diff options
Diffstat (limited to '')
-rw-r--r-- | xpcom/reflect/xptcall/md/unix/xptcinvoke_mips.cpp | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/xpcom/reflect/xptcall/md/unix/xptcinvoke_mips.cpp b/xpcom/reflect/xptcall/md/unix/xptcinvoke_mips.cpp new file mode 100644 index 0000000000..b811730c5b --- /dev/null +++ b/xpcom/reflect/xptcall/md/unix/xptcinvoke_mips.cpp @@ -0,0 +1,99 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- + * Version: MPL 1.1 + * + * 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/. */ + +/* This code is for MIPS using the O32 ABI. */ + +/* Platform specific code to invoke XPCOM methods on native objects */ + +#include "xptcprivate.h" + +#include <stdint.h> + +extern "C" uint32_t +invoke_count_words(uint32_t paramCount, nsXPTCVariant* s) +{ + // Count a word for a0 even though it's never stored or loaded + // We do this only for alignment of register pairs. + uint32_t result = 1; + for (uint32_t i = 0; i < paramCount; i++, result++, s++) + { + if (s->IsIndirect()) + continue; + + switch(s->type) + { + case nsXPTType::T_I64 : + case nsXPTType::T_U64 : + case nsXPTType::T_DOUBLE : + if (result & 1) + result++; + result++; + break; + + default: + break; + } + } + return (result + 1) & ~(uint32_t)1; +} + +extern "C" void +invoke_copy_to_stack(uint32_t* d, uint32_t paramCount, + nsXPTCVariant* s) +{ + // Skip the unused a0 slot, which we keep only for register pair alignment. + d++; + + for (uint32_t i = 0; i < paramCount; i++, d++, s++) + { + if (s->IsIndirect()) + { + *((void**)d) = (void*) &s->val; + continue; + } + + switch(s->type) + { + case nsXPTType::T_I8 : *d = (uint32_t) s->val.i8; break; + case nsXPTType::T_I16 : *d = (uint32_t) s->val.i16; break; + case nsXPTType::T_I32 : *d = (uint32_t) s->val.i32; break; + case nsXPTType::T_I64 : + if ((intptr_t)d & 4) d++; + *((int64_t*) d) = s->val.i64; d++; + break; + case nsXPTType::T_U8 : *d = (uint32_t) s->val.u8; break; + case nsXPTType::T_U16 : *d = (uint32_t) s->val.u16; break; + case nsXPTType::T_U32 : *d = (uint32_t) s->val.u32; break; + case nsXPTType::T_U64 : + if ((intptr_t)d & 4) d++; + *((uint64_t*) d) = s->val.u64; d++; + break; + case nsXPTType::T_FLOAT : *((float*) d) = s->val.f; break; + case nsXPTType::T_DOUBLE : + if ((intptr_t)d & 4) d++; + *((double*) d) = s->val.d; d++; + break; + case nsXPTType::T_BOOL : *d = (bool) s->val.b; break; + case nsXPTType::T_CHAR : *d = (char) s->val.c; break; + case nsXPTType::T_WCHAR : *d = (wchar_t) s->val.wc; break; + default: + *((void**)d) = s->val.p; + break; + } + } +} + +extern "C" nsresult _NS_InvokeByIndex(nsISupports* that, uint32_t methodIndex, + uint32_t paramCount, + nsXPTCVariant* params); + +EXPORT_XPCOM_API(nsresult) +NS_InvokeByIndex(nsISupports* that, uint32_t methodIndex, + uint32_t paramCount, nsXPTCVariant* params) +{ + return _NS_InvokeByIndex(that, methodIndex, paramCount, params); +} |