1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/xpcom/reflect/xptcall/src/md/unix/xptcstubs_arm_netbsd.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,113 @@
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 +/* Implement shared vtbl methods. */
1.10 +
1.11 +#include "xptcprivate.h"
1.12 +
1.13 +nsresult ATTRIBUTE_USED
1.14 +PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, uint32_t* args)
1.15 +{
1.16 +#define PARAM_BUFFER_COUNT 16
1.17 +
1.18 + nsXPTCMiniVariant paramBuffer[PARAM_BUFFER_COUNT];
1.19 + nsXPTCMiniVariant* dispatchParams = nullptr;
1.20 + nsIInterfaceInfo* iface_info = nullptr;
1.21 + const nsXPTMethodInfo* info;
1.22 + uint8_t paramCount;
1.23 + uint8_t i;
1.24 + nsresult result = NS_ERROR_FAILURE;
1.25 +
1.26 + NS_ASSERTION(self,"no self");
1.27 +
1.28 + self->GetInterfaceInfo(&iface_info);
1.29 + NS_ASSERTION(iface_info,"no interface info");
1.30 +
1.31 + iface_info->GetMethodInfo(uint16_t(methodIndex), &info);
1.32 + NS_ASSERTION(info,"no interface info");
1.33 +
1.34 + paramCount = info->GetParamCount();
1.35 +
1.36 + // setup variant array pointer
1.37 + if(paramCount > PARAM_BUFFER_COUNT)
1.38 + dispatchParams = new nsXPTCMiniVariant[paramCount];
1.39 + else
1.40 + dispatchParams = paramBuffer;
1.41 + NS_ASSERTION(dispatchParams,"no place for params");
1.42 +
1.43 + uint32_t* ap = args;
1.44 + for(i = 0; i < paramCount; i++, ap++)
1.45 + {
1.46 + const nsXPTParamInfo& param = info->GetParam(i);
1.47 + const nsXPTType& type = param.GetType();
1.48 + nsXPTCMiniVariant* dp = &dispatchParams[i];
1.49 +
1.50 + if(param.IsOut() || !type.IsArithmetic())
1.51 + {
1.52 + dp->val.p = (void*) *ap;
1.53 + continue;
1.54 + }
1.55 + // else
1.56 + switch(type)
1.57 + {
1.58 + case nsXPTType::T_I8 : dp->val.i8 = *((int8_t*) ap); break;
1.59 + case nsXPTType::T_I16 : dp->val.i16 = *((int16_t*) ap); break;
1.60 + case nsXPTType::T_I32 : dp->val.i32 = *((int32_t*) ap); break;
1.61 + case nsXPTType::T_I64 : dp->val.i64 = *((int64_t*) ap); ap++; break;
1.62 + case nsXPTType::T_U8 : dp->val.u8 = *((uint8_t*) ap); break;
1.63 + case nsXPTType::T_U16 : dp->val.u16 = *((uint16_t*)ap); break;
1.64 + case nsXPTType::T_U32 : dp->val.u32 = *((uint32_t*)ap); break;
1.65 + case nsXPTType::T_U64 : dp->val.u64 = *((uint64_t*)ap); ap++; break;
1.66 + case nsXPTType::T_FLOAT : dp->val.f = *((float*) ap); break;
1.67 + case nsXPTType::T_DOUBLE : dp->val.d = *((double*) ap); ap++; break;
1.68 + case nsXPTType::T_BOOL : dp->val.b = *((bool*) ap); break;
1.69 + case nsXPTType::T_CHAR : dp->val.c = *((char*) ap); break;
1.70 + case nsXPTType::T_WCHAR : dp->val.wc = *((wchar_t*) ap); break;
1.71 + default:
1.72 + NS_ERROR("bad type");
1.73 + break;
1.74 + }
1.75 + }
1.76 +
1.77 + result = self->CallMethod((uint16_t)methodIndex, info, dispatchParams);
1.78 +
1.79 + NS_RELEASE(iface_info);
1.80 +
1.81 + if(dispatchParams != paramBuffer)
1.82 + delete [] dispatchParams;
1.83 +
1.84 + return result;
1.85 +}
1.86 +
1.87 +/*
1.88 + * These stubs move just move the values passed in registers onto the stack,
1.89 + * so they are contiguous with values passed on the stack, and then calls
1.90 + * PrepareAndDispatch() to do the dirty work.
1.91 + */
1.92 +
1.93 +#define STUB_ENTRY(n) \
1.94 +__asm__( \
1.95 + ".global _Stub"#n"__14nsXPTCStubBase\n\t" \
1.96 +"_Stub"#n"__14nsXPTCStubBase:\n\t" \
1.97 + "stmfd sp!, {r1, r2, r3} \n\t" \
1.98 + "mov ip, sp \n\t" \
1.99 + "stmfd sp!, {fp, ip, lr, pc} \n\t" \
1.100 + "sub fp, ip, #4 \n\t" \
1.101 + "mov r1, #"#n" \n\t" /* = methodIndex */ \
1.102 + "add r2, sp, #16 \n\t" \
1.103 + "bl _PrepareAndDispatch__FP14nsXPTCStubBaseUiPUi \n\t" \
1.104 + "ldmea fp, {fp, sp, lr} \n\t" \
1.105 + "add sp, sp, #12 \n\t" \
1.106 + "mov pc, lr \n\t" \
1.107 +);
1.108 +
1.109 +#define SENTINEL_ENTRY(n) \
1.110 +nsresult nsXPTCStubBase::Sentinel##n() \
1.111 +{ \
1.112 + NS_ERROR("nsXPTCStubBase::Sentinel called"); \
1.113 + return NS_ERROR_NOT_IMPLEMENTED; \
1.114 +}
1.115 +
1.116 +#include "xptcstubsdef.inc"
