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authorThomas Schwinge <thomas@codesourcery.com>2013-05-23 23:37:00 +0200
committerThomas Schwinge <thomas@codesourcery.com>2013-05-23 23:37:00 +0200
commitf9e888643115b4b2f28853ebd1733f4410fb8839 (patch)
tree58c69f6cef623679080e8933b6c79880bfbd7cb8 /sysdeps/generic
parentd78eef6ebc008f784f501ce208bef12c6eafda27 (diff)
parentb934acf0e93c5a220551ed6e686bb9d45a24a8cc (diff)
Merge branch 'baseline' into refs/top-bases/tschwinge/Roger_Whittaker
Diffstat (limited to 'sysdeps/generic')
-rw-r--r--sysdeps/generic/bp-checks.h84
-rw-r--r--sysdeps/generic/frame.h4
-rw-r--r--sysdeps/generic/ldconfig.h9
-rw-r--r--sysdeps/generic/ldsodefs.h13
-rw-r--r--sysdeps/generic/malloc-sysdep.h3
-rw-r--r--sysdeps/generic/math-tests.h (renamed from sysdeps/generic/bp-sym.h)27
6 files changed, 38 insertions, 102 deletions
diff --git a/sysdeps/generic/bp-checks.h b/sysdeps/generic/bp-checks.h
deleted file mode 100644
index cfff9155ec..0000000000
--- a/sysdeps/generic/bp-checks.h
+++ /dev/null
@@ -1,84 +0,0 @@
-/* Bounded-pointer checking macros for C.
- Copyright (C) 2000-2013 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Greg McGary <greg@mcgary.org>
-
- 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 _bp_checks_h_
-#define _bp_checks_h_ 1
-
-#if __BOUNDED_POINTERS__
-
-# define BOUNDS_VIOLATED (__builtin_trap (), 0)
-
-/* Verify that pointer's value >= low. Return pointer value. */
-# define CHECK_BOUNDS_LOW(ARG) \
- (((__ptrvalue (ARG) < __ptrlow (ARG)) && BOUNDS_VIOLATED), \
- __ptrvalue (ARG))
-
-/* Verify that pointer's value < high. Return pointer value. */
-# define CHECK_BOUNDS_HIGH(ARG) \
- (((__ptrvalue (ARG) > __ptrhigh (ARG)) && BOUNDS_VIOLATED), \
- __ptrvalue (ARG))
-
-# define _CHECK_N(ARG, N, COND) \
- (((COND) \
- && (__ptrvalue (ARG) < __ptrlow (ARG) \
- || __ptrvalue (ARG) + (N) > __ptrhigh (ARG)) \
- && BOUNDS_VIOLATED), \
- __ptrvalue (ARG))
-
-extern void *__unbounded __ubp_memchr (const void *__unbounded, int, unsigned);
-
-# define _CHECK_STRING(ARG, COND) \
- (((COND) \
- && (__ptrvalue (ARG) < __ptrlow (ARG) \
- || !__ubp_memchr (__ptrvalue (ARG), '\0', \
- (__ptrhigh (ARG) - __ptrvalue (ARG)))) \
- && BOUNDS_VIOLATED), \
- __ptrvalue (ARG))
-
-/* Check bounds of a pointer seated to an array of N objects. */
-# define CHECK_N(ARG, N) _CHECK_N ((ARG), (N), 1)
-/* Same as CHECK_N, but tolerate ARG == NULL. */
-# define CHECK_N_NULL_OK(ARG, N) _CHECK_N ((ARG), (N), __ptrvalue (ARG))
-
-/* Check bounds of a pointer seated to a single object. */
-# define CHECK_1(ARG) CHECK_N ((ARG), 1)
-/* Same as CHECK_1, but tolerate ARG == NULL. */
-# define CHECK_1_NULL_OK(ARG) CHECK_N_NULL_OK ((ARG), 1)
-
-/* Check for NUL-terminator within string's bounds. */
-# define CHECK_STRING(ARG) _CHECK_STRING ((ARG), 1)
-/* Same as CHECK_STRING, but tolerate ARG == NULL. */
-# define CHECK_STRING_NULL_OK(ARG) _CHECK_STRING ((ARG), __ptrvalue (ARG))
-
-#else /* !__BOUNDED_POINTERS__ */
-
-/* Do nothing if not compiling with -fbounded-pointers. */
-
-# define BOUNDS_VIOLATED
-# define CHECK_BOUNDS_LOW(ARG) (ARG)
-# define CHECK_BOUNDS_HIGH(ARG) (ARG)
-# define CHECK_1(ARG) (ARG)
-# define CHECK_1_NULL_OK(ARG) (ARG)
-# define CHECK_N(ARG, N) (ARG)
-# define CHECK_N_NULL_OK(ARG, N) (ARG)
-# define CHECK_STRING(ARG) (ARG)
-
-#endif /* !__BOUNDED_POINTERS__ */
-
-#endif /* _bp_checks_h_ */
diff --git a/sysdeps/generic/frame.h b/sysdeps/generic/frame.h
index e6dfc72f31..cae84ef3e2 100644
--- a/sysdeps/generic/frame.h
+++ b/sysdeps/generic/frame.h
@@ -18,6 +18,6 @@
struct layout
{
- void *__unbounded next;
- void *__unbounded return_address;
+ void *next;
+ void *return_address;
};
diff --git a/sysdeps/generic/ldconfig.h b/sysdeps/generic/ldconfig.h
index 57a9a468ad..ca3f0e430f 100644
--- a/sysdeps/generic/ldconfig.h
+++ b/sysdeps/generic/ldconfig.h
@@ -36,6 +36,7 @@
#define FLAG_X8664_LIBX32 0x0800
#define FLAG_ARM_LIBHF 0x0900
#define FLAG_AARCH64_LIB64 0x0a00
+#define FLAG_ARM_LIBSF 0x0b00
/* Name of auxiliary cache. */
#define _PATH_LDCONFIG_AUX_CACHE "/var/cache/ldconfig/aux-cache"
@@ -83,12 +84,6 @@ extern int opt_verbose;
extern int opt_format;
/* Prototypes for a few program-wide used functions. */
-extern void *xmalloc (size_t n)
- __attribute_malloc__ __attribute_alloc_size (1);
-extern void *xcalloc (size_t n, size_t s)
- __attribute_malloc__ __attribute_alloc_size (1, 2);
-extern void *xrealloc (void *o, size_t n)
- __attribute_malloc__ __attribute_alloc_size (2);
-extern char *xstrdup (const char *) __attribute_malloc__;
+#include <programs/xmalloc.h>
#endif /* ! _LDCONFIG_H */
diff --git a/sysdeps/generic/ldsodefs.h b/sysdeps/generic/ldsodefs.h
index f963b19cde..f4bfc0da0c 100644
--- a/sysdeps/generic/ldsodefs.h
+++ b/sysdeps/generic/ldsodefs.h
@@ -539,7 +539,7 @@ struct rtld_global_ro
EXTERN uintptr_t _dl_sysinfo;
#endif
-#if defined NEED_DL_SYSINFO || defined NEED_DL_SYSINFO_DSO
+#ifdef NEED_DL_SYSINFO_DSO
/* The vsyscall page is a virtual DSO pre-mapped by the kernel.
This points to its ELF header. */
EXTERN const ElfW(Ehdr) *_dl_sysinfo_dso;
@@ -1007,6 +1007,17 @@ extern int _dl_addr_inside_object (struct link_map *l, const ElfW(Addr) addr)
/* Show show of an object. */
extern void _dl_show_scope (struct link_map *new, int from);
+extern struct link_map *_dl_find_dso_for_object (const ElfW(Addr) addr)
+ internal_function;
+rtld_hidden_proto (_dl_find_dso_for_object)
+
+/* Initialization which is normally done by the dynamic linker. */
+extern void _dl_non_dynamic_init (void) internal_function;
+
+/* Used by static binaries to check the auxiliary vector. */
+extern void _dl_aux_init (ElfW(auxv_t) *av) internal_function;
+
+
__END_DECLS
#endif /* ldsodefs.h */
diff --git a/sysdeps/generic/malloc-sysdep.h b/sysdeps/generic/malloc-sysdep.h
index 3f7892b150..18980bc826 100644
--- a/sysdeps/generic/malloc-sysdep.h
+++ b/sysdeps/generic/malloc-sysdep.h
@@ -16,6 +16,9 @@
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
+#include <stdbool.h>
+#include <unistd.h>
+
/* Force an unmap when the heap shrinks in a secure exec. This ensures that
the old data pages immediately cease to be accessible. */
static inline bool
diff --git a/sysdeps/generic/bp-sym.h b/sysdeps/generic/math-tests.h
index 089912a687..76f738ee99 100644
--- a/sysdeps/generic/bp-sym.h
+++ b/sysdeps/generic/math-tests.h
@@ -1,7 +1,6 @@
-/* Bounded-pointer symbol modifier.
- Copyright (C) 2000-2013 Free Software Foundation, Inc.
+/* Configuration for math tests. Generic version.
+ Copyright (C) 2013 Free Software Foundation, Inc.
This file is part of the GNU C Library.
- Contributed by Greg McGary <greg@mcgary.org>
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
@@ -17,9 +16,21 @@
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
-#define BP_SYM(name) _BP_SYM (name)
-#if __BOUNDED_POINTERS__
-# define _BP_SYM(name) __BP_##name
-#else
-# define _BP_SYM(name) name
+/* Indicate whether to run tests involving sNaN values for the float, double,
+ and long double C data types, respectively. All are run unless
+ overridden. */
+#ifndef SNAN_TESTS_float
+# define SNAN_TESTS_float 1
#endif
+#ifndef SNAN_TESTS_double
+# define SNAN_TESTS_double 1
+#endif
+#ifndef SNAN_TESTS_long_double
+# define SNAN_TESTS_long_double 1
+#endif
+
+/* Return nonzero value if to run tests involving sNaN values for X. */
+#define SNAN_TESTS(x) \
+ (sizeof (x) == sizeof (float) ? SNAN_TESTS_float \
+ : sizeof (x) == sizeof (double) ? SNAN_TESTS_double \
+ : SNAN_TESTS_long_double)