Source code
Revision control
Copy as Markdown
Other Tools
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* 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"
#if defined(sparc) || defined(__sparc__)
extern "C" nsresult ATTRIBUTE_USED
PrepareAndDispatch(nsXPTCStubBase* self, uint64_t methodIndex, uint64_t* args)
{
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 interface info");
paramCount = info->GetParamCount();
const uint8_t indexOfJSContext = info->IndexOfJSContext();
uint64_t* ap = args;
for(i = 0; i < paramCount; i++, ap++)
{
const nsXPTParamInfo& param = info->GetParam(i);
const nsXPTType& type = param.GetType();
nsXPTCMiniVariant* dp = ¶mBuffer[i];
if (i == indexOfJSContext)
ap++;
if(param.IsOut() || !type.IsArithmetic())
{
dp->val.p = (void*) *ap;
continue;
}
// else
switch(type)
{
case nsXPTType::T_BOOL : dp->val.b = *((int64_t*) ap); break;
case nsXPTType::T_CHAR : dp->val.c = *((uint64_t*) ap); break;
case nsXPTType::T_WCHAR : dp->val.wc = *((int64_t*) ap); break;
case nsXPTType::T_I8 : dp->val.i8 = *((int64_t*) ap); break;
case nsXPTType::T_I16 : dp->val.i16 = *((int64_t*) ap); break;
case nsXPTType::T_I32 : dp->val.i32 = *((int64_t*) ap); break;
case nsXPTType::T_I64 : dp->val.i64 = *((int64_t*) ap); break;
case nsXPTType::T_U8 : dp->val.u8 = *((uint64_t*) ap); break;
case nsXPTType::T_U16 : dp->val.u16 = *((uint64_t*)ap); break;
case nsXPTType::T_U32 : dp->val.u32 = *((uint64_t*)ap); break;
case nsXPTType::T_U64 : dp->val.u64 = *((uint64_t*) ap); break;
case nsXPTType::T_FLOAT : dp->val.f = ((float*) ap)[1]; break;
case nsXPTType::T_DOUBLE : dp->val.d = *((double*) ap); break;
default:
NS_ERROR("bad type");
break;
}
}
nsresult result = self->mOuter->CallMethod((uint16_t)methodIndex, info,
paramBuffer);
return result;
}
extern "C" nsresult SharedStub(int, int*);
/*
* Avoid GCC stack protector to wipe out input registers since the compiler
* thinks the function takes no arguments.
*/
#ifndef nostackprotector
#define nostackprotector __attribute__((__optimize__("no-stack-protector")))
#endif
#define STUB_ENTRY(n) \
nsresult nostackprotector nsXPTCStubBase::Stub##n() \
{ \
int dummy; /* defeat tail-call optimization */ \
return SharedStub(n, &dummy); \
}
#define SENTINEL_ENTRY(n) \
nsresult nsXPTCStubBase::Sentinel##n() \
{ \
NS_ERROR("nsXPTCStubBase::Sentinel called"); \
return NS_ERROR_NOT_IMPLEMENTED; \
}
#include "xptcstubsdef.inc"
#endif /* sparc || __sparc__ */