annotate dyncallback/dyncall_args_mips.h @ 542:a73a5cd50c19

- fix passing aggregate-by-val on x64/sysv: subaggr classification for aggr *arrays* was wrong (was problematic when there ware exactly 2 8bytes to be classified, potentially be passed via registers)
author Tassilo Philipp
date Mon, 02 May 2022 15:32:41 +0200
parents b104c5beec8b
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_mips.h
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6 Description: Callback's Arguments VM - Header for MIPS
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7 License:
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8
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9 Copyright (c) 2013-2018 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 #ifndef DYNCALLBACK_ARGS_MIPS_H
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28 #define DYNCALLBACK_ARGS_MIPS_H
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29
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30 #include "dyncall_args.h"
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31
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32 struct DCArgs
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33 {
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34 /* Don't change order or types, laid out for asm code to fill in! */
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35 #if defined(DC__Arch_MIPS) && defined(DC__ABI_MIPS_O32)
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36
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37 DCint freg_count; /* unused on soft-float targets, but keep as 4b-padding */
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38
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39 #else
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40
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41 # if defined(DC__Arch_MIPS)
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42
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43 # define DCARGS_MIPS_NUM_IREGS 8
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44 # define DCARGS_MIPS_NUM_FREGS 8
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45 DCint ireg_data[DCARGS_MIPS_NUM_IREGS];
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46 DCfloat freg_data[DCARGS_MIPS_NUM_FREGS];
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47 struct { DCshort i; DCshort f; } reg_count;
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48
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49 # elif defined(DC__Arch_MIPS64)
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50
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51 /* single counter for both, int & float: mips64 uses 8 max, total, either */
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52 /* skipping over other/type's reg, or only using int regs on soft-float */
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53 # define DCARGS_MIPS_NUM_REGS 8
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54 # if defined(DC__ABI_SOFTFLOAT)
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55 union
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56 # else
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57 struct
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58 # endif
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59 {
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60 DClonglong ireg_data[DCARGS_MIPS_NUM_REGS];
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61 DCdouble freg_data[DCARGS_MIPS_NUM_REGS];
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62 };
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63 DClonglong reg_count;
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64
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65 # endif
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67 #endif
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68 DCuchar* stackptr;
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69 };
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71 #endif /* DYNCALLBACK_ARGS_MIPS_H */
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72