diff options
Diffstat (limited to 'src/mesa/glapi/gl_x86_asm.py')
| -rw-r--r-- | src/mesa/glapi/gl_x86_asm.py | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/src/mesa/glapi/gl_x86_asm.py b/src/mesa/glapi/gl_x86_asm.py new file mode 100644 index 0000000000..a0147b22b9 --- /dev/null +++ b/src/mesa/glapi/gl_x86_asm.py @@ -0,0 +1,138 @@ +#!/usr/bin/python2 + +# (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> + +from xml.sax import saxutils +from xml.sax import make_parser +from xml.sax.handler import feature_namespaces + +import gl_XML +import license +import sys, getopt + +class PrintGenericStubs(gl_XML.FilterGLAPISpecBase): + name = "gl_x86_asm.py (from Mesa)" + + def __init__(self): + gl_XML.FilterGLAPISpecBase.__init__(self) + self.license = license.bsd_license_template % ( \ +"""Copyright (C) 1999-2001 Brian Paul All Rights Reserved. +(C) Copyright IBM Corporation 2004""", "BRIAN PAUL, IBM") + + + def get_stack_size(self, f): + size = 0 + for p in f: + t = p.p_type + + if p.is_array() or t.size != 8: + size += 4 + else: + size += 8 + + return size + + def printRealHeader(self): + print '#include "assyntax.h"' + print '#include "glapioffsets.h"' + print '' + print '#ifndef __WIN32__' + print '' + print '#if defined(STDCALL_API)' + print '#define GL_PREFIX(n,n2) GLNAME(CONCAT(gl,n2))' + print '#elif defined(USE_MGL_NAMESPACE)' + print '#define GL_PREFIX(n,n2) GLNAME(CONCAT(mgl,n))' + print '#else' + print '#define GL_PREFIX(n,n2) GLNAME(CONCAT(gl,n))' + print '#endif' + print '' + print '#define GL_OFFSET(x) CODEPTR(REGOFF(4 * x, EAX))' + print '' + print '#if defined(GNU_ASSEMBLER) && !defined(__DJGPP__) && !defined(__MINGW32__)' + print '#define GLOBL_FN(x) GLOBL x ; .type x,@function' + print '#else' + print '#define GLOBL_FN(x) GLOBL x' + print '#endif' + print '' + print '#define GL_STUB(fn,off,stack)\t\t\t\t\\' + print 'ALIGNTEXT16;\t\t\t\t\t\t\\' + print 'GLOBL_FN(GL_PREFIX(fn, fn ## @ ## stack));\t\t\\' + print 'GL_PREFIX(fn, fn ## @ ## stack):\t\t\t\\' + print '\tMOV_L(CONTENT(GLNAME(_glapi_Dispatch)), EAX) ;\t\\' + print '\tJMP(GL_OFFSET(off))' + print '' + print 'SEG_TEXT' + print 'EXTERN GLNAME(_glapi_Dispatch)' + print '' + return + + def printRealFooter(self): + print '' + print '#endif /* __WIN32__ */' + return + + def printFunction(self, f): + if f.fn_offset == -1: return + + stack = self.get_stack_size(f) + + print '\tGL_STUB(%s, _gloffset_%s, %u)' % (f.name, f.real_name, stack) + 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": + dh = PrintGenericStubs() + else: + print "ERROR: Invalid mode \"%s\" specified." % mode + show_usage() + + parser = make_parser() + parser.setFeature(feature_namespaces, 0) + parser.setContentHandler(dh) + + f = open(file_name) + + dh.printHeader() + parser.parse(f) + dh.printFooter() |