Mercurial > pub > dyncall > dyncall
annotate dyncall/dyncall_callvm_ppc64.c @ 533:71c884e610f0
- integration of patches from Raphael Luba, Thekla, Inc.:
* integration of aggregate-by-value (struct, union) support patch for x64 (win and sysv)
* windows/x64 asm additions to specify how stack unwinds (help for debuggers, exception handling, etc.)
* see Changelog for details
- new calling convention modes for thiscalls (platform agnostic, was specific before)
* new signature character for platform agnostic thiscalls ('*' / DC_SIGCHAR_CC_THISCALL)
- dcCallF(), dcVCallF(), dcArgF() and dcVArgF():
* added support for aggregates-by-value (wasn't part of patch)
* change that those functions don't implicitly call dcReset() anymore, which was unflexible (breaking change)
- added macros to feature test implementation for aggregate-by-value and syscall support
- changed libdyncall_s.lib and libdyncallback_s.lib order in callback test makefiles, as some toolchains are picky about order
- doc:
* man page updates to describe aggregate interface
* manual overview changes to highlight platforms with aggregate-by-value support
- test/plain: replaced tests w/ old/stale sctruct interface with new aggregate one
| author | Tassilo Philipp |
|---|---|
| date | Thu, 21 Apr 2022 13:35:47 +0200 |
| parents | ddfb9577a00e |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 | |
| 3 Package: dyncall | |
| 4 Library: dyncall | |
| 5 File: dyncall/dyncall_callvm_ppc64.c | |
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6 Description: |
| 0 | 7 License: |
| 8 | |
| 9 Copyright (c) 2014-2015 Masanori Mitsugi <mitsugi@linux.vnet.ibm.com> | |
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10 2020 Tassilo Philipp <tphilipp@potion-studios.com> |
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11 |
| 0 | 12 |
| 13 Permission to use, copy, modify, and distribute this software for any | |
| 14 purpose with or without fee is hereby granted, provided that the above | |
| 15 copyright notice and this permission notice appear in all copies. | |
| 16 | |
| 17 THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
| 18 WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
| 19 MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |
| 20 ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
| 21 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
| 22 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
| 23 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
| 24 | |
| 25 */ | |
| 26 | |
| 27 | |
| 28 /* | |
| 29 | |
| 30 dyncall callvm for ppc64 architectures | |
| 31 | |
| 32 SUPPORTED CALLING CONVENTIONS | |
| 33 ppc64/linux | |
| 7 | 34 ppc64/syscall |
| 0 | 35 |
| 36 REVISION | |
| 7 | 37 2015/07/08 added syscall |
| 0 | 38 2014/08/07 initial support |
| 39 | |
| 40 */ | |
| 41 | |
| 42 #include "dyncall_callvm_ppc64.h" | |
| 43 #include "dyncall_alloc.h" | |
| 44 #include "dyncall_macros.h" | |
| 45 #include "dyncall_types.h" | |
| 46 | |
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47 |
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48 /* |
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49 ** PowerPC 64-bit calling convention call |
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50 ** |
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51 ** - hybrid return-type call (bool ... pointer) |
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52 ** |
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53 */ |
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54 |
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55 void dcCall_ppc64(DCpointer target, DCRegData_ppc64* ppc64data, DCsize stksize, DCpointer stkdata); |
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56 |
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57 /* syscall */ |
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58 void dcCall_ppc64_syscall(DCpointer target, DCRegData_ppc64* ppc64data, DCsize stksize, DCpointer stkdata); |
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59 |
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60 |
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61 |
| 0 | 62 /* Support for Power PC 64-bit */ |
| 63 | |
| 64 static void dc_callvm_free_ppc64(DCCallVM* in_self) | |
| 65 { | |
| 66 dcFreeMem(in_self); | |
| 67 } | |
| 68 | |
| 69 static void dc_callvm_reset_ppc64(DCCallVM* in_self) | |
| 70 { | |
| 71 DCCallVM_ppc64* self = (DCCallVM_ppc64*)in_self; | |
| 72 dcVecReset(&self->mVecHead); | |
| 73 self->mIntRegs = 0; | |
| 74 self->mFloatRegs = 0; | |
| 75 } | |
| 76 | |
| 77 /* fillup integer register file AND push on stack (for ellipsis) */ | |
| 78 | |
| 79 static void dc_callvm_argInt_ppc64(DCCallVM* in_self, DCint i) | |
| 80 { | |
| 81 /* promote to longlong */ | |
| 82 dcArgLongLong(in_self, (DClonglong)i); | |
| 83 } | |
| 84 | |
| 85 /** floating-point **/ | |
| 86 | |
| 87 /* double*/ | |
| 88 | |
| 89 static void dc_callvm_argDouble_ppc64(DCCallVM* in_self, DCdouble d) | |
| 90 { | |
| 91 DCCallVM_ppc64* self = (DCCallVM_ppc64*)in_self; | |
| 92 | |
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93 if (self->mFloatRegs < 13) { |
| 0 | 94 self->mRegData.mFloatData[self->mFloatRegs++] = d; |
| 95 if (self->mIntRegs < 8) { | |
| 96 self->mRegData.mIntData[self->mIntRegs++] = *( (DClonglong*) &d ); | |
| 97 #if DC__ABI_PPC64_ELF_V == 2 | |
| 98 return; | |
| 99 #endif | |
| 100 } | |
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101 } |
| 0 | 102 |
| 103 #if DC__ABI_PPC64_ELF_V == 2 | |
| 104 if (dcVecSize(&self->mVecHead) == 0) { | |
| 105 dcVecSkip(&self->mVecHead,sizeof(DClonglong)*8); | |
| 106 } | |
| 107 #endif | |
| 108 | |
| 109 /* push on stack */ | |
| 110 dcVecAppend(&self->mVecHead,(DCpointer) &d,sizeof(DCdouble)); | |
| 111 } | |
| 112 | |
| 113 #if DC__ABI_PPC64_ELF_V == 2 | |
| 114 static void dc_callvm_argDouble_ppc64_ellipsis(DCCallVM* in_self, DCdouble d) | |
| 115 { | |
| 116 DCCallVM_ppc64* self = (DCCallVM_ppc64*)in_self; | |
| 117 | |
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118 if (dcVecSize(&self->mVecHead) == 0) |
| 0 | 119 dcVecSkip(&self->mVecHead,(sizeof(DClonglong))*(self->mIntRegs)); |
| 120 | |
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121 if (self->mFloatRegs < 13) { |
| 0 | 122 self->mRegData.mFloatData[self->mFloatRegs++] = d; |
| 123 if (self->mIntRegs < 8) { | |
| 124 self->mRegData.mIntData[self->mIntRegs++] = *( (DClonglong*) &d ); | |
| 125 } | |
| 126 } | |
| 127 | |
| 128 /* push on stack */ | |
| 129 dcVecAppend(&self->mVecHead,(DCpointer) &d,sizeof(DCdouble)); | |
| 130 } | |
| 131 #endif | |
| 132 | |
| 133 | |
| 134 /* Floating-point */ | |
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135 |
| 0 | 136 static void dc_callvm_argFloat_ppc64(DCCallVM* in_self, DCfloat f) |
| 137 { | |
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138 DCCallVM_ppc64* self = (DCCallVM_ppc64*)in_self; |
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139 |
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140 DCdouble d; |
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141 #if defined(DC__Endian_BIG) |
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142 struct { DCfloat f_pad; DCfloat f; } sf; |
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143 #else /* Endian_LITTLE */ |
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144 struct { DCfloat f; DCfloat f_pad; } sf; |
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145 #endif |
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146 |
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147 if (self->mFloatRegs < 13) { |
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148 d = (DCdouble)f; |
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149 self->mRegData.mFloatData[self->mFloatRegs++] = d; |
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150 if (self->mIntRegs < 8) { |
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151 self->mRegData.mIntData[self->mIntRegs++] = *( (DClonglong*) &d ); |
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152 #if DC__ABI_PPC64_ELF_V == 2 |
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153 return; |
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154 #endif |
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155 } |
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156 } |
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157 |
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158 #if DC__ABI_PPC64_ELF_V == 2 |
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159 if (dcVecSize(&self->mVecHead) == 0) { |
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160 dcVecSkip(&self->mVecHead,sizeof(DClonglong)*8); |
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161 } |
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162 #endif |
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163 |
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164 /* push on stack */ |
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165 sf.f = f; |
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166 dcVecAppend(&self->mVecHead,(DCpointer) &sf,sizeof(DCdouble)); |
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167 } |
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168 |
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169 #if DC__ABI_PPC64_ELF_V == 2 |
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170 static void dc_callvm_argFloat_ppc64_ellipsis(DCCallVM* in_self, DCfloat f) |
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171 { |
| 0 | 172 /* promote to double */ |
| 173 dcArgDouble(in_self, (DCdouble) f ); | |
| 174 } | |
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175 #endif |
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176 |
| 0 | 177 |
| 178 /* long long integer */ | |
| 179 | |
| 180 static void dc_callvm_argLongLong_ppc64(DCCallVM* in_self, DClonglong L) | |
| 181 { | |
| 182 DCCallVM_ppc64* self = (DCCallVM_ppc64*)in_self; | |
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183 |
| 0 | 184 /* fillup integer register file */ |
| 185 if (self->mIntRegs < 8) { | |
| 186 self->mRegData.mIntData[self->mIntRegs++] = L; | |
| 187 #if DC__ABI_PPC64_ELF_V == 2 | |
| 188 return; | |
| 189 #endif | |
| 190 } | |
| 191 | |
| 192 #if DC__ABI_PPC64_ELF_V == 2 | |
| 193 if (dcVecSize(&self->mVecHead) == 0) { | |
| 194 dcVecSkip(&self->mVecHead,sizeof(DClonglong)*8); | |
| 195 } | |
| 196 #endif | |
| 197 | |
| 198 /* push on stack */ | |
| 199 dcVecAppend(&self->mVecHead,&L,sizeof(DClonglong)); | |
| 200 } | |
| 201 | |
| 202 #if DC__ABI_PPC64_ELF_V == 2 | |
| 203 static void dc_callvm_argLongLong_ppc64_ellipsis(DCCallVM* in_self, DClonglong L) | |
| 204 { | |
| 205 DCCallVM_ppc64* self = (DCCallVM_ppc64*)in_self; | |
| 206 | |
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207 if (dcVecSize(&self->mVecHead) == 0) |
| 0 | 208 dcVecSkip(&self->mVecHead,(sizeof(DClonglong))*(self->mIntRegs)); |
| 209 | |
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210 if (self->mIntRegs < 8) |
| 0 | 211 self->mRegData.mIntData[self->mIntRegs++] = L; |
| 212 | |
| 213 /* push on stack */ | |
| 214 dcVecAppend(&self->mVecHead,&L,sizeof(DClonglong)); | |
| 215 } | |
| 216 #endif | |
| 217 | |
| 218 | |
| 219 static void dc_callvm_argBool_ppc64(DCCallVM* in_self, DCbool x) | |
| 220 { | |
| 221 /* promote to longlong */ | |
| 222 dcArgLongLong(in_self, (DClonglong) x ); | |
| 223 } | |
| 224 | |
| 225 | |
| 226 static void dc_callvm_argChar_ppc64(DCCallVM* in_self, DCchar ch) | |
| 227 { | |
| 228 /* promote to longlong */ | |
| 229 dcArgLongLong(in_self, (DClonglong) ch ); | |
| 230 } | |
| 231 | |
| 232 | |
| 233 static void dc_callvm_argShort_ppc64(DCCallVM* in_self, DCshort s) | |
| 234 { | |
| 235 /* promote to longlong */ | |
| 236 dcArgLongLong(in_self, (DClonglong) s ); | |
| 237 } | |
| 238 | |
| 239 | |
| 240 static void dc_callvm_argLong_ppc64(DCCallVM* in_self, DClong l) | |
| 241 { | |
| 242 /* promote to longlong */ | |
| 243 dcArgLongLong(in_self, (DClonglong) l ); | |
| 244 } | |
| 245 | |
| 246 | |
| 247 static void dc_callvm_argPointer_ppc64(DCCallVM* in_self, DCpointer p) | |
| 248 { | |
| 249 /* promote to longlong */ | |
| 250 dcArgLongLong(in_self, *(DClonglong *) &p ); | |
| 251 } | |
| 252 | |
| 253 | |
| 254 void dc_callvm_call_ppc64(DCCallVM* in_self, DCpointer target) | |
| 255 { | |
| 256 DCCallVM_ppc64* self = (DCCallVM_ppc64*) in_self; | |
| 257 int size = dcVecSize(&self->mVecHead); | |
| 258 | |
| 259 if (size < 64) { | |
| 260 dcVecSkip(&self->mVecHead, 64-size); | |
| 261 } | |
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262 |
| 0 | 263 dcCall_ppc64( target, &self->mRegData, dcVecSize(&self->mVecHead) , dcVecData(&self->mVecHead)); |
| 264 } | |
| 265 | |
| 7 | 266 void dc_callvm_call_ppc64_syscall(DCCallVM* in_self, DCpointer target) |
| 267 { | |
| 268 DCCallVM_ppc64* self = (DCCallVM_ppc64*) in_self; | |
| 269 dcCall_ppc64_syscall( target, &self->mRegData, dcVecSize(&self->mVecHead) , dcVecData(&self->mVecHead)); | |
| 270 } | |
| 271 | |
| 0 | 272 void dc_callvm_mode_ppc64(DCCallVM* in_self, DCint mode); |
| 273 | |
| 274 DCCallVM_vt gVT_ppc64 = | |
| 275 { | |
| 276 &dc_callvm_free_ppc64 | |
| 277 , &dc_callvm_reset_ppc64 | |
| 278 , &dc_callvm_mode_ppc64 | |
| 279 , &dc_callvm_argBool_ppc64 | |
| 280 , &dc_callvm_argChar_ppc64 | |
| 281 , &dc_callvm_argShort_ppc64 | |
| 282 , &dc_callvm_argInt_ppc64 | |
| 283 , &dc_callvm_argLong_ppc64 | |
| 284 , &dc_callvm_argLongLong_ppc64 | |
| 285 , &dc_callvm_argFloat_ppc64 | |
| 286 , &dc_callvm_argDouble_ppc64 | |
| 287 , &dc_callvm_argPointer_ppc64 | |
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288 , NULL /* argAggr */ |
| 0 | 289 , (DCvoidvmfunc*) &dc_callvm_call_ppc64 |
| 290 , (DCboolvmfunc*) &dc_callvm_call_ppc64 | |
| 291 , (DCcharvmfunc*) &dc_callvm_call_ppc64 | |
| 292 , (DCshortvmfunc*) &dc_callvm_call_ppc64 | |
| 293 , (DCintvmfunc*) &dc_callvm_call_ppc64 | |
| 294 , (DClongvmfunc*) &dc_callvm_call_ppc64 | |
| 295 , (DClonglongvmfunc*) &dc_callvm_call_ppc64 | |
| 296 , (DCfloatvmfunc*) &dc_callvm_call_ppc64 | |
| 297 , (DCdoublevmfunc*) &dc_callvm_call_ppc64 | |
| 298 , (DCpointervmfunc*) &dc_callvm_call_ppc64 | |
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299 , NULL /* callAggr */ |
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300 , NULL /* beginAggr */ |
| 0 | 301 }; |
| 302 | |
| 303 #if DC__ABI_PPC64_ELF_V == 2 | |
| 304 DCCallVM_vt gVT_ppc64_ellipsis = | |
| 305 { | |
| 306 &dc_callvm_free_ppc64 | |
| 307 , &dc_callvm_reset_ppc64 | |
| 308 , &dc_callvm_mode_ppc64 | |
| 309 , &dc_callvm_argBool_ppc64 | |
| 310 , &dc_callvm_argChar_ppc64 | |
| 311 , &dc_callvm_argShort_ppc64 | |
| 312 , &dc_callvm_argInt_ppc64 | |
| 313 , &dc_callvm_argLong_ppc64 | |
| 314 , &dc_callvm_argLongLong_ppc64_ellipsis | |
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315 , &dc_callvm_argFloat_ppc64_ellipsis |
| 0 | 316 , &dc_callvm_argDouble_ppc64_ellipsis |
| 317 , &dc_callvm_argPointer_ppc64 | |
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318 , NULL /* argAggr */ |
| 0 | 319 , (DCvoidvmfunc*) &dc_callvm_call_ppc64 |
| 320 , (DCboolvmfunc*) &dc_callvm_call_ppc64 | |
| 321 , (DCcharvmfunc*) &dc_callvm_call_ppc64 | |
| 322 , (DCshortvmfunc*) &dc_callvm_call_ppc64 | |
| 323 , (DCintvmfunc*) &dc_callvm_call_ppc64 | |
| 324 , (DClongvmfunc*) &dc_callvm_call_ppc64 | |
| 325 , (DClonglongvmfunc*) &dc_callvm_call_ppc64 | |
| 326 , (DCfloatvmfunc*) &dc_callvm_call_ppc64 | |
| 327 , (DCdoublevmfunc*) &dc_callvm_call_ppc64 | |
| 328 , (DCpointervmfunc*) &dc_callvm_call_ppc64 | |
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329 , NULL /* callAggr */ |
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330 , NULL /* beginAggr */ |
| 0 | 331 }; |
| 332 #endif | |
| 333 | |
| 7 | 334 DCCallVM_vt gVT_ppc64_syscall = |
| 335 { | |
| 336 &dc_callvm_free_ppc64 | |
| 337 , &dc_callvm_reset_ppc64 | |
| 338 , &dc_callvm_mode_ppc64 | |
| 339 , &dc_callvm_argBool_ppc64 | |
| 340 , &dc_callvm_argChar_ppc64 | |
| 341 , &dc_callvm_argShort_ppc64 | |
| 342 , &dc_callvm_argInt_ppc64 | |
| 343 , &dc_callvm_argLong_ppc64 | |
| 344 , &dc_callvm_argLongLong_ppc64 | |
| 345 , &dc_callvm_argFloat_ppc64 | |
| 346 , &dc_callvm_argDouble_ppc64 | |
| 347 , &dc_callvm_argPointer_ppc64 | |
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348 , NULL /* argAggr */ |
| 7 | 349 , (DCvoidvmfunc*) &dc_callvm_call_ppc64_syscall |
| 350 , (DCboolvmfunc*) &dc_callvm_call_ppc64_syscall | |
| 351 , (DCcharvmfunc*) &dc_callvm_call_ppc64_syscall | |
| 352 , (DCshortvmfunc*) &dc_callvm_call_ppc64_syscall | |
| 353 , (DCintvmfunc*) &dc_callvm_call_ppc64_syscall | |
| 354 , (DClongvmfunc*) &dc_callvm_call_ppc64_syscall | |
| 355 , (DClonglongvmfunc*) &dc_callvm_call_ppc64_syscall | |
| 356 , (DCfloatvmfunc*) &dc_callvm_call_ppc64_syscall | |
| 357 , (DCdoublevmfunc*) &dc_callvm_call_ppc64_syscall | |
| 358 , (DCpointervmfunc*) &dc_callvm_call_ppc64_syscall | |
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359 , NULL /* callAggr */ |
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360 , NULL /* beginAggr */ |
| 7 | 361 }; |
| 362 | |
| 0 | 363 void dc_callvm_mode_ppc64(DCCallVM* in_self, DCint mode) |
| 364 { | |
| 365 DCCallVM_ppc64* self = (DCCallVM_ppc64*) in_self; | |
| 366 DCCallVM_vt* vt; | |
| 84 | 367 |
| 0 | 368 switch(mode) { |
| 84 | 369 case DC_CALL_C_DEFAULT: |
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370 case DC_CALL_C_DEFAULT_THIS: |
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371 case DC_CALL_C_PPC64: |
| 0 | 372 case DC_CALL_C_ELLIPSIS: |
| 373 #if DC__ABI_PPC64_ELF_V == 2 | |
| 374 vt = &gVT_ppc64; | |
| 375 break; | |
| 376 case DC_CALL_C_ELLIPSIS_VARARGS: | |
| 377 vt = &gVT_ppc64_ellipsis; | |
| 378 break; | |
| 379 #else | |
| 380 case DC_CALL_C_ELLIPSIS_VARARGS: | |
| 381 vt = &gVT_ppc64; | |
| 382 break; | |
| 383 #endif | |
| 384 | |
| 7 | 385 case DC_CALL_SYS_DEFAULT: |
| 386 case DC_CALL_SYS_PPC64: | |
| 387 vt = &gVT_ppc64_syscall; | |
| 388 break; | |
| 389 | |
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390 default: |
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391 self->mInterface.mError = DC_ERROR_UNSUPPORTED_MODE; |
| 0 | 392 return; |
| 393 } | |
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394 |
| 0 | 395 dc_callvm_base_init(&self->mInterface, vt); |
| 396 } | |
| 397 | |
| 84 | 398 /* Public API. */ |
| 0 | 399 DCCallVM* dcNewCallVM(DCsize size) |
| 400 { | |
| 84 | 401 DCCallVM_ppc64* p = (DCCallVM_ppc64*)dcAllocMem(sizeof(DCCallVM_ppc64)+size); |
| 402 | |
| 403 dc_callvm_mode_ppc64((DCCallVM*)p, DC_CALL_C_DEFAULT); | |
| 404 | |
| 405 dcVecInit(&p->mVecHead, size); | |
| 406 dc_callvm_reset_ppc64((DCCallVM*)p); | |
| 407 | |
| 408 return (DCCallVM*)p; | |
| 0 | 409 } |
| 410 |