diff options
Diffstat (limited to 'xpcom/reflect/xptcall/md/unix/xptcstubs_ipf64.cpp')
| -rw-r--r-- | xpcom/reflect/xptcall/md/unix/xptcstubs_ipf64.cpp | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/xpcom/reflect/xptcall/md/unix/xptcstubs_ipf64.cpp b/xpcom/reflect/xptcall/md/unix/xptcstubs_ipf64.cpp new file mode 100644 index 0000000000..fea9e8e3d7 --- /dev/null +++ b/xpcom/reflect/xptcall/md/unix/xptcstubs_ipf64.cpp @@ -0,0 +1,154 @@ + +/* -*- 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/. */ + + +#include "xptcprivate.h" +#include "xptiprivate.h" + +#include <stddef.h> +#include <stdlib.h> +#include <stdint.h> + +// "This code is for IA64 only" + +/* Implement shared vtbl methods. */ + +extern "C" nsresult ATTRIBUTE_USED +PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, + uint64_t* intargs, uint64_t* floatargs, uint64_t* restargs) +{ + +#define PARAM_BUFFER_COUNT 16 + + nsXPTCMiniVariant paramBuffer[PARAM_BUFFER_COUNT]; + nsXPTCMiniVariant* dispatchParams = nullptr; + const nsXPTMethodInfo* info; + nsresult result = NS_ERROR_FAILURE; + uint64_t* iargs = intargs; + uint64_t* fargs = floatargs; + uint8_t paramCount; + uint8_t i; + + NS_ASSERTION(self,"no self"); + + self->mEntry->GetMethodInfo(uint16_t(methodIndex), &info); + NS_ASSERTION(info,"no method info"); + if (! info) + return NS_ERROR_UNEXPECTED; + + 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"); + if (! dispatchParams) + return NS_ERROR_OUT_OF_MEMORY; + + for(i = 0; i < paramCount; ++i) + { + int isfloat = 0; + const nsXPTParamInfo& param = info->GetParam(i); + const nsXPTType& type = param.GetType(); + nsXPTCMiniVariant* dp = &dispatchParams[i]; + + if(param.IsOut() || !type.IsArithmetic()) + { +#ifdef __LP64__ + /* 64 bit pointer mode */ + dp->val.p = (void*) *iargs; +#else + /* 32 bit pointer mode */ + uint32_t* adr = (uint32_t*) iargs; + dp->val.p = (void*) (*(adr+1)); +#endif + } + else + switch(type) + { + case nsXPTType::T_I8 : dp->val.i8 = *(iargs); break; + case nsXPTType::T_I16 : dp->val.i16 = *(iargs); break; + case nsXPTType::T_I32 : dp->val.i32 = *(iargs); break; + case nsXPTType::T_I64 : dp->val.i64 = *(iargs); break; + case nsXPTType::T_U8 : dp->val.u8 = *(iargs); break; + case nsXPTType::T_U16 : dp->val.u16 = *(iargs); break; + case nsXPTType::T_U32 : dp->val.u32 = *(iargs); break; + case nsXPTType::T_U64 : dp->val.u64 = *(iargs); break; + case nsXPTType::T_FLOAT : + isfloat = 1; + if (i < 7) + dp->val.f = (float) *((double*) fargs); /* register */ + else + dp->val.u32 = *(fargs); /* memory */ + break; + case nsXPTType::T_DOUBLE : + isfloat = 1; + dp->val.u64 = *(fargs); + break; + case nsXPTType::T_BOOL : dp->val.b = *(iargs); break; + case nsXPTType::T_CHAR : dp->val.c = *(iargs); break; + case nsXPTType::T_WCHAR : dp->val.wc = *(iargs); break; + default: + NS_ERROR("bad type"); + break; + } + if (i < 7) + { + /* we are parsing register arguments */ + if (i == 6) + { + // run out of register arguments, move on to memory arguments + iargs = restargs; + fargs = restargs; + } + else + { + ++iargs; // advance one integer register slot + if (isfloat) ++fargs; // advance float register slot if isfloat + } + } + else + { + /* we are parsing memory arguments */ + ++iargs; + ++fargs; + } + } + + result = self->mOuter->CallMethod((uint16_t) methodIndex, info, dispatchParams); + + if(dispatchParams != paramBuffer) + delete [] dispatchParams; + + return result; +} + +extern "C" nsresult SharedStub(uint64_t,uint64_t,uint64_t,uint64_t, + uint64_t,uint64_t,uint64_t,uint64_t,uint64_t,uint64_t *); + +/* Variable a0-a7 were put there so we can have access to the 8 input + registers on Stubxyz entry */ + +#define STUB_ENTRY(n) \ +nsresult nsXPTCStubBase::Stub##n(uint64_t a1, \ +uint64_t a2,uint64_t a3,uint64_t a4,uint64_t a5,uint64_t a6,uint64_t a7, \ +uint64_t a8) \ +{ uint64_t a0 = (uint64_t) this; \ + return SharedStub(a0,a1,a2,a3,a4,a5,a6,a7,(uint64_t) n, &a8); \ +} + +#define SENTINEL_ENTRY(n) \ +nsresult nsXPTCStubBase::Sentinel##n() \ +{ \ + NS_ERROR("nsXPTCStubBase::Sentinel called"); \ + return NS_ERROR_NOT_IMPLEMENTED; \ +} + +#include "xptcstubsdef.inc" + |