1# Copyright 1997, 1999, 2004, 2005, 2007, 2008, 2009, 2010, 2011
2# Free Software Foundation, Inc.
3
4# This program is free software; you can redistribute it and/or modify
5# it under the terms of the GNU General Public License as published by
6# the Free Software Foundation; either version 3 of the License, or
7# (at your option) any later version.
8#
9# This program is distributed in the hope that it will be useful,
10# but WITHOUT ANY WARRANTY; without even the implied warranty of
11# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12# GNU General Public License for more details.
13#
14# You should have received a copy of the GNU General Public License
15# along with this program.  If not, see <http://www.gnu.org/licenses/>.
16
17# Test that things still (sort of) work when compiled without -g.
18
19if $tracelevel then {
20	strace $tracelevel
21}
22
23
24set testfile nodebug
25set srcfile $srcdir/$subdir/$testfile.c
26set binfile $objdir/$subdir/$testfile
27
28if [get_compiler_info ${binfile}] {
29    return -1;
30}
31
32if [test_compiler_info "xlc-*"] {
33    # By default, IBM'x xlc compiler doesn't add static variables into the symtab.
34    # Use "-qstatsym" to do so.
35    set exec_opts additional_flags=-qstatsym
36} else {
37    set exec_opts ""
38}
39
40if  { [gdb_compile $srcfile $binfile executable $exec_opts] != "" } {
41    untested "Couldn't compile $srcfile."
42    return -1
43}
44
45# Start with a fresh gdb.
46
47gdb_exit
48gdb_start
49gdb_reinitialize_dir $srcdir/$subdir
50gdb_load $binfile
51
52if [runto inner] then {
53
54    # Expect to find global/local symbols in each of text/data/bss.
55
56    # The exact format for some of this output is not necessarily
57    # ideal, particularly interpreting "p top" requires a fair bit of
58    # savvy about gdb's workings and the meaning of the "{}"
59    # construct.  So the details maybe could be tweaked.  But the
60    # basic purpose should be maintained, which is (a) users should be
61    # able to interact with these variables with some care (they have
62    # to know how to interpret them according to their real type,
63    # since gdb doesn't know the type), but (b) users should be able
64    # to detect that gdb does not know the type, rather than just
65    # being told they are ints or functions returning int like old
66    # versions of gdb used to do.
67
68    # On alpha (and other ecoff systems) the native compilers put
69    # out debugging info for non-aggregate return values of functions
70    # even without -g, which should be accepted.
71    # Irix5, even though it is ELF, counts as "ecoff" because it
72    # encapsulates ecoff debugging info in a .mdebug section.
73    # Irix6 gcc emits no debug info at all for static functions and
74    # variables, so all tests involving statics fail.
75
76    if {![test_compiler_info "gcc-*"]} then { setup_xfail "mips-sgi-irix5*" "mips-sgi-irix6*" }
77    gdb_test "p top" \
78	"\{(<(text variable|function), no debug info>|short \\(int\\)|short \\(\\))\} \[0-9a-fx]* <\\.?top(\\(int\\)|)>"
79    if {![test_compiler_info "gcc-*"]} then { setup_xfail "mips-sgi-irix5*" "mips-sgi-irix6*" }
80    gdb_test "whatis top" \
81	"(<(text variable|function), no debug info>|short \\(int\\)|short \\(\\))"
82    if {![test_compiler_info "gcc-*"]} then { setup_xfail "mips-sgi-irix6*" }
83    gdb_test "ptype top" "(short|int) \\((|void|int|<non-float parameter>|<non-float parameter>, <non-float parameter>)\\)"
84
85    if {![test_compiler_info "gcc-*"]} then { setup_xfail "mips-sgi-irix5*" }
86    setup_xfail "mips-sgi-irix6*"
87    gdb_test "p middle" \
88	"\{(<(text variable|function), no debug info>|short \\(int\\)|short \\(\\))\} \[0-9a-fx]* <\\.?middle(\\(int\\)|)>"
89    if {![test_compiler_info "gcc-*"]} then { setup_xfail "mips-sgi-irix5*" }
90    setup_xfail "mips-sgi-irix6*"
91    gdb_test "whatis middle" \
92	"(<(text variable|function), no debug info>|short \\(int\\)|short \\(\\))"
93    setup_xfail "mips-sgi-irix6*"
94    gdb_test "ptype middle" "(short|int) \\((|void|int|<non-float parameter>|<non-float parameter>, <non-float parameter>)\\)"
95
96    gdb_test "p dataglobal" "= 3"
97    gdb_test "whatis dataglobal" \
98	"<(data variable|variable), no debug info>|int"
99    gdb_test "ptype dataglobal" "<(data variable|variable), no debug info>|int"
100
101    # The only symbol xcoff puts out for statics is for the TOC entry.
102    # Possible, but hairy, for gdb to deal.  Right now it doesn't, it
103    # doesn't know the variables exist at all.
104    setup_xfail "rs6000*-*-aix*"
105    setup_xfail "powerpc*-*-aix*"
106    if [test_compiler_info "gcc-*"] {
107        setup_xfail "mips-sgi-irix6*"
108    } else {
109        setup_xfail "hppa*-*-hpux*"
110    }
111
112    gdb_test "p datalocal" "= 4"
113
114    setup_xfail "rs6000*-*-aix*"
115    setup_xfail "powerpc*-*-aix*"
116    if [test_compiler_info "gcc-*"] {
117        setup_xfail "mips-sgi-irix6*"
118    } else {
119        setup_xfail "hppa*-*-hpux*"
120    }
121
122    gdb_test "whatis datalocal" "<(data variable|variable), no debug info>"
123
124    setup_xfail "rs6000*-*-aix*"
125    setup_xfail "powerpc*-*-aix*"
126    if [test_compiler_info "gcc-*"] {
127        setup_xfail "mips-sgi-irix6*"
128    } else {
129        setup_xfail "hppa*-*-hpux*"
130    }
131
132    gdb_test "ptype datalocal" "<(data variable|variable), no debug info>"
133    gdb_test "p bssglobal" "= 0"
134    gdb_test "whatis bssglobal" "<(data variable|variable), no debug info>|int"
135    gdb_test "ptype bssglobal" "<(data variable|variable), no debug info>|int"
136
137    setup_xfail "rs6000*-*-aix*"
138    setup_xfail "powerpc*-*-aix*"
139    if [test_compiler_info "gcc-*"] {
140        setup_xfail "mips-sgi-irix6*"
141    } else {
142        setup_xfail "hppa*-*-hpux*"
143    }
144
145    gdb_test "p bsslocal" "= 0"
146
147    setup_xfail "rs6000*-*-aix*"
148    setup_xfail "powerpc*-*-aix*"
149    if [test_compiler_info "gcc-*"] {
150        setup_xfail "mips-sgi-irix6*"
151    } else {
152        setup_xfail "hppa*-*-hpux*"
153    }
154
155    gdb_test "whatis bsslocal" "<(data variable|variable), no debug info>"
156
157    setup_xfail "rs6000*-*-aix*"
158    setup_xfail "powerpc*-*-aix*"
159    if [test_compiler_info "gcc-*"] {
160        setup_xfail "mips-sgi-irix6*"
161    } else {
162        setup_xfail "hppa*-*-hpux*"
163    }
164    gdb_test "ptype bsslocal" "<(data variable|variable), no debug info>"
165
166    if [test_compiler_info "gcc-*"] {
167        setup_xfail "mips-sgi-irix6*"
168    }
169
170    gdb_test "backtrace 10" "#0.*inner.*#1.*middle.*#2.*top.*#3.*main.*" \
171	"backtrace from inner in nodebug.exp"
172    # Or if that doesn't work, at least hope for the external symbols
173    # Commented out because if we aren't going to xfail the above test
174    # ever, why bother with a weaker test?
175    #gdb_test "backtrace 10" "#0.*inner.*#1.*#2.*top.*#3.*main.*" \
176	#    "backtrace from inner in nodebug.exp for externals"
177
178    # This test is not as obscure as it might look.  `p getenv ("TERM")'
179    # is a real-world example, at least on many systems.
180    if { ! [test_compiler_info "gcc-*"]} {
181        setup_xfail "mips-sgi-irix6*"
182    }
183    if [target_info exists gdb,cannot_call_functions] {
184	setup_xfail "*-*-*" 2416
185	fail "p/c array_index(\"abcdef\",2)"
186    } else {
187	#
188	# On HP-UX, a support function (__d_plt_call) necessary to
189	# implement an inferior call is normally only available when
190	# the inferior was compiled with -g.  Thus, we expect this
191	# testpoint to fail on HP-UX.
192	if { [istarget "hppa*-hpux*"] } {
193	    gdb_test_multiple "p/c array_index(\"abcdef\",2)" \
194		"p/c array_index(\"abcdef\",2)" {
195		    -re ".*Suggest linking executable with -g.*$gdb_prompt $" {
196			pass "p/c array_index(\"abcdef\",2)"
197		    }
198		    -re ".*Cannot find __wdb_call_dummy in.*end.o.*" {
199			pass "p/c array_index(\"abcdef\",2)"
200		    }
201		-re ".*99 'c'.*" {
202		    pass "p/c array_index(\"abcdef\",2)"
203		}
204	    }
205	} else {
206	    # We need to up this because this can be really slow on some boards.
207	    # (malloc() is called as part of the test).
208	    set prev_timeout $timeout
209	    set timeout 60
210	    gdb_test {p/c array_index("abcdef",2)} " = 99 'c'"
211	    set timeout $prev_timeout
212	}
213    }
214
215    # Now, try that we can give names of file-local symbols which happen
216    # to be unique, and have it still work
217    if [test_compiler_info "gcc-*"] {
218        setup_xfail "mips-sgi-irix6*"
219    }
220    if [runto middle] then {
221	gdb_test "backtrace 10" "#0.*middle.*#1.*top.*#2.*main.*" \
222	    "backtrace from middle in nodebug.exp"
223    }
224}
225