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GNU C Library master sources branch azanella/bz22298-2.25 created. glibc-2.25-59-g15b7cc7


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http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=15b7cc7d742ff60d09f0638ce53e66e546e3eab5

commit 15b7cc7d742ff60d09f0638ce53e66e546e3eab5
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date:   Mon Oct 16 14:27:29 2017 -0200

    nptl: Add tests for internal pthread_mutex_t offsets
    
    This patch adds a new build test to check for internal fields
    offsets uses on pthread_mutex_t static initialization macros
    (PTHREAD_MUTEX_INITIALIZER, PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP,
    PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP, and
    PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP).
    
    Currently the only field which is statically initialized to a
    non zero value is pthread_mutex_t.__data.__kind value, however
    the test also check the offset of __kind, __spins, __elision (if
    support), and __list internal member.  A internal header
    (pthread-offset.h) is added to each major ABI with the reference
    value.
    
    Checked on x86_64-linux-gnu and with a build check for all affected
    ABIs (aarch64-linux-gnu, alpha-linux-gnu, arm-linux-gnueabihf,
    hppa-linux-gnu, i686-linux-gnu, ia64-linux-gnu, m68k-linux-gnu,
    microblaze-linux-gnu, mips64-linux-gnu, mips64-n32-linux-gnu,
    mips-linux-gnu, powerpc64le-linux-gnu, powerpc-linux-gnu,
    s390-linux-gnu, s390x-linux-gnu, sh4-linux-gnu, sparc64-linux-gnu,
    sparcv9-linux-gnu, tilegx-linux-gnu, tilegx-linux-gnu-x32,
    tilepro-linux-gnu, x86_64-linux-gnu, and x86_64-linux-x32).
    
    	* nptl/Makefile (tests-internal): Add tst-offsets.
    	* nptl/tst-offsets.c: New file.
    	* sysdeps/aarch64/nptl/pthread-offsets.h: Likewise.
    	* sysdeps/alpha/nptl/pthread-offsets.h: Likewise.
    	* sysdeps/arm/nptl/pthread-offsets.h: Likewise.
    	* sysdeps/hppa/nptl/pthread-offsets.h: Likewise.
    	* sysdeps/i386/nptl/pthread-offsets.h: Likewise.
    	* sysdeps/ia64/nptl/pthread-offsets.h: Likewise.
    	* sysdeps/m68k/nptl/pthread-offsets.h: Likewise.
    	* sysdeps/microblaze/nptl/pthread-offsets.h: Likewise.
    	* sysdeps/mips/nptl/pthread-offsets.h: Likewise.
    	* sysdeps/nios2/nptl/pthread-offsets.h: Likewise.
    	* sysdeps/powerpc/nptl/pthread-offsets.h: Likewise.
    	* sysdeps/s390/nptl/pthread-offsets.h: Likewise.
    	* sysdeps/sh/nptl/pthread-offsets.h: Likewise.
    	* sysdeps/sparc/nptl/pthread-offsets.h: Likewise.
    	* sysdeps/tile/nptl/pthread-offsets.h: Likewise.
    	* sysdeps/x86_64/nptl/pthread-offsets.h: Likewise.

diff --git a/ChangeLog b/ChangeLog
index d2ffa78..07c258b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,24 @@
+2017-10-19  Adhemerval Zanella  <adhemerval.zanella@linaro.org>
+
+	* nptl/Makefile (tests-internal): Add tst-offsets.
+	* nptl/tst-offsets.c: New file.
+	* sysdeps/aarch64/nptl/pthread-offsets.h: Likewise.
+	* sysdeps/alpha/nptl/pthread-offsets.h: Likewise.
+	* sysdeps/arm/nptl/pthread-offsets.h: Likewise.
+	* sysdeps/hppa/nptl/pthread-offsets.h: Likewise.
+	* sysdeps/i386/nptl/pthread-offsets.h: Likewise.
+	* sysdeps/ia64/nptl/pthread-offsets.h: Likewise.
+	* sysdeps/m68k/nptl/pthread-offsets.h: Likewise.
+	* sysdeps/microblaze/nptl/pthread-offsets.h: Likewise.
+	* sysdeps/mips/nptl/pthread-offsets.h: Likewise.
+	* sysdeps/nios2/nptl/pthread-offsets.h: Likewise.
+	* sysdeps/powerpc/nptl/pthread-offsets.h: Likewise.
+	* sysdeps/s390/nptl/pthread-offsets.h: Likewise.
+	* sysdeps/sh/nptl/pthread-offsets.h: Likewise.
+	* sysdeps/sparc/nptl/pthread-offsets.h: Likewise.
+	* sysdeps/tile/nptl/pthread-offsets.h: Likewise.
+	* sysdeps/x86_64/nptl/pthread-offsets.h: Likewise.
+
 2017-10-19  H.J. Lu  <hongjiu.lu@intel.com>
 
 	* sysdeps/x86_64/Makefile (tests): Add tst-sse, tst-avx and
diff --git a/nptl/Makefile b/nptl/Makefile
index 2406776..53428b9 100644
--- a/nptl/Makefile
+++ b/nptl/Makefile
@@ -297,7 +297,7 @@ tests = tst-typesizes \
 			    c89 gnu89 c99 gnu99 c11 gnu11) \
 	tst-bad-schedattr \
 	tst-thread_local1 tst-mutex-errorcheck tst-robust10 \
-	tst-robust-fork tst-create-detached
+	tst-robust-fork tst-create-detached tst-offsets
 xtests = tst-setuid1 tst-setuid1-static tst-setuid2 \
 	tst-mutexpp1 tst-mutexpp6 tst-mutexpp10
 test-srcs = tst-oddstacklimit
diff --git a/nptl/tst-offsets.c b/nptl/tst-offsets.c
new file mode 100644
index 0000000..5a765ba
--- /dev/null
+++ b/nptl/tst-offsets.c
@@ -0,0 +1,54 @@
+/* Check pthread internal offsets.
+   Copyright (C) 2017 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/>.  */
+
+#include <stdio.h>
+#include <pthreadP.h>
+#include <semaphore.h>
+
+#include <pthread-offsets.h>
+
+#define STR_HELPER(x) #x
+#define STR(x) STR_HELPER(x)
+
+static int
+do_test (void)
+{
+#define TEST_OFFSET(type, member, offset) \
+  _Static_assert (offsetof (type, member) == offset, \
+		  "offset of " #member " field of " #type " != " \
+		  STR (offset))
+
+  /* Check if internal fields in pthread_mutex_t used by static initializers
+     have the expected offset.  */
+  TEST_OFFSET (pthread_mutex_t, __data.__nusers,
+	       __PTHREAD_MUTEX_NUSERS_OFFSET);
+  TEST_OFFSET (pthread_mutex_t, __data.__kind,
+	       __PTHREAD_MUTEX_KIND_OFFSET);
+  TEST_OFFSET (pthread_mutex_t, __data.__spins,
+	       __PTHREAD_MUTEX_SPINS_OFFSET);
+#ifdef __PTHREAD_MUTEX_LOCK_ELISION
+  TEST_OFFSET (pthread_mutex_t, __data.__elision,
+	       __PTHREAD_MUTEX_ELISION_OFFSET);
+#endif
+  TEST_OFFSET (pthread_mutex_t, __data.__list,
+	       __PTHREAD_MUTEX_LIST_OFFSET);
+
+  return 0;
+}
+
+#include <support/test-driver.c>
diff --git a/sysdeps/aarch64/nptl/pthread-offsets.h b/sysdeps/aarch64/nptl/pthread-offsets.h
new file mode 100644
index 0000000..16c6b0d
--- /dev/null
+++ b/sysdeps/aarch64/nptl/pthread-offsets.h
@@ -0,0 +1,5 @@
+#define __PTHREAD_MUTEX_NUSERS_OFFSET   12
+#define __PTHREAD_MUTEX_KIND_OFFSET     16
+#define __PTHREAD_MUTEX_SPINS_OFFSET    20
+#define __PTHREAD_MUTEX_ELISION_OFFSET  22
+#define __PTHREAD_MUTEX_LIST_OFFSET     24
diff --git a/sysdeps/alpha/nptl/pthread-offsets.h b/sysdeps/alpha/nptl/pthread-offsets.h
new file mode 100644
index 0000000..16c6b0d
--- /dev/null
+++ b/sysdeps/alpha/nptl/pthread-offsets.h
@@ -0,0 +1,5 @@
+#define __PTHREAD_MUTEX_NUSERS_OFFSET   12
+#define __PTHREAD_MUTEX_KIND_OFFSET     16
+#define __PTHREAD_MUTEX_SPINS_OFFSET    20
+#define __PTHREAD_MUTEX_ELISION_OFFSET  22
+#define __PTHREAD_MUTEX_LIST_OFFSET     24
diff --git a/sysdeps/arm/nptl/pthread-offsets.h b/sysdeps/arm/nptl/pthread-offsets.h
new file mode 100644
index 0000000..9617354
--- /dev/null
+++ b/sysdeps/arm/nptl/pthread-offsets.h
@@ -0,0 +1,5 @@
+#define __PTHREAD_MUTEX_NUSERS_OFFSET   16
+#define __PTHREAD_MUTEX_KIND_OFFSET     12
+#define __PTHREAD_MUTEX_SPINS_OFFSET    20
+#define __PTHREAD_MUTEX_ELISION_OFFSET  22
+#define __PTHREAD_MUTEX_LIST_OFFSET     20
diff --git a/sysdeps/hppa/nptl/pthread-offsets.h b/sysdeps/hppa/nptl/pthread-offsets.h
new file mode 100644
index 0000000..8ae01b9
--- /dev/null
+++ b/sysdeps/hppa/nptl/pthread-offsets.h
@@ -0,0 +1,5 @@
+#define __PTHREAD_MUTEX_NUSERS_OFFSET   32
+#define __PTHREAD_MUTEX_KIND_OFFSET     12
+#define __PTHREAD_MUTEX_SPINS_OFFSET    36
+#define __PTHREAD_MUTEX_ELISION_OFFSET  22
+#define __PTHREAD_MUTEX_LIST_OFFSET     36
diff --git a/sysdeps/i386/nptl/pthread-offsets.h b/sysdeps/i386/nptl/pthread-offsets.h
new file mode 100644
index 0000000..9617354
--- /dev/null
+++ b/sysdeps/i386/nptl/pthread-offsets.h
@@ -0,0 +1,5 @@
+#define __PTHREAD_MUTEX_NUSERS_OFFSET   16
+#define __PTHREAD_MUTEX_KIND_OFFSET     12
+#define __PTHREAD_MUTEX_SPINS_OFFSET    20
+#define __PTHREAD_MUTEX_ELISION_OFFSET  22
+#define __PTHREAD_MUTEX_LIST_OFFSET     20
diff --git a/sysdeps/ia64/nptl/pthread-offsets.h b/sysdeps/ia64/nptl/pthread-offsets.h
new file mode 100644
index 0000000..16c6b0d
--- /dev/null
+++ b/sysdeps/ia64/nptl/pthread-offsets.h
@@ -0,0 +1,5 @@
+#define __PTHREAD_MUTEX_NUSERS_OFFSET   12
+#define __PTHREAD_MUTEX_KIND_OFFSET     16
+#define __PTHREAD_MUTEX_SPINS_OFFSET    20
+#define __PTHREAD_MUTEX_ELISION_OFFSET  22
+#define __PTHREAD_MUTEX_LIST_OFFSET     24
diff --git a/sysdeps/m68k/nptl/pthread-offsets.h b/sysdeps/m68k/nptl/pthread-offsets.h
new file mode 100644
index 0000000..9617354
--- /dev/null
+++ b/sysdeps/m68k/nptl/pthread-offsets.h
@@ -0,0 +1,5 @@
+#define __PTHREAD_MUTEX_NUSERS_OFFSET   16
+#define __PTHREAD_MUTEX_KIND_OFFSET     12
+#define __PTHREAD_MUTEX_SPINS_OFFSET    20
+#define __PTHREAD_MUTEX_ELISION_OFFSET  22
+#define __PTHREAD_MUTEX_LIST_OFFSET     20
diff --git a/sysdeps/microblaze/nptl/pthread-offsets.h b/sysdeps/microblaze/nptl/pthread-offsets.h
new file mode 100644
index 0000000..9617354
--- /dev/null
+++ b/sysdeps/microblaze/nptl/pthread-offsets.h
@@ -0,0 +1,5 @@
+#define __PTHREAD_MUTEX_NUSERS_OFFSET   16
+#define __PTHREAD_MUTEX_KIND_OFFSET     12
+#define __PTHREAD_MUTEX_SPINS_OFFSET    20
+#define __PTHREAD_MUTEX_ELISION_OFFSET  22
+#define __PTHREAD_MUTEX_LIST_OFFSET     20
diff --git a/sysdeps/mips/nptl/pthread-offsets.h b/sysdeps/mips/nptl/pthread-offsets.h
new file mode 100644
index 0000000..0ac3eda
--- /dev/null
+++ b/sysdeps/mips/nptl/pthread-offsets.h
@@ -0,0 +1,13 @@
+#if _MIPS_SIM == _ABI64
+# define __PTHREAD_MUTEX_NUSERS_OFFSET   12
+# define __PTHREAD_MUTEX_KIND_OFFSET     16
+# define __PTHREAD_MUTEX_SPINS_OFFSET    20
+# define __PTHREAD_MUTEX_ELISION_OFFSET  22
+# define __PTHREAD_MUTEX_LIST_OFFSET     24
+#else
+# define __PTHREAD_MUTEX_NUSERS_OFFSET   16
+# define __PTHREAD_MUTEX_KIND_OFFSET     12
+# define __PTHREAD_MUTEX_SPINS_OFFSET    20
+# define __PTHREAD_MUTEX_ELISION_OFFSET  22
+# define __PTHREAD_MUTEX_LIST_OFFSET     20
+#endif
diff --git a/sysdeps/nios2/nptl/pthread-offsets.h b/sysdeps/nios2/nptl/pthread-offsets.h
new file mode 100644
index 0000000..9617354
--- /dev/null
+++ b/sysdeps/nios2/nptl/pthread-offsets.h
@@ -0,0 +1,5 @@
+#define __PTHREAD_MUTEX_NUSERS_OFFSET   16
+#define __PTHREAD_MUTEX_KIND_OFFSET     12
+#define __PTHREAD_MUTEX_SPINS_OFFSET    20
+#define __PTHREAD_MUTEX_ELISION_OFFSET  22
+#define __PTHREAD_MUTEX_LIST_OFFSET     20
diff --git a/sysdeps/powerpc/nptl/pthread-offsets.h b/sysdeps/powerpc/nptl/pthread-offsets.h
new file mode 100644
index 0000000..bdda1f1
--- /dev/null
+++ b/sysdeps/powerpc/nptl/pthread-offsets.h
@@ -0,0 +1,15 @@
+#include <bits/wordsize.h>
+
+#if __WORDSIZE == 64
+# define __PTHREAD_MUTEX_NUSERS_OFFSET   12
+# define __PTHREAD_MUTEX_KIND_OFFSET     16
+# define __PTHREAD_MUTEX_SPINS_OFFSET    20
+# define __PTHREAD_MUTEX_ELISION_OFFSET  22
+# define __PTHREAD_MUTEX_LIST_OFFSET     24
+#else
+# define __PTHREAD_MUTEX_NUSERS_OFFSET   16
+# define __PTHREAD_MUTEX_KIND_OFFSET     12
+# define __PTHREAD_MUTEX_SPINS_OFFSET    20
+# define __PTHREAD_MUTEX_ELISION_OFFSET  22
+# define __PTHREAD_MUTEX_LIST_OFFSET     20
+#endif
diff --git a/sysdeps/s390/nptl/pthread-offsets.h b/sysdeps/s390/nptl/pthread-offsets.h
new file mode 100644
index 0000000..bdda1f1
--- /dev/null
+++ b/sysdeps/s390/nptl/pthread-offsets.h
@@ -0,0 +1,15 @@
+#include <bits/wordsize.h>
+
+#if __WORDSIZE == 64
+# define __PTHREAD_MUTEX_NUSERS_OFFSET   12
+# define __PTHREAD_MUTEX_KIND_OFFSET     16
+# define __PTHREAD_MUTEX_SPINS_OFFSET    20
+# define __PTHREAD_MUTEX_ELISION_OFFSET  22
+# define __PTHREAD_MUTEX_LIST_OFFSET     24
+#else
+# define __PTHREAD_MUTEX_NUSERS_OFFSET   16
+# define __PTHREAD_MUTEX_KIND_OFFSET     12
+# define __PTHREAD_MUTEX_SPINS_OFFSET    20
+# define __PTHREAD_MUTEX_ELISION_OFFSET  22
+# define __PTHREAD_MUTEX_LIST_OFFSET     20
+#endif
diff --git a/sysdeps/sh/nptl/pthread-offsets.h b/sysdeps/sh/nptl/pthread-offsets.h
new file mode 100644
index 0000000..9617354
--- /dev/null
+++ b/sysdeps/sh/nptl/pthread-offsets.h
@@ -0,0 +1,5 @@
+#define __PTHREAD_MUTEX_NUSERS_OFFSET   16
+#define __PTHREAD_MUTEX_KIND_OFFSET     12
+#define __PTHREAD_MUTEX_SPINS_OFFSET    20
+#define __PTHREAD_MUTEX_ELISION_OFFSET  22
+#define __PTHREAD_MUTEX_LIST_OFFSET     20
diff --git a/sysdeps/sparc/nptl/pthread-offsets.h b/sysdeps/sparc/nptl/pthread-offsets.h
new file mode 100644
index 0000000..bdda1f1
--- /dev/null
+++ b/sysdeps/sparc/nptl/pthread-offsets.h
@@ -0,0 +1,15 @@
+#include <bits/wordsize.h>
+
+#if __WORDSIZE == 64
+# define __PTHREAD_MUTEX_NUSERS_OFFSET   12
+# define __PTHREAD_MUTEX_KIND_OFFSET     16
+# define __PTHREAD_MUTEX_SPINS_OFFSET    20
+# define __PTHREAD_MUTEX_ELISION_OFFSET  22
+# define __PTHREAD_MUTEX_LIST_OFFSET     24
+#else
+# define __PTHREAD_MUTEX_NUSERS_OFFSET   16
+# define __PTHREAD_MUTEX_KIND_OFFSET     12
+# define __PTHREAD_MUTEX_SPINS_OFFSET    20
+# define __PTHREAD_MUTEX_ELISION_OFFSET  22
+# define __PTHREAD_MUTEX_LIST_OFFSET     20
+#endif
diff --git a/sysdeps/tile/nptl/pthread-offsets.h b/sysdeps/tile/nptl/pthread-offsets.h
new file mode 100644
index 0000000..bdda1f1
--- /dev/null
+++ b/sysdeps/tile/nptl/pthread-offsets.h
@@ -0,0 +1,15 @@
+#include <bits/wordsize.h>
+
+#if __WORDSIZE == 64
+# define __PTHREAD_MUTEX_NUSERS_OFFSET   12
+# define __PTHREAD_MUTEX_KIND_OFFSET     16
+# define __PTHREAD_MUTEX_SPINS_OFFSET    20
+# define __PTHREAD_MUTEX_ELISION_OFFSET  22
+# define __PTHREAD_MUTEX_LIST_OFFSET     24
+#else
+# define __PTHREAD_MUTEX_NUSERS_OFFSET   16
+# define __PTHREAD_MUTEX_KIND_OFFSET     12
+# define __PTHREAD_MUTEX_SPINS_OFFSET    20
+# define __PTHREAD_MUTEX_ELISION_OFFSET  22
+# define __PTHREAD_MUTEX_LIST_OFFSET     20
+#endif
diff --git a/sysdeps/x86_64/nptl/pthread-offsets.h b/sysdeps/x86_64/nptl/pthread-offsets.h
new file mode 100644
index 0000000..16c6b0d
--- /dev/null
+++ b/sysdeps/x86_64/nptl/pthread-offsets.h
@@ -0,0 +1,5 @@
+#define __PTHREAD_MUTEX_NUSERS_OFFSET   12
+#define __PTHREAD_MUTEX_KIND_OFFSET     16
+#define __PTHREAD_MUTEX_SPINS_OFFSET    20
+#define __PTHREAD_MUTEX_ELISION_OFFSET  22
+#define __PTHREAD_MUTEX_LIST_OFFSET     24

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