Mercurial > pub > dyncall > dyncall
annotate dyncall/dyncall_callvm_arm32_thumb.c @ 281:f5577f6bf97a
- file header cleanups for release
| author | Tassilo Philipp |
|---|---|
| date | Thu, 19 Apr 2018 20:10:26 +0200 |
| parents | 67961454902b |
| children | ad5f9803f52f |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 | |
| 3 Package: dyncall | |
| 4 Library: dyncall | |
| 5 File: dyncall/dyncall_callvm_arm32_thumb.c | |
| 6 Description: ARM 32-bit "thumb" ABI callvm implementation | |
| 7 License: | |
| 8 | |
| 281 | 9 Copyright (c) 2007-2018 Daniel Adler <dadler@uni-goettingen.de>, |
| 0 | 10 Tassilo Philipp <tphilipp@potion-studios.com> |
| 11 | |
| 12 Permission to use, copy, modify, and distribute this software for any | |
| 13 purpose with or without fee is hereby granted, provided that the above | |
| 14 copyright notice and this permission notice appear in all copies. | |
| 15 | |
| 16 THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
| 17 WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
| 18 MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |
| 19 ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
| 20 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
| 21 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
| 22 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
| 23 | |
| 24 */ | |
| 25 | |
| 26 | |
| 27 | |
| 28 /* | |
| 29 | |
| 30 dyncall callvm for 32bit ARM32 family of processors | |
| 31 | |
| 32 SUPPORTED CALLING CONVENTIONS | |
| 33 armthumbcall | |
| 34 | |
| 35 REVISION | |
| 36 2007/12/11 initial | |
| 37 | |
| 38 */ | |
| 39 | |
| 40 | |
| 41 #include "dyncall_callvm_arm32_thumb.h" | |
| 42 #include "dyncall_alloc.h" | |
| 43 | |
| 44 static void dc_callvm_mode_arm32_thumb(DCCallVM* in_self,DCint mode); | |
| 45 | |
| 46 static void dc_callvm_free_arm32_thumb(DCCallVM* in_self) | |
| 47 { | |
| 48 dcFreeMem(in_self); | |
| 49 } | |
| 50 | |
| 51 | |
| 52 static void dc_callvm_reset_arm32_thumb(DCCallVM* in_self) | |
| 53 { | |
| 54 DCCallVM_arm32_thumb* self = (DCCallVM_arm32_thumb*)in_self; | |
| 55 dcVecReset(&self->mVecHead); | |
| 56 } | |
| 57 | |
| 58 | |
| 59 static void dc_callvm_argInt_arm32_thumb(DCCallVM* in_self, DCint x) | |
| 60 { | |
| 61 DCCallVM_arm32_thumb* self = (DCCallVM_arm32_thumb*)in_self; | |
| 62 dcVecAppend(&self->mVecHead, &x, sizeof(DCint)); | |
| 63 } | |
| 64 | |
| 65 | |
| 66 static void dc_callvm_argBool_arm32_thumb(DCCallVM* in_self, DCbool x) | |
| 67 { | |
| 68 dc_callvm_argInt_arm32_thumb(in_self, (DCint)x); | |
| 69 } | |
| 70 | |
| 71 | |
| 72 static void dc_callvm_argChar_arm32_thumb(DCCallVM* in_self, DCchar x) | |
| 73 { | |
| 74 dc_callvm_argInt_arm32_thumb(in_self, x); | |
| 75 } | |
| 76 | |
| 77 | |
| 78 static void dc_callvm_argShort_arm32_thumb(DCCallVM* in_self, DCshort x) | |
| 79 { | |
| 80 dc_callvm_argInt_arm32_thumb(in_self, x); | |
| 81 } | |
| 82 | |
| 83 | |
| 84 static void dc_callvm_argLong_arm32_thumb(DCCallVM* in_self, DClong x) | |
| 85 { | |
| 86 dc_callvm_argInt_arm32_thumb(in_self, x); | |
| 87 } | |
| 88 | |
| 89 | |
| 90 static void dc_callvm_argLongLong_arm32_thumb(DCCallVM* in_self, DClonglong x) | |
| 91 { | |
| 92 DCCallVM_arm32_thumb* self = (DCCallVM_arm32_thumb*)in_self; | |
| 93 dcVecAppend(&self->mVecHead, &x, sizeof(DClonglong)); | |
| 94 } | |
| 95 | |
| 96 | |
| 97 static void dc_callvm_argLongLong_arm32_thumb_eabi(DCCallVM* in_self, DClonglong x) | |
| 98 { | |
| 99 DCCallVM_arm32_thumb* self = (DCCallVM_arm32_thumb*)in_self; | |
| 100 | |
| 101 /* 64 bit values need to be aligned on 8 byte boundaries */ | |
| 102 dcVecSkip(&self->mVecHead, dcVecSize(&self->mVecHead) & 4); | |
| 103 dcVecAppend(&self->mVecHead, &x, sizeof(DClonglong)); | |
| 104 } | |
| 105 | |
| 106 | |
| 107 static void dc_callvm_argFloat_arm32_thumb(DCCallVM* in_self, DCfloat x) | |
| 108 { | |
| 109 DCCallVM_arm32_thumb* self = (DCCallVM_arm32_thumb*)in_self; | |
| 110 dcVecAppend(&self->mVecHead, &x, sizeof(DCfloat)); | |
| 111 } | |
| 112 | |
| 113 | |
| 114 static void dc_callvm_argDouble_arm32_thumb(DCCallVM* in_self, DCdouble x) | |
| 115 { | |
| 116 DCCallVM_arm32_thumb* self = (DCCallVM_arm32_thumb*)in_self; | |
| 117 dcVecAppend(&self->mVecHead, &x, sizeof(DCdouble)); | |
| 118 } | |
| 119 | |
| 120 | |
| 121 static void dc_callvm_argDouble_arm32_thumb_eabi(DCCallVM* in_self, DCdouble x) | |
| 122 { | |
| 123 DCCallVM_arm32_thumb* self = (DCCallVM_arm32_thumb*)in_self; | |
| 124 | |
| 125 /* 64 bit values need to be aligned on 8 byte boundaries */ | |
| 126 dcVecSkip(&self->mVecHead, dcVecSize(&self->mVecHead) & 4); | |
| 127 dcVecAppend(&self->mVecHead, &x, sizeof(DCdouble)); | |
| 128 } | |
| 129 | |
| 130 | |
| 131 static void dc_callvm_argPointer_arm32_thumb(DCCallVM* in_self, DCpointer x) | |
| 132 { | |
| 133 DCCallVM_arm32_thumb* self = (DCCallVM_arm32_thumb*)in_self; | |
| 134 dcVecAppend(&self->mVecHead, &x, sizeof(DCpointer)); | |
| 135 } | |
| 136 | |
| 137 | |
| 138 /* Call. */ | |
| 139 void dc_callvm_call_arm32_thumb(DCCallVM* in_self, DCpointer target) | |
| 140 { | |
| 141 DCCallVM_arm32_thumb* self = (DCCallVM_arm32_thumb*)in_self; | |
|
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- refactored arm calling conventions' callvm code, so that the code that keeps
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142 dcCall_arm32_thumb(target, dcVecData(&self->mVecHead), dcVecSize(&self->mVecHead)); |
| 0 | 143 } |
| 144 | |
| 145 | |
| 146 DCCallVM_vt gVT_arm32_thumb = | |
| 147 { | |
| 148 &dc_callvm_free_arm32_thumb | |
| 149 , &dc_callvm_reset_arm32_thumb | |
| 150 , &dc_callvm_mode_arm32_thumb | |
| 151 , &dc_callvm_argBool_arm32_thumb | |
| 152 , &dc_callvm_argChar_arm32_thumb | |
| 153 , &dc_callvm_argShort_arm32_thumb | |
| 154 , &dc_callvm_argInt_arm32_thumb | |
| 155 , &dc_callvm_argLong_arm32_thumb | |
| 156 , &dc_callvm_argLongLong_arm32_thumb | |
| 157 , &dc_callvm_argFloat_arm32_thumb | |
| 158 , &dc_callvm_argDouble_arm32_thumb | |
| 159 , &dc_callvm_argPointer_arm32_thumb | |
| 160 , NULL /* argStruct */ | |
| 161 , (DCvoidvmfunc*) &dc_callvm_call_arm32_thumb | |
| 162 , (DCboolvmfunc*) &dc_callvm_call_arm32_thumb | |
| 163 , (DCcharvmfunc*) &dc_callvm_call_arm32_thumb | |
| 164 , (DCshortvmfunc*) &dc_callvm_call_arm32_thumb | |
| 165 , (DCintvmfunc*) &dc_callvm_call_arm32_thumb | |
| 166 , (DClongvmfunc*) &dc_callvm_call_arm32_thumb | |
| 167 , (DClonglongvmfunc*) &dc_callvm_call_arm32_thumb | |
| 168 , (DCfloatvmfunc*) &dc_callvm_call_arm32_thumb | |
| 169 , (DCdoublevmfunc*) &dc_callvm_call_arm32_thumb | |
| 170 , (DCpointervmfunc*) &dc_callvm_call_arm32_thumb | |
| 171 , NULL /* callStruct */ | |
| 172 }; | |
| 173 | |
| 174 DCCallVM_vt gVT_arm32_thumb_eabi = | |
| 175 { | |
| 176 &dc_callvm_free_arm32_thumb | |
| 177 , &dc_callvm_reset_arm32_thumb | |
| 178 , &dc_callvm_mode_arm32_thumb | |
| 179 , &dc_callvm_argBool_arm32_thumb | |
| 180 , &dc_callvm_argChar_arm32_thumb | |
| 181 , &dc_callvm_argShort_arm32_thumb | |
| 182 , &dc_callvm_argInt_arm32_thumb | |
| 183 , &dc_callvm_argLong_arm32_thumb | |
| 184 , &dc_callvm_argLongLong_arm32_thumb_eabi | |
| 185 , &dc_callvm_argFloat_arm32_thumb | |
| 186 , &dc_callvm_argDouble_arm32_thumb_eabi | |
| 187 , &dc_callvm_argPointer_arm32_thumb | |
| 188 , NULL /* argStruct */ | |
| 189 , (DCvoidvmfunc*) &dc_callvm_call_arm32_thumb | |
| 190 , (DCboolvmfunc*) &dc_callvm_call_arm32_thumb | |
| 191 , (DCcharvmfunc*) &dc_callvm_call_arm32_thumb | |
| 192 , (DCshortvmfunc*) &dc_callvm_call_arm32_thumb | |
| 193 , (DCintvmfunc*) &dc_callvm_call_arm32_thumb | |
| 194 , (DClongvmfunc*) &dc_callvm_call_arm32_thumb | |
| 195 , (DClonglongvmfunc*) &dc_callvm_call_arm32_thumb | |
| 196 , (DCfloatvmfunc*) &dc_callvm_call_arm32_thumb | |
| 197 , (DCdoublevmfunc*) &dc_callvm_call_arm32_thumb | |
| 198 , (DCpointervmfunc*) &dc_callvm_call_arm32_thumb | |
| 199 , NULL /* callStruct */ | |
| 200 }; | |
| 201 | |
| 84 | 202 static void dc_callvm_mode_arm32_thumb(DCCallVM* in_self, DCint mode) |
| 203 { | |
| 204 DCCallVM_arm32_thumb* self = (DCCallVM_arm32_thumb*)in_self; | |
| 205 DCCallVM_vt* vt; | |
| 0 | 206 |
| 84 | 207 switch(mode) { |
| 208 case DC_CALL_C_ELLIPSIS: | |
| 209 case DC_CALL_C_ELLIPSIS_VARARGS: | |
| 0 | 210 /* Check OS if we need EABI as default. */ |
| 211 #if defined(DC__ABI_ARM_EABI) | |
| 84 | 212 case DC_CALL_C_DEFAULT: vt = &gVT_arm32_thumb_eabi; break; |
| 0 | 213 #else |
| 84 | 214 case DC_CALL_C_DEFAULT: vt = &gVT_arm32_thumb; break; |
| 0 | 215 #endif |
| 84 | 216 case DC_CALL_C_ARM_THUMB: vt = &gVT_arm32_thumb; break; |
| 217 case DC_CALL_C_ARM_THUMB_EABI: vt = &gVT_arm32_thumb_eabi; break; | |
| 218 default: | |
| 219 self->mInterface.mError = DC_ERROR_UNSUPPORTED_MODE; | |
| 220 return; | |
| 221 } | |
| 222 dc_callvm_base_init(&self->mInterface, vt); | |
| 0 | 223 } |
| 224 | |
| 84 | 225 /* Public API. */ |
| 226 DCCallVM* dcNewCallVM(DCsize size) | |
| 0 | 227 { |
| 84 | 228 /* Store at least 16 bytes (4 words) for internal spill area. Assembly code depends on it. */ |
| 229 DCCallVM_arm32_thumb* p = (DCCallVM_arm32_thumb*)dcAllocMem(sizeof(DCCallVM_arm32_thumb)+size+16); | |
| 230 | |
| 231 dc_callvm_mode_arm32_thumb((DCCallVM*)p, DC_CALL_C_DEFAULT); | |
| 232 | |
| 233 dcVecInit(&p->mVecHead, size); | |
| 234 | |
| 235 return (DCCallVM*)p; | |
| 0 | 236 } |
| 237 |