michael@0: /* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
michael@0:  * Version: MPL 1.1
michael@0:  *
michael@0:  * This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: /* This code is for MIPS using the O32 ABI. */
michael@0: 
michael@0: /* Platform specific code to invoke XPCOM methods on native objects */
michael@0: 
michael@0: #include "xptcprivate.h"
michael@0: 
michael@0: #include <stdint.h>
michael@0: 
michael@0: extern "C" uint32_t
michael@0: invoke_count_words(uint32_t paramCount, nsXPTCVariant* s)
michael@0: {
michael@0:     // Count a word for a0 even though it's never stored or loaded
michael@0:     // We do this only for alignment of register pairs.
michael@0:     uint32_t result = 1;
michael@0:     for (uint32_t i = 0; i < paramCount; i++, result++, s++)
michael@0:     {
michael@0:         if (s->IsPtrData())
michael@0:             continue;
michael@0: 
michael@0:         switch(s->type)
michael@0:         {
michael@0:         case nsXPTType::T_I64    :
michael@0:         case nsXPTType::T_U64    :
michael@0:         case nsXPTType::T_DOUBLE :
michael@0: 	    if (result & 1)
michael@0: 		result++;
michael@0: 	    result++;
michael@0: 	    break;
michael@0: 
michael@0:         default:
michael@0:             break;
michael@0:         }
michael@0:     }
michael@0:     return (result + 1) & ~(uint32_t)1;
michael@0: }
michael@0: 
michael@0: extern "C" void
michael@0: invoke_copy_to_stack(uint32_t* d, uint32_t paramCount,
michael@0:                      nsXPTCVariant* s)
michael@0: {
michael@0:     // Skip the unused a0 slot, which we keep only for register pair alignment.
michael@0:     d++;
michael@0: 
michael@0:     for (uint32_t i = 0; i < paramCount; i++, d++, s++)
michael@0:     {
michael@0:         if (s->IsPtrData())
michael@0:         {
michael@0:             *((void**)d) = s->ptr;
michael@0:             continue;
michael@0:         }
michael@0: 
michael@0:         switch(s->type)
michael@0:         {
michael@0:         case nsXPTType::T_I8     : *d = (uint32_t) s->val.i8;   break;
michael@0:         case nsXPTType::T_I16    : *d = (uint32_t) s->val.i16;  break;
michael@0:         case nsXPTType::T_I32    : *d = (uint32_t) s->val.i32;  break;
michael@0:         case nsXPTType::T_I64    :
michael@0:             if ((intptr_t)d & 4) d++;
michael@0:             *((int64_t*) d)  = s->val.i64;    d++;
michael@0:             break;
michael@0:         case nsXPTType::T_U8     : *d = (uint32_t) s->val.u8;   break;
michael@0:         case nsXPTType::T_U16    : *d = (uint32_t) s->val.u16;  break;
michael@0:         case nsXPTType::T_U32    : *d = (uint32_t) s->val.u32;  break;
michael@0:         case nsXPTType::T_U64    :
michael@0:             if ((intptr_t)d & 4) d++;
michael@0:             *((uint64_t*) d) = s->val.u64;    d++;
michael@0:             break;
michael@0:         case nsXPTType::T_FLOAT  : *((float*)   d) = s->val.f;  break;
michael@0:         case nsXPTType::T_DOUBLE :
michael@0:             if ((intptr_t)d & 4) d++;
michael@0:             *((double*)   d) = s->val.d;      d++;
michael@0:             break;
michael@0:         case nsXPTType::T_BOOL   : *d = (bool)  s->val.b;     break;
michael@0:         case nsXPTType::T_CHAR   : *d = (char)    s->val.c;     break;
michael@0:         case nsXPTType::T_WCHAR  : *d = (wchar_t) s->val.wc;    break;
michael@0:         default:
michael@0:             *((void**)d) = s->val.p;
michael@0:             break;
michael@0:         }
michael@0:     }
michael@0: }
michael@0: 
michael@0: extern "C" nsresult _NS_InvokeByIndex(nsISupports* that, uint32_t methodIndex,
michael@0:                                         uint32_t paramCount,
michael@0:                                         nsXPTCVariant* params);
michael@0: 
michael@0: EXPORT_XPCOM_API(nsresult)
michael@0: NS_InvokeByIndex(nsISupports* that, uint32_t methodIndex,
michael@0:                    uint32_t paramCount, nsXPTCVariant* params)
michael@0: {
michael@0:     return _NS_InvokeByIndex(that, methodIndex, paramCount, params);
michael@0: }