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1901 | serge | 1 | #!/usr/bin/env python |
2 | |||
3 | # (C) Copyright IBM Corporation 2004 |
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4 | # All Rights Reserved. |
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5 | # |
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6 | # Permission is hereby granted, free of charge, to any person obtaining a |
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7 | # copy of this software and associated documentation files (the "Software"), |
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8 | # to deal in the Software without restriction, including without limitation |
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9 | # on the rights to use, copy, modify, merge, publish, distribute, sub |
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10 | # license, and/or sell copies of the Software, and to permit persons to whom |
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11 | # the Software is furnished to do so, subject to the following conditions: |
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12 | # |
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13 | # The above copyright notice and this permission notice (including the next |
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14 | # paragraph) shall be included in all copies or substantial portions of the |
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15 | # Software. |
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16 | # |
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17 | # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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18 | # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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19 | # FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL |
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20 | # IBM AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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21 | # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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22 | # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
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23 | # IN THE SOFTWARE. |
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24 | # |
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25 | # Authors: |
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26 | # Ian Romanick |
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27 | |||
28 | import license |
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29 | import gl_XML, glX_XML |
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30 | import sys, getopt |
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31 | |||
32 | class PrintGenericStubs(gl_XML.gl_print_base): |
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33 | def __init__(self): |
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34 | gl_XML.gl_print_base.__init__(self) |
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35 | self.name = "gl_SPARC_asm.py (from Mesa)" |
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36 | self.license = license.bsd_license_template % ( \ |
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37 | """Copyright (C) 1999-2003 Brian Paul All Rights Reserved. |
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38 | (C) Copyright IBM Corporation 2004""", "BRIAN PAUL, IBM") |
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39 | |||
40 | |||
41 | def printRealHeader(self): |
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42 | print '#ifdef __arch64__' |
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43 | print '#define GL_OFF(N)\t((N) * 8)' |
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44 | print '#define GL_LL\t\tldx' |
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45 | print '#define GL_TIE_LD(SYM)\t%tie_ldx(SYM)' |
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46 | print '#define GL_STACK_SIZE\t128' |
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47 | print '#else' |
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48 | print '#define GL_OFF(N)\t((N) * 4)' |
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49 | print '#define GL_LL\t\tld' |
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50 | print '#define GL_TIE_LD(SYM)\t%tie_ld(SYM)' |
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51 | print '#define GL_STACK_SIZE\t64' |
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52 | print '#endif' |
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53 | print '' |
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54 | print '#define GLOBL_FN(x) .globl x ; .type x, @function' |
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55 | print '#define HIDDEN(x) .hidden x' |
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56 | print '' |
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57 | print '\t.register %g2, #scratch' |
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58 | print '\t.register %g3, #scratch' |
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59 | print '' |
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60 | print '\t.text' |
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61 | print '' |
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62 | print '\tGLOBL_FN(__glapi_sparc_icache_flush)' |
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63 | print '\tHIDDEN(__glapi_sparc_icache_flush)' |
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64 | print '\t.type\t__glapi_sparc_icache_flush, @function' |
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65 | print '__glapi_sparc_icache_flush: /* %o0 = insn_addr */' |
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66 | print '\tflush\t%o0' |
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67 | print '\tretl' |
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68 | print '\t nop' |
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69 | print '' |
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70 | print '\t.align\t32' |
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71 | print '' |
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72 | print '\t.type\t__glapi_sparc_get_pc, @function' |
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73 | print '__glapi_sparc_get_pc:' |
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74 | print '\tretl' |
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75 | print '\t add\t%o7, %g2, %g2' |
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76 | print '\t.size\t__glapi_sparc_get_pc, .-__glapi_sparc_get_pc' |
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77 | print '' |
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78 | print '#ifdef GLX_USE_TLS' |
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79 | print '' |
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80 | print '\tGLOBL_FN(__glapi_sparc_get_dispatch)' |
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81 | print '\tHIDDEN(__glapi_sparc_get_dispatch)' |
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82 | print '__glapi_sparc_get_dispatch:' |
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83 | print '\tmov\t%o7, %g1' |
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84 | print '\tsethi\t%hi(_GLOBAL_OFFSET_TABLE_-4), %g2' |
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85 | print '\tcall\t__glapi_sparc_get_pc' |
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86 | print '\tadd\t%g2, %lo(_GLOBAL_OFFSET_TABLE_+4), %g2' |
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87 | print '\tmov\t%g1, %o7' |
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88 | print '\tsethi\t%tie_hi22(_glapi_tls_Dispatch), %g1' |
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89 | print '\tadd\t%g1, %tie_lo10(_glapi_tls_Dispatch), %g1' |
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90 | print '\tGL_LL\t[%g2 + %g1], %g2, GL_TIE_LD(_glapi_tls_Dispatch)' |
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91 | print '\tretl' |
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92 | print '\t mov\t%g2, %o0' |
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93 | print '' |
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94 | print '\t.data' |
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95 | print '\t.align\t32' |
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96 | print '' |
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97 | print '\t/* --> sethi %hi(_glapi_tls_Dispatch), %g1 */' |
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98 | print '\t/* --> or %g1, %lo(_glapi_tls_Dispatch), %g1 */' |
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99 | print '\tGLOBL_FN(__glapi_sparc_tls_stub)' |
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100 | print '\tHIDDEN(__glapi_sparc_tls_stub)' |
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101 | print '__glapi_sparc_tls_stub: /* Call offset in %g3 */' |
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102 | print '\tmov\t%o7, %g1' |
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103 | print '\tsethi\t%hi(_GLOBAL_OFFSET_TABLE_-4), %g2' |
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104 | print '\tcall\t__glapi_sparc_get_pc' |
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105 | print '\tadd\t%g2, %lo(_GLOBAL_OFFSET_TABLE_+4), %g2' |
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106 | print '\tmov\t%g1, %o7' |
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107 | print '\tsrl\t%g3, 10, %g3' |
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108 | print '\tsethi\t%tie_hi22(_glapi_tls_Dispatch), %g1' |
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109 | print '\tadd\t%g1, %tie_lo10(_glapi_tls_Dispatch), %g1' |
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110 | print '\tGL_LL\t[%g2 + %g1], %g2, GL_TIE_LD(_glapi_tls_Dispatch)' |
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111 | print '\tGL_LL\t[%g7+%g2], %g1' |
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112 | print '\tGL_LL\t[%g1 + %g3], %g1' |
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113 | print '\tjmp\t%g1' |
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114 | print '\t nop' |
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115 | print '\t.size\t__glapi_sparc_tls_stub, .-__glapi_sparc_tls_stub' |
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116 | print '' |
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117 | print '#define GL_STUB(fn, off)\t\t\t\t\\' |
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118 | print '\tGLOBL_FN(fn);\t\t\t\t\t\\' |
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119 | print 'fn:\tba\t__glapi_sparc_tls_stub;\t\t\t\\' |
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120 | print '\t sethi\tGL_OFF(off), %g3;\t\t\t\\' |
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121 | print '\t.size\tfn,.-fn;' |
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122 | print '' |
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123 | print '#elif defined(PTHREADS)' |
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124 | print '' |
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125 | print '\t/* 64-bit 0x00 --> sethi %hh(_glapi_Dispatch), %g1 */' |
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126 | print '\t/* 64-bit 0x04 --> sethi %lm(_glapi_Dispatch), %g2 */' |
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127 | print '\t/* 64-bit 0x08 --> or %g1, %hm(_glapi_Dispatch), %g1 */' |
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128 | print '\t/* 64-bit 0x0c --> sllx %g1, 32, %g1 */' |
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129 | print '\t/* 64-bit 0x10 --> add %g1, %g2, %g1 */' |
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130 | print '\t/* 64-bit 0x14 --> ldx [%g1 + %lo(_glapi_Dispatch)], %g1 */' |
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131 | print '' |
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132 | print '\t/* 32-bit 0x00 --> sethi %hi(_glapi_Dispatch), %g1 */' |
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133 | print '\t/* 32-bit 0x04 --> ld [%g1 + %lo(_glapi_Dispatch)], %g1 */' |
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134 | print '' |
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135 | print '\t.data' |
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136 | print '\t.align\t32' |
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137 | print '' |
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138 | print '\tGLOBL_FN(__glapi_sparc_pthread_stub)' |
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139 | print '\tHIDDEN(__glapi_sparc_pthread_stub)' |
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140 | print '__glapi_sparc_pthread_stub: /* Call offset in %g3 */' |
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141 | print '\tmov\t%o7, %g1' |
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142 | print '\tsethi\t%hi(_GLOBAL_OFFSET_TABLE_-4), %g2' |
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143 | print '\tcall\t__glapi_sparc_get_pc' |
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144 | print '\t add\t%g2, %lo(_GLOBAL_OFFSET_TABLE_+4), %g2' |
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145 | print '\tmov\t%g1, %o7' |
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146 | print '\tsethi\t%hi(_glapi_Dispatch), %g1' |
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147 | print '\tor\t%g1, %lo(_glapi_Dispatch), %g1' |
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148 | print '\tsrl\t%g3, 10, %g3' |
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149 | print '\tGL_LL\t[%g2+%g1], %g2' |
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150 | print '\tGL_LL\t[%g2], %g1' |
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151 | print '\tcmp\t%g1, 0' |
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152 | print '\tbe\t2f' |
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153 | print '\t nop' |
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154 | print '1:\tGL_LL\t[%g1 + %g3], %g1' |
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155 | print '\tjmp\t%g1' |
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156 | print '\t nop' |
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157 | print '2:\tsave\t%sp, GL_STACK_SIZE, %sp' |
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158 | print '\tmov\t%g3, %l0' |
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159 | print '\tcall\t_glapi_get_dispatch' |
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160 | print '\t nop' |
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161 | print '\tmov\t%o0, %g1' |
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162 | print '\tmov\t%l0, %g3' |
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163 | print '\tba\t1b' |
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164 | print '\t restore %g0, %g0, %g0' |
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165 | print '\t.size\t__glapi_sparc_pthread_stub, .-__glapi_sparc_pthread_stub' |
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166 | print '' |
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167 | print '#define GL_STUB(fn, off)\t\t\t\\' |
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168 | print '\tGLOBL_FN(fn);\t\t\t\t\\' |
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169 | print 'fn:\tba\t__glapi_sparc_pthread_stub;\t\\' |
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170 | print '\t sethi\tGL_OFF(off), %g3;\t\t\\' |
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171 | print '\t.size\tfn,.-fn;' |
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172 | print '' |
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173 | print '#else /* Non-threaded version. */' |
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174 | print '' |
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175 | print '\t.type __glapi_sparc_nothread_stub, @function' |
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176 | print '__glapi_sparc_nothread_stub: /* Call offset in %g3 */' |
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177 | print '\tmov\t%o7, %g1' |
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178 | print '\tsethi\t%hi(_GLOBAL_OFFSET_TABLE_-4), %g2' |
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179 | print '\tcall\t__glapi_sparc_get_pc' |
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180 | print '\t add\t%g2, %lo(_GLOBAL_OFFSET_TABLE_+4), %g2' |
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181 | print '\tmov\t%g1, %o7' |
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182 | print '\tsrl\t%g3, 10, %g3' |
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183 | print '\tsethi\t%hi(_glapi_Dispatch), %g1' |
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184 | print '\tor\t%g1, %lo(_glapi_Dispatch), %g1' |
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185 | print '\tGL_LL\t[%g2+%g1], %g2' |
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186 | print '\tGL_LL\t[%g2], %g1' |
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187 | print '\tGL_LL\t[%g1 + %g3], %g1' |
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188 | print '\tjmp\t%g1' |
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189 | print '\t nop' |
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190 | print '\t.size\t__glapi_sparc_nothread_stub, .-__glapi_sparc_nothread_stub' |
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191 | print '' |
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192 | print '#define GL_STUB(fn, off)\t\t\t\\' |
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193 | print '\tGLOBL_FN(fn);\t\t\t\t\\' |
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194 | print 'fn:\tba\t__glapi_sparc_nothread_stub;\t\\' |
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195 | print '\t sethi\tGL_OFF(off), %g3;\t\t\\' |
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196 | print '\t.size\tfn,.-fn;' |
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197 | print '' |
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198 | print '#endif' |
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199 | print '' |
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200 | print '#define GL_STUB_ALIAS(fn, alias) \\' |
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201 | print ' .globl fn; \\' |
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202 | print ' .set fn, alias' |
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203 | print '' |
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204 | print '\t.text' |
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205 | print '\t.align\t32' |
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206 | print '' |
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207 | print '\t.globl\tgl_dispatch_functions_start' |
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208 | print '\tHIDDEN(gl_dispatch_functions_start)' |
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209 | print 'gl_dispatch_functions_start:' |
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210 | print '' |
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211 | return |
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212 | |||
213 | def printRealFooter(self): |
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214 | print '' |
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215 | print '\t.globl\tgl_dispatch_functions_end' |
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216 | print '\tHIDDEN(gl_dispatch_functions_end)' |
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217 | print 'gl_dispatch_functions_end:' |
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218 | return |
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219 | |||
220 | def printBody(self, api): |
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221 | for f in api.functionIterateByOffset(): |
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222 | name = f.dispatch_name() |
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223 | |||
224 | print '\tGL_STUB(gl%s, %d)' % (name, f.offset) |
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225 | |||
226 | if not f.is_static_entry_point(f.name): |
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227 | print '\tHIDDEN(gl%s)' % (name) |
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228 | |||
229 | for f in api.functionIterateByOffset(): |
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230 | name = f.dispatch_name() |
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231 | |||
232 | if f.is_static_entry_point(f.name): |
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233 | for n in f.entry_points: |
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234 | if n != f.name: |
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235 | text = '\tGL_STUB_ALIAS(gl%s, gl%s)' % (n, f.name) |
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236 | |||
237 | if f.has_different_protocol(n): |
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238 | print '#ifndef GLX_INDIRECT_RENDERING' |
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239 | print text |
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240 | print '#endif' |
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241 | else: |
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242 | print text |
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243 | |||
244 | return |
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245 | |||
246 | |||
247 | def show_usage(): |
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248 | print "Usage: %s [-f input_file_name] [-m output_mode]" % sys.argv[0] |
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249 | sys.exit(1) |
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250 | |||
251 | if __name__ == '__main__': |
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252 | file_name = "gl_API.xml" |
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253 | mode = "generic" |
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254 | |||
255 | try: |
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256 | (args, trail) = getopt.getopt(sys.argv[1:], "m:f:") |
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257 | except Exception,e: |
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258 | show_usage() |
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259 | |||
260 | for (arg,val) in args: |
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261 | if arg == '-m': |
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262 | mode = val |
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263 | elif arg == "-f": |
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264 | file_name = val |
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265 | |||
266 | if mode == "generic": |
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267 | printer = PrintGenericStubs() |
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268 | else: |
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269 | print "ERROR: Invalid mode \"%s\" specified." % mode |
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270 | show_usage() |
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271 | |||
272 | api = gl_XML.parse_GL_API(file_name, glX_XML.glx_item_factory()) |
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273 | printer.Print(api) |