gdb/testsuite/gdb.arch/amd64-break-on-asm-line.S

   1 /* Copyright 2019-2023 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    This file is part of the gdb testsuite.
  17
  18    Test that a breakpoint placed by line number in an assembler file
  19    will stop at the specified line.  Previously versions of GDB have
  20    incorrectly invoked the prologue analysis logic and skipped
  21    forward.  */
  22
  23         .text
  24         .global main
  25 main:
  26         nop
  27 test:
  28         /* The next two instructions are required to look like an
  29            x86-64 prologue so that GDB's prologue scanner will spot
  30            them and skip forward.  */
  31         push    %rbp            /* Break here.  */
  32         mov     %rsp, %rbp
  33         nop                     /* Incorrect.  */
  34         nop
  35         nop
  36         .section        .note.GNU-stack,"",@progbits