Mercurial > pub > dyncall > dyncall
annotate dyncallback/dyncall_args_mips.c @ 544:111236b31c75
- C++ non-trivial aggregate-by-value handling:
* dyncallback support for dcbArgAggr()
* better doc
| author | Tassilo Philipp |
|---|---|
| date | Tue, 31 May 2022 18:25:13 +0200 |
| parents | 71c884e610f0 |
| children | 2562c89d5bb5 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 | |
| 3 Package: dyncall | |
| 4 Library: dyncallback | |
| 5 File: dyncallback/dyncall_args_mips.c | |
| 109 | 6 Description: Callback's Arguments VM - Implementation for non-o32 MIPS |
| 0 | 7 License: |
| 8 | |
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9 Copyright (c) 2013-2022 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 #include "dyncall_args_mips.h" | |
| 28 | |
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29 DCint dcbArgInt(DCArgs* p) |
| 0 | 30 { |
| 31 DCint value; | |
| 109 | 32 if(p->reg_count.i < DCARGS_MIPS_NUM_IREGS) |
| 33 value = p->ireg_data[p->reg_count.i++]; | |
| 0 | 34 else { |
| 109 | 35 value = *((DCint*)p->stackptr); |
| 36 p->stackptr += sizeof(DCint); | |
| 0 | 37 } |
| 38 return value; | |
| 39 } | |
| 40 DCuint dcbArgUInt(DCArgs* p) { return (DCuint)dcbArgInt(p); } | |
| 41 | |
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42 DCulonglong dcbArgULongLong(DCArgs* p) |
| 0 | 43 { |
| 44 DCulonglong value; | |
| 110 | 45 p->reg_count.i += (p->reg_count.i & 1); /* Skip one reg if not aligned. */ |
| 46 p->stackptr += ((DCulong)p->stackptr & 4) & -4; /* 64bit values are also always aligned on stack */ | |
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47 #if defined(DC__Endian_LITTLE) |
| 110 | 48 value = dcbArgUInt(p); |
| 49 value |= ((DCulonglong)dcbArgUInt(p)) << 32; | |
| 50 #else | |
| 0 | 51 value = ((DCulonglong)dcbArgUInt(p)) << 32; |
| 52 value |= dcbArgUInt(p); | |
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53 #endif |
| 0 | 54 return value; |
| 55 } | |
| 56 DClonglong dcbArgLongLong(DCArgs* p) { return (DClonglong)dcbArgULongLong(p); } | |
| 57 | |
| 58 DClong dcbArgLong (DCArgs* p) { return (DClong) dcbArgUInt(p); } | |
| 59 DCulong dcbArgULong (DCArgs* p) { return (DCulong) dcbArgUInt(p); } | |
| 60 DCchar dcbArgChar (DCArgs* p) { return (DCchar) dcbArgUInt(p); } | |
| 61 DCuchar dcbArgUChar (DCArgs* p) { return (DCuchar) dcbArgUInt(p); } | |
| 62 DCshort dcbArgShort (DCArgs* p) { return (DCshort) dcbArgUInt(p); } | |
| 63 DCushort dcbArgUShort (DCArgs* p) { return (DCushort) dcbArgUInt(p); } | |
| 64 DCbool dcbArgBool (DCArgs* p) { return (DCbool) dcbArgUInt(p); } | |
| 65 DCpointer dcbArgPointer(DCArgs* p) { return (DCpointer)dcbArgUInt(p); } | |
| 66 | |
| 67 DCfloat dcbArgFloat(DCArgs* p) | |
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68 { |
| 0 | 69 DCfloat result; |
| 109 | 70 if(p->reg_count.f < DCARGS_MIPS_NUM_FREGS) |
| 110 | 71 result = p->freg_data[p->reg_count.f++]; |
| 0 | 72 else { |
| 109 | 73 result = *((DCfloat*)p->stackptr); |
| 74 p->stackptr += sizeof(DCfloat); | |
| 0 | 75 } |
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76 return result; |
| 0 | 77 } |
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78 DCdouble dcbArgDouble(DCArgs* p) |
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79 { |
| 0 | 80 union { |
| 81 DCdouble result; | |
| 110 | 82 DCulonglong i; |
| 0 | 83 } d; |
| 110 | 84 d.i = dcbArgULongLong(p); /* those are passed via int regs */ |
| 0 | 85 return d.result; |
| 86 } | |
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87 |
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544
111236b31c75
- C++ non-trivial aggregate-by-value handling:
Tassilo Philipp
parents:
533
diff
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88 DCpointer dcbArgAggr (DCArgs* p, DCpointer target) { /* @@@AGGR not impl */ } |
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89 void dcbReturnAggr (DCArgs *args, DCValue *result, DCpointer ret) { /* @@@AGGR not impl */ } |
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71c884e610f0
- integration of patches from Raphael Luba, Thekla, Inc.:
Tassilo Philipp
parents:
281
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90 |