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
|
/* -*- 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"
#include "xptiprivate.h"
static nsresult ATTRIBUTE_USED
PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex,
uint32_t* a_gpr, uint64_t *a_fpr, uint32_t *a_ov)
{
#define PARAM_BUFFER_COUNT 16
nsXPTCMiniVariant paramBuffer[PARAM_BUFFER_COUNT];
nsXPTCMiniVariant* dispatchParams = nullptr;
const nsXPTMethodInfo* info;
uint8_t paramCount;
uint8_t i;
nsresult result = NS_ERROR_FAILURE;
NS_ASSERTION(self,"no self");
self->mEntry->GetMethodInfo(uint16_t(methodIndex), &info);
NS_ASSERTION(info,"no info");
paramCount = info->GetParamCount();
// setup variant array pointer
if(paramCount > PARAM_BUFFER_COUNT)
dispatchParams = new nsXPTCMiniVariant[paramCount];
else
dispatchParams = paramBuffer;
NS_ASSERTION(dispatchParams,"no place for params");
uint32_t gpr = 1, fpr = 0;
for(i = 0; i < paramCount; i++)
{
const nsXPTParamInfo& param = info->GetParam(i);
const nsXPTType& type = param.GetType();
nsXPTCMiniVariant* dp = &dispatchParams[i];
if(param.IsOut() || !type.IsArithmetic())
{
if (gpr < 5)
dp->val.p = (void*) *a_gpr++, gpr++;
else
dp->val.p = (void*) *a_ov++;
continue;
}
// else
switch(type)
{
case nsXPTType::T_I8 :
if (gpr < 5)
dp->val.i8 = *((int32_t*) a_gpr), a_gpr++, gpr++;
else
dp->val.i8 = *((int32_t*) a_ov ), a_ov++;
break;
case nsXPTType::T_I16 :
if (gpr < 5)
dp->val.i16 = *((int32_t*) a_gpr), a_gpr++, gpr++;
else
dp->val.i16 = *((int32_t*) a_ov ), a_ov++;
break;
case nsXPTType::T_I32 :
if (gpr < 5)
dp->val.i32 = *((int32_t*) a_gpr), a_gpr++, gpr++;
else
dp->val.i32 = *((int32_t*) a_ov ), a_ov++;
break;
case nsXPTType::T_I64 :
if (gpr < 4)
dp->val.i64 = *((int64_t*) a_gpr), a_gpr+=2, gpr+=2;
else
dp->val.i64 = *((int64_t*) a_ov ), a_ov+=2, gpr=5;
break;
case nsXPTType::T_U8 :
if (gpr < 5)
dp->val.u8 = *((uint32_t*)a_gpr), a_gpr++, gpr++;
else
dp->val.u8 = *((uint32_t*)a_ov ), a_ov++;
break;
case nsXPTType::T_U16 :
if (gpr < 5)
dp->val.u16 = *((uint32_t*)a_gpr), a_gpr++, gpr++;
else
dp->val.u16 = *((uint32_t*)a_ov ), a_ov++;
break;
case nsXPTType::T_U32 :
if (gpr < 5)
dp->val.u32 = *((uint32_t*)a_gpr), a_gpr++, gpr++;
else
dp->val.u32 = *((uint32_t*)a_ov ), a_ov++;
break;
case nsXPTType::T_U64 :
if (gpr < 4)
dp->val.u64 = *((uint64_t*)a_gpr), a_gpr+=2, gpr+=2;
else
dp->val.u64 = *((uint64_t*)a_ov ), a_ov+=2, gpr=5;
break;
case nsXPTType::T_FLOAT :
if (fpr < 2)
dp->val.f = *((float*) a_fpr), a_fpr++, fpr++;
else
dp->val.f = *((float*) a_ov ), a_ov++;
break;
case nsXPTType::T_DOUBLE :
if (fpr < 2)
dp->val.d = *((double*) a_fpr), a_fpr++, fpr++;
else
dp->val.d = *((double*) a_ov ), a_ov+=2;
break;
case nsXPTType::T_BOOL :
if (gpr < 5)
dp->val.b = *((uint32_t*)a_gpr), a_gpr++, gpr++;
else
dp->val.b = *((uint32_t*)a_ov ), a_ov++;
break;
case nsXPTType::T_CHAR :
if (gpr < 5)
dp->val.c = *((uint32_t*)a_gpr), a_gpr++, gpr++;
else
dp->val.c = *((uint32_t*)a_ov ), a_ov++;
break;
case nsXPTType::T_WCHAR :
if (gpr < 5)
dp->val.wc = *((uint32_t*)a_gpr), a_gpr++, gpr++;
else
dp->val.wc = *((uint32_t*)a_ov ), a_ov++;
break;
default:
NS_ERROR("bad type");
break;
}
}
result = self->mOuter->CallMethod((uint16_t)methodIndex, info, dispatchParams);
if(dispatchParams != paramBuffer)
delete [] dispatchParams;
return result;
}
#define STUB_ENTRY(n) \
nsresult nsXPTCStubBase::Stub##n() \
{ \
uint32_t a_gpr[4]; \
uint64_t a_fpr[2]; \
uint32_t *a_ov; \
\
__asm__ __volatile__ \
( \
"l %0,0(15)\n\t" \
"ahi %0,96\n\t" \
"stm 3,6,0(%3)\n\t" \
"std 0,%1\n\t" \
"std 2,%2\n\t" \
: "=&a" (a_ov), \
"=m" (a_fpr[0]), \
"=m" (a_fpr[1]) \
: "a" (a_gpr) \
: "memory", "cc", \
"3", "4", "5", "6" \
); \
\
return PrepareAndDispatch(this, n, a_gpr, a_fpr, a_ov); \
}
#define SENTINEL_ENTRY(n) \
nsresult nsXPTCStubBase::Sentinel##n() \
{ \
NS_ERROR("nsXPTCStubBase::Sentinel called"); \
return NS_ERROR_NOT_IMPLEMENTED; \
}
#include "xptcstubsdef.inc"
|
