| /* ********************************************************** |
| * Copyright (c) 2016 ARM Limited. All rights reserved. |
| * **********************************************************/ |
| |
| /* |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * |
| * * Redistributions of source code must retain the above copyright notice, |
| * this list of conditions and the following disclaimer. |
| * |
| * * Redistributions in binary form must reproduce the above copyright notice, |
| * this list of conditions and the following disclaimer in the documentation |
| * and/or other materials provided with the distribution. |
| * |
| * * Neither the name of ARM Limited nor the names of its contributors may be |
| * used to endorse or promote products derived from this software without |
| * specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL ARM LIMITED OR CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH |
| * DAMAGE. |
| */ |
| |
| /*************************************************************************** |
| * assembly utilities for which there are no intrinsics |
| */ |
| |
| #include "cpp2asm_defines.h" |
| |
| START_FILE |
| |
| #define FUNCNAME replace_native_xfer |
| DECLARE_FUNC(FUNCNAME) |
| GLOBAL_LABEL(FUNCNAME:) |
| stp x0, x30, [sp, #-16]! |
| bl GLOBAL_REF(replace_native_xfer_app_retaddr) |
| /* Store return address to x30 position. */ |
| str x0, [sp, #8] |
| bl GLOBAL_REF(replace_native_xfer_target) |
| mov x1, x0 |
| ldp x0, x30, [sp], #16 |
| br x1 |
| /* never reached */ |
| END_FUNC(FUNCNAME) |
| #undef FUNCNAME |
| |
| DECLARE_GLOBAL(replace_native_ret_imms) |
| DECLARE_GLOBAL(replace_native_ret_imms_end) |
| #define FUNCNAME replace_native_rets |
| DECLARE_FUNC(FUNCNAME) |
| GLOBAL_LABEL(FUNCNAME:) |
| ret |
| ADDRTAKEN_LABEL(replace_native_ret_imms:) |
| ADDRTAKEN_LABEL(replace_native_ret_imms_end:) |
| nop |
| END_FUNC(FUNCNAME) |
| #undef FUNCNAME |
| |
| #define FUNCNAME get_cur_xsp |
| DECLARE_FUNC(FUNCNAME) |
| GLOBAL_LABEL(FUNCNAME:) |
| mov x0, sp |
| ret |
| END_FUNC(FUNCNAME) |
| |
| END_FILE |
