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
|
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* Version: MPL 1.1
*
* 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/. */
/* This code is for MIPS using the O32 ABI. */
/* Platform specific code to invoke XPCOM methods on native objects */
#include "xptcprivate.h"
#include <stdint.h>
extern "C" uint32_t
invoke_count_words(uint32_t paramCount, nsXPTCVariant* s)
{
// Count a word for a0 even though it's never stored or loaded
// We do this only for alignment of register pairs.
uint32_t result = 1;
for (uint32_t i = 0; i < paramCount; i++, result++, s++)
{
if (s->IsIndirect())
continue;
switch(s->type)
{
case nsXPTType::T_I64 :
case nsXPTType::T_U64 :
case nsXPTType::T_DOUBLE :
if (result & 1)
result++;
result++;
break;
default:
break;
}
}
return (result + 1) & ~(uint32_t)1;
}
extern "C" void
invoke_copy_to_stack(uint32_t* d, uint32_t paramCount,
nsXPTCVariant* s)
{
// Skip the unused a0 slot, which we keep only for register pair alignment.
d++;
for (uint32_t i = 0; i < paramCount; i++, d++, s++)
{
if (s->IsIndirect())
{
*((void**)d) = (void*) &s->val;
continue;
}
switch(s->type)
{
case nsXPTType::T_I8 : *d = (uint32_t) s->val.i8; break;
case nsXPTType::T_I16 : *d = (uint32_t) s->val.i16; break;
case nsXPTType::T_I32 : *d = (uint32_t) s->val.i32; break;
case nsXPTType::T_I64 :
if ((intptr_t)d & 4) d++;
*((int64_t*) d) = s->val.i64; d++;
break;
case nsXPTType::T_U8 : *d = (uint32_t) s->val.u8; break;
case nsXPTType::T_U16 : *d = (uint32_t) s->val.u16; break;
case nsXPTType::T_U32 : *d = (uint32_t) s->val.u32; break;
case nsXPTType::T_U64 :
if ((intptr_t)d & 4) d++;
*((uint64_t*) d) = s->val.u64; d++;
break;
case nsXPTType::T_FLOAT : *((float*) d) = s->val.f; break;
case nsXPTType::T_DOUBLE :
if ((intptr_t)d & 4) d++;
*((double*) d) = s->val.d; d++;
break;
case nsXPTType::T_BOOL : *d = (bool) s->val.b; break;
case nsXPTType::T_CHAR : *d = (char) s->val.c; break;
case nsXPTType::T_WCHAR : *d = (wchar_t) s->val.wc; break;
default:
*((void**)d) = s->val.p;
break;
}
}
}
extern "C" nsresult _NS_InvokeByIndex(nsISupports* that, uint32_t methodIndex,
uint32_t paramCount,
nsXPTCVariant* params);
EXPORT_XPCOM_API(nsresult)
NS_InvokeByIndex(nsISupports* that, uint32_t methodIndex,
uint32_t paramCount, nsXPTCVariant* params)
{
return _NS_InvokeByIndex(that, methodIndex, paramCount, params);
}
|
