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-rw-r--r--sha1dc/sha1.c19
1 files changed, 15 insertions, 4 deletions
diff --git a/sha1dc/sha1.c b/sha1dc/sha1.c
index 25eded1399..dede2cbddf 100644
--- a/sha1dc/sha1.c
+++ b/sha1dc/sha1.c
@@ -72,7 +72,7 @@
/* Not under GCC-alike or glibc */
#elif defined(_BYTE_ORDER) && defined(_BIG_ENDIAN) && defined(_LITTLE_ENDIAN)
/*
- * *BSD and newlib (embeded linux, cygwin, etc).
+ * *BSD and newlib (embedded linux, cygwin, etc).
* the defined(_BIG_ENDIAN) && defined(_LITTLE_ENDIAN) part prevents
* this condition from matching with Solaris/sparc.
* (Solaris defines only one endian macro)
@@ -93,13 +93,23 @@
#define SHA1DC_BIGENDIAN
/* Not under GCC-alike or glibc or *BSD or newlib or <processor whitelist> */
+#elif (defined(_AIX) || defined(__hpux))
+
+/*
+ * Defines Big Endian on a whitelist of OSs that are known to be Big
+ * Endian-only. See
+ * https://lore.kernel.org/git/93056823-2740-d072-1ebd-46b440b33d7e@felt.demon.nl/
+ */
+#define SHA1DC_BIGENDIAN
+
+/* Not under GCC-alike or glibc or *BSD or newlib or <processor whitelist> or <os whitelist> */
#elif defined(SHA1DC_ON_INTEL_LIKE_PROCESSOR)
/*
* As a last resort before we do anything else we're not 100% sure
* about below, we blacklist specific processors here. We could add
* more, see e.g. https://wiki.debian.org/ArchitectureSpecificsMemo
*/
-#else /* Not under GCC-alike or glibc or *BSD or newlib or <processor whitelist> or <processor blacklist> */
+#else /* Not under GCC-alike or glibc or *BSD or newlib or <processor whitelist> or <os whitelist> or <processor blacklist> */
/* We do nothing more here for now */
/*#error "Uncomment this to see if you fall through all the detection"*/
@@ -114,10 +124,11 @@
#endif
/*ENDIANNESS SELECTION*/
+#ifndef SHA1DC_FORCE_ALIGNED_ACCESS
#if defined(SHA1DC_FORCE_UNALIGNED_ACCESS) || defined(SHA1DC_ON_INTEL_LIKE_PROCESSOR)
#define SHA1DC_ALLOW_UNALIGNED_ACCESS
-#endif /*UNALIGNMENT DETECTION*/
-
+#endif /*UNALIGNED ACCESS DETECTION*/
+#endif /*FORCE ALIGNED ACCESS*/
#define rotate_right(x,n) (((x)>>(n))|((x)<<(32-(n))))
#define rotate_left(x,n) (((x)<<(n))|((x)>>(32-(n))))