1# Copyright 2006-2020 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# Test ARM/Thumb prologue analyzer. 17 18if {![is_aarch32_target]} then { 19 verbose "Skipping ARM prologue tests." 20 return 21} 22 23standard_testfile 24 25# Don't use "debug", so that we don't have line information for the assembly 26# fragments. 27if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {"additional_flags=-mthumb"}] != "" } { 28 untested "ARM prologue tests" 29 return -1 30} 31 32 33gdb_exit 34gdb_start 35gdb_reinitialize_dir $srcdir/$subdir 36gdb_load ${binfile} 37 38# 39# Run to `main' where we begin our tests. 40# 41 42if ![runto_main] then { 43 untested "ARM prologue tests" 44 return -1 45} 46 47# Testcase for TPCS prologue. 48 49gdb_breakpoint "* *(int *)tpcs_offset + (int) &tpcs_frame_1" 50gdb_test "continue" "Breakpoint .*, $hex in tpcs_frame_1 \\(\\)" \ 51 "continue to TPCS" 52 53gdb_test "backtrace 10" \ 54 "#0\[ \t\]*$hex in tpcs_frame_1 .*\r\n#1\[ \t\]*$hex in tpcs_frame .*\r\n#2\[ \t\]*$hex in main.*" \ 55 "backtrace in TPCS" 56 57gdb_test "info frame" \ 58 ".*Saved registers:.*r7 at.*r10 at.*r11 at.*lr at.*" \ 59 "saved registers in TPCS" 60 61 62# Testcase for "switching" the stack to the same stack in the prologue. 63 64gdb_breakpoint "switch_stack_to_same" 65 66gdb_test "continue" "Breakpoint .*, $hex in switch_stack_to_same \\(\\)" \ 67 "continue to switch_stack_to_same" 68 69gdb_test "stepi 2" "in write_sp \\(\\)" "stepi over mov sp, sp" 70 71gdb_test "backtrace 10" \ 72 "#0\[ \t\]*$hex in write_sp .*\r\n#1\[ \t\]*$hex in switch_stack_to_same .*\r\n#2\[ \t\]*$hex in main.*" \ 73 "backtrace in write_sp" 74 75# Testcase for switching to another stack in the prologue. 76 77gdb_breakpoint "switch_stack_to_other" 78 79gdb_test "continue" "Breakpoint .*, $hex in switch_stack_to_other \\(\\)" \ 80 "continue to switch_stack_to_other" 81 82gdb_test "stepi 2" "in write_sp \\(\\)" "stepi over mov sp, 128" 83 84gdb_test "backtrace 10" \ 85 "#0\[ \t\]*$hex in write_sp .*\r\n#1\[ \t\]*$hex in switch_stack_to_other .*\r\n#2\[ \t\]*$hex in main.*" \ 86 "backtrace in write_sp, 2nd stop" 87