Source code
Revision control
Copy as Markdown
Other Tools
/* -*- 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
/* Implement shared vtbl methods. */
#include "xptcprivate.h"
static nsresult ATTRIBUTE_USED
PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex,
uint64_t* a_gpr, uint64_t *a_fpr, uint64_t *a_ov)
{
nsXPTCMiniVariant paramBuffer[PARAM_BUFFER_COUNT];
const nsXPTMethodInfo* info;
uint8_t paramCount;
uint8_t i;
NS_ASSERTION(self,"no self");
self->mEntry->GetMethodInfo(uint16_t(methodIndex), &info);
NS_ASSERTION(info,"no info");
paramCount = info->ParamCount();
const uint8_t indexOfJSContext = info->IndexOfJSContext();
uint32_t gpr = 1, fpr = 0;
for(i = 0; i < paramCount; i++)
{
const nsXPTParamInfo& param = info->Param(i);
const nsXPTType& type = param.GetType();
nsXPTCMiniVariant* dp = ¶mBuffer[i];
if (i == indexOfJSContext) {
if (gpr < 5)
a_gpr++, gpr++;
else
a_ov++;
}
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 = *((int64_t*) a_gpr), a_gpr++, gpr++;
else
dp->val.i8 = *((int64_t*) a_ov ), a_ov++;
break;
case nsXPTType::T_I16 :
if (gpr < 5)
dp->val.i16 = *((int64_t*) a_gpr), a_gpr++, gpr++;
else
dp->val.i16 = *((int64_t*) a_ov ), a_ov++;
break;
case nsXPTType::T_I32 :
if (gpr < 5)
dp->val.i32 = *((int64_t*) a_gpr), a_gpr++, gpr++;
else
dp->val.i32 = *((int64_t*) a_ov ), a_ov++;
break;
case nsXPTType::T_I64 :
if (gpr < 5)
dp->val.i64 = *((int64_t*) a_gpr), a_gpr++, gpr++;
else
dp->val.i64 = *((int64_t*) a_ov ), a_ov++;
break;
case nsXPTType::T_U8 :
if (gpr < 5)
dp->val.u8 = *((uint64_t*)a_gpr), a_gpr++, gpr++;
else
dp->val.u8 = *((uint64_t*)a_ov ), a_ov++;
break;
case nsXPTType::T_U16 :
if (gpr < 5)
dp->val.u16 = *((uint64_t*)a_gpr), a_gpr++, gpr++;
else
dp->val.u16 = *((uint64_t*)a_ov ), a_ov++;
break;
case nsXPTType::T_U32 :
if (gpr < 5)
dp->val.u32 = *((uint64_t*)a_gpr), a_gpr++, gpr++;
else
dp->val.u32 = *((uint64_t*)a_ov ), a_ov++;
break;
case nsXPTType::T_U64 :
if (gpr < 5)
dp->val.u64 = *((uint64_t*)a_gpr), a_gpr++, gpr++;
else
dp->val.u64 = *((uint64_t*)a_ov ), a_ov++;
break;
case nsXPTType::T_FLOAT :
if (fpr < 4)
dp->val.f = *((float*) a_fpr), a_fpr++, fpr++;
else
dp->val.f = *(((float*) a_ov )+1), a_ov++;
break;
case nsXPTType::T_DOUBLE :
if (fpr < 4)
dp->val.d = *((double*) a_fpr), a_fpr++, fpr++;
else
dp->val.d = *((double*) a_ov ), a_ov++;
break;
case nsXPTType::T_BOOL :
if (gpr < 5)
dp->val.b = *((uint64_t*)a_gpr), a_gpr++, gpr++;
else
dp->val.b = *((uint64_t*)a_ov ), a_ov++;
break;
case nsXPTType::T_CHAR :
if (gpr < 5)
dp->val.c = *((uint64_t*)a_gpr), a_gpr++, gpr++;
else
dp->val.c = *((uint64_t*)a_ov ), a_ov++;
break;
case nsXPTType::T_WCHAR :
if (gpr < 5)
dp->val.wc = *((uint64_t*)a_gpr), a_gpr++, gpr++;
else
dp->val.wc = *((uint64_t*)a_ov ), a_ov++;
break;
default:
NS_ERROR("bad type");
break;
}
}
nsresult result = self->mOuter->CallMethod((uint16_t)methodIndex, info,
paramBuffer);
return result;
}
#define STUB_ENTRY(n) \
nsresult nsXPTCStubBase::Stub##n() \
{ \
uint64_t a_gpr[4]; \
uint64_t a_fpr[4]; \
uint64_t *a_ov; \
\
__asm__ __volatile__ \
( \
"lg %0,0(15)\n\t" \
"aghi %0,160\n\t" \
"stmg 3,6,0(%5)\n\t"\
"std 0,%1\n\t" \
"std 2,%2\n\t" \
"std 4,%3\n\t" \
"std 6,%4\n\t" \
: "=&a" (a_ov), \
"=m" (a_fpr[0]), \
"=m" (a_fpr[1]), \
"=m" (a_fpr[2]), \
"=m" (a_fpr[3]) \
: "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"