In arm fat build, hook in sha1 and sha256 armv6 assembly.

ChangeLog

 2015-01-25  Niels Möller  <nisse@lysator.liu.se>
 
+	* arm/fat/sha1-compress-2.asm: New file.
+	* arm/fat/sha256-compress-2.asm: Likewise.
+	* fat-arm.c (fat_init): Setup for use of additional v6 assembly
+	functions.
+
 	* sha1-compress.c: Prepare for fat build with C and assembly
 	implementations.
 	* sha256-compress.c: Likewise.

arm/fat/sha1-compress-2.asm

+C arm/fat/sha1-compress-2.asm
+
+
+ifelse(<
+   Copyright (C) 2015 Niels Möller
+
+   This file is part of GNU Nettle.
+
+   GNU Nettle is free software: you can redistribute it and/or
+   modify it under the terms of either:
+
+     * the GNU Lesser General Public License as published by the Free
+       Software Foundation; either version 3 of the License, or (at your
+       option) any later version.
+
+   or
+
+     * the GNU General Public License as published by the Free
+       Software Foundation; either version 2 of the License, or (at your
+       option) any later version.
+
+   or both in parallel, as here.
+
+   GNU Nettle is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+
+   You should have received copies of the GNU General Public License and
+   the GNU Lesser General Public License along with this program.  If
+   not, see http://www.gnu.org/licenses/.
+>)
+
+dnl PROLOGUE(_nettle_sha1_compress) picked up by configure
+
+define(<fat_transform>, <$1_armv6>)
+include_src(<arm/v6/sha1-compress.asm>)

arm/fat/sha256-compress-2.asm

+C arm/fat/sha256-compress-2.asm
+
+
+ifelse(<
+   Copyright (C) 2015 Niels Möller
+
+   This file is part of GNU Nettle.
+
+   GNU Nettle is free software: you can redistribute it and/or
+   modify it under the terms of either:
+
+     * the GNU Lesser General Public License as published by the Free
+       Software Foundation; either version 3 of the License, or (at your
+       option) any later version.
+
+   or
+
+     * the GNU General Public License as published by the Free
+       Software Foundation; either version 2 of the License, or (at your
+       option) any later version.
+
+   or both in parallel, as here.
+
+   GNU Nettle is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+
+   You should have received copies of the GNU General Public License and
+   the GNU Lesser General Public License along with this program.  If
+   not, see http://www.gnu.org/licenses/.
+>)
+
+dnl PROLOGUE(_nettle_sha256_compress) picked up by configure
+
+define(<fat_transform>, <$1_armv6>)
+include_src(<arm/v6/sha256-compress.asm>)

fat-arm.c

@@ -145,6 +145,14 @@ DECLARE_FAT_FUNC(_nettle_salsa20_core, salsa20_core_func)
 DECLARE_FAT_FUNC_VAR(salsa20_core, salsa20_core_func, c)
 DECLARE_FAT_FUNC_VAR(salsa20_core, salsa20_core_func, neon)
 
+DECLARE_FAT_FUNC(_nettle_sha1_compress, sha1_compress_func)
+DECLARE_FAT_FUNC_VAR(sha1_compress, sha1_compress_func, c)
+DECLARE_FAT_FUNC_VAR(sha1_compress, sha1_compress_func, armv6)
+
+DECLARE_FAT_FUNC(_nettle_sha256_compress, sha256_compress_func)
+DECLARE_FAT_FUNC_VAR(sha256_compress, sha256_compress_func, c)
+DECLARE_FAT_FUNC_VAR(sha256_compress, sha256_compress_func, armv6)
+
 DECLARE_FAT_FUNC(_nettle_sha512_compress, sha512_compress_func)
 DECLARE_FAT_FUNC_VAR(sha512_compress, sha512_compress_func, c)
 DECLARE_FAT_FUNC_VAR(sha512_compress, sha512_compress_func, neon)
@@ -181,6 +189,8 @@ fat_init (void)
 	fprintf (stderr, "libnettle: enabling armv6 code.\n");
       _nettle_aes_encrypt_vec = _nettle_aes_encrypt_armv6;
       _nettle_aes_decrypt_vec = _nettle_aes_decrypt_armv6;
+      _nettle_sha1_compress_vec = _nettle_sha1_compress_armv6;
+      _nettle_sha256_compress_vec = _nettle_sha256_compress_armv6;
     }
   else
     {
@@ -188,6 +198,8 @@ fat_init (void)
 	fprintf (stderr, "libnettle: not enabling armv6 code.\n");
       _nettle_aes_encrypt_vec = _nettle_aes_encrypt_arm;
       _nettle_aes_decrypt_vec = _nettle_aes_decrypt_arm;
+      _nettle_sha1_compress_vec = _nettle_sha1_compress_c;
+      _nettle_sha256_compress_vec = _nettle_sha256_compress_c;
     }
   if (features.have_neon)
     {
@@ -229,6 +241,14 @@ DEFINE_FAT_FUNC(_nettle_salsa20_core, void,
 		(uint32_t *dst, const uint32_t *src, unsigned rounds),
 		(dst, src, rounds))
 
+DEFINE_FAT_FUNC(_nettle_sha1_compress, void,
+		(uint32_t *state, const uint8_t *input),
+		(state, input))
+
+DEFINE_FAT_FUNC(_nettle_sha256_compress, void,
+		(uint32_t *state, const uint8_t *input, const uint32_t *k),
+		(state, input, k))
+
 DEFINE_FAT_FUNC(_nettle_sha512_compress, void,
 		(uint64_t *state, const uint8_t *input, const uint64_t *k),
 		(state, input, k))