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 (at] 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(HAVE_PTHREAD)' 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) 274
