| 1 | # Copyright 2008-2016 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 | # |
| 17 | # Test support for stepping over longjmp. |
| 18 | # |
| 19 | |
| 20 | |
| 21 | standard_testfile .c |
| 22 | |
| 23 | if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug nowarnings}] != "" } { |
| 24 | untested longjmp.exp |
| 25 | return -1 |
| 26 | } |
| 27 | |
| 28 | if [get_compiler_info] { |
| 29 | return -1 |
| 30 | } |
| 31 | |
| 32 | clean_restart ${binfile} |
| 33 | |
| 34 | if ![runto_main] then { |
| 35 | fail "Can't run to main" |
| 36 | return 0 |
| 37 | } |
| 38 | |
| 39 | set bp_miss_step_1 [gdb_get_line_number "miss_step_1"] |
| 40 | set bp_miss_step_2 [gdb_get_line_number "miss_step_2"] |
| 41 | |
| 42 | set bp_start_test_1 [gdb_get_line_number "patt1"] |
| 43 | set bp_start_test_2 [gdb_get_line_number "patt2"] |
| 44 | set bp_start_test_3 [gdb_get_line_number "patt3"] |
| 45 | |
| 46 | # |
| 47 | # Pattern 1 - simple longjmp. |
| 48 | # |
| 49 | |
| 50 | delete_breakpoints |
| 51 | |
| 52 | gdb_test "break $bp_start_test_1" \ |
| 53 | "Breakpoint.*at.* file .*$srcfile, line.*$bp_start_test_1.*" \ |
| 54 | "breakpoint at pattern 1 start" |
| 55 | gdb_test "continue" "patt1.*" "continue to breakpoint at pattern 1 start" |
| 56 | |
| 57 | # set safe-net break |
| 58 | gdb_test "break $bp_miss_step_1" \ |
| 59 | "Breakpoint.*at.* file .*$srcfile, line.*$bp_miss_step_1.*" \ |
| 60 | "breakpoint at miss_step_1" |
| 61 | |
| 62 | gdb_test "next" "longjmps\\+\\+;.*" "next over setjmp (1)" |
| 63 | gdb_test "next" "longjmp \\(env, 1\\);.*" "next to longjmp (1)" |
| 64 | |
| 65 | set msg "next over longjmp(1)" |
| 66 | gdb_test_multiple "next" $msg { |
| 67 | -re ".*patt1.*$gdb_prompt $" { |
| 68 | pass $msg |
| 69 | gdb_test "next" "resumes\\+\\+.*" "next into else block (1)" |
| 70 | gdb_test "next" "miss_step_1.*" "next into safety net (1)" |
| 71 | } |
| 72 | -re "miss_step_1.*$gdb_prompt $" { |
| 73 | fail $msg |
| 74 | } |
| 75 | } |
| 76 | |
| 77 | # |
| 78 | # Pattern 2 - longjmp from an inner function. |
| 79 | # |
| 80 | |
| 81 | delete_breakpoints |
| 82 | |
| 83 | gdb_test "break $bp_start_test_2" \ |
| 84 | "Breakpoint.*at.* file .*$srcfile, line.*$bp_start_test_2.*" \ |
| 85 | "breakpoint at pattern 2 start" |
| 86 | gdb_test "continue" "patt2.*" "continue to breakpoint at pattern 2 start" |
| 87 | |
| 88 | # set safe-net break |
| 89 | gdb_test "break $bp_miss_step_2" \ |
| 90 | "Breakpoint.*at.* file .*$srcfile, line.*$bp_miss_step_2.*" \ |
| 91 | "breakpoint at miss_step_2" |
| 92 | |
| 93 | gdb_test "next" "call_longjmp.*" "next over setjmp (2)" |
| 94 | |
| 95 | set msg "next over call_longjmp (2)" |
| 96 | gdb_test_multiple "next" $msg { |
| 97 | -re ".*patt2.*$gdb_prompt $" { |
| 98 | pass $msg |
| 99 | |
| 100 | gdb_test "next" "resumes\\+\\+.*" "next into else block (2)" |
| 101 | gdb_test "next" "miss_step_2.*" "next into safety net (2)" |
| 102 | } |
| 103 | -re "miss_step_2.*$gdb_prompt $" { |
| 104 | fail $msg |
| 105 | } |
| 106 | } |
| 107 | |
| 108 | # |
| 109 | # Pattern 3 - setjmp/longjmp inside stepped-over function. |
| 110 | # |
| 111 | |
| 112 | delete_breakpoints |
| 113 | |
| 114 | gdb_test "break $bp_start_test_3" \ |
| 115 | "Breakpoint.*at.* file .*$srcfile, line.*$bp_start_test_3.*" \ |
| 116 | "breakpoint at pattern 3 start" |
| 117 | gdb_test "continue" "patt3.*" "continue to breakpoint at pattern 3 start" |
| 118 | |
| 119 | gdb_test "next" "longjmp caught.*" "next over patt3" |