X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fbn%2Fbn_lcl.h;h=04e09ee67958e2d0ecf156d5fbc8d95c6dd2d4ad;hp=8e5e98e3f2b87fd80a1d33511df3ba495e60414a;hb=fd6a72fa1c4bf2e2cb85be6cedfa4212fe81d155;hpb=3d11b8f89617edc81d01329dbb5bf134fcda3303

diff --git a/crypto/bn/bn_lcl.h b/crypto/bn/bn_lcl.h
index 8e5e98e3f2..04e09ee679 100644
--- a/crypto/bn/bn_lcl.h
+++ b/crypto/bn/bn_lcl.h
@@ -210,6 +210,24 @@ extern "C" {
 #define BN_MUL_LOW_RECURSIVE_SIZE_NORMAL	(32) /* 32 */
 #define BN_MONT_CTX_SET_SIZE_WORD		(64) /* 32 */
 
+/* 2011-02-22 SMS.
+ * In various places, a size_t variable or a type cast to size_t was
+ * used to perform integer-only operations on pointers.  This failed on
+ * VMS with 64-bit pointers (CC /POINTER_SIZE = 64) because size_t is
+ * still only 32 bits.  What's needed in these cases is an integer type
+ * with the same size as a pointer, which size_t is not certain to be.
+ * The only fix here is VMS-specific.
+ */
+#if defined(OPENSSL_SYS_VMS)
+# if __INITIAL_POINTER_SIZE == 64
+#  define PTR_SIZE_INT long long
+# else /* __INITIAL_POINTER_SIZE == 64 */
+#  define PTR_SIZE_INT int
+# endif /* __INITIAL_POINTER_SIZE == 64 [else] */
+#elif !defined(PTR_SIZE_INT) /* defined(OPENSSL_SYS_VMS) */
+# define PTR_SIZE_INT size_t
+#endif /* defined(OPENSSL_SYS_VMS) [else] */
+
 #if !defined(OPENSSL_NO_ASM) && !defined(OPENSSL_NO_INLINE_ASM) && !defined(PEDANTIC)
 /*
  * BN_UMULT_HIGH section.
@@ -238,7 +256,7 @@ extern "C" {
 #  if defined(__DECC)
 #   include <c_asm.h>
 #   define BN_UMULT_HIGH(a,b)	(BN_ULONG)asm("umulh %a0,%a1,%v0",(a),(b))
-#  elif defined(__GNUC__)
+#  elif defined(__GNUC__) && __GNUC__>=2
 #   define BN_UMULT_HIGH(a,b)	({	\
 	register BN_ULONG ret;		\
 	asm ("umulh	%1,%2,%0"	\
@@ -247,7 +265,7 @@ extern "C" {
 	ret;			})
 #  endif	/* compiler */
 # elif defined(_ARCH_PPC) && defined(__64BIT__) && defined(SIXTY_FOUR_BIT_LONG)
-#  if defined(__GNUC__)
+#  if defined(__GNUC__) && __GNUC__>=2
 #   define BN_UMULT_HIGH(a,b)	({	\
 	register BN_ULONG ret;		\
 	asm ("mulhdu	%0,%1,%2"	\
@@ -257,7 +275,7 @@ extern "C" {
 #  endif	/* compiler */
 # elif (defined(__x86_64) || defined(__x86_64__)) && \
        (defined(SIXTY_FOUR_BIT_LONG) || defined(SIXTY_FOUR_BIT))
-#  if defined(__GNUC__)
+#  if defined(__GNUC__) && __GNUC__>=2
 #   define BN_UMULT_HIGH(a,b)	({	\
 	register BN_ULONG ret,discard;	\
 	asm ("mulq	%3"		\
@@ -280,6 +298,19 @@ extern "C" {
 #   define BN_UMULT_HIGH(a,b)		__umulh((a),(b))
 #   define BN_UMULT_LOHI(low,high,a,b)	((low)=_umul128((a),(b),&(high)))
 #  endif
+# elif defined(__mips) && (defined(SIXTY_FOUR_BIT) || defined(SIXTY_FOUR_BIT_LONG))
+#  if defined(__GNUC__) && __GNUC__>=2
+#   define BN_UMULT_HIGH(a,b)	({	\
+	register BN_ULONG ret;		\
+	asm ("dmultu	%1,%2"		\
+	     : "=h"(ret)		\
+	     : "r"(a), "r"(b) : "l");	\
+	ret;			})
+#   define BN_UMULT_LOHI(low,high,a,b)	\
+	asm ("dmultu	%2,%3"		\
+	     : "=l"(low),"=h"(high)	\
+	     : "r"(a), "r"(b));
+#  endif
 # endif		/* cpu */
 #endif		/* OPENSSL_NO_ASM */
 
@@ -459,6 +490,10 @@ extern "C" {
 	}
 #endif /* !BN_LLONG */
 
+#if defined(OPENSSL_DOING_MAKEDEPEND) && defined(OPENSSL_FIPS)
+#undef bn_div_words
+#endif
+
 void bn_mul_normal(BN_ULONG *r,BN_ULONG *a,int na,BN_ULONG *b,int nb);
 void bn_mul_comba8(BN_ULONG *r,BN_ULONG *a,BN_ULONG *b);
 void bn_mul_comba4(BN_ULONG *r,BN_ULONG *a,BN_ULONG *b);