[libpng16] Revised stack marking in arm/filter_neon.S and configure.ac.
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Glenn Randers-Pehrson
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399430dac2
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37
ANNOUNCE
37
ANNOUNCE
@ -23,43 +23,10 @@ Other information:
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1.6.3beta01-README.txt
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1.6.3beta01-LICENSE.txt
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Changes since the last public release (1.6.1):
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Version 1.6.2beta01 [April 14, 2013]
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Updated documentation of 1.5.x to 1.6.x changes in iCCP chunk handling.
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Fixed incorrect warning of excess deflate data. End condition - the
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warning would be produced if the end of the deflate stream wasn't read
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in the last row. The warning is harmless.
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Corrected the test on user transform changes on read. It was in the
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png_set of the transform function, but that doesn't matter unless the
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transform function changes the rowbuf size, and that is only valid if
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transform_info is called.
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Corrected a misplaced closing bracket in contrib/libtests/pngvalid.c
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(Flavio Medeiros).
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Corrected length written to uncompressed iTXt chunks (Samuli Suominen).
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Version 1.6.2rc01 [April 18, 2013]
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Added contrib/tools/fixitxt.c, to repair the erroneous iTXt chunk length
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written by libpng-1.6.0 and 1.6.1.
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Levchenko).
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Disallow storing sRGB information when the sRGB is not supported.
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Version 1.6.2rc02 [April 18, 2013]
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Merge pngtest.c with libpng-1.7.0
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Version 1.6.2rc03 [April 22, 2013]
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Trivial spelling cleanup.
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Version 1.6.2rc04 and 1.6.2rc05 [omitted]
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Version 1.6.2rc06 [April 24, 2013]
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Reverted to version 1.6.2rc03. Recent changes to arm/neon support
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have been ported to libpng-1.7.0beta09 and will reappear in version
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1.6.3beta01.
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Version 1.6.2 [March 25, 2013]
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Changes since the last public release (1.6.2):
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Version 1.6.3beta01 [April 25, 2013]
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Revised stack marking in arm/filter_neon.S and configure.ac.
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Send comments/corrections/commendations to png-mng-implement at lists.sf.net
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(subscription required; visit
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4
CHANGES
4
CHANGES
@ -4504,9 +4504,11 @@ Version 1.6.2rc06 [April 24, 2013]
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have been ported to libpng-1.7.0beta09 and will reappear in version
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1.6.3beta01.
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Version 1.6.2 [March 25, 2013]
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Version 1.6.2 [April 25, 2013]
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No changes.
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Version 1.6.3beta01 [April 25, 2013]
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Revised stack marking in arm/filter_neon.S and configure.ac.
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Send comments/corrections/commendations to png-mng-implement at lists.sf.net
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(subscription required; visit
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@ -3,7 +3,7 @@
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*
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* Copyright (c) 2013 Glenn Randers-Pehrson
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* Written by Mans Rullgard, 2011.
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* Last changed in libpng 1.5.15 [March 28, 2013]
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* Last changed in libpng 1.5.16 [(PENDING RELEASE)]
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*
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* This code is released under the libpng license.
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* For conditions of distribution and use, see the disclaimer
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@ -216,4 +216,4 @@ png_init_filter_functions_neon(png_structp pp, unsigned int bpp)
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png_read_filter_row_paeth4_neon;
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}
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}
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#endif /* FILTER_OPTIMIZATIONS && __arm__ && __ARM_NEON__ */
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#endif /* PNG_ARM_NEON_SUPPORTED */
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@ -1,9 +1,9 @@
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/* filter_neon.S - NEON optimised filter functions
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*
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* Copyright (c) 2011 Glenn Randers-Pehrson
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* Copyright (c) 2013 Glenn Randers-Pehrson
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* Written by Mans Rullgard, 2011.
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* Last changed in libpng 1.5.7 [December 15, 2011]
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* Last changed in libpng 1.5.16 [(PENDING RELEASE)]
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*
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* This code is released under the libpng license.
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* For conditions of distribution and use, see the disclaimer
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@ -11,17 +11,17 @@
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*/
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/* This is required to get the symbol renames, which are #defines, and also
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* includes the value of PNG_FILTER_OPTIMIZATIONS.
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* includes the definition (or not) of PNG_ARM_NEON_SUPPORTED.
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*/
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#define PNG_VERSION_INFO_ONLY
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#include "../pngpriv.h"
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#if defined(PNG_FILTER_OPTIMIZATIONS) && defined(__arm__) && \
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defined(__ARM_NEON__)
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#if defined(__linux__) && defined(__ELF__)
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.section .note.GNU-stack,"",%progbits /* mark stack as non-executable */
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#endif
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#ifdef PNG_ARM_NEON_SUPPORTED
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#ifdef __ELF__
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# define ELF
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#else
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@ -232,4 +232,4 @@ func png_read_filter_row_paeth3_neon, export=1
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pop {r4,pc}
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endfunc
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#endif /* FILTER_OPTIMIZATIONS && __arm__ && __ARM_NEON__ */
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#endif /* PNG_ARM_NEON_SUPPORTED */
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@ -226,11 +226,6 @@ AC_ARG_WITH(libpng-prefix,
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fi])
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AM_CONDITIONAL([DO_PNG_PREFIX], [test "${with_libpng_prefix:-no}" != "no"])
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# Because GCC by default assembles code with an executable stack, even though it
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# compiles C code with a non-executable stack, it is necessary to do a fixup
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# here (this may by GCC specific)
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# AC_SUBST([AM_CCASFLAGS], [-Wa,--noexecstack])
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AC_ARG_ENABLE([arm-neon],
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AS_HELP_STRING([[[--enable-arm-neon]]],
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[Enable ARM NEON optimizations: =off, check, api, on:]
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