|
0
|
1 /*
|
|
|
2
|
|
|
3 Package: dyncall
|
|
|
4 Library: dyncall
|
|
|
5 File: dyncall/dyncall_callvm_sparc.c
|
|
|
6 Description: Call VM for sparc processor architecture.
|
|
|
7 License:
|
|
|
8
|
|
|
9 Copyright (c) 2011-2015 Daniel Adler <dadler@uni-goettingen.de>
|
|
|
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
|
|
|
27 #include "dyncall_callvm_sparc.h"
|
|
|
28 #include "dyncall_call_sparc.h"
|
|
|
29 #include "dyncall_utils.h"
|
|
|
30 #include "dyncall_alloc.h"
|
|
|
31 #define DEFAULT_STACK_ALIGN 16
|
|
|
32 /* Construtor. */
|
|
|
33 /* the six output registers %o0-%o5 are always loaded, thus we need to ensure the argument buffer has space for at least 24 bytes. */
|
|
|
34 static DCCallVM* dc_callvm_new_sparc(DCCallVM_vt* vt, DCsize size)
|
|
|
35 {
|
|
|
36 size=DC_MAX(size,sizeof(void*)*(6+1));
|
|
|
37 DCCallVM_sparc* self = (DCCallVM_sparc*) dcAllocMem(sizeof(DCCallVM_sparc)+size);
|
|
|
38 dc_callvm_base_init(&self->mInterface, vt);
|
|
|
39 dcVecInit(&self->mVecHead,size);
|
|
|
40 return (DCCallVM*)self;
|
|
|
41 }
|
|
|
42
|
|
|
43 /* Destructor. */
|
|
|
44 static void dc_callvm_free_sparc(DCCallVM* in_self)
|
|
|
45 {
|
|
|
46 dcFreeMem(in_self);
|
|
|
47 }
|
|
|
48
|
|
|
49 /* Reset argument buffer. */
|
|
|
50 static void dc_callvm_reset_sparc(DCCallVM* in_self)
|
|
|
51 {
|
|
|
52 DCCallVM_sparc* self = (DCCallVM_sparc*)in_self;
|
|
|
53 dcVecReset(&self->mVecHead);
|
|
|
54 }
|
|
|
55
|
|
|
56 /* Load integer 32-bit. */
|
|
|
57 static void dc_callvm_argInt_sparc(DCCallVM* in_self, DCint x)
|
|
|
58 {
|
|
|
59 DCCallVM_sparc* self = (DCCallVM_sparc*)in_self;
|
|
|
60 dcVecAppend(&self->mVecHead, &x, sizeof(DCint));
|
|
|
61 }
|
|
|
62
|
|
|
63 /* we propagate Bool,Char,Short to Int. */
|
|
|
64
|
|
|
65 static void dc_callvm_argBool_sparc(DCCallVM* in_self, DCbool x) { dc_callvm_argInt_sparc(in_self, (DCint)x); }
|
|
|
66 static void dc_callvm_argChar_sparc(DCCallVM* in_self, DCchar x) { dc_callvm_argInt_sparc(in_self, (DCint)x); }
|
|
|
67 static void dc_callvm_argShort_sparc(DCCallVM* in_self, DCshort x) { dc_callvm_argInt_sparc(in_self, (DCint)x); }
|
|
|
68
|
|
|
69 /* handle others Pointer, Long, LongLong, Float and Double as-is. */
|
|
|
70
|
|
|
71 static void dc_callvm_argPointer_sparc(DCCallVM* in_self, DCpointer x)
|
|
|
72 {
|
|
|
73 DCCallVM_sparc* self = (DCCallVM_sparc*)in_self;
|
|
|
74 dcVecAppend(&self->mVecHead, &x, sizeof(DCpointer));
|
|
|
75 }
|
|
|
76
|
|
|
77 static void dc_callvm_argLong_sparc(DCCallVM* in_self, DClong x)
|
|
|
78 {
|
|
|
79 DCCallVM_sparc* self = (DCCallVM_sparc*)in_self;
|
|
|
80 dcVecAppend(&self->mVecHead, &x, sizeof(DClong));
|
|
|
81 }
|
|
|
82 static void dc_callvm_argLongLong_sparc(DCCallVM* in_self, DClonglong x)
|
|
|
83 {
|
|
|
84 DCCallVM_sparc* self = (DCCallVM_sparc*)in_self;
|
|
|
85 dcVecAppend(&self->mVecHead, &x, sizeof(DClonglong));
|
|
|
86 }
|
|
|
87 static void dc_callvm_argFloat_sparc(DCCallVM* in_self, DCfloat x)
|
|
|
88 {
|
|
|
89 DCCallVM_sparc* self = (DCCallVM_sparc*)in_self;
|
|
|
90 dcVecAppend(&self->mVecHead, &x, sizeof(DCfloat));
|
|
|
91 }
|
|
|
92 static void dc_callvm_argDouble_sparc(DCCallVM* in_self, DCdouble x)
|
|
|
93 {
|
|
|
94 DCCallVM_sparc* self = (DCCallVM_sparc*)in_self;
|
|
|
95 dcVecAppend(&self->mVecHead, &x, sizeof(DCdouble));
|
|
|
96 }
|
|
|
97
|
|
|
98 /* mode: only a single mode available currently. */
|
|
|
99 static void dc_callvm_mode_sparc(DCCallVM* in_self, DCint mode)
|
|
|
100 {
|
|
|
101 switch(mode) {
|
|
|
102 case DC_CALL_C_DEFAULT:
|
|
|
103 case DC_CALL_C_ELLIPSIS:
|
|
|
104 case DC_CALL_C_SPARC32:
|
|
|
105 break;
|
|
|
106 default:
|
|
|
107 in_self->mError = DC_ERROR_UNSUPPORTED_MODE;
|
|
|
108 break;
|
|
|
109 }
|
|
|
110 }
|
|
|
111
|
|
|
112 /* we call directly with 'RTYPE dcCall(DCCallVM* in_self, DCpointer target)' */
|
|
|
113 #if 0
|
|
|
114 /* call: delegate to default call kernel */
|
|
|
115 static void dc_callvm_call_sparc(DCCallVM* in_self, DCpointer target)
|
|
|
116 {
|
|
|
117 DCCallVM_sparc* self = (DCCallVM_sparc*)in_self;
|
|
|
118 dcCall_sparc(target, dcVecSize(&self->mVecHead), dcVecData(&self->mVecHead));
|
|
|
119 }
|
|
|
120 #endif
|
|
|
121
|
|
|
122 /* CallVM virtual table. */
|
|
|
123 DCCallVM_vt gVT_sparc =
|
|
|
124 {
|
|
|
125 &dc_callvm_free_sparc,
|
|
|
126 &dc_callvm_reset_sparc,
|
|
|
127 &dc_callvm_mode_sparc,
|
|
|
128 &dc_callvm_argBool_sparc,
|
|
|
129 &dc_callvm_argChar_sparc,
|
|
|
130 &dc_callvm_argShort_sparc,
|
|
|
131 &dc_callvm_argInt_sparc,
|
|
|
132 &dc_callvm_argLong_sparc,
|
|
|
133 &dc_callvm_argLongLong_sparc,
|
|
|
134 &dc_callvm_argFloat_sparc,
|
|
|
135 &dc_callvm_argDouble_sparc,
|
|
|
136 &dc_callvm_argPointer_sparc,
|
|
|
137 NULL /* argStruct */,
|
|
|
138 (DCvoidvmfunc*) &dcCall_sparc,
|
|
|
139 (DCboolvmfunc*) &dcCall_sparc,
|
|
|
140 (DCcharvmfunc*) &dcCall_sparc,
|
|
|
141 (DCshortvmfunc*) &dcCall_sparc,
|
|
|
142 (DCintvmfunc*) &dcCall_sparc,
|
|
|
143 (DClongvmfunc*) &dcCall_sparc,
|
|
|
144 (DClonglongvmfunc*) &dcCall_sparc,
|
|
|
145 (DCfloatvmfunc*) &dcCall_sparc,
|
|
|
146 (DCdoublevmfunc*) &dcCall_sparc,
|
|
|
147 (DCpointervmfunc*) &dcCall_sparc,
|
|
|
148 NULL /* callStruct */
|
|
|
149 };
|
|
|
150
|
|
|
151 /* Public API. */
|
|
|
152 DCCallVM* dcNewCallVM(DCsize size)
|
|
|
153 {
|
|
|
154 return dc_callvm_new_sparc(&gVT_sparc,size);
|
|
|
155 }
|
|
|
156
|
