Mercurial > pub > dyncall > dyncall
annotate dyncallback/dyncall_args_ppc32_sysv.c @ 544:111236b31c75
- C++ non-trivial aggregate-by-value handling:
* dyncallback support for dcbArgAggr()
* better doc
| author | Tassilo Philipp |
|---|---|
| date | Tue, 31 May 2022 18:25:13 +0200 |
| parents | 71c884e610f0 |
| children | 2562c89d5bb5 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 | |
| 3 Package: dyncall | |
| 4 Library: dyncallback | |
| 5 File: dyncallback/dyncall_args_ppc32_sysv.c | |
| 6 Description: Callback's Args Implementation for PowerPC 32-bit System V ABI | |
| 7 License: | |
| 8 | |
|
533
71c884e610f0
- integration of patches from Raphael Luba, Thekla, Inc.:
Tassilo Philipp
parents:
281
diff
changeset
|
9 Copyright (c) 2015-2022 Daniel Adler <dadler@uni-goettingen.de> |
| 0 | 10 |
| 11 Permission to use, copy, modify, and distribute this software for any | |
| 12 purpose with or without fee is hereby granted, provided that the above | |
| 13 copyright notice and this permission notice appear in all copies. | |
| 14 | |
| 15 THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
| 16 WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
| 17 MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |
| 18 ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
| 19 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
| 20 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
| 21 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
| 22 | |
| 23 */ | |
| 24 | |
| 25 | |
| 26 #include "dyncall_args_ppc32.h" | |
| 27 | |
| 28 DCint dcbArgInt (DCArgs* p) | |
| 29 { | |
| 30 DCint value; | |
| 31 if (p->ireg_count < 8) | |
| 32 value = p->ireg_data[p->ireg_count++]; | |
| 33 else { | |
| 34 value = *( (int*) p->stackptr ); | |
| 35 p->stackptr += sizeof(int); | |
| 36 } | |
| 37 return value; | |
| 38 } | |
| 39 DCuint dcbArgUInt (DCArgs* p) { return (DCuint) dcbArgInt(p); } | |
| 40 | |
| 41 DCulonglong dcbArgULongLong (DCArgs* p) | |
| 42 { | |
| 43 DCulonglong value; | |
| 44 if (p->ireg_count < 7) | |
| 45 { | |
| 46 /* next free integer register is even (r0, r2, r3) ? */ | |
| 47 /* if not, skip one integer */ | |
| 48 p->ireg_count = (p->ireg_count + 1) & -2; | |
| 49 value = * (unsigned long long*) ( & p->ireg_data[p->ireg_count] ); | |
| 50 p->ireg_count += 2; | |
| 51 } else { | |
| 52 p->ireg_count = 8; | |
| 53 /* 64-bit values are naturally aligned on stack */ | |
| 54 p->stackptr = (unsigned char*) ( ( ( (ptrdiff_t) (p->stackptr) ) + 7) & ( (ptrdiff_t) -8 ) ); | |
| 55 value = * ( (unsigned long long*) p->stackptr ); | |
| 56 p->stackptr += sizeof(unsigned long long); | |
| 57 } | |
| 58 return value; | |
| 59 } | |
| 60 DClonglong dcbArgLongLong(DCArgs* p) { return (DClonglong)dcbArgULongLong(p); } | |
| 61 | |
| 62 DClong dcbArgLong (DCArgs* p) { return (DClong) dcbArgUInt(p); } | |
| 63 DCulong dcbArgULong (DCArgs* p) { return (DCulong) dcbArgUInt(p); } | |
| 64 DCchar dcbArgChar (DCArgs* p) { return (DCchar) dcbArgUInt(p); } | |
| 65 DCuchar dcbArgUChar (DCArgs* p) { return (DCuchar) dcbArgUInt(p); } | |
| 66 DCshort dcbArgShort (DCArgs* p) { return (DCshort) dcbArgUInt(p); } | |
| 67 DCushort dcbArgUShort (DCArgs* p) { return (DCushort)dcbArgUInt(p); } | |
| 68 DCbool dcbArgBool (DCArgs* p) { return (DCbool) dcbArgUInt(p); } | |
| 69 | |
| 70 DCpointer dcbArgPointer (DCArgs* p) { return (DCpointer)dcbArgUInt(p); } | |
| 71 | |
| 72 DCdouble dcbArgDouble (DCArgs* p) | |
| 73 { | |
| 74 DCdouble result; | |
| 75 if (p->freg_count < 8) { | |
| 76 result = p->freg_data[p->freg_count++]; | |
| 77 } else { | |
| 78 p->stackptr = (unsigned char*) ( ( ( (ptrdiff_t) (p->stackptr) ) + 7) & ( (ptrdiff_t) -8 ) ); | |
| 79 result = * ( (double*) p->stackptr ); | |
| 80 p->stackptr += sizeof(double); | |
| 81 } | |
| 82 return result; | |
| 83 } | |
| 84 DCfloat dcbArgFloat (DCArgs* p) | |
| 85 { | |
| 86 DCfloat result; | |
| 87 if (p->freg_count < 8) { | |
| 88 result = (DCfloat) p->freg_data[p->freg_count++]; | |
| 89 } else { | |
| 90 result = * ( (float*) p->stackptr ); | |
| 91 p->stackptr += sizeof(float); | |
| 92 } | |
| 93 return result; | |
| 94 } | |
| 95 | |
|
544
111236b31c75
- C++ non-trivial aggregate-by-value handling:
Tassilo Philipp
parents:
533
diff
changeset
|
96 DCpointer dcbArgAggr (DCArgs* p, DCpointer target) { /* @@@AGGR not impl */ } |
|
533
71c884e610f0
- integration of patches from Raphael Luba, Thekla, Inc.:
Tassilo Philipp
parents:
281
diff
changeset
|
97 void dcbReturnAggr (DCArgs *args, DCValue *result, DCpointer ret) { /* @@@AGGR not impl */ } |
|
71c884e610f0
- integration of patches from Raphael Luba, Thekla, Inc.:
Tassilo Philipp
parents:
281
diff
changeset
|
98 |