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ldbl-opt: Add argp_error and argp_failure (bug 23983)

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The functions argp_error and argp_failure are missing support for
printing long double values when long double has the same format as
double.  This patch adds the new functions __nldbl_argp_error and
__nldbl_argp_failure, as well as header magic to redirect calls to them
when -mlong-double-64 is in use.

Tested for powerpc, powerpc64 and powerpc64le.
This commit is contained in:
Gabriel F. T. Gomes 2018-07-04 11:54:11 -03:00
parent c259196b50
commit 6e1f6440b9
17 changed files with 112 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
ChangeLog
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@ -1,3 +1,31 @@
2019-03-01 Gabriel F. T. Gomes <gabriel@inconstante.eti.br>
[BZ #23983]
* argp/Makefile (headers): Add bits/argp-ldbl.h.
* argp/argp.h [defined __LDBL_COMPAT]: Include bits/argp-ldbl.h.
* argp/bits/argp-ldbl.h: New file.
* include/argp.h: Include stdarg.h. Add prototypes for internal
functions: __argp_error_internal and __argp_failure_internal.
* include/bits/argp-ldbl.h: New file.
* sysdeps/ieee754/ldbl-opt/Versions (libc): Add
__nldbl_argp_error and __nldbl_argp_failure.
* sysdeps/ieee754/ldbl-opt/nldbl-compat.c: Include argp.h.
(__nldbl_argp_error, __nldbl_argp_failure): New functions.
* sysdeps/ieee754/ldbl-opt/nldbl-compat.h: Include argp.h.
Redirect argp_error and argp_failure calls.
* sysdeps/unix/sysv/linux/alpha/libc.abilist: Update.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist:
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist: Likewise.
2019-03-01 Florian Weimer <fweimer@redhat.com>
[BZ #20419]

2
argp/Makefile
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@ -22,7 +22,7 @@ subdir := argp
include ../Makeconfig
headers = argp.h
headers = argp.h bits/argp-ldbl.h
routines = $(addprefix argp-, ba fmtstream fs-xinl help parse pv \
pvh xinl eexst)

4
argp/argp.h
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@ -554,6 +554,10 @@ __NTH (__option_is_end (const struct argp_option *__opt))
# endif
#endif /* Use extern inlines. */
#ifdef __LDBL_COMPAT
# include <bits/argp-ldbl.h>
#endif
__END_DECLS
#endif /* argp.h */

24
argp/bits/argp-ldbl.h Normal file
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@ -0,0 +1,24 @@
/* Redirections for argp functions for -mlong-double-64.
Copyright (C) 2019 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#ifndef _ARGP_H
# error "Never include <bits/argp-ldbl.h> directly; use <argp.h> instead."
#endif
__LDBL_REDIR_DECL (argp_error)
__LDBL_REDIR_DECL (argp_failure)

11
include/argp.h
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@ -1,6 +1,17 @@
#ifndef _ARGP_H
#include <argp/argp.h>
/* Prototypes for internal argp.h functions. */
#include <stdarg.h>
void
__argp_error_internal (const struct argp_state *state, const char *fmt,
va_list ap, unsigned int mode_flags);
void
__argp_failure_internal (const struct argp_state *state, int status,
int errnum, const char *fmt, va_list ap,
unsigned int mode_flags);
#ifndef _ISOMAC
extern __typeof (__argp_error) __argp_error attribute_hidden;
extern __typeof (__argp_failure) __argp_failure attribute_hidden;

1
include/bits/argp-ldbl.h Normal file
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@ -0,0 +1 @@
#include <argp/bits/argp-ldbl.h>

3
sysdeps/ieee754/ldbl-opt/Versions
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@ -78,6 +78,9 @@ libc {
__nldbl___dprintf_chk; __nldbl___vdprintf_chk;
__nldbl___obstack_printf_chk; __nldbl___obstack_vprintf_chk;
}
GLIBC_2.30 {
__nldbl_argp_error; __nldbl_argp_failure;
}
}
libm {
NLDBL_VERSION {

21
sysdeps/ieee754/ldbl-opt/nldbl-compat.c
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@ -22,6 +22,7 @@
#undef __GLIBC_USE_DEPRECATED_SCANF
#define __GLIBC_USE_DEPRECATED_SCANF 1
#include <argp.h>
#include <stdarg.h>
#include <stdio.h>
#include <libio/strfile.h>
@ -990,6 +991,26 @@ __nldbl___isoc99_wscanf (const wchar_t *fmt, ...)
return ret;
}
void
__nldbl_argp_error (const struct argp_state *state, const char *fmt, ...)
{
va_list ap;
va_start (ap, fmt);
__argp_error_internal (state, fmt, ap, PRINTF_LDBL_IS_DBL);
va_end (ap);
}
void
__nldbl_argp_failure (const struct argp_state *state, int status,
int errnum, const char *fmt, ...)
{
va_list ap;
va_start (ap, fmt);
__argp_failure_internal (state, status, errnum, fmt, ap,
PRINTF_LDBL_IS_DBL);
va_end (ap);
}
#if LONG_DOUBLE_COMPAT(libc, GLIBC_2_0)
compat_symbol (libc, __nldbl__IO_printf, _IO_printf, GLIBC_2_0);
compat_symbol (libc, __nldbl__IO_sprintf, _IO_sprintf, GLIBC_2_0);

3
sysdeps/ieee754/ldbl-opt/nldbl-compat.h
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@ -26,6 +26,7 @@
/* Avoid long double prototypes. */
#define __NO_LONG_DOUBLE_MATH 1
#include <argp.h>
#include <stdarg.h>
#include <stdlib.h>
#include <stdint.h>
@ -76,6 +77,8 @@ NLDBL_DECL (__isoc99_swscanf);
NLDBL_DECL (__isoc99_vwscanf);
NLDBL_DECL (__isoc99_vfwscanf);
NLDBL_DECL (__isoc99_vswscanf);
NLDBL_DECL (argp_error);
NLDBL_DECL (argp_failure);
/* These do not exist in the normal interface, but must exist in the
__nldbl interface so that they can be called from libnldbl. */

2
sysdeps/unix/sysv/linux/alpha/libc.abilist
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@ -2204,6 +2204,8 @@ GLIBC_2.3.4 setipv4sourcefilter F
GLIBC_2.3.4 setsourcefilter F
GLIBC_2.3.4 xdr_quad_t F
GLIBC_2.3.4 xdr_u_quad_t F
GLIBC_2.30 __nldbl_argp_error F
GLIBC_2.30 __nldbl_argp_failure F
GLIBC_2.30 gettid F
GLIBC_2.4 _IO_fprintf F
GLIBC_2.4 _IO_printf F

2
sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist
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@ -2164,6 +2164,8 @@ GLIBC_2.3.4 siglongjmp F
GLIBC_2.3.4 swapcontext F
GLIBC_2.3.4 xdr_quad_t F
GLIBC_2.3.4 xdr_u_quad_t F
GLIBC_2.30 __nldbl_argp_error F
GLIBC_2.30 __nldbl_argp_failure F
GLIBC_2.30 gettid F
GLIBC_2.4 _IO_fprintf F
GLIBC_2.4 _IO_printf F

2
sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist
View File

@ -2197,6 +2197,8 @@ GLIBC_2.3.4 siglongjmp F
GLIBC_2.3.4 swapcontext F
GLIBC_2.3.4 xdr_quad_t F
GLIBC_2.3.4 xdr_u_quad_t F
GLIBC_2.30 __nldbl_argp_error F
GLIBC_2.30 __nldbl_argp_failure F
GLIBC_2.30 gettid F
GLIBC_2.4 _IO_fprintf F
GLIBC_2.4 _IO_printf F

2
sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist
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@ -2027,6 +2027,8 @@ GLIBC_2.3.4 siglongjmp F
GLIBC_2.3.4 swapcontext F
GLIBC_2.3.4 xdr_quad_t F
GLIBC_2.3.4 xdr_u_quad_t F
GLIBC_2.30 __nldbl_argp_error F
GLIBC_2.30 __nldbl_argp_failure F
GLIBC_2.30 gettid F
GLIBC_2.4 _IO_fprintf F
GLIBC_2.4 _IO_printf F

2
sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist
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@ -2231,4 +2231,6 @@ GLIBC_2.28 thrd_yield F
GLIBC_2.29 getcpu F
GLIBC_2.29 posix_spawn_file_actions_addchdir_np F
GLIBC_2.29 posix_spawn_file_actions_addfchdir_np F
GLIBC_2.30 __nldbl_argp_error F
GLIBC_2.30 __nldbl_argp_failure F
GLIBC_2.30 gettid F

2
sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist
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@ -2159,6 +2159,8 @@ GLIBC_2.3.4 setipv4sourcefilter F
GLIBC_2.3.4 setsourcefilter F
GLIBC_2.3.4 xdr_quad_t F
GLIBC_2.3.4 xdr_u_quad_t F
GLIBC_2.30 __nldbl_argp_error F
GLIBC_2.30 __nldbl_argp_failure F
GLIBC_2.30 gettid F
GLIBC_2.4 _IO_fprintf F
GLIBC_2.4 _IO_printf F

2
sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist
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@ -2063,6 +2063,8 @@ GLIBC_2.3.4 setipv4sourcefilter F
GLIBC_2.3.4 setsourcefilter F
GLIBC_2.3.4 xdr_quad_t F
GLIBC_2.3.4 xdr_u_quad_t F
GLIBC_2.30 __nldbl_argp_error F
GLIBC_2.30 __nldbl_argp_failure F
GLIBC_2.30 gettid F
GLIBC_2.4 _IO_fprintf F
GLIBC_2.4 _IO_printf F

2
sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist
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@ -2153,6 +2153,8 @@ GLIBC_2.3.4 setipv4sourcefilter F
GLIBC_2.3.4 setsourcefilter F
GLIBC_2.3.4 xdr_quad_t F
GLIBC_2.3.4 xdr_u_quad_t F
GLIBC_2.30 __nldbl_argp_error F
GLIBC_2.30 __nldbl_argp_failure F
GLIBC_2.30 gettid F
GLIBC_2.4 _IO_fprintf F
GLIBC_2.4 _IO_printf F