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glibc-utils
0001-S390-Use-s390-64-specific-ionv-modules-on-...
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File 0001-S390-Use-s390-64-specific-ionv-modules-on-s390-32-to.patch of Package glibc-utils
2016-05-25 Stefan Liebler <stli@linux.vnet.ibm.com> * sysdeps/s390/s390-64/Makefile (iconvdata-subdirectory): Move to ... * sysdeps/s390/Makefile: ... here. * sysdeps/s390/s390-64/iso-8859-1_cp037_z900.c: Move to ... * sysdeps/s390/iso-8859-1_cp037_z900.c: ... here. (BRANCH_ON_COUNT): New define. (TR_LOOP): Use BRANCH_ON_COUNT instead of brctg. * sysdeps/s390/s390-64/utf16-utf32-z9.c: Move to ... * sysdeps/s390/utf16-utf32-z9.c: ... here and adjust to run on s390-32, too. * sysdeps/s390/s390-64/utf8-utf16-z9.c: Move to ... * sysdeps/s390/utf8-utf16-z9.c: ... here and adjust to run on s390-32, too. * sysdeps/s390/s390-64/utf8-utf32-z9.c: Move to ... * sysdeps/s390/utf8-utf32-z9.c: ... here and adjust to run on s390-32, too. Index: glibc-2.22/sysdeps/s390/Makefile =================================================================== --- /dev/null +++ glibc-2.22/sysdeps/s390/Makefile @@ -0,0 +1,31 @@ +ifeq ($(subdir),iconvdata) +ISO-8859-1_CP037_Z900-routines := iso-8859-1_cp037_z900 +ISO-8859-1_CP037_Z900-map := gconv.map + +UTF8_UTF32_Z9-routines := utf8-utf32-z9 +UTF8_UTF32_Z9-map := gconv.map + +UTF16_UTF32_Z9-routines := utf16-utf32-z9 +UTF16_UTF32_Z9-map := gconv.map + +UTF8_UTF16_Z9-routines := utf8-utf16-z9 +UTF8_UTF16_Z9-map := gconv.map + +s390x-iconv-modules = ISO-8859-1_CP037_Z900 UTF8_UTF16_Z9 UTF16_UTF32_Z9 UTF8_UTF32_Z9 + +extra-modules-left += $(s390x-iconv-modules) +include extra-module.mk + +cpp-srcs-left := $(foreach mod,$(s390x-iconv-modules),$($(mod)-routines)) +lib := iconvdata +include $(patsubst %,$(..)cppflags-iterator.mk,$(cpp-srcs-left)) + +extra-objs += $(addsuffix .so, $(s390x-iconv-modules)) +install-others += $(patsubst %, $(inst_gconvdir)/%.so, $(s390x-iconv-modules)) + +$(patsubst %, $(inst_gconvdir)/%.so, $(s390x-iconv-modules)) : \ +$(inst_gconvdir)/%.so: $(objpfx)%.so $(+force) + $(do-install-program) + +sysdeps-gconv-modules = ../sysdeps/s390/gconv-modules +endif Index: glibc-2.22/sysdeps/s390/iso-8859-1_cp037_z900.c =================================================================== --- /dev/null +++ glibc-2.22/sysdeps/s390/iso-8859-1_cp037_z900.c @@ -0,0 +1,262 @@ +/* Conversion between ISO 8859-1 and IBM037. + + This module uses the translate instruction. + Copyright (C) 1997-2015 Free Software Foundation, Inc. + + Author: Andreas Krebbel <Andreas.Krebbel@de.ibm.com> + Based on the work by Ulrich Drepper <drepper@cygnus.com>, 1997. + + Thanks to Daniel Appich who covered the relevant performance work + in his diploma thesis. + + This is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <dlfcn.h> +#include <stdint.h> + +// conversion table from ISO-8859-1 to IBM037 +static const unsigned char table_iso8859_1_to_cp037[256] +__attribute__ ((aligned (8))) = +{ + [0x00] = 0x00, [0x01] = 0x01, [0x02] = 0x02, [0x03] = 0x03, + [0x04] = 0x37, [0x05] = 0x2D, [0x06] = 0x2E, [0x07] = 0x2F, + [0x08] = 0x16, [0x09] = 0x05, [0x0A] = 0x25, [0x0B] = 0x0B, + [0x0C] = 0x0C, [0x0D] = 0x0D, [0x0E] = 0x0E, [0x0F] = 0x0F, + [0x10] = 0x10, [0x11] = 0x11, [0x12] = 0x12, [0x13] = 0x13, + [0x14] = 0x3C, [0x15] = 0x3D, [0x16] = 0x32, [0x17] = 0x26, + [0x18] = 0x18, [0x19] = 0x19, [0x1A] = 0x3F, [0x1B] = 0x27, + [0x1C] = 0x1C, [0x1D] = 0x1D, [0x1E] = 0x1E, [0x1F] = 0x1F, + [0x20] = 0x40, [0x21] = 0x5A, [0x22] = 0x7F, [0x23] = 0x7B, + [0x24] = 0x5B, [0x25] = 0x6C, [0x26] = 0x50, [0x27] = 0x7D, + [0x28] = 0x4D, [0x29] = 0x5D, [0x2A] = 0x5C, [0x2B] = 0x4E, + [0x2C] = 0x6B, [0x2D] = 0x60, [0x2E] = 0x4B, [0x2F] = 0x61, + [0x30] = 0xF0, [0x31] = 0xF1, [0x32] = 0xF2, [0x33] = 0xF3, + [0x34] = 0xF4, [0x35] = 0xF5, [0x36] = 0xF6, [0x37] = 0xF7, + [0x38] = 0xF8, [0x39] = 0xF9, [0x3A] = 0x7A, [0x3B] = 0x5E, + [0x3C] = 0x4C, [0x3D] = 0x7E, [0x3E] = 0x6E, [0x3F] = 0x6F, + [0x40] = 0x7C, [0x41] = 0xC1, [0x42] = 0xC2, [0x43] = 0xC3, + [0x44] = 0xC4, [0x45] = 0xC5, [0x46] = 0xC6, [0x47] = 0xC7, + [0x48] = 0xC8, [0x49] = 0xC9, [0x4A] = 0xD1, [0x4B] = 0xD2, + [0x4C] = 0xD3, [0x4D] = 0xD4, [0x4E] = 0xD5, [0x4F] = 0xD6, + [0x50] = 0xD7, [0x51] = 0xD8, [0x52] = 0xD9, [0x53] = 0xE2, + [0x54] = 0xE3, [0x55] = 0xE4, [0x56] = 0xE5, [0x57] = 0xE6, + [0x58] = 0xE7, [0x59] = 0xE8, [0x5A] = 0xE9, [0x5B] = 0xBA, + [0x5C] = 0xE0, [0x5D] = 0xBB, [0x5E] = 0xB0, [0x5F] = 0x6D, + [0x60] = 0x79, [0x61] = 0x81, [0x62] = 0x82, [0x63] = 0x83, + [0x64] = 0x84, [0x65] = 0x85, [0x66] = 0x86, [0x67] = 0x87, + [0x68] = 0x88, [0x69] = 0x89, [0x6A] = 0x91, [0x6B] = 0x92, + [0x6C] = 0x93, [0x6D] = 0x94, [0x6E] = 0x95, [0x6F] = 0x96, + [0x70] = 0x97, [0x71] = 0x98, [0x72] = 0x99, [0x73] = 0xA2, + [0x74] = 0xA3, [0x75] = 0xA4, [0x76] = 0xA5, [0x77] = 0xA6, + [0x78] = 0xA7, [0x79] = 0xA8, [0x7A] = 0xA9, [0x7B] = 0xC0, + [0x7C] = 0x4F, [0x7D] = 0xD0, [0x7E] = 0xA1, [0x7F] = 0x07, + [0x80] = 0x20, [0x81] = 0x21, [0x82] = 0x22, [0x83] = 0x23, + [0x84] = 0x24, [0x85] = 0x15, [0x86] = 0x06, [0x87] = 0x17, + [0x88] = 0x28, [0x89] = 0x29, [0x8A] = 0x2A, [0x8B] = 0x2B, + [0x8C] = 0x2C, [0x8D] = 0x09, [0x8E] = 0x0A, [0x8F] = 0x1B, + [0x90] = 0x30, [0x91] = 0x31, [0x92] = 0x1A, [0x93] = 0x33, + [0x94] = 0x34, [0x95] = 0x35, [0x96] = 0x36, [0x97] = 0x08, + [0x98] = 0x38, [0x99] = 0x39, [0x9A] = 0x3A, [0x9B] = 0x3B, + [0x9C] = 0x04, [0x9D] = 0x14, [0x9E] = 0x3E, [0x9F] = 0xFF, + [0xA0] = 0x41, [0xA1] = 0xAA, [0xA2] = 0x4A, [0xA3] = 0xB1, + [0xA4] = 0x9F, [0xA5] = 0xB2, [0xA6] = 0x6A, [0xA7] = 0xB5, + [0xA8] = 0xBD, [0xA9] = 0xB4, [0xAA] = 0x9A, [0xAB] = 0x8A, + [0xAC] = 0x5F, [0xAD] = 0xCA, [0xAE] = 0xAF, [0xAF] = 0xBC, + [0xB0] = 0x90, [0xB1] = 0x8F, [0xB2] = 0xEA, [0xB3] = 0xFA, + [0xB4] = 0xBE, [0xB5] = 0xA0, [0xB6] = 0xB6, [0xB7] = 0xB3, + [0xB8] = 0x9D, [0xB9] = 0xDA, [0xBA] = 0x9B, [0xBB] = 0x8B, + [0xBC] = 0xB7, [0xBD] = 0xB8, [0xBE] = 0xB9, [0xBF] = 0xAB, + [0xC0] = 0x64, [0xC1] = 0x65, [0xC2] = 0x62, [0xC3] = 0x66, + [0xC4] = 0x63, [0xC5] = 0x67, [0xC6] = 0x9E, [0xC7] = 0x68, + [0xC8] = 0x74, [0xC9] = 0x71, [0xCA] = 0x72, [0xCB] = 0x73, + [0xCC] = 0x78, [0xCD] = 0x75, [0xCE] = 0x76, [0xCF] = 0x77, + [0xD0] = 0xAC, [0xD1] = 0x69, [0xD2] = 0xED, [0xD3] = 0xEE, + [0xD4] = 0xEB, [0xD5] = 0xEF, [0xD6] = 0xEC, [0xD7] = 0xBF, + [0xD8] = 0x80, [0xD9] = 0xFD, [0xDA] = 0xFE, [0xDB] = 0xFB, + [0xDC] = 0xFC, [0xDD] = 0xAD, [0xDE] = 0xAE, [0xDF] = 0x59, + [0xE0] = 0x44, [0xE1] = 0x45, [0xE2] = 0x42, [0xE3] = 0x46, + [0xE4] = 0x43, [0xE5] = 0x47, [0xE6] = 0x9C, [0xE7] = 0x48, + [0xE8] = 0x54, [0xE9] = 0x51, [0xEA] = 0x52, [0xEB] = 0x53, + [0xEC] = 0x58, [0xED] = 0x55, [0xEE] = 0x56, [0xEF] = 0x57, + [0xF0] = 0x8C, [0xF1] = 0x49, [0xF2] = 0xCD, [0xF3] = 0xCE, + [0xF4] = 0xCB, [0xF5] = 0xCF, [0xF6] = 0xCC, [0xF7] = 0xE1, + [0xF8] = 0x70, [0xF9] = 0xDD, [0xFA] = 0xDE, [0xFB] = 0xDB, + [0xFC] = 0xDC, [0xFD] = 0x8D, [0xFE] = 0x8E, [0xFF] = 0xDF +}; + +// conversion table from IBM037 to ISO-8859-1 +static const unsigned char table_cp037_iso8859_1[256] +__attribute__ ((aligned (8))) = +{ + [0x00] = 0x00, [0x01] = 0x01, [0x02] = 0x02, [0x03] = 0x03, + [0x04] = 0x9C, [0x05] = 0x09, [0x06] = 0x86, [0x07] = 0x7F, + [0x08] = 0x97, [0x09] = 0x8D, [0x0A] = 0x8E, [0x0B] = 0x0B, + [0x0C] = 0x0C, [0x0D] = 0x0D, [0x0E] = 0x0E, [0x0F] = 0x0F, + [0x10] = 0x10, [0x11] = 0x11, [0x12] = 0x12, [0x13] = 0x13, + [0x14] = 0x9D, [0x15] = 0x85, [0x16] = 0x08, [0x17] = 0x87, + [0x18] = 0x18, [0x19] = 0x19, [0x1A] = 0x92, [0x1B] = 0x8F, + [0x1C] = 0x1C, [0x1D] = 0x1D, [0x1E] = 0x1E, [0x1F] = 0x1F, + [0x20] = 0x80, [0x21] = 0x81, [0x22] = 0x82, [0x23] = 0x83, + [0x24] = 0x84, [0x25] = 0x0A, [0x26] = 0x17, [0x27] = 0x1B, + [0x28] = 0x88, [0x29] = 0x89, [0x2A] = 0x8A, [0x2B] = 0x8B, + [0x2C] = 0x8C, [0x2D] = 0x05, [0x2E] = 0x06, [0x2F] = 0x07, + [0x30] = 0x90, [0x31] = 0x91, [0x32] = 0x16, [0x33] = 0x93, + [0x34] = 0x94, [0x35] = 0x95, [0x36] = 0x96, [0x37] = 0x04, + [0x38] = 0x98, [0x39] = 0x99, [0x3A] = 0x9A, [0x3B] = 0x9B, + [0x3C] = 0x14, [0x3D] = 0x15, [0x3E] = 0x9E, [0x3F] = 0x1A, + [0x40] = 0x20, [0x41] = 0xA0, [0x42] = 0xE2, [0x43] = 0xE4, + [0x44] = 0xE0, [0x45] = 0xE1, [0x46] = 0xE3, [0x47] = 0xE5, + [0x48] = 0xE7, [0x49] = 0xF1, [0x4A] = 0xA2, [0x4B] = 0x2E, + [0x4C] = 0x3C, [0x4D] = 0x28, [0x4E] = 0x2B, [0x4F] = 0x7C, + [0x50] = 0x26, [0x51] = 0xE9, [0x52] = 0xEA, [0x53] = 0xEB, + [0x54] = 0xE8, [0x55] = 0xED, [0x56] = 0xEE, [0x57] = 0xEF, + [0x58] = 0xEC, [0x59] = 0xDF, [0x5A] = 0x21, [0x5B] = 0x24, + [0x5C] = 0x2A, [0x5D] = 0x29, [0x5E] = 0x3B, [0x5F] = 0xAC, + [0x60] = 0x2D, [0x61] = 0x2F, [0x62] = 0xC2, [0x63] = 0xC4, + [0x64] = 0xC0, [0x65] = 0xC1, [0x66] = 0xC3, [0x67] = 0xC5, + [0x68] = 0xC7, [0x69] = 0xD1, [0x6A] = 0xA6, [0x6B] = 0x2C, + [0x6C] = 0x25, [0x6D] = 0x5F, [0x6E] = 0x3E, [0x6F] = 0x3F, + [0x70] = 0xF8, [0x71] = 0xC9, [0x72] = 0xCA, [0x73] = 0xCB, + [0x74] = 0xC8, [0x75] = 0xCD, [0x76] = 0xCE, [0x77] = 0xCF, + [0x78] = 0xCC, [0x79] = 0x60, [0x7A] = 0x3A, [0x7B] = 0x23, + [0x7C] = 0x40, [0x7D] = 0x27, [0x7E] = 0x3D, [0x7F] = 0x22, + [0x80] = 0xD8, [0x81] = 0x61, [0x82] = 0x62, [0x83] = 0x63, + [0x84] = 0x64, [0x85] = 0x65, [0x86] = 0x66, [0x87] = 0x67, + [0x88] = 0x68, [0x89] = 0x69, [0x8A] = 0xAB, [0x8B] = 0xBB, + [0x8C] = 0xF0, [0x8D] = 0xFD, [0x8E] = 0xFE, [0x8F] = 0xB1, + [0x90] = 0xB0, [0x91] = 0x6A, [0x92] = 0x6B, [0x93] = 0x6C, + [0x94] = 0x6D, [0x95] = 0x6E, [0x96] = 0x6F, [0x97] = 0x70, + [0x98] = 0x71, [0x99] = 0x72, [0x9A] = 0xAA, [0x9B] = 0xBA, + [0x9C] = 0xE6, [0x9D] = 0xB8, [0x9E] = 0xC6, [0x9F] = 0xA4, + [0xA0] = 0xB5, [0xA1] = 0x7E, [0xA2] = 0x73, [0xA3] = 0x74, + [0xA4] = 0x75, [0xA5] = 0x76, [0xA6] = 0x77, [0xA7] = 0x78, + [0xA8] = 0x79, [0xA9] = 0x7A, [0xAA] = 0xA1, [0xAB] = 0xBF, + [0xAC] = 0xD0, [0xAD] = 0xDD, [0xAE] = 0xDE, [0xAF] = 0xAE, + [0xB0] = 0x5E, [0xB1] = 0xA3, [0xB2] = 0xA5, [0xB3] = 0xB7, + [0xB4] = 0xA9, [0xB5] = 0xA7, [0xB6] = 0xB6, [0xB7] = 0xBC, + [0xB8] = 0xBD, [0xB9] = 0xBE, [0xBA] = 0x5B, [0xBB] = 0x5D, + [0xBC] = 0xAF, [0xBD] = 0xA8, [0xBE] = 0xB4, [0xBF] = 0xD7, + [0xC0] = 0x7B, [0xC1] = 0x41, [0xC2] = 0x42, [0xC3] = 0x43, + [0xC4] = 0x44, [0xC5] = 0x45, [0xC6] = 0x46, [0xC7] = 0x47, + [0xC8] = 0x48, [0xC9] = 0x49, [0xCA] = 0xAD, [0xCB] = 0xF4, + [0xCC] = 0xF6, [0xCD] = 0xF2, [0xCE] = 0xF3, [0xCF] = 0xF5, + [0xD0] = 0x7D, [0xD1] = 0x4A, [0xD2] = 0x4B, [0xD3] = 0x4C, + [0xD4] = 0x4D, [0xD5] = 0x4E, [0xD6] = 0x4F, [0xD7] = 0x50, + [0xD8] = 0x51, [0xD9] = 0x52, [0xDA] = 0xB9, [0xDB] = 0xFB, + [0xDC] = 0xFC, [0xDD] = 0xF9, [0xDE] = 0xFA, [0xDF] = 0xFF, + [0xE0] = 0x5C, [0xE1] = 0xF7, [0xE2] = 0x53, [0xE3] = 0x54, + [0xE4] = 0x55, [0xE5] = 0x56, [0xE6] = 0x57, [0xE7] = 0x58, + [0xE8] = 0x59, [0xE9] = 0x5A, [0xEA] = 0xB2, [0xEB] = 0xD4, + [0xEC] = 0xD6, [0xED] = 0xD2, [0xEE] = 0xD3, [0xEF] = 0xD5, + [0xF0] = 0x30, [0xF1] = 0x31, [0xF2] = 0x32, [0xF3] = 0x33, + [0xF4] = 0x34, [0xF5] = 0x35, [0xF6] = 0x36, [0xF7] = 0x37, + [0xF8] = 0x38, [0xF9] = 0x39, [0xFA] = 0xB3, [0xFB] = 0xDB, + [0xFC] = 0xDC, [0xFD] = 0xD9, [0xFE] = 0xDA, [0xFF] = 0x9F +}; + +/* Definitions used in the body of the `gconv' function. */ +#define CHARSET_NAME "ISO-8859-1//" +#define FROM_LOOP iso8859_1_to_cp037_z900 +#define TO_LOOP cp037_to_iso8859_1_z900 +#define DEFINE_INIT 1 +#define DEFINE_FINI 1 +#define MIN_NEEDED_FROM 1 +#define MIN_NEEDED_TO 1 + +# if defined __s390x__ +# define BRANCH_ON_COUNT(REG,LBL) "brctg %" #REG "," #LBL "\n\t" +# else +# define BRANCH_ON_COUNT(REG,LBL) "brct %" #REG "," #LBL "\n\t" +# endif + +#define TR_LOOP(TABLE) \ + { \ + size_t length = (inend - inptr < outend - outptr \ + ? inend - inptr : outend - outptr); \ + \ + /* Process in 256 byte blocks. */ \ + if (__builtin_expect (length >= 256, 0)) \ + { \ + size_t blocks = length / 256; \ + __asm__ __volatile__("0: mvc 0(256,%[R_OUT]),0(%[R_IN])\n\t" \ + " tr 0(256,%[R_OUT]),0(%[R_TBL])\n\t" \ + " la %[R_IN],256(%[R_IN])\n\t" \ + " la %[R_OUT],256(%[R_OUT])\n\t" \ + BRANCH_ON_COUNT ([R_LI], 0b) \ + : /* outputs */ [R_IN] "+a" (inptr) \ + , [R_OUT] "+a" (outptr), [R_LI] "+d" (blocks) \ + : /* inputs */ [R_TBL] "a" (TABLE) \ + : /* clobber list */ "memory" \ + ); \ + length = length % 256; \ + } \ + \ + /* Process remaining 0...248 bytes in 8byte blocks. */ \ + if (length >= 8) \ + { \ + size_t blocks = length / 8; \ + for (int i = 0; i < blocks; i++) \ + { \ + outptr[0] = TABLE[inptr[0]]; \ + outptr[1] = TABLE[inptr[1]]; \ + outptr[2] = TABLE[inptr[2]]; \ + outptr[3] = TABLE[inptr[3]]; \ + outptr[4] = TABLE[inptr[4]]; \ + outptr[5] = TABLE[inptr[5]]; \ + outptr[6] = TABLE[inptr[6]]; \ + outptr[7] = TABLE[inptr[7]]; \ + inptr += 8; \ + outptr += 8; \ + } \ + length = length % 8; \ + } \ + \ + /* Process remaining 0...7 bytes. */ \ + switch (length) \ + { \ + case 7: outptr[6] = TABLE[inptr[6]]; \ + case 6: outptr[5] = TABLE[inptr[5]]; \ + case 5: outptr[4] = TABLE[inptr[4]]; \ + case 4: outptr[3] = TABLE[inptr[3]]; \ + case 3: outptr[2] = TABLE[inptr[2]]; \ + case 2: outptr[1] = TABLE[inptr[1]]; \ + case 1: outptr[0] = TABLE[inptr[0]]; \ + case 0: break; \ + } \ + inptr += length; \ + outptr += length; \ + } + + +/* First define the conversion function from ISO 8859-1 to CP037. */ +#define MIN_NEEDED_INPUT MIN_NEEDED_FROM +#define MIN_NEEDED_OUTPUT MIN_NEEDED_TO +#define LOOPFCT FROM_LOOP +#define BODY TR_LOOP (table_iso8859_1_to_cp037) + +#include <iconv/loop.c> + + +/* Next, define the conversion function from CP037 to ISO 8859-1. */ +#define MIN_NEEDED_INPUT MIN_NEEDED_TO +#define MIN_NEEDED_OUTPUT MIN_NEEDED_FROM +#define LOOPFCT TO_LOOP +#define BODY TR_LOOP (table_cp037_iso8859_1); + +#include <iconv/loop.c> + + +/* Now define the toplevel functions. */ +#include <iconv/skeleton.c> Index: glibc-2.22/sysdeps/s390/s390-64/Makefile =================================================================== --- glibc-2.22.orig/sysdeps/s390/s390-64/Makefile +++ glibc-2.22/sysdeps/s390/s390-64/Makefile @@ -9,35 +9,3 @@ CFLAGS-rtld.c += -Wno-uninitialized -Wno CFLAGS-dl-load.c += -Wno-unused CFLAGS-dl-reloc.c += -Wno-unused endif - -ifeq ($(subdir),iconvdata) -ISO-8859-1_CP037_Z900-routines := iso-8859-1_cp037_z900 -ISO-8859-1_CP037_Z900-map := gconv.map - -UTF8_UTF32_Z9-routines := utf8-utf32-z9 -UTF8_UTF32_Z9-map := gconv.map - -UTF16_UTF32_Z9-routines := utf16-utf32-z9 -UTF16_UTF32_Z9-map := gconv.map - -UTF8_UTF16_Z9-routines := utf8-utf16-z9 -UTF8_UTF16_Z9-map := gconv.map - -s390x-iconv-modules = ISO-8859-1_CP037_Z900 UTF8_UTF16_Z9 UTF16_UTF32_Z9 UTF8_UTF32_Z9 - -extra-modules-left += $(s390x-iconv-modules) -include extra-module.mk - -cpp-srcs-left := $(foreach mod,$(s390x-iconv-modules),$($(mod)-routines)) -lib := iconvdata -include $(patsubst %,$(..)cppflags-iterator.mk,$(cpp-srcs-left)) - -extra-objs += $(addsuffix .so, $(s390x-iconv-modules)) -install-others += $(patsubst %, $(inst_gconvdir)/%.so, $(s390x-iconv-modules)) - -$(patsubst %, $(inst_gconvdir)/%.so, $(s390x-iconv-modules)) : \ -$(inst_gconvdir)/%.so: $(objpfx)%.so $(+force) - $(do-install-program) - -sysdeps-gconv-modules = ../sysdeps/s390/gconv-modules -endif Index: glibc-2.22/sysdeps/s390/s390-64/iso-8859-1_cp037_z900.c =================================================================== --- glibc-2.22.orig/sysdeps/s390/s390-64/iso-8859-1_cp037_z900.c +++ /dev/null @@ -1,256 +0,0 @@ -/* Conversion between ISO 8859-1 and IBM037. - - This module uses the translate instruction. - Copyright (C) 1997-2015 Free Software Foundation, Inc. - - Author: Andreas Krebbel <Andreas.Krebbel@de.ibm.com> - Based on the work by Ulrich Drepper <drepper@cygnus.com>, 1997. - - Thanks to Daniel Appich who covered the relevant performance work - in his diploma thesis. - - This is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#include <dlfcn.h> -#include <stdint.h> - -// conversion table from ISO-8859-1 to IBM037 -static const unsigned char table_iso8859_1_to_cp037[256] -__attribute__ ((aligned (8))) = -{ - [0x00] = 0x00, [0x01] = 0x01, [0x02] = 0x02, [0x03] = 0x03, - [0x04] = 0x37, [0x05] = 0x2D, [0x06] = 0x2E, [0x07] = 0x2F, - [0x08] = 0x16, [0x09] = 0x05, [0x0A] = 0x25, [0x0B] = 0x0B, - [0x0C] = 0x0C, [0x0D] = 0x0D, [0x0E] = 0x0E, [0x0F] = 0x0F, - [0x10] = 0x10, [0x11] = 0x11, [0x12] = 0x12, [0x13] = 0x13, - [0x14] = 0x3C, [0x15] = 0x3D, [0x16] = 0x32, [0x17] = 0x26, - [0x18] = 0x18, [0x19] = 0x19, [0x1A] = 0x3F, [0x1B] = 0x27, - [0x1C] = 0x1C, [0x1D] = 0x1D, [0x1E] = 0x1E, [0x1F] = 0x1F, - [0x20] = 0x40, [0x21] = 0x5A, [0x22] = 0x7F, [0x23] = 0x7B, - [0x24] = 0x5B, [0x25] = 0x6C, [0x26] = 0x50, [0x27] = 0x7D, - [0x28] = 0x4D, [0x29] = 0x5D, [0x2A] = 0x5C, [0x2B] = 0x4E, - [0x2C] = 0x6B, [0x2D] = 0x60, [0x2E] = 0x4B, [0x2F] = 0x61, - [0x30] = 0xF0, [0x31] = 0xF1, [0x32] = 0xF2, [0x33] = 0xF3, - [0x34] = 0xF4, [0x35] = 0xF5, [0x36] = 0xF6, [0x37] = 0xF7, - [0x38] = 0xF8, [0x39] = 0xF9, [0x3A] = 0x7A, [0x3B] = 0x5E, - [0x3C] = 0x4C, [0x3D] = 0x7E, [0x3E] = 0x6E, [0x3F] = 0x6F, - [0x40] = 0x7C, [0x41] = 0xC1, [0x42] = 0xC2, [0x43] = 0xC3, - [0x44] = 0xC4, [0x45] = 0xC5, [0x46] = 0xC6, [0x47] = 0xC7, - [0x48] = 0xC8, [0x49] = 0xC9, [0x4A] = 0xD1, [0x4B] = 0xD2, - [0x4C] = 0xD3, [0x4D] = 0xD4, [0x4E] = 0xD5, [0x4F] = 0xD6, - [0x50] = 0xD7, [0x51] = 0xD8, [0x52] = 0xD9, [0x53] = 0xE2, - [0x54] = 0xE3, [0x55] = 0xE4, [0x56] = 0xE5, [0x57] = 0xE6, - [0x58] = 0xE7, [0x59] = 0xE8, [0x5A] = 0xE9, [0x5B] = 0xBA, - [0x5C] = 0xE0, [0x5D] = 0xBB, [0x5E] = 0xB0, [0x5F] = 0x6D, - [0x60] = 0x79, [0x61] = 0x81, [0x62] = 0x82, [0x63] = 0x83, - [0x64] = 0x84, [0x65] = 0x85, [0x66] = 0x86, [0x67] = 0x87, - [0x68] = 0x88, [0x69] = 0x89, [0x6A] = 0x91, [0x6B] = 0x92, - [0x6C] = 0x93, [0x6D] = 0x94, [0x6E] = 0x95, [0x6F] = 0x96, - [0x70] = 0x97, [0x71] = 0x98, [0x72] = 0x99, [0x73] = 0xA2, - [0x74] = 0xA3, [0x75] = 0xA4, [0x76] = 0xA5, [0x77] = 0xA6, - [0x78] = 0xA7, [0x79] = 0xA8, [0x7A] = 0xA9, [0x7B] = 0xC0, - [0x7C] = 0x4F, [0x7D] = 0xD0, [0x7E] = 0xA1, [0x7F] = 0x07, - [0x80] = 0x20, [0x81] = 0x21, [0x82] = 0x22, [0x83] = 0x23, - [0x84] = 0x24, [0x85] = 0x15, [0x86] = 0x06, [0x87] = 0x17, - [0x88] = 0x28, [0x89] = 0x29, [0x8A] = 0x2A, [0x8B] = 0x2B, - [0x8C] = 0x2C, [0x8D] = 0x09, [0x8E] = 0x0A, [0x8F] = 0x1B, - [0x90] = 0x30, [0x91] = 0x31, [0x92] = 0x1A, [0x93] = 0x33, - [0x94] = 0x34, [0x95] = 0x35, [0x96] = 0x36, [0x97] = 0x08, - [0x98] = 0x38, [0x99] = 0x39, [0x9A] = 0x3A, [0x9B] = 0x3B, - [0x9C] = 0x04, [0x9D] = 0x14, [0x9E] = 0x3E, [0x9F] = 0xFF, - [0xA0] = 0x41, [0xA1] = 0xAA, [0xA2] = 0x4A, [0xA3] = 0xB1, - [0xA4] = 0x9F, [0xA5] = 0xB2, [0xA6] = 0x6A, [0xA7] = 0xB5, - [0xA8] = 0xBD, [0xA9] = 0xB4, [0xAA] = 0x9A, [0xAB] = 0x8A, - [0xAC] = 0x5F, [0xAD] = 0xCA, [0xAE] = 0xAF, [0xAF] = 0xBC, - [0xB0] = 0x90, [0xB1] = 0x8F, [0xB2] = 0xEA, [0xB3] = 0xFA, - [0xB4] = 0xBE, [0xB5] = 0xA0, [0xB6] = 0xB6, [0xB7] = 0xB3, - [0xB8] = 0x9D, [0xB9] = 0xDA, [0xBA] = 0x9B, [0xBB] = 0x8B, - [0xBC] = 0xB7, [0xBD] = 0xB8, [0xBE] = 0xB9, [0xBF] = 0xAB, - [0xC0] = 0x64, [0xC1] = 0x65, [0xC2] = 0x62, [0xC3] = 0x66, - [0xC4] = 0x63, [0xC5] = 0x67, [0xC6] = 0x9E, [0xC7] = 0x68, - [0xC8] = 0x74, [0xC9] = 0x71, [0xCA] = 0x72, [0xCB] = 0x73, - [0xCC] = 0x78, [0xCD] = 0x75, [0xCE] = 0x76, [0xCF] = 0x77, - [0xD0] = 0xAC, [0xD1] = 0x69, [0xD2] = 0xED, [0xD3] = 0xEE, - [0xD4] = 0xEB, [0xD5] = 0xEF, [0xD6] = 0xEC, [0xD7] = 0xBF, - [0xD8] = 0x80, [0xD9] = 0xFD, [0xDA] = 0xFE, [0xDB] = 0xFB, - [0xDC] = 0xFC, [0xDD] = 0xAD, [0xDE] = 0xAE, [0xDF] = 0x59, - [0xE0] = 0x44, [0xE1] = 0x45, [0xE2] = 0x42, [0xE3] = 0x46, - [0xE4] = 0x43, [0xE5] = 0x47, [0xE6] = 0x9C, [0xE7] = 0x48, - [0xE8] = 0x54, [0xE9] = 0x51, [0xEA] = 0x52, [0xEB] = 0x53, - [0xEC] = 0x58, [0xED] = 0x55, [0xEE] = 0x56, [0xEF] = 0x57, - [0xF0] = 0x8C, [0xF1] = 0x49, [0xF2] = 0xCD, [0xF3] = 0xCE, - [0xF4] = 0xCB, [0xF5] = 0xCF, [0xF6] = 0xCC, [0xF7] = 0xE1, - [0xF8] = 0x70, [0xF9] = 0xDD, [0xFA] = 0xDE, [0xFB] = 0xDB, - [0xFC] = 0xDC, [0xFD] = 0x8D, [0xFE] = 0x8E, [0xFF] = 0xDF -}; - -// conversion table from IBM037 to ISO-8859-1 -static const unsigned char table_cp037_iso8859_1[256] -__attribute__ ((aligned (8))) = -{ - [0x00] = 0x00, [0x01] = 0x01, [0x02] = 0x02, [0x03] = 0x03, - [0x04] = 0x9C, [0x05] = 0x09, [0x06] = 0x86, [0x07] = 0x7F, - [0x08] = 0x97, [0x09] = 0x8D, [0x0A] = 0x8E, [0x0B] = 0x0B, - [0x0C] = 0x0C, [0x0D] = 0x0D, [0x0E] = 0x0E, [0x0F] = 0x0F, - [0x10] = 0x10, [0x11] = 0x11, [0x12] = 0x12, [0x13] = 0x13, - [0x14] = 0x9D, [0x15] = 0x85, [0x16] = 0x08, [0x17] = 0x87, - [0x18] = 0x18, [0x19] = 0x19, [0x1A] = 0x92, [0x1B] = 0x8F, - [0x1C] = 0x1C, [0x1D] = 0x1D, [0x1E] = 0x1E, [0x1F] = 0x1F, - [0x20] = 0x80, [0x21] = 0x81, [0x22] = 0x82, [0x23] = 0x83, - [0x24] = 0x84, [0x25] = 0x0A, [0x26] = 0x17, [0x27] = 0x1B, - [0x28] = 0x88, [0x29] = 0x89, [0x2A] = 0x8A, [0x2B] = 0x8B, - [0x2C] = 0x8C, [0x2D] = 0x05, [0x2E] = 0x06, [0x2F] = 0x07, - [0x30] = 0x90, [0x31] = 0x91, [0x32] = 0x16, [0x33] = 0x93, - [0x34] = 0x94, [0x35] = 0x95, [0x36] = 0x96, [0x37] = 0x04, - [0x38] = 0x98, [0x39] = 0x99, [0x3A] = 0x9A, [0x3B] = 0x9B, - [0x3C] = 0x14, [0x3D] = 0x15, [0x3E] = 0x9E, [0x3F] = 0x1A, - [0x40] = 0x20, [0x41] = 0xA0, [0x42] = 0xE2, [0x43] = 0xE4, - [0x44] = 0xE0, [0x45] = 0xE1, [0x46] = 0xE3, [0x47] = 0xE5, - [0x48] = 0xE7, [0x49] = 0xF1, [0x4A] = 0xA2, [0x4B] = 0x2E, - [0x4C] = 0x3C, [0x4D] = 0x28, [0x4E] = 0x2B, [0x4F] = 0x7C, - [0x50] = 0x26, [0x51] = 0xE9, [0x52] = 0xEA, [0x53] = 0xEB, - [0x54] = 0xE8, [0x55] = 0xED, [0x56] = 0xEE, [0x57] = 0xEF, - [0x58] = 0xEC, [0x59] = 0xDF, [0x5A] = 0x21, [0x5B] = 0x24, - [0x5C] = 0x2A, [0x5D] = 0x29, [0x5E] = 0x3B, [0x5F] = 0xAC, - [0x60] = 0x2D, [0x61] = 0x2F, [0x62] = 0xC2, [0x63] = 0xC4, - [0x64] = 0xC0, [0x65] = 0xC1, [0x66] = 0xC3, [0x67] = 0xC5, - [0x68] = 0xC7, [0x69] = 0xD1, [0x6A] = 0xA6, [0x6B] = 0x2C, - [0x6C] = 0x25, [0x6D] = 0x5F, [0x6E] = 0x3E, [0x6F] = 0x3F, - [0x70] = 0xF8, [0x71] = 0xC9, [0x72] = 0xCA, [0x73] = 0xCB, - [0x74] = 0xC8, [0x75] = 0xCD, [0x76] = 0xCE, [0x77] = 0xCF, - [0x78] = 0xCC, [0x79] = 0x60, [0x7A] = 0x3A, [0x7B] = 0x23, - [0x7C] = 0x40, [0x7D] = 0x27, [0x7E] = 0x3D, [0x7F] = 0x22, - [0x80] = 0xD8, [0x81] = 0x61, [0x82] = 0x62, [0x83] = 0x63, - [0x84] = 0x64, [0x85] = 0x65, [0x86] = 0x66, [0x87] = 0x67, - [0x88] = 0x68, [0x89] = 0x69, [0x8A] = 0xAB, [0x8B] = 0xBB, - [0x8C] = 0xF0, [0x8D] = 0xFD, [0x8E] = 0xFE, [0x8F] = 0xB1, - [0x90] = 0xB0, [0x91] = 0x6A, [0x92] = 0x6B, [0x93] = 0x6C, - [0x94] = 0x6D, [0x95] = 0x6E, [0x96] = 0x6F, [0x97] = 0x70, - [0x98] = 0x71, [0x99] = 0x72, [0x9A] = 0xAA, [0x9B] = 0xBA, - [0x9C] = 0xE6, [0x9D] = 0xB8, [0x9E] = 0xC6, [0x9F] = 0xA4, - [0xA0] = 0xB5, [0xA1] = 0x7E, [0xA2] = 0x73, [0xA3] = 0x74, - [0xA4] = 0x75, [0xA5] = 0x76, [0xA6] = 0x77, [0xA7] = 0x78, - [0xA8] = 0x79, [0xA9] = 0x7A, [0xAA] = 0xA1, [0xAB] = 0xBF, - [0xAC] = 0xD0, [0xAD] = 0xDD, [0xAE] = 0xDE, [0xAF] = 0xAE, - [0xB0] = 0x5E, [0xB1] = 0xA3, [0xB2] = 0xA5, [0xB3] = 0xB7, - [0xB4] = 0xA9, [0xB5] = 0xA7, [0xB6] = 0xB6, [0xB7] = 0xBC, - [0xB8] = 0xBD, [0xB9] = 0xBE, [0xBA] = 0x5B, [0xBB] = 0x5D, - [0xBC] = 0xAF, [0xBD] = 0xA8, [0xBE] = 0xB4, [0xBF] = 0xD7, - [0xC0] = 0x7B, [0xC1] = 0x41, [0xC2] = 0x42, [0xC3] = 0x43, - [0xC4] = 0x44, [0xC5] = 0x45, [0xC6] = 0x46, [0xC7] = 0x47, - [0xC8] = 0x48, [0xC9] = 0x49, [0xCA] = 0xAD, [0xCB] = 0xF4, - [0xCC] = 0xF6, [0xCD] = 0xF2, [0xCE] = 0xF3, [0xCF] = 0xF5, - [0xD0] = 0x7D, [0xD1] = 0x4A, [0xD2] = 0x4B, [0xD3] = 0x4C, - [0xD4] = 0x4D, [0xD5] = 0x4E, [0xD6] = 0x4F, [0xD7] = 0x50, - [0xD8] = 0x51, [0xD9] = 0x52, [0xDA] = 0xB9, [0xDB] = 0xFB, - [0xDC] = 0xFC, [0xDD] = 0xF9, [0xDE] = 0xFA, [0xDF] = 0xFF, - [0xE0] = 0x5C, [0xE1] = 0xF7, [0xE2] = 0x53, [0xE3] = 0x54, - [0xE4] = 0x55, [0xE5] = 0x56, [0xE6] = 0x57, [0xE7] = 0x58, - [0xE8] = 0x59, [0xE9] = 0x5A, [0xEA] = 0xB2, [0xEB] = 0xD4, - [0xEC] = 0xD6, [0xED] = 0xD2, [0xEE] = 0xD3, [0xEF] = 0xD5, - [0xF0] = 0x30, [0xF1] = 0x31, [0xF2] = 0x32, [0xF3] = 0x33, - [0xF4] = 0x34, [0xF5] = 0x35, [0xF6] = 0x36, [0xF7] = 0x37, - [0xF8] = 0x38, [0xF9] = 0x39, [0xFA] = 0xB3, [0xFB] = 0xDB, - [0xFC] = 0xDC, [0xFD] = 0xD9, [0xFE] = 0xDA, [0xFF] = 0x9F -}; - -/* Definitions used in the body of the `gconv' function. */ -#define CHARSET_NAME "ISO-8859-1//" -#define FROM_LOOP iso8859_1_to_cp037_z900 -#define TO_LOOP cp037_to_iso8859_1_z900 -#define DEFINE_INIT 1 -#define DEFINE_FINI 1 -#define MIN_NEEDED_FROM 1 -#define MIN_NEEDED_TO 1 - -#define TR_LOOP(TABLE) \ - { \ - size_t length = (inend - inptr < outend - outptr \ - ? inend - inptr : outend - outptr); \ - \ - /* Process in 256 byte blocks. */ \ - if (__builtin_expect (length >= 256, 0)) \ - { \ - size_t blocks = length / 256; \ - __asm__ __volatile__("0: mvc 0(256,%[R_OUT]),0(%[R_IN])\n\t" \ - " tr 0(256,%[R_OUT]),0(%[R_TBL])\n\t" \ - " la %[R_IN],256(%[R_IN])\n\t" \ - " la %[R_OUT],256(%[R_OUT])\n\t" \ - " brctg %[R_LI],0b\n\t" \ - : /* outputs */ [R_IN] "+a" (inptr) \ - , [R_OUT] "+a" (outptr), [R_LI] "+d" (blocks) \ - : /* inputs */ [R_TBL] "a" (TABLE) \ - : /* clobber list */ "memory" \ - ); \ - length = length % 256; \ - } \ - \ - /* Process remaining 0...248 bytes in 8byte blocks. */ \ - if (length >= 8) \ - { \ - size_t blocks = length / 8; \ - for (int i = 0; i < blocks; i++) \ - { \ - outptr[0] = TABLE[inptr[0]]; \ - outptr[1] = TABLE[inptr[1]]; \ - outptr[2] = TABLE[inptr[2]]; \ - outptr[3] = TABLE[inptr[3]]; \ - outptr[4] = TABLE[inptr[4]]; \ - outptr[5] = TABLE[inptr[5]]; \ - outptr[6] = TABLE[inptr[6]]; \ - outptr[7] = TABLE[inptr[7]]; \ - inptr += 8; \ - outptr += 8; \ - } \ - length = length % 8; \ - } \ - \ - /* Process remaining 0...7 bytes. */ \ - switch (length) \ - { \ - case 7: outptr[6] = TABLE[inptr[6]]; \ - case 6: outptr[5] = TABLE[inptr[5]]; \ - case 5: outptr[4] = TABLE[inptr[4]]; \ - case 4: outptr[3] = TABLE[inptr[3]]; \ - case 3: outptr[2] = TABLE[inptr[2]]; \ - case 2: outptr[1] = TABLE[inptr[1]]; \ - case 1: outptr[0] = TABLE[inptr[0]]; \ - case 0: break; \ - } \ - inptr += length; \ - outptr += length; \ - } - - -/* First define the conversion function from ISO 8859-1 to CP037. */ -#define MIN_NEEDED_INPUT MIN_NEEDED_FROM -#define MIN_NEEDED_OUTPUT MIN_NEEDED_TO -#define LOOPFCT FROM_LOOP -#define BODY TR_LOOP (table_iso8859_1_to_cp037) - -#include <iconv/loop.c> - - -/* Next, define the conversion function from CP037 to ISO 8859-1. */ -#define MIN_NEEDED_INPUT MIN_NEEDED_TO -#define MIN_NEEDED_OUTPUT MIN_NEEDED_FROM -#define LOOPFCT TO_LOOP -#define BODY TR_LOOP (table_cp037_iso8859_1); - -#include <iconv/loop.c> - - -/* Now define the toplevel functions. */ -#include <iconv/skeleton.c> Index: glibc-2.22/sysdeps/s390/s390-64/utf16-utf32-z9.c =================================================================== --- glibc-2.22.orig/sysdeps/s390/s390-64/utf16-utf32-z9.c +++ /dev/null @@ -1,624 +0,0 @@ -/* Conversion between UTF-16 and UTF-32 BE/internal. - - This module uses the Z9-109 variants of the Convert Unicode - instructions. - Copyright (C) 1997-2015 Free Software Foundation, Inc. - - Author: Andreas Krebbel <Andreas.Krebbel@de.ibm.com> - Based on the work by Ulrich Drepper <drepper@cygnus.com>, 1997. - - Thanks to Daniel Appich who covered the relevant performance work - in his diploma thesis. - - This is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#include <dlfcn.h> -#include <stdint.h> -#include <unistd.h> -#include <dl-procinfo.h> -#include <gconv.h> - -#if defined HAVE_S390_VX_GCC_SUPPORT -# define ASM_CLOBBER_VR(NR) , NR -#else -# define ASM_CLOBBER_VR(NR) -#endif - -/* UTF-32 big endian byte order mark. */ -#define BOM_UTF32 0x0000feffu - -/* UTF-16 big endian byte order mark. */ -#define BOM_UTF16 0xfeff - -#define DEFINE_INIT 0 -#define DEFINE_FINI 0 -#define MIN_NEEDED_FROM 2 -#define MAX_NEEDED_FROM 4 -#define MIN_NEEDED_TO 4 -#define FROM_LOOP __from_utf16_loop -#define TO_LOOP __to_utf16_loop -#define FROM_DIRECTION (dir == from_utf16) -#define ONE_DIRECTION 0 - -/* Direction of the transformation. */ -enum direction -{ - illegal_dir, - to_utf16, - from_utf16 -}; - -struct utf16_data -{ - enum direction dir; - int emit_bom; -}; - - -extern int gconv_init (struct __gconv_step *step); -int -gconv_init (struct __gconv_step *step) -{ - /* Determine which direction. */ - struct utf16_data *new_data; - enum direction dir = illegal_dir; - int emit_bom; - int result; - - emit_bom = (__strcasecmp (step->__to_name, "UTF-32//") == 0 - || __strcasecmp (step->__to_name, "UTF-16//") == 0); - - if (__strcasecmp (step->__from_name, "UTF-16BE//") == 0 - && (__strcasecmp (step->__to_name, "UTF-32//") == 0 - || __strcasecmp (step->__to_name, "UTF-32BE//") == 0 - || __strcasecmp (step->__to_name, "INTERNAL") == 0)) - { - dir = from_utf16; - } - else if ((__strcasecmp (step->__to_name, "UTF-16//") == 0 - || __strcasecmp (step->__to_name, "UTF-16BE//") == 0) - && (__strcasecmp (step->__from_name, "UTF-32BE//") == 0 - || __strcasecmp (step->__from_name, "INTERNAL") == 0)) - { - dir = to_utf16; - } - - result = __GCONV_NOCONV; - if (dir != illegal_dir) - { - new_data = (struct utf16_data *) malloc (sizeof (struct utf16_data)); - - result = __GCONV_NOMEM; - if (new_data != NULL) - { - new_data->dir = dir; - new_data->emit_bom = emit_bom; - step->__data = new_data; - - if (dir == from_utf16) - { - step->__min_needed_from = MIN_NEEDED_FROM; - step->__max_needed_from = MIN_NEEDED_FROM; - step->__min_needed_to = MIN_NEEDED_TO; - step->__max_needed_to = MIN_NEEDED_TO; - } - else - { - step->__min_needed_from = MIN_NEEDED_TO; - step->__max_needed_from = MIN_NEEDED_TO; - step->__min_needed_to = MIN_NEEDED_FROM; - step->__max_needed_to = MIN_NEEDED_FROM; - } - - step->__stateful = 0; - - result = __GCONV_OK; - } - } - - return result; -} - - -extern void gconv_end (struct __gconv_step *data); -void -gconv_end (struct __gconv_step *data) -{ - free (data->__data); -} - -/* The macro for the hardware loop. This is used for both - directions. */ -#define HARDWARE_CONVERT(INSTRUCTION) \ - { \ - register const unsigned char* pInput asm ("8") = inptr; \ - register unsigned long long inlen asm ("9") = inend - inptr; \ - register unsigned char* pOutput asm ("10") = outptr; \ - register unsigned long long outlen asm("11") = outend - outptr; \ - uint64_t cc = 0; \ - \ - __asm__ __volatile__ (".machine push \n\t" \ - ".machine \"z9-109\" \n\t" \ - "0: " INSTRUCTION " \n\t" \ - ".machine pop \n\t" \ - " jo 0b \n\t" \ - " ipm %2 \n" \ - : "+a" (pOutput), "+a" (pInput), "+d" (cc), \ - "+d" (outlen), "+d" (inlen) \ - : \ - : "cc", "memory"); \ - \ - inptr = pInput; \ - outptr = pOutput; \ - cc >>= 28; \ - \ - if (cc == 1) \ - { \ - result = __GCONV_FULL_OUTPUT; \ - } \ - else if (cc == 2) \ - { \ - result = __GCONV_ILLEGAL_INPUT; \ - } \ - } - -#define PREPARE_LOOP \ - enum direction dir = ((struct utf16_data *) step->__data)->dir; \ - int emit_bom = ((struct utf16_data *) step->__data)->emit_bom; \ - \ - if (emit_bom && !data->__internal_use \ - && data->__invocation_counter == 0) \ - { \ - if (dir == to_utf16) \ - { \ - /* Emit the UTF-16 Byte Order Mark. */ \ - if (__glibc_unlikely (outbuf + 2 > outend)) \ - return __GCONV_FULL_OUTPUT; \ - \ - put16u (outbuf, BOM_UTF16); \ - outbuf += 2; \ - } \ - else \ - { \ - /* Emit the UTF-32 Byte Order Mark. */ \ - if (__glibc_unlikely (outbuf + 4 > outend)) \ - return __GCONV_FULL_OUTPUT; \ - \ - put32u (outbuf, BOM_UTF32); \ - outbuf += 4; \ - } \ - } - -/* Conversion function from UTF-16 to UTF-32 internal/BE. */ - -/* The software routine is copied from utf-16.c (minus bytes - swapping). */ -#define BODY_FROM_C \ - { \ - uint16_t u1 = get16 (inptr); \ - \ - if (__builtin_expect (u1 < 0xd800, 1) || u1 > 0xdfff) \ - { \ - /* No surrogate. */ \ - put32 (outptr, u1); \ - inptr += 2; \ - } \ - else \ - { \ - /* An isolated low-surrogate was found. This has to be \ - considered ill-formed. */ \ - if (__glibc_unlikely (u1 >= 0xdc00)) \ - { \ - STANDARD_FROM_LOOP_ERR_HANDLER (2); \ - } \ - /* It's a surrogate character. At least the first word says \ - it is. */ \ - if (__glibc_unlikely (inptr + 4 > inend)) \ - { \ - /* We don't have enough input for another complete input \ - character. */ \ - result = __GCONV_INCOMPLETE_INPUT; \ - break; \ - } \ - \ - inptr += 2; \ - uint16_t u2 = get16 (inptr); \ - if (__builtin_expect (u2 < 0xdc00, 0) \ - || __builtin_expect (u2 > 0xdfff, 0)) \ - { \ - /* This is no valid second word for a surrogate. */ \ - inptr -= 2; \ - STANDARD_FROM_LOOP_ERR_HANDLER (2); \ - } \ - \ - put32 (outptr, ((u1 - 0xd7c0) << 10) + (u2 - 0xdc00)); \ - inptr += 2; \ - } \ - outptr += 4; \ - } - -#define BODY_FROM_VX \ - { \ - size_t inlen = inend - inptr; \ - size_t outlen = outend - outptr; \ - unsigned long tmp, tmp2, tmp3; \ - asm volatile (".machine push\n\t" \ - ".machine \"z13\"\n\t" \ - ".machinemode \"zarch_nohighgprs\"\n\t" \ - /* Setup to check for surrogates. */ \ - " larl %[R_TMP],9f\n\t" \ - " vlm %%v30,%%v31,0(%[R_TMP])\n\t" \ - /* Loop which handles UTF-16 chars <0xd800, >0xdfff. */ \ - "0: clgijl %[R_INLEN],16,2f\n\t" \ - " clgijl %[R_OUTLEN],32,2f\n\t" \ - "1: vl %%v16,0(%[R_IN])\n\t" \ - /* Check for surrogate chars. */ \ - " vstrchs %%v19,%%v16,%%v30,%%v31\n\t" \ - " jno 10f\n\t" \ - /* Enlarge to UTF-32. */ \ - " vuplhh %%v17,%%v16\n\t" \ - " la %[R_IN],16(%[R_IN])\n\t" \ - " vupllh %%v18,%%v16\n\t" \ - " aghi %[R_INLEN],-16\n\t" \ - /* Store 32 bytes to buf_out. */ \ - " vstm %%v17,%%v18,0(%[R_OUT])\n\t" \ - " aghi %[R_OUTLEN],-32\n\t" \ - " la %[R_OUT],32(%[R_OUT])\n\t" \ - " clgijl %[R_INLEN],16,2f\n\t" \ - " clgijl %[R_OUTLEN],32,2f\n\t" \ - " j 1b\n\t" \ - /* Setup to check for ch >= 0xd800 && ch <= 0xdfff. (v30, v31) */ \ - "9: .short 0xd800,0xdfff,0x0,0x0,0x0,0x0,0x0,0x0\n\t" \ - " .short 0xa000,0xc000,0x0,0x0,0x0,0x0,0x0,0x0\n\t" \ - /* At least on uint16_t is in range of surrogates. \ - Store the preceding chars. */ \ - "10: vlgvb %[R_TMP],%%v19,7\n\t" \ - " vuplhh %%v17,%%v16\n\t" \ - " sllg %[R_TMP3],%[R_TMP],1\n\t" /* Number of out bytes. */ \ - " ahik %[R_TMP2],%[R_TMP3],-1\n\t" /* Highest index to store. */ \ - " jl 12f\n\t" \ - " vstl %%v17,%[R_TMP2],0(%[R_OUT])\n\t" \ - " vupllh %%v18,%%v16\n\t" \ - " ahi %[R_TMP2],-16\n\t" \ - " jl 11f\n\t" \ - " vstl %%v18,%[R_TMP2],16(%[R_OUT])\n\t" \ - "11: \n\t" /* Update pointers. */ \ - " la %[R_IN],0(%[R_TMP],%[R_IN])\n\t" \ - " slgr %[R_INLEN],%[R_TMP]\n\t" \ - " la %[R_OUT],0(%[R_TMP3],%[R_OUT])\n\t" \ - " slgr %[R_OUTLEN],%[R_TMP3]\n\t" \ - /* Calculate remaining uint16_t values in loaded vrs. */ \ - "12: lghi %[R_TMP2],16\n\t" \ - " sgr %[R_TMP2],%[R_TMP]\n\t" \ - " srl %[R_TMP2],1\n\t" \ - " llh %[R_TMP],0(%[R_IN])\n\t" \ - " aghi %[R_OUTLEN],-4\n\t" \ - " j 16f\n\t" \ - /* Handle remaining bytes. */ \ - "2: \n\t" \ - /* Zero, one or more bytes available? */ \ - " clgfi %[R_INLEN],1\n\t" \ - " je 97f\n\t" /* Only one byte available. */ \ - " jl 99f\n\t" /* End if no bytes available. */ \ - /* Calculate remaining uint16_t values in inptr. */ \ - " srlg %[R_TMP2],%[R_INLEN],1\n\t" \ - /* Handle remaining uint16_t values. */ \ - "13: llh %[R_TMP],0(%[R_IN])\n\t" \ - " slgfi %[R_OUTLEN],4\n\t" \ - " jl 96f \n\t" \ - " clfi %[R_TMP],0xd800\n\t" \ - " jhe 15f\n\t" \ - "14: st %[R_TMP],0(%[R_OUT])\n\t" \ - " la %[R_IN],2(%[R_IN])\n\t" \ - " aghi %[R_INLEN],-2\n\t" \ - " la %[R_OUT],4(%[R_OUT])\n\t" \ - " brctg %[R_TMP2],13b\n\t" \ - " j 0b\n\t" /* Switch to vx-loop. */ \ - /* Handle UTF-16 surrogate pair. */ \ - "15: clfi %[R_TMP],0xdfff\n\t" \ - " jh 14b\n\t" /* Jump away if ch > 0xdfff. */ \ - "16: clfi %[R_TMP],0xdc00\n\t" \ - " jhe 98f\n\t" /* Jump away in case of low-surrogate. */ \ - " slgfi %[R_INLEN],4\n\t" \ - " jl 97f\n\t" /* Big enough input? */ \ - " llh %[R_TMP3],2(%[R_IN])\n\t" /* Load low surrogate. */ \ - " slfi %[R_TMP],0xd7c0\n\t" \ - " sll %[R_TMP],10\n\t" \ - " risbgn %[R_TMP],%[R_TMP3],54,63,0\n\t" /* Insert klmnopqrst. */ \ - " nilf %[R_TMP3],0xfc00\n\t" \ - " clfi %[R_TMP3],0xdc00\n\t" /* Check if it starts with 0xdc00. */ \ - " jne 98f\n\t" \ - " st %[R_TMP],0(%[R_OUT])\n\t" \ - " la %[R_IN],4(%[R_IN])\n\t" \ - " la %[R_OUT],4(%[R_OUT])\n\t" \ - " aghi %[R_TMP2],-2\n\t" \ - " jh 13b\n\t" /* Handle remaining uint16_t values. */ \ - " j 0b\n\t" /* Switch to vx-loop. */ \ - "96: \n\t" /* Return full output. */ \ - " lghi %[R_RES],%[RES_OUT_FULL]\n\t" \ - " j 99f\n\t" \ - "97: \n\t" /* Return incomplete input. */ \ - " lghi %[R_RES],%[RES_IN_FULL]\n\t" \ - " j 99f\n\t" \ - "98:\n\t" /* Return Illegal character. */ \ - " lghi %[R_RES],%[RES_IN_ILL]\n\t" \ - "99:\n\t" \ - ".machine pop" \ - : /* outputs */ [R_IN] "+a" (inptr) \ - , [R_INLEN] "+d" (inlen), [R_OUT] "+a" (outptr) \ - , [R_OUTLEN] "+d" (outlen), [R_TMP] "=a" (tmp) \ - , [R_TMP2] "=d" (tmp2), [R_TMP3] "=a" (tmp3) \ - , [R_RES] "+d" (result) \ - : /* inputs */ \ - [RES_OUT_FULL] "i" (__GCONV_FULL_OUTPUT) \ - , [RES_IN_ILL] "i" (__GCONV_ILLEGAL_INPUT) \ - , [RES_IN_FULL] "i" (__GCONV_INCOMPLETE_INPUT) \ - : /* clobber list */ "memory", "cc" \ - ASM_CLOBBER_VR ("v16") ASM_CLOBBER_VR ("v17") \ - ASM_CLOBBER_VR ("v18") ASM_CLOBBER_VR ("v19") \ - ASM_CLOBBER_VR ("v30") ASM_CLOBBER_VR ("v31") \ - ); \ - if (__glibc_likely (inptr == inend) \ - || result != __GCONV_ILLEGAL_INPUT) \ - break; \ - \ - STANDARD_FROM_LOOP_ERR_HANDLER (2); \ - } - - -/* Generate loop-function with software routing. */ -#define MIN_NEEDED_INPUT MIN_NEEDED_FROM -#define MAX_NEEDED_INPUT MAX_NEEDED_FROM -#define MIN_NEEDED_OUTPUT MIN_NEEDED_TO -#if defined HAVE_S390_VX_ASM_SUPPORT -# define LOOPFCT __from_utf16_loop_c -# define LOOP_NEED_FLAGS -# define BODY BODY_FROM_C -# include <iconv/loop.c> - -/* Generate loop-function with hardware vector instructions. */ -# define MIN_NEEDED_INPUT MIN_NEEDED_FROM -# define MAX_NEEDED_INPUT MAX_NEEDED_FROM -# define MIN_NEEDED_OUTPUT MIN_NEEDED_TO -# define LOOPFCT __from_utf16_loop_vx -# define LOOP_NEED_FLAGS -# define BODY BODY_FROM_VX -# include <iconv/loop.c> - -/* Generate ifunc'ed loop function. */ -__typeof(__from_utf16_loop_c) -__attribute__ ((ifunc ("__from_utf16_loop_resolver"))) -__from_utf16_loop; - -static void * -__from_utf16_loop_resolver (unsigned long int dl_hwcap) -{ - if (dl_hwcap & HWCAP_S390_VX) - return __from_utf16_loop_vx; - else - return __from_utf16_loop_c; -} - -strong_alias (__from_utf16_loop_c_single, __from_utf16_loop_single) -#else -# define LOOPFCT FROM_LOOP -# define LOOP_NEED_FLAGS -# define BODY BODY_FROM_C -# include <iconv/loop.c> -#endif - -/* Conversion from UTF-32 internal/BE to UTF-16. */ - -/* The software routine is copied from utf-16.c (minus bytes - swapping). */ -#define BODY_TO_C \ - { \ - uint32_t c = get32 (inptr); \ - \ - if (__builtin_expect (c <= 0xd7ff, 1) \ - || (c >=0xdc00 && c <= 0xffff)) \ - { \ - /* Two UTF-16 chars. */ \ - put16 (outptr, c); \ - } \ - else if (__builtin_expect (c >= 0x10000, 1) \ - && __builtin_expect (c <= 0x10ffff, 1)) \ - { \ - /* Four UTF-16 chars. */ \ - uint16_t zabcd = ((c & 0x1f0000) >> 16) - 1; \ - uint16_t out; \ - \ - /* Generate a surrogate character. */ \ - if (__glibc_unlikely (outptr + 4 > outend)) \ - { \ - /* Overflow in the output buffer. */ \ - result = __GCONV_FULL_OUTPUT; \ - break; \ - } \ - \ - out = 0xd800; \ - out |= (zabcd & 0xff) << 6; \ - out |= (c >> 10) & 0x3f; \ - put16 (outptr, out); \ - outptr += 2; \ - \ - out = 0xdc00; \ - out |= c & 0x3ff; \ - put16 (outptr, out); \ - } \ - else \ - { \ - STANDARD_TO_LOOP_ERR_HANDLER (4); \ - } \ - outptr += 2; \ - inptr += 4; \ - } - -#define BODY_TO_ETF3EH \ - { \ - HARDWARE_CONVERT ("cu42 %0, %1"); \ - \ - if (__glibc_likely (inptr == inend) \ - || result == __GCONV_FULL_OUTPUT) \ - break; \ - \ - if (inptr + 4 > inend) \ - { \ - result = __GCONV_INCOMPLETE_INPUT; \ - break; \ - } \ - \ - STANDARD_TO_LOOP_ERR_HANDLER (4); \ - } - -#define BODY_TO_VX \ - { \ - register const unsigned char* pInput asm ("8") = inptr; \ - register size_t inlen asm ("9") = inend - inptr; \ - register unsigned char* pOutput asm ("10") = outptr; \ - register size_t outlen asm("11") = outend - outptr; \ - unsigned long tmp, tmp2, tmp3; \ - asm volatile (".machine push\n\t" \ - ".machine \"z13\"\n\t" \ - ".machinemode \"zarch_nohighgprs\"\n\t" \ - /* Setup to check for surrogates. */ \ - " larl %[R_TMP],9f\n\t" \ - " vlm %%v30,%%v31,0(%[R_TMP])\n\t" \ - /* Loop which handles UTF-16 chars \ - ch < 0xd800 || (ch > 0xdfff && ch < 0x10000). */ \ - "0: clgijl %[R_INLEN],32,20f\n\t" \ - " clgijl %[R_OUTLEN],16,20f\n\t" \ - "1: vlm %%v16,%%v17,0(%[R_IN])\n\t" \ - " lghi %[R_TMP2],0\n\t" \ - /* Shorten to UTF-16. */ \ - " vpkf %%v18,%%v16,%%v17\n\t" \ - /* Check for surrogate chars. */ \ - " vstrcfs %%v19,%%v16,%%v30,%%v31\n\t" \ - " jno 10f\n\t" \ - " vstrcfs %%v19,%%v17,%%v30,%%v31\n\t" \ - " jno 11f\n\t" \ - /* Store 16 bytes to buf_out. */ \ - " vst %%v18,0(%[R_OUT])\n\t" \ - " la %[R_IN],32(%[R_IN])\n\t" \ - " aghi %[R_INLEN],-32\n\t" \ - " aghi %[R_OUTLEN],-16\n\t" \ - " la %[R_OUT],16(%[R_OUT])\n\t" \ - " clgijl %[R_INLEN],32,20f\n\t" \ - " clgijl %[R_OUTLEN],16,20f\n\t" \ - " j 1b\n\t" \ - /* Setup to check for ch >= 0xd800 && ch <= 0xdfff \ - and check for ch >= 0x10000. (v30, v31) */ \ - "9: .long 0xd800,0xdfff,0x10000,0x10000\n\t" \ - " .long 0xa0000000,0xc0000000, 0xa0000000,0xa0000000\n\t" \ - /* At least on UTF32 char is in range of surrogates. \ - Store the preceding characters. */ \ - "11: ahi %[R_TMP2],16\n\t" \ - "10: vlgvb %[R_TMP],%%v19,7\n\t" \ - " agr %[R_TMP],%[R_TMP2]\n\t" \ - " srlg %[R_TMP3],%[R_TMP],1\n\t" /* Number of out bytes. */ \ - " ahik %[R_TMP2],%[R_TMP3],-1\n\t" /* Highest index to store. */ \ - " jl 20f\n\t" \ - " vstl %%v18,%[R_TMP2],0(%[R_OUT])\n\t" \ - /* Update pointers. */ \ - " la %[R_IN],0(%[R_TMP],%[R_IN])\n\t" \ - " slgr %[R_INLEN],%[R_TMP]\n\t" \ - " la %[R_OUT],0(%[R_TMP3],%[R_OUT])\n\t" \ - " slgr %[R_OUTLEN],%[R_TMP3]\n\t" \ - /* Handles UTF16 surrogates with convert instruction. */ \ - "20: cu42 %[R_OUT],%[R_IN]\n\t" \ - " jo 0b\n\t" /* Try vector implemenation again. */ \ - " lochil %[R_RES],%[RES_OUT_FULL]\n\t" /* cc == 1. */ \ - " lochih %[R_RES],%[RES_IN_ILL]\n\t" /* cc == 2. */ \ - ".machine pop" \ - : /* outputs */ [R_IN] "+a" (pInput) \ - , [R_INLEN] "+d" (inlen), [R_OUT] "+a" (pOutput) \ - , [R_OUTLEN] "+d" (outlen), [R_TMP] "=a" (tmp) \ - , [R_TMP2] "=d" (tmp2), [R_TMP3] "=a" (tmp3) \ - , [R_RES] "+d" (result) \ - : /* inputs */ \ - [RES_OUT_FULL] "i" (__GCONV_FULL_OUTPUT) \ - , [RES_IN_ILL] "i" (__GCONV_ILLEGAL_INPUT) \ - , [RES_IN_FULL] "i" (__GCONV_INCOMPLETE_INPUT) \ - : /* clobber list */ "memory", "cc" \ - ASM_CLOBBER_VR ("v16") ASM_CLOBBER_VR ("v17") \ - ASM_CLOBBER_VR ("v18") ASM_CLOBBER_VR ("v19") \ - ASM_CLOBBER_VR ("v30") ASM_CLOBBER_VR ("v31") \ - ); \ - inptr = pInput; \ - outptr = pOutput; \ - \ - if (__glibc_likely (inptr == inend) \ - || result == __GCONV_FULL_OUTPUT) \ - break; \ - if (inptr + 4 > inend) \ - { \ - result = __GCONV_INCOMPLETE_INPUT; \ - break; \ - } \ - STANDARD_TO_LOOP_ERR_HANDLER (4); \ - } - -/* Generate loop-function with software routing. */ -#define MIN_NEEDED_INPUT MIN_NEEDED_TO -#define MIN_NEEDED_OUTPUT MIN_NEEDED_FROM -#define MAX_NEEDED_OUTPUT MAX_NEEDED_FROM -#define LOOPFCT __to_utf16_loop_c -#define LOOP_NEED_FLAGS -#define BODY BODY_TO_C -#include <iconv/loop.c> - -/* Generate loop-function with hardware utf-convert instruction. */ -#define MIN_NEEDED_INPUT MIN_NEEDED_TO -#define MIN_NEEDED_OUTPUT MIN_NEEDED_FROM -#define MAX_NEEDED_OUTPUT MAX_NEEDED_FROM -#define LOOPFCT __to_utf16_loop_etf3eh -#define LOOP_NEED_FLAGS -#define BODY BODY_TO_ETF3EH -#include <iconv/loop.c> - -#if defined HAVE_S390_VX_ASM_SUPPORT -/* Generate loop-function with hardware vector instructions. */ -# define MIN_NEEDED_INPUT MIN_NEEDED_TO -# define MIN_NEEDED_OUTPUT MIN_NEEDED_FROM -# define MAX_NEEDED_OUTPUT MAX_NEEDED_FROM -# define LOOPFCT __to_utf16_loop_vx -# define LOOP_NEED_FLAGS -# define BODY BODY_TO_VX -# include <iconv/loop.c> -#endif - -/* Generate ifunc'ed loop function. */ -__typeof(__to_utf16_loop_c) -__attribute__ ((ifunc ("__to_utf16_loop_resolver"))) -__to_utf16_loop; - -static void * -__to_utf16_loop_resolver (unsigned long int dl_hwcap) -{ -#if defined HAVE_S390_VX_ASM_SUPPORT - if (dl_hwcap & HWCAP_S390_VX) - return __to_utf16_loop_vx; - else -#endif - if (dl_hwcap & HWCAP_S390_ETF3EH) - return __to_utf16_loop_etf3eh; - else - return __to_utf16_loop_c; -} - -strong_alias (__to_utf16_loop_c_single, __to_utf16_loop_single) - - -#include <iconv/skeleton.c> Index: glibc-2.22/sysdeps/s390/s390-64/utf8-utf16-z9.c =================================================================== --- glibc-2.22.orig/sysdeps/s390/s390-64/utf8-utf16-z9.c +++ /dev/null @@ -1,806 +0,0 @@ -/* Conversion between UTF-16 and UTF-32 BE/internal. - - This module uses the Z9-109 variants of the Convert Unicode - instructions. - Copyright (C) 1997-2015 Free Software Foundation, Inc. - - Author: Andreas Krebbel <Andreas.Krebbel@de.ibm.com> - Based on the work by Ulrich Drepper <drepper@cygnus.com>, 1997. - - Thanks to Daniel Appich who covered the relevant performance work - in his diploma thesis. - - This is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#include <dlfcn.h> -#include <stdint.h> -#include <unistd.h> -#include <dl-procinfo.h> -#include <gconv.h> - -#if defined HAVE_S390_VX_GCC_SUPPORT -# define ASM_CLOBBER_VR(NR) , NR -#else -# define ASM_CLOBBER_VR(NR) -#endif - -/* Defines for skeleton.c. */ -#define DEFINE_INIT 0 -#define DEFINE_FINI 0 -#define MIN_NEEDED_FROM 1 -#define MAX_NEEDED_FROM 4 -#define MIN_NEEDED_TO 2 -#define MAX_NEEDED_TO 4 -#define FROM_LOOP __from_utf8_loop -#define TO_LOOP __to_utf8_loop -#define FROM_DIRECTION (dir == from_utf8) -#define ONE_DIRECTION 0 - - -/* UTF-16 big endian byte order mark. */ -#define BOM_UTF16 0xfeff - -/* Direction of the transformation. */ -enum direction -{ - illegal_dir, - to_utf8, - from_utf8 -}; - -struct utf8_data -{ - enum direction dir; - int emit_bom; -}; - - -extern int gconv_init (struct __gconv_step *step); -int -gconv_init (struct __gconv_step *step) -{ - /* Determine which direction. */ - struct utf8_data *new_data; - enum direction dir = illegal_dir; - int emit_bom; - int result; - - emit_bom = (__strcasecmp (step->__to_name, "UTF-16//") == 0); - - if (__strcasecmp (step->__from_name, "ISO-10646/UTF8/") == 0 - && (__strcasecmp (step->__to_name, "UTF-16//") == 0 - || __strcasecmp (step->__to_name, "UTF-16BE//") == 0)) - { - dir = from_utf8; - } - else if (__strcasecmp (step->__from_name, "UTF-16BE//") == 0 - && __strcasecmp (step->__to_name, "ISO-10646/UTF8/") == 0) - { - dir = to_utf8; - } - - result = __GCONV_NOCONV; - if (dir != illegal_dir) - { - new_data = (struct utf8_data *) malloc (sizeof (struct utf8_data)); - - result = __GCONV_NOMEM; - if (new_data != NULL) - { - new_data->dir = dir; - new_data->emit_bom = emit_bom; - step->__data = new_data; - - if (dir == from_utf8) - { - step->__min_needed_from = MIN_NEEDED_FROM; - step->__max_needed_from = MIN_NEEDED_FROM; - step->__min_needed_to = MIN_NEEDED_TO; - step->__max_needed_to = MIN_NEEDED_TO; - } - else - { - step->__min_needed_from = MIN_NEEDED_TO; - step->__max_needed_from = MIN_NEEDED_TO; - step->__min_needed_to = MIN_NEEDED_FROM; - step->__max_needed_to = MIN_NEEDED_FROM; - } - - step->__stateful = 0; - - result = __GCONV_OK; - } - } - - return result; -} - - -extern void gconv_end (struct __gconv_step *data); -void -gconv_end (struct __gconv_step *data) -{ - free (data->__data); -} - -/* The macro for the hardware loop. This is used for both - directions. */ -#define HARDWARE_CONVERT(INSTRUCTION) \ - { \ - register const unsigned char* pInput asm ("8") = inptr; \ - register unsigned long long inlen asm ("9") = inend - inptr; \ - register unsigned char* pOutput asm ("10") = outptr; \ - register unsigned long long outlen asm("11") = outend - outptr; \ - uint64_t cc = 0; \ - \ - __asm__ __volatile__ (".machine push \n\t" \ - ".machine \"z9-109\" \n\t" \ - "0: " INSTRUCTION " \n\t" \ - ".machine pop \n\t" \ - " jo 0b \n\t" \ - " ipm %2 \n" \ - : "+a" (pOutput), "+a" (pInput), "+d" (cc), \ - "+d" (outlen), "+d" (inlen) \ - : \ - : "cc", "memory"); \ - \ - inptr = pInput; \ - outptr = pOutput; \ - cc >>= 28; \ - \ - if (cc == 1) \ - { \ - result = __GCONV_FULL_OUTPUT; \ - } \ - else if (cc == 2) \ - { \ - result = __GCONV_ILLEGAL_INPUT; \ - } \ - } - -#define PREPARE_LOOP \ - enum direction dir = ((struct utf8_data *) step->__data)->dir; \ - int emit_bom = ((struct utf8_data *) step->__data)->emit_bom; \ - \ - if (emit_bom && !data->__internal_use \ - && data->__invocation_counter == 0) \ - { \ - /* Emit the UTF-16 Byte Order Mark. */ \ - if (__glibc_unlikely (outbuf + 2 > outend)) \ - return __GCONV_FULL_OUTPUT; \ - \ - put16u (outbuf, BOM_UTF16); \ - outbuf += 2; \ - } - -/* Conversion function from UTF-8 to UTF-16. */ -#define BODY_FROM_HW(ASM) \ - { \ - ASM; \ - if (__glibc_likely (inptr == inend) \ - || result == __GCONV_FULL_OUTPUT) \ - break; \ - \ - int i; \ - for (i = 1; inptr + i < inend && i < 5; ++i) \ - if ((inptr[i] & 0xc0) != 0x80) \ - break; \ - \ - if (__glibc_likely (inptr + i == inend \ - && result == __GCONV_EMPTY_INPUT)) \ - { \ - result = __GCONV_INCOMPLETE_INPUT; \ - break; \ - } \ - STANDARD_FROM_LOOP_ERR_HANDLER (i); \ - } - -#define BODY_FROM_ETF3EH BODY_FROM_HW (HARDWARE_CONVERT ("cu12 %0, %1, 1")) - -#define HW_FROM_VX \ - { \ - register const unsigned char* pInput asm ("8") = inptr; \ - register size_t inlen asm ("9") = inend - inptr; \ - register unsigned char* pOutput asm ("10") = outptr; \ - register size_t outlen asm("11") = outend - outptr; \ - unsigned long tmp, tmp2, tmp3; \ - asm volatile (".machine push\n\t" \ - ".machine \"z13\"\n\t" \ - ".machinemode \"zarch_nohighgprs\"\n\t" \ - " vrepib %%v30,0x7f\n\t" /* For compare > 0x7f. */ \ - " vrepib %%v31,0x20\n\t" \ - /* Loop which handles UTF-8 chars <=0x7f. */ \ - "0: clgijl %[R_INLEN],16,20f\n\t" \ - " clgijl %[R_OUTLEN],32,20f\n\t" \ - "1: vl %%v16,0(%[R_IN])\n\t" \ - " vstrcbs %%v17,%%v16,%%v30,%%v31\n\t" \ - " jno 10f\n\t" /* Jump away if not all bytes are 1byte \ - UTF8 chars. */ \ - /* Enlarge to UTF-16. */ \ - " vuplhb %%v18,%%v16\n\t" \ - " la %[R_IN],16(%[R_IN])\n\t" \ - " vupllb %%v19,%%v16\n\t" \ - " aghi %[R_INLEN],-16\n\t" \ - /* Store 32 bytes to buf_out. */ \ - " vstm %%v18,%%v19,0(%[R_OUT])\n\t" \ - " aghi %[R_OUTLEN],-32\n\t" \ - " la %[R_OUT],32(%[R_OUT])\n\t" \ - " clgijl %[R_INLEN],16,20f\n\t" \ - " clgijl %[R_OUTLEN],32,20f\n\t" \ - " j 1b\n\t" \ - "10:\n\t" \ - /* At least one byte is > 0x7f. \ - Store the preceding 1-byte chars. */ \ - " vlgvb %[R_TMP],%%v17,7\n\t" \ - " sllk %[R_TMP2],%[R_TMP],1\n\t" /* Compute highest \ - index to store. */ \ - " llgfr %[R_TMP3],%[R_TMP2]\n\t" \ - " ahi %[R_TMP2],-1\n\t" \ - " jl 20f\n\t" \ - " vuplhb %%v18,%%v16\n\t" \ - " vstl %%v18,%[R_TMP2],0(%[R_OUT])\n\t" \ - " ahi %[R_TMP2],-16\n\t" \ - " jl 11f\n\t" \ - " vupllb %%v19,%%v16\n\t" \ - " vstl %%v19,%[R_TMP2],16(%[R_OUT])\n\t" \ - "11: \n\t" /* Update pointers. */ \ - " la %[R_IN],0(%[R_TMP],%[R_IN])\n\t" \ - " slgr %[R_INLEN],%[R_TMP]\n\t" \ - " la %[R_OUT],0(%[R_TMP3],%[R_OUT])\n\t" \ - " slgr %[R_OUTLEN],%[R_TMP3]\n\t" \ - /* Handle multibyte utf8-char with convert instruction. */ \ - "20: cu12 %[R_OUT],%[R_IN],1\n\t" \ - " jo 0b\n\t" /* Try vector implemenation again. */ \ - " lochil %[R_RES],%[RES_OUT_FULL]\n\t" /* cc == 1. */ \ - " lochih %[R_RES],%[RES_IN_ILL]\n\t" /* cc == 2. */ \ - ".machine pop" \ - : /* outputs */ [R_IN] "+a" (pInput) \ - , [R_INLEN] "+d" (inlen), [R_OUT] "+a" (pOutput) \ - , [R_OUTLEN] "+d" (outlen), [R_TMP] "=a" (tmp) \ - , [R_TMP2] "=d" (tmp2), [R_TMP3] "=a" (tmp3) \ - , [R_RES] "+d" (result) \ - : /* inputs */ \ - [RES_OUT_FULL] "i" (__GCONV_FULL_OUTPUT) \ - , [RES_IN_ILL] "i" (__GCONV_ILLEGAL_INPUT) \ - : /* clobber list */ "memory", "cc" \ - ASM_CLOBBER_VR ("v16") ASM_CLOBBER_VR ("v17") \ - ASM_CLOBBER_VR ("v18") ASM_CLOBBER_VR ("v19") \ - ASM_CLOBBER_VR ("v30") ASM_CLOBBER_VR ("v31") \ - ); \ - inptr = pInput; \ - outptr = pOutput; \ - } -#define BODY_FROM_VX BODY_FROM_HW (HW_FROM_VX) - - -/* The software implementation is based on the code in gconv_simple.c. */ -#define BODY_FROM_C \ - { \ - /* Next input byte. */ \ - uint16_t ch = *inptr; \ - \ - if (__glibc_likely (ch < 0x80)) \ - { \ - /* One byte sequence. */ \ - ++inptr; \ - } \ - else \ - { \ - uint_fast32_t cnt; \ - uint_fast32_t i; \ - \ - if (ch >= 0xc2 && ch < 0xe0) \ - { \ - /* We expect two bytes. The first byte cannot be 0xc0 \ - or 0xc1, otherwise the wide character could have been \ - represented using a single byte. */ \ - cnt = 2; \ - ch &= 0x1f; \ - } \ - else if (__glibc_likely ((ch & 0xf0) == 0xe0)) \ - { \ - /* We expect three bytes. */ \ - cnt = 3; \ - ch &= 0x0f; \ - } \ - else if (__glibc_likely ((ch & 0xf8) == 0xf0)) \ - { \ - /* We expect four bytes. */ \ - cnt = 4; \ - ch &= 0x07; \ - } \ - else \ - { \ - /* Search the end of this ill-formed UTF-8 character. This \ - is the next byte with (x & 0xc0) != 0x80. */ \ - i = 0; \ - do \ - ++i; \ - while (inptr + i < inend \ - && (*(inptr + i) & 0xc0) == 0x80 \ - && i < 5); \ - \ - errout: \ - STANDARD_FROM_LOOP_ERR_HANDLER (i); \ - } \ - \ - if (__glibc_unlikely (inptr + cnt > inend)) \ - { \ - /* We don't have enough input. But before we report \ - that check that all the bytes are correct. */ \ - for (i = 1; inptr + i < inend; ++i) \ - if ((inptr[i] & 0xc0) != 0x80) \ - break; \ - \ - if (__glibc_likely (inptr + i == inend)) \ - { \ - result = __GCONV_INCOMPLETE_INPUT; \ - break; \ - } \ - \ - goto errout; \ - } \ - \ - if (cnt == 4) \ - { \ - /* For 4 byte UTF-8 chars two UTF-16 chars (high and \ - low) are needed. */ \ - uint16_t zabcd, high, low; \ - \ - if (__glibc_unlikely (outptr + 4 > outend)) \ - { \ - /* Overflow in the output buffer. */ \ - result = __GCONV_FULL_OUTPUT; \ - break; \ - } \ - \ - /* Check if tail-bytes >= 0x80, < 0xc0. */ \ - for (i = 1; i < cnt; ++i) \ - { \ - if ((inptr[i] & 0xc0) != 0x80) \ - /* This is an illegal encoding. */ \ - goto errout; \ - } \ - \ - /* See Principles of Operations cu12. */ \ - zabcd = (((inptr[0] & 0x7) << 2) | \ - ((inptr[1] & 0x30) >> 4)) - 1; \ - \ - /* z-bit must be zero after subtracting 1. */ \ - if (zabcd & 0x10) \ - STANDARD_FROM_LOOP_ERR_HANDLER (4) \ - \ - high = (uint16_t)(0xd8 << 8); /* high surrogate id */ \ - high |= zabcd << 6; /* abcd bits */ \ - high |= (inptr[1] & 0xf) << 2; /* efgh bits */ \ - high |= (inptr[2] & 0x30) >> 4; /* ij bits */ \ - \ - low = (uint16_t)(0xdc << 8); /* low surrogate id */ \ - low |= ((uint16_t)inptr[2] & 0xc) << 6; /* kl bits */ \ - low |= (inptr[2] & 0x3) << 6; /* mn bits */ \ - low |= inptr[3] & 0x3f; /* opqrst bits */ \ - \ - put16 (outptr, high); \ - outptr += 2; \ - put16 (outptr, low); \ - outptr += 2; \ - inptr += 4; \ - continue; \ - } \ - else \ - { \ - /* Read the possible remaining bytes. */ \ - for (i = 1; i < cnt; ++i) \ - { \ - uint16_t byte = inptr[i]; \ - \ - if ((byte & 0xc0) != 0x80) \ - /* This is an illegal encoding. */ \ - break; \ - \ - ch <<= 6; \ - ch |= byte & 0x3f; \ - } \ - \ - /* If i < cnt, some trail byte was not >= 0x80, < 0xc0. \ - If cnt > 2 and ch < 2^(5*cnt-4), the wide character ch could \ - have been represented with fewer than cnt bytes. */ \ - if (i < cnt || (cnt > 2 && (ch >> (5 * cnt - 4)) == 0) \ - /* Do not accept UTF-16 surrogates. */ \ - || (ch >= 0xd800 && ch <= 0xdfff)) \ - { \ - /* This is an illegal encoding. */ \ - goto errout; \ - } \ - \ - inptr += cnt; \ - } \ - } \ - /* Now adjust the pointers and store the result. */ \ - *((uint16_t *) outptr) = ch; \ - outptr += sizeof (uint16_t); \ - } - -/* Generate loop-function with software implementation. */ -#define MIN_NEEDED_INPUT MIN_NEEDED_FROM -#define MAX_NEEDED_INPUT MAX_NEEDED_FROM -#define MIN_NEEDED_OUTPUT MIN_NEEDED_TO -#define MAX_NEEDED_OUTPUT MAX_NEEDED_TO -#define LOOPFCT __from_utf8_loop_c -#define LOOP_NEED_FLAGS -#define BODY BODY_FROM_C -#include <iconv/loop.c> - -/* Generate loop-function with hardware utf-convert instruction. */ -#define MIN_NEEDED_INPUT MIN_NEEDED_FROM -#define MAX_NEEDED_INPUT MAX_NEEDED_FROM -#define MIN_NEEDED_OUTPUT MIN_NEEDED_TO -#define MAX_NEEDED_OUTPUT MAX_NEEDED_TO -#define LOOPFCT __from_utf8_loop_etf3eh -#define LOOP_NEED_FLAGS -#define BODY BODY_FROM_ETF3EH -#include <iconv/loop.c> - -#if defined HAVE_S390_VX_ASM_SUPPORT -/* Generate loop-function with hardware vector and utf-convert instructions. */ -# define MIN_NEEDED_INPUT MIN_NEEDED_FROM -# define MAX_NEEDED_INPUT MAX_NEEDED_FROM -# define MIN_NEEDED_OUTPUT MIN_NEEDED_TO -# define MAX_NEEDED_OUTPUT MAX_NEEDED_TO -# define LOOPFCT __from_utf8_loop_vx -# define LOOP_NEED_FLAGS -# define BODY BODY_FROM_VX -# include <iconv/loop.c> -#endif - - -/* Generate ifunc'ed loop function. */ -__typeof(__from_utf8_loop_c) -__attribute__ ((ifunc ("__from_utf8_loop_resolver"))) -__from_utf8_loop; - -static void * -__from_utf8_loop_resolver (unsigned long int dl_hwcap) -{ -#if defined HAVE_S390_VX_ASM_SUPPORT - if (dl_hwcap & HWCAP_S390_VX) - return __from_utf8_loop_vx; - else -#endif - if (dl_hwcap & HWCAP_S390_ETF3EH) - return __from_utf8_loop_etf3eh; - else - return __from_utf8_loop_c; -} - -strong_alias (__from_utf8_loop_c_single, __from_utf8_loop_single) - -/* Conversion from UTF-16 to UTF-8. */ - -/* The software routine is based on the functionality of the S/390 - hardware instruction (cu21) as described in the Principles of - Operation. */ -#define BODY_TO_C \ - { \ - uint16_t c = get16 (inptr); \ - \ - if (__glibc_likely (c <= 0x007f)) \ - { \ - /* Single byte UTF-8 char. */ \ - *outptr = c & 0xff; \ - outptr++; \ - } \ - else if (c >= 0x0080 && c <= 0x07ff) \ - { \ - /* Two byte UTF-8 char. */ \ - \ - if (__glibc_unlikely (outptr + 2 > outend)) \ - { \ - /* Overflow in the output buffer. */ \ - result = __GCONV_FULL_OUTPUT; \ - break; \ - } \ - \ - outptr[0] = 0xc0; \ - outptr[0] |= c >> 6; \ - \ - outptr[1] = 0x80; \ - outptr[1] |= c & 0x3f; \ - \ - outptr += 2; \ - } \ - else if ((c >= 0x0800 && c <= 0xd7ff) || c > 0xdfff) \ - { \ - /* Three byte UTF-8 char. */ \ - \ - if (__glibc_unlikely (outptr + 3 > outend)) \ - { \ - /* Overflow in the output buffer. */ \ - result = __GCONV_FULL_OUTPUT; \ - break; \ - } \ - outptr[0] = 0xe0; \ - outptr[0] |= c >> 12; \ - \ - outptr[1] = 0x80; \ - outptr[1] |= (c >> 6) & 0x3f; \ - \ - outptr[2] = 0x80; \ - outptr[2] |= c & 0x3f; \ - \ - outptr += 3; \ - } \ - else if (c >= 0xd800 && c <= 0xdbff) \ - { \ - /* Four byte UTF-8 char. */ \ - uint16_t low, uvwxy; \ - \ - if (__glibc_unlikely (outptr + 4 > outend)) \ - { \ - /* Overflow in the output buffer. */ \ - result = __GCONV_FULL_OUTPUT; \ - break; \ - } \ - if (__glibc_unlikely (inptr + 4 > inend)) \ - { \ - result = __GCONV_INCOMPLETE_INPUT; \ - break; \ - } \ - \ - inptr += 2; \ - low = get16 (inptr); \ - \ - if ((low & 0xfc00) != 0xdc00) \ - { \ - inptr -= 2; \ - STANDARD_TO_LOOP_ERR_HANDLER (2); \ - } \ - uvwxy = ((c >> 6) & 0xf) + 1; \ - outptr[0] = 0xf0; \ - outptr[0] |= uvwxy >> 2; \ - \ - outptr[1] = 0x80; \ - outptr[1] |= (uvwxy << 4) & 0x30; \ - outptr[1] |= (c >> 2) & 0x0f; \ - \ - outptr[2] = 0x80; \ - outptr[2] |= (c & 0x03) << 4; \ - outptr[2] |= (low >> 6) & 0x0f; \ - \ - outptr[3] = 0x80; \ - outptr[3] |= low & 0x3f; \ - \ - outptr += 4; \ - } \ - else \ - { \ - STANDARD_TO_LOOP_ERR_HANDLER (2); \ - } \ - inptr += 2; \ - } - -#define BODY_TO_VX \ - { \ - size_t inlen = inend - inptr; \ - size_t outlen = outend - outptr; \ - unsigned long tmp, tmp2, tmp3; \ - asm volatile (".machine push\n\t" \ - ".machine \"z13\"\n\t" \ - ".machinemode \"zarch_nohighgprs\"\n\t" \ - /* Setup to check for values <= 0x7f. */ \ - " larl %[R_TMP],9f\n\t" \ - " vlm %%v30,%%v31,0(%[R_TMP])\n\t" \ - /* Loop which handles UTF-16 chars <=0x7f. */ \ - "0: clgijl %[R_INLEN],32,2f\n\t" \ - " clgijl %[R_OUTLEN],16,2f\n\t" \ - "1: vlm %%v16,%%v17,0(%[R_IN])\n\t" \ - " lghi %[R_TMP2],0\n\t" \ - /* Check for > 1byte UTF-8 chars. */ \ - " vstrchs %%v19,%%v16,%%v30,%%v31\n\t" \ - " jno 10f\n\t" /* Jump away if not all bytes are 1byte \ - UTF8 chars. */ \ - " vstrchs %%v19,%%v17,%%v30,%%v31\n\t" \ - " jno 11f\n\t" /* Jump away if not all bytes are 1byte \ - UTF8 chars. */ \ - /* Shorten to UTF-8. */ \ - " vpkh %%v18,%%v16,%%v17\n\t" \ - " la %[R_IN],32(%[R_IN])\n\t" \ - " aghi %[R_INLEN],-32\n\t" \ - /* Store 16 bytes to buf_out. */ \ - " vst %%v18,0(%[R_OUT])\n\t" \ - " aghi %[R_OUTLEN],-16\n\t" \ - " la %[R_OUT],16(%[R_OUT])\n\t" \ - " clgijl %[R_INLEN],32,2f\n\t" \ - " clgijl %[R_OUTLEN],16,2f\n\t" \ - " j 1b\n\t" \ - /* Setup to check for ch > 0x7f. (v30, v31) */ \ - "9: .short 0x7f,0x7f,0x0,0x0,0x0,0x0,0x0,0x0\n\t" \ - " .short 0x2000,0x2000,0x0,0x0,0x0,0x0,0x0,0x0\n\t" \ - /* At least one byte is > 0x7f. \ - Store the preceding 1-byte chars. */ \ - "11: lghi %[R_TMP2],16\n\t" /* match was found in v17. */ \ - "10:\n\t" \ - " vlgvb %[R_TMP],%%v19,7\n\t" \ - /* Shorten to UTF-8. */ \ - " vpkh %%v18,%%v16,%%v17\n\t" \ - " ar %[R_TMP],%[R_TMP2]\n\t" /* Number of in bytes. */ \ - " srlg %[R_TMP3],%[R_TMP],1\n\t" /* Number of out bytes. */ \ - " ahik %[R_TMP2],%[R_TMP3],-1\n\t" /* Highest index to store. */ \ - " jl 13f\n\t" \ - " vstl %%v18,%[R_TMP2],0(%[R_OUT])\n\t" \ - /* Update pointers. */ \ - " la %[R_IN],0(%[R_TMP],%[R_IN])\n\t" \ - " slgr %[R_INLEN],%[R_TMP]\n\t" \ - " la %[R_OUT],0(%[R_TMP3],%[R_OUT])\n\t" \ - " slgr %[R_OUTLEN],%[R_TMP3]\n\t" \ - "13: \n\t" \ - /* Calculate remaining uint16_t values in loaded vrs. */ \ - " lghi %[R_TMP2],16\n\t" \ - " slgr %[R_TMP2],%[R_TMP3]\n\t" \ - " llh %[R_TMP],0(%[R_IN])\n\t" \ - " aghi %[R_INLEN],-2\n\t" \ - " j 22f\n\t" \ - /* Handle remaining bytes. */ \ - "2: \n\t" \ - /* Zero, one or more bytes available? */ \ - " clgfi %[R_INLEN],1\n\t" \ - " locghie %[R_RES],%[RES_IN_FULL]\n\t" /* Only one byte. */ \ - " jle 99f\n\t" /* End if less than two bytes. */ \ - /* Calculate remaining uint16_t values in inptr. */ \ - " srlg %[R_TMP2],%[R_INLEN],1\n\t" \ - /* Handle multibyte utf8-char. */ \ - "20: llh %[R_TMP],0(%[R_IN])\n\t" \ - " aghi %[R_INLEN],-2\n\t" \ - /* Test if ch is 1-byte UTF-8 char. */ \ - "21: clijh %[R_TMP],0x7f,22f\n\t" \ - /* Handle 1-byte UTF-8 char. */ \ - "31: slgfi %[R_OUTLEN],1\n\t" \ - " jl 90f \n\t" \ - " stc %[R_TMP],0(%[R_OUT])\n\t" \ - " la %[R_IN],2(%[R_IN])\n\t" \ - " la %[R_OUT],1(%[R_OUT])\n\t" \ - " brctg %[R_TMP2],20b\n\t" \ - " j 0b\n\t" /* Switch to vx-loop. */ \ - /* Test if ch is 2-byte UTF-8 char. */ \ - "22: clfi %[R_TMP],0x7ff\n\t" \ - " jh 23f\n\t" \ - /* Handle 2-byte UTF-8 char. */ \ - "32: slgfi %[R_OUTLEN],2\n\t" \ - " jl 90f \n\t" \ - " llill %[R_TMP3],0xc080\n\t" \ - " la %[R_IN],2(%[R_IN])\n\t" \ - " risbgn %[R_TMP3],%[R_TMP],51,55,2\n\t" /* 1. byte. */ \ - " risbgn %[R_TMP3],%[R_TMP],58,63,0\n\t" /* 2. byte. */ \ - " sth %[R_TMP3],0(%[R_OUT])\n\t" \ - " la %[R_OUT],2(%[R_OUT])\n\t" \ - " brctg %[R_TMP2],20b\n\t" \ - " j 0b\n\t" /* Switch to vx-loop. */ \ - /* Test if ch is 3-byte UTF-8 char. */ \ - "23: clfi %[R_TMP],0xd7ff\n\t" \ - " jh 24f\n\t" \ - /* Handle 3-byte UTF-8 char. */ \ - "33: slgfi %[R_OUTLEN],3\n\t" \ - " jl 90f \n\t" \ - " llilf %[R_TMP3],0xe08080\n\t" \ - " la %[R_IN],2(%[R_IN])\n\t" \ - " risbgn %[R_TMP3],%[R_TMP],44,47,4\n\t" /* 1. byte. */ \ - " risbgn %[R_TMP3],%[R_TMP],50,55,2\n\t" /* 2. byte. */ \ - " risbgn %[R_TMP3],%[R_TMP],58,63,0\n\t" /* 3. byte. */ \ - " stcm %[R_TMP3],7,0(%[R_OUT])\n\t" \ - " la %[R_OUT],3(%[R_OUT])\n\t" \ - " brctg %[R_TMP2],20b\n\t" \ - " j 0b\n\t" /* Switch to vx-loop. */ \ - /* Test if ch is 4-byte UTF-8 char. */ \ - "24: clfi %[R_TMP],0xdfff\n\t" \ - " jh 33b\n\t" /* Handle this 3-byte UTF-8 char. */ \ - " clfi %[R_TMP],0xdbff\n\t" \ - " locghih %[R_RES],%[RES_IN_ILL]\n\t" \ - " jh 99f\n\t" /* Jump away if this is a low surrogate \ - without a preceding high surrogate. */ \ - /* Handle 4-byte UTF-8 char. */ \ - "34: slgfi %[R_OUTLEN],4\n\t" \ - " jl 90f \n\t" \ - " slgfi %[R_INLEN],2\n\t" \ - " locghil %[R_RES],%[RES_IN_FULL]\n\t" \ - " jl 99f\n\t" /* Jump away if low surrogate is missing. */ \ - " llilf %[R_TMP3],0xf0808080\n\t" \ - " aghi %[R_TMP],0x40\n\t" \ - " risbgn %[R_TMP3],%[R_TMP],37,39,16\n\t" /* 1. byte: uvw */ \ - " risbgn %[R_TMP3],%[R_TMP],42,43,14\n\t" /* 2. byte: xy */ \ - " risbgn %[R_TMP3],%[R_TMP],44,47,14\n\t" /* 2. byte: efgh */ \ - " risbgn %[R_TMP3],%[R_TMP],50,51,12\n\t" /* 3. byte: ij */ \ - " llh %[R_TMP],2(%[R_IN])\n\t" /* Load low surrogate. */ \ - " risbgn %[R_TMP3],%[R_TMP],52,55,2\n\t" /* 3. byte: klmn */ \ - " risbgn %[R_TMP3],%[R_TMP],58,63,0\n\t" /* 4. byte: opqrst */ \ - " nilf %[R_TMP],0xfc00\n\t" \ - " clfi %[R_TMP],0xdc00\n\t" /* Check if it starts with 0xdc00. */ \ - " locghine %[R_RES],%[RES_IN_ILL]\n\t" \ - " jne 99f\n\t" /* Jump away if low surrogate is invalid. */ \ - " st %[R_TMP3],0(%[R_OUT])\n\t" \ - " la %[R_IN],4(%[R_IN])\n\t" \ - " la %[R_OUT],4(%[R_OUT])\n\t" \ - " aghi %[R_TMP2],-2\n\t" \ - " jh 20b\n\t" \ - " j 0b\n\t" /* Switch to vx-loop. */ \ - /* Exit with __GCONV_FULL_OUTPUT. */ \ - "90: lghi %[R_RES],%[RES_OUT_FULL]\n\t" \ - "99: \n\t" \ - ".machine pop" \ - : /* outputs */ [R_IN] "+a" (inptr) \ - , [R_INLEN] "+d" (inlen), [R_OUT] "+a" (outptr) \ - , [R_OUTLEN] "+d" (outlen), [R_TMP] "=a" (tmp) \ - , [R_TMP2] "=d" (tmp2), [R_TMP3] "=a" (tmp3) \ - , [R_RES] "+d" (result) \ - : /* inputs */ \ - [RES_OUT_FULL] "i" (__GCONV_FULL_OUTPUT) \ - , [RES_IN_ILL] "i" (__GCONV_ILLEGAL_INPUT) \ - , [RES_IN_FULL] "i" (__GCONV_INCOMPLETE_INPUT) \ - : /* clobber list */ "memory", "cc" \ - ASM_CLOBBER_VR ("v16") ASM_CLOBBER_VR ("v17") \ - ASM_CLOBBER_VR ("v18") ASM_CLOBBER_VR ("v19") \ - ASM_CLOBBER_VR ("v30") ASM_CLOBBER_VR ("v31") \ - ); \ - if (__glibc_likely (inptr == inend) \ - || result != __GCONV_ILLEGAL_INPUT) \ - break; \ - \ - STANDARD_TO_LOOP_ERR_HANDLER (2); \ - } - -/* Generate loop-function with software implementation. */ -#define MIN_NEEDED_INPUT MIN_NEEDED_TO -#define MAX_NEEDED_INPUT MAX_NEEDED_TO -#define MIN_NEEDED_OUTPUT MIN_NEEDED_FROM -#define MAX_NEEDED_OUTPUT MAX_NEEDED_FROM -#if defined HAVE_S390_VX_ASM_SUPPORT -# define LOOPFCT __to_utf8_loop_c -# define BODY BODY_TO_C -# define LOOP_NEED_FLAGS -# include <iconv/loop.c> - -/* Generate loop-function with software implementation. */ -# define MIN_NEEDED_INPUT MIN_NEEDED_TO -# define MAX_NEEDED_INPUT MAX_NEEDED_TO -# define MIN_NEEDED_OUTPUT MIN_NEEDED_FROM -# define MAX_NEEDED_OUTPUT MAX_NEEDED_FROM -# define LOOPFCT __to_utf8_loop_vx -# define BODY BODY_TO_VX -# define LOOP_NEED_FLAGS -# include <iconv/loop.c> - -/* Generate ifunc'ed loop function. */ -__typeof(__to_utf8_loop_c) -__attribute__ ((ifunc ("__to_utf8_loop_resolver"))) -__to_utf8_loop; - -static void * -__to_utf8_loop_resolver (unsigned long int dl_hwcap) -{ - if (dl_hwcap & HWCAP_S390_VX) - return __to_utf8_loop_vx; - else - return __to_utf8_loop_c; -} - -strong_alias (__to_utf8_loop_c_single, __to_utf8_loop_single) - -#else -# define LOOPFCT TO_LOOP -# define BODY BODY_TO_C -# define LOOP_NEED_FLAGS -# include <iconv/loop.c> -#endif /* !HAVE_S390_VX_ASM_SUPPORT */ - -#include <iconv/skeleton.c> Index: glibc-2.22/sysdeps/s390/s390-64/utf8-utf32-z9.c =================================================================== --- glibc-2.22.orig/sysdeps/s390/s390-64/utf8-utf32-z9.c +++ /dev/null @@ -1,807 +0,0 @@ -/* Conversion between UTF-8 and UTF-32 BE/internal. - - This module uses the Z9-109 variants of the Convert Unicode - instructions. - Copyright (C) 1997-2015 Free Software Foundation, Inc. - - Author: Andreas Krebbel <Andreas.Krebbel@de.ibm.com> - Based on the work by Ulrich Drepper <drepper@cygnus.com>, 1997. - - Thanks to Daniel Appich who covered the relevant performance work - in his diploma thesis. - - This is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#include <dlfcn.h> -#include <stdint.h> -#include <unistd.h> -#include <dl-procinfo.h> -#include <gconv.h> - -#if defined HAVE_S390_VX_GCC_SUPPORT -# define ASM_CLOBBER_VR(NR) , NR -#else -# define ASM_CLOBBER_VR(NR) -#endif - -/* Defines for skeleton.c. */ -#define DEFINE_INIT 0 -#define DEFINE_FINI 0 -#define MIN_NEEDED_FROM 1 -#define MAX_NEEDED_FROM 6 -#define MIN_NEEDED_TO 4 -#define FROM_LOOP __from_utf8_loop -#define TO_LOOP __to_utf8_loop -#define FROM_DIRECTION (dir == from_utf8) -#define ONE_DIRECTION 0 - -/* UTF-32 big endian byte order mark. */ -#define BOM 0x0000feffu - -/* Direction of the transformation. */ -enum direction -{ - illegal_dir, - to_utf8, - from_utf8 -}; - -struct utf8_data -{ - enum direction dir; - int emit_bom; -}; - - -extern int gconv_init (struct __gconv_step *step); -int -gconv_init (struct __gconv_step *step) -{ - /* Determine which direction. */ - struct utf8_data *new_data; - enum direction dir = illegal_dir; - int emit_bom; - int result; - - emit_bom = (__strcasecmp (step->__to_name, "UTF-32//") == 0); - - if (__strcasecmp (step->__from_name, "ISO-10646/UTF8/") == 0 - && (__strcasecmp (step->__to_name, "UTF-32//") == 0 - || __strcasecmp (step->__to_name, "UTF-32BE//") == 0 - || __strcasecmp (step->__to_name, "INTERNAL") == 0)) - { - dir = from_utf8; - } - else if (__strcasecmp (step->__to_name, "ISO-10646/UTF8/") == 0 - && (__strcasecmp (step->__from_name, "UTF-32BE//") == 0 - || __strcasecmp (step->__from_name, "INTERNAL") == 0)) - { - dir = to_utf8; - } - - result = __GCONV_NOCONV; - if (dir != illegal_dir) - { - new_data = (struct utf8_data *) malloc (sizeof (struct utf8_data)); - - result = __GCONV_NOMEM; - if (new_data != NULL) - { - new_data->dir = dir; - new_data->emit_bom = emit_bom; - step->__data = new_data; - - if (dir == from_utf8) - { - step->__min_needed_from = MIN_NEEDED_FROM; - step->__max_needed_from = MIN_NEEDED_FROM; - step->__min_needed_to = MIN_NEEDED_TO; - step->__max_needed_to = MIN_NEEDED_TO; - } - else - { - step->__min_needed_from = MIN_NEEDED_TO; - step->__max_needed_from = MIN_NEEDED_TO; - step->__min_needed_to = MIN_NEEDED_FROM; - step->__max_needed_to = MIN_NEEDED_FROM; - } - - step->__stateful = 0; - - result = __GCONV_OK; - } - } - - return result; -} - - -extern void gconv_end (struct __gconv_step *data); -void -gconv_end (struct __gconv_step *data) -{ - free (data->__data); -} - -/* The macro for the hardware loop. This is used for both - directions. */ -#define HARDWARE_CONVERT(INSTRUCTION) \ - { \ - register const unsigned char* pInput asm ("8") = inptr; \ - register unsigned long long inlen asm ("9") = inend - inptr; \ - register unsigned char* pOutput asm ("10") = outptr; \ - register unsigned long long outlen asm("11") = outend - outptr; \ - uint64_t cc = 0; \ - \ - __asm__ __volatile__ (".machine push \n\t" \ - ".machine \"z9-109\" \n\t" \ - "0: " INSTRUCTION " \n\t" \ - ".machine pop \n\t" \ - " jo 0b \n\t" \ - " ipm %2 \n" \ - : "+a" (pOutput), "+a" (pInput), "+d" (cc), \ - "+d" (outlen), "+d" (inlen) \ - : \ - : "cc", "memory"); \ - \ - inptr = pInput; \ - outptr = pOutput; \ - cc >>= 28; \ - \ - if (cc == 1) \ - { \ - result = __GCONV_FULL_OUTPUT; \ - } \ - else if (cc == 2) \ - { \ - result = __GCONV_ILLEGAL_INPUT; \ - } \ - } - -#define PREPARE_LOOP \ - enum direction dir = ((struct utf8_data *) step->__data)->dir; \ - int emit_bom = ((struct utf8_data *) step->__data)->emit_bom; \ - \ - if (emit_bom && !data->__internal_use \ - && data->__invocation_counter == 0) \ - { \ - /* Emit the Byte Order Mark. */ \ - if (__glibc_unlikely (outbuf + 4 > outend)) \ - return __GCONV_FULL_OUTPUT; \ - \ - put32u (outbuf, BOM); \ - outbuf += 4; \ - } - -/* Conversion function from UTF-8 to UTF-32 internal/BE. */ - -#define STORE_REST_COMMON \ - { \ - /* We store the remaining bytes while converting them into the UCS4 \ - format. We can assume that the first byte in the buffer is \ - correct and that it requires a larger number of bytes than there \ - are in the input buffer. */ \ - wint_t ch = **inptrp; \ - size_t cnt, r; \ - \ - state->__count = inend - *inptrp; \ - \ - assert (ch != 0xc0 && ch != 0xc1); \ - if (ch >= 0xc2 && ch < 0xe0) \ - { \ - /* We expect two bytes. The first byte cannot be 0xc0 or \ - 0xc1, otherwise the wide character could have been \ - represented using a single byte. */ \ - cnt = 2; \ - ch &= 0x1f; \ - } \ - else if (__glibc_likely ((ch & 0xf0) == 0xe0)) \ - { \ - /* We expect three bytes. */ \ - cnt = 3; \ - ch &= 0x0f; \ - } \ - else if (__glibc_likely ((ch & 0xf8) == 0xf0)) \ - { \ - /* We expect four bytes. */ \ - cnt = 4; \ - ch &= 0x07; \ - } \ - else if (__glibc_likely ((ch & 0xfc) == 0xf8)) \ - { \ - /* We expect five bytes. */ \ - cnt = 5; \ - ch &= 0x03; \ - } \ - else \ - { \ - /* We expect six bytes. */ \ - cnt = 6; \ - ch &= 0x01; \ - } \ - \ - /* The first byte is already consumed. */ \ - r = cnt - 1; \ - while (++(*inptrp) < inend) \ - { \ - ch <<= 6; \ - ch |= **inptrp & 0x3f; \ - --r; \ - } \ - \ - /* Shift for the so far missing bytes. */ \ - ch <<= r * 6; \ - \ - /* Store the number of bytes expected for the entire sequence. */ \ - state->__count |= cnt << 8; \ - \ - /* Store the value. */ \ - state->__value.__wch = ch; \ - } - -#define UNPACK_BYTES_COMMON \ - { \ - static const unsigned char inmask[5] = { 0xc0, 0xe0, 0xf0, 0xf8, 0xfc }; \ - wint_t wch = state->__value.__wch; \ - size_t ntotal = state->__count >> 8; \ - \ - inlen = state->__count & 255; \ - \ - bytebuf[0] = inmask[ntotal - 2]; \ - \ - do \ - { \ - if (--ntotal < inlen) \ - bytebuf[ntotal] = 0x80 | (wch & 0x3f); \ - wch >>= 6; \ - } \ - while (ntotal > 1); \ - \ - bytebuf[0] |= wch; \ - } - -#define CLEAR_STATE_COMMON \ - state->__count = 0 - -#define BODY_FROM_HW(ASM) \ - { \ - ASM; \ - if (__glibc_likely (inptr == inend) \ - || result == __GCONV_FULL_OUTPUT) \ - break; \ - \ - int i; \ - for (i = 1; inptr + i < inend && i < 5; ++i) \ - if ((inptr[i] & 0xc0) != 0x80) \ - break; \ - \ - if (__glibc_likely (inptr + i == inend \ - && result == __GCONV_EMPTY_INPUT)) \ - { \ - result = __GCONV_INCOMPLETE_INPUT; \ - break; \ - } \ - STANDARD_FROM_LOOP_ERR_HANDLER (i); \ - } - -/* This hardware routine uses the Convert UTF8 to UTF32 (cu14) instruction. */ -#define BODY_FROM_ETF3EH BODY_FROM_HW (HARDWARE_CONVERT ("cu14 %0, %1, 1")) - - -/* The software routine is copied from gconv_simple.c. */ -#define BODY_FROM_C \ - { \ - /* Next input byte. */ \ - uint32_t ch = *inptr; \ - \ - if (__glibc_likely (ch < 0x80)) \ - { \ - /* One byte sequence. */ \ - ++inptr; \ - } \ - else \ - { \ - uint_fast32_t cnt; \ - uint_fast32_t i; \ - \ - if (ch >= 0xc2 && ch < 0xe0) \ - { \ - /* We expect two bytes. The first byte cannot be 0xc0 or \ - 0xc1, otherwise the wide character could have been \ - represented using a single byte. */ \ - cnt = 2; \ - ch &= 0x1f; \ - } \ - else if (__glibc_likely ((ch & 0xf0) == 0xe0)) \ - { \ - /* We expect three bytes. */ \ - cnt = 3; \ - ch &= 0x0f; \ - } \ - else if (__glibc_likely ((ch & 0xf8) == 0xf0)) \ - { \ - /* We expect four bytes. */ \ - cnt = 4; \ - ch &= 0x07; \ - } \ - else \ - { \ - /* Search the end of this ill-formed UTF-8 character. This \ - is the next byte with (x & 0xc0) != 0x80. */ \ - i = 0; \ - do \ - ++i; \ - while (inptr + i < inend \ - && (*(inptr + i) & 0xc0) == 0x80 \ - && i < 5); \ - \ - errout: \ - STANDARD_FROM_LOOP_ERR_HANDLER (i); \ - } \ - \ - if (__glibc_unlikely (inptr + cnt > inend)) \ - { \ - /* We don't have enough input. But before we report \ - that check that all the bytes are correct. */ \ - for (i = 1; inptr + i < inend; ++i) \ - if ((inptr[i] & 0xc0) != 0x80) \ - break; \ - \ - if (__glibc_likely (inptr + i == inend)) \ - { \ - result = __GCONV_INCOMPLETE_INPUT; \ - break; \ - } \ - \ - goto errout; \ - } \ - \ - /* Read the possible remaining bytes. */ \ - for (i = 1; i < cnt; ++i) \ - { \ - uint32_t byte = inptr[i]; \ - \ - if ((byte & 0xc0) != 0x80) \ - /* This is an illegal encoding. */ \ - break; \ - \ - ch <<= 6; \ - ch |= byte & 0x3f; \ - } \ - \ - /* If i < cnt, some trail byte was not >= 0x80, < 0xc0. \ - If cnt > 2 and ch < 2^(5*cnt-4), the wide character ch could \ - have been represented with fewer than cnt bytes. */ \ - if (i < cnt || (cnt > 2 && (ch >> (5 * cnt - 4)) == 0) \ - /* Do not accept UTF-16 surrogates. */ \ - || (ch >= 0xd800 && ch <= 0xdfff) \ - || (ch > 0x10ffff)) \ - { \ - /* This is an illegal encoding. */ \ - goto errout; \ - } \ - \ - inptr += cnt; \ - } \ - \ - /* Now adjust the pointers and store the result. */ \ - *((uint32_t *) outptr) = ch; \ - outptr += sizeof (uint32_t); \ - } - -#define HW_FROM_VX \ - { \ - register const unsigned char* pInput asm ("8") = inptr; \ - register size_t inlen asm ("9") = inend - inptr; \ - register unsigned char* pOutput asm ("10") = outptr; \ - register size_t outlen asm("11") = outend - outptr; \ - unsigned long tmp, tmp2, tmp3; \ - asm volatile (".machine push\n\t" \ - ".machine \"z13\"\n\t" \ - ".machinemode \"zarch_nohighgprs\"\n\t" \ - " vrepib %%v30,0x7f\n\t" /* For compare > 0x7f. */ \ - " vrepib %%v31,0x20\n\t" \ - /* Loop which handles UTF-8 chars <=0x7f. */ \ - "0: clgijl %[R_INLEN],16,20f\n\t" \ - " clgijl %[R_OUTLEN],64,20f\n\t" \ - "1: vl %%v16,0(%[R_IN])\n\t" \ - " vstrcbs %%v17,%%v16,%%v30,%%v31\n\t" \ - " jno 10f\n\t" /* Jump away if not all bytes are 1byte \ - UTF8 chars. */ \ - /* Enlarge to UCS4. */ \ - " vuplhb %%v18,%%v16\n\t" \ - " vupllb %%v19,%%v16\n\t" \ - " la %[R_IN],16(%[R_IN])\n\t" \ - " vuplhh %%v20,%%v18\n\t" \ - " aghi %[R_INLEN],-16\n\t" \ - " vupllh %%v21,%%v18\n\t" \ - " aghi %[R_OUTLEN],-64\n\t" \ - " vuplhh %%v22,%%v19\n\t" \ - " vupllh %%v23,%%v19\n\t" \ - /* Store 64 bytes to buf_out. */ \ - " vstm %%v20,%%v23,0(%[R_OUT])\n\t" \ - " la %[R_OUT],64(%[R_OUT])\n\t" \ - " clgijl %[R_INLEN],16,20f\n\t" \ - " clgijl %[R_OUTLEN],64,20f\n\t" \ - " j 1b\n\t" \ - "10: \n\t" \ - /* At least one byte is > 0x7f. \ - Store the preceding 1-byte chars. */ \ - " vlgvb %[R_TMP],%%v17,7\n\t" \ - " sllk %[R_TMP2],%[R_TMP],2\n\t" /* Compute highest \ - index to store. */ \ - " llgfr %[R_TMP3],%[R_TMP2]\n\t" \ - " ahi %[R_TMP2],-1\n\t" \ - " jl 20f\n\t" \ - " vuplhb %%v18,%%v16\n\t" \ - " vuplhh %%v20,%%v18\n\t" \ - " vstl %%v20,%[R_TMP2],0(%[R_OUT])\n\t" \ - " ahi %[R_TMP2],-16\n\t" \ - " jl 11f\n\t" \ - " vupllh %%v21,%%v18\n\t" \ - " vstl %%v21,%[R_TMP2],16(%[R_OUT])\n\t" \ - " ahi %[R_TMP2],-16\n\t" \ - " jl 11f\n\t" \ - " vupllb %%v19,%%v16\n\t" \ - " vuplhh %%v22,%%v19\n\t" \ - " vstl %%v22,%[R_TMP2],32(%[R_OUT])\n\t" \ - " ahi %[R_TMP2],-16\n\t" \ - " jl 11f\n\t" \ - " vupllh %%v23,%%v19\n\t" \ - " vstl %%v23,%[R_TMP2],48(%[R_OUT])\n\t" \ - "11: \n\t" \ - /* Update pointers. */ \ - " la %[R_IN],0(%[R_TMP],%[R_IN])\n\t" \ - " slgr %[R_INLEN],%[R_TMP]\n\t" \ - " la %[R_OUT],0(%[R_TMP3],%[R_OUT])\n\t" \ - " slgr %[R_OUTLEN],%[R_TMP3]\n\t" \ - /* Handle multibyte utf8-char with convert instruction. */ \ - "20: cu14 %[R_OUT],%[R_IN],1\n\t" \ - " jo 0b\n\t" /* Try vector implemenation again. */ \ - " lochil %[R_RES],%[RES_OUT_FULL]\n\t" /* cc == 1. */ \ - " lochih %[R_RES],%[RES_IN_ILL]\n\t" /* cc == 2. */ \ - ".machine pop" \ - : /* outputs */ [R_IN] "+a" (pInput) \ - , [R_INLEN] "+d" (inlen), [R_OUT] "+a" (pOutput) \ - , [R_OUTLEN] "+d" (outlen), [R_TMP] "=a" (tmp) \ - , [R_TMP2] "=d" (tmp2), [R_TMP3] "=a" (tmp3) \ - , [R_RES] "+d" (result) \ - : /* inputs */ \ - [RES_OUT_FULL] "i" (__GCONV_FULL_OUTPUT) \ - , [RES_IN_ILL] "i" (__GCONV_ILLEGAL_INPUT) \ - : /* clobber list */ "memory", "cc" \ - ASM_CLOBBER_VR ("v16") ASM_CLOBBER_VR ("v17") \ - ASM_CLOBBER_VR ("v18") ASM_CLOBBER_VR ("v19") \ - ASM_CLOBBER_VR ("v20") ASM_CLOBBER_VR ("v21") \ - ASM_CLOBBER_VR ("v22") ASM_CLOBBER_VR ("v30") \ - ASM_CLOBBER_VR ("v31") \ - ); \ - inptr = pInput; \ - outptr = pOutput; \ - } -#define BODY_FROM_VX BODY_FROM_HW (HW_FROM_VX) - -/* These definitions apply to the UTF-8 to UTF-32 direction. The - software implementation for UTF-8 still supports multibyte - characters up to 6 bytes whereas the hardware variant does not. */ -#define MIN_NEEDED_INPUT MIN_NEEDED_FROM -#define MAX_NEEDED_INPUT MAX_NEEDED_FROM -#define MIN_NEEDED_OUTPUT MIN_NEEDED_TO -#define LOOPFCT __from_utf8_loop_c - -#define LOOP_NEED_FLAGS - -#define STORE_REST STORE_REST_COMMON -#define UNPACK_BYTES UNPACK_BYTES_COMMON -#define CLEAR_STATE CLEAR_STATE_COMMON -#define BODY BODY_FROM_C -#include <iconv/loop.c> - - -/* Generate loop-function with hardware utf-convert instruction. */ -#define MIN_NEEDED_INPUT MIN_NEEDED_FROM -#define MAX_NEEDED_INPUT MAX_NEEDED_FROM -#define MIN_NEEDED_OUTPUT MIN_NEEDED_TO -#define LOOPFCT __from_utf8_loop_etf3eh - -#define LOOP_NEED_FLAGS - -#define STORE_REST STORE_REST_COMMON -#define UNPACK_BYTES UNPACK_BYTES_COMMON -#define CLEAR_STATE CLEAR_STATE_COMMON -#define BODY BODY_FROM_ETF3EH -#include <iconv/loop.c> - -#if defined HAVE_S390_VX_ASM_SUPPORT -/* Generate loop-function with hardware vector instructions. */ -# define MIN_NEEDED_INPUT MIN_NEEDED_FROM -# define MAX_NEEDED_INPUT MAX_NEEDED_FROM -# define MIN_NEEDED_OUTPUT MIN_NEEDED_TO -# define LOOPFCT __from_utf8_loop_vx - -# define LOOP_NEED_FLAGS - -# define STORE_REST STORE_REST_COMMON -# define UNPACK_BYTES UNPACK_BYTES_COMMON -# define CLEAR_STATE CLEAR_STATE_COMMON -# define BODY BODY_FROM_VX -# include <iconv/loop.c> -#endif - - -/* Generate ifunc'ed loop function. */ -__typeof(__from_utf8_loop_c) -__attribute__ ((ifunc ("__from_utf8_loop_resolver"))) -__from_utf8_loop; - -static void * -__from_utf8_loop_resolver (unsigned long int dl_hwcap) -{ -#if defined HAVE_S390_VX_ASM_SUPPORT - if (dl_hwcap & HWCAP_S390_VX) - return __from_utf8_loop_vx; - else -#endif - if (dl_hwcap & HWCAP_S390_ETF3EH) - return __from_utf8_loop_etf3eh; - else - return __from_utf8_loop_c; -} - -strong_alias (__from_utf8_loop_c_single, __from_utf8_loop_single) - - -/* Conversion from UTF-32 internal/BE to UTF-8. */ -#define BODY_TO_HW(ASM) \ - { \ - ASM; \ - if (__glibc_likely (inptr == inend) \ - || result == __GCONV_FULL_OUTPUT) \ - break; \ - if (inptr + 4 > inend) \ - { \ - result = __GCONV_INCOMPLETE_INPUT; \ - break; \ - } \ - STANDARD_TO_LOOP_ERR_HANDLER (4); \ - } - -/* The hardware routine uses the S/390 cu41 instruction. */ -#define BODY_TO_ETF3EH BODY_TO_HW (HARDWARE_CONVERT ("cu41 %0, %1")) - -/* The hardware routine uses the S/390 vector and cu41 instructions. */ -#define BODY_TO_VX BODY_TO_HW (HW_TO_VX) - -/* The software routine mimics the S/390 cu41 instruction. */ -#define BODY_TO_C \ - { \ - uint32_t wc = *((const uint32_t *) inptr); \ - \ - if (__glibc_likely (wc <= 0x7f)) \ - { \ - /* Single UTF-8 char. */ \ - *outptr = (uint8_t)wc; \ - outptr++; \ - } \ - else if (wc <= 0x7ff) \ - { \ - /* Two UTF-8 chars. */ \ - if (__glibc_unlikely (outptr + 2 > outend)) \ - { \ - /* Overflow in the output buffer. */ \ - result = __GCONV_FULL_OUTPUT; \ - break; \ - } \ - \ - outptr[0] = 0xc0; \ - outptr[0] |= wc >> 6; \ - \ - outptr[1] = 0x80; \ - outptr[1] |= wc & 0x3f; \ - \ - outptr += 2; \ - } \ - else if (wc <= 0xffff) \ - { \ - /* Three UTF-8 chars. */ \ - if (__glibc_unlikely (outptr + 3 > outend)) \ - { \ - /* Overflow in the output buffer. */ \ - result = __GCONV_FULL_OUTPUT; \ - break; \ - } \ - if (wc >= 0xd800 && wc < 0xdc00) \ - { \ - /* Do not accept UTF-16 surrogates. */ \ - result = __GCONV_ILLEGAL_INPUT; \ - STANDARD_TO_LOOP_ERR_HANDLER (4); \ - } \ - outptr[0] = 0xe0; \ - outptr[0] |= wc >> 12; \ - \ - outptr[1] = 0x80; \ - outptr[1] |= (wc >> 6) & 0x3f; \ - \ - outptr[2] = 0x80; \ - outptr[2] |= wc & 0x3f; \ - \ - outptr += 3; \ - } \ - else if (wc <= 0x10ffff) \ - { \ - /* Four UTF-8 chars. */ \ - if (__glibc_unlikely (outptr + 4 > outend)) \ - { \ - /* Overflow in the output buffer. */ \ - result = __GCONV_FULL_OUTPUT; \ - break; \ - } \ - outptr[0] = 0xf0; \ - outptr[0] |= wc >> 18; \ - \ - outptr[1] = 0x80; \ - outptr[1] |= (wc >> 12) & 0x3f; \ - \ - outptr[2] = 0x80; \ - outptr[2] |= (wc >> 6) & 0x3f; \ - \ - outptr[3] = 0x80; \ - outptr[3] |= wc & 0x3f; \ - \ - outptr += 4; \ - } \ - else \ - { \ - STANDARD_TO_LOOP_ERR_HANDLER (4); \ - } \ - inptr += 4; \ - } - -#define HW_TO_VX \ - { \ - register const unsigned char* pInput asm ("8") = inptr; \ - register size_t inlen asm ("9") = inend - inptr; \ - register unsigned char* pOutput asm ("10") = outptr; \ - register size_t outlen asm("11") = outend - outptr; \ - unsigned long tmp, tmp2; \ - asm volatile (".machine push\n\t" \ - ".machine \"z13\"\n\t" \ - ".machinemode \"zarch_nohighgprs\"\n\t" \ - " vleif %%v20,127,0\n\t" /* element 0: 127 */ \ - " vzero %%v21\n\t" \ - " vleih %%v21,8192,0\n\t" /* element 0: > */ \ - " vleih %%v21,-8192,2\n\t" /* element 1: =<> */ \ - /* Loop which handles UTF-32 chars <=0x7f. */ \ - "0: clgijl %[R_INLEN],64,20f\n\t" \ - " clgijl %[R_OUTLEN],16,20f\n\t" \ - "1: vlm %%v16,%%v19,0(%[R_IN])\n\t" \ - " lghi %[R_TMP],0\n\t" \ - /* Shorten to byte values. */ \ - " vpkf %%v23,%%v16,%%v17\n\t" \ - " vpkf %%v24,%%v18,%%v19\n\t" \ - " vpkh %%v23,%%v23,%%v24\n\t" \ - /* Checking for values > 0x7f. */ \ - " vstrcfs %%v22,%%v16,%%v20,%%v21\n\t" \ - " jno 10f\n\t" \ - " vstrcfs %%v22,%%v17,%%v20,%%v21\n\t" \ - " jno 11f\n\t" \ - " vstrcfs %%v22,%%v18,%%v20,%%v21\n\t" \ - " jno 12f\n\t" \ - " vstrcfs %%v22,%%v19,%%v20,%%v21\n\t" \ - " jno 13f\n\t" \ - /* Store 16bytes to outptr. */ \ - " vst %%v23,0(%[R_OUT])\n\t" \ - " aghi %[R_INLEN],-64\n\t" \ - " aghi %[R_OUTLEN],-16\n\t" \ - " la %[R_IN],64(%[R_IN])\n\t" \ - " la %[R_OUT],16(%[R_OUT])\n\t" \ - " clgijl %[R_INLEN],64,20f\n\t" \ - " clgijl %[R_OUTLEN],16,20f\n\t" \ - " j 1b\n\t" \ - /* Found a value > 0x7f. */ \ - "13: ahi %[R_TMP],4\n\t" \ - "12: ahi %[R_TMP],4\n\t" \ - "11: ahi %[R_TMP],4\n\t" \ - "10: vlgvb %[R_I],%%v22,7\n\t" \ - " srlg %[R_I],%[R_I],2\n\t" \ - " agr %[R_I],%[R_TMP]\n\t" \ - " je 20f\n\t" \ - /* Store characters before invalid one... */ \ - " slgr %[R_OUTLEN],%[R_I]\n\t" \ - "15: aghi %[R_I],-1\n\t" \ - " vstl %%v23,%[R_I],0(%[R_OUT])\n\t" \ - /* ... and update pointers. */ \ - " aghi %[R_I],1\n\t" \ - " la %[R_OUT],0(%[R_I],%[R_OUT])\n\t" \ - " sllg %[R_I],%[R_I],2\n\t" \ - " la %[R_IN],0(%[R_I],%[R_IN])\n\t" \ - " slgr %[R_INLEN],%[R_I]\n\t" \ - /* Handle multibyte utf8-char with convert instruction. */ \ - "20: cu41 %[R_OUT],%[R_IN]\n\t" \ - " jo 0b\n\t" /* Try vector implemenation again. */ \ - " lochil %[R_RES],%[RES_OUT_FULL]\n\t" /* cc == 1. */ \ - " lochih %[R_RES],%[RES_IN_ILL]\n\t" /* cc == 2. */ \ - ".machine pop" \ - : /* outputs */ [R_IN] "+a" (pInput) \ - , [R_INLEN] "+d" (inlen), [R_OUT] "+a" (pOutput) \ - , [R_OUTLEN] "+d" (outlen), [R_TMP] "=d" (tmp) \ - , [R_I] "=a" (tmp2) \ - , [R_RES] "+d" (result) \ - : /* inputs */ \ - [RES_OUT_FULL] "i" (__GCONV_FULL_OUTPUT) \ - , [RES_IN_ILL] "i" (__GCONV_ILLEGAL_INPUT) \ - : /* clobber list */ "memory", "cc" \ - ASM_CLOBBER_VR ("v16") ASM_CLOBBER_VR ("v17") \ - ASM_CLOBBER_VR ("v18") ASM_CLOBBER_VR ("v19") \ - ASM_CLOBBER_VR ("v20") ASM_CLOBBER_VR ("v21") \ - ASM_CLOBBER_VR ("v22") ASM_CLOBBER_VR ("v23") \ - ASM_CLOBBER_VR ("v24") \ - ); \ - inptr = pInput; \ - outptr = pOutput; \ - } - -/* Generate loop-function with software routing. */ -#define MIN_NEEDED_INPUT MIN_NEEDED_TO -#define MIN_NEEDED_OUTPUT MIN_NEEDED_FROM -#define MAX_NEEDED_OUTPUT MAX_NEEDED_FROM -#define LOOPFCT __to_utf8_loop_c -#define BODY BODY_TO_C -#define LOOP_NEED_FLAGS -#include <iconv/loop.c> - -/* Generate loop-function with hardware utf-convert instruction. */ -#define MIN_NEEDED_INPUT MIN_NEEDED_TO -#define MIN_NEEDED_OUTPUT MIN_NEEDED_FROM -#define MAX_NEEDED_OUTPUT MAX_NEEDED_FROM -#define LOOPFCT __to_utf8_loop_etf3eh -#define LOOP_NEED_FLAGS -#define BODY BODY_TO_ETF3EH -#include <iconv/loop.c> - -#if defined HAVE_S390_VX_ASM_SUPPORT -/* Generate loop-function with hardware vector and utf-convert instructions. */ -# define MIN_NEEDED_INPUT MIN_NEEDED_TO -# define MIN_NEEDED_OUTPUT MIN_NEEDED_FROM -# define MAX_NEEDED_OUTPUT MAX_NEEDED_FROM -# define LOOPFCT __to_utf8_loop_vx -# define BODY BODY_TO_VX -# define LOOP_NEED_FLAGS -# include <iconv/loop.c> -#endif - -/* Generate ifunc'ed loop function. */ -__typeof(__to_utf8_loop_c) -__attribute__ ((ifunc ("__to_utf8_loop_resolver"))) -__to_utf8_loop; - -static void * -__to_utf8_loop_resolver (unsigned long int dl_hwcap) -{ -#if defined HAVE_S390_VX_ASM_SUPPORT - if (dl_hwcap & HWCAP_S390_VX) - return __to_utf8_loop_vx; - else -#endif - if (dl_hwcap & HWCAP_S390_ETF3EH) - return __to_utf8_loop_etf3eh; - else - return __to_utf8_loop_c; -} - -strong_alias (__to_utf8_loop_c_single, __to_utf8_loop_single) - - -#include <iconv/skeleton.c> Index: glibc-2.22/sysdeps/s390/utf16-utf32-z9.c =================================================================== --- /dev/null +++ glibc-2.22/sysdeps/s390/utf16-utf32-z9.c @@ -0,0 +1,636 @@ +/* Conversion between UTF-16 and UTF-32 BE/internal. + + This module uses the Z9-109 variants of the Convert Unicode + instructions. + Copyright (C) 1997-2015 Free Software Foundation, Inc. + + Author: Andreas Krebbel <Andreas.Krebbel@de.ibm.com> + Based on the work by Ulrich Drepper <drepper@cygnus.com>, 1997. + + Thanks to Daniel Appich who covered the relevant performance work + in his diploma thesis. + + This is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <dlfcn.h> +#include <stdint.h> +#include <unistd.h> +#include <dl-procinfo.h> +#include <gconv.h> + +#if defined HAVE_S390_VX_GCC_SUPPORT +# define ASM_CLOBBER_VR(NR) , NR +#else +# define ASM_CLOBBER_VR(NR) +#endif + +#if defined __s390x__ +# define CONVERT_32BIT_SIZE_T(REG) +#else +# define CONVERT_32BIT_SIZE_T(REG) "llgfr %" #REG ",%" #REG "\n\t" +#endif + +/* UTF-32 big endian byte order mark. */ +#define BOM_UTF32 0x0000feffu + +/* UTF-16 big endian byte order mark. */ +#define BOM_UTF16 0xfeff + +#define DEFINE_INIT 0 +#define DEFINE_FINI 0 +#define MIN_NEEDED_FROM 2 +#define MAX_NEEDED_FROM 4 +#define MIN_NEEDED_TO 4 +#define FROM_LOOP __from_utf16_loop +#define TO_LOOP __to_utf16_loop +#define FROM_DIRECTION (dir == from_utf16) +#define ONE_DIRECTION 0 + +/* Direction of the transformation. */ +enum direction +{ + illegal_dir, + to_utf16, + from_utf16 +}; + +struct utf16_data +{ + enum direction dir; + int emit_bom; +}; + + +extern int gconv_init (struct __gconv_step *step); +int +gconv_init (struct __gconv_step *step) +{ + /* Determine which direction. */ + struct utf16_data *new_data; + enum direction dir = illegal_dir; + int emit_bom; + int result; + + emit_bom = (__strcasecmp (step->__to_name, "UTF-32//") == 0 + || __strcasecmp (step->__to_name, "UTF-16//") == 0); + + if (__strcasecmp (step->__from_name, "UTF-16BE//") == 0 + && (__strcasecmp (step->__to_name, "UTF-32//") == 0 + || __strcasecmp (step->__to_name, "UTF-32BE//") == 0 + || __strcasecmp (step->__to_name, "INTERNAL") == 0)) + { + dir = from_utf16; + } + else if ((__strcasecmp (step->__to_name, "UTF-16//") == 0 + || __strcasecmp (step->__to_name, "UTF-16BE//") == 0) + && (__strcasecmp (step->__from_name, "UTF-32BE//") == 0 + || __strcasecmp (step->__from_name, "INTERNAL") == 0)) + { + dir = to_utf16; + } + + result = __GCONV_NOCONV; + if (dir != illegal_dir) + { + new_data = (struct utf16_data *) malloc (sizeof (struct utf16_data)); + + result = __GCONV_NOMEM; + if (new_data != NULL) + { + new_data->dir = dir; + new_data->emit_bom = emit_bom; + step->__data = new_data; + + if (dir == from_utf16) + { + step->__min_needed_from = MIN_NEEDED_FROM; + step->__max_needed_from = MIN_NEEDED_FROM; + step->__min_needed_to = MIN_NEEDED_TO; + step->__max_needed_to = MIN_NEEDED_TO; + } + else + { + step->__min_needed_from = MIN_NEEDED_TO; + step->__max_needed_from = MIN_NEEDED_TO; + step->__min_needed_to = MIN_NEEDED_FROM; + step->__max_needed_to = MIN_NEEDED_FROM; + } + + step->__stateful = 0; + + result = __GCONV_OK; + } + } + + return result; +} + + +extern void gconv_end (struct __gconv_step *data); +void +gconv_end (struct __gconv_step *data) +{ + free (data->__data); +} + +/* The macro for the hardware loop. This is used for both + directions. */ +#define HARDWARE_CONVERT(INSTRUCTION) \ + { \ + register const unsigned char* pInput asm ("8") = inptr; \ + register size_t inlen __asm__ ("9") = inend - inptr; \ + register unsigned char* pOutput asm ("10") = outptr; \ + register size_t outlen __asm__("11") = outend - outptr; \ + unsigned long cc = 0; \ + \ + __asm__ __volatile__ (".machine push \n\t" \ + ".machine \"z9-109\" \n\t" \ + ".machinemode \"zarch_nohighgprs\"\n\t" \ + "0: " INSTRUCTION " \n\t" \ + ".machine pop \n\t" \ + " jo 0b \n\t" \ + " ipm %2 \n" \ + : "+a" (pOutput), "+a" (pInput), "+d" (cc), \ + "+d" (outlen), "+d" (inlen) \ + : \ + : "cc", "memory"); \ + \ + inptr = pInput; \ + outptr = pOutput; \ + cc >>= 28; \ + \ + if (cc == 1) \ + { \ + result = __GCONV_FULL_OUTPUT; \ + } \ + else if (cc == 2) \ + { \ + result = __GCONV_ILLEGAL_INPUT; \ + } \ + } + +#define PREPARE_LOOP \ + enum direction dir = ((struct utf16_data *) step->__data)->dir; \ + int emit_bom = ((struct utf16_data *) step->__data)->emit_bom; \ + \ + if (emit_bom && !data->__internal_use \ + && data->__invocation_counter == 0) \ + { \ + if (dir == to_utf16) \ + { \ + /* Emit the UTF-16 Byte Order Mark. */ \ + if (__glibc_unlikely (outbuf + 2 > outend)) \ + return __GCONV_FULL_OUTPUT; \ + \ + put16u (outbuf, BOM_UTF16); \ + outbuf += 2; \ + } \ + else \ + { \ + /* Emit the UTF-32 Byte Order Mark. */ \ + if (__glibc_unlikely (outbuf + 4 > outend)) \ + return __GCONV_FULL_OUTPUT; \ + \ + put32u (outbuf, BOM_UTF32); \ + outbuf += 4; \ + } \ + } + +/* Conversion function from UTF-16 to UTF-32 internal/BE. */ + +/* The software routine is copied from utf-16.c (minus bytes + swapping). */ +#define BODY_FROM_C \ + { \ + uint16_t u1 = get16 (inptr); \ + \ + if (__builtin_expect (u1 < 0xd800, 1) || u1 > 0xdfff) \ + { \ + /* No surrogate. */ \ + put32 (outptr, u1); \ + inptr += 2; \ + } \ + else \ + { \ + /* An isolated low-surrogate was found. This has to be \ + considered ill-formed. */ \ + if (__glibc_unlikely (u1 >= 0xdc00)) \ + { \ + STANDARD_FROM_LOOP_ERR_HANDLER (2); \ + } \ + /* It's a surrogate character. At least the first word says \ + it is. */ \ + if (__glibc_unlikely (inptr + 4 > inend)) \ + { \ + /* We don't have enough input for another complete input \ + character. */ \ + result = __GCONV_INCOMPLETE_INPUT; \ + break; \ + } \ + \ + inptr += 2; \ + uint16_t u2 = get16 (inptr); \ + if (__builtin_expect (u2 < 0xdc00, 0) \ + || __builtin_expect (u2 > 0xdfff, 0)) \ + { \ + /* This is no valid second word for a surrogate. */ \ + inptr -= 2; \ + STANDARD_FROM_LOOP_ERR_HANDLER (2); \ + } \ + \ + put32 (outptr, ((u1 - 0xd7c0) << 10) + (u2 - 0xdc00)); \ + inptr += 2; \ + } \ + outptr += 4; \ + } + +#define BODY_FROM_VX \ + { \ + size_t inlen = inend - inptr; \ + size_t outlen = outend - outptr; \ + unsigned long tmp, tmp2, tmp3; \ + asm volatile (".machine push\n\t" \ + ".machine \"z13\"\n\t" \ + ".machinemode \"zarch_nohighgprs\"\n\t" \ + /* Setup to check for surrogates. */ \ + " larl %[R_TMP],9f\n\t" \ + " vlm %%v30,%%v31,0(%[R_TMP])\n\t" \ + CONVERT_32BIT_SIZE_T ([R_INLEN]) \ + CONVERT_32BIT_SIZE_T ([R_OUTLEN]) \ + /* Loop which handles UTF-16 chars <0xd800, >0xdfff. */ \ + "0: clgijl %[R_INLEN],16,2f\n\t" \ + " clgijl %[R_OUTLEN],32,2f\n\t" \ + "1: vl %%v16,0(%[R_IN])\n\t" \ + /* Check for surrogate chars. */ \ + " vstrchs %%v19,%%v16,%%v30,%%v31\n\t" \ + " jno 10f\n\t" \ + /* Enlarge to UTF-32. */ \ + " vuplhh %%v17,%%v16\n\t" \ + " la %[R_IN],16(%[R_IN])\n\t" \ + " vupllh %%v18,%%v16\n\t" \ + " aghi %[R_INLEN],-16\n\t" \ + /* Store 32 bytes to buf_out. */ \ + " vstm %%v17,%%v18,0(%[R_OUT])\n\t" \ + " aghi %[R_OUTLEN],-32\n\t" \ + " la %[R_OUT],32(%[R_OUT])\n\t" \ + " clgijl %[R_INLEN],16,2f\n\t" \ + " clgijl %[R_OUTLEN],32,2f\n\t" \ + " j 1b\n\t" \ + /* Setup to check for ch >= 0xd800 && ch <= 0xdfff. (v30, v31) */ \ + "9: .short 0xd800,0xdfff,0x0,0x0,0x0,0x0,0x0,0x0\n\t" \ + " .short 0xa000,0xc000,0x0,0x0,0x0,0x0,0x0,0x0\n\t" \ + /* At least on uint16_t is in range of surrogates. \ + Store the preceding chars. */ \ + "10: vlgvb %[R_TMP],%%v19,7\n\t" \ + " vuplhh %%v17,%%v16\n\t" \ + " sllg %[R_TMP3],%[R_TMP],1\n\t" /* Number of out bytes. */ \ + " ahik %[R_TMP2],%[R_TMP3],-1\n\t" /* Highest index to store. */ \ + " jl 12f\n\t" \ + " vstl %%v17,%[R_TMP2],0(%[R_OUT])\n\t" \ + " vupllh %%v18,%%v16\n\t" \ + " ahi %[R_TMP2],-16\n\t" \ + " jl 11f\n\t" \ + " vstl %%v18,%[R_TMP2],16(%[R_OUT])\n\t" \ + "11: \n\t" /* Update pointers. */ \ + " la %[R_IN],0(%[R_TMP],%[R_IN])\n\t" \ + " slgr %[R_INLEN],%[R_TMP]\n\t" \ + " la %[R_OUT],0(%[R_TMP3],%[R_OUT])\n\t" \ + " slgr %[R_OUTLEN],%[R_TMP3]\n\t" \ + /* Calculate remaining uint16_t values in loaded vrs. */ \ + "12: lghi %[R_TMP2],16\n\t" \ + " sgr %[R_TMP2],%[R_TMP]\n\t" \ + " srl %[R_TMP2],1\n\t" \ + " llh %[R_TMP],0(%[R_IN])\n\t" \ + " aghi %[R_OUTLEN],-4\n\t" \ + " j 16f\n\t" \ + /* Handle remaining bytes. */ \ + "2: \n\t" \ + /* Zero, one or more bytes available? */ \ + " clgfi %[R_INLEN],1\n\t" \ + " je 97f\n\t" /* Only one byte available. */ \ + " jl 99f\n\t" /* End if no bytes available. */ \ + /* Calculate remaining uint16_t values in inptr. */ \ + " srlg %[R_TMP2],%[R_INLEN],1\n\t" \ + /* Handle remaining uint16_t values. */ \ + "13: llh %[R_TMP],0(%[R_IN])\n\t" \ + " slgfi %[R_OUTLEN],4\n\t" \ + " jl 96f \n\t" \ + " clfi %[R_TMP],0xd800\n\t" \ + " jhe 15f\n\t" \ + "14: st %[R_TMP],0(%[R_OUT])\n\t" \ + " la %[R_IN],2(%[R_IN])\n\t" \ + " aghi %[R_INLEN],-2\n\t" \ + " la %[R_OUT],4(%[R_OUT])\n\t" \ + " brctg %[R_TMP2],13b\n\t" \ + " j 0b\n\t" /* Switch to vx-loop. */ \ + /* Handle UTF-16 surrogate pair. */ \ + "15: clfi %[R_TMP],0xdfff\n\t" \ + " jh 14b\n\t" /* Jump away if ch > 0xdfff. */ \ + "16: clfi %[R_TMP],0xdc00\n\t" \ + " jhe 98f\n\t" /* Jump away in case of low-surrogate. */ \ + " slgfi %[R_INLEN],4\n\t" \ + " jl 97f\n\t" /* Big enough input? */ \ + " llh %[R_TMP3],2(%[R_IN])\n\t" /* Load low surrogate. */ \ + " slfi %[R_TMP],0xd7c0\n\t" \ + " sll %[R_TMP],10\n\t" \ + " risbgn %[R_TMP],%[R_TMP3],54,63,0\n\t" /* Insert klmnopqrst. */ \ + " nilf %[R_TMP3],0xfc00\n\t" \ + " clfi %[R_TMP3],0xdc00\n\t" /* Check if it starts with 0xdc00. */ \ + " jne 98f\n\t" \ + " st %[R_TMP],0(%[R_OUT])\n\t" \ + " la %[R_IN],4(%[R_IN])\n\t" \ + " la %[R_OUT],4(%[R_OUT])\n\t" \ + " aghi %[R_TMP2],-2\n\t" \ + " jh 13b\n\t" /* Handle remaining uint16_t values. */ \ + " j 0b\n\t" /* Switch to vx-loop. */ \ + "96: \n\t" /* Return full output. */ \ + " lghi %[R_RES],%[RES_OUT_FULL]\n\t" \ + " j 99f\n\t" \ + "97: \n\t" /* Return incomplete input. */ \ + " lghi %[R_RES],%[RES_IN_FULL]\n\t" \ + " j 99f\n\t" \ + "98:\n\t" /* Return Illegal character. */ \ + " lghi %[R_RES],%[RES_IN_ILL]\n\t" \ + "99:\n\t" \ + ".machine pop" \ + : /* outputs */ [R_IN] "+a" (inptr) \ + , [R_INLEN] "+d" (inlen), [R_OUT] "+a" (outptr) \ + , [R_OUTLEN] "+d" (outlen), [R_TMP] "=a" (tmp) \ + , [R_TMP2] "=d" (tmp2), [R_TMP3] "=a" (tmp3) \ + , [R_RES] "+d" (result) \ + : /* inputs */ \ + [RES_OUT_FULL] "i" (__GCONV_FULL_OUTPUT) \ + , [RES_IN_ILL] "i" (__GCONV_ILLEGAL_INPUT) \ + , [RES_IN_FULL] "i" (__GCONV_INCOMPLETE_INPUT) \ + : /* clobber list */ "memory", "cc" \ + ASM_CLOBBER_VR ("v16") ASM_CLOBBER_VR ("v17") \ + ASM_CLOBBER_VR ("v18") ASM_CLOBBER_VR ("v19") \ + ASM_CLOBBER_VR ("v30") ASM_CLOBBER_VR ("v31") \ + ); \ + if (__glibc_likely (inptr == inend) \ + || result != __GCONV_ILLEGAL_INPUT) \ + break; \ + \ + STANDARD_FROM_LOOP_ERR_HANDLER (2); \ + } + + +/* Generate loop-function with software routing. */ +#define MIN_NEEDED_INPUT MIN_NEEDED_FROM +#define MAX_NEEDED_INPUT MAX_NEEDED_FROM +#define MIN_NEEDED_OUTPUT MIN_NEEDED_TO +#if defined HAVE_S390_VX_ASM_SUPPORT +# define LOOPFCT __from_utf16_loop_c +# define LOOP_NEED_FLAGS +# define BODY BODY_FROM_C +# include <iconv/loop.c> + +/* Generate loop-function with hardware vector instructions. */ +# define MIN_NEEDED_INPUT MIN_NEEDED_FROM +# define MAX_NEEDED_INPUT MAX_NEEDED_FROM +# define MIN_NEEDED_OUTPUT MIN_NEEDED_TO +# define LOOPFCT __from_utf16_loop_vx +# define LOOP_NEED_FLAGS +# define BODY BODY_FROM_VX +# include <iconv/loop.c> + +/* Generate ifunc'ed loop function. */ +__typeof(__from_utf16_loop_c) +__attribute__ ((ifunc ("__from_utf16_loop_resolver"))) +__from_utf16_loop; + +static void * +__from_utf16_loop_resolver (unsigned long int dl_hwcap) +{ + if (dl_hwcap & HWCAP_S390_VX) + return __from_utf16_loop_vx; + else + return __from_utf16_loop_c; +} + +strong_alias (__from_utf16_loop_c_single, __from_utf16_loop_single) +#else +# define LOOPFCT FROM_LOOP +# define LOOP_NEED_FLAGS +# define BODY BODY_FROM_C +# include <iconv/loop.c> +#endif + +/* Conversion from UTF-32 internal/BE to UTF-16. */ + +/* The software routine is copied from utf-16.c (minus bytes + swapping). */ +#define BODY_TO_C \ + { \ + uint32_t c = get32 (inptr); \ + \ + if (__builtin_expect (c <= 0xd7ff, 1) \ + || (c >=0xdc00 && c <= 0xffff)) \ + { \ + /* Two UTF-16 chars. */ \ + put16 (outptr, c); \ + } \ + else if (__builtin_expect (c >= 0x10000, 1) \ + && __builtin_expect (c <= 0x10ffff, 1)) \ + { \ + /* Four UTF-16 chars. */ \ + uint16_t zabcd = ((c & 0x1f0000) >> 16) - 1; \ + uint16_t out; \ + \ + /* Generate a surrogate character. */ \ + if (__glibc_unlikely (outptr + 4 > outend)) \ + { \ + /* Overflow in the output buffer. */ \ + result = __GCONV_FULL_OUTPUT; \ + break; \ + } \ + \ + out = 0xd800; \ + out |= (zabcd & 0xff) << 6; \ + out |= (c >> 10) & 0x3f; \ + put16 (outptr, out); \ + outptr += 2; \ + \ + out = 0xdc00; \ + out |= c & 0x3ff; \ + put16 (outptr, out); \ + } \ + else \ + { \ + STANDARD_TO_LOOP_ERR_HANDLER (4); \ + } \ + outptr += 2; \ + inptr += 4; \ + } + +#define BODY_TO_ETF3EH \ + { \ + HARDWARE_CONVERT ("cu42 %0, %1"); \ + \ + if (__glibc_likely (inptr == inend) \ + || result == __GCONV_FULL_OUTPUT) \ + break; \ + \ + if (inptr + 4 > inend) \ + { \ + result = __GCONV_INCOMPLETE_INPUT; \ + break; \ + } \ + \ + STANDARD_TO_LOOP_ERR_HANDLER (4); \ + } + +#define BODY_TO_VX \ + { \ + register const unsigned char* pInput asm ("8") = inptr; \ + register size_t inlen asm ("9") = inend - inptr; \ + register unsigned char* pOutput asm ("10") = outptr; \ + register size_t outlen asm("11") = outend - outptr; \ + unsigned long tmp, tmp2, tmp3; \ + asm volatile (".machine push\n\t" \ + ".machine \"z13\"\n\t" \ + ".machinemode \"zarch_nohighgprs\"\n\t" \ + /* Setup to check for surrogates. */ \ + " larl %[R_TMP],9f\n\t" \ + " vlm %%v30,%%v31,0(%[R_TMP])\n\t" \ + CONVERT_32BIT_SIZE_T ([R_INLEN]) \ + CONVERT_32BIT_SIZE_T ([R_OUTLEN]) \ + /* Loop which handles UTF-16 chars \ + ch < 0xd800 || (ch > 0xdfff && ch < 0x10000). */ \ + "0: clgijl %[R_INLEN],32,20f\n\t" \ + " clgijl %[R_OUTLEN],16,20f\n\t" \ + "1: vlm %%v16,%%v17,0(%[R_IN])\n\t" \ + " lghi %[R_TMP2],0\n\t" \ + /* Shorten to UTF-16. */ \ + " vpkf %%v18,%%v16,%%v17\n\t" \ + /* Check for surrogate chars. */ \ + " vstrcfs %%v19,%%v16,%%v30,%%v31\n\t" \ + " jno 10f\n\t" \ + " vstrcfs %%v19,%%v17,%%v30,%%v31\n\t" \ + " jno 11f\n\t" \ + /* Store 16 bytes to buf_out. */ \ + " vst %%v18,0(%[R_OUT])\n\t" \ + " la %[R_IN],32(%[R_IN])\n\t" \ + " aghi %[R_INLEN],-32\n\t" \ + " aghi %[R_OUTLEN],-16\n\t" \ + " la %[R_OUT],16(%[R_OUT])\n\t" \ + " clgijl %[R_INLEN],32,20f\n\t" \ + " clgijl %[R_OUTLEN],16,20f\n\t" \ + " j 1b\n\t" \ + /* Setup to check for ch >= 0xd800 && ch <= 0xdfff \ + and check for ch >= 0x10000. (v30, v31) */ \ + "9: .long 0xd800,0xdfff,0x10000,0x10000\n\t" \ + " .long 0xa0000000,0xc0000000, 0xa0000000,0xa0000000\n\t" \ + /* At least on UTF32 char is in range of surrogates. \ + Store the preceding characters. */ \ + "11: ahi %[R_TMP2],16\n\t" \ + "10: vlgvb %[R_TMP],%%v19,7\n\t" \ + " agr %[R_TMP],%[R_TMP2]\n\t" \ + " srlg %[R_TMP3],%[R_TMP],1\n\t" /* Number of out bytes. */ \ + " ahik %[R_TMP2],%[R_TMP3],-1\n\t" /* Highest index to store. */ \ + " jl 20f\n\t" \ + " vstl %%v18,%[R_TMP2],0(%[R_OUT])\n\t" \ + /* Update pointers. */ \ + " la %[R_IN],0(%[R_TMP],%[R_IN])\n\t" \ + " slgr %[R_INLEN],%[R_TMP]\n\t" \ + " la %[R_OUT],0(%[R_TMP3],%[R_OUT])\n\t" \ + " slgr %[R_OUTLEN],%[R_TMP3]\n\t" \ + /* Handles UTF16 surrogates with convert instruction. */ \ + "20: cu42 %[R_OUT],%[R_IN]\n\t" \ + " jo 0b\n\t" /* Try vector implemenation again. */ \ + " lochil %[R_RES],%[RES_OUT_FULL]\n\t" /* cc == 1. */ \ + " lochih %[R_RES],%[RES_IN_ILL]\n\t" /* cc == 2. */ \ + ".machine pop" \ + : /* outputs */ [R_IN] "+a" (pInput) \ + , [R_INLEN] "+d" (inlen), [R_OUT] "+a" (pOutput) \ + , [R_OUTLEN] "+d" (outlen), [R_TMP] "=a" (tmp) \ + , [R_TMP2] "=d" (tmp2), [R_TMP3] "=a" (tmp3) \ + , [R_RES] "+d" (result) \ + : /* inputs */ \ + [RES_OUT_FULL] "i" (__GCONV_FULL_OUTPUT) \ + , [RES_IN_ILL] "i" (__GCONV_ILLEGAL_INPUT) \ + , [RES_IN_FULL] "i" (__GCONV_INCOMPLETE_INPUT) \ + : /* clobber list */ "memory", "cc" \ + ASM_CLOBBER_VR ("v16") ASM_CLOBBER_VR ("v17") \ + ASM_CLOBBER_VR ("v18") ASM_CLOBBER_VR ("v19") \ + ASM_CLOBBER_VR ("v30") ASM_CLOBBER_VR ("v31") \ + ); \ + inptr = pInput; \ + outptr = pOutput; \ + \ + if (__glibc_likely (inptr == inend) \ + || result == __GCONV_FULL_OUTPUT) \ + break; \ + if (inptr + 4 > inend) \ + { \ + result = __GCONV_INCOMPLETE_INPUT; \ + break; \ + } \ + STANDARD_TO_LOOP_ERR_HANDLER (4); \ + } + +/* Generate loop-function with software routing. */ +#define MIN_NEEDED_INPUT MIN_NEEDED_TO +#define MIN_NEEDED_OUTPUT MIN_NEEDED_FROM +#define MAX_NEEDED_OUTPUT MAX_NEEDED_FROM +#define LOOPFCT __to_utf16_loop_c +#define LOOP_NEED_FLAGS +#define BODY BODY_TO_C +#include <iconv/loop.c> + +/* Generate loop-function with hardware utf-convert instruction. */ +#define MIN_NEEDED_INPUT MIN_NEEDED_TO +#define MIN_NEEDED_OUTPUT MIN_NEEDED_FROM +#define MAX_NEEDED_OUTPUT MAX_NEEDED_FROM +#define LOOPFCT __to_utf16_loop_etf3eh +#define LOOP_NEED_FLAGS +#define BODY BODY_TO_ETF3EH +#include <iconv/loop.c> + +#if defined HAVE_S390_VX_ASM_SUPPORT +/* Generate loop-function with hardware vector instructions. */ +# define MIN_NEEDED_INPUT MIN_NEEDED_TO +# define MIN_NEEDED_OUTPUT MIN_NEEDED_FROM +# define MAX_NEEDED_OUTPUT MAX_NEEDED_FROM +# define LOOPFCT __to_utf16_loop_vx +# define LOOP_NEED_FLAGS +# define BODY BODY_TO_VX +# include <iconv/loop.c> +#endif + +/* Generate ifunc'ed loop function. */ +__typeof(__to_utf16_loop_c) +__attribute__ ((ifunc ("__to_utf16_loop_resolver"))) +__to_utf16_loop; + +static void * +__to_utf16_loop_resolver (unsigned long int dl_hwcap) +{ +#if defined HAVE_S390_VX_ASM_SUPPORT + if (dl_hwcap & HWCAP_S390_VX) + return __to_utf16_loop_vx; + else +#endif + if (dl_hwcap & HWCAP_S390_ZARCH && dl_hwcap & HWCAP_S390_HIGH_GPRS + && dl_hwcap & HWCAP_S390_ETF3EH) + return __to_utf16_loop_etf3eh; + else + return __to_utf16_loop_c; +} + +strong_alias (__to_utf16_loop_c_single, __to_utf16_loop_single) + + +#include <iconv/skeleton.c> Index: glibc-2.22/sysdeps/s390/utf8-utf16-z9.c =================================================================== --- /dev/null +++ glibc-2.22/sysdeps/s390/utf8-utf16-z9.c @@ -0,0 +1,818 @@ +/* Conversion between UTF-16 and UTF-32 BE/internal. + + This module uses the Z9-109 variants of the Convert Unicode + instructions. + Copyright (C) 1997-2015 Free Software Foundation, Inc. + + Author: Andreas Krebbel <Andreas.Krebbel@de.ibm.com> + Based on the work by Ulrich Drepper <drepper@cygnus.com>, 1997. + + Thanks to Daniel Appich who covered the relevant performance work + in his diploma thesis. + + This is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <dlfcn.h> +#include <stdint.h> +#include <unistd.h> +#include <dl-procinfo.h> +#include <gconv.h> + +#if defined HAVE_S390_VX_GCC_SUPPORT +# define ASM_CLOBBER_VR(NR) , NR +#else +# define ASM_CLOBBER_VR(NR) +#endif + +#if defined __s390x__ +# define CONVERT_32BIT_SIZE_T(REG) +#else +# define CONVERT_32BIT_SIZE_T(REG) "llgfr %" #REG ",%" #REG "\n\t" +#endif + +/* Defines for skeleton.c. */ +#define DEFINE_INIT 0 +#define DEFINE_FINI 0 +#define MIN_NEEDED_FROM 1 +#define MAX_NEEDED_FROM 4 +#define MIN_NEEDED_TO 2 +#define MAX_NEEDED_TO 4 +#define FROM_LOOP __from_utf8_loop +#define TO_LOOP __to_utf8_loop +#define FROM_DIRECTION (dir == from_utf8) +#define ONE_DIRECTION 0 + + +/* UTF-16 big endian byte order mark. */ +#define BOM_UTF16 0xfeff + +/* Direction of the transformation. */ +enum direction +{ + illegal_dir, + to_utf8, + from_utf8 +}; + +struct utf8_data +{ + enum direction dir; + int emit_bom; +}; + + +extern int gconv_init (struct __gconv_step *step); +int +gconv_init (struct __gconv_step *step) +{ + /* Determine which direction. */ + struct utf8_data *new_data; + enum direction dir = illegal_dir; + int emit_bom; + int result; + + emit_bom = (__strcasecmp (step->__to_name, "UTF-16//") == 0); + + if (__strcasecmp (step->__from_name, "ISO-10646/UTF8/") == 0 + && (__strcasecmp (step->__to_name, "UTF-16//") == 0 + || __strcasecmp (step->__to_name, "UTF-16BE//") == 0)) + { + dir = from_utf8; + } + else if (__strcasecmp (step->__from_name, "UTF-16BE//") == 0 + && __strcasecmp (step->__to_name, "ISO-10646/UTF8/") == 0) + { + dir = to_utf8; + } + + result = __GCONV_NOCONV; + if (dir != illegal_dir) + { + new_data = (struct utf8_data *) malloc (sizeof (struct utf8_data)); + + result = __GCONV_NOMEM; + if (new_data != NULL) + { + new_data->dir = dir; + new_data->emit_bom = emit_bom; + step->__data = new_data; + + if (dir == from_utf8) + { + step->__min_needed_from = MIN_NEEDED_FROM; + step->__max_needed_from = MIN_NEEDED_FROM; + step->__min_needed_to = MIN_NEEDED_TO; + step->__max_needed_to = MIN_NEEDED_TO; + } + else + { + step->__min_needed_from = MIN_NEEDED_TO; + step->__max_needed_from = MIN_NEEDED_TO; + step->__min_needed_to = MIN_NEEDED_FROM; + step->__max_needed_to = MIN_NEEDED_FROM; + } + + step->__stateful = 0; + + result = __GCONV_OK; + } + } + + return result; +} + + +extern void gconv_end (struct __gconv_step *data); +void +gconv_end (struct __gconv_step *data) +{ + free (data->__data); +} + +/* The macro for the hardware loop. This is used for both + directions. */ +#define HARDWARE_CONVERT(INSTRUCTION) \ + { \ + register const unsigned char* pInput asm ("8") = inptr; \ + register size_t inlen __asm__ ("9") = inend - inptr; \ + register unsigned char* pOutput asm ("10") = outptr; \ + register size_t outlen __asm__("11") = outend - outptr; \ + unsigned long cc = 0; \ + \ + __asm__ __volatile__ (".machine push \n\t" \ + ".machine \"z9-109\" \n\t" \ + ".machinemode \"zarch_nohighgprs\"\n\t" \ + "0: " INSTRUCTION " \n\t" \ + ".machine pop \n\t" \ + " jo 0b \n\t" \ + " ipm %2 \n" \ + : "+a" (pOutput), "+a" (pInput), "+d" (cc), \ + "+d" (outlen), "+d" (inlen) \ + : \ + : "cc", "memory"); \ + \ + inptr = pInput; \ + outptr = pOutput; \ + cc >>= 28; \ + \ + if (cc == 1) \ + { \ + result = __GCONV_FULL_OUTPUT; \ + } \ + else if (cc == 2) \ + { \ + result = __GCONV_ILLEGAL_INPUT; \ + } \ + } + +#define PREPARE_LOOP \ + enum direction dir = ((struct utf8_data *) step->__data)->dir; \ + int emit_bom = ((struct utf8_data *) step->__data)->emit_bom; \ + \ + if (emit_bom && !data->__internal_use \ + && data->__invocation_counter == 0) \ + { \ + /* Emit the UTF-16 Byte Order Mark. */ \ + if (__glibc_unlikely (outbuf + 2 > outend)) \ + return __GCONV_FULL_OUTPUT; \ + \ + put16u (outbuf, BOM_UTF16); \ + outbuf += 2; \ + } + +/* Conversion function from UTF-8 to UTF-16. */ +#define BODY_FROM_HW(ASM) \ + { \ + ASM; \ + if (__glibc_likely (inptr == inend) \ + || result == __GCONV_FULL_OUTPUT) \ + break; \ + \ + int i; \ + for (i = 1; inptr + i < inend && i < 5; ++i) \ + if ((inptr[i] & 0xc0) != 0x80) \ + break; \ + \ + if (__glibc_likely (inptr + i == inend \ + && result == __GCONV_EMPTY_INPUT)) \ + { \ + result = __GCONV_INCOMPLETE_INPUT; \ + break; \ + } \ + STANDARD_FROM_LOOP_ERR_HANDLER (i); \ + } + +#define BODY_FROM_ETF3EH BODY_FROM_HW (HARDWARE_CONVERT ("cu12 %0, %1, 1")) + +#define HW_FROM_VX \ + { \ + register const unsigned char* pInput asm ("8") = inptr; \ + register size_t inlen asm ("9") = inend - inptr; \ + register unsigned char* pOutput asm ("10") = outptr; \ + register size_t outlen asm("11") = outend - outptr; \ + unsigned long tmp, tmp2, tmp3; \ + asm volatile (".machine push\n\t" \ + ".machine \"z13\"\n\t" \ + ".machinemode \"zarch_nohighgprs\"\n\t" \ + " vrepib %%v30,0x7f\n\t" /* For compare > 0x7f. */ \ + " vrepib %%v31,0x20\n\t" \ + CONVERT_32BIT_SIZE_T ([R_INLEN]) \ + CONVERT_32BIT_SIZE_T ([R_OUTLEN]) \ + /* Loop which handles UTF-8 chars <=0x7f. */ \ + "0: clgijl %[R_INLEN],16,20f\n\t" \ + " clgijl %[R_OUTLEN],32,20f\n\t" \ + "1: vl %%v16,0(%[R_IN])\n\t" \ + " vstrcbs %%v17,%%v16,%%v30,%%v31\n\t" \ + " jno 10f\n\t" /* Jump away if not all bytes are 1byte \ + UTF8 chars. */ \ + /* Enlarge to UTF-16. */ \ + " vuplhb %%v18,%%v16\n\t" \ + " la %[R_IN],16(%[R_IN])\n\t" \ + " vupllb %%v19,%%v16\n\t" \ + " aghi %[R_INLEN],-16\n\t" \ + /* Store 32 bytes to buf_out. */ \ + " vstm %%v18,%%v19,0(%[R_OUT])\n\t" \ + " aghi %[R_OUTLEN],-32\n\t" \ + " la %[R_OUT],32(%[R_OUT])\n\t" \ + " clgijl %[R_INLEN],16,20f\n\t" \ + " clgijl %[R_OUTLEN],32,20f\n\t" \ + " j 1b\n\t" \ + "10:\n\t" \ + /* At least one byte is > 0x7f. \ + Store the preceding 1-byte chars. */ \ + " vlgvb %[R_TMP],%%v17,7\n\t" \ + " sllk %[R_TMP2],%[R_TMP],1\n\t" /* Compute highest \ + index to store. */ \ + " llgfr %[R_TMP3],%[R_TMP2]\n\t" \ + " ahi %[R_TMP2],-1\n\t" \ + " jl 20f\n\t" \ + " vuplhb %%v18,%%v16\n\t" \ + " vstl %%v18,%[R_TMP2],0(%[R_OUT])\n\t" \ + " ahi %[R_TMP2],-16\n\t" \ + " jl 11f\n\t" \ + " vupllb %%v19,%%v16\n\t" \ + " vstl %%v19,%[R_TMP2],16(%[R_OUT])\n\t" \ + "11: \n\t" /* Update pointers. */ \ + " la %[R_IN],0(%[R_TMP],%[R_IN])\n\t" \ + " slgr %[R_INLEN],%[R_TMP]\n\t" \ + " la %[R_OUT],0(%[R_TMP3],%[R_OUT])\n\t" \ + " slgr %[R_OUTLEN],%[R_TMP3]\n\t" \ + /* Handle multibyte utf8-char with convert instruction. */ \ + "20: cu12 %[R_OUT],%[R_IN],1\n\t" \ + " jo 0b\n\t" /* Try vector implemenation again. */ \ + " lochil %[R_RES],%[RES_OUT_FULL]\n\t" /* cc == 1. */ \ + " lochih %[R_RES],%[RES_IN_ILL]\n\t" /* cc == 2. */ \ + ".machine pop" \ + : /* outputs */ [R_IN] "+a" (pInput) \ + , [R_INLEN] "+d" (inlen), [R_OUT] "+a" (pOutput) \ + , [R_OUTLEN] "+d" (outlen), [R_TMP] "=a" (tmp) \ + , [R_TMP2] "=d" (tmp2), [R_TMP3] "=a" (tmp3) \ + , [R_RES] "+d" (result) \ + : /* inputs */ \ + [RES_OUT_FULL] "i" (__GCONV_FULL_OUTPUT) \ + , [RES_IN_ILL] "i" (__GCONV_ILLEGAL_INPUT) \ + : /* clobber list */ "memory", "cc" \ + ASM_CLOBBER_VR ("v16") ASM_CLOBBER_VR ("v17") \ + ASM_CLOBBER_VR ("v18") ASM_CLOBBER_VR ("v19") \ + ASM_CLOBBER_VR ("v30") ASM_CLOBBER_VR ("v31") \ + ); \ + inptr = pInput; \ + outptr = pOutput; \ + } +#define BODY_FROM_VX BODY_FROM_HW (HW_FROM_VX) + + +/* The software implementation is based on the code in gconv_simple.c. */ +#define BODY_FROM_C \ + { \ + /* Next input byte. */ \ + uint16_t ch = *inptr; \ + \ + if (__glibc_likely (ch < 0x80)) \ + { \ + /* One byte sequence. */ \ + ++inptr; \ + } \ + else \ + { \ + uint_fast32_t cnt; \ + uint_fast32_t i; \ + \ + if (ch >= 0xc2 && ch < 0xe0) \ + { \ + /* We expect two bytes. The first byte cannot be 0xc0 \ + or 0xc1, otherwise the wide character could have been \ + represented using a single byte. */ \ + cnt = 2; \ + ch &= 0x1f; \ + } \ + else if (__glibc_likely ((ch & 0xf0) == 0xe0)) \ + { \ + /* We expect three bytes. */ \ + cnt = 3; \ + ch &= 0x0f; \ + } \ + else if (__glibc_likely ((ch & 0xf8) == 0xf0)) \ + { \ + /* We expect four bytes. */ \ + cnt = 4; \ + ch &= 0x07; \ + } \ + else \ + { \ + /* Search the end of this ill-formed UTF-8 character. This \ + is the next byte with (x & 0xc0) != 0x80. */ \ + i = 0; \ + do \ + ++i; \ + while (inptr + i < inend \ + && (*(inptr + i) & 0xc0) == 0x80 \ + && i < 5); \ + \ + errout: \ + STANDARD_FROM_LOOP_ERR_HANDLER (i); \ + } \ + \ + if (__glibc_unlikely (inptr + cnt > inend)) \ + { \ + /* We don't have enough input. But before we report \ + that check that all the bytes are correct. */ \ + for (i = 1; inptr + i < inend; ++i) \ + if ((inptr[i] & 0xc0) != 0x80) \ + break; \ + \ + if (__glibc_likely (inptr + i == inend)) \ + { \ + result = __GCONV_INCOMPLETE_INPUT; \ + break; \ + } \ + \ + goto errout; \ + } \ + \ + if (cnt == 4) \ + { \ + /* For 4 byte UTF-8 chars two UTF-16 chars (high and \ + low) are needed. */ \ + uint16_t zabcd, high, low; \ + \ + if (__glibc_unlikely (outptr + 4 > outend)) \ + { \ + /* Overflow in the output buffer. */ \ + result = __GCONV_FULL_OUTPUT; \ + break; \ + } \ + \ + /* Check if tail-bytes >= 0x80, < 0xc0. */ \ + for (i = 1; i < cnt; ++i) \ + { \ + if ((inptr[i] & 0xc0) != 0x80) \ + /* This is an illegal encoding. */ \ + goto errout; \ + } \ + \ + /* See Principles of Operations cu12. */ \ + zabcd = (((inptr[0] & 0x7) << 2) | \ + ((inptr[1] & 0x30) >> 4)) - 1; \ + \ + /* z-bit must be zero after subtracting 1. */ \ + if (zabcd & 0x10) \ + STANDARD_FROM_LOOP_ERR_HANDLER (4) \ + \ + high = (uint16_t)(0xd8 << 8); /* high surrogate id */ \ + high |= zabcd << 6; /* abcd bits */ \ + high |= (inptr[1] & 0xf) << 2; /* efgh bits */ \ + high |= (inptr[2] & 0x30) >> 4; /* ij bits */ \ + \ + low = (uint16_t)(0xdc << 8); /* low surrogate id */ \ + low |= ((uint16_t)inptr[2] & 0xc) << 6; /* kl bits */ \ + low |= (inptr[2] & 0x3) << 6; /* mn bits */ \ + low |= inptr[3] & 0x3f; /* opqrst bits */ \ + \ + put16 (outptr, high); \ + outptr += 2; \ + put16 (outptr, low); \ + outptr += 2; \ + inptr += 4; \ + continue; \ + } \ + else \ + { \ + /* Read the possible remaining bytes. */ \ + for (i = 1; i < cnt; ++i) \ + { \ + uint16_t byte = inptr[i]; \ + \ + if ((byte & 0xc0) != 0x80) \ + /* This is an illegal encoding. */ \ + break; \ + \ + ch <<= 6; \ + ch |= byte & 0x3f; \ + } \ + \ + /* If i < cnt, some trail byte was not >= 0x80, < 0xc0. \ + If cnt > 2 and ch < 2^(5*cnt-4), the wide character ch could \ + have been represented with fewer than cnt bytes. */ \ + if (i < cnt || (cnt > 2 && (ch >> (5 * cnt - 4)) == 0) \ + /* Do not accept UTF-16 surrogates. */ \ + || (ch >= 0xd800 && ch <= 0xdfff)) \ + { \ + /* This is an illegal encoding. */ \ + goto errout; \ + } \ + \ + inptr += cnt; \ + } \ + } \ + /* Now adjust the pointers and store the result. */ \ + *((uint16_t *) outptr) = ch; \ + outptr += sizeof (uint16_t); \ + } + +/* Generate loop-function with software implementation. */ +#define MIN_NEEDED_INPUT MIN_NEEDED_FROM +#define MAX_NEEDED_INPUT MAX_NEEDED_FROM +#define MIN_NEEDED_OUTPUT MIN_NEEDED_TO +#define MAX_NEEDED_OUTPUT MAX_NEEDED_TO +#define LOOPFCT __from_utf8_loop_c +#define LOOP_NEED_FLAGS +#define BODY BODY_FROM_C +#include <iconv/loop.c> + +/* Generate loop-function with hardware utf-convert instruction. */ +#define MIN_NEEDED_INPUT MIN_NEEDED_FROM +#define MAX_NEEDED_INPUT MAX_NEEDED_FROM +#define MIN_NEEDED_OUTPUT MIN_NEEDED_TO +#define MAX_NEEDED_OUTPUT MAX_NEEDED_TO +#define LOOPFCT __from_utf8_loop_etf3eh +#define LOOP_NEED_FLAGS +#define BODY BODY_FROM_ETF3EH +#include <iconv/loop.c> + +#if defined HAVE_S390_VX_ASM_SUPPORT +/* Generate loop-function with hardware vector and utf-convert instructions. */ +# define MIN_NEEDED_INPUT MIN_NEEDED_FROM +# define MAX_NEEDED_INPUT MAX_NEEDED_FROM +# define MIN_NEEDED_OUTPUT MIN_NEEDED_TO +# define MAX_NEEDED_OUTPUT MAX_NEEDED_TO +# define LOOPFCT __from_utf8_loop_vx +# define LOOP_NEED_FLAGS +# define BODY BODY_FROM_VX +# include <iconv/loop.c> +#endif + + +/* Generate ifunc'ed loop function. */ +__typeof(__from_utf8_loop_c) +__attribute__ ((ifunc ("__from_utf8_loop_resolver"))) +__from_utf8_loop; + +static void * +__from_utf8_loop_resolver (unsigned long int dl_hwcap) +{ +#if defined HAVE_S390_VX_ASM_SUPPORT + if (dl_hwcap & HWCAP_S390_VX) + return __from_utf8_loop_vx; + else +#endif + if (dl_hwcap & HWCAP_S390_ZARCH && dl_hwcap & HWCAP_S390_HIGH_GPRS + && dl_hwcap & HWCAP_S390_ETF3EH) + return __from_utf8_loop_etf3eh; + else + return __from_utf8_loop_c; +} + +strong_alias (__from_utf8_loop_c_single, __from_utf8_loop_single) + +/* Conversion from UTF-16 to UTF-8. */ + +/* The software routine is based on the functionality of the S/390 + hardware instruction (cu21) as described in the Principles of + Operation. */ +#define BODY_TO_C \ + { \ + uint16_t c = get16 (inptr); \ + \ + if (__glibc_likely (c <= 0x007f)) \ + { \ + /* Single byte UTF-8 char. */ \ + *outptr = c & 0xff; \ + outptr++; \ + } \ + else if (c >= 0x0080 && c <= 0x07ff) \ + { \ + /* Two byte UTF-8 char. */ \ + \ + if (__glibc_unlikely (outptr + 2 > outend)) \ + { \ + /* Overflow in the output buffer. */ \ + result = __GCONV_FULL_OUTPUT; \ + break; \ + } \ + \ + outptr[0] = 0xc0; \ + outptr[0] |= c >> 6; \ + \ + outptr[1] = 0x80; \ + outptr[1] |= c & 0x3f; \ + \ + outptr += 2; \ + } \ + else if ((c >= 0x0800 && c <= 0xd7ff) || c > 0xdfff) \ + { \ + /* Three byte UTF-8 char. */ \ + \ + if (__glibc_unlikely (outptr + 3 > outend)) \ + { \ + /* Overflow in the output buffer. */ \ + result = __GCONV_FULL_OUTPUT; \ + break; \ + } \ + outptr[0] = 0xe0; \ + outptr[0] |= c >> 12; \ + \ + outptr[1] = 0x80; \ + outptr[1] |= (c >> 6) & 0x3f; \ + \ + outptr[2] = 0x80; \ + outptr[2] |= c & 0x3f; \ + \ + outptr += 3; \ + } \ + else if (c >= 0xd800 && c <= 0xdbff) \ + { \ + /* Four byte UTF-8 char. */ \ + uint16_t low, uvwxy; \ + \ + if (__glibc_unlikely (outptr + 4 > outend)) \ + { \ + /* Overflow in the output buffer. */ \ + result = __GCONV_FULL_OUTPUT; \ + break; \ + } \ + if (__glibc_unlikely (inptr + 4 > inend)) \ + { \ + result = __GCONV_INCOMPLETE_INPUT; \ + break; \ + } \ + \ + inptr += 2; \ + low = get16 (inptr); \ + \ + if ((low & 0xfc00) != 0xdc00) \ + { \ + inptr -= 2; \ + STANDARD_TO_LOOP_ERR_HANDLER (2); \ + } \ + uvwxy = ((c >> 6) & 0xf) + 1; \ + outptr[0] = 0xf0; \ + outptr[0] |= uvwxy >> 2; \ + \ + outptr[1] = 0x80; \ + outptr[1] |= (uvwxy << 4) & 0x30; \ + outptr[1] |= (c >> 2) & 0x0f; \ + \ + outptr[2] = 0x80; \ + outptr[2] |= (c & 0x03) << 4; \ + outptr[2] |= (low >> 6) & 0x0f; \ + \ + outptr[3] = 0x80; \ + outptr[3] |= low & 0x3f; \ + \ + outptr += 4; \ + } \ + else \ + { \ + STANDARD_TO_LOOP_ERR_HANDLER (2); \ + } \ + inptr += 2; \ + } + +#define BODY_TO_VX \ + { \ + size_t inlen = inend - inptr; \ + size_t outlen = outend - outptr; \ + unsigned long tmp, tmp2, tmp3; \ + asm volatile (".machine push\n\t" \ + ".machine \"z13\"\n\t" \ + ".machinemode \"zarch_nohighgprs\"\n\t" \ + /* Setup to check for values <= 0x7f. */ \ + " larl %[R_TMP],9f\n\t" \ + " vlm %%v30,%%v31,0(%[R_TMP])\n\t" \ + CONVERT_32BIT_SIZE_T ([R_INLEN]) \ + CONVERT_32BIT_SIZE_T ([R_OUTLEN]) \ + /* Loop which handles UTF-16 chars <=0x7f. */ \ + "0: clgijl %[R_INLEN],32,2f\n\t" \ + " clgijl %[R_OUTLEN],16,2f\n\t" \ + "1: vlm %%v16,%%v17,0(%[R_IN])\n\t" \ + " lghi %[R_TMP2],0\n\t" \ + /* Check for > 1byte UTF-8 chars. */ \ + " vstrchs %%v19,%%v16,%%v30,%%v31\n\t" \ + " jno 10f\n\t" /* Jump away if not all bytes are 1byte \ + UTF8 chars. */ \ + " vstrchs %%v19,%%v17,%%v30,%%v31\n\t" \ + " jno 11f\n\t" /* Jump away if not all bytes are 1byte \ + UTF8 chars. */ \ + /* Shorten to UTF-8. */ \ + " vpkh %%v18,%%v16,%%v17\n\t" \ + " la %[R_IN],32(%[R_IN])\n\t" \ + " aghi %[R_INLEN],-32\n\t" \ + /* Store 16 bytes to buf_out. */ \ + " vst %%v18,0(%[R_OUT])\n\t" \ + " aghi %[R_OUTLEN],-16\n\t" \ + " la %[R_OUT],16(%[R_OUT])\n\t" \ + " clgijl %[R_INLEN],32,2f\n\t" \ + " clgijl %[R_OUTLEN],16,2f\n\t" \ + " j 1b\n\t" \ + /* Setup to check for ch > 0x7f. (v30, v31) */ \ + "9: .short 0x7f,0x7f,0x0,0x0,0x0,0x0,0x0,0x0\n\t" \ + " .short 0x2000,0x2000,0x0,0x0,0x0,0x0,0x0,0x0\n\t" \ + /* At least one byte is > 0x7f. \ + Store the preceding 1-byte chars. */ \ + "11: lghi %[R_TMP2],16\n\t" /* match was found in v17. */ \ + "10:\n\t" \ + " vlgvb %[R_TMP],%%v19,7\n\t" \ + /* Shorten to UTF-8. */ \ + " vpkh %%v18,%%v16,%%v17\n\t" \ + " ar %[R_TMP],%[R_TMP2]\n\t" /* Number of in bytes. */ \ + " srlg %[R_TMP3],%[R_TMP],1\n\t" /* Number of out bytes. */ \ + " ahik %[R_TMP2],%[R_TMP3],-1\n\t" /* Highest index to store. */ \ + " jl 13f\n\t" \ + " vstl %%v18,%[R_TMP2],0(%[R_OUT])\n\t" \ + /* Update pointers. */ \ + " la %[R_IN],0(%[R_TMP],%[R_IN])\n\t" \ + " slgr %[R_INLEN],%[R_TMP]\n\t" \ + " la %[R_OUT],0(%[R_TMP3],%[R_OUT])\n\t" \ + " slgr %[R_OUTLEN],%[R_TMP3]\n\t" \ + "13: \n\t" \ + /* Calculate remaining uint16_t values in loaded vrs. */ \ + " lghi %[R_TMP2],16\n\t" \ + " slgr %[R_TMP2],%[R_TMP3]\n\t" \ + " llh %[R_TMP],0(%[R_IN])\n\t" \ + " aghi %[R_INLEN],-2\n\t" \ + " j 22f\n\t" \ + /* Handle remaining bytes. */ \ + "2: \n\t" \ + /* Zero, one or more bytes available? */ \ + " clgfi %[R_INLEN],1\n\t" \ + " locghie %[R_RES],%[RES_IN_FULL]\n\t" /* Only one byte. */ \ + " jle 99f\n\t" /* End if less than two bytes. */ \ + /* Calculate remaining uint16_t values in inptr. */ \ + " srlg %[R_TMP2],%[R_INLEN],1\n\t" \ + /* Handle multibyte utf8-char. */ \ + "20: llh %[R_TMP],0(%[R_IN])\n\t" \ + " aghi %[R_INLEN],-2\n\t" \ + /* Test if ch is 1-byte UTF-8 char. */ \ + "21: clijh %[R_TMP],0x7f,22f\n\t" \ + /* Handle 1-byte UTF-8 char. */ \ + "31: slgfi %[R_OUTLEN],1\n\t" \ + " jl 90f \n\t" \ + " stc %[R_TMP],0(%[R_OUT])\n\t" \ + " la %[R_IN],2(%[R_IN])\n\t" \ + " la %[R_OUT],1(%[R_OUT])\n\t" \ + " brctg %[R_TMP2],20b\n\t" \ + " j 0b\n\t" /* Switch to vx-loop. */ \ + /* Test if ch is 2-byte UTF-8 char. */ \ + "22: clfi %[R_TMP],0x7ff\n\t" \ + " jh 23f\n\t" \ + /* Handle 2-byte UTF-8 char. */ \ + "32: slgfi %[R_OUTLEN],2\n\t" \ + " jl 90f \n\t" \ + " llill %[R_TMP3],0xc080\n\t" \ + " la %[R_IN],2(%[R_IN])\n\t" \ + " risbgn %[R_TMP3],%[R_TMP],51,55,2\n\t" /* 1. byte. */ \ + " risbgn %[R_TMP3],%[R_TMP],58,63,0\n\t" /* 2. byte. */ \ + " sth %[R_TMP3],0(%[R_OUT])\n\t" \ + " la %[R_OUT],2(%[R_OUT])\n\t" \ + " brctg %[R_TMP2],20b\n\t" \ + " j 0b\n\t" /* Switch to vx-loop. */ \ + /* Test if ch is 3-byte UTF-8 char. */ \ + "23: clfi %[R_TMP],0xd7ff\n\t" \ + " jh 24f\n\t" \ + /* Handle 3-byte UTF-8 char. */ \ + "33: slgfi %[R_OUTLEN],3\n\t" \ + " jl 90f \n\t" \ + " llilf %[R_TMP3],0xe08080\n\t" \ + " la %[R_IN],2(%[R_IN])\n\t" \ + " risbgn %[R_TMP3],%[R_TMP],44,47,4\n\t" /* 1. byte. */ \ + " risbgn %[R_TMP3],%[R_TMP],50,55,2\n\t" /* 2. byte. */ \ + " risbgn %[R_TMP3],%[R_TMP],58,63,0\n\t" /* 3. byte. */ \ + " stcm %[R_TMP3],7,0(%[R_OUT])\n\t" \ + " la %[R_OUT],3(%[R_OUT])\n\t" \ + " brctg %[R_TMP2],20b\n\t" \ + " j 0b\n\t" /* Switch to vx-loop. */ \ + /* Test if ch is 4-byte UTF-8 char. */ \ + "24: clfi %[R_TMP],0xdfff\n\t" \ + " jh 33b\n\t" /* Handle this 3-byte UTF-8 char. */ \ + " clfi %[R_TMP],0xdbff\n\t" \ + " locghih %[R_RES],%[RES_IN_ILL]\n\t" \ + " jh 99f\n\t" /* Jump away if this is a low surrogate \ + without a preceding high surrogate. */ \ + /* Handle 4-byte UTF-8 char. */ \ + "34: slgfi %[R_OUTLEN],4\n\t" \ + " jl 90f \n\t" \ + " slgfi %[R_INLEN],2\n\t" \ + " locghil %[R_RES],%[RES_IN_FULL]\n\t" \ + " jl 99f\n\t" /* Jump away if low surrogate is missing. */ \ + " llilf %[R_TMP3],0xf0808080\n\t" \ + " aghi %[R_TMP],0x40\n\t" \ + " risbgn %[R_TMP3],%[R_TMP],37,39,16\n\t" /* 1. byte: uvw */ \ + " risbgn %[R_TMP3],%[R_TMP],42,43,14\n\t" /* 2. byte: xy */ \ + " risbgn %[R_TMP3],%[R_TMP],44,47,14\n\t" /* 2. byte: efgh */ \ + " risbgn %[R_TMP3],%[R_TMP],50,51,12\n\t" /* 3. byte: ij */ \ + " llh %[R_TMP],2(%[R_IN])\n\t" /* Load low surrogate. */ \ + " risbgn %[R_TMP3],%[R_TMP],52,55,2\n\t" /* 3. byte: klmn */ \ + " risbgn %[R_TMP3],%[R_TMP],58,63,0\n\t" /* 4. byte: opqrst */ \ + " nilf %[R_TMP],0xfc00\n\t" \ + " clfi %[R_TMP],0xdc00\n\t" /* Check if it starts with 0xdc00. */ \ + " locghine %[R_RES],%[RES_IN_ILL]\n\t" \ + " jne 99f\n\t" /* Jump away if low surrogate is invalid. */ \ + " st %[R_TMP3],0(%[R_OUT])\n\t" \ + " la %[R_IN],4(%[R_IN])\n\t" \ + " la %[R_OUT],4(%[R_OUT])\n\t" \ + " aghi %[R_TMP2],-2\n\t" \ + " jh 20b\n\t" \ + " j 0b\n\t" /* Switch to vx-loop. */ \ + /* Exit with __GCONV_FULL_OUTPUT. */ \ + "90: lghi %[R_RES],%[RES_OUT_FULL]\n\t" \ + "99: \n\t" \ + ".machine pop" \ + : /* outputs */ [R_IN] "+a" (inptr) \ + , [R_INLEN] "+d" (inlen), [R_OUT] "+a" (outptr) \ + , [R_OUTLEN] "+d" (outlen), [R_TMP] "=a" (tmp) \ + , [R_TMP2] "=d" (tmp2), [R_TMP3] "=a" (tmp3) \ + , [R_RES] "+d" (result) \ + : /* inputs */ \ + [RES_OUT_FULL] "i" (__GCONV_FULL_OUTPUT) \ + , [RES_IN_ILL] "i" (__GCONV_ILLEGAL_INPUT) \ + , [RES_IN_FULL] "i" (__GCONV_INCOMPLETE_INPUT) \ + : /* clobber list */ "memory", "cc" \ + ASM_CLOBBER_VR ("v16") ASM_CLOBBER_VR ("v17") \ + ASM_CLOBBER_VR ("v18") ASM_CLOBBER_VR ("v19") \ + ASM_CLOBBER_VR ("v30") ASM_CLOBBER_VR ("v31") \ + ); \ + if (__glibc_likely (inptr == inend) \ + || result != __GCONV_ILLEGAL_INPUT) \ + break; \ + \ + STANDARD_TO_LOOP_ERR_HANDLER (2); \ + } + +/* Generate loop-function with software implementation. */ +#define MIN_NEEDED_INPUT MIN_NEEDED_TO +#define MAX_NEEDED_INPUT MAX_NEEDED_TO +#define MIN_NEEDED_OUTPUT MIN_NEEDED_FROM +#define MAX_NEEDED_OUTPUT MAX_NEEDED_FROM +#if defined HAVE_S390_VX_ASM_SUPPORT +# define LOOPFCT __to_utf8_loop_c +# define BODY BODY_TO_C +# define LOOP_NEED_FLAGS +# include <iconv/loop.c> + +/* Generate loop-function with software implementation. */ +# define MIN_NEEDED_INPUT MIN_NEEDED_TO +# define MAX_NEEDED_INPUT MAX_NEEDED_TO +# define MIN_NEEDED_OUTPUT MIN_NEEDED_FROM +# define MAX_NEEDED_OUTPUT MAX_NEEDED_FROM +# define LOOPFCT __to_utf8_loop_vx +# define BODY BODY_TO_VX +# define LOOP_NEED_FLAGS +# include <iconv/loop.c> + +/* Generate ifunc'ed loop function. */ +__typeof(__to_utf8_loop_c) +__attribute__ ((ifunc ("__to_utf8_loop_resolver"))) +__to_utf8_loop; + +static void * +__to_utf8_loop_resolver (unsigned long int dl_hwcap) +{ + if (dl_hwcap & HWCAP_S390_VX) + return __to_utf8_loop_vx; + else + return __to_utf8_loop_c; +} + +strong_alias (__to_utf8_loop_c_single, __to_utf8_loop_single) + +#else +# define LOOPFCT TO_LOOP +# define BODY BODY_TO_C +# define LOOP_NEED_FLAGS +# include <iconv/loop.c> +#endif /* !HAVE_S390_VX_ASM_SUPPORT */ + +#include <iconv/skeleton.c> Index: glibc-2.22/sysdeps/s390/utf8-utf32-z9.c =================================================================== --- /dev/null +++ glibc-2.22/sysdeps/s390/utf8-utf32-z9.c @@ -0,0 +1,820 @@ +/* Conversion between UTF-8 and UTF-32 BE/internal. + + This module uses the Z9-109 variants of the Convert Unicode + instructions. + Copyright (C) 1997-2015 Free Software Foundation, Inc. + + Author: Andreas Krebbel <Andreas.Krebbel@de.ibm.com> + Based on the work by Ulrich Drepper <drepper@cygnus.com>, 1997. + + Thanks to Daniel Appich who covered the relevant performance work + in his diploma thesis. + + This is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <dlfcn.h> +#include <stdint.h> +#include <unistd.h> +#include <dl-procinfo.h> +#include <gconv.h> + +#if defined HAVE_S390_VX_GCC_SUPPORT +# define ASM_CLOBBER_VR(NR) , NR +#else +# define ASM_CLOBBER_VR(NR) +#endif + +#if defined __s390x__ +# define CONVERT_32BIT_SIZE_T(REG) +#else +# define CONVERT_32BIT_SIZE_T(REG) "llgfr %" #REG ",%" #REG "\n\t" +#endif + +/* Defines for skeleton.c. */ +#define DEFINE_INIT 0 +#define DEFINE_FINI 0 +#define MIN_NEEDED_FROM 1 +#define MAX_NEEDED_FROM 6 +#define MIN_NEEDED_TO 4 +#define FROM_LOOP __from_utf8_loop +#define TO_LOOP __to_utf8_loop +#define FROM_DIRECTION (dir == from_utf8) +#define ONE_DIRECTION 0 + +/* UTF-32 big endian byte order mark. */ +#define BOM 0x0000feffu + +/* Direction of the transformation. */ +enum direction +{ + illegal_dir, + to_utf8, + from_utf8 +}; + +struct utf8_data +{ + enum direction dir; + int emit_bom; +}; + + +extern int gconv_init (struct __gconv_step *step); +int +gconv_init (struct __gconv_step *step) +{ + /* Determine which direction. */ + struct utf8_data *new_data; + enum direction dir = illegal_dir; + int emit_bom; + int result; + + emit_bom = (__strcasecmp (step->__to_name, "UTF-32//") == 0); + + if (__strcasecmp (step->__from_name, "ISO-10646/UTF8/") == 0 + && (__strcasecmp (step->__to_name, "UTF-32//") == 0 + || __strcasecmp (step->__to_name, "UTF-32BE//") == 0 + || __strcasecmp (step->__to_name, "INTERNAL") == 0)) + { + dir = from_utf8; + } + else if (__strcasecmp (step->__to_name, "ISO-10646/UTF8/") == 0 + && (__strcasecmp (step->__from_name, "UTF-32BE//") == 0 + || __strcasecmp (step->__from_name, "INTERNAL") == 0)) + { + dir = to_utf8; + } + + result = __GCONV_NOCONV; + if (dir != illegal_dir) + { + new_data = (struct utf8_data *) malloc (sizeof (struct utf8_data)); + + result = __GCONV_NOMEM; + if (new_data != NULL) + { + new_data->dir = dir; + new_data->emit_bom = emit_bom; + step->__data = new_data; + + if (dir == from_utf8) + { + step->__min_needed_from = MIN_NEEDED_FROM; + step->__max_needed_from = MIN_NEEDED_FROM; + step->__min_needed_to = MIN_NEEDED_TO; + step->__max_needed_to = MIN_NEEDED_TO; + } + else + { + step->__min_needed_from = MIN_NEEDED_TO; + step->__max_needed_from = MIN_NEEDED_TO; + step->__min_needed_to = MIN_NEEDED_FROM; + step->__max_needed_to = MIN_NEEDED_FROM; + } + + step->__stateful = 0; + + result = __GCONV_OK; + } + } + + return result; +} + + +extern void gconv_end (struct __gconv_step *data); +void +gconv_end (struct __gconv_step *data) +{ + free (data->__data); +} + +/* The macro for the hardware loop. This is used for both + directions. */ +#define HARDWARE_CONVERT(INSTRUCTION) \ + { \ + register const unsigned char* pInput asm ("8") = inptr; \ + register size_t inlen __asm__ ("9") = inend - inptr; \ + register unsigned char* pOutput asm ("10") = outptr; \ + register size_t outlen __asm__("11") = outend - outptr; \ + unsigned long cc = 0; \ + \ + __asm__ __volatile__ (".machine push \n\t" \ + ".machine \"z9-109\" \n\t" \ + ".machinemode \"zarch_nohighgprs\"\n\t" \ + "0: " INSTRUCTION " \n\t" \ + ".machine pop \n\t" \ + " jo 0b \n\t" \ + " ipm %2 \n" \ + : "+a" (pOutput), "+a" (pInput), "+d" (cc), \ + "+d" (outlen), "+d" (inlen) \ + : \ + : "cc", "memory"); \ + \ + inptr = pInput; \ + outptr = pOutput; \ + cc >>= 28; \ + \ + if (cc == 1) \ + { \ + result = __GCONV_FULL_OUTPUT; \ + } \ + else if (cc == 2) \ + { \ + result = __GCONV_ILLEGAL_INPUT; \ + } \ + } + +#define PREPARE_LOOP \ + enum direction dir = ((struct utf8_data *) step->__data)->dir; \ + int emit_bom = ((struct utf8_data *) step->__data)->emit_bom; \ + \ + if (emit_bom && !data->__internal_use \ + && data->__invocation_counter == 0) \ + { \ + /* Emit the Byte Order Mark. */ \ + if (__glibc_unlikely (outbuf + 4 > outend)) \ + return __GCONV_FULL_OUTPUT; \ + \ + put32u (outbuf, BOM); \ + outbuf += 4; \ + } + +/* Conversion function from UTF-8 to UTF-32 internal/BE. */ + +#define STORE_REST_COMMON \ + { \ + /* We store the remaining bytes while converting them into the UCS4 \ + format. We can assume that the first byte in the buffer is \ + correct and that it requires a larger number of bytes than there \ + are in the input buffer. */ \ + wint_t ch = **inptrp; \ + size_t cnt, r; \ + \ + state->__count = inend - *inptrp; \ + \ + assert (ch != 0xc0 && ch != 0xc1); \ + if (ch >= 0xc2 && ch < 0xe0) \ + { \ + /* We expect two bytes. The first byte cannot be 0xc0 or \ + 0xc1, otherwise the wide character could have been \ + represented using a single byte. */ \ + cnt = 2; \ + ch &= 0x1f; \ + } \ + else if (__glibc_likely ((ch & 0xf0) == 0xe0)) \ + { \ + /* We expect three bytes. */ \ + cnt = 3; \ + ch &= 0x0f; \ + } \ + else if (__glibc_likely ((ch & 0xf8) == 0xf0)) \ + { \ + /* We expect four bytes. */ \ + cnt = 4; \ + ch &= 0x07; \ + } \ + else if (__glibc_likely ((ch & 0xfc) == 0xf8)) \ + { \ + /* We expect five bytes. */ \ + cnt = 5; \ + ch &= 0x03; \ + } \ + else \ + { \ + /* We expect six bytes. */ \ + cnt = 6; \ + ch &= 0x01; \ + } \ + \ + /* The first byte is already consumed. */ \ + r = cnt - 1; \ + while (++(*inptrp) < inend) \ + { \ + ch <<= 6; \ + ch |= **inptrp & 0x3f; \ + --r; \ + } \ + \ + /* Shift for the so far missing bytes. */ \ + ch <<= r * 6; \ + \ + /* Store the number of bytes expected for the entire sequence. */ \ + state->__count |= cnt << 8; \ + \ + /* Store the value. */ \ + state->__value.__wch = ch; \ + } + +#define UNPACK_BYTES_COMMON \ + { \ + static const unsigned char inmask[5] = { 0xc0, 0xe0, 0xf0, 0xf8, 0xfc }; \ + wint_t wch = state->__value.__wch; \ + size_t ntotal = state->__count >> 8; \ + \ + inlen = state->__count & 255; \ + \ + bytebuf[0] = inmask[ntotal - 2]; \ + \ + do \ + { \ + if (--ntotal < inlen) \ + bytebuf[ntotal] = 0x80 | (wch & 0x3f); \ + wch >>= 6; \ + } \ + while (ntotal > 1); \ + \ + bytebuf[0] |= wch; \ + } + +#define CLEAR_STATE_COMMON \ + state->__count = 0 + +#define BODY_FROM_HW(ASM) \ + { \ + ASM; \ + if (__glibc_likely (inptr == inend) \ + || result == __GCONV_FULL_OUTPUT) \ + break; \ + \ + int i; \ + for (i = 1; inptr + i < inend && i < 5; ++i) \ + if ((inptr[i] & 0xc0) != 0x80) \ + break; \ + \ + if (__glibc_likely (inptr + i == inend \ + && result == __GCONV_EMPTY_INPUT)) \ + { \ + result = __GCONV_INCOMPLETE_INPUT; \ + break; \ + } \ + STANDARD_FROM_LOOP_ERR_HANDLER (i); \ + } + +/* This hardware routine uses the Convert UTF8 to UTF32 (cu14) instruction. */ +#define BODY_FROM_ETF3EH BODY_FROM_HW (HARDWARE_CONVERT ("cu14 %0, %1, 1")) + + +/* The software routine is copied from gconv_simple.c. */ +#define BODY_FROM_C \ + { \ + /* Next input byte. */ \ + uint32_t ch = *inptr; \ + \ + if (__glibc_likely (ch < 0x80)) \ + { \ + /* One byte sequence. */ \ + ++inptr; \ + } \ + else \ + { \ + uint_fast32_t cnt; \ + uint_fast32_t i; \ + \ + if (ch >= 0xc2 && ch < 0xe0) \ + { \ + /* We expect two bytes. The first byte cannot be 0xc0 or \ + 0xc1, otherwise the wide character could have been \ + represented using a single byte. */ \ + cnt = 2; \ + ch &= 0x1f; \ + } \ + else if (__glibc_likely ((ch & 0xf0) == 0xe0)) \ + { \ + /* We expect three bytes. */ \ + cnt = 3; \ + ch &= 0x0f; \ + } \ + else if (__glibc_likely ((ch & 0xf8) == 0xf0)) \ + { \ + /* We expect four bytes. */ \ + cnt = 4; \ + ch &= 0x07; \ + } \ + else \ + { \ + /* Search the end of this ill-formed UTF-8 character. This \ + is the next byte with (x & 0xc0) != 0x80. */ \ + i = 0; \ + do \ + ++i; \ + while (inptr + i < inend \ + && (*(inptr + i) & 0xc0) == 0x80 \ + && i < 5); \ + \ + errout: \ + STANDARD_FROM_LOOP_ERR_HANDLER (i); \ + } \ + \ + if (__glibc_unlikely (inptr + cnt > inend)) \ + { \ + /* We don't have enough input. But before we report \ + that check that all the bytes are correct. */ \ + for (i = 1; inptr + i < inend; ++i) \ + if ((inptr[i] & 0xc0) != 0x80) \ + break; \ + \ + if (__glibc_likely (inptr + i == inend)) \ + { \ + result = __GCONV_INCOMPLETE_INPUT; \ + break; \ + } \ + \ + goto errout; \ + } \ + \ + /* Read the possible remaining bytes. */ \ + for (i = 1; i < cnt; ++i) \ + { \ + uint32_t byte = inptr[i]; \ + \ + if ((byte & 0xc0) != 0x80) \ + /* This is an illegal encoding. */ \ + break; \ + \ + ch <<= 6; \ + ch |= byte & 0x3f; \ + } \ + \ + /* If i < cnt, some trail byte was not >= 0x80, < 0xc0. \ + If cnt > 2 and ch < 2^(5*cnt-4), the wide character ch could \ + have been represented with fewer than cnt bytes. */ \ + if (i < cnt || (cnt > 2 && (ch >> (5 * cnt - 4)) == 0) \ + /* Do not accept UTF-16 surrogates. */ \ + || (ch >= 0xd800 && ch <= 0xdfff) \ + || (ch > 0x10ffff)) \ + { \ + /* This is an illegal encoding. */ \ + goto errout; \ + } \ + \ + inptr += cnt; \ + } \ + \ + /* Now adjust the pointers and store the result. */ \ + *((uint32_t *) outptr) = ch; \ + outptr += sizeof (uint32_t); \ + } + +#define HW_FROM_VX \ + { \ + register const unsigned char* pInput asm ("8") = inptr; \ + register size_t inlen asm ("9") = inend - inptr; \ + register unsigned char* pOutput asm ("10") = outptr; \ + register size_t outlen asm("11") = outend - outptr; \ + unsigned long tmp, tmp2, tmp3; \ + asm volatile (".machine push\n\t" \ + ".machine \"z13\"\n\t" \ + ".machinemode \"zarch_nohighgprs\"\n\t" \ + " vrepib %%v30,0x7f\n\t" /* For compare > 0x7f. */ \ + " vrepib %%v31,0x20\n\t" \ + CONVERT_32BIT_SIZE_T ([R_INLEN]) \ + CONVERT_32BIT_SIZE_T ([R_OUTLEN]) \ + /* Loop which handles UTF-8 chars <=0x7f. */ \ + "0: clgijl %[R_INLEN],16,20f\n\t" \ + " clgijl %[R_OUTLEN],64,20f\n\t" \ + "1: vl %%v16,0(%[R_IN])\n\t" \ + " vstrcbs %%v17,%%v16,%%v30,%%v31\n\t" \ + " jno 10f\n\t" /* Jump away if not all bytes are 1byte \ + UTF8 chars. */ \ + /* Enlarge to UCS4. */ \ + " vuplhb %%v18,%%v16\n\t" \ + " vupllb %%v19,%%v16\n\t" \ + " la %[R_IN],16(%[R_IN])\n\t" \ + " vuplhh %%v20,%%v18\n\t" \ + " aghi %[R_INLEN],-16\n\t" \ + " vupllh %%v21,%%v18\n\t" \ + " aghi %[R_OUTLEN],-64\n\t" \ + " vuplhh %%v22,%%v19\n\t" \ + " vupllh %%v23,%%v19\n\t" \ + /* Store 64 bytes to buf_out. */ \ + " vstm %%v20,%%v23,0(%[R_OUT])\n\t" \ + " la %[R_OUT],64(%[R_OUT])\n\t" \ + " clgijl %[R_INLEN],16,20f\n\t" \ + " clgijl %[R_OUTLEN],64,20f\n\t" \ + " j 1b\n\t" \ + "10: \n\t" \ + /* At least one byte is > 0x7f. \ + Store the preceding 1-byte chars. */ \ + " vlgvb %[R_TMP],%%v17,7\n\t" \ + " sllk %[R_TMP2],%[R_TMP],2\n\t" /* Compute highest \ + index to store. */ \ + " llgfr %[R_TMP3],%[R_TMP2]\n\t" \ + " ahi %[R_TMP2],-1\n\t" \ + " jl 20f\n\t" \ + " vuplhb %%v18,%%v16\n\t" \ + " vuplhh %%v20,%%v18\n\t" \ + " vstl %%v20,%[R_TMP2],0(%[R_OUT])\n\t" \ + " ahi %[R_TMP2],-16\n\t" \ + " jl 11f\n\t" \ + " vupllh %%v21,%%v18\n\t" \ + " vstl %%v21,%[R_TMP2],16(%[R_OUT])\n\t" \ + " ahi %[R_TMP2],-16\n\t" \ + " jl 11f\n\t" \ + " vupllb %%v19,%%v16\n\t" \ + " vuplhh %%v22,%%v19\n\t" \ + " vstl %%v22,%[R_TMP2],32(%[R_OUT])\n\t" \ + " ahi %[R_TMP2],-16\n\t" \ + " jl 11f\n\t" \ + " vupllh %%v23,%%v19\n\t" \ + " vstl %%v23,%[R_TMP2],48(%[R_OUT])\n\t" \ + "11: \n\t" \ + /* Update pointers. */ \ + " la %[R_IN],0(%[R_TMP],%[R_IN])\n\t" \ + " slgr %[R_INLEN],%[R_TMP]\n\t" \ + " la %[R_OUT],0(%[R_TMP3],%[R_OUT])\n\t" \ + " slgr %[R_OUTLEN],%[R_TMP3]\n\t" \ + /* Handle multibyte utf8-char with convert instruction. */ \ + "20: cu14 %[R_OUT],%[R_IN],1\n\t" \ + " jo 0b\n\t" /* Try vector implemenation again. */ \ + " lochil %[R_RES],%[RES_OUT_FULL]\n\t" /* cc == 1. */ \ + " lochih %[R_RES],%[RES_IN_ILL]\n\t" /* cc == 2. */ \ + ".machine pop" \ + : /* outputs */ [R_IN] "+a" (pInput) \ + , [R_INLEN] "+d" (inlen), [R_OUT] "+a" (pOutput) \ + , [R_OUTLEN] "+d" (outlen), [R_TMP] "=a" (tmp) \ + , [R_TMP2] "=d" (tmp2), [R_TMP3] "=a" (tmp3) \ + , [R_RES] "+d" (result) \ + : /* inputs */ \ + [RES_OUT_FULL] "i" (__GCONV_FULL_OUTPUT) \ + , [RES_IN_ILL] "i" (__GCONV_ILLEGAL_INPUT) \ + : /* clobber list */ "memory", "cc" \ + ASM_CLOBBER_VR ("v16") ASM_CLOBBER_VR ("v17") \ + ASM_CLOBBER_VR ("v18") ASM_CLOBBER_VR ("v19") \ + ASM_CLOBBER_VR ("v20") ASM_CLOBBER_VR ("v21") \ + ASM_CLOBBER_VR ("v22") ASM_CLOBBER_VR ("v30") \ + ASM_CLOBBER_VR ("v31") \ + ); \ + inptr = pInput; \ + outptr = pOutput; \ + } +#define BODY_FROM_VX BODY_FROM_HW (HW_FROM_VX) + +/* These definitions apply to the UTF-8 to UTF-32 direction. The + software implementation for UTF-8 still supports multibyte + characters up to 6 bytes whereas the hardware variant does not. */ +#define MIN_NEEDED_INPUT MIN_NEEDED_FROM +#define MAX_NEEDED_INPUT MAX_NEEDED_FROM +#define MIN_NEEDED_OUTPUT MIN_NEEDED_TO +#define LOOPFCT __from_utf8_loop_c + +#define LOOP_NEED_FLAGS + +#define STORE_REST STORE_REST_COMMON +#define UNPACK_BYTES UNPACK_BYTES_COMMON +#define CLEAR_STATE CLEAR_STATE_COMMON +#define BODY BODY_FROM_C +#include <iconv/loop.c> + + +/* Generate loop-function with hardware utf-convert instruction. */ +#define MIN_NEEDED_INPUT MIN_NEEDED_FROM +#define MAX_NEEDED_INPUT MAX_NEEDED_FROM +#define MIN_NEEDED_OUTPUT MIN_NEEDED_TO +#define LOOPFCT __from_utf8_loop_etf3eh + +#define LOOP_NEED_FLAGS + +#define STORE_REST STORE_REST_COMMON +#define UNPACK_BYTES UNPACK_BYTES_COMMON +#define CLEAR_STATE CLEAR_STATE_COMMON +#define BODY BODY_FROM_ETF3EH +#include <iconv/loop.c> + +#if defined HAVE_S390_VX_ASM_SUPPORT +/* Generate loop-function with hardware vector instructions. */ +# define MIN_NEEDED_INPUT MIN_NEEDED_FROM +# define MAX_NEEDED_INPUT MAX_NEEDED_FROM +# define MIN_NEEDED_OUTPUT MIN_NEEDED_TO +# define LOOPFCT __from_utf8_loop_vx + +# define LOOP_NEED_FLAGS + +# define STORE_REST STORE_REST_COMMON +# define UNPACK_BYTES UNPACK_BYTES_COMMON +# define CLEAR_STATE CLEAR_STATE_COMMON +# define BODY BODY_FROM_VX +# include <iconv/loop.c> +#endif + + +/* Generate ifunc'ed loop function. */ +__typeof(__from_utf8_loop_c) +__attribute__ ((ifunc ("__from_utf8_loop_resolver"))) +__from_utf8_loop; + +static void * +__from_utf8_loop_resolver (unsigned long int dl_hwcap) +{ +#if defined HAVE_S390_VX_ASM_SUPPORT + if (dl_hwcap & HWCAP_S390_VX) + return __from_utf8_loop_vx; + else +#endif + if (dl_hwcap & HWCAP_S390_ZARCH && dl_hwcap & HWCAP_S390_HIGH_GPRS + && dl_hwcap & HWCAP_S390_ETF3EH) + return __from_utf8_loop_etf3eh; + else + return __from_utf8_loop_c; +} + +strong_alias (__from_utf8_loop_c_single, __from_utf8_loop_single) + + +/* Conversion from UTF-32 internal/BE to UTF-8. */ +#define BODY_TO_HW(ASM) \ + { \ + ASM; \ + if (__glibc_likely (inptr == inend) \ + || result == __GCONV_FULL_OUTPUT) \ + break; \ + if (inptr + 4 > inend) \ + { \ + result = __GCONV_INCOMPLETE_INPUT; \ + break; \ + } \ + STANDARD_TO_LOOP_ERR_HANDLER (4); \ + } + +/* The hardware routine uses the S/390 cu41 instruction. */ +#define BODY_TO_ETF3EH BODY_TO_HW (HARDWARE_CONVERT ("cu41 %0, %1")) + +/* The hardware routine uses the S/390 vector and cu41 instructions. */ +#define BODY_TO_VX BODY_TO_HW (HW_TO_VX) + +/* The software routine mimics the S/390 cu41 instruction. */ +#define BODY_TO_C \ + { \ + uint32_t wc = *((const uint32_t *) inptr); \ + \ + if (__glibc_likely (wc <= 0x7f)) \ + { \ + /* Single UTF-8 char. */ \ + *outptr = (uint8_t)wc; \ + outptr++; \ + } \ + else if (wc <= 0x7ff) \ + { \ + /* Two UTF-8 chars. */ \ + if (__glibc_unlikely (outptr + 2 > outend)) \ + { \ + /* Overflow in the output buffer. */ \ + result = __GCONV_FULL_OUTPUT; \ + break; \ + } \ + \ + outptr[0] = 0xc0; \ + outptr[0] |= wc >> 6; \ + \ + outptr[1] = 0x80; \ + outptr[1] |= wc & 0x3f; \ + \ + outptr += 2; \ + } \ + else if (wc <= 0xffff) \ + { \ + /* Three UTF-8 chars. */ \ + if (__glibc_unlikely (outptr + 3 > outend)) \ + { \ + /* Overflow in the output buffer. */ \ + result = __GCONV_FULL_OUTPUT; \ + break; \ + } \ + if (wc >= 0xd800 && wc < 0xdc00) \ + { \ + /* Do not accept UTF-16 surrogates. */ \ + result = __GCONV_ILLEGAL_INPUT; \ + STANDARD_TO_LOOP_ERR_HANDLER (4); \ + } \ + outptr[0] = 0xe0; \ + outptr[0] |= wc >> 12; \ + \ + outptr[1] = 0x80; \ + outptr[1] |= (wc >> 6) & 0x3f; \ + \ + outptr[2] = 0x80; \ + outptr[2] |= wc & 0x3f; \ + \ + outptr += 3; \ + } \ + else if (wc <= 0x10ffff) \ + { \ + /* Four UTF-8 chars. */ \ + if (__glibc_unlikely (outptr + 4 > outend)) \ + { \ + /* Overflow in the output buffer. */ \ + result = __GCONV_FULL_OUTPUT; \ + break; \ + } \ + outptr[0] = 0xf0; \ + outptr[0] |= wc >> 18; \ + \ + outptr[1] = 0x80; \ + outptr[1] |= (wc >> 12) & 0x3f; \ + \ + outptr[2] = 0x80; \ + outptr[2] |= (wc >> 6) & 0x3f; \ + \ + outptr[3] = 0x80; \ + outptr[3] |= wc & 0x3f; \ + \ + outptr += 4; \ + } \ + else \ + { \ + STANDARD_TO_LOOP_ERR_HANDLER (4); \ + } \ + inptr += 4; \ + } + +#define HW_TO_VX \ + { \ + register const unsigned char* pInput asm ("8") = inptr; \ + register size_t inlen asm ("9") = inend - inptr; \ + register unsigned char* pOutput asm ("10") = outptr; \ + register size_t outlen asm("11") = outend - outptr; \ + unsigned long tmp, tmp2; \ + asm volatile (".machine push\n\t" \ + ".machine \"z13\"\n\t" \ + ".machinemode \"zarch_nohighgprs\"\n\t" \ + " vleif %%v20,127,0\n\t" /* element 0: 127 */ \ + " vzero %%v21\n\t" \ + " vleih %%v21,8192,0\n\t" /* element 0: > */ \ + " vleih %%v21,-8192,2\n\t" /* element 1: =<> */ \ + CONVERT_32BIT_SIZE_T ([R_INLEN]) \ + CONVERT_32BIT_SIZE_T ([R_OUTLEN]) \ + /* Loop which handles UTF-32 chars <=0x7f. */ \ + "0: clgijl %[R_INLEN],64,20f\n\t" \ + " clgijl %[R_OUTLEN],16,20f\n\t" \ + "1: vlm %%v16,%%v19,0(%[R_IN])\n\t" \ + " lghi %[R_TMP],0\n\t" \ + /* Shorten to byte values. */ \ + " vpkf %%v23,%%v16,%%v17\n\t" \ + " vpkf %%v24,%%v18,%%v19\n\t" \ + " vpkh %%v23,%%v23,%%v24\n\t" \ + /* Checking for values > 0x7f. */ \ + " vstrcfs %%v22,%%v16,%%v20,%%v21\n\t" \ + " jno 10f\n\t" \ + " vstrcfs %%v22,%%v17,%%v20,%%v21\n\t" \ + " jno 11f\n\t" \ + " vstrcfs %%v22,%%v18,%%v20,%%v21\n\t" \ + " jno 12f\n\t" \ + " vstrcfs %%v22,%%v19,%%v20,%%v21\n\t" \ + " jno 13f\n\t" \ + /* Store 16bytes to outptr. */ \ + " vst %%v23,0(%[R_OUT])\n\t" \ + " aghi %[R_INLEN],-64\n\t" \ + " aghi %[R_OUTLEN],-16\n\t" \ + " la %[R_IN],64(%[R_IN])\n\t" \ + " la %[R_OUT],16(%[R_OUT])\n\t" \ + " clgijl %[R_INLEN],64,20f\n\t" \ + " clgijl %[R_OUTLEN],16,20f\n\t" \ + " j 1b\n\t" \ + /* Found a value > 0x7f. */ \ + "13: ahi %[R_TMP],4\n\t" \ + "12: ahi %[R_TMP],4\n\t" \ + "11: ahi %[R_TMP],4\n\t" \ + "10: vlgvb %[R_I],%%v22,7\n\t" \ + " srlg %[R_I],%[R_I],2\n\t" \ + " agr %[R_I],%[R_TMP]\n\t" \ + " je 20f\n\t" \ + /* Store characters before invalid one... */ \ + " slgr %[R_OUTLEN],%[R_I]\n\t" \ + "15: aghi %[R_I],-1\n\t" \ + " vstl %%v23,%[R_I],0(%[R_OUT])\n\t" \ + /* ... and update pointers. */ \ + " aghi %[R_I],1\n\t" \ + " la %[R_OUT],0(%[R_I],%[R_OUT])\n\t" \ + " sllg %[R_I],%[R_I],2\n\t" \ + " la %[R_IN],0(%[R_I],%[R_IN])\n\t" \ + " slgr %[R_INLEN],%[R_I]\n\t" \ + /* Handle multibyte utf8-char with convert instruction. */ \ + "20: cu41 %[R_OUT],%[R_IN]\n\t" \ + " jo 0b\n\t" /* Try vector implemenation again. */ \ + " lochil %[R_RES],%[RES_OUT_FULL]\n\t" /* cc == 1. */ \ + " lochih %[R_RES],%[RES_IN_ILL]\n\t" /* cc == 2. */ \ + ".machine pop" \ + : /* outputs */ [R_IN] "+a" (pInput) \ + , [R_INLEN] "+d" (inlen), [R_OUT] "+a" (pOutput) \ + , [R_OUTLEN] "+d" (outlen), [R_TMP] "=d" (tmp) \ + , [R_I] "=a" (tmp2) \ + , [R_RES] "+d" (result) \ + : /* inputs */ \ + [RES_OUT_FULL] "i" (__GCONV_FULL_OUTPUT) \ + , [RES_IN_ILL] "i" (__GCONV_ILLEGAL_INPUT) \ + : /* clobber list */ "memory", "cc" \ + ASM_CLOBBER_VR ("v16") ASM_CLOBBER_VR ("v17") \ + ASM_CLOBBER_VR ("v18") ASM_CLOBBER_VR ("v19") \ + ASM_CLOBBER_VR ("v20") ASM_CLOBBER_VR ("v21") \ + ASM_CLOBBER_VR ("v22") ASM_CLOBBER_VR ("v23") \ + ASM_CLOBBER_VR ("v24") \ + ); \ + inptr = pInput; \ + outptr = pOutput; \ + } + +/* Generate loop-function with software routing. */ +#define MIN_NEEDED_INPUT MIN_NEEDED_TO +#define MIN_NEEDED_OUTPUT MIN_NEEDED_FROM +#define MAX_NEEDED_OUTPUT MAX_NEEDED_FROM +#define LOOPFCT __to_utf8_loop_c +#define BODY BODY_TO_C +#define LOOP_NEED_FLAGS +#include <iconv/loop.c> + +/* Generate loop-function with hardware utf-convert instruction. */ +#define MIN_NEEDED_INPUT MIN_NEEDED_TO +#define MIN_NEEDED_OUTPUT MIN_NEEDED_FROM +#define MAX_NEEDED_OUTPUT MAX_NEEDED_FROM +#define LOOPFCT __to_utf8_loop_etf3eh +#define LOOP_NEED_FLAGS +#define BODY BODY_TO_ETF3EH +#include <iconv/loop.c> + +#if defined HAVE_S390_VX_ASM_SUPPORT +/* Generate loop-function with hardware vector and utf-convert instructions. */ +# define MIN_NEEDED_INPUT MIN_NEEDED_TO +# define MIN_NEEDED_OUTPUT MIN_NEEDED_FROM +# define MAX_NEEDED_OUTPUT MAX_NEEDED_FROM +# define LOOPFCT __to_utf8_loop_vx +# define BODY BODY_TO_VX +# define LOOP_NEED_FLAGS +# include <iconv/loop.c> +#endif + +/* Generate ifunc'ed loop function. */ +__typeof(__to_utf8_loop_c) +__attribute__ ((ifunc ("__to_utf8_loop_resolver"))) +__to_utf8_loop; + +static void * +__to_utf8_loop_resolver (unsigned long int dl_hwcap) +{ +#if defined HAVE_S390_VX_ASM_SUPPORT + if (dl_hwcap & HWCAP_S390_VX) + return __to_utf8_loop_vx; + else +#endif + if (dl_hwcap & HWCAP_S390_ZARCH && dl_hwcap & HWCAP_S390_HIGH_GPRS + && dl_hwcap & HWCAP_S390_ETF3EH) + return __to_utf8_loop_etf3eh; + else + return __to_utf8_loop_c; +} + +strong_alias (__to_utf8_loop_c_single, __to_utf8_loop_single) + + +#include <iconv/skeleton.c>
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