[Amizilla-cvs] amizilla/xpcom/reflect/xptcall/src/md/unix xptcinvoke_amigaos_m68k.cpp,NONE,1.1 xptcstubs_amigaos_m68k.cpp,NONE,1.1

[Jeff S. <jsh...@us...>]

Update of /cvsroot/amizilla/amizilla/xpcom/reflect/xptcall/src/md/unix
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv2897

Added Files:
	xptcinvoke_amigaos_m68k.cpp xptcstubs_amigaos_m68k.cpp 
Log Message:
AmigaOS implementation. Copied from *_linux_m68k.cpp.


--- NEW FILE: xptcinvoke_amigaos_m68k.cpp ---
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: NPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Netscape Public License
 * Version 1.1 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at
 * http://www.mozilla.org/NPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is mozilla.org code.
 *
 * The Initial Developer of the Original Code is 
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or 
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the NPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the NPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

/* Platform specific code to invoke XPCOM methods on native objects */

#include "xptcprivate.h"

// Remember that these 'words' are 32bit DWORDS

extern "C" {
    static PRUint32
    invoke_count_words(PRUint32 paramCount, nsXPTCVariant* s)
    {
        PRUint32 result = 0;
        for(PRUint32 i = 0; i < paramCount; i++, s++)
        {
            if(s->IsPtrData())
            {
                result++;
                continue;
            }
            switch(s->type)
            {
            case nsXPTType::T_I8     :
            case nsXPTType::T_I16    :
            case nsXPTType::T_I32    :
                result++;
                break;
            case nsXPTType::T_I64    :
                result+=2;
                break;
            case nsXPTType::T_U8     :
            case nsXPTType::T_U16    :
            case nsXPTType::T_U32    :
                result++;
                break;
            case nsXPTType::T_U64    :
                result+=2;
                break;
            case nsXPTType::T_FLOAT  :
                result++;
                break;
            case nsXPTType::T_DOUBLE :
                result+=2;
                break;
            case nsXPTType::T_BOOL   :
            case nsXPTType::T_CHAR   :
            case nsXPTType::T_WCHAR  :
                result++;
                break;
            default:
                // all the others are plain pointer types
                result++;
                break;
            }
        }
        return result;
    }

    void
    invoke_copy_to_stack(PRUint32* d, PRUint32 paramCount, nsXPTCVariant* s)
    {
        for(PRUint32 i = 0; i < paramCount; i++, d++, s++)
        {
            if(s->IsPtrData())
            {
                *((void**)d) = s->ptr;
                continue;
            }
            switch(s->type)
            {
            // 8 and 16 bit types should be promoted to 32 bits when copying
            // onto the stack.
            case nsXPTType::T_I8     : *((PRUint32*)d) = s->val.i8;          break;
            case nsXPTType::T_I16    : *((PRUint32*)d) = s->val.i16;         break;
            case nsXPTType::T_I32    : *((PRInt32*) d) = s->val.i32;         break;
            case nsXPTType::T_I64    : *((PRInt64*) d) = s->val.i64; d++;    break;
            case nsXPTType::T_U8     : *((PRUint32*)d) = s->val.u8;          break;
            case nsXPTType::T_U16    : *((PRUint32*)d) = s->val.u16;         break;
            case nsXPTType::T_U32    : *((PRUint32*)d) = s->val.u32;         break;
            case nsXPTType::T_U64    : *((PRUint64*)d) = s->val.u64; d++;    break;
            case nsXPTType::T_FLOAT  : *((float*)   d) = s->val.f;           break;
            case nsXPTType::T_DOUBLE : *((double*)  d) = s->val.d;   d++;    break;
            case nsXPTType::T_BOOL   : *((PRBool*)  d) = s->val.b;           break;
            case nsXPTType::T_CHAR   : *((PRUint32*)d) = s->val.c;           break;
            case nsXPTType::T_WCHAR  : *((wchar_t*) d) = s->val.wc;          break;

            default:
                // all the others are plain pointer types
                *((void**)d) = s->val.p;
                break;
            }
        }
    }
}

XPTC_PUBLIC_API(nsresult)
XPTC_InvokeByIndex(nsISupports* that, PRUint32 methodIndex,
                   PRUint32 paramCount, nsXPTCVariant* params)
{
    PRUint32 result, n;

    n = invoke_count_words(paramCount, params) * 4;

 __asm__ __volatile__(
    "subl  %5, %/sp\n\t"      /* make room for params */
    "movl  %/sp, %/a0\n\t"
    "movl  %4, %/sp@-\n\t"
    "movl  %3, %/sp@-\n\t"
    "movl  %/a0, %/sp@-\n\t"
    "jbsr  _invoke_copy_to_stack\n\t"   /* copy params */
    "addl  #12, %/sp\n\t"
    "movl  %1, %/a0\n\t"
    "movl  %/a0, %/sp@-\n\t"
    "movl  %/a0@, %/a0\n\t"
    "movl  %2, %/d0\n\t"      /* function index */
#if defined(__GXX_ABI_VERSION) && __GXX_ABI_VERSION >= 100 /* G++ V3 ABI */
    "movl  %/a0@(%/d0:l:4), %/a0\n\t"
#else /* not V3 */
    "movl  %/a0@(8,%/d0:l:4), %/a0\n\t"		      
#endif
    "jbsr  %/a0@\n\t"         /* safe to not cleanup sp */
    "movl  %/d0, %0\n\t"
    "addql #4, %/sp\n\t"
    "addl  %5, %/sp"
    : "=g" (result)         /* %0 */
    : "g" (that),           /* %1 */
      "g" (methodIndex),    /* %2 */
      "g" (paramCount),     /* %3 */
      "g" (params),         /* %4 */
      "g" (n)               /* %5 */
    : "a0", "a1", "d0", "d1", "memory"
    );
  
  return result;
}

--- NEW FILE: xptcstubs_amigaos_m68k.cpp ---
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: NPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Netscape Public License
 * Version 1.1 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at
 * http://www.mozilla.org/NPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is mozilla.org code.
 *
 * The Initial Developer of the Original Code is 
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1999
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or 
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the NPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the NPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

/* Implement shared vtbl methods. */

#include "xptcprivate.h"

extern "C" {
    nsresult
    PrepareAndDispatch(nsXPTCStubBase* self, uint32 methodIndex, uint32* args)
    {
#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;
            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;
    }
}

#define STUB_ENTRY(n) \
nsresult nsXPTCStubBase::Stub##n() \
{ \
  register nsresult result; \
  __asm__ __volatile__( \
    "lea   %/a6@(12), %/a0\n\t"       /* args */ \
    "movl  %/a0, %/sp@-\n\t" \
    "movl  #"#n", %/sp@-\n\t"       /* method index */ \
    "movl  %/a6@(8), %/sp@-\n\t"      /* this */ \
    "jbsr  _PrepareAndDispatch\n\t" \
    "movl  %/d0, %0\n\t" \
    "addl  #12, %/sp" \
    : "=d" (result)     /* %0 */ \
    : \
    : "a0", "a1", "d0", "d1", "memory" ); \
    return result; \
}

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

#include "xptcstubsdef.inc"