1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /* This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this
4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
5
6 /* Implement shared vtbl methods. */
7
8 #include "xptcprivate.h"
9
10 #if defined(sparc) || defined(__sparc__)
11
12 extern "C" nsresult ATTRIBUTE_USED
PrepareAndDispatch(nsXPTCStubBase * self,uint32_t methodIndex,uint32_t * args)13 PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, uint32_t* args)
14 {
15
16 typedef struct {
17 uint32_t hi;
18 uint32_t lo;
19 } DU; // have to move 64 bit entities as 32 bit halves since
20 // stack slots are not guaranteed 16 byte aligned
21
22
23 nsXPTCMiniVariant paramBuffer[PARAM_BUFFER_COUNT];
24 const nsXPTInterfaceInfo* iface_info = nullptr;
25 const nsXPTMethodInfo* info;
26 uint8_t paramCount;
27 uint8_t i;
28
29 NS_ASSERTION(self,"no self");
30
31 self->GetInterfaceInfo(&iface_info);
32 NS_ASSERTION(iface_info,"no interface info");
33
34 iface_info->GetMethodInfo(uint16_t(methodIndex), &info);
35 NS_ASSERTION(info,"no interface info");
36
37 paramCount = info->GetParamCount();
38
39 uint32_t* ap = args;
40 for(i = 0; i < paramCount; i++, ap++)
41 {
42 const nsXPTParamInfo& param = info->GetParam(i);
43 const nsXPTType& type = param.GetType();
44 nsXPTCMiniVariant* dp = ¶mBuffer[i];
45
46 if(param.IsOut() || !type.IsArithmetic())
47 {
48 if (type == nsXPTType::T_JSVAL)
49 dp->val.p = *((void**) *ap);
50 else
51 dp->val.p = (void*) *ap;
52 continue;
53 }
54 // else
55 switch(type)
56 {
57 case nsXPTType::T_I8 : dp->val.i8 = *((int32_t*) ap); break;
58 case nsXPTType::T_I16 : dp->val.i16 = *((int32_t*) ap); break;
59 case nsXPTType::T_I32 : dp->val.i32 = *((int32_t*) ap); break;
60 case nsXPTType::T_DOUBLE :
61 case nsXPTType::T_U64 :
62 case nsXPTType::T_I64 : ((DU *)dp)->hi = ((DU *)ap)->hi;
63 ((DU *)dp)->lo = ((DU *)ap)->lo;
64 ap++;
65 break;
66 case nsXPTType::T_U8 : dp->val.u8 = *((uint32_t*)ap); break;
67 case nsXPTType::T_U16 : dp->val.u16 = *((uint32_t*)ap); break;
68 case nsXPTType::T_U32 : dp->val.u32 = *((uint32_t*)ap); break;
69 case nsXPTType::T_FLOAT : dp->val.f = *((float*) ap); break;
70 case nsXPTType::T_BOOL : dp->val.b = *((uint32_t*)ap); break;
71 case nsXPTType::T_CHAR : dp->val.c = *((uint32_t*)ap); break;
72 case nsXPTType::T_WCHAR : dp->val.wc = *((int32_t*) ap); break;
73 default:
74 NS_ERROR("bad type");
75 break;
76 }
77 }
78
79 nsresult result = self->CallMethod((uint16_t)methodIndex, info,
80 paramBuffer);
81
82 return result;
83 }
84
85 extern "C" nsresult SharedStub(int, int*);
86
87 #define STUB_ENTRY(n) \
88 nsresult nsXPTCStubBase::Stub##n() \
89 { \
90 int dummy; /* defeat tail-call optimization */ \
91 return SharedStub(n, &dummy); \
92 }
93
94 #define SENTINEL_ENTRY(n) \
95 nsresult nsXPTCStubBase::Sentinel##n() \
96 { \
97 NS_ERROR("nsXPTCStubBase::Sentinel called"); \
98 return NS_ERROR_NOT_IMPLEMENTED; \
99 }
100
101 #include "xptcstubsdef.inc"
102
103 #endif /* sparc || __sparc__ */
104