1 # Copyright 2006-2012 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 # Test ARM/Thumb prologue analyzer.
18 if {![istarget arm*-*]} then {
19 verbose "Skipping ARM prologue tests."
23 set testfile "thumb-prologue"
24 set srcfile ${testfile}.c
25 set binfile ${objdir}/${subdir}/${testfile}
27 # Don't use "debug", so that we don't have line information for the assembly
29 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {"additional_flags=-mthumb"}] != "" } {
30 untested "ARM prologue tests"
37 gdb_reinitialize_dir $srcdir/$subdir
41 # Run to `main' where we begin our tests.
44 if ![runto_main] then {
45 untested "ARM prologue tests"
49 # Testcase for TPCS prologue.
51 gdb_breakpoint "* *(int *)tpcs_offset + (int) &tpcs_frame_1"
52 gdb_test "continue" "Breakpoint .*, $hex in tpcs_frame_1 \\(\\)" \
55 gdb_test "backtrace 10" \
56 "#0\[ \t\]*$hex in tpcs_frame_1 .*\r\n#1\[ \t\]*$hex in tpcs_frame .*\r\n#2\[ \t\]*$hex in main.*" \
59 gdb_test "info frame" \
60 ".*Saved registers:.*r7 at.*r10 at.*r11 at.*lr at.*" \
61 "saved registers in TPCS"
64 # Testcase for "switching" the stack to the same stack in the prologue.
66 gdb_breakpoint "switch_stack_to_same"
68 gdb_test "continue" "Breakpoint .*, $hex in switch_stack_to_same \\(\\)" \
69 "continue to switch_stack_to_same"
71 gdb_test "stepi 2" "in write_sp \\(\\)" "stepi over mov sp, sp"
73 gdb_test "backtrace 10" \
74 "#0\[ \t\]*$hex in write_sp .*\r\n#1\[ \t\]*$hex in switch_stack_to_same .*\r\n#2\[ \t\]*$hex in main.*" \
75 "backtrace in write_sp"
77 # Testcase for switching to another stack in the prologue.
79 gdb_breakpoint "switch_stack_to_other"
81 gdb_test "continue" "Breakpoint .*, $hex in switch_stack_to_other \\(\\)" \
82 "continue to switch_stack_to_other"
84 gdb_test "stepi 2" "in write_sp \\(\\)" "stepi over mov sp, 128"
86 gdb_test "backtrace 10" \
87 "#0\[ \t\]*$hex in write_sp .*\r\n#1\[ \t\]*$hex in switch_stack_to_other .*\r\n#2\[ \t\]*$hex in main.*" \
88 "backtrace in write_sp"