1 # Copyright 2014-2024 Free Software Foundation, Inc.
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.
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.
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/>.
16 # This file is part of the gdb testsuite.
18 # Test single-stepping system call instructions (ta 0x6d) in the two
19 # cases distinguished by the implementation: sigreturn and all others.
20 # The sigreturn syscall requires a special analysis since the return
21 # PC must be extracted from the sigreturn register save area in the
24 require {istarget "sparc*-*-linux*"}
26 set testfile sparc-sysstep
27 set srcfile ${testfile}.c
28 set binfile ${objdir}/${subdir}/${testfile}
31 if {[prepare_for_testing "failed to prepare" ${binfile} $srcfile {additional_flags=-g}]} {
39 # Watching the global variable will guarantee that gdb will
40 # single-step through the whole program.
42 set lno [gdb_get_line_number "sparc-sysstep.exp: last" $srcfile]
44 gdb_test "break $srcfile:$lno" "Breakpoint \[0-9\] at .*"
45 gdb_test_no_output "set can-use-hw-watchpoints 0" ""
46 gdb_test "watch global" "Watchpoint .*: global"
47 gdb_test "continue" "Continuing.*${srcfile}:${lno}.*"