1*0bd9e244Spfg @ 2*0bd9e244Spfg @ Licensed to the Apache Software Foundation (ASF) under one 3*0bd9e244Spfg @ or more contributor license agreements. See the NOTICE file 4*0bd9e244Spfg @ distributed with this work for additional information 5*0bd9e244Spfg @ regarding copyright ownership. The ASF licenses this file 6*0bd9e244Spfg @ to you under the Apache License, Version 2.0 (the 7*0bd9e244Spfg @ "License"); you may not use this file except in compliance 8*0bd9e244Spfg @ with the License. You may obtain a copy of the License at 9*0bd9e244Spfg @ 10*0bd9e244Spfg @ http://www.apache.org/licenses/LICENSE-2.0 11*0bd9e244Spfg @ 12*0bd9e244Spfg @ Unless required by applicable law or agreed to in writing, 13*0bd9e244Spfg @ software distributed under the License is distributed on an 14*0bd9e244Spfg @ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15*0bd9e244Spfg @ KIND, either express or implied. See the License for the 16*0bd9e244Spfg @ specific language governing permissions and limitations 17*0bd9e244Spfg @ under the License. 18*0bd9e244Spfg @ 19*0bd9e244Spfg 20*0bd9e244Spfg @ ARM support code for OpenOffice C++/UNO bridging 21*0bd9e244Spfg @ 22*0bd9e244Spfg @ Written by Peter Naulls <peter@chocky.org> 23*0bd9e244Spfg @ Modified by Caolan McNamara <caolanm@redhat.com> 24*0bd9e244Spfg @ Fixed by Michael Casadevall <mcasadevall@kubuntu.org> 25*0bd9e244Spfg 26*0bd9e244Spfg #ifdef __ARM_EABI__ 27*0bd9e244Spfg # define UNWIND 28*0bd9e244Spfg #else 29*0bd9e244Spfg # define UNWIND @ 30*0bd9e244Spfg #endif 31*0bd9e244Spfg 32*0bd9e244Spfg .file "armhelper.s" 33*0bd9e244Spfg .text 34*0bd9e244Spfg .align 4 35*0bd9e244Spfg .global privateSnippetExecutor 36*0bd9e244Spfg .type privateSnippetExecutor, %function 37*0bd9e244Spfg privateSnippetExecutor: 38*0bd9e244Spfg UNWIND .fnstart @ start of unwinder entry 39*0bd9e244Spfg 40*0bd9e244Spfg stmfd sp!, {r0-r3} @ follow other parameters on stack 41*0bd9e244Spfg UNWIND .pad #16 @ throw this data away on exception 42*0bd9e244Spfg mov r0, ip @ r0 points to functionoffset/vtable 43*0bd9e244Spfg mov r1, sp @ r1 points to this and params 44*0bd9e244Spfg @ (see cppuno.cxx:codeSnippet()) 45*0bd9e244Spfg stmfd sp!, {r4,lr} @ save return address 46*0bd9e244Spfg @ (r4 pushed to preserve stack alignment) 47*0bd9e244Spfg UNWIND .save {r4,lr} @ restore these regs on exception 48*0bd9e244Spfg 49*0bd9e244Spfg bl cpp_vtable_call(PLT) 50*0bd9e244Spfg 51*0bd9e244Spfg add sp, sp, #4 @ no need to restore r4 (we didn't touch it) 52*0bd9e244Spfg ldr pc, [sp], #20 @ return, discarding function arguments 53*0bd9e244Spfg 54*0bd9e244Spfg UNWIND .fnend @ end of unwinder entry 55*0bd9e244Spfg 56*0bd9e244Spfg .size privateSnippetExecutor, . - privateSnippetExecutor 57*0bd9e244Spfg .section .note.GNU-stack,"",%progbits 58