| # Copyright 2009, 2010, 2011 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, see <http://www.gnu.org/licenses/>. |
| load_lib dwarf.exp |
| |
| # Test DW_OP_call_frame_cfa. |
| |
| # This test can only be run on targets which support DWARF-2 and use gas. |
| if {![dwarf2_support]} { |
| return 0 |
| } |
| # This test can only be run on x86 targets. |
| if {![is_x86_like_target]} { |
| return 0 |
| } |
| |
| set testfile "callframecfa" |
| set srcfile ${testfile}.S |
| set binfile ${objdir}/${subdir}/${testfile}.x |
| |
| if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable \ |
| [list {additional_flags=-nostdlib}]] != "" } { |
| return -1 |
| } |
| |
| gdb_exit |
| gdb_start |
| gdb_reinitialize_dir $srcdir/$subdir |
| gdb_load ${binfile} |
| |
| if ![runto_main] { |
| return -1 |
| } |
| |
| gdb_test "break *func" "Breakpoint 2.*" "set breakpoint for call-frame-cfa" |
| gdb_continue_to_breakpoint "continue to breakpoint for call-frame-cfa" |
| gdb_test "display arg" "arg = 77" "set display for call-frame-cfa" |
| |
| # We know how many instructions are in the function. Note that we |
| # can't handle the "ret" instruction due to the epilogue unwinder. |
| for {set i 1} {$i < 5} {incr i} { |
| gdb_test "si" "arg = 77" "step $i for call-frame-cfa" |
| } |