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comparison: xpcom/reflect/xptcall/src/md/unix/xptcstubs_linux_m68k.cpp
xpcom/reflect/xptcall/src/md/unix/xptcstubs_linux_m68k.cpp
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:46066af60b2c |
|---|---|
| 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 #include "xptiprivate.h" | |
| 10 | |
| 11 extern "C" { | |
| 12 nsresult ATTRIBUTE_USED | |
| 13 PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, uint32_t* args) | |
| 14 { | |
| 15 #define PARAM_BUFFER_COUNT 16 | |
| 16 | |
| 17 nsXPTCMiniVariant paramBuffer[PARAM_BUFFER_COUNT]; | |
| 18 nsXPTCMiniVariant* dispatchParams = nullptr; | |
| 19 const nsXPTMethodInfo* info; | |
| 20 uint8_t paramCount; | |
| 21 uint8_t i; | |
| 22 nsresult result = NS_ERROR_FAILURE; | |
| 23 | |
| 24 NS_ASSERTION(self,"no self"); | |
| 25 | |
| 26 self->mEntry->GetMethodInfo(uint16_t(methodIndex), &info); | |
| 27 NS_ASSERTION(info,"no method info"); | |
| 28 | |
| 29 paramCount = info->GetParamCount(); | |
| 30 | |
| 31 // setup variant array pointer | |
| 32 if(paramCount > PARAM_BUFFER_COUNT) | |
| 33 dispatchParams = new nsXPTCMiniVariant[paramCount]; | |
| 34 else | |
| 35 dispatchParams = paramBuffer; | |
| 36 NS_ASSERTION(dispatchParams,"no place for params"); | |
| 37 | |
| 38 uint32_t* ap = args; | |
| 39 for(i = 0; i < paramCount; i++, ap++) | |
| 40 { | |
| 41 const nsXPTParamInfo& param = info->GetParam(i); | |
| 42 const nsXPTType& type = param.GetType(); | |
| 43 nsXPTCMiniVariant* dp = &dispatchParams[i]; | |
| 44 | |
| 45 if(param.IsOut() || !type.IsArithmetic()) | |
| 46 { | |
| 47 dp->val.p = (void*) *ap; | |
| 48 continue; | |
| 49 } | |
| 50 | |
| 51 switch(type) | |
| 52 { | |
| 53 // the 8 and 16 bit types will have been promoted to 32 bits before | |
| 54 // being pushed onto the stack. Since the 68k is big endian, we | |
| 55 // need to skip over the leading high order bytes. | |
| 56 case nsXPTType::T_I8 : dp->val.i8 = *(((int8_t*) ap) + 3); break; | |
| 57 case nsXPTType::T_I16 : dp->val.i16 = *(((int16_t*) ap) + 1); break; | |
| 58 case nsXPTType::T_I32 : dp->val.i32 = *((int32_t*) ap); break; | |
| 59 case nsXPTType::T_I64 : dp->val.i64 = *((int64_t*) ap); ap++; break; | |
| 60 case nsXPTType::T_U8 : dp->val.u8 = *(((uint8_t*) ap) + 3); break; | |
| 61 case nsXPTType::T_U16 : dp->val.u16 = *(((uint16_t*)ap) + 1); break; | |
| 62 case nsXPTType::T_U32 : dp->val.u32 = *((uint32_t*)ap); break; | |
| 63 case nsXPTType::T_U64 : dp->val.u64 = *((uint64_t*)ap); ap++; break; | |
| 64 case nsXPTType::T_FLOAT : dp->val.f = *((float*) ap); break; | |
| 65 case nsXPTType::T_DOUBLE : dp->val.d = *((double*) ap); ap++; break; | |
| 66 case nsXPTType::T_BOOL : dp->val.b = *((uint32_t* ap); break; | |
| 67 case nsXPTType::T_CHAR : dp->val.c = *(((char*) ap) + 3); break; | |
| 68 case nsXPTType::T_WCHAR : dp->val.wc = *((wchar_t*) ap); break; | |
| 69 default: | |
| 70 NS_ERROR("bad type"); | |
| 71 break; | |
| 72 } | |
| 73 } | |
| 74 | |
| 75 result = self->mOuter->CallMethod((uint16_t)methodIndex, info, dispatchParams); | |
| 76 | |
| 77 if(dispatchParams != paramBuffer) | |
| 78 delete [] dispatchParams; | |
| 79 | |
| 80 return result; | |
| 81 } | |
| 82 } | |
| 83 | |
| 84 #define STUB_ENTRY(n) \ | |
| 85 nsresult nsXPTCStubBase::Stub##n() \ | |
| 86 { \ | |
| 87 void *frame = __builtin_frame_address(0); \ | |
| 88 return PrepareAndDispatch(this, n, (uint32_t*)frame + 3); \ | |
| 89 } | |
| 90 | |
| 91 #define SENTINEL_ENTRY(n) \ | |
| 92 nsresult nsXPTCStubBase::Sentinel##n() \ | |
| 93 { \ | |
| 94 NS_ERROR("nsXPTCStubBase::Sentinel called"); \ | |
| 95 return NS_ERROR_NOT_IMPLEMENTED; \ | |
| 96 } | |
| 97 | |
| 98 #include "xptcstubsdef.inc" |
