diff options
Diffstat (limited to 'xpcom/reflect/xptcall/md/unix/xptcstubs_linux_m68k.cpp')
| -rw-r--r-- | xpcom/reflect/xptcall/md/unix/xptcstubs_linux_m68k.cpp | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/xpcom/reflect/xptcall/md/unix/xptcstubs_linux_m68k.cpp b/xpcom/reflect/xptcall/md/unix/xptcstubs_linux_m68k.cpp new file mode 100644 index 000000000..3720a5c37 --- /dev/null +++ b/xpcom/reflect/xptcall/md/unix/xptcstubs_linux_m68k.cpp @@ -0,0 +1,98 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +/* Implement shared vtbl methods. */ + +#include "xptcprivate.h" +#include "xptiprivate.h" + +extern "C" { + nsresult ATTRIBUTE_USED + PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, uint32_t* args) + { +#define PARAM_BUFFER_COUNT 16 + + nsXPTCMiniVariant paramBuffer[PARAM_BUFFER_COUNT]; + nsXPTCMiniVariant* dispatchParams = nullptr; + const nsXPTMethodInfo* info; + uint8_t paramCount; + uint8_t i; + nsresult result = NS_ERROR_FAILURE; + + NS_ASSERTION(self,"no self"); + + self->mEntry->GetMethodInfo(uint16_t(methodIndex), &info); + NS_ASSERTION(info,"no method info"); + + paramCount = info->GetParamCount(); + + // setup variant array pointer + if(paramCount > PARAM_BUFFER_COUNT) + dispatchParams = new nsXPTCMiniVariant[paramCount]; + else + dispatchParams = paramBuffer; + NS_ASSERTION(dispatchParams,"no place for params"); + + uint32_t* ap = args; + for(i = 0; i < paramCount; i++, ap++) + { + const nsXPTParamInfo& param = info->GetParam(i); + const nsXPTType& type = param.GetType(); + nsXPTCMiniVariant* dp = &dispatchParams[i]; + + if(param.IsOut() || !type.IsArithmetic()) + { + dp->val.p = (void*) *ap; + continue; + } + + switch(type) + { + // the 8 and 16 bit types will have been promoted to 32 bits before + // being pushed onto the stack. Since the 68k is big endian, we + // need to skip over the leading high order bytes. + case nsXPTType::T_I8 : dp->val.i8 = *(((int8_t*) ap) + 3); break; + case nsXPTType::T_I16 : dp->val.i16 = *(((int16_t*) ap) + 1); break; + case nsXPTType::T_I32 : dp->val.i32 = *((int32_t*) ap); break; + case nsXPTType::T_I64 : dp->val.i64 = *((int64_t*) ap); ap++; break; + case nsXPTType::T_U8 : dp->val.u8 = *(((uint8_t*) ap) + 3); break; + case nsXPTType::T_U16 : dp->val.u16 = *(((uint16_t*)ap) + 1); break; + case nsXPTType::T_U32 : dp->val.u32 = *((uint32_t*)ap); break; + case nsXPTType::T_U64 : dp->val.u64 = *((uint64_t*)ap); ap++; break; + case nsXPTType::T_FLOAT : dp->val.f = *((float*) ap); break; + case nsXPTType::T_DOUBLE : dp->val.d = *((double*) ap); ap++; break; + case nsXPTType::T_BOOL : dp->val.b = *((uint32_t* ap); break; + case nsXPTType::T_CHAR : dp->val.c = *(((char*) ap) + 3); break; + case nsXPTType::T_WCHAR : dp->val.wc = *((wchar_t*) ap); break; + default: + NS_ERROR("bad type"); + break; + } + } + + result = self->mOuter->CallMethod((uint16_t)methodIndex, info, dispatchParams); + + if(dispatchParams != paramBuffer) + delete [] dispatchParams; + + return result; + } +} + +#define STUB_ENTRY(n) \ +nsresult nsXPTCStubBase::Stub##n() \ +{ \ + void *frame = __builtin_frame_address(0); \ + return PrepareAndDispatch(this, n, (uint32_t*)frame + 3); \ +} + +#define SENTINEL_ENTRY(n) \ +nsresult nsXPTCStubBase::Sentinel##n() \ +{ \ + NS_ERROR("nsXPTCStubBase::Sentinel called"); \ + return NS_ERROR_NOT_IMPLEMENTED; \ +} + +#include "xptcstubsdef.inc" |