gdb/testsuite/gdb.arch/riscv-unwind-long-insn-6.s

   1 /* Copyright 2019 Free Software Foundation, Inc.
   2
   3    This program is free software; you can redistribute it and/or modify
   4    it under the terms of the GNU General Public License as published by
   5    the Free Software Foundation; either version 3 of the License, or
   6    (at your option) any later version.
   7
   8    This program is distributed in the hope that it will be useful,
   9    but WITHOUT ANY WARRANTY; without even the implied warranty of
  10    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11    GNU General Public License for more details.
  12
  13    You should have received a copy of the GNU General Public License
  14    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  15
  16         .option nopic
  17         .text
  18
  19         .align  1
  20         .globl  bar
  21         .type   bar, @function
  22 bar:
  23         tail       1f
  24         .size   bar, .-func
  25
  26         .align  1
  27         .globl  func
  28         .type   func, @function
  29 func:
  30         /* A fake 6 byte instruction.  This is never executed, but the
  31            prologue scanner will try to decode it.  These long
  32            instructions are ISA extensions, I use .byte rather than an
  33            actual instruction mnemonic so that the test can be compiled
  34            with a toolchain that doesn't include any long instruction
  35            extensions.  */
  36         .byte 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00
  37 1:
  38         addi    sp,sp,-16
  39         sw      s0,12(sp)
  40         addi    s0,sp,16
  41         nop
  42         lw      s0,12(sp)
  43         addi    sp,sp,16
  44         jr      ra
  45         .size   func, .-func