diff options
Diffstat (limited to 'src/libs/xpcom18a4/xpcom/reflect/xptcall/src/md/unix/xptcinvoke_asm_sparc_solaris_SUNW.s')
| -rw-r--r-- | src/libs/xpcom18a4/xpcom/reflect/xptcall/src/md/unix/xptcinvoke_asm_sparc_solaris_SUNW.s | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/src/libs/xpcom18a4/xpcom/reflect/xptcall/src/md/unix/xptcinvoke_asm_sparc_solaris_SUNW.s b/src/libs/xpcom18a4/xpcom/reflect/xptcall/src/md/unix/xptcinvoke_asm_sparc_solaris_SUNW.s new file mode 100644 index 00000000..b70f1b46 --- /dev/null +++ b/src/libs/xpcom18a4/xpcom/reflect/xptcall/src/md/unix/xptcinvoke_asm_sparc_solaris_SUNW.s @@ -0,0 +1,72 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- + * + * The contents of this file are subject to the Netscape 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/NPL/ + * + * 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 Netscape are + * Copyright (C) 1998 Netscape Communications Corporation. All + * Rights Reserved. + * + * Contributor(s): + */ + +/* Platform specific code to invoke XPCOM methods on native objects */ + + .global XPTC_InvokeByIndex + .type XPTC_InvokeByIndex, #function +/* + XPTC_InvokeByIndex(nsISupports* that, PRUint32 methodIndex, + PRUint32 paramCount, nsXPTCVariant* params); + +*/ +XPTC_InvokeByIndex: + save %sp,-(64 + 32),%sp ! room for the register window and + ! struct pointer, rounded up to 0 % 32 + sll %i2,3,%l0 ! assume the worst case + ! paramCount * 2 * 4 bytes + cmp %l0, 0 ! are there any args? If not, + be .invoke ! no need to copy args to stack + + sub %sp,%l0,%sp ! create the additional stack space + add %sp,72,%o0 ! step past the register window, the + ! struct result pointer and the 'this' slot + mov %i2,%o1 ! paramCount + call invoke_copy_to_stack + mov %i3,%o2 ! params + +! +! load arguments from stack into the outgoing registers +! + ld [%sp + 72],%o1 + ld [%sp + 76],%o2 + ld [%sp + 80],%o3 + ld [%sp + 84],%o4 + ld [%sp + 88],%o5 + +! +! calculate the target address from the vtable +! +.invoke: + sll %i1,2,%l0 ! index *= 4 + add %l0,8,%l0 ! there are 2 extra entries in the vTable + ld [%i0],%l1 ! *that --> address of vtable + ld [%l0 + %l1],%l0 ! that->vtable[index * 4 + 8] --> address + + jmpl %l0,%o7 ! call the routine + mov %i0,%o0 ! move 'this' pointer to out register + + mov %o0,%i0 ! propagate return value + ret + restore + + .size XPTC_InvokeByIndex, .-XPTC_InvokeByIndex |