| /* |
| * This file is part of the MicroPython project, http://micropython.org/ |
| * |
| * The MIT License (MIT) |
| * |
| * Copyright (c) 2013-2014 Damien P. George |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to deal |
| * in the Software without restriction, including without limitation the rights |
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| * copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| * THE SOFTWARE. |
| */ |
| |
| .syntax unified |
| .thumb |
| |
| .section .text |
| .align 2 |
| |
| .global gc_helper_get_regs_and_sp |
| .type gc_helper_get_regs_and_sp, %function |
| |
| @ This function requires Thumb-2 instruction support, e.g. Cortex M3/M4. |
| |
| @ uint gc_helper_get_regs_and_sp(r0=uint regs[10]) |
| gc_helper_get_regs_and_sp: |
| @ store registers into given array |
| str r4, [r0], #4 |
| str r5, [r0], #4 |
| str r6, [r0], #4 |
| str r7, [r0], #4 |
| str r8, [r0], #4 |
| str r9, [r0], #4 |
| str r10, [r0], #4 |
| str r11, [r0], #4 |
| str r12, [r0], #4 |
| str r13, [r0], #4 |
| |
| @ return the sp |
| mov r0, sp |
| bx lr |
| |
| .size gc_helper_get_regs_and_sp, .-gc_helper_get_regs_and_sp |