diff options
Diffstat (limited to '')
| -rw-r--r-- | src/libs/xpcom18a4/xpcom/reflect/xptcall/src/md/unix/xptcinvoke_linux_m68k.cpp | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/src/libs/xpcom18a4/xpcom/reflect/xptcall/src/md/unix/xptcinvoke_linux_m68k.cpp b/src/libs/xpcom18a4/xpcom/reflect/xptcall/src/md/unix/xptcinvoke_linux_m68k.cpp new file mode 100644 index 00000000..363e45e0 --- /dev/null +++ b/src/libs/xpcom18a4/xpcom/reflect/xptcall/src/md/unix/xptcinvoke_linux_m68k.cpp @@ -0,0 +1,170 @@ +/* -*- 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" + +// Remember that these 'words' are 32bit DWORDS + +extern "C" { + static 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; + } + } + return result; + } + + void + invoke_copy_to_stack(PRUint32* d, PRUint32 paramCount, nsXPTCVariant* s) + { + for(PRUint32 i = 0; i < paramCount; i++, d++, s++) + { + if(s->IsPtrData()) + { + *((void**)d) = s->ptr; + continue; + } + switch(s->type) + { + // 8 and 16 bit types should be promoted to 32 bits when copying + // onto the stack. + case nsXPTType::T_I8 : *((PRUint32*)d) = s->val.i8; break; + case nsXPTType::T_I16 : *((PRUint32*)d) = s->val.i16; break; + case nsXPTType::T_I32 : *((PRInt32*) d) = s->val.i32; break; + case nsXPTType::T_I64 : *((PRInt64*) d) = s->val.i64; d++; break; + case nsXPTType::T_U8 : *((PRUint32*)d) = s->val.u8; break; + case nsXPTType::T_U16 : *((PRUint32*)d) = s->val.u16; break; + case nsXPTType::T_U32 : *((PRUint32*)d) = s->val.u32; break; + case nsXPTType::T_U64 : *((PRUint64*)d) = s->val.u64; d++; break; + case nsXPTType::T_FLOAT : *((float*) d) = s->val.f; break; + case nsXPTType::T_DOUBLE : *((double*) d) = s->val.d; d++; break; + case nsXPTType::T_BOOL : *((PRBool*) d) = s->val.b; break; + case nsXPTType::T_CHAR : *((PRUint32*)d) = s->val.c; break; + case nsXPTType::T_WCHAR : *((wchar_t*) d) = s->val.wc; break; + + default: + // all the others are plain pointer types + *((void**)d) = s->val.p; + break; + } + } + } +} + +XPTC_PUBLIC_API(nsresult) +XPTC_InvokeByIndex(nsISupports* that, PRUint32 methodIndex, + PRUint32 paramCount, nsXPTCVariant* params) +{ + PRUint32 result, n; + + n = invoke_count_words(paramCount, params) * 4; + + __asm__ __volatile__( + "subl %5, %/sp\n\t" /* make room for params */ + "movl %/sp, %/a0\n\t" + "movl %4, %/sp@-\n\t" + "movl %3, %/sp@-\n\t" + "movl %/a0, %/sp@-\n\t" + "jbsr invoke_copy_to_stack\n\t" /* copy params */ + "addl #12, %/sp\n\t" + "movl %1, %/a0\n\t" + "movl %/a0, %/sp@-\n\t" + "movl %/a0@, %/a0\n\t" + "movl %2, %/d0\n\t" /* function index */ +#if defined(__GXX_ABI_VERSION) && __GXX_ABI_VERSION >= 100 /* G++ V3 ABI */ + "movl %/a0@(%/d0:l:4), %/a0\n\t" +#else /* not V3 */ + "movl %/a0@(8,%/d0:l:4), %/a0\n\t" +#endif + "jbsr %/a0@\n\t" /* safe to not cleanup sp */ + "movl %/d0, %0\n\t" + "addql #4, %/sp\n\t" + "addl %5, %/sp" + : "=g" (result) /* %0 */ + : "g" (that), /* %1 */ + "g" (methodIndex), /* %2 */ + "g" (paramCount), /* %3 */ + "g" (params), /* %4 */ + "g" (n) /* %5 */ + : "a0", "a1", "d0", "d1", "memory" + ); + + return result; +} |