1*b5da552cSAndrew Rist@ 2*b5da552cSAndrew Rist@ Licensed to the Apache Software Foundation (ASF) under one 3*b5da552cSAndrew Rist@ or more contributor license agreements. See the NOTICE file 4*b5da552cSAndrew Rist@ distributed with this work for additional information 5*b5da552cSAndrew Rist@ regarding copyright ownership. The ASF licenses this file 6*b5da552cSAndrew Rist@ to you under the Apache License, Version 2.0 (the 7*b5da552cSAndrew Rist@ "License"); you may not use this file except in compliance 8*b5da552cSAndrew Rist@ with the License. You may obtain a copy of the License at 9*b5da552cSAndrew Rist@ 10*b5da552cSAndrew Rist@ http://www.apache.org/licenses/LICENSE-2.0 11*b5da552cSAndrew Rist@ 12*b5da552cSAndrew Rist@ Unless required by applicable law or agreed to in writing, 13*b5da552cSAndrew Rist@ software distributed under the License is distributed on an 14*b5da552cSAndrew Rist@ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15*b5da552cSAndrew Rist@ KIND, either express or implied. See the License for the 16*b5da552cSAndrew Rist@ specific language governing permissions and limitations 17*b5da552cSAndrew Rist@ under the License. 18*b5da552cSAndrew Rist@ 19*b5da552cSAndrew Rist 20cdf0e10cSrcweir@ ARM support code for OpenOffice C++/UNO bridging 21cdf0e10cSrcweir@ 22cdf0e10cSrcweir@ Written by Peter Naulls <peter@chocky.org> 23cdf0e10cSrcweir@ Modified by Caolan McNamara <caolanm@redhat.com> 24cdf0e10cSrcweir@ Fixed by Michael Casadevall <mcasadevall@kubuntu.org> 25cdf0e10cSrcweir 26cdf0e10cSrcweir#ifdef __ARM_EABI__ 27cdf0e10cSrcweir# define UNWIND 28cdf0e10cSrcweir#else 29cdf0e10cSrcweir# define UNWIND @ 30cdf0e10cSrcweir#endif 31cdf0e10cSrcweir 32cdf0e10cSrcweir .file "armhelper.s" 33cdf0e10cSrcweir .text 34cdf0e10cSrcweir .align 4 35cdf0e10cSrcweir .global privateSnippetExecutor 36cdf0e10cSrcweir .type privateSnippetExecutor, %function 37cdf0e10cSrcweirprivateSnippetExecutor: 38cdf0e10cSrcweir UNWIND .fnstart @ start of unwinder entry 39cdf0e10cSrcweir 40cdf0e10cSrcweir stmfd sp!, {r0-r3} @ follow other parameters on stack 41cdf0e10cSrcweir UNWIND .pad #16 @ throw this data away on exception 42cdf0e10cSrcweir mov r0, ip @ r0 points to functionoffset/vtable 43cdf0e10cSrcweir mov r1, sp @ r1 points to this and params 44cdf0e10cSrcweir @ (see cppuno.cxx:codeSnippet()) 45cdf0e10cSrcweir stmfd sp!, {r4,lr} @ save return address 46cdf0e10cSrcweir @ (r4 pushed to preserve stack alignment) 47cdf0e10cSrcweir UNWIND .save {r4,lr} @ restore these regs on exception 48cdf0e10cSrcweir 49cdf0e10cSrcweir bl cpp_vtable_call(PLT) 50cdf0e10cSrcweir 51cdf0e10cSrcweir add sp, sp, #4 @ no need to restore r4 (we didn't touch it) 52cdf0e10cSrcweir ldr pc, [sp], #20 @ return, discarding function arguments 53cdf0e10cSrcweir 54cdf0e10cSrcweir UNWIND .fnend @ end of unwinder entry 55cdf0e10cSrcweir 56cdf0e10cSrcweir .size privateSnippetExecutor, . - privateSnippetExecutor 57cdf0e10cSrcweir .section .note.GNU-stack,"",%progbits 58