re PR other/13906 (genmodes.c:964: internal compiler error: Bus error in md5_process_...

	PR other/13906
	* ansidecl.h (ATTRIBUTE_ALIGNED_ALIGNOF): New.
	* md5.h (md5_uintptr): New.
	(md5_ctx): Align buffer field.

From-SVN: r101556

diff --git a/include/ChangeLog b/include/ChangeLog
index d2730a6fa382db697f8fc081ac214bc96983324a..8799b295896e8425cf4d1983e070bf997dbbd296 100644 (file)
--- a/include/ChangeLog
+++ b/include/ChangeLog
@@ -1,3 +1,10 @@
+2005-07-03  Steve Ellcey  <sje@cup.hp.com>
+
+       PR other/13906
+       * ansidecl.h (ATTRIBUTE_ALIGNED_ALIGNOF): New.
+       * md5.h (md5_uintptr): New.
+       (md5_ctx): Align buffer field.
+
 2005-06-30  Daniel Berlin  <dberlin@dberlin.org>
        
        * hashtab.h (HTAB_DELETED_ENTRY): New macro.

diff --git a/include/ansidecl.h b/include/ansidecl.h
index 439431182dc4db655390afa885b547f94214b43f..a1a765d63f32b82ea8e4af411d7b89d2f1a250ad 100644 (file)
--- a/include/ansidecl.h
+++ b/include/ansidecl.h
@@ -352,6 +352,15 @@ So instead we use the macro below and test it against specific values.  */
 # endif /* GNUC >= 3.5 */
 #endif /* ATTRIBUTE_SENTINEL */
 
+
+#ifndef ATTRIBUTE_ALIGNED_ALIGNOF
+# if (GCC_VERSION >= 3000)
+#  define ATTRIBUTE_ALIGNED_ALIGNOF(m) __attribute__ ((__aligned__ (__alignof__ (m))))
+# else
+#  define ATTRIBUTE_ALIGNED_ALIGNOF(m)
+# endif /* GNUC >= 3.0 */
+#endif /* ATTRIBUTE_ALIGNED_ALIGNOF */
+
 /* We use __extension__ in some places to suppress -pedantic warnings
    about GCC extensions.  This feature didn't work properly before
    gcc 2.8.  */

diff --git a/include/md5.h b/include/md5.h
index 655933f75339b3c955571f5ec1fc7755f94bfcd6..e35789346b1a995e52d2d83e5298e506634a3570 100644 (file)
--- a/include/md5.h
+++ b/include/md5.h
@@ -37,6 +37,7 @@
 #ifdef _LIBC
 # include <sys/types.h>
 typedef u_int32_t md5_uint32;
+typedef uintptr_t md5_uintptr;
 #else
 #  define INT_MAX_32_BITS 2147483647
 
@@ -64,6 +65,9 @@ typedef u_int32_t md5_uint32;
 #   endif
 #  endif
 # endif
+/* We have to make a guess about the integer type equivalent in size
+   to pointers which should always be correct.  */
+typedef unsigned long int md5_uintptr;
 #endif
 
 /* Structure to save state of computation between the single steps.  */
@@ -76,7 +80,7 @@ struct md5_ctx
 
   md5_uint32 total[2];
   md5_uint32 buflen;
-  char buffer[128];
+  char buffer[128] ATTRIBUTE_ALIGNED_ALIGNOF(md5_uint32);
 };
 
 /*