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Diffstat (limited to '')
-rw-r--r-- | src/libs/xpcom18a4/xpcom/reflect/xptcall/src/md/unix/xptcinvoke_sparc_netbsd.cpp | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/src/libs/xpcom18a4/xpcom/reflect/xptcall/src/md/unix/xptcinvoke_sparc_netbsd.cpp b/src/libs/xpcom18a4/xpcom/reflect/xptcall/src/md/unix/xptcinvoke_sparc_netbsd.cpp new file mode 100644 index 00000000..fb2af366 --- /dev/null +++ b/src/libs/xpcom18a4/xpcom/reflect/xptcall/src/md/unix/xptcinvoke_sparc_netbsd.cpp @@ -0,0 +1,156 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* ***** BEGIN LICENSE BLOCK ***** + * Version: MPL 1.1/GPL 2.0/LGPL 2.1 + * + * The contents of this file are subject to the Mozilla Public License Version + * 1.1 (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License + * for the specific language governing rights and limitations under the + * License. + * + * The Original Code is mozilla.org code. + * + * The Initial Developer of the Original Code is + * Netscape Communications Corporation. + * Portions created by the Initial Developer are Copyright (C) 1998 + * the Initial Developer. All Rights Reserved. + * + * Contributor(s): + * + * Alternatively, the contents of this file may be used under the terms of + * either of the GNU General Public License Version 2 or later (the "GPL"), + * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), + * in which case the provisions of the GPL or the LGPL are applicable instead + * of those above. If you wish to allow use of your version of this file only + * under the terms of either the GPL or the LGPL, and not to allow others to + * use your version of this file under the terms of the MPL, indicate your + * decision by deleting the provisions above and replace them with the notice + * and other provisions required by the GPL or the LGPL. If you do not delete + * the provisions above, a recipient may use your version of this file under + * the terms of any one of the MPL, the GPL or the LGPL. + * + * ***** END LICENSE BLOCK ***** */ + +/* Platform specific code to invoke XPCOM methods on native objects */ + +#include "xptcprivate.h" + +/* solaris defines __sparc for workshop compilers and + linux defines __sparc__ */ + +#if !defined(__sparc) && !defined(__sparc__) +#error "This code is for Sparc only" +#endif + +typedef unsigned nsXPCVariant; + +extern "C" PRUint32 +invoke_count_words(PRUint32 paramCount, nsXPTCVariant* s) +{ + PRUint32 result = 0; + for(PRUint32 i = 0; i < paramCount; i++, s++) + { + if(s->IsPtrData()) + { + result++; + continue; + } + switch(s->type) + { + case nsXPTType::T_I8 : + case nsXPTType::T_I16 : + case nsXPTType::T_I32 : + result++; + break; + case nsXPTType::T_I64 : + result+=2; + break; + case nsXPTType::T_U8 : + case nsXPTType::T_U16 : + case nsXPTType::T_U32 : + result++; + break; + case nsXPTType::T_U64 : + result+=2; + break; + case nsXPTType::T_FLOAT : + result++; + break; + case nsXPTType::T_DOUBLE : + result+=2; + break; + case nsXPTType::T_BOOL : + case nsXPTType::T_CHAR : + case nsXPTType::T_WCHAR : + result++; + break; + default: + // all the others are plain pointer types + result++; + break; + } + } + // nuts, I know there's a cooler way of doing this, but it's late + // now and it'll probably come to me in the morning. + if (result & 0x3) result += 4 - (result & 0x3); // ensure q-word alignment + return result; +} + +extern "C" PRUint32 +invoke_copy_to_stack(PRUint32* d, PRUint32 paramCount, nsXPTCVariant* s) +{ +/* + We need to copy the parameters for this function to locals and use them + from there since the parameters occupy the same stack space as the stack + we're trying to populate. +*/ + uint32 *l_d = d; + nsXPTCVariant *l_s = s; + uint32 l_paramCount = paramCount; + uint32 regCount = 0; // return the number of registers to load from the stack + + typedef struct { + uint32 hi; + uint32 lo; + } DU; // have to move 64 bit entities as 32 bit halves since + // stack slots are not guaranteed 16 byte aligned + + for(uint32 i = 0; i < l_paramCount; i++, l_d++, l_s++) + { + if (regCount < 5) regCount++; + if(l_s->IsPtrData()) + { + *((void**)l_d) = l_s->ptr; + continue; + } + switch(l_s->type) + { + case nsXPTType::T_I8 : *((int32*) l_d) = l_s->val.i8; break; + case nsXPTType::T_I16 : *((int32*) l_d) = l_s->val.i16; break; + case nsXPTType::T_I32 : *((int32*) l_d) = l_s->val.i32; break; + case nsXPTType::T_I64 : + case nsXPTType::T_U64 : + case nsXPTType::T_DOUBLE : *((uint32*) l_d++) = ((DU *)l_s)->hi; + if (regCount < 5) regCount++; + *((uint32*) l_d) = ((DU *)l_s)->lo; + break; + case nsXPTType::T_U8 : *((uint32*) l_d) = l_s->val.u8; break; + case nsXPTType::T_U16 : *((uint32*) l_d) = l_s->val.u16; break; + case nsXPTType::T_U32 : *((uint32*) l_d) = l_s->val.u32; break; + case nsXPTType::T_FLOAT : *((float*) l_d) = l_s->val.f; break; + case nsXPTType::T_BOOL : *((PRBool*) l_d) = l_s->val.b; break; + case nsXPTType::T_CHAR : *((uint32*) l_d) = l_s->val.c; break; + case nsXPTType::T_WCHAR : *((int32*)l_d) = l_s->val.wc; break; + default: + // all the others are plain pointer types + *((void**)l_d) = l_s->val.p; + break; + } + } + return regCount; +} + |