| # Copyright 2008 Free Software Foundation, Inc. |
| # |
| # 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, write to the Free Software |
| # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| # |
| # This file is part of the gdb testsuite. |
| |
| if $tracelevel { |
| strace $tracelevel |
| } |
| |
| # Test single stepping through atomic sequences beginning with |
| # a lwarx/ldarx instruction and ending with a stwcx/stdcx |
| # instruction. |
| |
| set prms_id 0 |
| set bug_id 0 |
| |
| if ![istarget "powerpc64-*"] then { |
| verbose "Skipping testing of powerpc64 single stepping over atomic sequences." |
| return |
| } |
| |
| set testfile "ppc64-atomic-inst" |
| set srcfile ${testfile}.c |
| set binfile ${objdir}/${subdir}/${testfile} |
| set compile_flags "debug quiet" |
| |
| if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [concat $compile_flags additional_flags=-m64]] != "" } { |
| unsupported "Testcase compile failed." |
| return -1 |
| } |
| |
| gdb_exit |
| gdb_start |
| gdb_reinitialize_dir $srcdir/$subdir |
| gdb_load ${binfile} |
| |
| if ![runto_main] then { |
| perror "Couldn't run to breakpoint" |
| continue |
| } |
| |
| set bp1 [gdb_get_line_number "lwarx"] |
| gdb_breakpoint "$bp1" "Breakpoint $decimal at $hex" \ |
| "Set the breakpoint at the start of the sequence" |
| |
| gdb_test continue "Continuing.*Breakpoint $decimal.*" \ |
| "Continue until breakpoint" |
| |
| gdb_test next ".*__asm __volatile.*" \ |
| "Step through the lwarx/stwcx sequence" |
| |
| gdb_test next ".*return 0.*" \ |
| "Step through the ldarx/stdcx sequence" |