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authorH.J. Lu <hjl.tools@gmail.com>2014-06-19 15:22:52 -0700
committerH.J. Lu <hjl.tools@gmail.com>2014-06-19 15:24:33 -0700
commitc8daec5c7cd19378112391d2394e6d6344e156dc (patch)
treed8da10024d3b93c5f59f29beaf2af92f48dfbf39 /sysdeps/x86
parent5c74e47cd628a6fcd2e4eba021301e275f8a95a3 (diff)
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Use 3 bytes for __pad1 in pthread_rwlock_t for x32
Since long is 4 bytes for x32, we should use 3 bytes for __pad1 when
a long __pad1 is replaced by a byte __rwelision and __pad1.

	* sysdeps/x86/nptl/bits/pthreadtypes.h (pthread_rwlock_t): Use
	3 bytes for __pad1 for x32.
	(__PTHREAD_RWLOCK_ELISION_EXTRA): Likewise.
Diffstat (limited to 'sysdeps/x86')
-rw-r--r--sysdeps/x86/nptl/bits/pthreadtypes.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/sysdeps/x86/nptl/bits/pthreadtypes.h b/sysdeps/x86/nptl/bits/pthreadtypes.h
index b04c32b11f..7f8076b89a 100644
--- a/sysdeps/x86/nptl/bits/pthreadtypes.h
+++ b/sysdeps/x86/nptl/bits/pthreadtypes.h
@@ -185,12 +185,17 @@ typedef union
     int __writer;
     int __shared;
     signed char __rwelision;
+#  ifdef  __ILP32__
+    unsigned char __pad1[3];
+#    define __PTHREAD_RWLOCK_ELISION_EXTRA 0, { 0, 0, 0 }
+#  else
     unsigned char __pad1[7];
+#    define __PTHREAD_RWLOCK_ELISION_EXTRA 0, { 0, 0, 0, 0, 0, 0, 0 }
+#  endif
     unsigned long int __pad2;
     /* FLAGS must stay at this position in the structure to maintain
        binary compatibility.  */
     unsigned int __flags;
-# define __PTHREAD_RWLOCK_ELISION_EXTRA 0, {0, 0, 0, 0, 0, 0, 0 }
 # define __PTHREAD_RWLOCK_INT_FLAGS_SHARED	1
   } __data;
 # else