| # Copyright 2006-2021 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/>. |
| |
| # Test ARM/Thumb prologue analyzer. |
| |
| if {![is_aarch32_target]} then { |
| verbose "Skipping ARM prologue tests." |
| return |
| } |
| |
| standard_testfile |
| |
| # Don't use "debug", so that we don't have line information for the assembly |
| # fragments. |
| if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {"additional_flags=-mthumb"}] != "" } { |
| untested "ARM prologue tests" |
| return -1 |
| } |
| |
| |
| gdb_exit |
| gdb_start |
| gdb_reinitialize_dir $srcdir/$subdir |
| gdb_load ${binfile} |
| |
| # |
| # Run to `main' where we begin our tests. |
| # |
| |
| if ![runto_main] then { |
| return -1 |
| } |
| |
| # Testcase for TPCS prologue. |
| |
| gdb_breakpoint "* *(int *)tpcs_offset + (int) &tpcs_frame_1" |
| gdb_test "continue" "Breakpoint .*, $hex in tpcs_frame_1 \\(\\)" \ |
| "continue to TPCS" |
| |
| gdb_test "backtrace 10" \ |
| "#0\[ \t\]*$hex in tpcs_frame_1 .*\r\n#1\[ \t\]*$hex in tpcs_frame .*\r\n#2\[ \t\]*$hex in main.*" \ |
| "backtrace in TPCS" |
| |
| gdb_test "info frame" \ |
| ".*Saved registers:.*r7 at.*r10 at.*r11 at.*lr at.*" \ |
| "saved registers in TPCS" |
| |
| |
| # Testcase for "switching" the stack to the same stack in the prologue. |
| |
| gdb_breakpoint "switch_stack_to_same" |
| |
| gdb_test "continue" "Breakpoint .*, $hex in switch_stack_to_same \\(\\)" \ |
| "continue to switch_stack_to_same" |
| |
| gdb_test "stepi 2" "in write_sp \\(\\)" "stepi over mov sp, sp" |
| |
| gdb_test "backtrace 10" \ |
| "#0\[ \t\]*$hex in write_sp .*\r\n#1\[ \t\]*$hex in switch_stack_to_same .*\r\n#2\[ \t\]*$hex in main.*" \ |
| "backtrace in write_sp" |
| |
| # Testcase for switching to another stack in the prologue. |
| |
| gdb_breakpoint "switch_stack_to_other" |
| |
| gdb_test "continue" "Breakpoint .*, $hex in switch_stack_to_other \\(\\)" \ |
| "continue to switch_stack_to_other" |
| |
| gdb_test "stepi 2" "in write_sp \\(\\)" "stepi over mov sp, 128" |
| |
| gdb_test "backtrace 10" \ |
| "#0\[ \t\]*$hex in write_sp .*\r\n#1\[ \t\]*$hex in switch_stack_to_other .*\r\n#2\[ \t\]*$hex in main.*" \ |
| "backtrace in write_sp, 2nd stop" |