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1 /*
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2
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3 Package: dyncall
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4 Library: dyncall
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5 File: dyncall/dyncall_callvm_ppc32.c
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6 Description:
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7 License:
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8
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281
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9 Copyright (c) 2007-2018 Daniel Adler <dadler@uni-goettingen.de>,
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10 Tassilo Philipp <tphilipp@potion-studios.com>
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11
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12 Permission to use, copy, modify, and distribute this software for any
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13 purpose with or without fee is hereby granted, provided that the above
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14 copyright notice and this permission notice appear in all copies.
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15
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16 THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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17 WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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18 MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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19 ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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20 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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21 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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22 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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23
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24 */
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25
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26
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27
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28 /*
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29
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30 dyncall callvm for ppc32 architectures
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31
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32 SUPPORTED CALLING CONVENTIONS
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33 ppc32/osx
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34 ppc32/linux (sysv abi)
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35 ppc32/syscall
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36
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37 REVISION
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38 2015/01/15 added syscall (tested on Linux)
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39 2009/01/09 added System V ABI support
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40 2007/12/11 initial support for Darwin ABI
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41
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42 */
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43
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44 #include "dyncall_callvm_ppc32.h"
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45 #include "dyncall_call_ppc32.h"
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46 #include "dyncall_alloc.h"
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47 #include "dyncall_macros.h"
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48 #include "dyncall_types.h"
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49 #include "dyncall_utils.h"
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50
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51 /* Support for Mac OS X (Darwin) and Systen V ABI for Power PC 32-bit */
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52
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184
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53 #if defined(DC_UNIX)
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54 # if defined(DC__OS_Darwin)
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55 # define DC__ABI_Darwin
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56 # else
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57 # define DC__ABI_SysV
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58 # endif
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0
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59 #else
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84
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60 # error Unsupported OS for ppc32 architecture.
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61 #endif
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62
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63 static void dc_callvm_free_ppc32(DCCallVM* in_self)
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64 {
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65 dcFreeMem(in_self);
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66 }
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67
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68 static void dc_callvm_reset_ppc32(DCCallVM* in_self)
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69 {
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70 DCCallVM_ppc32* self = (DCCallVM_ppc32*)in_self;
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71 dcVecReset(&self->mVecHead);
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72 self->mIntRegs = 0;
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73 self->mFloatRegs = 0;
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74 }
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75
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76 /* OS X/Darwin: fillup integer register file AND push on stack (for ellipsis) */
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77
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78 static void dc_callvm_argInt_ppc32_darwin(DCCallVM* in_self, DCint i)
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79 {
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80 DCCallVM_ppc32* self = (DCCallVM_ppc32*)in_self;
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81 /* fillup integer register file */
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82 if (self->mIntRegs < 8)
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83 self->mRegData.mIntData[self->mIntRegs++] = i;
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84 /* AND push onto stack */
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85 dcVecAppend(&self->mVecHead,&i,sizeof(DCint));
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86 }
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87
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88 static void dc_callvm_argInt_ppc32_sysv(DCCallVM* in_self, DCint i)
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89 {
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90 DCCallVM_ppc32* self = (DCCallVM_ppc32*)in_self;
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91 /* fillup integer register file */
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92 if (self->mIntRegs < 8)
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93 self->mRegData.mIntData[self->mIntRegs++] = i;
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94 /* OR push onto stack */
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95 else
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96 dcVecAppend(&self->mVecHead,&i,sizeof(DCint));
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97 }
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98
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99 /** floating-point **/
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100
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101 /* double*/
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102
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103 static void dc_callvm_argDouble_ppc32_darwin(DCCallVM* in_self, DCdouble d)
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104 {
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105 DCCallVM_ppc32* self = (DCCallVM_ppc32*)in_self;
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106 if (self->mFloatRegs < 13) {
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107 self->mRegData.mFloatData[self->mFloatRegs++] = d;
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108 /* skip two integer register file entries */
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109 if (self->mIntRegs < 8)
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110 self->mRegData.mIntData[self->mIntRegs++] = ( (DCint*) &d )[0];
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111 if (self->mIntRegs < 8)
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112 self->mRegData.mIntData[self->mIntRegs++] = ( (DCint*) &d )[1];
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113 }
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114 /* push on stack */
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115 dcVecAppend(&self->mVecHead, &d, sizeof(DCdouble));
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116 }
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117
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118 #if 0
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119 static void dc_callvm_argDouble_ppc32_sysv(DCCallVM* in_self, DCdouble d)
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120 {
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121 DCCallVM_ppc32* self = (DCCallVM_ppc32*)in_self;
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122 if (self->mFloatRegs < 8) {
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123 self->mRegData.mFloatData[self->mFloatRegs++] = d;
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124 /* skip two integer register file entries */
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125 if (self->mIntRegs < 8)
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126 self->mRegData.mIntData[self->mIntRegs++] = ( (DCint*) &d )[0];
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127 if (self->mIntRegs < 8)
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128 self->mRegData.mIntData[self->mIntRegs++] = ( (DCint*) &d )[1];
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129 }
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130 /* push on stack */
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131 dcVecAppend(&self->mVecHead, &d, sizeof(DCdouble));
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132 }
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133 #endif
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134 static void dc_callvm_argDouble_ppc32_sysv(DCCallVM* in_self, DCdouble d)
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135 {
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136 DCCallVM_ppc32* self = (DCCallVM_ppc32*)in_self;
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137 if (self->mFloatRegs < 8)
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138 self->mRegData.mFloatData[self->mFloatRegs++] = d;
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139 else /* OR push data on stack */
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140 {
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141 /* align stack to 8 byte boundary */
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142 dcVecResize(&self->mVecHead , ( dcVecSize(&self->mVecHead) + 7UL ) & -8UL );
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143 /* AND push data */
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144 dcVecAppend(&self->mVecHead,(DCpointer) &d,sizeof(DCdouble));
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145 }
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146 }
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147
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148 /* Floating-point */
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149
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150
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151 /* darwin:
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152 * - skip one integer register file entry (write in - for ellipsis calls)
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153 * sysv:
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154 * -
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155 */
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156
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157 static void dc_callvm_argFloat_ppc32_darwin(DCCallVM* in_self, DCfloat f)
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158 {
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159 DCCallVM_ppc32* self = (DCCallVM_ppc32*)in_self;
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160 if (self->mFloatRegs < 13) {
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161 self->mRegData.mFloatData[self->mFloatRegs++] = (DCdouble) (f);
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162 }
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163
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164 /* AND skip one integer register file entry (write in - for ellipsis calls) */
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165
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166 if (self->mIntRegs < 8)
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167 self->mRegData.mIntData[self->mIntRegs++] = *( (DCint*) &f );
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168
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169 /* AND push on stack */
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170
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171 dcVecAppend(&self->mVecHead, &f, sizeof(DCfloat));
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172 }
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173
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174 static void dc_callvm_argFloat_ppc32_sysv(DCCallVM* in_self, DCfloat f)
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175 {
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176 DCCallVM_ppc32* self = (DCCallVM_ppc32*)in_self;
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177
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178 /* Put as float register (casted to double) */
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179
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180 if (self->mFloatRegs < 8)
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181 self->mRegData.mFloatData[self->mFloatRegs++] = (DCdouble) (f);
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182
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183 else /* OR put float on stack */
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184 dcVecAppend(&self->mVecHead, &f, sizeof(DCfloat));
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185 }
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186
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187 /* long long integer */
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188
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189 static void dc_callvm_argLongLong_ppc32_darwin(DCCallVM* in_self, DClonglong L)
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190 {
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191 DCint* p = (DCint*) &L;
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192 dcArgInt(in_self, p[0]);
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193 dcArgInt(in_self, p[1]);
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194 }
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195
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196 static void dc_callvm_argLongLong_ppc32_sysv(DCCallVM* in_self, DClonglong L)
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197 {
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198 DCint* p = (DCint*) &L;
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199 DCCallVM_ppc32* self = (DCCallVM_ppc32*)in_self;
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200 /* fillup integer register file */
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201 if (self->mIntRegs < 7)
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202 {
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203 /* next free integer register is even (r0, r2, r3) ? */
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204 /* if not, skip one integer */
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205 if (self->mIntRegs & 1) self->mIntRegs++;
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206
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207 self->mRegData.mIntData[self->mIntRegs++] = p[0];
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208 self->mRegData.mIntData[self->mIntRegs++] = p[1];
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209 }
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210 /* OR push onto stack */
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211 else
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212 {
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213 /* in case, mIntRegs == 7, set it to 8 */
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214 self->mIntRegs = 8;
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215 /* align stack to 8 byte boundary */
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216 dcVecResize(&self->mVecHead , ( dcVecSize(&self->mVecHead) + 7 ) & (-8UL) );
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217 /* push data */
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218 dcVecAppend(&self->mVecHead,&L,sizeof(DClonglong));
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219 }
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220 }
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221
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222
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223 static void dc_callvm_argBool_ppc32(DCCallVM* in_self, DCbool x)
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224 {
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225 /* promote to integer */
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226 dcArgInt(in_self, (x == 0) ? DC_FALSE : DC_TRUE );
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227 }
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228
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229
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230 static void dc_callvm_argChar_ppc32(DCCallVM* in_self, DCchar ch)
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231 {
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232 /* promote to integer */
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233 dcArgInt(in_self, (DCint) ch );
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234 }
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235
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236
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237 static void dc_callvm_argShort_ppc32(DCCallVM* in_self, DCshort s)
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238 {
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239 /* promote to integer */
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240 dcArgInt(in_self, (DCint) s );
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241 }
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242
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243
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244 static void dc_callvm_argLong_ppc32(DCCallVM* in_self, DClong l)
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245 {
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246 /* promote to integer */
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247 dcArgInt(in_self, (DCint) l );
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248 }
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249
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250 static void dc_callvm_argPointer_ppc32(DCCallVM* in_self, DCpointer p)
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251 {
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252 /* promote to integer */
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253 dcArgInt(in_self, *(DCint*) &p );
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254 }
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255
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256
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257 void dc_callvm_call_ppc32_darwin(DCCallVM* in_self, DCpointer target)
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258 {
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259 DCCallVM_ppc32* self = (DCCallVM_ppc32*)in_self;
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260 dcCall_ppc32_darwin(
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261 target,
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262 &self->mRegData,
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263 DC_MAX(dcVecSize(&self->mVecHead), 8*4),
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264 dcVecData(&self->mVecHead)
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265 );
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266 }
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267
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268 void dc_callvm_call_ppc32_sysv(DCCallVM* in_self, DCpointer target)
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269 {
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270 DCCallVM_ppc32* self = (DCCallVM_ppc32*) in_self;
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271 dcCall_ppc32_sysv( target, &self->mRegData, dcVecSize(&self->mVecHead) , dcVecData(&self->mVecHead));
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272 }
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273
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274 void dc_callvm_call_ppc32_syscall(DCCallVM* in_self, DCpointer target)
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275 {
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276 DCCallVM_ppc32* self = (DCCallVM_ppc32*) in_self;
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277 dcCall_ppc32_syscall( target, &self->mRegData, dcVecSize(&self->mVecHead) , dcVecData(&self->mVecHead));
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278 }
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279
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280 void dc_callvm_mode_ppc32(DCCallVM* in_self, DCint mode);
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281
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282 DCCallVM_vt gVT_ppc32_darwin =
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283 {
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284 &dc_callvm_free_ppc32
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285 , &dc_callvm_reset_ppc32
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286 , &dc_callvm_mode_ppc32
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287 , &dc_callvm_argBool_ppc32
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288 , &dc_callvm_argChar_ppc32
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289 , &dc_callvm_argShort_ppc32
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290 , &dc_callvm_argInt_ppc32_darwin
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291 , &dc_callvm_argLong_ppc32
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292 , &dc_callvm_argLongLong_ppc32_darwin
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293 , &dc_callvm_argFloat_ppc32_darwin
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294 , &dc_callvm_argDouble_ppc32_darwin
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295 , &dc_callvm_argPointer_ppc32
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296 , NULL /* argStruct */
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297 , (DCvoidvmfunc*) &dc_callvm_call_ppc32_darwin
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298 , (DCboolvmfunc*) &dc_callvm_call_ppc32_darwin
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299 , (DCcharvmfunc*) &dc_callvm_call_ppc32_darwin
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300 , (DCshortvmfunc*) &dc_callvm_call_ppc32_darwin
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301 , (DCintvmfunc*) &dc_callvm_call_ppc32_darwin
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302 , (DClongvmfunc*) &dc_callvm_call_ppc32_darwin
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303 , (DClonglongvmfunc*) &dc_callvm_call_ppc32_darwin
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304 , (DCfloatvmfunc*) &dc_callvm_call_ppc32_darwin
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305 , (DCdoublevmfunc*) &dc_callvm_call_ppc32_darwin
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306 , (DCpointervmfunc*) &dc_callvm_call_ppc32_darwin
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307 , NULL /* callStruct */
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308 };
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309
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310 DCCallVM_vt gVT_ppc32_sysv =
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311 {
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312 &dc_callvm_free_ppc32
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313 , &dc_callvm_reset_ppc32
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314 , &dc_callvm_mode_ppc32
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315 , &dc_callvm_argBool_ppc32
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316 , &dc_callvm_argChar_ppc32
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317 , &dc_callvm_argShort_ppc32
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318 , &dc_callvm_argInt_ppc32_sysv
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319 , &dc_callvm_argLong_ppc32
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320 , &dc_callvm_argLongLong_ppc32_sysv
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321 , &dc_callvm_argFloat_ppc32_sysv
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322 , &dc_callvm_argDouble_ppc32_sysv
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323 , &dc_callvm_argPointer_ppc32
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324 , NULL /* argStruct */
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325 , (DCvoidvmfunc*) &dc_callvm_call_ppc32_sysv
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326 , (DCboolvmfunc*) &dc_callvm_call_ppc32_sysv
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327 , (DCcharvmfunc*) &dc_callvm_call_ppc32_sysv
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328 , (DCshortvmfunc*) &dc_callvm_call_ppc32_sysv
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329 , (DCintvmfunc*) &dc_callvm_call_ppc32_sysv
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330 , (DClongvmfunc*) &dc_callvm_call_ppc32_sysv
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331 , (DClonglongvmfunc*) &dc_callvm_call_ppc32_sysv
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332 , (DCfloatvmfunc*) &dc_callvm_call_ppc32_sysv
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333 , (DCdoublevmfunc*) &dc_callvm_call_ppc32_sysv
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334 , (DCpointervmfunc*) &dc_callvm_call_ppc32_sysv
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335 , NULL /* callStruct */
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336 };
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337
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338 DCCallVM_vt gVT_ppc32_syscall =
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339 {
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340 &dc_callvm_free_ppc32
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341 , &dc_callvm_reset_ppc32
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342 , &dc_callvm_mode_ppc32
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343 , &dc_callvm_argBool_ppc32
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344 , &dc_callvm_argChar_ppc32
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345 , &dc_callvm_argShort_ppc32
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346 , &dc_callvm_argInt_ppc32_sysv
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347 , &dc_callvm_argLong_ppc32
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348 , &dc_callvm_argLongLong_ppc32_sysv
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349 , &dc_callvm_argFloat_ppc32_sysv
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350 , &dc_callvm_argDouble_ppc32_sysv
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351 , &dc_callvm_argPointer_ppc32
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352 , NULL /* argStruct */
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353 , (DCvoidvmfunc*) &dc_callvm_call_ppc32_syscall
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354 , (DCboolvmfunc*) &dc_callvm_call_ppc32_syscall
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355 , (DCcharvmfunc*) &dc_callvm_call_ppc32_syscall
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356 , (DCshortvmfunc*) &dc_callvm_call_ppc32_syscall
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357 , (DCintvmfunc*) &dc_callvm_call_ppc32_syscall
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358 , (DClongvmfunc*) &dc_callvm_call_ppc32_syscall
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359 , (DClonglongvmfunc*) &dc_callvm_call_ppc32_syscall
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360 , (DCfloatvmfunc*) &dc_callvm_call_ppc32_syscall
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361 , (DCdoublevmfunc*) &dc_callvm_call_ppc32_syscall
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362 , (DCpointervmfunc*) &dc_callvm_call_ppc32_syscall
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363 , NULL /* callStruct */
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364 };
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365
|
|
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366
|
|
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367 void dc_callvm_mode_ppc32(DCCallVM* in_self, DCint mode)
|
|
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368 {
|
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84
|
369 DCCallVM_ppc32* self = (DCCallVM_ppc32*)in_self;
|
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0
|
370 DCCallVM_vt* vt;
|
|
84
|
371
|
|
0
|
372 switch(mode) {
|
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373
|
|
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374 #if defined(DC__ABI_Darwin)
|
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375 case DC_CALL_C_DEFAULT:
|
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376 case DC_CALL_C_ELLIPSIS:
|
|
|
377 case DC_CALL_C_ELLIPSIS_VARARGS:
|
|
|
378 #endif
|
|
84
|
379 case DC_CALL_C_PPC32_OSX:
|
|
0
|
380 vt = &gVT_ppc32_darwin;
|
|
|
381 break;
|
|
|
382
|
|
|
383 #if defined(DC__ABI_SysV)
|
|
|
384 case DC_CALL_C_DEFAULT:
|
|
|
385 case DC_CALL_C_ELLIPSIS:
|
|
|
386 case DC_CALL_C_ELLIPSIS_VARARGS:
|
|
|
387 #endif
|
|
84
|
388 case DC_CALL_C_PPC32_SYSV:
|
|
0
|
389 vt = &gVT_ppc32_sysv;
|
|
|
390 break;
|
|
|
391
|
|
|
392 case DC_CALL_SYS_DEFAULT:
|
|
|
393 case DC_CALL_SYS_PPC32:
|
|
|
394 vt = &gVT_ppc32_syscall;
|
|
|
395 break;
|
|
|
396
|
|
|
397 default:
|
|
|
398 self->mInterface.mError = DC_ERROR_UNSUPPORTED_MODE;
|
|
|
399 return;
|
|
|
400 }
|
|
84
|
401
|
|
0
|
402 dc_callvm_base_init(&self->mInterface, vt);
|
|
|
403 }
|
|
|
404
|
|
84
|
405 /* Public API. */
|
|
0
|
406 DCCallVM* dcNewCallVM(DCsize size)
|
|
|
407 {
|
|
84
|
408 DCCallVM_ppc32* p = (DCCallVM_ppc32*)dcAllocMem(sizeof(DCCallVM_ppc32)+size);
|
|
|
409
|
|
|
410 dc_callvm_mode_ppc32((DCCallVM*)p, DC_CALL_C_DEFAULT);
|
|
|
411
|
|
|
412 dcVecInit(&p->mVecHead, size);
|
|
|
413 dc_callvm_reset_ppc32((DCCallVM*)p);
|
|
|
414
|
|
|
415 return (DCCallVM*)p;
|
|
0
|
416 }
|
|
|
417
|
