xpcom/reflect/xptcall/src/md/unix/xptcstubs_linux_m68k.cpp

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/xpcom/reflect/xptcall/src/md/unix/xptcstubs_linux_m68k.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,98 @@
     1.4 +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
     1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +
     1.9 +/* Implement shared vtbl methods. */
    1.10 +
    1.11 +#include "xptcprivate.h"
    1.12 +#include "xptiprivate.h"
    1.13 +
    1.14 +extern "C" {
    1.15 +    nsresult ATTRIBUTE_USED
    1.16 +    PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, uint32_t* args)
    1.17 +    {
    1.18 +#define PARAM_BUFFER_COUNT     16
    1.19 +
    1.20 +        nsXPTCMiniVariant paramBuffer[PARAM_BUFFER_COUNT];
    1.21 +        nsXPTCMiniVariant* dispatchParams = nullptr;
    1.22 +        const nsXPTMethodInfo* info;
    1.23 +        uint8_t paramCount;
    1.24 +        uint8_t i;
    1.25 +        nsresult result = NS_ERROR_FAILURE;
    1.26 +
    1.27 +        NS_ASSERTION(self,"no self");
    1.28 +
    1.29 +        self->mEntry->GetMethodInfo(uint16_t(methodIndex), &info);
    1.30 +        NS_ASSERTION(info,"no method info");
    1.31 +
    1.32 +        paramCount = info->GetParamCount();
    1.33 +
    1.34 +        // setup variant array pointer
    1.35 +        if(paramCount > PARAM_BUFFER_COUNT)
    1.36 +            dispatchParams = new nsXPTCMiniVariant[paramCount];
    1.37 +        else
    1.38 +            dispatchParams = paramBuffer;
    1.39 +        NS_ASSERTION(dispatchParams,"no place for params");
    1.40 +
    1.41 +        uint32_t* ap = args;
    1.42 +        for(i = 0; i < paramCount; i++, ap++)
    1.43 +        {
    1.44 +            const nsXPTParamInfo& param = info->GetParam(i);
    1.45 +            const nsXPTType& type = param.GetType();
    1.46 +            nsXPTCMiniVariant* dp = &dispatchParams[i];
    1.47 +
    1.48 +            if(param.IsOut() || !type.IsArithmetic())
    1.49 +            {
    1.50 +                dp->val.p = (void*) *ap;
    1.51 +                continue;
    1.52 +            }
    1.53 +
    1.54 +            switch(type)
    1.55 +            {
    1.56 +            // the 8 and 16 bit types will have been promoted to 32 bits before
    1.57 +            // being pushed onto the stack. Since the 68k is big endian, we
    1.58 +            // need to skip over the leading high order bytes.
    1.59 +            case nsXPTType::T_I8     : dp->val.i8  = *(((int8_t*) ap) + 3);  break;
    1.60 +            case nsXPTType::T_I16    : dp->val.i16 = *(((int16_t*) ap) + 1); break;
    1.61 +            case nsXPTType::T_I32    : dp->val.i32 = *((int32_t*) ap);       break;
    1.62 +            case nsXPTType::T_I64    : dp->val.i64 = *((int64_t*) ap); ap++; break;
    1.63 +            case nsXPTType::T_U8     : dp->val.u8  = *(((uint8_t*) ap) + 3); break;
    1.64 +            case nsXPTType::T_U16    : dp->val.u16 = *(((uint16_t*)ap) + 1); break;
    1.65 +            case nsXPTType::T_U32    : dp->val.u32 = *((uint32_t*)ap);       break;
    1.66 +            case nsXPTType::T_U64    : dp->val.u64 = *((uint64_t*)ap); ap++; break;
    1.67 +            case nsXPTType::T_FLOAT  : dp->val.f   = *((float*)   ap);       break;
    1.68 +            case nsXPTType::T_DOUBLE : dp->val.d   = *((double*)  ap); ap++; break;
    1.69 +            case nsXPTType::T_BOOL   : dp->val.b   = *((uint32_t* ap);       break;
    1.70 +            case nsXPTType::T_CHAR   : dp->val.c   = *(((char*)   ap) + 3);  break;
    1.71 +            case nsXPTType::T_WCHAR  : dp->val.wc  = *((wchar_t*) ap);       break;
    1.72 +            default:
    1.73 +                NS_ERROR("bad type");
    1.74 +                break;
    1.75 +            }
    1.76 +        }
    1.77 +
    1.78 +        result = self->mOuter->CallMethod((uint16_t)methodIndex, info, dispatchParams);
    1.79 +
    1.80 +        if(dispatchParams != paramBuffer)
    1.81 +            delete [] dispatchParams;
    1.82 +
    1.83 +        return result;
    1.84 +    }
    1.85 +}
    1.86 +
    1.87 +#define STUB_ENTRY(n) \
    1.88 +nsresult nsXPTCStubBase::Stub##n() \
    1.89 +{ \
    1.90 +  void *frame = __builtin_frame_address(0); \
    1.91 +  return PrepareAndDispatch(this, n, (uint32_t*)frame + 3); \
    1.92 +}
    1.93 +
    1.94 +#define SENTINEL_ENTRY(n) \
    1.95 +nsresult nsXPTCStubBase::Sentinel##n() \
    1.96 +{ \
    1.97 +    NS_ERROR("nsXPTCStubBase::Sentinel called"); \
    1.98 +    return NS_ERROR_NOT_IMPLEMENTED; \
    1.99 +}
   1.100 +
   1.101 +#include "xptcstubsdef.inc"

mercurial