projects / thirdparty / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 213516ef | 1 | # Copyright 2022-2023 Free Software Foundation, Inc. |
| 1fe84861 YY |
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 | # This file is part of the gdb testsuite. | |
| 17 | ||
| 18 | # Test explicitly unwinding the PC DWARF register on aarch64 | |
| 19 | ||
| 75b6f386 | 20 | if {![is_aarch64_target]} { |
| 1fe84861 YY |
21 | verbose "Skipping ${gdb_test_file_name}." |
| 22 | return | |
| 23 | } | |
| 24 | ||
| 25 | standard_testfile .S | |
| 26 | ||
| 27 | if { [prepare_for_testing "failed to prepare" $testfile $srcfile] } { | |
| 28 | return -1 | |
| 29 | } | |
| 30 | ||
| 31 | if ![runto_main] { | |
| 32 | return -1 | |
| 33 | } | |
| 34 | ||
| 35 | proc test_reg_vals {} { | |
| 36 | gdb_test "p \$pc - &main" "= 8" "p \$pc" | |
| 37 | gdb_test "p/x \$x30" "= 0x1234" "p \$x30" | |
| 38 | } | |
| 39 | ||
| 40 | proc test_unwind_pc { inst } { | |
| 41 | gdb_test "si" "$inst" "single step" | |
| 42 | gdb_test "backtrace" \ | |
| 43 | ".*#1.*in main ().*" \ | |
| 44 | "backtrace" | |
| 45 | gdb_test "up" "in main ().*" "parent frame" | |
| 46 | test_reg_vals | |
| 47 | } | |
| 48 | ||
| 49 | # Ready to enter the function | |
| 50 | gdb_test "si" "bl test_func" "call site" | |
| 51 | # Step through the 3 instructions in the function to make sure that | |
| 52 | # we have the same unwind info throughout. | |
| 53 | with_test_prefix "1st stepi" { | |
| 54 | test_unwind_pc "mov x0, x30" | |
| 55 | } | |
| 56 | with_test_prefix "2nd stepi" { | |
| 57 | test_unwind_pc "mov x30, 0x1234" | |
| 58 | } | |
| 59 | with_test_prefix "3rd stepi" { | |
| 60 | test_unwind_pc "ret x0" | |
| 61 | } | |
| 62 | # Check again after we returned | |
| 63 | with_test_prefix "final" { | |
| 64 | # Check that we've stepped out (si prints out the new function name) | |
| 65 | gdb_test "si" ".*main *().*" "single step out" | |
| 66 | gdb_test "backtrace" \ | |
| 67 | "#0\[\t \]+main ().*" \ | |
| 68 | "backtrace" | |
| 69 | test_reg_vals | |
| 70 | } |