Mercurial > pub > dyncall > dyncall
annotate dyncall/dyncall_callvm_mips_o32.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 |
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date | Mon, 02 May 2022 15:32:41 +0200 |
parents | ad5f9803f52f |
children |
rev | line source |
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0 | 1 /* |
2 | |
3 Package: dyncall | |
4 Library: dyncall | |
5 File: dyncall/dyncall_callvm_mips_o32.h | |
6 Description: mips "o32" ABI callvm C interface. | |
7 License: | |
8 | |
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9 Copyright (c) 2007-2020 Daniel Adler <dadler@uni-goettingen.de>, |
0 | 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 | |
28 #ifndef DYNCALL_CALLVM_MIPS_O32_H | |
29 #define DYNCALL_CALLVM_MIPS_O32_H | |
30 | |
31 #include "dyncall_callvm.h" | |
32 #include "dyncall_vector.h" | |
33 | |
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34 |
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35 /* Call-kernel register data: |
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36 |
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37 Details: |
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38 |
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39 The structure holds the argument data for transfering float/double arguments |
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40 via registers as well. |
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41 The call-kernel on hardfloat platforms implements loads two doubles, which |
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42 involves four 32-bit floating pointer registers. It's unused for softfloat |
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43 platforms. |
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44 |
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45 Float arguments map as following: |
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46 |
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47 float argument 0 is at u[0][0] for little, u[0][1] for big endian and |
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48 float argument 1 is at u[1][0] for little, u[1][1] for big endian of |
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49 DCRegData_mips_o32 union. |
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50 |
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51 */ |
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52 |
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53 typedef struct |
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54 { |
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55 #if defined(DC__ABI_HARDFLOAT) |
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56 union { |
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57 double d; |
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58 float f[2]; |
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59 } u[2]; |
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60 #endif /* DC__ABI_HARDFLOAT */ |
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61 } DCRegData_mips_o32; |
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62 |
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63 |
0 | 64 typedef struct |
65 { | |
66 DCCallVM mInterface; | |
67 int mArgCount; | |
68 DCRegData_mips_o32 mRegData; | |
69 DCVecHead mVecHead; | |
70 } DCCallVM_mips_o32; | |
71 | |
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72 |
0 | 73 #endif /* DYNCALL_CALLVM_MIPS_O32_H */ |
74 |