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annotate dyncall/dyncall_callvm_mips_n64.h @ 533:71c884e610f0

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- integration of patches from Raphael Luba, Thekla, Inc.: * integration of aggregate-by-value (struct, union) support patch for x64 (win and sysv) * windows/x64 asm additions to specify how stack unwinds (help for debuggers, exception handling, etc.) * see Changelog for details - new calling convention modes for thiscalls (platform agnostic, was specific before) * new signature character for platform agnostic thiscalls ('*' / DC_SIGCHAR_CC_THISCALL) - dcCallF(), dcVCallF(), dcArgF() and dcVArgF(): * added support for aggregates-by-value (wasn't part of patch) * change that those functions don't implicitly call dcReset() anymore, which was unflexible (breaking change) - added macros to feature test implementation for aggregate-by-value and syscall support - changed libdyncall_s.lib and libdyncallback_s.lib order in callback test makefiles, as some toolchains are picky about order - doc: * man page updates to describe aggregate interface * manual overview changes to highlight platforms with aggregate-by-value support - test/plain: replaced tests w/ old/stale sctruct interface with new aggregate one
author Tassilo Philipp
date Thu, 21 Apr 2022 13:35:47 +0200
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1 /*
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2
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3 Package: dyncall
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4 Library: dyncall
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5 File: dyncall/dyncall_callvm_mips_n64.h
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6 Description: mips "n64" ABI callvm C interface.
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7 License:
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8
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9 Copyright (c) 2007-2020 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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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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28 #ifndef DYNCALL_CALLVM_MIPS_N64_H
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29 #define DYNCALL_CALLVM_MIPS_N64_H
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31 #include "dyncall_callvm.h"
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32 #include "dyncall_vector.h"
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33
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34 #ifdef __cplusplus
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35 extern "C" {
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36 #endif
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39 /*
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40 two register-files for integer (promoted to 64-bit) and float (not promoted!)
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41 are used.
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42
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43 arguments are transfered in a free slot on the corresponding register file.
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44 the other register-file will be skipped by one.
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45
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46 float arguments are either loaded from single or double -
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47 a auto-conversion into double and then loaded as double precision
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48 turned out to fail for several tests.
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49
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50 therefore a union for storage of float or double is used instead.
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51 a bitmask (mUseDouble) records which type is used and will be
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52 interpreted in the call-kernel.
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53 */
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54
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55 typedef struct
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56 {
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57 DClonglong mIntData[8];
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58 #if defined(DC__ABI_HARDFLOAT)
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59 union { DCfloat f; DCdouble d; } mFloatData[8];
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60 DClonglong mUseDouble; /* bitmask: lower 8 bits specify to use float or double from union array. */
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61 #endif /* DC__ABI_HARDFLOAT */
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62 } DCRegData_mips_n64;
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64
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65 typedef struct
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66 {
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67 DCCallVM mInterface;
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68 DCint mRegCount;
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69 DCRegData_mips_n64 mRegData;
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70 DCVecHead mVecHead;
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71 } DCCallVM_mips_n64;
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74 #ifdef __cplusplus
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75 }
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76 #endif
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78 #endif /* DYNCALL_CALLVM_MIPS_N64_H */
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