1# Copyright 2011-2023 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/>.
15load_lib dwarf.exp
16
17# Test multiple location breakpoints vs. prologue analysis on -O2 -g code.
18# when the first statement of a function is an inlined function GDB could
19# crash.  Map of this testcase:
20#
21# File name                            Line number    Starting address
22# main.c                                         5    func_start
23# other.c                                        1    func0
24# 	`inlined' called at main.c line 8
25# main.c                                         9    func1
26# 	func1 = Breakpoint location 1
27# other.c                                        1    func2
28# 	`inlined2' called at main.c line 11
29# main.c                                         9    func3
30# 	func3 = Breakpoint location 2
31# 	`otherinline' called at main.c line 9
32# end of main                                         func_end
33
34# This test can only be run on targets which support DWARF-2 and use gas.
35if {![dwarf2_support]} {
36    return 0
37}
38
39standard_testfile
40set executable ${testfile}
41
42if [is_ilp32_target] {
43    set ptrbits 32
44} else {
45    set ptrbits 64
46}
47
48if { [build_executable ${testfile}.exp ${executable} \
49	  "${testfile}.c ${testfile}.S" \
50	  [list additional_flags=-DINLINED \
51		additional_flags=-DPTRBITS=$ptrbits]] == -1 } {
52    return -1
53}
54
55# We need those symbols global to access them from the .S file.
56set test "strip stub symbols"
57set objcopy_program [gdb_find_objcopy]
58set result [catch "exec $objcopy_program							\
59			-N func0 -N func1 -N func2 -N func3         -N func_start -N func_end	\
60			-N fund0 -N fund1 -N fund2 -N fund3 -N fund -N fund_start		\
61			${binfile}" output]
62verbose "result is $result"
63verbose "output is $output"
64if {$result != 0} {
65    fail $test
66    return
67}
68pass $test
69
70clean_restart $executable
71
72if ![runto_main] {
73    return -1
74}
75
76gdb_breakpoint "func"
77gdb_continue_to_breakpoint "func"
78
79# Sanity check GDB has really found 2 locations
80gdb_test {info break $bpnum} "\r\n2\\.1\[ \t\]\[^\n\]*\r\n2\\.2\[ \t\]\[^\n\]*" "2 locations found"
81
82gdb_test "p (int) v" " = 0" "no statement got executed"
83