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lightning-sunbird  0.9+nobinonly
Defines | Functions
xptcstubs_netbsd_m68k.cpp File Reference
#include "xptcprivate.h"
#include "xptcstubsdef.inc"

Go to the source code of this file.

Defines

#define PARAM_BUFFER_COUNT   16
#define STUB_ENTRY(n)
#define SENTINEL_ENTRY(n)

Functions

static nsresult PrepareAndDispatch (nsXPTCStubBase *self, uint32 methodIndex, uint32 *args)

Define Documentation

Value:
nsresult nsXPTCStubBase::Sentinel##n() \
{ \
    NS_ASSERTION(0,"nsXPTCStubBase::Sentinel called"); \
    return NS_ERROR_NOT_IMPLEMENTED; \
}

Definition at line 140 of file xptcstubs_netbsd_m68k.cpp.

Value:
__asm__(                                                       \
    ".global  _Stub"#n"__14nsXPTCStubBase\n\t"                 \
"_Stub"#n"__14nsXPTCStubBase:\n\t"                             \
    "link  a6,#0                   \n\t"                       \
    "lea   a6@(12), a0                    \n\t"  /* pointer to args */       \
    "movl  a0, sp@-                \n\t"                       \
    "movl  #"#n", sp@-                    \n\t"  /* method index */   \
    "movl  a6@(8), sp@-                   \n\t"  /* this */           \
    "jbsr  _PrepareAndDispatch            \n\t"                       \
    "unlk  a6                      \n\t"                       \
    "rts                           \n\t"                       \
);

Definition at line 126 of file xptcstubs_netbsd_m68k.cpp.


Function Documentation

static nsresult PrepareAndDispatch ( nsXPTCStubBase *  self,
uint32  methodIndex,
uint32 args 
) [static]

Definition at line 48 of file xptcstubs_netbsd_m68k.cpp.

    {
#define PARAM_BUFFER_COUNT     16

        nsXPTCMiniVariant paramBuffer[PARAM_BUFFER_COUNT];
        nsXPTCMiniVariant* dispatchParams = NULL;
        nsIInterfaceInfo* iface_info = NULL;
        const nsXPTMethodInfo* info;
        PRUint8 paramCount;
        PRUint8 i;
        nsresult result = NS_ERROR_FAILURE;

        NS_ASSERTION(self,"no self");

        self->GetInterfaceInfo(&iface_info);
        NS_ASSERTION(iface_info,"no interface info");

        iface_info->GetMethodInfo(PRUint16(methodIndex), &info);
        NS_ASSERTION(info,"no interface info");

        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");

        PRUint32* ap = args;
        for(i = 0; i < paramCount; i++, ap++)
        {
            const nsXPTParamInfo& param = info->GetParam(i);
            const nsXPTType& type = param.GetType();
            nsXPTCMiniVariant* dp = &dispatchParams[i];

            if(param.IsOut() || !type.IsArithmetic())
            {
                dp->val.p = (void*) *ap;
                continue;
            }

            switch(type)
            {
            // the 8 and 16 bit types will have been promoted to 32 bits before
            // being pushed onto the stack. Since the 68k is big endian, we
            // need to skip over the leading high order bytes.
            case nsXPTType::T_I8     : dp->val.i8  = *(((PRInt8*) ap) + 3);  break;
            case nsXPTType::T_I16    : dp->val.i16 = *(((PRInt16*) ap) + 1); break;
            case nsXPTType::T_I32    : dp->val.i32 = *((PRInt32*) ap);       break;
            case nsXPTType::T_I64    : dp->val.i64 = *((PRInt64*) ap); ap++; break;
            case nsXPTType::T_U8     : dp->val.u8  = *(((PRUint8*) ap) + 3); break;
            case nsXPTType::T_U16    : dp->val.u16 = *(((PRUint16*)ap) + 1); break;
            case nsXPTType::T_U32    : dp->val.u32 = *((PRUint32*)ap);       break;
            case nsXPTType::T_U64    : dp->val.u64 = *((PRUint64*)ap); ap++; break;
            case nsXPTType::T_FLOAT  : dp->val.f   = *((float*)   ap);       break;
            case nsXPTType::T_DOUBLE : dp->val.d   = *((double*)  ap); ap++; break;
            case nsXPTType::T_BOOL   : dp->val.b   = *((PRBool*)  ap);       break;
            case nsXPTType::T_CHAR   : dp->val.c   = *(((char*)   ap) + 3);  break;
            // wchar_t is an int (32 bits) on NetBSD
            case nsXPTType::T_WCHAR  : dp->val.wc  = *((wchar_t*) ap);       break;
            default:
                NS_ASSERTION(0, "bad type");
                break;
            }
        }

        result = self->CallMethod((PRUint16)methodIndex, info, dispatchParams);

        NS_RELEASE(iface_info);

        if(dispatchParams != paramBuffer)
            delete [] dispatchParams;

        return result;
    }

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