xpcom/reflect/xptcall/src/md/unix/xptcstubs_arm_netbsd.cpp@b8a032363ba2 (annotated)
xpcom/reflect/xptcall/src/md/unix/xptcstubs_arm_netbsd.cpp
Thu, 22 Jan 2015 13:21:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 22 Jan 2015 13:21:57 +0100
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
- permissions
- -rw-r--r--
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
| michael@0 | 1 | /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ |
| michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | /* Implement shared vtbl methods. */ |
| michael@0 | 7 | |
| michael@0 | 8 | #include "xptcprivate.h" |
| michael@0 | 9 | |
| michael@0 | 10 | nsresult ATTRIBUTE_USED |
| michael@0 | 11 | PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, uint32_t* args) |
| michael@0 | 12 | { |
| michael@0 | 13 | #define PARAM_BUFFER_COUNT 16 |
| michael@0 | 14 | |
| michael@0 | 15 | nsXPTCMiniVariant paramBuffer[PARAM_BUFFER_COUNT]; |
| michael@0 | 16 | nsXPTCMiniVariant* dispatchParams = nullptr; |
| michael@0 | 17 | nsIInterfaceInfo* iface_info = nullptr; |
| michael@0 | 18 | const nsXPTMethodInfo* info; |
| michael@0 | 19 | uint8_t paramCount; |
| michael@0 | 20 | uint8_t i; |
| michael@0 | 21 | nsresult result = NS_ERROR_FAILURE; |
| michael@0 | 22 | |
| michael@0 | 23 | NS_ASSERTION(self,"no self"); |
| michael@0 | 24 | |
| michael@0 | 25 | self->GetInterfaceInfo(&iface_info); |
| michael@0 | 26 | NS_ASSERTION(iface_info,"no interface info"); |
| michael@0 | 27 | |
| michael@0 | 28 | iface_info->GetMethodInfo(uint16_t(methodIndex), &info); |
| michael@0 | 29 | NS_ASSERTION(info,"no interface info"); |
| michael@0 | 30 | |
| michael@0 | 31 | paramCount = info->GetParamCount(); |
| michael@0 | 32 | |
| michael@0 | 33 | // setup variant array pointer |
| michael@0 | 34 | if(paramCount > PARAM_BUFFER_COUNT) |
| michael@0 | 35 | dispatchParams = new nsXPTCMiniVariant[paramCount]; |
| michael@0 | 36 | else |
| michael@0 | 37 | dispatchParams = paramBuffer; |
| michael@0 | 38 | NS_ASSERTION(dispatchParams,"no place for params"); |
| michael@0 | 39 | |
| michael@0 | 40 | uint32_t* ap = args; |
| michael@0 | 41 | for(i = 0; i < paramCount; i++, ap++) |
| michael@0 | 42 | { |
| michael@0 | 43 | const nsXPTParamInfo& param = info->GetParam(i); |
| michael@0 | 44 | const nsXPTType& type = param.GetType(); |
| michael@0 | 45 | nsXPTCMiniVariant* dp = &dispatchParams[i]; |
| michael@0 | 46 | |
| michael@0 | 47 | if(param.IsOut() || !type.IsArithmetic()) |
| michael@0 | 48 | { |
| michael@0 | 49 | dp->val.p = (void*) *ap; |
| michael@0 | 50 | continue; |
| michael@0 | 51 | } |
| michael@0 | 52 | // else |
| michael@0 | 53 | switch(type) |
| michael@0 | 54 | { |
| michael@0 | 55 | case nsXPTType::T_I8 : dp->val.i8 = *((int8_t*) ap); break; |
| michael@0 | 56 | case nsXPTType::T_I16 : dp->val.i16 = *((int16_t*) ap); break; |
| michael@0 | 57 | case nsXPTType::T_I32 : dp->val.i32 = *((int32_t*) ap); break; |
| michael@0 | 58 | case nsXPTType::T_I64 : dp->val.i64 = *((int64_t*) ap); ap++; break; |
| michael@0 | 59 | case nsXPTType::T_U8 : dp->val.u8 = *((uint8_t*) ap); break; |
| michael@0 | 60 | case nsXPTType::T_U16 : dp->val.u16 = *((uint16_t*)ap); break; |
| michael@0 | 61 | case nsXPTType::T_U32 : dp->val.u32 = *((uint32_t*)ap); break; |
| michael@0 | 62 | case nsXPTType::T_U64 : dp->val.u64 = *((uint64_t*)ap); ap++; break; |
| michael@0 | 63 | case nsXPTType::T_FLOAT : dp->val.f = *((float*) ap); break; |
| michael@0 | 64 | case nsXPTType::T_DOUBLE : dp->val.d = *((double*) ap); ap++; break; |
| michael@0 | 65 | case nsXPTType::T_BOOL : dp->val.b = *((bool*) ap); break; |
| michael@0 | 66 | case nsXPTType::T_CHAR : dp->val.c = *((char*) ap); break; |
| michael@0 | 67 | case nsXPTType::T_WCHAR : dp->val.wc = *((wchar_t*) ap); break; |
| michael@0 | 68 | default: |
| michael@0 | 69 | NS_ERROR("bad type"); |
| michael@0 | 70 | break; |
| michael@0 | 71 | } |
| michael@0 | 72 | } |
| michael@0 | 73 | |
| michael@0 | 74 | result = self->CallMethod((uint16_t)methodIndex, info, dispatchParams); |
| michael@0 | 75 | |
| michael@0 | 76 | NS_RELEASE(iface_info); |
| michael@0 | 77 | |
| michael@0 | 78 | if(dispatchParams != paramBuffer) |
| michael@0 | 79 | delete [] dispatchParams; |
| michael@0 | 80 | |
| michael@0 | 81 | return result; |
| michael@0 | 82 | } |
| michael@0 | 83 | |
| michael@0 | 84 | /* |
| michael@0 | 85 | * These stubs move just move the values passed in registers onto the stack, |
| michael@0 | 86 | * so they are contiguous with values passed on the stack, and then calls |
| michael@0 | 87 | * PrepareAndDispatch() to do the dirty work. |
| michael@0 | 88 | */ |
| michael@0 | 89 | |
| michael@0 | 90 | #define STUB_ENTRY(n) \ |
| michael@0 | 91 | __asm__( \ |
| michael@0 | 92 | ".global _Stub"#n"__14nsXPTCStubBase\n\t" \ |
| michael@0 | 93 | "_Stub"#n"__14nsXPTCStubBase:\n\t" \ |
| michael@0 | 94 | "stmfd sp!, {r1, r2, r3} \n\t" \ |
| michael@0 | 95 | "mov ip, sp \n\t" \ |
| michael@0 | 96 | "stmfd sp!, {fp, ip, lr, pc} \n\t" \ |
| michael@0 | 97 | "sub fp, ip, #4 \n\t" \ |
| michael@0 | 98 | "mov r1, #"#n" \n\t" /* = methodIndex */ \ |
| michael@0 | 99 | "add r2, sp, #16 \n\t" \ |
| michael@0 | 100 | "bl _PrepareAndDispatch__FP14nsXPTCStubBaseUiPUi \n\t" \ |
| michael@0 | 101 | "ldmea fp, {fp, sp, lr} \n\t" \ |
| michael@0 | 102 | "add sp, sp, #12 \n\t" \ |
| michael@0 | 103 | "mov pc, lr \n\t" \ |
| michael@0 | 104 | ); |
| michael@0 | 105 | |
| michael@0 | 106 | #define SENTINEL_ENTRY(n) \ |
| michael@0 | 107 | nsresult nsXPTCStubBase::Sentinel##n() \ |
| michael@0 | 108 | { \ |
| michael@0 | 109 | NS_ERROR("nsXPTCStubBase::Sentinel called"); \ |
| michael@0 | 110 | return NS_ERROR_NOT_IMPLEMENTED; \ |
| michael@0 | 111 | } |
| michael@0 | 112 | |
| michael@0 | 113 | #include "xptcstubsdef.inc" |
