Move algorithm specific ppccap code from crypto/ppccap.c

Having that code in one central object file turned out to cause
trouble when building test/modes_internal_test.

Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/1883)

1 files changed, 41 insertions, 0 deletions

diff --git a/crypto/poly1305/poly1305_ppccap.c b/crypto/poly1305/poly1305_ppccap.c
new file mode 100644
index 0000000000..21b0e98a26
--- /dev/null
+++ b/crypto/poly1305/poly1305_ppccap.c
@@ -0,0 +1,41 @@
+/*
+ * Copyright 2009-2016 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include <stdlib.h>
+#include <openssl/opensslconf.h>
+#include "../ppc_arch.h"
+
+#ifdef OPENSSL_NO_POLY1305
+NON_EMPTY_TRANSLATION_UNIT
+#else
+void poly1305_init_int(void *ctx, const unsigned char key[16]);
+void poly1305_blocks(void *ctx, const unsigned char *inp, size_t len,
+                         unsigned int padbit);
+void poly1305_emit(void *ctx, unsigned char mac[16],
+                       const unsigned int nonce[4]);
+void poly1305_init_fpu(void *ctx, const unsigned char key[16]);
+void poly1305_blocks_fpu(void *ctx, const unsigned char *inp, size_t len,
+                         unsigned int padbit);
+void poly1305_emit_fpu(void *ctx, unsigned char mac[16],
+                       const unsigned int nonce[4]);
+int poly1305_init(void *ctx, const unsigned char key[16], void *func[2])
+{
+    if (sizeof(size_t) == 4 && (OPENSSL_ppccap_P & PPC_FPU)) {
+        poly1305_init_fpu(ctx, key);
+        func[0] = poly1305_blocks_fpu;
+        func[1] = poly1305_emit_fpu;
+    } else {
+        poly1305_init_int(ctx, key);
+        func[0] = poly1305_blocks;
+        func[1] = poly1305_emit;
+    }
+    return 1;
+}
+#endif
+