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annotate dyncallback/dyncall_callback_ppc64.c @ 542:a73a5cd50c19

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- 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 71c884e610f0
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_callback_ppc64.c
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6 Description: Callback - Implementation Header for ppc64
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7 License:
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8
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9 Copyright (c) 2014-2016 Masanori Mitsugi <mitsugi@linux.vnet.ibm.com>,
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10 2022 Tassilo Philipp <tphilipp@potion-studios.com>
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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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27 #include "dyncall_callback.h"
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28 #include "dyncall_alloc_wx.h"
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29 #include "dyncall_thunk.h"
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32 /* Callback symbol. */
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33 extern void dcCallbackThunkEntry();
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34
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35 struct DCCallback /* ELF v1 | ELF v2 */
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36 { /* ------------------+------------------ */
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37 DCThunk thunk; /* offset 0 size 64 | offset 0 size 48 */
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38 DCCallbackHandler* handler; /* offset 64 size 8 | offset 48 size 8 */
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39 size_t stack_cleanup; /* offset 72 size 8 | offset 56 size 8 */
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40 void* userdata; /* offset 80 size 8 | offset 64 size 8 */
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41 };
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44 void dcbInitCallback2(DCCallback* pcb, const DCsigchar* signature, DCCallbackHandler* handler, void* userdata, DCaggr *const * aggrs)
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45 {
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46 pcb->handler = handler;
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47 pcb->userdata = userdata;
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48 }
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50
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51 DCCallback* dcbNewCallback2(const DCsigchar* signature, DCCallbackHandler* handler, void* userdata, DCaggr *const * aggrs)
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52 {
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53 DCCallback* pcb;
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54 int err = dcAllocWX(sizeof(DCCallback), (void**)&pcb);
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55 if(err)
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56 return NULL;
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58 dcbInitCallback2(pcb, signature, handler, userdata, aggrs);
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59 dcbInitThunk(&pcb->thunk, dcCallbackThunkEntry);
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60
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61 err = dcInitExecWX(pcb, sizeof(DCCallback));
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62 if(err) {
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63 dcFreeWX(pcb, sizeof(DCCallback));
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64 return NULL;
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65 }
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67 return pcb;
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68 }
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69