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Diffstat (limited to 'sysdeps/s390/s390-64/utf16-utf32-z9.c')
-rw-r--r--sysdeps/s390/s390-64/utf16-utf32-z9.c337
1 files changed, 0 insertions, 337 deletions
diff --git a/sysdeps/s390/s390-64/utf16-utf32-z9.c b/sysdeps/s390/s390-64/utf16-utf32-z9.c
deleted file mode 100644
index a3863ee244..0000000000
--- a/sysdeps/s390/s390-64/utf16-utf32-z9.c
+++ /dev/null
@@ -1,337 +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) 1997-2016 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>
-
-/* 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
-#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; \
- } \
- }
-
-/* 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; \
- break; \
- } \
- else if (cc == 2) \
- { \
- result = __GCONV_ILLEGAL_INPUT; \
- break; \
- } \
- }
-
-/* Conversion function from UTF-16 to UTF-32 internal/BE. */
-
-#define MIN_NEEDED_INPUT MIN_NEEDED_FROM
-#define MAX_NEEDED_INPUT MAX_NEEDED_FROM
-#define MIN_NEEDED_OUTPUT MIN_NEEDED_TO
-#define LOOPFCT FROM_LOOP
-/* The software routine is copied from utf-16.c (minus bytes
- swapping). */
-#define BODY \
- { \
- /* The hardware instruction currently fails to report an error for \
- isolated low surrogates so we have to disable the instruction \
- until this gets resolved. */ \
- if (0) /* (GLRO (dl_hwcap) & HWCAP_S390_ETF3EH) */ \
- { \
- HARDWARE_CONVERT ("cu24 %0, %1, 1"); \
- if (inptr != inend) \
- { \
- /* Check if the third byte is \
- a valid start of a UTF-16 surrogate. */ \
- if (inend - inptr == 3 && (inptr[3] & 0xfc) != 0xdc) \
- STANDARD_FROM_LOOP_ERR_HANDLER (3); \
- \
- result = __GCONV_INCOMPLETE_INPUT; \
- break; \
- } \
- continue; \
- } \
- \
- 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 LOOP_NEED_FLAGS
-#include <iconv/loop.c>
-
-/* Conversion from UTF-32 internal/BE to UTF-16. */
-
-#define MIN_NEEDED_INPUT MIN_NEEDED_TO
-#define MIN_NEEDED_OUTPUT MIN_NEEDED_FROM
-#define MAX_NEEDED_OUTPUT MAX_NEEDED_FROM
-#define LOOPFCT TO_LOOP
-/* The software routine is copied from utf-16.c (minus bytes
- swapping). */
-#define BODY \
- { \
- if (GLRO (dl_hwcap) & HWCAP_S390_ETF3EH) \
- { \
- HARDWARE_CONVERT ("cu42 %0, %1"); \
- \
- if (inptr != inend) \
- { \
- result = __GCONV_INCOMPLETE_INPUT; \
- break; \
- } \
- continue; \
- } \
- \
- 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 LOOP_NEED_FLAGS
-#include <iconv/loop.c>
-
-#include <iconv/skeleton.c>
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