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#!/usr/bin/env python
# (C) Copyright IBM Corporation 2004
# All Rights Reserved.
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the "Software"),
# to deal in the Software without restriction, including without limitation
# on the rights to use, copy, modify, merge, publish, distribute, sub
# license, and/or sell copies of the Software, and to permit persons to whom
# the Software is furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice (including the next
# paragraph) shall be included in all copies or substantial portions of the
# Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
# IBM AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
# IN THE SOFTWARE.
#
# Authors:
# Ian Romanick <idr@us.ibm.com>
import license
import gl_XML, glX_XML
import sys, getopt
class PrintGenericStubs(gl_XML.gl_print_base):
def __init__(self):
gl_XML.gl_print_base.__init__(self)
self.name = "gl_SPARC_asm.py (from Mesa)"
self.license = license.bsd_license_template % ( \
"""Copyright (C) 1999-2003 Brian Paul All Rights Reserved.
(C) Copyright IBM Corporation 2004""", "BRIAN PAUL, IBM")
def printRealHeader(self):
print '#include "glapioffsets.h"'
print ''
print '#ifdef __arch64__'
print '# define GL_STUB(fn,off)\t\t\t\t\\'
print 'fn:\t\t\t\t\t\\'
print '\tsethi\t%hi(0xDEADBEEF), %g4 ;\t\t\t\\'
print '\tsethi\t%hi(0xDEADBEEF), %g1 ;\t\t\t\\'
print '\tor\t%g4, %lo(0xDEADBEEF), %g4 ;\t\t\\'
print '\tor\t%g1, %lo(0xDEADBEEF), %g1 ;\t\t\\'
print '\tsllx\t%g4, 32, %g4 ;\t\t\t\t\\'
print '\tldx\t[%g1 + %g4], %g1 ;\t\t\t\\'
print '\tsethi\t%hi(8 * off), %g4 ;\t\t\t\\'
print '\tor\t%g4, %lo(8 * off), %g4 ;\t\t\\'
print '\tldx\t[%g1 + %g4], %g5 ;\t\t\t\\'
print '\tjmpl\t%g5, %g0 ;\t\t\t\t\\'
print '\tnop'
print '#else'
print '# define GL_STUB(fn,off)\t\t\t\t\\'
print 'fn:\t\t\t\t\t\\'
print '\tsethi\t%hi(0xDEADBEEF), %g1 ;\t\t\t\\'
print '\tld\t[%g1 + %lo(0xDEADBEEF)], %g1 ;\t\t\\'
print '\tld\t[%g1 + (4 * off)], %g5 ;\t\t\\'
print '\tjmpl\t%g5, %g0 ;\t\t\t\t\\'
print '\tnop'
print '#endif'
print ''
print '#define GL_STUB_ALIAS(fn,alias) fn = alias'
print ''
print '.text'
print '.align 32'
print '\t\t.globl __glapi_sparc_icache_flush ; .type __glapi_sparc_icache_flush,#function'
print '__glapi_sparc_icache_flush: /* %o0 = insn_addr */'
print '\tflush\t%o0'
print '\tretl'
print '\tnop'
print ''
print '.data'
print '.align 64'
print ''
return
def printBody(self, api):
for f in api.functionIterateByOffset():
if f.is_static_entry_point(f.name):
name = f.name
else:
name = "_dispatch_stub_%u" % (f.offset)
print '\t\t.globl gl%s ; .type gl%s,#function' % (name, name)
print '\t\t.globl _mesa_sparc_glapi_begin ; .type _mesa_sparc_glapi_begin,#function'
print '_mesa_sparc_glapi_begin:'
print ''
for f in api.functionIterateByOffset():
if f.is_static_entry_point(f.name):
name = f.name
else:
name = "_dispatch_stub_%u" % (f.offset)
print '\tGL_STUB(gl%s, _gloffset_%s)' % (name, name)
print ''
print '\t\t.globl _mesa_sparc_glapi_end ; .type _mesa_sparc_glapi_end,#function'
print '_mesa_sparc_glapi_end:'
print ''
for f in api.functionIterateByOffset():
for n in f.entry_points:
if n != f.name:
if f.is_static_entry_point(n):
text = '\t.globl gl%s ; .type gl%s,#function ; gl%s = gl%s' % (n, n, n, f.name)
if f.has_different_protocol(n):
print '#ifndef GLX_INDIRECT_RENDERING'
print text
print '#endif'
else:
print text
return
def show_usage():
print "Usage: %s [-f input_file_name] [-m output_mode]" % sys.argv[0]
sys.exit(1)
if __name__ == '__main__':
file_name = "gl_API.xml"
mode = "generic"
try:
(args, trail) = getopt.getopt(sys.argv[1:], "m:f:")
except Exception,e:
show_usage()
for (arg,val) in args:
if arg == '-m':
mode = val
elif arg == "-f":
file_name = val
if mode == "generic":
printer = PrintGenericStubs()
else:
print "ERROR: Invalid mode \"%s\" specified." % mode
show_usage()
api = gl_XML.parse_GL_API(file_name, glX_XML.glx_item_factory())
printer.Print(api)
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