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@
@ This file is part of the LibreOffice project.
@
@ This Source Code Form is subject to the terms of the Mozilla Public
@ License, v. 2.0. If a copy of the MPL was not distributed with this
@ file, You can obtain one at http://mozilla.org/MPL/2.0/.
@
@ This file incorporates work covered by the following license notice:
@
@ Licensed to the Apache Software Foundation (ASF) under one or more
@ contributor license agreements. See the NOTICE file distributed
@ with this work for additional information regarding copyright
@ ownership. The ASF licenses this file to you under the Apache
@ License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 .
@
@ ARM support code for OpenOffice C++/UNO bridging
@
@ Written by Peter Naulls <peter@chocky.org>
@ Modified by Caolan McNamara <caolanm@redhat.com>
@ Fixed by Michael Casadevall <mcasadevall@kubuntu.org>
#ifdef __ARM_EABI__
# define UNWIND
#else
# define UNWIND @
#endif
@ If the VFP ABI variant (armhf in Debian/Ubuntu) is used, an additional extra 64 bytes
@ are taken up on the stack (the equivalent of the 8 double precision VFP registers)
#ifdef __ARM_PCS_VFP
# define PAD 80
# define DISCARDED 84
#else
# define PAD 16
# define DISCARDED 20
#endif
.file "armhelper.s"
.text
.align 4
.global privateSnippetExecutor
.type privateSnippetExecutor, %function
privateSnippetExecutor:
UNWIND .fnstart @ start of unwinder entry
stmfd sp!, {r0-r3} @ follow other parameters on stack
mov r0, ip @ r0 points to functionoffset/vtable
mov r1, sp @ r1 points to this and params
#ifdef __ARM_PCS_VFP
.fpu vfpv2
vpush {d0-d7} @ floating point parameter on stack
#endif
UNWIND .pad #PAD @ throw this data away on exception
@ (see cppuno.cxx:codeSnippet())
stmfd sp!, {r4,lr} @ save return address
@ (r4 pushed to preserve stack alignment)
UNWIND .save {r4,lr} @ restore these regs on exception
bl cpp_vtable_call(PLT)
add sp, sp, #4 @ no need to restore r4 (we didn't touch it)
ldr pc, [sp], #DISCARDED @ return, discarding function arguments
UNWIND .fnend @ end of unwinder entry
.size privateSnippetExecutor, . - privateSnippetExecutor
.section .note.GNU-stack,"",%progbits
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