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comparison: xpcom/reflect/xptcall/src/md/unix/xptcstubs_arm_netbsd.cpp
xpcom/reflect/xptcall/src/md/unix/xptcstubs_arm_netbsd.cpp
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:2c2e5cce377f |
|---|---|
| 1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 /* Implement shared vtbl methods. */ | |
| 7 | |
| 8 #include "xptcprivate.h" | |
| 9 | |
| 10 nsresult ATTRIBUTE_USED | |
| 11 PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, uint32_t* args) | |
| 12 { | |
| 13 #define PARAM_BUFFER_COUNT 16 | |
| 14 | |
| 15 nsXPTCMiniVariant paramBuffer[PARAM_BUFFER_COUNT]; | |
| 16 nsXPTCMiniVariant* dispatchParams = nullptr; | |
| 17 nsIInterfaceInfo* iface_info = nullptr; | |
| 18 const nsXPTMethodInfo* info; | |
| 19 uint8_t paramCount; | |
| 20 uint8_t i; | |
| 21 nsresult result = NS_ERROR_FAILURE; | |
| 22 | |
| 23 NS_ASSERTION(self,"no self"); | |
| 24 | |
| 25 self->GetInterfaceInfo(&iface_info); | |
| 26 NS_ASSERTION(iface_info,"no interface info"); | |
| 27 | |
| 28 iface_info->GetMethodInfo(uint16_t(methodIndex), &info); | |
| 29 NS_ASSERTION(info,"no interface info"); | |
| 30 | |
| 31 paramCount = info->GetParamCount(); | |
| 32 | |
| 33 // setup variant array pointer | |
| 34 if(paramCount > PARAM_BUFFER_COUNT) | |
| 35 dispatchParams = new nsXPTCMiniVariant[paramCount]; | |
| 36 else | |
| 37 dispatchParams = paramBuffer; | |
| 38 NS_ASSERTION(dispatchParams,"no place for params"); | |
| 39 | |
| 40 uint32_t* ap = args; | |
| 41 for(i = 0; i < paramCount; i++, ap++) | |
| 42 { | |
| 43 const nsXPTParamInfo& param = info->GetParam(i); | |
| 44 const nsXPTType& type = param.GetType(); | |
| 45 nsXPTCMiniVariant* dp = &dispatchParams[i]; | |
| 46 | |
| 47 if(param.IsOut() || !type.IsArithmetic()) | |
| 48 { | |
| 49 dp->val.p = (void*) *ap; | |
| 50 continue; | |
| 51 } | |
| 52 // else | |
| 53 switch(type) | |
| 54 { | |
| 55 case nsXPTType::T_I8 : dp->val.i8 = *((int8_t*) ap); break; | |
| 56 case nsXPTType::T_I16 : dp->val.i16 = *((int16_t*) ap); break; | |
| 57 case nsXPTType::T_I32 : dp->val.i32 = *((int32_t*) ap); break; | |
| 58 case nsXPTType::T_I64 : dp->val.i64 = *((int64_t*) ap); ap++; break; | |
| 59 case nsXPTType::T_U8 : dp->val.u8 = *((uint8_t*) ap); break; | |
| 60 case nsXPTType::T_U16 : dp->val.u16 = *((uint16_t*)ap); break; | |
| 61 case nsXPTType::T_U32 : dp->val.u32 = *((uint32_t*)ap); break; | |
| 62 case nsXPTType::T_U64 : dp->val.u64 = *((uint64_t*)ap); ap++; break; | |
| 63 case nsXPTType::T_FLOAT : dp->val.f = *((float*) ap); break; | |
| 64 case nsXPTType::T_DOUBLE : dp->val.d = *((double*) ap); ap++; break; | |
| 65 case nsXPTType::T_BOOL : dp->val.b = *((bool*) ap); break; | |
| 66 case nsXPTType::T_CHAR : dp->val.c = *((char*) ap); break; | |
| 67 case nsXPTType::T_WCHAR : dp->val.wc = *((wchar_t*) ap); break; | |
| 68 default: | |
| 69 NS_ERROR("bad type"); | |
| 70 break; | |
| 71 } | |
| 72 } | |
| 73 | |
| 74 result = self->CallMethod((uint16_t)methodIndex, info, dispatchParams); | |
| 75 | |
| 76 NS_RELEASE(iface_info); | |
| 77 | |
| 78 if(dispatchParams != paramBuffer) | |
| 79 delete [] dispatchParams; | |
| 80 | |
| 81 return result; | |
| 82 } | |
| 83 | |
| 84 /* | |
| 85 * These stubs move just move the values passed in registers onto the stack, | |
| 86 * so they are contiguous with values passed on the stack, and then calls | |
| 87 * PrepareAndDispatch() to do the dirty work. | |
| 88 */ | |
| 89 | |
| 90 #define STUB_ENTRY(n) \ | |
| 91 __asm__( \ | |
| 92 ".global _Stub"#n"__14nsXPTCStubBase\n\t" \ | |
| 93 "_Stub"#n"__14nsXPTCStubBase:\n\t" \ | |
| 94 "stmfd sp!, {r1, r2, r3} \n\t" \ | |
| 95 "mov ip, sp \n\t" \ | |
| 96 "stmfd sp!, {fp, ip, lr, pc} \n\t" \ | |
| 97 "sub fp, ip, #4 \n\t" \ | |
| 98 "mov r1, #"#n" \n\t" /* = methodIndex */ \ | |
| 99 "add r2, sp, #16 \n\t" \ | |
| 100 "bl _PrepareAndDispatch__FP14nsXPTCStubBaseUiPUi \n\t" \ | |
| 101 "ldmea fp, {fp, sp, lr} \n\t" \ | |
| 102 "add sp, sp, #12 \n\t" \ | |
| 103 "mov pc, lr \n\t" \ | |
| 104 ); | |
| 105 | |
| 106 #define SENTINEL_ENTRY(n) \ | |
| 107 nsresult nsXPTCStubBase::Sentinel##n() \ | |
| 108 { \ | |
| 109 NS_ERROR("nsXPTCStubBase::Sentinel called"); \ | |
| 110 return NS_ERROR_NOT_IMPLEMENTED; \ | |
| 111 } | |
| 112 | |
| 113 #include "xptcstubsdef.inc" |
