src/mapi/glapi/gen/gl_SPARC_asm.py

   1 #!/usr/bin/env python
   2
   3 # (C) Copyright IBM Corporation 2004
   4 # All Rights Reserved.
   5 #
   6 # Permission is hereby granted, free of charge, to any person obtaining a
   7 # copy of this software and associated documentation files (the "Software"),
   8 # to deal in the Software without restriction, including without limitation
   9 # on the rights to use, copy, modify, merge, publish, distribute, sub
  10 # license, and/or sell copies of the Software, and to permit persons to whom
  11 # the Software is furnished to do so, subject to the following conditions:
  12 #
  13 # The above copyright notice and this permission notice (including the next
  14 # paragraph) shall be included in all copies or substantial portions of the
  15 # Software.
  16 #
  17 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19 # FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.  IN NO EVENT SHALL
  20 # IBM AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  22 # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  23 # IN THE SOFTWARE.
  24 #
  25 # Authors:
  26 #    Ian Romanick <idr@us.ibm.com>
  27
  28 import license
  29 import gl_XML, glX_XML
  30 import sys, getopt
  31
  32 class PrintGenericStubs(gl_XML.gl_print_base):
  33         def __init__(self):
  34                 gl_XML.gl_print_base.__init__(self)
  35                 self.name = "gl_SPARC_asm.py (from Mesa)"
  36                 self.license = license.bsd_license_template % ( \
  37 """Copyright (C) 1999-2003  Brian Paul   All Rights Reserved.
  38 (C) Copyright IBM Corporation 2004""", "BRIAN PAUL, IBM")
  39
  40
  41         def printRealHeader(self):
  42                 print '#ifdef __arch64__'
  43                 print '#define GL_OFF(N)\t((N) * 8)'
  44                 print '#define GL_LL\t\tldx'
  45                 print '#define GL_TIE_LD(SYM)\t%tie_ldx(SYM)'
  46                 print '#define GL_STACK_SIZE\t128'
  47                 print '#else'
  48                 print '#define GL_OFF(N)\t((N) * 4)'
  49                 print '#define GL_LL\t\tld'
  50                 print '#define GL_TIE_LD(SYM)\t%tie_ld(SYM)'
  51                 print '#define GL_STACK_SIZE\t64'
  52                 print '#endif'
  53                 print ''
  54                 print '#define GLOBL_FN(x) .globl x ; .type x, @function'
  55                 print '#define HIDDEN(x) .hidden x'
  56                 print ''
  57                 print '\t.register %g2, #scratch'
  58                 print '\t.register %g3, #scratch'
  59                 print ''
  60                 print '\t.text'
  61                 print ''
  62                 print '\tGLOBL_FN(__glapi_sparc_icache_flush)'
  63                 print '\tHIDDEN(__glapi_sparc_icache_flush)'
  64                 print '\t.type\t__glapi_sparc_icache_flush, @function'
  65                 print '__glapi_sparc_icache_flush: /* %o0 = insn_addr */'
  66                 print '\tflush\t%o0'
  67                 print '\tretl'
  68                 print '\t nop'
  69                 print ''
  70                 print '\t.align\t32'
  71                 print ''
  72                 print '\t.type\t__glapi_sparc_get_pc, @function'
  73                 print '__glapi_sparc_get_pc:'
  74                 print '\tretl'
  75                 print '\t add\t%o7, %g2, %g2'
  76                 print '\t.size\t__glapi_sparc_get_pc, .-__glapi_sparc_get_pc'
  77                 print ''
  78                 print '#ifdef GLX_USE_TLS'
  79                 print ''
  80                 print '\tGLOBL_FN(__glapi_sparc_get_dispatch)'
  81                 print '\tHIDDEN(__glapi_sparc_get_dispatch)'
  82                 print '__glapi_sparc_get_dispatch:'
  83                 print '\tmov\t%o7, %g1'
  84                 print '\tsethi\t%hi(_GLOBAL_OFFSET_TABLE_-4), %g2'
  85                 print '\tcall\t__glapi_sparc_get_pc'
  86                 print '\tadd\t%g2, %lo(_GLOBAL_OFFSET_TABLE_+4), %g2'
  87                 print '\tmov\t%g1, %o7'
  88                 print '\tsethi\t%tie_hi22(_glapi_tls_Dispatch), %g1'
  89                 print '\tadd\t%g1, %tie_lo10(_glapi_tls_Dispatch), %g1'
  90                 print '\tGL_LL\t[%g2 + %g1], %g2, GL_TIE_LD(_glapi_tls_Dispatch)'
  91                 print '\tretl'
  92                 print '\t mov\t%g2, %o0'
  93                 print ''
  94                 print '\t.data'
  95                 print '\t.align\t32'
  96                 print ''
  97                 print '\t/* --> sethi %hi(_glapi_tls_Dispatch), %g1 */'
  98                 print '\t/* --> or %g1, %lo(_glapi_tls_Dispatch), %g1 */'
  99                 print '\tGLOBL_FN(__glapi_sparc_tls_stub)'
 100                 print '\tHIDDEN(__glapi_sparc_tls_stub)'
 101                 print '__glapi_sparc_tls_stub: /* Call offset in %g3 */'
 102                 print '\tmov\t%o7, %g1'
 103                 print '\tsethi\t%hi(_GLOBAL_OFFSET_TABLE_-4), %g2'
 104                 print '\tcall\t__glapi_sparc_get_pc'
 105                 print '\tadd\t%g2, %lo(_GLOBAL_OFFSET_TABLE_+4), %g2'
 106                 print '\tmov\t%g1, %o7'
 107                 print '\tsrl\t%g3, 10, %g3'
 108                 print '\tsethi\t%tie_hi22(_glapi_tls_Dispatch), %g1'
 109                 print '\tadd\t%g1, %tie_lo10(_glapi_tls_Dispatch), %g1'
 110                 print '\tGL_LL\t[%g2 + %g1], %g2, GL_TIE_LD(_glapi_tls_Dispatch)'
 111                 print '\tGL_LL\t[%g7+%g2], %g1'
 112                 print '\tGL_LL\t[%g1 + %g3], %g1'
 113                 print '\tjmp\t%g1'
 114                 print '\t nop'
 115                 print '\t.size\t__glapi_sparc_tls_stub, .-__glapi_sparc_tls_stub'
 116                 print ''
 117                 print '#define GL_STUB(fn, off)\t\t\t\t\\'
 118                 print '\tGLOBL_FN(fn);\t\t\t\t\t\\'
 119                 print 'fn:\tba\t__glapi_sparc_tls_stub;\t\t\t\\'
 120                 print '\t sethi\tGL_OFF(off), %g3;\t\t\t\\'
 121                 print '\t.size\tfn,.-fn;'
 122                 print ''
 123                 print '#elif defined(PTHREADS)'
 124                 print ''
 125                 print '\t/* 64-bit 0x00 --> sethi %hh(_glapi_Dispatch), %g1 */'
 126                 print '\t/* 64-bit 0x04 --> sethi %lm(_glapi_Dispatch), %g2 */'
 127                 print '\t/* 64-bit 0x08 --> or %g1, %hm(_glapi_Dispatch), %g1 */'
 128                 print '\t/* 64-bit 0x0c --> sllx %g1, 32, %g1 */'
 129                 print '\t/* 64-bit 0x10 --> add %g1, %g2, %g1 */'
 130                 print '\t/* 64-bit 0x14 --> ldx [%g1 + %lo(_glapi_Dispatch)], %g1 */'
 131                 print ''
 132                 print '\t/* 32-bit 0x00 --> sethi %hi(_glapi_Dispatch), %g1 */'
 133                 print '\t/* 32-bit 0x04 --> ld [%g1 + %lo(_glapi_Dispatch)], %g1 */'
 134                 print ''
 135                 print '\t.data'
 136                 print '\t.align\t32'
 137                 print ''
 138                 print '\tGLOBL_FN(__glapi_sparc_pthread_stub)'
 139                 print '\tHIDDEN(__glapi_sparc_pthread_stub)'
 140                 print '__glapi_sparc_pthread_stub: /* Call offset in %g3 */'
 141                 print '\tmov\t%o7, %g1'
 142                 print '\tsethi\t%hi(_GLOBAL_OFFSET_TABLE_-4), %g2'
 143                 print '\tcall\t__glapi_sparc_get_pc'
 144                 print '\t add\t%g2, %lo(_GLOBAL_OFFSET_TABLE_+4), %g2'
 145                 print '\tmov\t%g1, %o7'
 146                 print '\tsethi\t%hi(_glapi_Dispatch), %g1'
 147                 print '\tor\t%g1, %lo(_glapi_Dispatch), %g1'
 148                 print '\tsrl\t%g3, 10, %g3'
 149                 print '\tGL_LL\t[%g2+%g1], %g2'
 150                 print '\tGL_LL\t[%g2], %g1'
 151                 print '\tcmp\t%g1, 0'
 152                 print '\tbe\t2f'
 153                 print '\t nop'
 154                 print '1:\tGL_LL\t[%g1 + %g3], %g1'
 155                 print '\tjmp\t%g1'
 156                 print '\t nop'
 157                 print '2:\tsave\t%sp, GL_STACK_SIZE, %sp'
 158                 print '\tmov\t%g3, %l0'
 159                 print '\tcall\t_glapi_get_dispatch'
 160                 print '\t nop'
 161                 print '\tmov\t%o0, %g1'
 162                 print '\tmov\t%l0, %g3'
 163                 print '\tba\t1b'
 164                 print '\t restore %g0, %g0, %g0'
 165                 print '\t.size\t__glapi_sparc_pthread_stub, .-__glapi_sparc_pthread_stub'
 166                 print ''
 167                 print '#define GL_STUB(fn, off)\t\t\t\\'
 168                 print '\tGLOBL_FN(fn);\t\t\t\t\\'
 169                 print 'fn:\tba\t__glapi_sparc_pthread_stub;\t\\'
 170                 print '\t sethi\tGL_OFF(off), %g3;\t\t\\'
 171                 print '\t.size\tfn,.-fn;'
 172                 print ''
 173                 print '#else /* Non-threaded version. */'
 174                 print ''
 175                 print '\t.type  __glapi_sparc_nothread_stub, @function'
 176                 print '__glapi_sparc_nothread_stub: /* Call offset in %g3 */'
 177                 print '\tmov\t%o7, %g1'
 178                 print '\tsethi\t%hi(_GLOBAL_OFFSET_TABLE_-4), %g2'
 179                 print '\tcall\t__glapi_sparc_get_pc'
 180                 print '\t add\t%g2, %lo(_GLOBAL_OFFSET_TABLE_+4), %g2'
 181                 print '\tmov\t%g1, %o7'
 182                 print '\tsrl\t%g3, 10, %g3'
 183                 print '\tsethi\t%hi(_glapi_Dispatch), %g1'
 184                 print '\tor\t%g1, %lo(_glapi_Dispatch), %g1'
 185                 print '\tGL_LL\t[%g2+%g1], %g2'
 186                 print '\tGL_LL\t[%g2], %g1'
 187                 print '\tGL_LL\t[%g1 + %g3], %g1'
 188                 print '\tjmp\t%g1'
 189                 print '\t nop'
 190                 print '\t.size\t__glapi_sparc_nothread_stub, .-__glapi_sparc_nothread_stub'
 191                 print ''
 192                 print '#define GL_STUB(fn, off)\t\t\t\\'
 193                 print '\tGLOBL_FN(fn);\t\t\t\t\\'
 194                 print 'fn:\tba\t__glapi_sparc_nothread_stub;\t\\'
 195                 print '\t sethi\tGL_OFF(off), %g3;\t\t\\'
 196                 print '\t.size\tfn,.-fn;'
 197                 print ''
 198                 print '#endif'
 199                 print ''
 200                 print '#define GL_STUB_ALIAS(fn, alias)         \\'
 201                 print ' .globl  fn;                             \\'
 202                 print ' .set    fn, alias'
 203                 print ''
 204                 print '\t.text'
 205                 print '\t.align\t32'
 206                 print ''
 207                 print '\t.globl\tgl_dispatch_functions_start'
 208                 print '\tHIDDEN(gl_dispatch_functions_start)'
 209                 print 'gl_dispatch_functions_start:'
 210                 print ''
 211                 return
 212
 213         def printRealFooter(self):
 214                 print ''
 215                 print '\t.globl\tgl_dispatch_functions_end'
 216                 print '\tHIDDEN(gl_dispatch_functions_end)'
 217                 print 'gl_dispatch_functions_end:'
 218                 return
 219
 220         def printBody(self, api):
 221                 for f in api.functionIterateByOffset():
 222                         name = f.dispatch_name()
 223
 224                         print '\tGL_STUB(gl%s, %d)' % (name, f.offset)
 225
 226                         if not f.is_static_entry_point(f.name):
 227                                 print '\tHIDDEN(gl%s)' % (name)
 228
 229                 for f in api.functionIterateByOffset():
 230                         name = f.dispatch_name()
 231
 232                         if f.is_static_entry_point(f.name):
 233                                 for n in f.entry_points:
 234                                         if n != f.name:
 235                                                 text = '\tGL_STUB_ALIAS(gl%s, gl%s)' % (n, f.name)
 236
 237                                                 if f.has_different_protocol(n):
 238                                                         print '#ifndef GLX_INDIRECT_RENDERING'
 239                                                         print text
 240                                                         print '#endif'
 241                                                 else:
 242                                                         print text
 243
 244                 return
 245
 246
 247 def show_usage():
 248         print "Usage: %s [-f input_file_name] [-m output_mode]" % sys.argv[0]
 249         sys.exit(1)
 250
 251 if __name__ == '__main__':
 252         file_name = "gl_API.xml"
 253         mode = "generic"
 254
 255         try:
 256                 (args, trail) = getopt.getopt(sys.argv[1:], "m:f:")
 257         except Exception,e:
 258                 show_usage()
 259
 260         for (arg,val) in args:
 261                 if arg == '-m':
 262                         mode = val
 263                 elif arg == "-f":
 264                         file_name = val
 265
 266         if mode == "generic":
 267                 printer = PrintGenericStubs()
 268         else:
 269                 print "ERROR: Invalid mode \"%s\" specified." % mode
 270                 show_usage()
 271
 272         api = gl_XML.parse_GL_API(file_name, glX_XML.glx_item_factory())
 273         printer.Print(api)