diff options
| -rw-r--r-- | Makeconfig | 3 | ||||
| -rw-r--r-- | include/stdio.h | 1 | ||||
| -rw-r--r-- | stdio-common/Makefile | 20 | ||||
| -rw-r--r-- | stdio-common/err_map.h | 24 | ||||
| -rw-r--r-- | stdio-common/errlist-compat-data.h | 1 | ||||
| -rw-r--r-- | stdio-common/errlist-compat.c | 1 | ||||
| -rw-r--r-- | stdio-common/errlist-data-gen.c | 34 | ||||
| -rw-r--r-- | stdio-common/errlist-data.S | 7 | ||||
| -rw-r--r-- | stdio-common/errlist.c | 20 | ||||
| -rw-r--r-- | sysdeps/mach/hurd/err_map.h (renamed from sysdeps/mach/hurd/errlist.c) | 9 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/alpha/errlist-compat-data.h (renamed from sysdeps/unix/sysv/linux/alpha/errlist-compat.c) | 0 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/errlist-compat-data.h (renamed from sysdeps/unix/sysv/linux/errlist-compat.c) | 0 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/errlist-compat.h | 33 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/hppa/errlist-compat-data.h (renamed from sysdeps/unix/sysv/linux/hppa/errlist-compat.c) | 0 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/mips/errlist-compat-data.h (renamed from sysdeps/unix/sysv/linux/mips/errlist-compat.c) | 0 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/sparc/errlist-compat-data.h (renamed from sysdeps/unix/sysv/linux/sparc/errlist-compat.c) | 0 |
16 files changed, 120 insertions, 33 deletions
diff --git a/Makeconfig b/Makeconfig index 760f14e92f..b5aa07c4f4 100644 --- a/Makeconfig +++ b/Makeconfig @@ -1030,7 +1030,8 @@ ifeq (yes,$(build-shared)) # Under --enable-shared, we will build a shared library of PIC objects. # The PIC object files are named foo.os. object-suffixes += .os -CPPFLAGS-.os = -DPIC -DSHARED +pic-cppflags = -DPIC -DSHARED +CPPFLAGS-.os = $(pic-cppflags) CFLAGS-.os = $(filter %frame-pointer,$(+cflags)) $(pic-ccflag) libtype.os := lib%_pic.a # This can be changed by a sysdep makefile diff --git a/include/stdio.h b/include/stdio.h index 23b7fd288c..a6f7fd43cb 100644 --- a/include/stdio.h +++ b/include/stdio.h @@ -180,6 +180,7 @@ int __vfxprintf (FILE *__fp, const char *__fmt, __gnuc_va_list, attribute_hidden; extern const char *const _sys_errlist_internal[] attribute_hidden; +extern const size_t _sys_errlist_internal_len attribute_hidden; extern const char *__get_errlist (int) attribute_hidden; extern const char *__get_errname (int) attribute_hidden; diff --git a/stdio-common/Makefile b/stdio-common/Makefile index a1603e82fe..08bc998436 100644 --- a/stdio-common/Makefile +++ b/stdio-common/Makefile @@ -88,6 +88,7 @@ routines := \ aux := \ errlist \ + errlist-data \ errname \ fxprintf \ printf-parsemb \ @@ -211,6 +212,10 @@ tests := \ xbug \ # tests +generated += \ + errlist-data-aux-shared.S \ + errlist-data-aux.S \ + # generated test-srcs = tst-unbputc tst-printf tst-printfsz-islongdouble @@ -246,6 +251,20 @@ tests-special += $(objpfx)tst-errno-manual.out include ../Rules +# The errlist.c is built in two phases because compiler might reorder the +# compat_symbol directive prior the object itself and on binutils older +# than 2.29 it might generate object sizes different than the expected ones. +$(objpfx)errlist-data-aux-shared.S: errlist-data-gen.c + $(make-target-directory) + $(compile-command.c) $(pic-cppflags) $(pic-ccflag) $(no-stack-protector) -S + +$(objpfx)errlist-data-aux.S: errlist-data-gen.c + $(make-target-directory) + $(compile-command.c) $(pie-default) $(no-stack-protector) -S + +$(objpfx)errlist-data.os: $(objpfx)errlist-data-aux-shared.S +$(objpfx)errlist-data.o: $(objpfx)errlist-data-aux.S + ifeq ($(run-built-tests),yes) LOCALES := \ de_DE.ISO-8859-1 \ @@ -334,7 +353,6 @@ CFLAGS-isoc99_vfscanf.c += -fexceptions CFLAGS-isoc99_vscanf.c += -fexceptions CFLAGS-isoc99_fscanf.c += -fexceptions CFLAGS-isoc99_scanf.c += -fexceptions -CFLAGS-errlist.c += $(fno-unit-at-a-time) CFLAGS-siglist.c += $(fno-unit-at-a-time) # scanf14a.c and scanf16a.c test a deprecated extension which is no diff --git a/stdio-common/err_map.h b/stdio-common/err_map.h new file mode 100644 index 0000000000..6cc3aa3375 --- /dev/null +++ b/stdio-common/err_map.h @@ -0,0 +1,24 @@ +/* Internal errno names mapping definition. + Copyright (C) 2022 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 + <https://www.gnu.org/licenses/>. */ + +#ifndef _ERR_MAP_H +#define _ERR_MAP_H + +#define ERR_MAP(n) (n) + +#endif diff --git a/stdio-common/errlist-compat-data.h b/stdio-common/errlist-compat-data.h new file mode 100644 index 0000000000..7c89c9a5a4 --- /dev/null +++ b/stdio-common/errlist-compat-data.h @@ -0,0 +1 @@ +/* Empty */ diff --git a/stdio-common/errlist-compat.c b/stdio-common/errlist-compat.c deleted file mode 100644 index 6e25b021ab..0000000000 --- a/stdio-common/errlist-compat.c +++ /dev/null @@ -1 +0,0 @@ -/* Empty. */ diff --git a/stdio-common/errlist-data-gen.c b/stdio-common/errlist-data-gen.c new file mode 100644 index 0000000000..db4f50e6db --- /dev/null +++ b/stdio-common/errlist-data-gen.c @@ -0,0 +1,34 @@ +/* Internal errno names mapping definition. + Copyright (C) 2022 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 + <https://www.gnu.org/licenses/>. */ + +#include <array_length.h> +#include <err_map.h> +#include <errno.h> +#include <libintl.h> +#include <stdio.h> + +const char *const _sys_errlist_internal[] = + { +#define _S(n, str) [ERR_MAP(n)] = str, +#include <errlist.h> +#undef _S + }; +const size_t _sys_errlist_internal_len = array_length (_sys_errlist_internal); + +/* Include to get the definitions for sys_nerr/_sys_nerr. */ +#include <errlist-compat-data.h> diff --git a/stdio-common/errlist-data.S b/stdio-common/errlist-data.S new file mode 100644 index 0000000000..870b3f40c9 --- /dev/null +++ b/stdio-common/errlist-data.S @@ -0,0 +1,7 @@ +#ifdef SHARED +# include "errlist-data-aux-shared.S" +#else +# include "errlist-data-aux.S" +#endif + +#include <errlist-compat-data.h> diff --git a/stdio-common/errlist.c b/stdio-common/errlist.c index 1c09a31a7a..4c0a0a218d 100644 --- a/stdio-common/errlist.c +++ b/stdio-common/errlist.c @@ -16,29 +16,17 @@ License along with the GNU C Library; if not, see <https://www.gnu.org/licenses/>. */ -#include <stdio.h> +#include <array_length.h> +#include <err_map.h> #include <errno.h> #include <libintl.h> -#include <array_length.h> - -#ifndef ERR_MAP -# define ERR_MAP(n) n -#endif - -const char *const _sys_errlist_internal[] = - { -#define _S(n, str) [ERR_MAP(n)] = str, -#include <errlist.h> -#undef _S - }; +#include <stdio.h> const char * __get_errlist (int errnum) { int mapped = ERR_MAP (errnum); - if (mapped >= 0 && mapped < array_length (_sys_errlist_internal)) + if (mapped >= 0 && mapped < _sys_errlist_internal_len) return _sys_errlist_internal[mapped]; return NULL; } - -#include <errlist-compat.c> diff --git a/sysdeps/mach/hurd/errlist.c b/sysdeps/mach/hurd/err_map.h index 2d782ffc67..22d21ca9f1 100644 --- a/sysdeps/mach/hurd/errlist.c +++ b/sysdeps/mach/hurd/err_map.h @@ -1,4 +1,5 @@ -/* Copyright (C) 1998-2022 Free Software Foundation, Inc. +/* Internal errno names mapping definition. Hurd version. + Copyright (C) 2022 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 @@ -15,7 +16,11 @@ License along with the GNU C Library; if not, see <https://www.gnu.org/licenses/>. */ +#ifndef _ERR_MAP_H +#define _ERR_MAP_H + #include <mach/error.h> #define ERR_MAP(value) err_get_code (value) -#include <stdio-common/errlist.c> + +#endif diff --git a/sysdeps/unix/sysv/linux/alpha/errlist-compat.c b/sysdeps/unix/sysv/linux/alpha/errlist-compat-data.h index 9c0ed1e23d..9c0ed1e23d 100644 --- a/sysdeps/unix/sysv/linux/alpha/errlist-compat.c +++ b/sysdeps/unix/sysv/linux/alpha/errlist-compat-data.h diff --git a/sysdeps/unix/sysv/linux/errlist-compat.c b/sysdeps/unix/sysv/linux/errlist-compat-data.h index 1a779ace92..1a779ace92 100644 --- a/sysdeps/unix/sysv/linux/errlist-compat.c +++ b/sysdeps/unix/sysv/linux/errlist-compat-data.h diff --git a/sysdeps/unix/sysv/linux/errlist-compat.h b/sysdeps/unix/sysv/linux/errlist-compat.h index a09b38f243..33008863f8 100644 --- a/sysdeps/unix/sysv/linux/errlist-compat.h +++ b/sysdeps/unix/sysv/linux/errlist-compat.h @@ -20,6 +20,7 @@ #define _ERRLIST_COMPAT_H #include <shlib-compat.h> +#include <limits.h> /* Define new compat symbols for symbols _sys_errlist, sys_errlist, _sys_nerr, and sys_nerr for version VERSION with NUMBERERR times number of @@ -27,17 +28,25 @@ Both _sys_errlist and sys_errlist alias to _sys_errlist_internal symbol (defined on errlist.c) while _sys_nerr and sys_nerr created new variable with the expected size. */ -#define DEFINE_COMPAT_ERRLIST(NUMBERERR, VERSION) \ - const int __##VERSION##_sys_nerr = NUMBERERR; \ - strong_alias (__##VERSION##_sys_nerr, __##VERSION##__sys_nerr); \ - declare_symbol_alias (__ ## VERSION ## _sys_errlist, _sys_errlist_internal,\ - object, NUMBERERR * (ULONG_WIDTH / UCHAR_WIDTH)); \ - declare_symbol_alias (__ ## VERSION ## __sys_errlist, \ - _sys_errlist_internal, object, \ - NUMBERERR * (ULONG_WIDTH / UCHAR_WIDTH)); \ - compat_symbol (libc, __## VERSION ## _sys_nerr, sys_nerr, VERSION); \ - compat_symbol (libc, __## VERSION ## __sys_nerr, _sys_nerr, VERSION); \ - compat_symbol (libc, __## VERSION ## _sys_errlist, sys_errlist, VERSION); \ - compat_symbol (libc, __## VERSION ## __sys_errlist, _sys_errlist, VERSION);\ +#ifdef __ASSEMBLER__ +# define DEFINE_COMPAT_ERRLIST(NUMBERERR, VERSION) \ + declare_object_symbol_alias (__ ## VERSION ## _sys_errlist, \ + _sys_errlist_internal, \ + NUMBERERR * (ULONG_WIDTH / UCHAR_WIDTH)) \ + ASM_LINE_SEP \ + declare_object_symbol_alias (__ ## VERSION ## __sys_errlist, \ + _sys_errlist_internal, \ + NUMBERERR * (ULONG_WIDTH / UCHAR_WIDTH)) \ + ASM_LINE_SEP \ + compat_symbol (libc, __## VERSION ## _sys_errlist, sys_errlist, VERSION) \ + ASM_LINE_SEP \ + compat_symbol (libc, __## VERSION ## __sys_errlist, _sys_errlist, VERSION) +#else +# define DEFINE_COMPAT_ERRLIST(NUMBERERR, VERSION) \ + const int __##VERSION##_sys_nerr = NUMBERERR; \ + strong_alias (__##VERSION##_sys_nerr, __##VERSION##__sys_nerr); \ + compat_symbol (libc, __## VERSION ## _sys_nerr, sys_nerr, VERSION); \ + compat_symbol (libc, __## VERSION ## __sys_nerr, _sys_nerr, VERSION); +#endif #endif diff --git a/sysdeps/unix/sysv/linux/hppa/errlist-compat.c b/sysdeps/unix/sysv/linux/hppa/errlist-compat-data.h index bb5c95c62a..bb5c95c62a 100644 --- a/sysdeps/unix/sysv/linux/hppa/errlist-compat.c +++ b/sysdeps/unix/sysv/linux/hppa/errlist-compat-data.h diff --git a/sysdeps/unix/sysv/linux/mips/errlist-compat.c b/sysdeps/unix/sysv/linux/mips/errlist-compat-data.h index 2ad8ac140c..2ad8ac140c 100644 --- a/sysdeps/unix/sysv/linux/mips/errlist-compat.c +++ b/sysdeps/unix/sysv/linux/mips/errlist-compat-data.h diff --git a/sysdeps/unix/sysv/linux/sparc/errlist-compat.c b/sysdeps/unix/sysv/linux/sparc/errlist-compat-data.h index b7a43d3be1..b7a43d3be1 100644 --- a/sysdeps/unix/sysv/linux/sparc/errlist-compat.c +++ b/sysdeps/unix/sysv/linux/sparc/errlist-compat-data.h |