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GNU C Library master sources branch master updated. glibc-2.19-166-g498a223
- From: roland at sourceware dot org
- To: glibc-cvs at sourceware dot org
- Date: 14 Mar 2014 18:37:16 -0000
- Subject: GNU C Library master sources branch master updated. glibc-2.19-166-g498a223
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http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=498a22333b835a598ccaed4656e97a0ec3573665
commit 498a22333b835a598ccaed4656e97a0ec3573665
Author: Roland McGrath <roland@hack.frob.com>
Date: Fri Mar 14 10:44:34 2014 -0700
Compile with -Wundef.
diff --git a/ChangeLog b/ChangeLog
index 6d85155..4357cb7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,26 @@
+2014-03-14 Roland McGrath <roland@hack.frob.com>
+
+ * Makeconfig (+gccwarn): Add -Wundef.
+ * include/errno.h [IS_IN_rtld] [!RTLD_PRIVATE_ERRNO]: #error to catch
+ a dl-sysdep.h breaking its contract.
+ [!IS_IN_rtld] (RTLD_PRIVATE_ERRNO): Define it to 0.
+ * include/stackinfo.h: New file.
+ * nptl/sysdeps/i386/tls.h (TLS_DTV_AT_TP): New macro.
+ * nptl/sysdeps/powerpc/tls.h (TLS_TCB_AT_TP): New macro.
+ * nptl/sysdeps/s390/tls.h (TLS_DTV_AT_TP): New macro.
+ * nptl/sysdeps/sh/tls.h (TLS_TCB_AT_TP): New macro.
+ * nptl/sysdeps/sparc/tls.h (TLS_DTV_AT_TP): New macro.
+ * nptl/sysdeps/x86_64/tls.h (TLS_DTV_AT_TP): New macro.
+ * sysdeps/aarch64/nptl/tls.h (TLS_TCB_AT_TP): New macro.
+ * sysdeps/alpha/nptl/tls.h (TLS_TCB_AT_TP): New macro.
+ * sysdeps/arm/nptl/tls.h (TLS_TCB_AT_TP): New macro.
+ * sysdeps/ia64/nptl/tls.h (TLS_TCB_AT_TP): New macro.
+ * sysdeps/m68k/nptl/tls.h (TLS_TCB_AT_TP): New macro.
+ * sysdeps/mach/hurd/i386/tls.h (TLS_DTV_AT_TP): New macro.
+ * sysdeps/microblaze/nptl/tls.h (TLS_TCB_AT_TP): New macro.
+ * sysdeps/mips/nptl/tls.h (TLS_TCB_AT_TP): New macro.
+ * sysdeps/tile/nptl/tls.h (TLS_TCB_AT_TP): New macro.
+
2014-03-14 Adhemerval Zanella <azanella@linux.vnet.ibm.com>
[BZ #16707]
diff --git a/Makeconfig b/Makeconfig
index 9078b29..fa9fb63 100644
--- a/Makeconfig
+++ b/Makeconfig
@@ -685,6 +685,7 @@ ifeq ($(all-warnings),yes)
else
+gccwarn := -Wall -Wwrite-strings -Winline
endif
++gccwarn += -Wundef
+gccwarn-c = -Wstrict-prototypes
# We do not depend on the address of constants in different files to be
diff --git a/include/errno.h b/include/errno.h
index f1b93a8..dbf2a61 100644
--- a/include/errno.h
+++ b/include/errno.h
@@ -6,6 +6,11 @@
# ifdef IS_IN_rtld
# include <dl-sysdep.h>
+# ifndef RTLD_PRIVATE_ERRNO
+# error "dl-sysdep.h must define RTLD_PRIVATE_ERRNO!"
+# endif
+# else
+# define RTLD_PRIVATE_ERRNO 0
# endif
# if RTLD_PRIVATE_ERRNO
diff --git a/include/stackinfo.h b/include/stackinfo.h
new file mode 100644
index 0000000..b9b2278
--- /dev/null
+++ b/include/stackinfo.h
@@ -0,0 +1,42 @@
+/* Details about the machine's stack: wrapper header.
+ Copyright (C) 2014 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 _INCLUDE_STACKINFO_H
+#define _INCLUDE_STACKINFO_H 1
+
+/* A sysdeps/.../stackinfo.h file defines details for the CPU.
+ It is obliged to define either _STACK_GROWS_DOWN or _STACK_GROWS_UP. */
+#include_next <stackinfo.h>
+
+#if defined _STACK_GROWS_DOWN && _STACK_GROWS_DOWN
+# ifdef _STACK_GROWS_UP
+# error "stackinfo.h should not define both!"
+# else
+# define _STACK_GROWS_UP 0
+# endif
+#elif defined _STACK_GROWS_UP && _STACK_GROWS_UP
+# ifdef _STACK_GROWS_DOWN
+# error "stackinfo.h should not define both!"
+# else
+# define _STACK_GROWS_DOWN 0
+# endif
+#else
+# error "stackinfo.h must define _STACK_GROWS_UP or _STACK_GROWS_DOWN!"
+#endif
+
+#endif /* include/stackinfo.h */
diff --git a/nptl/sysdeps/i386/tls.h b/nptl/sysdeps/i386/tls.h
index 9c695c0..4183ee8 100644
--- a/nptl/sysdeps/i386/tls.h
+++ b/nptl/sysdeps/i386/tls.h
@@ -104,9 +104,6 @@ union user_desc_init
};
-/* Get the thread descriptor definition. */
-# include <nptl/descr.h>
-
/* This is the size of the initial TCB. Can't be just sizeof (tcbhead_t),
because NPTL getpid, __libc_alloca_cutoff etc. need (almost) the whole
struct pthread even when not linked with -lpthread. */
@@ -124,6 +121,10 @@ union user_desc_init
/* The TCB can have any size and the memory following the address the
thread pointer points to is unspecified. Allocate the TCB there. */
# define TLS_TCB_AT_TP 1
+# define TLS_DTV_AT_TP 0
+
+/* Get the thread descriptor definition. */
+# include <nptl/descr.h>
/* Install the dtv pointer. The pointer passed is to the element with
diff --git a/nptl/sysdeps/powerpc/tls.h b/nptl/sysdeps/powerpc/tls.h
index c9baf4d..556c8d5 100644
--- a/nptl/sysdeps/powerpc/tls.h
+++ b/nptl/sysdeps/powerpc/tls.h
@@ -49,6 +49,7 @@ typedef union dtv
/* The TP points to the start of the thread blocks. */
# define TLS_DTV_AT_TP 1
+# define TLS_TCB_AT_TP 0
/* We use the multiple_threads field in the pthread struct */
#define TLS_MULTIPLE_THREADS_IN_TCB 1
@@ -56,6 +57,7 @@ typedef union dtv
/* Get the thread descriptor definition. */
# include <nptl/descr.h>
+
/* The stack_guard is accessed directly by GCC -fstack-protector code,
so it is a part of public ABI. The dtv and pointer_guard fields
are private. */
diff --git a/nptl/sysdeps/s390/tls.h b/nptl/sysdeps/s390/tls.h
index d81019e..2019882 100644
--- a/nptl/sysdeps/s390/tls.h
+++ b/nptl/sysdeps/s390/tls.h
@@ -73,9 +73,6 @@ typedef struct
/* Get system call information. */
# include <sysdep.h>
-/* Get the thread descriptor definition. */
-# include <nptl/descr.h>
-
/* This is the size of the initial TCB. Can't be just sizeof (tcbhead_t),
because NPTL getpid, __libc_alloca_cutoff etc. need (almost) the whole
struct pthread even when not linked with -lpthread. */
@@ -93,6 +90,10 @@ typedef struct
/* The TCB can have any size and the memory following the address the
thread pointer points to is unspecified. Allocate the TCB there. */
# define TLS_TCB_AT_TP 1
+# define TLS_DTV_AT_TP 0
+
+/* Get the thread descriptor definition. */
+# include <nptl/descr.h>
/* Install the dtv pointer. The pointer passed is to the element with
diff --git a/nptl/sysdeps/sh/tls.h b/nptl/sysdeps/sh/tls.h
index 59e49f7..84e464c 100644
--- a/nptl/sysdeps/sh/tls.h
+++ b/nptl/sysdeps/sh/tls.h
@@ -76,6 +76,7 @@ typedef struct
/* The TLS blocks start right after the TCB. */
# define TLS_DTV_AT_TP 1
+# define TLS_TCB_AT_TP 0
/* Get the thread descriptor definition. */
# include <nptl/descr.h>
diff --git a/nptl/sysdeps/sparc/tls.h b/nptl/sysdeps/sparc/tls.h
index b10c68f..755bc23 100644
--- a/nptl/sysdeps/sparc/tls.h
+++ b/nptl/sysdeps/sparc/tls.h
@@ -69,9 +69,6 @@ typedef struct
/* Get system call information. */
# include <sysdep.h>
-/* Get the thread descriptor definition. */
-# include <nptl/descr.h>
-
register struct pthread *__thread_self __asm__("%g7");
/* This is the size of the initial TCB. Can't be just sizeof (tcbhead_t),
@@ -91,6 +88,10 @@ register struct pthread *__thread_self __asm__("%g7");
/* The TCB can have any size and the memory following the address the
thread pointer points to is unspecified. Allocate the TCB there. */
# define TLS_TCB_AT_TP 1
+# define TLS_DTV_AT_TP 0
+
+/* Get the thread descriptor definition. */
+# include <nptl/descr.h>
/* Install the dtv pointer. The pointer passed is to the element with
index -1 which contain the length. */
diff --git a/nptl/sysdeps/x86_64/tls.h b/nptl/sysdeps/x86_64/tls.h
index cbb5e9e..30bd449 100644
--- a/nptl/sysdeps/x86_64/tls.h
+++ b/nptl/sysdeps/x86_64/tls.h
@@ -92,10 +92,6 @@ typedef struct
/* Get system call information. */
# include <sysdep.h>
-
-/* Get the thread descriptor definition. */
-# include <nptl/descr.h>
-
#ifndef LOCK_PREFIX
# ifdef UP
# define LOCK_PREFIX /* nothing */
@@ -121,6 +117,10 @@ typedef struct
/* The TCB can have any size and the memory following the address the
thread pointer points to is unspecified. Allocate the TCB there. */
# define TLS_TCB_AT_TP 1
+# define TLS_DTV_AT_TP 0
+
+/* Get the thread descriptor definition. */
+# include <nptl/descr.h>
/* Install the dtv pointer. The pointer passed is to the element with
diff --git a/ports/ChangeLog.hppa b/ports/ChangeLog.hppa
index eca733c..61aeabc 100644
--- a/ports/ChangeLog.hppa
+++ b/ports/ChangeLog.hppa
@@ -1,3 +1,7 @@
+2014-02-28 Roland McGrath <roland@hack.frob.com>
+
+ * sysdeps/hppa/nptl/tls.h (TLS_TCB_AT_TP): New macro.
+
2014-03-05 Joseph Myers <joseph@codesourcery.com>
* sysdeps/hppa/fpu/libm-test-ulps: Remove individual test ulps.
diff --git a/ports/sysdeps/hppa/nptl/tls.h b/ports/sysdeps/hppa/nptl/tls.h
index 2880ad3..38132b0 100644
--- a/ports/sysdeps/hppa/nptl/tls.h
+++ b/ports/sysdeps/hppa/nptl/tls.h
@@ -51,6 +51,7 @@ typedef union dtv
/* The TP points to the start of the thread blocks. */
# define TLS_DTV_AT_TP 1
+# define TLS_TCB_AT_TP 0
/* Get the thread descriptor definition. */
# include <nptl/descr.h>
diff --git a/sysdeps/aarch64/nptl/tls.h b/sysdeps/aarch64/nptl/tls.h
index f03c519..ae2e6c4 100644
--- a/sysdeps/aarch64/nptl/tls.h
+++ b/sysdeps/aarch64/nptl/tls.h
@@ -48,6 +48,7 @@ typedef union dtv
/* The TP points to the start of the thread blocks. */
# define TLS_DTV_AT_TP 1
+# define TLS_TCB_AT_TP 0
/* Get the thread descriptor definition. */
# include <nptl/descr.h>
diff --git a/sysdeps/alpha/nptl/tls.h b/sysdeps/alpha/nptl/tls.h
index 4894f0b..b2e082d 100644
--- a/sysdeps/alpha/nptl/tls.h
+++ b/sysdeps/alpha/nptl/tls.h
@@ -42,6 +42,7 @@ typedef union dtv
/* The TP points to the start of the thread blocks. */
# define TLS_DTV_AT_TP 1
+# define TLS_TCB_AT_TP 0
/* Get the thread descriptor definition. */
# include <nptl/descr.h>
diff --git a/sysdeps/arm/nptl/tls.h b/sysdeps/arm/nptl/tls.h
index 8cc0a62..1a2d606 100644
--- a/sysdeps/arm/nptl/tls.h
+++ b/sysdeps/arm/nptl/tls.h
@@ -49,6 +49,7 @@ typedef union dtv
/* The TP points to the start of the thread blocks. */
# define TLS_DTV_AT_TP 1
+# define TLS_TCB_AT_TP 0
/* Get the thread descriptor definition. */
# include <nptl/descr.h>
diff --git a/sysdeps/ia64/nptl/tls.h b/sysdeps/ia64/nptl/tls.h
index 279d107..3f9225a 100644
--- a/sysdeps/ia64/nptl/tls.h
+++ b/sysdeps/ia64/nptl/tls.h
@@ -87,6 +87,7 @@ register struct pthread *__thread_self __asm__("r13");
/* The DTV is allocated at the TP; the TCB is placed elsewhere. */
# define TLS_DTV_AT_TP 1
+# define TLS_TCB_AT_TP 0
/* Get the thread descriptor definition. */
# include <nptl/descr.h>
diff --git a/sysdeps/m68k/nptl/tls.h b/sysdeps/m68k/nptl/tls.h
index 5de079b..471775a 100644
--- a/sysdeps/m68k/nptl/tls.h
+++ b/sysdeps/m68k/nptl/tls.h
@@ -49,6 +49,7 @@ typedef union dtv
/* The TP points to the start of the thread blocks. */
# define TLS_DTV_AT_TP 1
+# define TLS_TCB_AT_TP 0
/* Get the thread descriptor definition. */
# include <nptl/descr.h>
diff --git a/sysdeps/mach/hurd/i386/tls.h b/sysdeps/mach/hurd/i386/tls.h
index 3f84300..845d53d 100644
--- a/sysdeps/mach/hurd/i386/tls.h
+++ b/sysdeps/mach/hurd/i386/tls.h
@@ -26,6 +26,7 @@
/* The TCB can have any size and the memory following the address the
thread pointer points to is unspecified. Allocate the TCB there. */
#define TLS_TCB_AT_TP 1
+#define TLS_DTV_AT_TP 0
#ifndef __ASSEMBLER__
diff --git a/sysdeps/microblaze/nptl/tls.h b/sysdeps/microblaze/nptl/tls.h
index 4cfbdd3..71f1dd9 100644
--- a/sysdeps/microblaze/nptl/tls.h
+++ b/sysdeps/microblaze/nptl/tls.h
@@ -48,6 +48,7 @@ typedef union dtv
/* The TP points to the start of the thread blocks. */
# define TLS_DTV_AT_TP 1
+# define TLS_TCB_AT_TP 0
/* Get the thread descriptor definition. */
# include <nptl/descr.h>
diff --git a/sysdeps/mips/nptl/tls.h b/sysdeps/mips/nptl/tls.h
index 0a8da54..754d4e4 100644
--- a/sysdeps/mips/nptl/tls.h
+++ b/sysdeps/mips/nptl/tls.h
@@ -67,6 +67,7 @@ typedef union dtv
/* The TP points to the start of the thread blocks. */
# define TLS_DTV_AT_TP 1
+# define TLS_TCB_AT_TP 0
/* Get the thread descriptor definition. */
# include <nptl/descr.h>
diff --git a/sysdeps/tile/nptl/tls.h b/sysdeps/tile/nptl/tls.h
index d226188..2a9bbc1 100644
--- a/sysdeps/tile/nptl/tls.h
+++ b/sysdeps/tile/nptl/tls.h
@@ -49,6 +49,7 @@ typedef union dtv
/* The TP points to the start of the thread blocks. */
# define TLS_DTV_AT_TP 1
+# define TLS_TCB_AT_TP 0
/* We use the multiple_threads field in the pthread struct */
#define TLS_MULTIPLE_THREADS_IN_TCB 1
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 23 ++++++++++++++++
Makeconfig | 1 +
include/errno.h | 5 +++
sysdeps/arm/gcc-compat.h => include/stackinfo.h | 33 ++++++++++++++---------
nptl/sysdeps/i386/tls.h | 7 +++--
nptl/sysdeps/powerpc/tls.h | 2 +
nptl/sysdeps/s390/tls.h | 7 +++--
nptl/sysdeps/sh/tls.h | 1 +
nptl/sysdeps/sparc/tls.h | 7 +++--
nptl/sysdeps/x86_64/tls.h | 8 +++---
ports/ChangeLog.hppa | 4 +++
ports/sysdeps/hppa/nptl/tls.h | 1 +
sysdeps/aarch64/nptl/tls.h | 1 +
sysdeps/alpha/nptl/tls.h | 1 +
sysdeps/arm/nptl/tls.h | 1 +
sysdeps/ia64/nptl/tls.h | 1 +
sysdeps/m68k/nptl/tls.h | 1 +
sysdeps/mach/hurd/i386/tls.h | 1 +
sysdeps/microblaze/nptl/tls.h | 1 +
sysdeps/mips/nptl/tls.h | 1 +
sysdeps/tile/nptl/tls.h | 1 +
21 files changed, 82 insertions(+), 26 deletions(-)
copy sysdeps/arm/gcc-compat.h => include/stackinfo.h (53%)
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