gcc/libgfortran/io/transfer128.c
Jakub Jelinek 1d92226be3 re PR fortran/47642 (real(kind=16) - libquadmath - segfault on amd64 FreeBSD)
PR fortran/47642
	* libquadmath.texi (quadmath_snprintf): Document.
	(quadmath_flt128tostr): Remove.
	* Makefile.am (libquadmath_la_SOURCES): Add printf/*.c.
	Remove  quadmath_io.c, gdtoa/gdtoa.c, gdtoa/g__fmt.c,
	gdtoa/g_Qfmt.c, gdtoa/dmisc.c and gdtoa/ulp.c.
	* quadmath.h (quadmath_snprintf): New prototype.
	(quadmath_flt128tostr): Remove.
	* quadmath_weak.h (quadmath_snprintf): Add.
	(quadmath_flt128tostr): Remove.
	* configure.ac: New AC_CHECK_HEADERS headers: langinfo.h, wchar.h,
	wctype.h, limits.h, ctype.h, printf.h, errno.h.
	(AC_USE_SYSTEM_EXTENSIONS): Add.
	(HAVE_HIDDEN_VISIBILITY, HAVE_PRINTF_HOOKS,
	USE_LOCALE_SUPPORT, USE_I18N_NUMBER_H): New checks.
	* quadmath.map (QUADMATH_1.0): Add quadmath_snprintf.  Remove
	quadmath_flt128tostr.
	* printf/printf_fphex.c: New file.
	* printf/_itowa.h: New file.
	* printf/mul_n.c: New file.
	* printf/quadmath-printf.h: New file.
	* printf/submul_1.c: New file.
	* printf/quadmath-printf.c: New file.
	* printf/gmp-impl.h: New file.
	* printf/lshift.c: New file.
	* printf/fpioconst.h: New file.
	* printf/add_n.c: New file.
	* printf/cmp.c: New file.
	* printf/sub_n.c: New file.
	* printf/mul.c: New file.
	* printf/divrem.c: New file.
	* printf/addmul_1.c: New file.
	* printf/printf_fp.c: New file.
	* printf/_itoa.h: New file.
	* printf/fpioconst.c: New file.
	* printf/_i18n_number.h: New file.
	* printf/flt1282mpn.c: New file.
	* printf/rshift.c: New file.
	* printf/mul_1.c: New file.
	* quadmath_io.c: Removed.
	* gdtoa/gdtoa.c: Removed.
	* gdtoa/g__fmt.c: Removed.
	* gdtoa/g_Qfmt.c: Removed.
	* gdtoa/dmisc.c: Removed.
	* gdtoa/ulp.c: Removed.
	* config.h.in: Regenerated.
	* configure: Regenerated.
	* Makefile.in: Regenerated.

	* io/write_float.def (DTOAQ): Use quadmath_snprintf instead of
	quadmath_flt128tostr.
	* io/transfer128.c (tmp2): Initialize to quadmath_snprintf instead
	of quadmath_flt128tostr.

From-SVN: r170135
2011-02-14 16:34:44 +01:00

99 lines
3.0 KiB
C

/* Copyright (C) 2010, 2011
Free Software Foundation, Inc.
This file is part of the GNU Fortran runtime library (libgfortran).
Libgfortran is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
Libgfortran is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>. */
/* Note: This file needs to be a separate translation unit (.o file)
to make sure that for static linkage, the libquad dependence only
occurs if needed. */
#include "io.h"
#if defined(GFC_REAL_16_IS_FLOAT128)
/* The prototypes for the called procedures in transfer.c. */
extern void transfer_real (st_parameter_dt *, void *, int);
export_proto(transfer_real);
extern void transfer_real_write (st_parameter_dt *, void *, int);
export_proto(transfer_real_write);
extern void transfer_complex (st_parameter_dt *, void *, int);
export_proto(transfer_complex);
extern void transfer_complex_write (st_parameter_dt *, void *, int);
export_proto(transfer_complex_write);
/* The prototypes for the procedures in this file. */
extern void transfer_real128 (st_parameter_dt *, void *, int);
export_proto(transfer_real128);
extern void transfer_real128_write (st_parameter_dt *, void *, int);
export_proto(transfer_real128_write);
extern void transfer_complex128 (st_parameter_dt *, void *, int);
export_proto(transfer_complex128);
extern void transfer_complex128_write (st_parameter_dt *, void *, int);
export_proto(transfer_complex128_write);
/* Make sure that libquadmath is pulled in. The functions strtoflt128
and quadmath_snprintf are weakly referrenced in convert_real and
write_float; the pointer assignment with USED attribute make sure
that there is a non-weakref dependence if the quadmath functions
are used. That avoids segfault when libquadmath is statically linked. */
static void __attribute__((used)) *tmp1 = strtoflt128;
static void __attribute__((used)) *tmp2 = quadmath_snprintf;
void
transfer_real128 (st_parameter_dt *dtp, void *p, int kind)
{
transfer_real (dtp, p, kind);
}
void
transfer_real128_write (st_parameter_dt *dtp, void *p, int kind)
{
transfer_real (dtp, p, kind);
}
void
transfer_complex128 (st_parameter_dt *dtp, void *p, int kind)
{
transfer_complex (dtp, p, kind);
}
void
transfer_complex128_write (st_parameter_dt *dtp, void *p, int kind)
{
transfer_complex_write (dtp, p, kind);
}
#endif