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-rw-r--r--include/libc-internal.h96
1 files changed, 20 insertions, 76 deletions
diff --git a/include/libc-internal.h b/include/libc-internal.h
index 7a185bbdc7..2167990c52 100644
--- a/include/libc-internal.h
+++ b/include/libc-internal.h
@@ -1,5 +1,20 @@
-/* This file contains a number of internal prototype declarations that
- don't fit anywhere else. */
+/* Internal prototype declarations that don't fit anywhere else.
+ Copyright (C) 2000-2018 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 _LIBC_INTERNAL
# define _LIBC_INTERNAL 1
@@ -32,83 +47,12 @@ libc_hidden_proto (__libc_freeres)
extern void __libc_thread_freeres (void);
/* Define and initialize `__progname' et. al. */
-extern void __init_misc (int, char **, char **);
+extern void __init_misc (int, char **, char **) attribute_hidden;
-# if IS_IN (rtld)
+# if IS_IN (rtld) && !defined NO_RTLD_HIDDEN
extern __typeof (__profile_frequency) __profile_frequency attribute_hidden;
# endif
-/* 1 if 'type' is a pointer type, 0 otherwise. */
-# define __pointer_type(type) (__builtin_classify_type ((type) 0) == 5)
-
-/* __intptr_t if P is true, or T if P is false. */
-# define __integer_if_pointer_type_sub(T, P) \
- __typeof__ (*(0 ? (__typeof__ (0 ? (T *) 0 : (void *) (P))) 0 \
- : (__typeof__ (0 ? (__intptr_t *) 0 : (void *) (!(P)))) 0))
-
-/* __intptr_t if EXPR has a pointer type, or the type of EXPR otherwise. */
-# define __integer_if_pointer_type(expr) \
- __integer_if_pointer_type_sub(__typeof__ ((__typeof__ (expr)) 0), \
- __pointer_type (__typeof__ (expr)))
-
-/* Cast an integer or a pointer VAL to integer with proper type. */
-# define cast_to_integer(val) ((__integer_if_pointer_type (val)) (val))
-
-/* Align a value by rounding down to closest size.
- e.g. Using size of 4096, we get this behavior:
- {4095, 4096, 4097} = {0, 4096, 4096}. */
-#define ALIGN_DOWN(base, size) ((base) & -((__typeof__ (base)) (size)))
-
-/* Align a value by rounding up to closest size.
- e.g. Using size of 4096, we get this behavior:
- {4095, 4096, 4097} = {4096, 4096, 8192}.
-
- Note: The size argument has side effects (expanded multiple times). */
-#define ALIGN_UP(base, size) ALIGN_DOWN ((base) + (size) - 1, (size))
-
-/* Same as ALIGN_DOWN(), but automatically casts when base is a pointer. */
-#define PTR_ALIGN_DOWN(base, size) \
- ((__typeof__ (base)) ALIGN_DOWN ((uintptr_t) (base), (size)))
-
-/* Same as ALIGN_UP(), but automatically casts when base is a pointer. */
-#define PTR_ALIGN_UP(base, size) \
- ((__typeof__ (base)) ALIGN_UP ((uintptr_t) (base), (size)))
-
-/* Ignore the value of an expression when a cast to void does not
- suffice (in particular, for a call to a function declared with
- attribute warn_unused_result). */
-#define ignore_value(x) \
- ({ __typeof__ (x) __ignored_value = (x); (void) __ignored_value; })
-
-/* The macros to control diagnostics are structured like this, rather
- than a single macro that both pushes and pops diagnostic state and
- takes the affected code as an argument, because the GCC pragmas
- work by disabling the diagnostic for a range of source locations
- and do not work when all the pragmas and the affected code are in a
- single macro expansion. */
-
-/* Push diagnostic state. */
-#define DIAG_PUSH_NEEDS_COMMENT _Pragma ("GCC diagnostic push")
-
-/* Pop diagnostic state. */
-#define DIAG_POP_NEEDS_COMMENT _Pragma ("GCC diagnostic pop")
-
-#define _DIAG_STR1(s) #s
-#define _DIAG_STR(s) _DIAG_STR1(s)
-
-/* Ignore the diagnostic OPTION. VERSION is the most recent GCC
- version for which the diagnostic has been confirmed to appear in
- the absence of the pragma (in the form MAJOR.MINOR for GCC 4.x,
- just MAJOR for GCC 5 and later). Uses of this pragma should be
- reviewed when the GCC version given is no longer supported for
- building glibc; the version number should always be on the same
- source line as the macro name, so such uses can be found with grep.
- Uses should come with a comment giving more details of the
- diagnostic, and an architecture on which it is seen if possibly
- optimization-related and not in architecture-specific code. This
- macro should only be used if the diagnostic seems hard to fix (for
- example, optimization-related false positives). */
-#define DIAG_IGNORE_NEEDS_COMMENT(version, option) \
- _Pragma (_DIAG_STR (GCC diagnostic ignored option))
+extern int __libc_multiple_libcs attribute_hidden;
#endif /* _LIBC_INTERNAL */