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Diffstat (limited to '')
-rw-r--r-- | src/libs/xpcom18a4/xpcom/reflect/xptcall/src/md/unix/xptcstubs_asm_sparcv9_solaris.s | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/src/libs/xpcom18a4/xpcom/reflect/xptcall/src/md/unix/xptcstubs_asm_sparcv9_solaris.s b/src/libs/xpcom18a4/xpcom/reflect/xptcall/src/md/unix/xptcstubs_asm_sparcv9_solaris.s new file mode 100644 index 00000000..e3bbcf8b --- /dev/null +++ b/src/libs/xpcom18a4/xpcom/reflect/xptcall/src/md/unix/xptcstubs_asm_sparcv9_solaris.s @@ -0,0 +1,67 @@ +/* -*- Mode: asm; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- + * + * 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 Netscape are + * Copyright (C) 2001 Netscape Communications Corporation. All + * Rights Reserved. + * + * Contributor(s): + * Stuart Parmenter <pavlov@netscape.com> + */ + + .global SharedStub + +/* + in the frame for the function that called SharedStub are the + rest of the parameters we need + +*/ + +SharedStub: +! we don't create a new frame yet, but work within the frame of the calling +! function to give ourselves the other parameters we want + + mov %o0, %o1 ! shuffle the index up to 2nd place + mov %i0, %o0 ! the original 'this' + add %fp, 0x7ff + 136, %o2 ! previous stack top adjusted to the first argument slot (beyond 'this') + +! save off the original incoming parameters that arrived in +! registers, the ABI guarantees the space for us to do this + stx %i1, [%fp + 0x7ff + 136] + stx %i2, [%fp + 0x7ff + 144] + stx %i3, [%fp + 0x7ff + 152] + stx %i4, [%fp + 0x7ff + 160] + stx %i5, [%fp + 0x7ff + 168] +! now we can build our own stack frame + save %sp,-(128 + 64),%sp ! room for the register window and + ! struct pointer, rounded up to 0 % 64 +! our function now appears to have been called +! as SharedStub(nsISupports* that, PRUint32 index, PRUint32* args) +! so we can just copy these through + + mov %i0, %o0 + mov %i1, %o1 + mov %i2, %o2 + call PrepareAndDispatch + nop + mov %o0,%i0 ! propagate return value + b .LL1 + nop +.LL1: + ret + restore + + .size SharedStub, .-SharedStub + .type SharedStub, #function |