зеркало из https://github.com/mozilla/gecko-dev.git
New version for linux/sparc. Changed source file names for Sun Workshop and
GCC builds.
This commit is contained in:
rogerl%netscape.com
Родитель
486dff05ff
Коммит
5c073ab917
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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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/* Platform specific code to invoke XPCOM methods on native objects */
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.global XPTC_InvokeByIndex
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/*
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XPTC_InvokeByIndex(nsISupports* that, PRUint32 methodIndex,
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PRUint32 paramCount, nsXPTCVariant* params);
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*/
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XPTC_InvokeByIndex:
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save %sp,-(64 + 16),%sp ! room for the register window and
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! struct pointer, rounded up to 0 % 16
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mov %i2,%o0 ! paramCount
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call invoke_count_words ! returns the required stack size in %o0
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mov %i3,%o1 ! params
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sll %o0,2,%l0 ! number of bytes
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sub %sp,%l0,%sp ! create the additional stack space
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mov %sp,%o0 ! pointer for copied args
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add %o0,72,%o0 ! step past the register window, the
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! struct result pointer and the 'this' slot
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mov %i2,%o1 ! paramCount
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call invoke_copy_to_stack
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mov %i3,%o2 ! params
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!
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! calculate the target address from the vtable
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!
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add %i1,1,%i1 ! vTable is zero-based, index is 1 based (?)
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ld [%i0],%l1 ! *that --> vTable
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sll %i1,2,%i1 | 32 bit pointer
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add %i1,%l1,%l1 ! vTable[index * 4], l1 now points to vTable entry
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ld [%l1 + 4],%l0 ! target address
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.L5: ld [%sp + 88],%o5
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.L4: ld [%sp + 84],%o4
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.L3: ld [%sp + 80],%o3
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.L2: ld [%sp + 76],%o2
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.L1: ld [%sp + 72],%o1
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.L0:
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jmpl %l0,%o7 ! call the routine
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! always have a 'this', from the incoming 'that'
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mov %i0,%o0
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mov %o0,%i0 ! propogate return value
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ret
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restore
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@ -0,0 +1,67 @@
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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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/* Platform specific code to invoke XPCOM methods on native objects */
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.global XPTC_InvokeByIndex
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/*
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XPTC_InvokeByIndex(nsISupports* that, PRUint32 methodIndex,
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PRUint32 paramCount, nsXPTCVariant* params);
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*/
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XPTC_InvokeByIndex:
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save %sp,-(64 + 16),%sp ! room for the register window and
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! struct pointer, rounded up to 0 % 16
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mov %i2,%o0 ! paramCount
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call invoke_count_words ! returns the required stack size in %o0
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mov %i3,%o1 ! params
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sll %o0,2,%l0 ! number of bytes
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sub %sp,%l0,%sp ! create the additional stack space
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mov %sp,%o0 ! pointer for copied args
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add %o0,72,%o0 ! step past the register window, the
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! struct result pointer and the 'this' slot
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mov %i2,%o1 ! paramCount
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call invoke_copy_to_stack
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mov %i3,%o2 ! params
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!
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! calculate the target address from the vtable
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!
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add %i1,1,%i1 ! vTable is zero-based, index is 1 based (?)
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ld [%i0],%l1 ! *that --> vTable
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sll %i1,3,%i1
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add %i1,%l1,%l1 ! vTable[index * 8], l1 now points to vTable entry
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lduh [%l1],%l0 ! this adjustor
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sll %l0,16,%l0 ! sign extend to 32 bits
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sra %l0,16,%l0
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add %l0,%i0,%i0 ! adjust this
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ld [%l1 + 4],%l0 ! target address
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.L5: ld [%sp + 88],%o5
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.L4: ld [%sp + 84],%o4
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.L3: ld [%sp + 80],%o3
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.L2: ld [%sp + 76],%o2
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.L1: ld [%sp + 72],%o1
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.L0:
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jmpl %l0,%o7 ! call the routine
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! always have a 'this', from the incoming 'that'
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mov %i0,%o0
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mov %o0,%i0 ! propogate return value
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ret
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restore
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@ -0,0 +1,66 @@
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* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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/* Platform specific code to invoke XPCOM methods on native objects */
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.global XPTC_InvokeByIndex
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.type XPTC_InvokeByIndex, #function
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/*
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XPTC_InvokeByIndex(nsISupports* that, PRUint32 methodIndex,
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PRUint32 paramCount, nsXPTCVariant* params);
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*/
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XPTC_InvokeByIndex:
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save %sp,-(64 + 16),%sp ! room for the register window and
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! struct pointer, rounded up to 0 % 16
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sll %i2,3,%l0 ! assume the worst case
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! paramCount * 2 * 4 bytes
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cmp %l0, 0 ! are there any args? If not,
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be invoke ! no need to copy args to stack
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sub %sp,%l0,%sp ! create the additional stack space
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add %sp,72,%o0 ! step past the register window, the
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! struct result pointer and the 'this' slot
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mov %i2,%o1 ! paramCount
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call invoke_copy_to_stack
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mov %i3,%o2 ! params
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!
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! load arguments from stack into the outgoing registers
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!
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ld [%sp + 72],%o1
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ld [%sp + 76],%o2
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ld [%sp + 80],%o3
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ld [%sp + 84],%o4
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ld [%sp + 88],%o5
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!
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! calculate the target address from the vtable
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!
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invoke:
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sll %i1,2,%l0 ! index *= 4
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add %l0,8,%l0 ! there are 2 extra entries in the vTable
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ld [%i0],%l1 ! *that --> address of vtable
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ld [%l0 + %l1],%l0 ! that->vtable[index * 4 + 8] --> address
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jmpl %l0,%o7 ! call the routine
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mov %i0,%o0 ! move 'this' pointer to out register
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mov %o0,%i0 ! propogate return value
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ret
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restore
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