text: 
  # (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 argparse
  
  import license
  import gl_XML, glX_XML
  
  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('#ifdef __arch64__')
          print('#define GL_OFF(N)\t((N) * 8)')
          print('#define GL_LL\t\tldx')
          print('#define GL_TIE_LD(SYM)\t%tie_ldx(SYM)')
          print('#define GL_STACK_SIZE\t128')
          print('#else')
          print('#define GL_OFF(N)\t((N) * 4)')
          print('#define GL_LL\t\tld')
          print('#define GL_TIE_LD(SYM)\t%tie_ld(SYM)')
          print('#define GL_STACK_SIZE\t64')
          print('#endif')
          print('')
          print('#define GLOBL_FN(x) .globl x ; .type x, @function')
          print('#define HIDDEN(x) .hidden x')
          print('')
          print('\t.register %g2, #scratch')
          print('\t.register %g3, #scratch')
          print('')
          print('\t.text')
          print('')
          print('\tGLOBL_FN(__glapi_sparc_icache_flush)')
          print('\tHIDDEN(__glapi_sparc_icache_flush)')
          print('\t.type\t__glapi_sparc_icache_flush, @function')
          print('__glapi_sparc_icache_flush: /* %o0 = insn_addr */')
          print('\tflush\t%o0')
          print('\tretl')
          print('\t nop')
          print('')
          print('\t.align\t32')
          print('')
          print('\t.type\t__glapi_sparc_get_pc, @function')
          print('__glapi_sparc_get_pc:')
          print('\tretl')
          print('\t add\t%o7, %g2, %g2')
          print('\t.size\t__glapi_sparc_get_pc, .-__glapi_sparc_get_pc')
          print('')
          print('#ifdef USE_ELF_TLS')
          print('')
          print('\tGLOBL_FN(__glapi_sparc_get_dispatch)')
          print('\tHIDDEN(__glapi_sparc_get_dispatch)')
          print('__glapi_sparc_get_dispatch:')
          print('\tmov\t%o7, %g1')
          print('\tsethi\t%hi(_GLOBAL_OFFSET_TABLE_-4), %g2')
          print('\tcall\t__glapi_sparc_get_pc')
          print('\tadd\t%g2, %lo(_GLOBAL_OFFSET_TABLE_+4), %g2')
          print('\tmov\t%g1, %o7')
          print('\tsethi\t%tie_hi22(_glapi_tls_Dispatch), %g1')
          print('\tadd\t%g1, %tie_lo10(_glapi_tls_Dispatch), %g1')
          print('\tGL_LL\t[%g2 + %g1], %g2, GL_TIE_LD(_glapi_tls_Dispatch)')
          print('\tretl')
          print('\t mov\t%g2, %o0')
          print('')
          print('\t.data')
          print('\t.align\t32')
          print('')
          print('\t/* --> sethi %hi(_glapi_tls_Dispatch), %g1 */')
          print('\t/* --> or %g1, %lo(_glapi_tls_Dispatch), %g1 */')
          print('\tGLOBL_FN(__glapi_sparc_tls_stub)')
          print('\tHIDDEN(__glapi_sparc_tls_stub)')
          print('__glapi_sparc_tls_stub: /* Call offset in %g3 */')
          print('\tmov\t%o7, %g1')
          print('\tsethi\t%hi(_GLOBAL_OFFSET_TABLE_-4), %g2')
          print('\tcall\t__glapi_sparc_get_pc')
          print('\tadd\t%g2, %lo(_GLOBAL_OFFSET_TABLE_+4), %g2')
          print('\tmov\t%g1, %o7')
          print('\tsrl\t%g3, 10, %g3')
          print('\tsethi\t%tie_hi22(_glapi_tls_Dispatch), %g1')
          print('\tadd\t%g1, %tie_lo10(_glapi_tls_Dispatch), %g1')
          print('\tGL_LL\t[%g2 + %g1], %g2, GL_TIE_LD(_glapi_tls_Dispatch)')
          print('\tGL_LL\t[%g7+%g2], %g1')
          print('\tGL_LL\t[%g1 + %g3], %g1')
          print('\tjmp\t%g1')
          print('\t nop')
          print('\t.size\t__glapi_sparc_tls_stub, .-__glapi_sparc_tls_stub')
          print('')
          print('#define GL_STUB(fn, off)\t\t\t\t\\')
          print('\tGLOBL_FN(fn);\t\t\t\t\t\\')
          print('fn:\tba\t__glapi_sparc_tls_stub;\t\t\t\\')
          print('\t sethi\tGL_OFF(off), %g3;\t\t\t\\')
          print('\t.size\tfn,.-fn;')
          print('')
          print('#elif defined(HAVE_PTHREAD)')
          print('')
          print('\t/* 64-bit 0x00 --> sethi %hh(_glapi_Dispatch), %g1 */')
          print('\t/* 64-bit 0x04 --> sethi %lm(_glapi_Dispatch), %g2 */')
          print('\t/* 64-bit 0x08 --> or %g1, %hm(_glapi_Dispatch), %g1 */')
          print('\t/* 64-bit 0x0c --> sllx %g1, 32, %g1 */')
          print('\t/* 64-bit 0x10 --> add %g1, %g2, %g1 */')
          print('\t/* 64-bit 0x14 --> ldx [%g1 + %lo(_glapi_Dispatch)], %g1 */')
          print('')
          print('\t/* 32-bit 0x00 --> sethi %hi(_glapi_Dispatch), %g1 */')
          print('\t/* 32-bit 0x04 --> ld [%g1 + %lo(_glapi_Dispatch)], %g1 */')
          print('')
          print('\t.data')
          print('\t.align\t32')
          print('')
          print('\tGLOBL_FN(__glapi_sparc_pthread_stub)')
          print('\tHIDDEN(__glapi_sparc_pthread_stub)')
          print('__glapi_sparc_pthread_stub: /* Call offset in %g3 */')
          print('\tmov\t%o7, %g1')
          print('\tsethi\t%hi(_GLOBAL_OFFSET_TABLE_-4), %g2')
          print('\tcall\t__glapi_sparc_get_pc')
          print('\t add\t%g2, %lo(_GLOBAL_OFFSET_TABLE_+4), %g2')
          print('\tmov\t%g1, %o7')
          print('\tsethi\t%hi(_glapi_Dispatch), %g1')
          print('\tor\t%g1, %lo(_glapi_Dispatch), %g1')
          print('\tsrl\t%g3, 10, %g3')
          print('\tGL_LL\t[%g2+%g1], %g2')
          print('\tGL_LL\t[%g2], %g1')
          print('\tcmp\t%g1, 0')
          print('\tbe\t2f')
          print('\t nop')
          print('1:\tGL_LL\t[%g1 + %g3], %g1')
          print('\tjmp\t%g1')
          print('\t nop')
          print('2:\tsave\t%sp, GL_STACK_SIZE, %sp')
          print('\tmov\t%g3, %l0')
          print('\tcall\t_glapi_get_dispatch')
          print('\t nop')
          print('\tmov\t%o0, %g1')
          print('\tmov\t%l0, %g3')
          print('\tba\t1b')
          print('\t restore %g0, %g0, %g0')
          print('\t.size\t__glapi_sparc_pthread_stub, .-__glapi_sparc_pthread_stub')
          print('')
          print('#define GL_STUB(fn, off)\t\t\t\\')
          print('\tGLOBL_FN(fn);\t\t\t\t\\')
          print('fn:\tba\t__glapi_sparc_pthread_stub;\t\\')
          print('\t sethi\tGL_OFF(off), %g3;\t\t\\')
          print('\t.size\tfn,.-fn;')
          print('')
          print('#else /* Non-threaded version. */')
          print('')
          print('\t.type	__glapi_sparc_nothread_stub, @function')
          print('__glapi_sparc_nothread_stub: /* Call offset in %g3 */')
          print('\tmov\t%o7, %g1')
          print('\tsethi\t%hi(_GLOBAL_OFFSET_TABLE_-4), %g2')
          print('\tcall\t__glapi_sparc_get_pc')
          print('\t add\t%g2, %lo(_GLOBAL_OFFSET_TABLE_+4), %g2')
          print('\tmov\t%g1, %o7')
          print('\tsrl\t%g3, 10, %g3')
          print('\tsethi\t%hi(_glapi_Dispatch), %g1')
          print('\tor\t%g1, %lo(_glapi_Dispatch), %g1')
          print('\tGL_LL\t[%g2+%g1], %g2')
          print('\tGL_LL\t[%g2], %g1')
          print('\tGL_LL\t[%g1 + %g3], %g1')
          print('\tjmp\t%g1')
          print('\t nop')
          print('\t.size\t__glapi_sparc_nothread_stub, .-__glapi_sparc_nothread_stub')
          print('')
          print('#define GL_STUB(fn, off)\t\t\t\\')
          print('\tGLOBL_FN(fn);\t\t\t\t\\')
          print('fn:\tba\t__glapi_sparc_nothread_stub;\t\\')
          print('\t sethi\tGL_OFF(off), %g3;\t\t\\')
          print('\t.size\tfn,.-fn;')
          print('')
          print('#endif')
          print('')
          print('#define GL_STUB_ALIAS(fn, alias)		\\')
          print('	.globl	fn;				\\')
          print('	.set	fn, alias')
          print('')
          print('\t.text')
          print('\t.align\t32')
          print('')
          print('\t.globl\tgl_dispatch_functions_start')
          print('\tHIDDEN(gl_dispatch_functions_start)')
          print('gl_dispatch_functions_start:')
          print('')
          return
  
      def printRealFooter(self):
          print('')
          print('\t.globl\tgl_dispatch_functions_end')
          print('\tHIDDEN(gl_dispatch_functions_end)')
          print('gl_dispatch_functions_end:')
          return
  
      def printBody(self, api):
          for f in api.functionIterateByOffset():
              name = f.dispatch_name()
  
              print('\tGL_STUB(gl%s, %d)' % (name, f.offset))
  
              if not f.is_static_entry_point(f.name):
                  print('\tHIDDEN(gl%s)' % (name))
  
          for f in api.functionIterateByOffset():
              name = f.dispatch_name()
  
              if f.is_static_entry_point(f.name):
                  for n in f.entry_points:
                      if n != f.name:
                          text = '\tGL_STUB_ALIAS(gl%s, gl%s)' % (n, f.name)
  
                          if f.has_different_protocol(n):
                              print('#ifndef GLX_INDIRECT_RENDERING')
                              print(text)
                              print('#endif')
                          else:
                              print(text)
  
          return
  
  
  def _parser():
      """Parse arguments and return a namespace."""
      parser = argparse.ArgumentParser()
      parser.add_argument('-f',
                          dest='filename',
                          default='gl_API.xml',
                          help='An XML description of an API.')
      return parser.parse_args()
  
  
  def main():
      """Main function."""
      args = _parser()
      printer = PrintGenericStubs()
  
      api = gl_XML.parse_GL_API(args.filename, glX_XML.glx_item_factory())
      printer.Print(api)
  
  
  if __name__ == '__main__':
      main()
  