]> git.ipfire.org Git - thirdparty/glibc.git/commit - sysdeps/unix/sysv/linux/nios2/libm.abilist
Remove the error handling wrapper from log
authorSzabolcs Nagy <szabolcs.nagy@arm.com>
Fri, 20 Apr 2018 17:06:44 +0000 (18:06 +0100)
committerSzabolcs Nagy <szabolcs.nagy@arm.com>
Wed, 21 Nov 2018 09:56:27 +0000 (09:56 +0000)
commitf29b7c492d8a06581cf1b573b7e5907daa8c139c
tree8e78ab43bba9f0fa5f0648b97c7c40d2f37eb22e
parentc20a10561adab4aeb544e777cbb86679bd5f876d
Remove the error handling wrapper from log

Introduce new log symbol version that doesn't do SVID compatible error
handling.  The standard errno and fp exception based error handling is
inline in the new code and does not have significant overhead.

The wrapper is disabled for sysdeps/ieee754/dbl-64 by using empty
w_log.c and enabled for targets with their own log implementation by
including math/w_log.c.

The compatibility symbol version still uses the wrapper with SVID error
handling around the new code.  There is no new symbol version nor
compatibility code on !LIBM_SVID_COMPAT targets (e.g. riscv).

On targets where previously logl was an alias of log, now it points to
the compatibility symbol with the wrapper, because it still need the
SVID compatible error handling.  This affects NO_LONG_DOUBLE (e.g. arm)
and LONG_DOUBLE_COMPAT (e.g. alpha) targets as well.

The __log_finite symbol is now an alias of log.  Both __log_finite and
log set errno and thus not const functions.

The ia64 asm is changed so the compat and new symbol versions map to the
same address.

On x86_64 #include <math.h> was added before macro definitions that may
affect that header.

Tested with build-many-glibcs.py.

* math/Versions (GLIBC_2.29): Add log.
* math/w_log_compat.c (__log_compat): Change to versioned compat
symbol.
* math/w_log.c: New file.
* sysdeps/i386/fpu/w_log.c: New file.
* sysdeps/ia64/fpu/e_log.S: Update.
* sysdeps/ieee754/dbl-64/e_log.c (__ieee754_log): Rename to __log
and add necessary aliases.
* sysdeps/ieee754/dbl-64/w_log.c: New file.
* sysdeps/m68k/m680x0/fpu/w_log.c: New file.
* sysdeps/mach/hurd/i386/libm.abilist: Update.
* sysdeps/unix/sysv/linux/aarch64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/alpha/libm.abilist: Update.
* sysdeps/unix/sysv/linux/arm/libm.abilist: Update.
* sysdeps/unix/sysv/linux/hppa/libm.abilist: Update.
* sysdeps/unix/sysv/linux/i386/libm.abilist: Update.
* sysdeps/unix/sysv/linux/ia64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist: Update.
* sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist: Update.
* sysdeps/unix/sysv/linux/microblaze/libm.abilist: Update.
* sysdeps/unix/sysv/linux/mips/mips32/libm.abilist: Update.
* sysdeps/unix/sysv/linux/mips/mips64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/nios2/libm.abilist: Update.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist: Update.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist: Update.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist: Update.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist: Update.
* sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/sh/libm.abilist: Update.
* sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Update.
* sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/x86_64/64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist: Update.
* sysdeps/x86_64/fpu/multiarch/e_log-avx.c (__ieee754_log): Rename to
__log.
* sysdeps/x86_64/fpu/multiarch/e_log-fma.c (__ieee754_log): Likewise.
* sysdeps/x86_64/fpu/multiarch/e_log-fma4.c (__ieee754_log): Likewise.
* sysdeps/x86_64/fpu/multiarch/e_log.c (__ieee754_log): Likewise.
* sysdeps/x86_64/fpu/multiarch/w_log.c: New file.
38 files changed:
ChangeLog
math/Versions
math/w_log.c [new file with mode: 0644]
math/w_log_compat.c
sysdeps/i386/fpu/w_log.c [new file with mode: 0644]
sysdeps/ia64/fpu/e_log.S
sysdeps/ieee754/dbl-64/e_log.c
sysdeps/ieee754/dbl-64/w_log.c [new file with mode: 0644]
sysdeps/m68k/m680x0/fpu/w_log.c [new file with mode: 0644]
sysdeps/mach/hurd/i386/libm.abilist
sysdeps/unix/sysv/linux/aarch64/libm.abilist
sysdeps/unix/sysv/linux/alpha/libm.abilist
sysdeps/unix/sysv/linux/arm/libm.abilist
sysdeps/unix/sysv/linux/hppa/libm.abilist
sysdeps/unix/sysv/linux/i386/libm.abilist
sysdeps/unix/sysv/linux/ia64/libm.abilist
sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist
sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist
sysdeps/unix/sysv/linux/microblaze/libm.abilist
sysdeps/unix/sysv/linux/mips/mips32/libm.abilist
sysdeps/unix/sysv/linux/mips/mips64/libm.abilist
sysdeps/unix/sysv/linux/nios2/libm.abilist
sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist
sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist
sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist
sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist
sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist
sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist
sysdeps/unix/sysv/linux/sh/libm.abilist
sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist
sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist
sysdeps/unix/sysv/linux/x86_64/64/libm.abilist
sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist
sysdeps/x86_64/fpu/multiarch/e_log-avx.c
sysdeps/x86_64/fpu/multiarch/e_log-fma.c
sysdeps/x86_64/fpu/multiarch/e_log-fma4.c
sysdeps/x86_64/fpu/multiarch/e_log.c
sysdeps/x86_64/fpu/multiarch/w_log.c [new file with mode: 0644]