Mercurial > pub > dyncall > dyncall
annotate dyncallback/dyncall_args_mips.c @ 108:bf8aef292216
- mips clarifications in doc
| author | cslag |
|---|---|
| date | Sat, 11 Jun 2016 21:38:46 +0200 |
| parents | b7a9b524f0c3 |
| children | 9e677d4c0b6b |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 | |
| 3 Package: dyncall | |
| 4 Library: dyncallback | |
| 5 File: dyncallback/dyncall_args_mips.c | |
| 6 Description: Callback's Arguments VM - Implementation for MIPS | |
| 7 License: | |
| 8 | |
| 9 Copyright (c) 2013-2015 Daniel Adler <dadler@uni-goettingen.de>, | |
| 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; | |
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32 if(p->reg_count.i < DCARGS_MIPS_PARAM_REGS) |
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33 value = p->reg_data.i[p->reg_count.i++]; |
| 0 | 34 else { |
| 35 value = *((int*)p->stackptr); | |
| 36 p->stackptr += sizeof(int); | |
| 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; | |
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45 p->reg_count.i += (p->reg_count.i & 1); // Skip one reg if not aligned. |
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46 #if defined(DC__Endian_LITTLE) |
| 0 | 47 value = ((DCulonglong)dcbArgUInt(p)) << 32; |
| 48 value |= dcbArgUInt(p); | |
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49 #else |
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50 value = dcbArgUInt(p); |
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51 value |= ((DCulonglong)dcbArgUInt(p)) << 32; |
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52 #endif |
| 0 | 53 return value; |
| 54 } | |
| 55 DClonglong dcbArgLongLong(DCArgs* p) { return (DClonglong)dcbArgULongLong(p); } | |
| 56 | |
| 57 DClong dcbArgLong (DCArgs* p) { return (DClong) dcbArgUInt(p); } | |
| 58 DCulong dcbArgULong (DCArgs* p) { return (DCulong) dcbArgUInt(p); } | |
| 59 DCchar dcbArgChar (DCArgs* p) { return (DCchar) dcbArgUInt(p); } | |
| 60 DCuchar dcbArgUChar (DCArgs* p) { return (DCuchar) dcbArgUInt(p); } | |
| 61 DCshort dcbArgShort (DCArgs* p) { return (DCshort) dcbArgUInt(p); } | |
| 62 DCushort dcbArgUShort (DCArgs* p) { return (DCushort) dcbArgUInt(p); } | |
| 63 DCbool dcbArgBool (DCArgs* p) { return (DCbool) dcbArgUInt(p); } | |
| 64 DCpointer dcbArgPointer(DCArgs* p) { return (DCpointer)dcbArgUInt(p); } | |
| 65 | |
| 66 DCfloat dcbArgFloat(DCArgs* p) | |
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67 { |
| 0 | 68 DCfloat result; |
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69 if(p->reg_count.f < DCARGS_MIPS_PARAM_REGS) |
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70 result = (DCfloat)p->reg_data.f[p->reg_count.f++]; |
| 0 | 71 else { |
| 72 result = *((float*)p->stackptr); | |
| 73 p->stackptr += sizeof(float); | |
| 74 } | |
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75 return result; |
| 0 | 76 } |
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77 DCdouble dcbArgDouble(DCArgs* p) |
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78 { |
| 0 | 79 union { |
| 80 DCdouble result; | |
| 81 DCfloat f[2]; | |
| 82 } d; | |
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83 p->reg_count.f += (p->reg_count.f & 1); // Skip one reg if not aligned. |
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84 #if defined(DC__Endian_LITTLE) |
| 0 | 85 d.f[0] = dcbArgFloat(p); |
| 86 d.f[1] = dcbArgFloat(p); | |
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87 #else |
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88 d.f[1] = dcbArgFloat(p); |
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89 d.f[0] = dcbArgFloat(p); |
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90 #endif |
| 0 | 91 return d.result; |
| 92 } | |
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93 |