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glibc/glibc-upstream-2.34-311.patch

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Import glibc-2.34-48.fc35 from f35 * Thu Oct 13 2022 Arjun Shankar <arjun@redhat.com> - 2.34-48 - Handle non-hostname CNAME aliases during name resolution (#2129005) - Sync with upstream branch release/2.34/master, commit e3976287b22422787f3cc6fc9adda58304b55bd9: - nscd: Drop local address tuple variable [BZ #29607] - x86-64: Require BMI1/BMI2 for AVX2 strrchr and wcsrchr implementations - x86-64: Require BMI2 and LZCNT for AVX2 memrchr implementation - x86-64: Require BMI2 for AVX2 (raw|w)memchr implementations - x86-64: Require BMI2 for AVX2 wcs(n)cmp implementations - x86-64: Require BMI2 for AVX2 strncmp implementation - x86-64: Require BMI2 for AVX2 strcmp implementation - x86-64: Require BMI2 for AVX2 str(n)casecmp implementations - x86: include BMI1 and BMI2 in x86-64-v3 level - nptl: Add backoff mechanism to spinlock loop - sysdeps: Add 'get_fast_jitter' interace in fast-jitter.h - nptl: Effectively skip CAS in spinlock loop - Move assignment out of the CAS condition - Add LLL_MUTEX_READ_LOCK [BZ #28537] - Avoid extra load with CAS in __pthread_mutex_clocklock_common [BZ #28537] - Avoid extra load with CAS in __pthread_mutex_lock_full [BZ #28537] - resolv: Fix building tst-resolv-invalid-cname for earlier C standards - nss_dns: Rewrite _nss_dns_gethostbyname4_r using current interfaces - resolv: Add new tst-resolv-invalid-cname - nss_dns: In gaih_getanswer_slice, skip strange aliases (bug 12154) (#2129005) - nss_dns: Rewrite getanswer_r to match getanswer_ptr (bug 12154, bug 29305) - nss_dns: Remove remnants of IPv6 address mapping - nss_dns: Rewrite _nss_dns_gethostbyaddr2_r and getanswer_ptr - nss_dns: Split getanswer_ptr from getanswer_r - resolv: Add DNS packet parsing helpers geared towards wire format - resolv: Add internal __ns_name_length_uncompressed function - resolv: Add the __ns_samebinaryname function - resolv: Add internal __res_binary_hnok function - resolv: Add tst-resolv-aliases - resolv: Add tst-resolv-byaddr for testing reverse lookup - gconv: Use 64-bit interfaces in gconv_parseconfdir (bug 29583) - elf: Fix hwcaps string size overestimation - nscd: Fix netlink cache invalidation if epoll is used [BZ #29415] - Apply asm redirections in wchar.h before first use - Apply asm redirections in stdio.h before first use [BZ #27087] - elf: Call __libc_early_init for reused namespaces (bug 29528) Resolves: #2129005 Resolves: #2116960
2022-10-14 12:18:43 +00:00
commit b41c535f46e7e7bbd8ff2ac68b94c2348e2f66e4
Author: Raphael Moreira Zinsly <rzinsly@linux.ibm.com>
Date: Wed Aug 24 11:43:37 2022 -0300
Apply asm redirections in wchar.h before first use
Similar to d0fa09a770, but for wchar.h. Fixes [BZ #27087] by applying
all long double related asm redirections before using functions in
bits/wchar2.h.
Moves the function declarations from wcsmbs/bits/wchar2.h to a new file
wcsmbs/bits/wchar2-decl.h that will be included first in wcsmbs/wchar.h.
Tested with build-many-glibcs.py.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
(cherry picked from commit c7509d49c4e8fa494120c5ead21338559dad16f5)
diff --git a/include/bits/wchar2-decl.h b/include/bits/wchar2-decl.h
new file mode 100644
index 0000000000000000..00b1b93342ef28ff
--- /dev/null
+++ b/include/bits/wchar2-decl.h
@@ -0,0 +1 @@
+#include <wcsmbs/bits/wchar2-decl.h>
diff --git a/wcsmbs/Makefile b/wcsmbs/Makefile
index f38eb5cfe16fd3d7..5fe755e65df6c621 100644
--- a/wcsmbs/Makefile
+++ b/wcsmbs/Makefile
@@ -22,8 +22,9 @@ subdir := wcsmbs
include ../Makeconfig
-headers := wchar.h bits/wchar.h bits/wchar2.h bits/wchar-ldbl.h uchar.h \
- bits/types/__mbstate_t.h bits/types/mbstate_t.h bits/types/wint_t.h
+headers := wchar.h bits/wchar.h bits/wchar2.h bits/wchar2-decl.h \
+ bits/wchar-ldbl.h uchar.h bits/types/__mbstate_t.h \
+ bits/types/mbstate_t.h bits/types/wint_t.h
routines := wcscat wcschr wcscmp wcscpy wcscspn wcsdup wcslen wcsncat \
wcsncmp wcsncpy wcspbrk wcsrchr wcsspn wcstok wcsstr wmemchr \
diff --git a/wcsmbs/bits/wchar2-decl.h b/wcsmbs/bits/wchar2-decl.h
new file mode 100644
index 0000000000000000..8e1735c33b7f7e78
--- /dev/null
+++ b/wcsmbs/bits/wchar2-decl.h
@@ -0,0 +1,124 @@
+/* Checking macros for wchar functions. Declarations only.
+ Copyright (C) 2004-2022 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 _BITS_WCHAR2_DECL_H
+#define _BITS_WCHAR2_DECL_H 1
+
+#ifndef _WCHAR_H
+# error "Never include <bits/wchar2-decl.h> directly; use <wchar.h> instead."
+#endif
+
+
+extern wchar_t *__wmemcpy_chk (wchar_t *__restrict __s1,
+ const wchar_t *__restrict __s2, size_t __n,
+ size_t __ns1) __THROW;
+extern wchar_t *__wmemmove_chk (wchar_t *__s1, const wchar_t *__s2,
+ size_t __n, size_t __ns1) __THROW;
+
+
+#ifdef __USE_GNU
+
+extern wchar_t *__wmempcpy_chk (wchar_t *__restrict __s1,
+ const wchar_t *__restrict __s2, size_t __n,
+ size_t __ns1) __THROW;
+
+#endif
+
+
+extern wchar_t *__wmemset_chk (wchar_t *__s, wchar_t __c, size_t __n,
+ size_t __ns) __THROW;
+extern wchar_t *__wcscpy_chk (wchar_t *__restrict __dest,
+ const wchar_t *__restrict __src,
+ size_t __n) __THROW;
+extern wchar_t *__wcpcpy_chk (wchar_t *__restrict __dest,
+ const wchar_t *__restrict __src,
+ size_t __destlen) __THROW;
+extern wchar_t *__wcsncpy_chk (wchar_t *__restrict __dest,
+ const wchar_t *__restrict __src, size_t __n,
+ size_t __destlen) __THROW;
+extern wchar_t *__wcpncpy_chk (wchar_t *__restrict __dest,
+ const wchar_t *__restrict __src, size_t __n,
+ size_t __destlen) __THROW;
+extern wchar_t *__wcscat_chk (wchar_t *__restrict __dest,
+ const wchar_t *__restrict __src,
+ size_t __destlen) __THROW;
+extern wchar_t *__wcsncat_chk (wchar_t *__restrict __dest,
+ const wchar_t *__restrict __src,
+ size_t __n, size_t __destlen) __THROW;
+extern int __swprintf_chk (wchar_t *__restrict __s, size_t __n,
+ int __flag, size_t __s_len,
+ const wchar_t *__restrict __format, ...)
+ __THROW /* __attribute__ ((__format__ (__wprintf__, 5, 6))) */;
+extern int __vswprintf_chk (wchar_t *__restrict __s, size_t __n,
+ int __flag, size_t __s_len,
+ const wchar_t *__restrict __format,
+ __gnuc_va_list __arg)
+ __THROW /* __attribute__ ((__format__ (__wprintf__, 5, 0))) */;
+
+#if __USE_FORTIFY_LEVEL > 1
+
+extern int __fwprintf_chk (__FILE *__restrict __stream, int __flag,
+ const wchar_t *__restrict __format, ...);
+extern int __wprintf_chk (int __flag, const wchar_t *__restrict __format,
+ ...);
+extern int __vfwprintf_chk (__FILE *__restrict __stream, int __flag,
+ const wchar_t *__restrict __format,
+ __gnuc_va_list __ap);
+extern int __vwprintf_chk (int __flag, const wchar_t *__restrict __format,
+ __gnuc_va_list __ap);
+
+#endif
+
+extern wchar_t *__fgetws_chk (wchar_t *__restrict __s, size_t __size, int __n,
+ __FILE *__restrict __stream) __wur;
+
+#ifdef __USE_GNU
+
+extern wchar_t *__fgetws_unlocked_chk (wchar_t *__restrict __s, size_t __size,
+ int __n, __FILE *__restrict __stream)
+ __wur;
+
+#endif
+
+extern size_t __wcrtomb_chk (char *__restrict __s, wchar_t __wchar,
+ mbstate_t *__restrict __p,
+ size_t __buflen) __THROW __wur;
+extern size_t __mbsrtowcs_chk (wchar_t *__restrict __dst,
+ const char **__restrict __src,
+ size_t __len, mbstate_t *__restrict __ps,
+ size_t __dstlen) __THROW;
+extern size_t __wcsrtombs_chk (char *__restrict __dst,
+ const wchar_t **__restrict __src,
+ size_t __len, mbstate_t *__restrict __ps,
+ size_t __dstlen) __THROW;
+
+#ifdef __USE_XOPEN2K8
+
+extern size_t __mbsnrtowcs_chk (wchar_t *__restrict __dst,
+ const char **__restrict __src, size_t __nmc,
+ size_t __len, mbstate_t *__restrict __ps,
+ size_t __dstlen) __THROW;
+extern size_t __wcsnrtombs_chk (char *__restrict __dst,
+ const wchar_t **__restrict __src,
+ size_t __nwc, size_t __len,
+ mbstate_t *__restrict __ps, size_t __dstlen)
+ __THROW;
+
+#endif
+
+#endif /* bits/wchar2-decl.h. */
diff --git a/wcsmbs/bits/wchar2.h b/wcsmbs/bits/wchar2.h
index 88c1fdfcd34292f4..50151b424d85a032 100644
--- a/wcsmbs/bits/wchar2.h
+++ b/wcsmbs/bits/wchar2.h
@@ -21,9 +21,6 @@
#endif
-extern wchar_t *__wmemcpy_chk (wchar_t *__restrict __s1,
- const wchar_t *__restrict __s2, size_t __n,
- size_t __ns1) __THROW;
extern wchar_t *__REDIRECT_NTH (__wmemcpy_alias,
(wchar_t *__restrict __s1,
const wchar_t *__restrict __s2, size_t __n),
@@ -45,8 +42,6 @@ __NTH (wmemcpy (wchar_t *__restrict __s1, const wchar_t *__restrict __s2,
}
-extern wchar_t *__wmemmove_chk (wchar_t *__s1, const wchar_t *__s2,
- size_t __n, size_t __ns1) __THROW;
extern wchar_t *__REDIRECT_NTH (__wmemmove_alias, (wchar_t *__s1,
const wchar_t *__s2,
size_t __n), wmemmove);
@@ -66,9 +61,6 @@ __NTH (wmemmove (wchar_t *__s1, const wchar_t *__s2, size_t __n))
#ifdef __USE_GNU
-extern wchar_t *__wmempcpy_chk (wchar_t *__restrict __s1,
- const wchar_t *__restrict __s2, size_t __n,
- size_t __ns1) __THROW;
extern wchar_t *__REDIRECT_NTH (__wmempcpy_alias,
(wchar_t *__restrict __s1,
const wchar_t *__restrict __s2,
@@ -91,8 +83,6 @@ __NTH (wmempcpy (wchar_t *__restrict __s1, const wchar_t *__restrict __s2,
#endif
-extern wchar_t *__wmemset_chk (wchar_t *__s, wchar_t __c, size_t __n,
- size_t __ns) __THROW;
extern wchar_t *__REDIRECT_NTH (__wmemset_alias, (wchar_t *__s, wchar_t __c,
size_t __n), wmemset);
extern wchar_t *__REDIRECT_NTH (__wmemset_chk_warn,
@@ -110,9 +100,6 @@ __NTH (wmemset (wchar_t *__s, wchar_t __c, size_t __n))
}
-extern wchar_t *__wcscpy_chk (wchar_t *__restrict __dest,
- const wchar_t *__restrict __src,
- size_t __n) __THROW;
extern wchar_t *__REDIRECT_NTH (__wcscpy_alias,
(wchar_t *__restrict __dest,
const wchar_t *__restrict __src), wcscpy);
@@ -127,9 +114,6 @@ __NTH (wcscpy (wchar_t *__restrict __dest, const wchar_t *__restrict __src))
}
-extern wchar_t *__wcpcpy_chk (wchar_t *__restrict __dest,
- const wchar_t *__restrict __src,
- size_t __destlen) __THROW;
extern wchar_t *__REDIRECT_NTH (__wcpcpy_alias,
(wchar_t *__restrict __dest,
const wchar_t *__restrict __src), wcpcpy);
@@ -144,9 +128,6 @@ __NTH (wcpcpy (wchar_t *__restrict __dest, const wchar_t *__restrict __src))
}
-extern wchar_t *__wcsncpy_chk (wchar_t *__restrict __dest,
- const wchar_t *__restrict __src, size_t __n,
- size_t __destlen) __THROW;
extern wchar_t *__REDIRECT_NTH (__wcsncpy_alias,
(wchar_t *__restrict __dest,
const wchar_t *__restrict __src,
@@ -168,9 +149,6 @@ __NTH (wcsncpy (wchar_t *__restrict __dest, const wchar_t *__restrict __src,
}
-extern wchar_t *__wcpncpy_chk (wchar_t *__restrict __dest,
- const wchar_t *__restrict __src, size_t __n,
- size_t __destlen) __THROW;
extern wchar_t *__REDIRECT_NTH (__wcpncpy_alias,
(wchar_t *__restrict __dest,
const wchar_t *__restrict __src,
@@ -192,9 +170,6 @@ __NTH (wcpncpy (wchar_t *__restrict __dest, const wchar_t *__restrict __src,
}
-extern wchar_t *__wcscat_chk (wchar_t *__restrict __dest,
- const wchar_t *__restrict __src,
- size_t __destlen) __THROW;
extern wchar_t *__REDIRECT_NTH (__wcscat_alias,
(wchar_t *__restrict __dest,
const wchar_t *__restrict __src), wcscat);
@@ -209,9 +184,6 @@ __NTH (wcscat (wchar_t *__restrict __dest, const wchar_t *__restrict __src))
}
-extern wchar_t *__wcsncat_chk (wchar_t *__restrict __dest,
- const wchar_t *__restrict __src,
- size_t __n, size_t __destlen) __THROW;
extern wchar_t *__REDIRECT_NTH (__wcsncat_alias,
(wchar_t *__restrict __dest,
const wchar_t *__restrict __src,
@@ -228,10 +200,6 @@ __NTH (wcsncat (wchar_t *__restrict __dest, const wchar_t *__restrict __src,
}
-extern int __swprintf_chk (wchar_t *__restrict __s, size_t __n,
- int __flag, size_t __s_len,
- const wchar_t *__restrict __format, ...)
- __THROW /* __attribute__ ((__format__ (__wprintf__, 5, 6))) */;
extern int __REDIRECT_NTH_LDBL (__swprintf_alias,
(wchar_t *__restrict __s, size_t __n,
@@ -258,11 +226,6 @@ __NTH (swprintf (wchar_t *__restrict __s, size_t __n,
: swprintf (s, n, __VA_ARGS__))
#endif
-extern int __vswprintf_chk (wchar_t *__restrict __s, size_t __n,
- int __flag, size_t __s_len,
- const wchar_t *__restrict __format,
- __gnuc_va_list __arg)
- __THROW /* __attribute__ ((__format__ (__wprintf__, 5, 0))) */;
extern int __REDIRECT_NTH_LDBL (__vswprintf_alias,
(wchar_t *__restrict __s, size_t __n,
@@ -283,16 +246,6 @@ __NTH (vswprintf (wchar_t *__restrict __s, size_t __n,
#if __USE_FORTIFY_LEVEL > 1
-extern int __fwprintf_chk (__FILE *__restrict __stream, int __flag,
- const wchar_t *__restrict __format, ...);
-extern int __wprintf_chk (int __flag, const wchar_t *__restrict __format,
- ...);
-extern int __vfwprintf_chk (__FILE *__restrict __stream, int __flag,
- const wchar_t *__restrict __format,
- __gnuc_va_list __ap);
-extern int __vwprintf_chk (int __flag, const wchar_t *__restrict __format,
- __gnuc_va_list __ap);
-
# ifdef __va_arg_pack
__fortify_function int
wprintf (const wchar_t *__restrict __fmt, ...)
@@ -328,8 +281,6 @@ vfwprintf (__FILE *__restrict __stream,
#endif
-extern wchar_t *__fgetws_chk (wchar_t *__restrict __s, size_t __size, int __n,
- __FILE *__restrict __stream) __wur;
extern wchar_t *__REDIRECT (__fgetws_alias,
(wchar_t *__restrict __s, int __n,
__FILE *__restrict __stream), fgetws) __wur;
@@ -351,9 +302,6 @@ fgetws (wchar_t *__restrict __s, int __n, __FILE *__restrict __stream)
}
#ifdef __USE_GNU
-extern wchar_t *__fgetws_unlocked_chk (wchar_t *__restrict __s, size_t __size,
- int __n, __FILE *__restrict __stream)
- __wur;
extern wchar_t *__REDIRECT (__fgetws_unlocked_alias,
(wchar_t *__restrict __s, int __n,
__FILE *__restrict __stream), fgetws_unlocked)
@@ -379,9 +327,6 @@ fgetws_unlocked (wchar_t *__restrict __s, int __n, __FILE *__restrict __stream)
#endif
-extern size_t __wcrtomb_chk (char *__restrict __s, wchar_t __wchar,
- mbstate_t *__restrict __p,
- size_t __buflen) __THROW __wur;
extern size_t __REDIRECT_NTH (__wcrtomb_alias,
(char *__restrict __s, wchar_t __wchar,
mbstate_t *__restrict __ps), wcrtomb) __wur;
@@ -404,10 +349,6 @@ __NTH (wcrtomb (char *__restrict __s, wchar_t __wchar,
}
-extern size_t __mbsrtowcs_chk (wchar_t *__restrict __dst,
- const char **__restrict __src,
- size_t __len, mbstate_t *__restrict __ps,
- size_t __dstlen) __THROW;
extern size_t __REDIRECT_NTH (__mbsrtowcs_alias,
(wchar_t *__restrict __dst,
const char **__restrict __src,
@@ -431,10 +372,6 @@ __NTH (mbsrtowcs (wchar_t *__restrict __dst, const char **__restrict __src,
}
-extern size_t __wcsrtombs_chk (char *__restrict __dst,
- const wchar_t **__restrict __src,
- size_t __len, mbstate_t *__restrict __ps,
- size_t __dstlen) __THROW;
extern size_t __REDIRECT_NTH (__wcsrtombs_alias,
(char *__restrict __dst,
const wchar_t **__restrict __src,
@@ -458,10 +395,6 @@ __NTH (wcsrtombs (char *__restrict __dst, const wchar_t **__restrict __src,
#ifdef __USE_XOPEN2K8
-extern size_t __mbsnrtowcs_chk (wchar_t *__restrict __dst,
- const char **__restrict __src, size_t __nmc,
- size_t __len, mbstate_t *__restrict __ps,
- size_t __dstlen) __THROW;
extern size_t __REDIRECT_NTH (__mbsnrtowcs_alias,
(wchar_t *__restrict __dst,
const char **__restrict __src, size_t __nmc,
@@ -485,11 +418,6 @@ __NTH (mbsnrtowcs (wchar_t *__restrict __dst, const char **__restrict __src,
}
-extern size_t __wcsnrtombs_chk (char *__restrict __dst,
- const wchar_t **__restrict __src,
- size_t __nwc, size_t __len,
- mbstate_t *__restrict __ps, size_t __dstlen)
- __THROW;
extern size_t __REDIRECT_NTH (__wcsnrtombs_alias,
(char *__restrict __dst,
const wchar_t **__restrict __src,
diff --git a/wcsmbs/wchar.h b/wcsmbs/wchar.h
index 075776890f214842..1c6d4026c46b7306 100644
--- a/wcsmbs/wchar.h
+++ b/wcsmbs/wchar.h
@@ -864,14 +864,21 @@ extern size_t wcsftime_l (wchar_t *__restrict __s, size_t __maxsize,
/* Define some macros helping to catch buffer overflows. */
#if __USE_FORTIFY_LEVEL > 0 && defined __fortify_function
-# include <bits/wchar2.h>
+/* Declare all functions from bits/wchar2-decl.h first. */
+# include <bits/wchar2-decl.h>
#endif
-#include <bits/floatn.h>
+/* The following headers provide asm redirections. These redirections must
+ appear before the first usage of these functions, e.g. in bits/wchar.h. */
#if defined __LDBL_COMPAT || __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI == 1
# include <bits/wchar-ldbl.h>
#endif
+#if __USE_FORTIFY_LEVEL > 0 && defined __fortify_function
+/* Now include the function definitions and redirects too. */
+# include <bits/wchar2.h>
+#endif
+
__END_DECLS
#endif /* wchar.h */
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