1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
|
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/* Implement shared vtbl methods. */
#include "xptcprivate.h"
/*
* This is for Windows XP 64-Bit Edition / Server 2003 for AMD64 or later.
*/
extern "C" nsresult
PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, uint64_t* args,
uint64_t *gprData, double *fprData)
{
//
// "this" pointer is first parameter, so parameter count is 3.
//
#define PARAM_GPR_COUNT 3
#define PARAM_FPR_COUNT 3
nsXPTCMiniVariant paramBuffer[PARAM_BUFFER_COUNT];
const nsXPTMethodInfo* info = nullptr;
uint8_t paramCount;
uint8_t i;
NS_ASSERTION(self,"no self");
self->mEntry->GetMethodInfo(uint16_t(methodIndex), &info);
NS_ASSERTION(info,"no method info");
paramCount = info->GetParamCount();
const uint8_t indexOfJSContext = info->IndexOfJSContext();
uint64_t* ap = args;
uint32_t iCount = 0;
for(i = 0; i < paramCount; i++)
{
const nsXPTParamInfo& param = info->GetParam(i);
const nsXPTType& type = param.GetType();
nsXPTCMiniVariant* dp = ¶mBuffer[i];
if (i == indexOfJSContext) {
if (iCount < PARAM_GPR_COUNT)
iCount++;
else
ap++;
}
if(param.IsOut() || !type.IsArithmetic())
{
if (iCount < PARAM_GPR_COUNT)
dp->val.p = (void*)gprData[iCount++];
else
dp->val.p = (void*)*ap++;
continue;
}
// else
switch(type)
{
case nsXPTType::T_I8:
if (iCount < PARAM_GPR_COUNT)
dp->val.i8 = (int8_t)gprData[iCount++];
else
dp->val.i8 = *((int8_t*)ap++);
break;
case nsXPTType::T_I16:
if (iCount < PARAM_GPR_COUNT)
dp->val.i16 = (int16_t)gprData[iCount++];
else
dp->val.i16 = *((int16_t*)ap++);
break;
case nsXPTType::T_I32:
if (iCount < PARAM_GPR_COUNT)
dp->val.i32 = (int32_t)gprData[iCount++];
else
dp->val.i32 = *((int32_t*)ap++);
break;
case nsXPTType::T_I64:
if (iCount < PARAM_GPR_COUNT)
dp->val.i64 = (int64_t)gprData[iCount++];
else
dp->val.i64 = *((int64_t*)ap++);
break;
case nsXPTType::T_U8:
if (iCount < PARAM_GPR_COUNT)
dp->val.u8 = (uint8_t)gprData[iCount++];
else
dp->val.u8 = *((uint8_t*)ap++);
break;
case nsXPTType::T_U16:
if (iCount < PARAM_GPR_COUNT)
dp->val.u16 = (uint16_t)gprData[iCount++];
else
dp->val.u16 = *((uint16_t*)ap++);
break;
case nsXPTType::T_U32:
if (iCount < PARAM_GPR_COUNT)
dp->val.u32 = (uint32_t)gprData[iCount++];
else
dp->val.u32 = *((uint32_t*)ap++);
break;
case nsXPTType::T_U64:
if (iCount < PARAM_GPR_COUNT)
dp->val.u64 = (uint64_t)gprData[iCount++];
else
dp->val.u64 = *((uint64_t*)ap++);
break;
case nsXPTType::T_FLOAT:
if (iCount < PARAM_FPR_COUNT)
// The value in xmm register is already prepared to
// be retrieved as a float. Therefore, we pass the
// value verbatim, as a double without conversion.
dp->val.d = (double)fprData[iCount++];
else
dp->val.f = *((float*)ap++);
break;
case nsXPTType::T_DOUBLE:
if (iCount < PARAM_FPR_COUNT)
dp->val.d = (double)fprData[iCount++];
else
dp->val.d = *((double*)ap++);
break;
case nsXPTType::T_BOOL:
if (iCount < PARAM_GPR_COUNT)
// We need the cast to uint8_t to remove garbage on upper 56-bit
// at first.
dp->val.b = (bool)(uint8_t)gprData[iCount++];
else
dp->val.b = *((bool*)ap++);
break;
case nsXPTType::T_CHAR:
if (iCount < PARAM_GPR_COUNT)
dp->val.c = (char)gprData[iCount++];
else
dp->val.c = *((char*)ap++);
break;
case nsXPTType::T_WCHAR:
if (iCount < PARAM_GPR_COUNT)
dp->val.wc = (wchar_t)gprData[iCount++];
else
dp->val.wc = *((wchar_t*)ap++);
break;
default:
NS_ERROR("bad type");
break;
}
}
nsresult result = self->mOuter->CallMethod((uint16_t)methodIndex, info,
paramBuffer);
return result;
}
#define STUB_ENTRY(n) /* defined in the assembly file */
#define SENTINEL_ENTRY(n) \
nsresult nsXPTCStubBase::Sentinel##n() \
{ \
NS_ERROR("nsXPTCStubBase::Sentinel called"); \
return NS_ERROR_NOT_IMPLEMENTED; \
}
#include "xptcstubsdef.inc"
void
xptc_dummy()
{
}
|
