From cd42798aef204592b0165bcfacef975ff3ce2973 Mon Sep 17 00:00:00 2001 From: Joseph Myers Date: Tue, 6 Jan 2015 23:36:20 +0000 Subject: Fix libm fesetenv namespace (bug 17748). Continuing the fixes for C90 libm functions calling C99 fe* functions, this patch fixes the case of fesetenv by making it a weak alias of __fesetenv and making the affected code (including various copies of feupdateenv which also gets called from C90 functions) call __fesetenv. Tested for x86_64 (testsuite, and that disassembly of installed shared libraries is unchanged by the patch). Also tested for ARM (soft-float) that fesetenv failures disappear from the linknamespace test results (fsetround and feupdateenv remain to be addressed to complete fixing bug 17748). [BZ #17748] * include/fenv.h (__fesetenv): Use libm_hidden_proto. * math/fesetenv.c (__fesetenv): Use libm_hidden_def. * sysdeps/aarch64/fpu/fesetenv.c (fesetenv): Rename to __fesetenv and define as weak alias of __fesetenv. Use libm_hidden_weak. * sysdeps/alpha/fpu/fesetenv.c (__fesetenv): Use libm_hidden_def. * sysdeps/arm/fesetenv.c (fesetenv): Rename to __fesetenv and define as weak alias of __fesetenv. Use libm_hidden_weak. * sysdeps/hppa/fpu/fesetenv.c (fesetenv): Likewise. * sysdeps/i386/fpu/fesetenv.c (__fesetenv): Use libm_hidden_def. * sysdeps/ia64/fpu/fesetenv.c (fesetenv): Rename to __fesetenv and define as weak alias of __fesetenv. Use libm_hidden_weak. * sysdeps/m68k/fpu/fesetenv.c (__fesetenv): Use libm_hidden_def. * sysdeps/mips/fpu/fesetenv.c (fesetenv): Rename to __fesetenv and define as weak alias of __fesetenv. Use libm_hidden_weak. * sysdeps/powerpc/fpu/fesetenv.c (__fesetenv): Use libm_hidden_def. * sysdeps/powerpc/nofpu/fesetenv.c (__fesetenv): Likewise. * sysdeps/powerpc/powerpc32/e500/nofpu/fesetenv.c (__fesetenv): Likewise. * sysdeps/s390/fpu/fesetenv.c (fesetenv): Rename to __fesetenv and define as weak alias of __fesetenv. Use libm_hidden_weak. * sysdeps/sh/sh4/fpu/fesetenv.c (fesetenv): Likewise. * sysdeps/sparc/fpu/fesetenv.c (__fesetenv): Use libm_hidden_def. * sysdeps/tile/math_private.h (__fesetenv): New inline function. * sysdeps/x86_64/fpu/fesetenv.c (fesetenv): Rename to __fesetenv and define as weak alias of __fesetenv. Use libm_hidden_weak. * sysdeps/generic/math_private.h (default_libc_fesetenv): Use __fesetenv instead of fesetenv. (libc_feresetround_noex_ctx): Likewise. * sysdeps/alpha/fpu/feupdateenv.c (__feupdateenv): Likewise. * sysdeps/hppa/fpu/feupdateenv.c (feupdateenv): Likewise. * sysdeps/i386/fpu/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/nofpu/feupdateenv.c (__feupdateenv): Likewise. * sysdeps/powerpc/powerpc32/e500/nofpu/feupdateenv.c (__feupdateenv): Likewise. * sysdeps/s390/fpu/feupdateenv.c (feupdateenv): Likewise. * sysdeps/sh/sh4/fpu/feupdateenv.c (feupdateenv): Likewise. * sysdeps/sparc/fpu/feupdateenv.c (__feupdateenv): Likewise. * sysdeps/x86_64/fpu/feupdateenv.c (__feupdateenv): Likewise. --- ChangeLog | 46 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) (limited to 'ChangeLog') diff --git a/ChangeLog b/ChangeLog index cb65294dc6..a17679b415 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,49 @@ +2015-01-06 Joseph Myers + + [BZ #17748] + * include/fenv.h (__fesetenv): Use libm_hidden_proto. + * math/fesetenv.c (__fesetenv): Use libm_hidden_def. + * sysdeps/aarch64/fpu/fesetenv.c (fesetenv): Rename to __fesetenv + and define as weak alias of __fesetenv. Use libm_hidden_weak. + * sysdeps/alpha/fpu/fesetenv.c (__fesetenv): Use libm_hidden_def. + * sysdeps/arm/fesetenv.c (fesetenv): Rename to __fesetenv and + define as weak alias of __fesetenv. Use libm_hidden_weak. + * sysdeps/hppa/fpu/fesetenv.c (fesetenv): Likewise. + * sysdeps/i386/fpu/fesetenv.c (__fesetenv): Use libm_hidden_def. + * sysdeps/ia64/fpu/fesetenv.c (fesetenv): Rename to __fesetenv and + define as weak alias of __fesetenv. Use libm_hidden_weak. + * sysdeps/m68k/fpu/fesetenv.c (__fesetenv): Use libm_hidden_def. + * sysdeps/mips/fpu/fesetenv.c (fesetenv): Rename to __fesetenv and + define as weak alias of __fesetenv. Use libm_hidden_weak. + * sysdeps/powerpc/fpu/fesetenv.c (__fesetenv): Use + libm_hidden_def. + * sysdeps/powerpc/nofpu/fesetenv.c (__fesetenv): Likewise. + * sysdeps/powerpc/powerpc32/e500/nofpu/fesetenv.c (__fesetenv): + Likewise. + * sysdeps/s390/fpu/fesetenv.c (fesetenv): Rename to __fesetenv and + define as weak alias of __fesetenv. Use libm_hidden_weak. + * sysdeps/sh/sh4/fpu/fesetenv.c (fesetenv): Likewise. + * sysdeps/sparc/fpu/fesetenv.c (__fesetenv): Use libm_hidden_def. + * sysdeps/tile/math_private.h (__fesetenv): New inline function. + * sysdeps/x86_64/fpu/fesetenv.c (fesetenv): Rename to __fesetenv + and define as weak alias of __fesetenv. Use libm_hidden_weak. + * sysdeps/generic/math_private.h (default_libc_fesetenv): Use + __fesetenv instead of fesetenv. + (libc_feresetround_noex_ctx): Likewise. + * sysdeps/alpha/fpu/feupdateenv.c (__feupdateenv): Likewise. + * sysdeps/hppa/fpu/feupdateenv.c (feupdateenv): Likewise. + * sysdeps/i386/fpu/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/nofpu/feupdateenv.c (__feupdateenv): Likewise. + * sysdeps/powerpc/powerpc32/e500/nofpu/feupdateenv.c + (__feupdateenv): Likewise. + * sysdeps/s390/fpu/feupdateenv.c (feupdateenv): Likewise. + * sysdeps/sh/sh4/fpu/feupdateenv.c (feupdateenv): Likewise. + * sysdeps/sparc/fpu/feupdateenv.c (__feupdateenv): Likewise. + * sysdeps/x86_64/fpu/feupdateenv.c (__feupdateenv): Likewise. + 2015-01-06 Aurelien Jarno [BZ #17806] -- cgit v1.2.3