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0
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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_arm64_apple.c
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6 Description: ARM 64-bit Apple ABI implementation
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7 License:
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8
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9 Copyright (c) 2015 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 #include "dyncall_callvm_arm64.h"
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28 #include "dyncall_alloc.h"
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29
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30 static DCCallVM* dc_callvm_new_arm64(DCCallVM_vt* vt, DCsize size)
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31 {
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32 DCCallVM_arm64* p = (DCCallVM_arm64*) dcAllocMem(size);
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33
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34 dc_callvm_base_init(&p->mInterface, vt);
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35
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36 dcVecInit(&p->mVecHead, size);
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37
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38 p->i = 0;
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39 p->f = 0;
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40
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41 return (DCCallVM*)p;
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42 }
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43
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44 static void reset(DCCallVM* in_p)
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45 {
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46 DCCallVM_arm64* p = (DCCallVM_arm64*)in_p;
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47 p->i = 0;
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48 p->f = 0;
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49 dcVecReset(&p->mVecHead);
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50 }
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51
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52
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53 static void mode(DCCallVM* in_p,DCint mode);
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54
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55 static void deinit(DCCallVM* in_p)
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56 {
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57 dcFreeMem(in_p);
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58 }
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59
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60
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61
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62 static void a_i64(DCCallVM* in_p, DClonglong x)
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63 {
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64 DCCallVM_arm64* p = (DCCallVM_arm64*)in_p;
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65 if (p->i < 8) {
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66 p->I[p->i] = x;
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67 p->i++;
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68 } else {
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69 dcVecAlign(&p->mVecHead, sizeof(DClonglong));
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70 dcVecAppend(&p->mVecHead, &x, sizeof(DClonglong));
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71 }
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72 }
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73
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8
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74 static void var_i64 (DCCallVM* in_p, DClonglong x)
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75 {
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76 DCCallVM_arm64* p = (DCCallVM_arm64*)in_p;
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77 dcVecAlign(&p->mVecHead, sizeof(DClonglong));
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78 dcVecAppend(&p->mVecHead, &x, sizeof(DClonglong));
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79 }
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80 static void var_bool (DCCallVM* in_p, DCbool x) { var_i64( in_p, ((DClonglong) x) ); }
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81 static void var_char (DCCallVM* in_p, DCchar x) { var_i64( in_p, ((DClonglong) x) ); }
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82 static void var_short (DCCallVM* in_p, DCshort x) { var_i64( in_p, ((DClonglong) x) ); }
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83 static void var_int (DCCallVM* in_p, DCint x) { var_i64( in_p, ((DClonglong) x) ); }
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84 static void var_long (DCCallVM* in_p, DClong x) { var_i64( in_p, ((DClonglong) x) ); }
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12
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85 static void var_double (DCCallVM* in_p, DCdouble x) {
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8
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86 DCCallVM_arm64* p = (DCCallVM_arm64*)in_p;
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87 dcVecAlign(&p->mVecHead, sizeof(DCdouble));
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88 dcVecAppend(&p->mVecHead, &x, sizeof(DCdouble));
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89 }
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90 static void var_float (DCCallVM* in_p, DCfloat x) {
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91 var_double( in_p, (DCdouble) x );
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92 }
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93 static void var_pointer (DCCallVM* in_p, DCpointer x) {
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94 var_i64(in_p, (DClonglong) x );
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95 }
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96
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0
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97 static void a_bool (DCCallVM* in_p, DCbool x)
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98 {
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99 DCCallVM_arm64* p = (DCCallVM_arm64*)in_p;
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100 if (p->i < 8) {
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101 p->I[p->i] = (DClonglong) x;
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102 p->i++;
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103 } else {
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104 dcVecAlign(&p->mVecHead, sizeof(DCbool));
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105 dcVecAppend(&p->mVecHead, &x, sizeof(DCbool));
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106 }
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107 }
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108 static void a_char (DCCallVM* in_p, DCchar x)
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109 {
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110 DCCallVM_arm64* p = (DCCallVM_arm64*)in_p;
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111 if (p->i < 8) {
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112 p->I[p->i] = (DClonglong) x;
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113 p->i++;
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114 } else {
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115 dcVecAppend(&p->mVecHead, &x, sizeof(DCchar));
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116 }
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117 }
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118 static void a_short (DCCallVM* in_p, DCshort x)
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119 {
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120 DCCallVM_arm64* p = (DCCallVM_arm64*)in_p;
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121 if (p->i < 8) {
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122 p->I[p->i] = (DClonglong) x;
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123 p->i++;
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124 } else {
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125 dcVecAlign(&p->mVecHead, sizeof(DCshort));
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126 dcVecAppend(&p->mVecHead, &x, sizeof(DCshort));
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127 }
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128 }
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129 static void a_int (DCCallVM* in_p, DCint x)
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130 {
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131 DCCallVM_arm64* p = (DCCallVM_arm64*)in_p;
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132 if (p->i < 8) {
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133 p->I[p->i] = (DClonglong) x;
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134 p->i++;
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135 } else {
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136 dcVecAlign(&p->mVecHead, sizeof(DCint));
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137 dcVecAppend(&p->mVecHead, &x, sizeof(DCint));
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138 }
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139 }
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140 static void a_long (DCCallVM* in_p, DClong x)
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141 {
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142 DCCallVM_arm64* p = (DCCallVM_arm64*)in_p;
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143 if (p->i < 8) {
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144 p->I[p->i] = (DClonglong) x;
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145 p->i++;
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146 } else {
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147 dcVecAlign(&p->mVecHead, sizeof(DClong));
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148 dcVecAppend(&p->mVecHead, &x, sizeof(DClong));
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149 }
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150 }
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151 static void a_pointer (DCCallVM* in_p, DCpointer x) { a_i64(in_p, (DClonglong) x ); }
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152
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153 static void a_float(DCCallVM* in_p, DCfloat x)
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154 {
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155 DCCallVM_arm64* p = (DCCallVM_arm64*)in_p;
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156
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157 if (p->f < 8) {
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158 p->u.S[ p->f << 1 ] = x;
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159 p->f++;
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160 } else {
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161 dcVecAlign(&p->mVecHead, sizeof(DCfloat));
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162 dcVecAppend(&p->mVecHead, &x, sizeof(DCfloat));
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163 }
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164 }
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165
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166 static void a_double(DCCallVM* in_p, DCdouble x)
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167 {
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168 DCCallVM_arm64* p = (DCCallVM_arm64*)in_p;
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169 if (p->f < 8) {
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170 p->u.D[ p->f ] = x;
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171 p->f++;
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172 } else {
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173 dcVecAlign(&p->mVecHead, sizeof(DCdouble));
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174 dcVecAppend(&p->mVecHead, &x, sizeof(DCdouble));
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175 }
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176 }
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177
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178 void call(DCCallVM* in_p, DCpointer target)
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179 {
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180 DCCallVM_arm64* p = (DCCallVM_arm64*)in_p;
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181
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182 /*
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183 ** copy 'size' argument is given in number of 16-byte 'pair' blocks.
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184 */
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185
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186 dcCall_arm64(target, dcVecData(&p->mVecHead), ( dcVecSize(&p->mVecHead) + 15 ) & -16, &p->u.S[0]);
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187 }
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188
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189 DCCallVM_vt vt_arm64 =
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190 {
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191 &deinit
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192 , &reset
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193 , &mode
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194 , &a_bool
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195 , &a_char
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196 , &a_short
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197 , &a_int
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198 , &a_long
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199 , &a_i64
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200 , &a_float
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201 , &a_double
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202 , &a_pointer
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203 , NULL /* argStruct */
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204 , (DCvoidvmfunc*) &call
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205 , (DCboolvmfunc*) &call
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206 , (DCcharvmfunc*) &call
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207 , (DCshortvmfunc*) &call
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208 , (DCintvmfunc*) &call
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209 , (DClongvmfunc*) &call
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210 , (DClonglongvmfunc*) &call
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211 , (DCfloatvmfunc*) &call
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212 , (DCdoublevmfunc*) &call
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213 , (DCpointervmfunc*) &call
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214 , NULL /* callStruct */
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215 };
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216
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217 DCCallVM_vt vt_arm64_variadic =
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218 {
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219 &deinit
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220 , &reset
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221 , &mode
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222 , &var_bool
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223 , &var_char
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224 , &var_short
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225 , &var_int
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226 , &var_long
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227 , &var_i64
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228 , &var_float
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229 , &var_double
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230 , &var_pointer
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231 , NULL /* argStruct */
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232 , (DCvoidvmfunc*) &call
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233 , (DCboolvmfunc*) &call
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234 , (DCcharvmfunc*) &call
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235 , (DCshortvmfunc*) &call
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236 , (DCintvmfunc*) &call
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237 , (DClongvmfunc*) &call
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238 , (DClonglongvmfunc*) &call
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239 , (DCfloatvmfunc*) &call
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240 , (DCdoublevmfunc*) &call
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241 , (DCpointervmfunc*) &call
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242 , NULL /* callStruct */
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243 };
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244
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245
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0
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246 DCCallVM* dcNewCallVM(DCsize size)
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247 {
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248 return dc_callvm_new_arm64(&vt_arm64, size);
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249 }
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250
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251 static void mode(DCCallVM* in_self,DCint mode)
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252 {
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253 DCCallVM_arm64* self = (DCCallVM_arm64*) in_self;
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254 DCCallVM_vt* vt;
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255 switch(mode) {
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256 case DC_CALL_C_DEFAULT:
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257 case DC_CALL_C_ARM64:
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258 vt = &vt_arm64;
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259 break;
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260 case DC_CALL_C_ELLIPSIS:
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261 vt = &vt_arm64;
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262 break;
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263 case DC_CALL_C_ELLIPSIS_VARARGS:
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264 vt = &vt_arm64_variadic;
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265 break;
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0
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266 default:
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267 in_self->mError = DC_ERROR_UNSUPPORTED_MODE;
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268 return;
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269 }
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270 self->mInterface.mVTpointer = vt;
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271 }
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272
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