1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/xpcom/reflect/xptcall/src/md/unix/xptcinvoke_mips.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,99 @@
1.4 +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
1.5 + * Version: MPL 1.1
1.6 + *
1.7 + * This Source Code Form is subject to the terms of the Mozilla Public
1.8 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.9 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.10 +
1.11 +/* This code is for MIPS using the O32 ABI. */
1.12 +
1.13 +/* Platform specific code to invoke XPCOM methods on native objects */
1.14 +
1.15 +#include "xptcprivate.h"
1.16 +
1.17 +#include <stdint.h>
1.18 +
1.19 +extern "C" uint32_t
1.20 +invoke_count_words(uint32_t paramCount, nsXPTCVariant* s)
1.21 +{
1.22 + // Count a word for a0 even though it's never stored or loaded
1.23 + // We do this only for alignment of register pairs.
1.24 + uint32_t result = 1;
1.25 + for (uint32_t i = 0; i < paramCount; i++, result++, s++)
1.26 + {
1.27 + if (s->IsPtrData())
1.28 + continue;
1.29 +
1.30 + switch(s->type)
1.31 + {
1.32 + case nsXPTType::T_I64 :
1.33 + case nsXPTType::T_U64 :
1.34 + case nsXPTType::T_DOUBLE :
1.35 + if (result & 1)
1.36 + result++;
1.37 + result++;
1.38 + break;
1.39 +
1.40 + default:
1.41 + break;
1.42 + }
1.43 + }
1.44 + return (result + 1) & ~(uint32_t)1;
1.45 +}
1.46 +
1.47 +extern "C" void
1.48 +invoke_copy_to_stack(uint32_t* d, uint32_t paramCount,
1.49 + nsXPTCVariant* s)
1.50 +{
1.51 + // Skip the unused a0 slot, which we keep only for register pair alignment.
1.52 + d++;
1.53 +
1.54 + for (uint32_t i = 0; i < paramCount; i++, d++, s++)
1.55 + {
1.56 + if (s->IsPtrData())
1.57 + {
1.58 + *((void**)d) = s->ptr;
1.59 + continue;
1.60 + }
1.61 +
1.62 + switch(s->type)
1.63 + {
1.64 + case nsXPTType::T_I8 : *d = (uint32_t) s->val.i8; break;
1.65 + case nsXPTType::T_I16 : *d = (uint32_t) s->val.i16; break;
1.66 + case nsXPTType::T_I32 : *d = (uint32_t) s->val.i32; break;
1.67 + case nsXPTType::T_I64 :
1.68 + if ((intptr_t)d & 4) d++;
1.69 + *((int64_t*) d) = s->val.i64; d++;
1.70 + break;
1.71 + case nsXPTType::T_U8 : *d = (uint32_t) s->val.u8; break;
1.72 + case nsXPTType::T_U16 : *d = (uint32_t) s->val.u16; break;
1.73 + case nsXPTType::T_U32 : *d = (uint32_t) s->val.u32; break;
1.74 + case nsXPTType::T_U64 :
1.75 + if ((intptr_t)d & 4) d++;
1.76 + *((uint64_t*) d) = s->val.u64; d++;
1.77 + break;
1.78 + case nsXPTType::T_FLOAT : *((float*) d) = s->val.f; break;
1.79 + case nsXPTType::T_DOUBLE :
1.80 + if ((intptr_t)d & 4) d++;
1.81 + *((double*) d) = s->val.d; d++;
1.82 + break;
1.83 + case nsXPTType::T_BOOL : *d = (bool) s->val.b; break;
1.84 + case nsXPTType::T_CHAR : *d = (char) s->val.c; break;
1.85 + case nsXPTType::T_WCHAR : *d = (wchar_t) s->val.wc; break;
1.86 + default:
1.87 + *((void**)d) = s->val.p;
1.88 + break;
1.89 + }
1.90 + }
1.91 +}
1.92 +
1.93 +extern "C" nsresult _NS_InvokeByIndex(nsISupports* that, uint32_t methodIndex,
1.94 + uint32_t paramCount,
1.95 + nsXPTCVariant* params);
1.96 +
1.97 +EXPORT_XPCOM_API(nsresult)
1.98 +NS_InvokeByIndex(nsISupports* that, uint32_t methodIndex,
1.99 + uint32_t paramCount, nsXPTCVariant* params)
1.100 +{
1.101 + return _NS_InvokeByIndex(that, methodIndex, paramCount, params);
1.102 +}
