>> /* Define multiple versions only for definition in libc. */
>> #if IS_IN (libc)
>> +# define memcmp __redirect_memcmp
>> # include <string.h>
>> # include <shlib-compat.h>
>> # include "init-arch.h"
>> @@ -25,15 +26,18 @@
>> extern __typeof (memcmp) __memcmp_ppc attribute_hidden;
>> extern __typeof (memcmp) __memcmp_power4 attribute_hidden;
>> extern __typeof (memcmp) __memcmp_power7 attribute_hidden;
>> +extern __typeof (memcmp) __libc_memcmp;
>> +# undef memcmp
>>
>> /* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle
>> ifunc symbol properly. */
>> -libc_ifunc (memcmp,
>> +libc_ifunc (__libc_memcmp,
>> (hwcap & PPC_FEATURE_HAS_VSX)
>> ? __memcmp_power7 :
>> (hwcap & PPC_FEATURE_POWER4)
>> ? __memcmp_power4
>> : __memcmp_ppc);
>> +strong_alias (__libc_memcmp, memcmp);
>> #else
>> #include <string/memcmp.c>
>> #endif
>> diff --git a/sysdeps/powerpc/powerpc64/multiarch/mempcpy.c
>> b/sysdeps/powerpc/powerpc64/multiarch/mempcpy.c
>> index 3c77b5f..9b5dec9 100644
>> --- a/sysdeps/powerpc/powerpc64/multiarch/mempcpy.c
>> +++ b/sysdeps/powerpc/powerpc64/multiarch/mempcpy.c
>> @@ -17,23 +17,30 @@
>> <http://www.gnu.org/licenses/>. */
>>
>> #if IS_IN (libc)
>> +# define mempcpy __redirect_mempcpy
>> +# define __mempcpy __redirect___mempcpy
>> # define NO_MEMPCPY_STPCPY_REDIRECT
>> +/* Omit the mempcpy inline definitions because it would redefine
>> mempcpy. */
>> +# define _HAVE_STRING_ARCH_mempcpy 1
>> # include <string.h>
>> # include <shlib-compat.h>
>> # include "init-arch.h"
>>
>> extern __typeof (__mempcpy) __mempcpy_ppc attribute_hidden;
>> extern __typeof (__mempcpy) __mempcpy_power7 attribute_hidden;
>> +extern __typeof (__mempcpy) __libc___mempcpy;
>> +# undef mempcpy
>> +# undef __mempcpy
>>
>> /* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle
>> ifunc symbol properly. */
>> -libc_ifunc (__mempcpy,
>> +libc_ifunc (__libc___mempcpy,
>> (hwcap & PPC_FEATURE_HAS_VSX)
>> ? __mempcpy_power7
>> : __mempcpy_ppc);
>>
>> -weak_alias (__mempcpy, mempcpy)
>> -libc_hidden_def (mempcpy)
>> +strong_alias (__libc___mempcpy, __mempcpy)
>> +weak_alias (__libc___mempcpy, mempcpy)
>> #else
>> # include <string/mempcpy.c>
>> #endif
>> diff --git a/sysdeps/powerpc/powerpc64/multiarch/rawmemchr.c
>> b/sysdeps/powerpc/powerpc64/multiarch/rawmemchr.c
>> index f06030e..f31bd55 100644
>> --- a/sysdeps/powerpc/powerpc64/multiarch/rawmemchr.c
>> +++ b/sysdeps/powerpc/powerpc64/multiarch/rawmemchr.c
>> @@ -17,21 +17,25 @@
>> <http://www.gnu.org/licenses/>. */
>>
>> #if IS_IN (libc)
>> +# define __rawmemchr __redirect___rawmemchr
>> # include <string.h>
>> # include <shlib-compat.h>
>> # include "init-arch.h"
>>
>> extern __typeof (__rawmemchr) __rawmemchr_ppc attribute_hidden;
>> extern __typeof (__rawmemchr) __rawmemchr_power7 attribute_hidden;
>> +extern __typeof (__rawmemchr) __libc___rawmemchr;
>> +# undef __rawmemchr
>>
>> /* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle
>> ifunc symbol properly. */
>> -libc_ifunc (__rawmemchr,
>> +libc_ifunc (__libc___rawmemchr,
>> (hwcap & PPC_FEATURE_HAS_VSX)
>> ? __rawmemchr_power7
>> : __rawmemchr_ppc);
>>
>> -weak_alias (__rawmemchr, rawmemchr)
>> +strong_alias (__libc___rawmemchr, __rawmemchr)
>> +weak_alias (__libc___rawmemchr, rawmemchr)
>> #else
>> #include <string/rawmemchr.c>
>> #endif
>> diff --git a/sysdeps/powerpc/powerpc64/multiarch/stpcpy.c
>> b/sysdeps/powerpc/powerpc64/multiarch/stpcpy.c
>> index bbc1691..3867b9e 100644
>> --- a/sysdeps/powerpc/powerpc64/multiarch/stpcpy.c
>> +++ b/sysdeps/powerpc/powerpc64/multiarch/stpcpy.c
>> @@ -34,6 +34,7 @@ libc_ifunc (__stpcpy,
>> : __stpcpy_ppc);
>>
>> weak_alias (__stpcpy, stpcpy)
>> +libc_hidden_def (__stpcpy)
>> libc_hidden_def (stpcpy)
>> #else
>> # include <string/stpcpy.c>
>> diff --git a/sysdeps/powerpc/powerpc64/multiarch/stpncpy.c
>> b/sysdeps/powerpc/powerpc64/multiarch/stpncpy.c
>> index b1484b1..b5c7457 100644
>> --- a/sysdeps/powerpc/powerpc64/multiarch/stpncpy.c
>> +++ b/sysdeps/powerpc/powerpc64/multiarch/stpncpy.c
>> @@ -17,6 +17,8 @@
>> <http://www.gnu.org/licenses/>. */
>>
>> #if IS_IN (libc)
>> +# define stpncpy __redirect_stpncpy
>> +# define __stpncpy __redirect___stpncpy
>> # include <string.h>
>> # include <shlib-compat.h>
>> # include "init-arch.h"
>> @@ -24,13 +26,17 @@
>> extern __typeof (__stpncpy) __stpncpy_ppc attribute_hidden;
>> extern __typeof (__stpncpy) __stpncpy_power7 attribute_hidden;
>> extern __typeof (__stpncpy) __stpncpy_power8 attribute_hidden;
>> +extern __typeof (__stpncpy) __libc___stpncpy;
>> +# undef stpncpy
>> +# undef __stpncpy
>>
>> -libc_ifunc (__stpncpy,
>> +libc_ifunc (__libc___stpncpy,
>> (hwcap2 & PPC_FEATURE2_ARCH_2_07)
>> ? __stpncpy_power8 :
>> (hwcap & PPC_FEATURE_HAS_VSX)
>> ? __stpncpy_power7
>> : __stpncpy_ppc);
>>
>> -weak_alias (__stpncpy, stpncpy)
>> +strong_alias (__libc___stpncpy, __stpncpy)
>> +weak_alias (__libc___stpncpy, stpncpy)
>> #endif
>> diff --git a/sysdeps/powerpc/powerpc64/multiarch/strcat.c
>> b/sysdeps/powerpc/powerpc64/multiarch/strcat.c
>> index a2894ae..b4fd540 100644
>> --- a/sysdeps/powerpc/powerpc64/multiarch/strcat.c
>> +++ b/sysdeps/powerpc/powerpc64/multiarch/strcat.c
>> @@ -17,6 +17,7 @@
>> <http://www.gnu.org/licenses/>. */
>>
>> #if IS_IN (libc)
>> +# define strcat __redirect_strcat
>> # include <string.h>
>> # include <shlib-compat.h>
>> # include "init-arch.h"
>> @@ -24,11 +25,14 @@
>> extern __typeof (strcat) __strcat_ppc attribute_hidden;
>> extern __typeof (strcat) __strcat_power7 attribute_hidden;
>> extern __typeof (strcat) __strcat_power8 attribute_hidden;
>> +extern __typeof (strcat) __libc_strcat;
>> +# undef strcat
>>
>> -libc_ifunc (strcat,
>> +libc_ifunc (__libc_strcat,
>> (hwcap2 & PPC_FEATURE2_ARCH_2_07)
>> ? __strcat_power8 :
>> (hwcap & PPC_FEATURE_HAS_VSX)
>> ? __strcat_power7
>> : __strcat_ppc);
>> +strong_alias (__libc_strcat, strcat)
>> #endif
>> diff --git a/sysdeps/powerpc/powerpc64/multiarch/strchr.c
>> b/sysdeps/powerpc/powerpc64/multiarch/strchr.c
>> index 2cfde63..87284f9 100644
>> --- a/sysdeps/powerpc/powerpc64/multiarch/strchr.c
>> +++ b/sysdeps/powerpc/powerpc64/multiarch/strchr.c
>> @@ -18,18 +18,24 @@
>>
>> /* Define multiple versions only for definition in libc. */
>> #if defined SHARED && IS_IN (libc)
>> +# define strchr __redirect_strchr
>> +/* Omit the strchr inline definitions because it would redefine
>> strchr. */
>> +# define __NO_STRING_INLINES
>> # include <string.h>
>> # include <shlib-compat.h>
>> # include "init-arch.h"
>>
>> extern __typeof (strchr) __strchr_ppc attribute_hidden;
>> extern __typeof (strchr) __strchr_power7 attribute_hidden;
>> +extern __typeof (strchr) __libc_strchr;
>> +# undef strchr
>>
>> /* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle
>> ifunc symbol properly. */
>> -libc_ifunc (strchr,
>> +libc_ifunc (__libc_strchr,
>> (hwcap & PPC_FEATURE_HAS_VSX)
>> ? __strchr_power7
>> : __strchr_ppc);
>> -weak_alias (strchr, index)
>> +strong_alias (__libc_strchr, strchr)
>> +weak_alias (__libc_strchr, index)
>> #endif
>> diff --git a/sysdeps/powerpc/powerpc64/multiarch/strcmp.c
>> b/sysdeps/powerpc/powerpc64/multiarch/strcmp.c
>> index aee888a..32ab75d 100644
>> --- a/sysdeps/powerpc/powerpc64/multiarch/strcmp.c
>> +++ b/sysdeps/powerpc/powerpc64/multiarch/strcmp.c
>> @@ -17,6 +17,9 @@
>> <http://www.gnu.org/licenses/>. */
>>
>> #if defined SHARED && IS_IN (libc)
>> +# define strcmp __redirect_strcmp
>> +/* Omit the strcmp inline definitions because it would redefine
>> strcmp. */
>> +# define __NO_STRING_INLINES
>> # include <string.h>
>> # include <shlib-compat.h>
>> # include "init-arch.h"
>> @@ -24,11 +27,14 @@
>> extern __typeof (strcmp) __strcmp_ppc attribute_hidden;
>> extern __typeof (strcmp) __strcmp_power7 attribute_hidden;
>> extern __typeof (strcmp) __strcmp_power8 attribute_hidden;
>> +extern __typeof (strcmp) __libc_strcmp;
>> +# undef strcmp
>>
>> -libc_ifunc (strcmp,
>> +libc_ifunc (__libc_strcmp,
>> (hwcap2 & PPC_FEATURE2_ARCH_2_07)
>> ? __strcmp_power8 :
>> (hwcap & PPC_FEATURE_HAS_VSX)
>> ? __strcmp_power7
>> : __strcmp_ppc);
>> +strong_alias (__libc_strcmp, strcmp)
>> #endif
>> diff --git a/sysdeps/powerpc/powerpc64/multiarch/strcpy.c
>> b/sysdeps/powerpc/powerpc64/multiarch/strcpy.c
>> index d2c3858..31d6c92 100644
>> --- a/sysdeps/powerpc/powerpc64/multiarch/strcpy.c
>> +++ b/sysdeps/powerpc/powerpc64/multiarch/strcpy.c
>> @@ -17,6 +17,7 @@
>> <http://www.gnu.org/licenses/>. */
>>
>> #if defined SHARED && IS_IN (libc)
>> +# define strcpy __redirect_strcpy
>> # include <string.h>
>> # include <shlib-compat.h>
>> # include "init-arch.h"
>> @@ -24,11 +25,14 @@
>> extern __typeof (strcpy) __strcpy_ppc attribute_hidden;
>> extern __typeof (strcpy) __strcpy_power7 attribute_hidden;
>> extern __typeof (strcpy) __strcpy_power8 attribute_hidden;
>> +extern __typeof (strcpy) __libc_strcpy;
>> +#undef strcpy
>>
>> -libc_ifunc (strcpy,
>> +libc_ifunc (__libc_strcpy,
>> (hwcap2 & PPC_FEATURE2_ARCH_2_07)
>> ? __strcpy_power8 :
>> (hwcap & PPC_FEATURE_HAS_VSX)
>> ? __strcpy_power7
>> : __strcpy_ppc);
>> +strong_alias (__libc_strcpy, strcpy)
>> #endif
>> diff --git a/sysdeps/powerpc/powerpc64/multiarch/strncmp.c
>> b/sysdeps/powerpc/powerpc64/multiarch/strncmp.c
>> index 1eb6e51..5a70c8e 100644
>> --- a/sysdeps/powerpc/powerpc64/multiarch/strncmp.c
>> +++ b/sysdeps/powerpc/powerpc64/multiarch/strncmp.c
>> @@ -18,6 +18,9 @@
>>
>> /* Define multiple versions only for definition in libc. */
>> #if defined SHARED && IS_IN (libc)
>> +# define strncmp __redirect_strncmp
>> +/* Omit the strncmp inline definitions because it would redefine
>> strncmp. */
>> +# define __NO_STRING_INLINES
>> # include <string.h>
>> # include <shlib-compat.h>
>> # include "init-arch.h"
>> @@ -26,10 +29,12 @@ extern __typeof (strncmp) __strncmp_ppc
>> attribute_hidden;
>> extern __typeof (strncmp) __strncmp_power4 attribute_hidden;
>> extern __typeof (strncmp) __strncmp_power7 attribute_hidden;
>> extern __typeof (strncmp) __strncmp_power8 attribute_hidden;
>> +extern __typeof (strncmp) __libc_strncmp;
>> +# undef strncmp
>>
>> /* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle
>> ifunc symbol properly. */
>> -libc_ifunc (strncmp,
>> +libc_ifunc (__libc_strncmp,
>> (hwcap2 & PPC_FEATURE2_ARCH_2_07)
>> ? __strncmp_power8 :
>> (hwcap & PPC_FEATURE_HAS_VSX)
>> @@ -37,4 +42,5 @@ libc_ifunc (strncmp,
>> (hwcap & PPC_FEATURE_POWER4)
>> ? __strncmp_power4
>> : __strncmp_ppc);
>> +strong_alias (__libc_strncmp, strncmp)
>> #endif
>> diff --git a/sysdeps/powerpc/powerpc64/multiarch/strncpy.c
>> b/sysdeps/powerpc/powerpc64/multiarch/strncpy.c
>> index 0176514..2914e96 100644
>> --- a/sysdeps/powerpc/powerpc64/multiarch/strncpy.c
>> +++ b/sysdeps/powerpc/powerpc64/multiarch/strncpy.c
>> @@ -18,6 +18,9 @@
>>
>> /* Define multiple versions only for definition in libc. */
>> #if IS_IN (libc)
>> +# define strncpy __redirect_strncpy
>> +/* Omit the strncpy inline definitions because it would redefine
>> strncpy. */
>> +# define __NO_STRING_INLINES
>> # include <string.h>
>> # include <shlib-compat.h>
>> # include "init-arch.h"
>> @@ -25,14 +28,16 @@
>> extern __typeof (strncpy) __strncpy_ppc attribute_hidden;
>> extern __typeof (strncpy) __strncpy_power7 attribute_hidden;
>> extern __typeof (strncpy) __strncpy_power8 attribute_hidden;
>> +extern __typeof (strncpy) __libc___strncpy;
>> +# undef strncpy
>>
>> /* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle
>> ifunc symbol properly. */
>> -libc_ifunc (strncpy,
>> +libc_ifunc (__libc___strncpy,
>> (hwcap2 & PPC_FEATURE2_ARCH_2_07)
>> ? __strncpy_power8 :
>> (hwcap & PPC_FEATURE_HAS_VSX)
>> ? __strncpy_power7
>> : __strncpy_ppc);
>> -
>> +strong_alias (__libc___strncpy, strncpy)
>> #endif
>> diff --git a/sysdeps/powerpc/powerpc64/multiarch/strnlen.c
>> b/sysdeps/powerpc/powerpc64/multiarch/strnlen.c
>> index c4907e9..8a27746 100644
>> --- a/sysdeps/powerpc/powerpc64/multiarch/strnlen.c
>> +++ b/sysdeps/powerpc/powerpc64/multiarch/strnlen.c
>> @@ -17,19 +17,24 @@
>> <http://www.gnu.org/licenses/>. */
>>
>> #if IS_IN (libc)
>> +# define strnlen __redirect_strnlen
>> +# define __strnlen __redirect___strnlen
>> # include <string.h>
>> # include <shlib-compat.h>
>> # include "init-arch.h"
>>
>> extern __typeof (__strnlen) __strnlen_ppc attribute_hidden;
>> extern __typeof (__strnlen) __strnlen_power7 attribute_hidden;
>> +extern __typeof (__strnlen) __libc___strnlen;
>> +# undef strnlen
>> +# undef __strnlen
>>
>> -libc_ifunc (__strnlen,
>> +libc_ifunc (__libc___strnlen,
>> (hwcap & PPC_FEATURE_HAS_VSX)
>> ? __strnlen_power7
>> : __strnlen_ppc);
>> -weak_alias (__strnlen, strnlen)
>> -libc_hidden_def (strnlen)
>> +strong_alias (__libc___strnlen, __strnlen)
>> +weak_alias (__libc___strnlen, strnlen)
>>
>> #else
>> #include <string/strnlen.c>
>> diff --git a/sysdeps/powerpc/powerpc64/multiarch/strrchr.c
>> b/sysdeps/powerpc/powerpc64/multiarch/strrchr.c
>> index 45742bc..bbbc477 100644
>> --- a/sysdeps/powerpc/powerpc64/multiarch/strrchr.c
>> +++ b/sysdeps/powerpc/powerpc64/multiarch/strrchr.c
>> @@ -18,18 +18,22 @@
>>
>> /* Define multiple versions only for definition in libc. */
>> #if IS_IN (libc)
>> +# define strrchr __redirect_strrchr
>> # include <string.h>
>> # include <shlib-compat.h>
>> # include "init-arch.h"
>>
>> extern __typeof (strrchr) __strrchr_ppc attribute_hidden;
>> extern __typeof (strrchr) __strrchr_power7 attribute_hidden;
>> +extern __typeof (strrchr) __libc_strrchr;
>> +#undef strrchr
>>
>> /* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle
>> ifunc symbol properly. */
>> -libc_ifunc (strrchr,
>> +libc_ifunc (__libc_strrchr,
>> (hwcap & PPC_FEATURE_HAS_VSX)
>> ? __strrchr_power7
>> : __strrchr_ppc);
>> -weak_alias (strrchr, rindex)
>> +strong_alias (__libc_strrchr, strrchr)
>> +weak_alias (__libc_strrchr, rindex)
>> #endif
>> diff --git a/sysdeps/powerpc/powerpc64/multiarch/strstr.c
>> b/sysdeps/powerpc/powerpc64/multiarch/strstr.c
>> index 7efc4b0..afde4de 100644
>> --- a/sysdeps/powerpc/powerpc64/multiarch/strstr.c
>> +++ b/sysdeps/powerpc/powerpc64/multiarch/strstr.c
>> @@ -18,17 +18,21 @@
>>
>> /* Define multiple versions only for definition in libc. */
>> #if IS_IN (libc)
>> +# define strstr __redirect_strstr
>> # include <string.h>
>> # include <shlib-compat.h>
>> # include "init-arch.h"
>>
>> extern __typeof (strstr) __strstr_ppc attribute_hidden;
>> extern __typeof (strstr) __strstr_power7 attribute_hidden;
>> +extern __typeof (strstr) __libc_strstr;
>> +# undef strstr
>>
>> /* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle
>> ifunc symbol properly. */
>> -libc_ifunc (strstr,
>> +libc_ifunc (__libc_strstr,
>> (hwcap & PPC_FEATURE_HAS_VSX)
>> ? __strstr_power7
>> : __strstr_ppc);
>> +strong_alias (__libc_strstr, strstr)
>> #endif
>> diff --git a/sysdeps/powerpc/powerpc64/multiarch/wcschr.c
>> b/sysdeps/powerpc/powerpc64/multiarch/wcschr.c
>> index 44c9b97..3d12a6e 100644
>> --- a/sysdeps/powerpc/powerpc64/multiarch/wcschr.c
>> +++ b/sysdeps/powerpc/powerpc64/multiarch/wcschr.c
>> @@ -17,6 +17,8 @@
>> <http://www.gnu.org/licenses/>. */
>>
>> #if IS_IN (libc)
>> +# define wcschr __redirect_wcschr
>> +# define __wcschr __redirect___wcschr
>> # include <wchar.h>
>> # include <shlib-compat.h>
>> # include "init-arch.h"
>> @@ -24,15 +26,18 @@
>> extern __typeof (wcschr) __wcschr_ppc attribute_hidden;
>> extern __typeof (wcschr) __wcschr_power6 attribute_hidden;
>> extern __typeof (wcschr) __wcschr_power7 attribute_hidden;
>> +extern __typeof (wcschr) __libc___wcschr;
>> +# undef wcschr
>> +# undef __wcschr
>>
>> -libc_ifunc (__wcschr,
>> +libc_ifunc (__libc___wcschr,
>> (hwcap & PPC_FEATURE_HAS_VSX)
>> ? __wcschr_power7 :
>> (hwcap & PPC_FEATURE_ARCH_2_05)
>> ? __wcschr_power6
>> : __wcschr_ppc);
>> -weak_alias (__wcschr, wcschr)
>> -libc_hidden_builtin_def (wcschr)
>> +strong_alias (__libc___wcschr, __wcschr)
>> +weak_alias (__libc___wcschr, wcschr)
>> #else
>> #undef libc_hidden_def
>> #define libc_hidden_def(a)
>>
>
>
More information about the Libc-alpha
mailing list