1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/xpcom/reflect/xptcall/src/md/unix/xptcstubs_mips64.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,185 @@
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 +#include "xptcprivate.h"
1.10 +#include "xptiprivate.h"
1.11 +
1.12 +#if (_MIPS_SIM != _ABIN32)
1.13 +#error "This code is for MIPS N32 only"
1.14 +#endif
1.15 +
1.16 +/*
1.17 + * This is for MIPS N32 ABI
1.18 + *
1.19 + * When we're called, the "gp" registers are stored in gprData and
1.20 + * the "fp" registers are stored in fprData. There are 8 regs
1.21 + * available which correspond to the first 7 parameters of the
1.22 + * function and the "this" pointer. If there are additional parms,
1.23 + * they are stored on the stack at address "args".
1.24 + *
1.25 + */
1.26 +extern "C" nsresult ATTRIBUTE_USED
1.27 +PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, uint64_t* args,
1.28 + uint64_t *gprData, double *fprData)
1.29 +{
1.30 +#define PARAM_BUFFER_COUNT 16
1.31 +#define PARAM_GPR_COUNT 7
1.32 +#define PARAM_FPR_COUNT 7
1.33 +
1.34 + nsXPTCMiniVariant paramBuffer[PARAM_BUFFER_COUNT];
1.35 + nsXPTCMiniVariant* dispatchParams = nullptr;
1.36 + const nsXPTMethodInfo* info;
1.37 + uint8_t paramCount;
1.38 + uint8_t i;
1.39 + nsresult result = NS_ERROR_FAILURE;
1.40 +
1.41 + NS_ASSERTION(self,"no self");
1.42 +
1.43 + self->mEntry->GetMethodInfo(uint16_t(methodIndex), &info);
1.44 + NS_ASSERTION(info,"no method info");
1.45 +
1.46 + paramCount = info->GetParamCount();
1.47 +
1.48 + // setup variant array pointer
1.49 + if(paramCount > PARAM_BUFFER_COUNT)
1.50 + dispatchParams = new nsXPTCMiniVariant[paramCount];
1.51 + else
1.52 + dispatchParams = paramBuffer;
1.53 + NS_ASSERTION(dispatchParams,"no place for params");
1.54 +
1.55 + uint64_t* ap = args;
1.56 + uint32_t iCount = 0;
1.57 + for(i = 0; i < paramCount; i++)
1.58 + {
1.59 + const nsXPTParamInfo& param = info->GetParam(i);
1.60 + const nsXPTType& type = param.GetType();
1.61 + nsXPTCMiniVariant* dp = &dispatchParams[i];
1.62 +
1.63 + if(param.IsOut() || !type.IsArithmetic())
1.64 + {
1.65 + if (iCount < PARAM_GPR_COUNT)
1.66 + dp->val.p = (void*)gprData[iCount++];
1.67 + else
1.68 + dp->val.p = (void*)*ap++;
1.69 + continue;
1.70 + }
1.71 + // else
1.72 + switch(type)
1.73 + {
1.74 + case nsXPTType::T_I8:
1.75 + if (iCount < PARAM_GPR_COUNT)
1.76 + dp->val.i8 = (int8_t)gprData[iCount++];
1.77 + else
1.78 + dp->val.i8 = (int8_t)*ap++;
1.79 + break;
1.80 +
1.81 + case nsXPTType::T_I16:
1.82 + if (iCount < PARAM_GPR_COUNT)
1.83 + dp->val.i16 = (int16_t)gprData[iCount++];
1.84 + else
1.85 + dp->val.i16 = (int16_t)*ap++;
1.86 + break;
1.87 +
1.88 + case nsXPTType::T_I32:
1.89 + if (iCount < PARAM_GPR_COUNT)
1.90 + dp->val.i32 = (int32_t)gprData[iCount++];
1.91 + else
1.92 + dp->val.i32 = (int32_t)*ap++;
1.93 + break;
1.94 +
1.95 + case nsXPTType::T_I64:
1.96 + if (iCount < PARAM_GPR_COUNT)
1.97 + dp->val.i64 = (int64_t)gprData[iCount++];
1.98 + else
1.99 + dp->val.i64 = (int64_t)*ap++;
1.100 + break;
1.101 +
1.102 + case nsXPTType::T_U8:
1.103 + if (iCount < PARAM_GPR_COUNT)
1.104 + dp->val.u8 = (uint8_t)gprData[iCount++];
1.105 + else
1.106 + dp->val.u8 = (uint8_t)*ap++;
1.107 + break;
1.108 +
1.109 + case nsXPTType::T_U16:
1.110 + if (iCount < PARAM_GPR_COUNT)
1.111 + dp->val.u16 = (uint16_t)gprData[iCount++];
1.112 + else
1.113 + dp->val.u16 = (uint16_t)*ap++;
1.114 + break;
1.115 +
1.116 + case nsXPTType::T_U32:
1.117 + if (iCount < PARAM_GPR_COUNT)
1.118 + dp->val.u32 = (uint32_t)gprData[iCount++];
1.119 + else
1.120 + dp->val.u32 = (uint32_t)*ap++;
1.121 + break;
1.122 +
1.123 + case nsXPTType::T_U64:
1.124 + if (iCount < PARAM_GPR_COUNT)
1.125 + dp->val.u64 = (uint64_t)gprData[iCount++];
1.126 + else
1.127 + dp->val.u64 = (uint64_t)*ap++;
1.128 + break;
1.129 +
1.130 + case nsXPTType::T_FLOAT:
1.131 + if (iCount < PARAM_FPR_COUNT)
1.132 + dp->val.f = (double)fprData[iCount++];
1.133 + else
1.134 + dp->val.f = *((double*)ap++);
1.135 + break;
1.136 +
1.137 + case nsXPTType::T_DOUBLE:
1.138 + if (iCount < PARAM_FPR_COUNT)
1.139 + dp->val.d = (double)fprData[iCount++];
1.140 + else
1.141 + dp->val.d = *((double*)ap++);
1.142 + break;
1.143 +
1.144 + case nsXPTType::T_BOOL:
1.145 + if (iCount < PARAM_GPR_COUNT)
1.146 + dp->val.b = (bool)gprData[iCount++];
1.147 + else
1.148 + dp->val.b = (bool)*ap++;
1.149 + break;
1.150 +
1.151 + case nsXPTType::T_CHAR:
1.152 + if (iCount < PARAM_GPR_COUNT)
1.153 + dp->val.c = (char)gprData[iCount++];
1.154 + else
1.155 + dp->val.c = (char)*ap++;
1.156 + break;
1.157 +
1.158 + case nsXPTType::T_WCHAR:
1.159 + if (iCount < PARAM_GPR_COUNT)
1.160 + dp->val.wc = (wchar_t)gprData[iCount++];
1.161 + else
1.162 + dp->val.wc = (wchar_t)*ap++;
1.163 + break;
1.164 +
1.165 + default:
1.166 + NS_ASSERTION(0, "bad type");
1.167 + break;
1.168 + }
1.169 + }
1.170 +
1.171 + result = self->mOuter->CallMethod((uint16_t)methodIndex, info, dispatchParams);
1.172 +
1.173 + if(dispatchParams != paramBuffer)
1.174 + delete [] dispatchParams;
1.175 +
1.176 + return result;
1.177 +}
1.178 +
1.179 +#define STUB_ENTRY(n) /* defined in the assembly file */
1.180 +
1.181 +#define SENTINEL_ENTRY(n) \
1.182 +nsresult nsXPTCStubBase::Sentinel##n() \
1.183 +{ \
1.184 + NS_ASSERTION(0,"nsXPTCStubBase::Sentinel called"); \
1.185 + return NS_ERROR_NOT_IMPLEMENTED; \
1.186 +}
1.187 +
1.188 +#include "xptcstubsdef.inc"
