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annotate dyncallback/dyncall_args_sparc64.c @ 663:127b569978cc default tip

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- another tweak handling clang trying to be too smart (see last commit)
author Tassilo Philipp
date Sun, 24 Mar 2024 13:52:44 +0100
parents 93ce63d72d59
children
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1 /*
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2
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3 Package: dyncall
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4 Library: dyncallback
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5 File: dyncallback/dyncall_args_sparc64.c
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6 Description: Callback's Arguments VM - Implementation for sparc64 - not yet
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7 License:
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8
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9 Copyright (c) 2007-2024 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_args.h"
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28
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29 #define DCARGS_SPARC64_NUM_DOUBLE_REGS 16
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30 struct DCArgs
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31 {
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32 /* Don't change order or types, laid out for asm code to fill in! */
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33 DClonglong *arg_ptr;
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34 DCdouble dreg_data[DCARGS_SPARC64_NUM_DOUBLE_REGS];
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35 DClonglong i; /* args fetched */
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36 };
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39 DCulonglong dcbArgULongLong(DCArgs* p) { return p->arg_ptr[p->i++]; }
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40 DClonglong dcbArgLongLong (DCArgs* p) { return (DClonglong)dcbArgULongLong(p); }
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41 DCulong dcbArgULong (DCArgs* p) { return (DCulong) dcbArgULongLong(p); }
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42 DClong dcbArgLong (DCArgs* p) { return (DClong) dcbArgULongLong(p); }
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43 DCuint dcbArgUInt (DCArgs* p) { return (DCuint) dcbArgULongLong(p); }
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44 DCint dcbArgInt (DCArgs* p) { return (DCint) dcbArgULongLong(p); }
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45 DCuchar dcbArgUChar (DCArgs* p) { return (DCuchar) dcbArgULongLong(p); }
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46 DCchar dcbArgChar (DCArgs* p) { return (DCchar) dcbArgULongLong(p); }
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47 DCushort dcbArgUShort (DCArgs* p) { return (DCushort) dcbArgULongLong(p); }
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48 DCshort dcbArgShort (DCArgs* p) { return (DCshort) dcbArgULongLong(p); }
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49 DCbool dcbArgBool (DCArgs* p) { return (DCbool) dcbArgULongLong(p); }
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50 DCpointer dcbArgPointer (DCArgs* p) { return (DCpointer) dcbArgULongLong(p); }
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51
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52 DCdouble dcbArgDouble(DCArgs* p)
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53 {
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54 return (p->i < DCARGS_SPARC64_NUM_DOUBLE_REGS)
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55 ? p->dreg_data[p->i++]
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56 : *(DCdouble*)(p->arg_ptr + p->i++);
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57 }
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59 DCfloat dcbArgFloat(DCArgs* p)
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60 {
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61 return (p->i < DCARGS_SPARC64_NUM_DOUBLE_REGS)
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62 ? *((DCfloat*)(p->dreg_data + p->i++)+1) /* +1 bc single-prec fp args are */
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63 : *((DCfloat*)(p->arg_ptr + p->i++)+1); /* right aligned in 64bit slot */
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64 }
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65
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66 DCpointer dcbArgAggr (DCArgs* p, DCpointer target) { /* @@@AGGR not impl */ return NULL; }
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67 void dcbReturnAggr (DCArgs *args, DCValue *result, DCpointer ret) { /* @@@AGGR not impl */ }
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