/* Copyright 2018-2024 Free Software Foundation, Inc. This file is part of GDB. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ .section .note.GNU-stack,"",%progbits .data value_callee: .quad 0x2021222324252627 value_caller: .quad 0x1011121314151617 .text .arm .global callee callee: /* Standard prologue. */ .cfi_startproc push {fp, lr} .cfi_def_cfa fp, 4 .cfi_offset fp, -8 .cfi_offset lr, -4 add fp, sp, #4 /* Save caller's d8 value on the stack. */ .cfi_offset d8, -16 vpush {d8} /* Put our own d8 value. */ ldr r0, =value_callee vldr d8, [r0] break_here_asm: /* Restore caller's d8 value. */ vpop {d8} /* Standard epilogue. */ pop {fp, pc} .cfi_endproc .global caller caller: /* Standard prologue. */ .cfi_startproc push {fp, lr} .cfi_def_cfa fp, 4 .cfi_offset fp, -8 .cfi_offset lr, -4 add fp, sp, #4 /* Put our own d8 value. */ ldr r0, =value_caller vldr d8, [r0] /* Call callee. */ bl callee /* Store our d8 value in r0-r1 to return it. */ vpush {d8} pop {r0} pop {r1} /* Standard epilogue. */ pop {fp, pc} .cfi_endproc