aboutsummaryrefslogtreecommitdiff
path: root/gdb/testsuite/gdb.dwarf2/dwz.exp
blob: 9175f9eb3bd92fc97f688d9f8b48063cb949ea6b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
# Copyright 2013-2014 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/>.

load_lib dwarf.exp

# This test can only be run on targets which support DWARF-2 and use gas.
if {![dwarf2_support]} {
    return 0
}

standard_testfile main.c dwz.S

if  {[gdb_compile ${srcdir}/${subdir}/${srcfile} ${binfile}1.o \
	  object {nodebug}] != ""} {
    return -1
}

# Start GDB and load object file, compute the function length which is
# needed in the Dwarf Assembler below.
clean_restart ${testfile}1.o

set main_length ""
set test "disassemble main"
gdb_test_multiple $test $test {
    -re ".*$hex <\\+($decimal)>:\[^\r\n\]+\r\nEnd of assembler dump\.\r\n$gdb_prompt $" {
	set main_length $expect_out(1,string)
	pass $test
    }
}

if { $main_length == "" } {
    # Bail out here, because we can't do the following tests if
    # $main_length is unknown.
    return -1
}

# Compute the size of the last instruction.

set test "x/2i main+$main_length"
gdb_test_multiple $test $test {
    -re ".*($hex) <main\\+$main_length>:\[^\r\n\]+\r\n\[ \]+($hex).*\.\r\n$gdb_prompt $" {
	set start $expect_out(1,string)
	set end $expect_out(2,string)

	set main_length [expr $main_length + $end - $start]
	pass $test
    }
}

if { $main_length == "" } {
    # Bail out here, because we can't do the following tests if
    # $main_length is unknown.
    return -1
}

gdb_exit

# Create the DWARF.
set asm_file [standard_output_file $srcfile2]
Dwarf::assemble $asm_file {
    declare_labels partial_label int_label int_label2
    global main_length

    extern main

    cu {} {
	partial_label: partial_unit {} {
	    subprogram {
		{name main}
		{low_pc main addr}
		{high_pc "main + $main_length" addr}
	    }
	}
    }

    cu {} {
	compile_unit {{language @DW_LANG_C}} {
	    int_label2: base_type {
		{name int}
		{byte_size 4 sdata}
		{encoding @DW_ATE_signed}
	    }

	    constant {
		{name the_int}
		{type :$int_label2}
		{const_value 99 data1}
	    }

	    constant {
		{name other_int}
		{type :$int_label2}
		{const_value 99 data1}
	    }
	}
    }

    cu {} {
	compile_unit {{language @DW_LANG_C}} {
	    imported_unit {
		{import $partial_label ref_addr}
	    }

	    int_label: base_type {
		{name int}
		{byte_size 4 sdata}
		{encoding @DW_ATE_signed}
	    }

	    constant {
		{name the_int}
		{type :$int_label}
		{const_value 23 data1}
	    }
	}
    }
}

if  {[gdb_compile $asm_file ${binfile}2.o object {nodebug}] != ""} {
    return -1
}

if  {[gdb_compile [list ${binfile}1.o ${binfile}2.o] \
	  "${binfile}" executable {}] != ""} {
    return -1
}

clean_restart ${testfile}

if ![runto_main] {
    return -1
}

gdb_test "p other_int" " = 99"
gdb_test "p the_int" " = 23"