75e69cc1e5
If we are building with -fcf-protection (run-time checking of indirect jumps) then Orc won't work. Make sure it's off. Orc may support -fcf-protection in the future, but does not in June 2019. https://gcc.gnu.org/onlinedocs/gcc/Instrumentation-Options.html#index-fcf-protection https://gitlab.freedesktop.org/gstreamer/orc/issues/17 see https://github.com/libvips/libvips/issues/1006#issuecomment-501802550
159 lines
4.1 KiB
C
159 lines
4.1 KiB
C
/* helper stuff for Orc
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*
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* 29/10/10
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* - from im_dilate hackery
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*/
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/*
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This file is part of VIPS.
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VIPS is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA
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*/
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/*
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These files are distributed with VIPS - http://www.vips.ecs.soton.ac.uk
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*/
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#ifndef VIPS_VECTOR_H
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#define VIPS_VECTOR_H
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/* If we are building with -fcf-protection (run-time checking of
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* indirect jumps) then Orc won't work. Make sure it's off.
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*
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* Orc may support -fcf-protection in the future, but does not in June 2019.
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*
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* https://gcc.gnu.org/onlinedocs/gcc/\
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* Instrumentation-Options.html#index-fcf-protection
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* https://gitlab.freedesktop.org/gstreamer/orc/issues/17
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*/
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#ifdef __CET__
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#undef HAVE_ORC
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#endif
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#ifdef HAVE_ORC
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#include <orc/orc.h>
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#endif /*HAVE_ORC*/
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#ifdef __cplusplus
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extern "C" {
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#endif /*__cplusplus*/
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#define VIPS_VECTOR_SOURCE_MAX (10)
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/* An Orc program.
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*/
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typedef struct {
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/* Handy for debugging.
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*/
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const char *name;
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char *unique_name;
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/* How many resources we've used so far in this codegen.
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*/
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int n_temp;
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int n_scanline;
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int n_source;
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int n_destination;
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int n_constant;
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int n_parameter;
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int n_instruction;
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/* The scanline sources, and for each variable, the associated line.
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* "sl0" onwards.
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*/
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int sl[VIPS_VECTOR_SOURCE_MAX];
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int line[VIPS_VECTOR_SOURCE_MAX];
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/* Non-scanline sources, "s1" etc. s[0] is the var for "s1".
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*/
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int s[VIPS_VECTOR_SOURCE_MAX];
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/* The destination var.
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*/
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int d1;
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#ifdef HAVE_ORC
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/* The code we have generated.
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*/
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OrcProgram *program;
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#endif /*HAVE_ORC*/
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/* Compiled successfully.
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*/
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gboolean compiled;
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} VipsVector;
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/* An executor.
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*/
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typedef struct {
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#ifdef HAVE_ORC
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OrcExecutor executor;
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#endif /*HAVE_ORC*/
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VipsVector *vector;
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} VipsExecutor;
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/* Set from the command-line.
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*/
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extern gboolean vips__vector_enabled;
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void vips_vector_init( void );
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gboolean vips_vector_isenabled( void );
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void vips_vector_set_enabled( gboolean enabled );
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void vips_vector_free( VipsVector *vector );
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VipsVector *vips_vector_new( const char *name, int dsize );
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void vips_vector_constant( VipsVector *vector,
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char *name, int value, int size );
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void vips_vector_source_scanline( VipsVector *vector,
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char *name, int line, int size );
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int vips_vector_source_name( VipsVector *vector, const char *name, int size );
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void vips_vector_temporary( VipsVector *vector, const char *name, int size );
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int vips_vector_parameter( VipsVector *vector, const char *name, int size );
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int vips_vector_destination( VipsVector *vector, const char *name, int size );
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void vips_vector_asm2( VipsVector *vector,
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const char *op, const char *a, const char *b );
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void vips_vector_asm3( VipsVector *vector,
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const char *op, const char *a, const char *b, const char *c );
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gboolean vips_vector_full( VipsVector *vector );
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gboolean vips_vector_compile( VipsVector *vector );
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void vips_vector_print( VipsVector *vector );
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void vips_executor_set_program( VipsExecutor *executor,
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VipsVector *vector, int n );
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void vips_executor_set_scanline( VipsExecutor *executor,
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VipsRegion *ir, int x, int y );
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void vips_executor_set_destination( VipsExecutor *executor, void *value );
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void vips_executor_set_parameter( VipsExecutor *executor, int var, int value );
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void vips_executor_set_array( VipsExecutor *executor, int var, void *value );
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void vips_executor_run( VipsExecutor *executor );
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void vips_vector_to_fixed_point( double *in, int *out, int n, int scale );
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#ifdef __cplusplus
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}
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#endif /*__cplusplus*/
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#endif /*VIPS_VECTOR_H*/
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