gdb/testsuite/gdb.base/nodebug.exp

   1 # Copyright 1997-2014 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 # Test that things still (sort of) work when compiled without -g.
  17
  18
  19 standard_testfile .c
  20
  21 if [get_compiler_info] {
  22     return -1
  23 }
  24
  25 if [test_compiler_info "xlc-*"] {
  26     # By default, IBM'x xlc compiler doesn't add static variables into the symtab.
  27     # Use "-qstatsym" to do so.
  28     set exec_opts additional_flags=-qstatsym
  29 } else {
  30     set exec_opts ""
  31 }
  32
  33 if  { [gdb_compile $srcdir/$subdir/$srcfile $binfile executable $exec_opts] != "" } {
  34     untested "Couldn't compile $srcfile."
  35     return -1
  36 }
  37
  38 # Start with a fresh gdb.
  39
  40 clean_restart $binfile
  41
  42 if [runto inner] then {
  43
  44     # Expect to find global/local symbols in each of text/data/bss.
  45
  46     # The exact format for some of this output is not necessarily
  47     # ideal, particularly interpreting "p top" requires a fair bit of
  48     # savvy about gdb's workings and the meaning of the "{}"
  49     # construct.  So the details maybe could be tweaked.  But the
  50     # basic purpose should be maintained, which is (a) users should be
  51     # able to interact with these variables with some care (they have
  52     # to know how to interpret them according to their real type,
  53     # since gdb doesn't know the type), but (b) users should be able
  54     # to detect that gdb does not know the type, rather than just
  55     # being told they are ints or functions returning int like old
  56     # versions of gdb used to do.
  57
  58     # On alpha (and other ecoff systems) the native compilers put
  59     # out debugging info for non-aggregate return values of functions
  60     # even without -g, which should be accepted.
  61     # Irix5, even though it is ELF, counts as "ecoff" because it
  62     # encapsulates ecoff debugging info in a .mdebug section.
  63     # Irix6 gcc emits no debug info at all for static functions and
  64     # variables, so all tests involving statics fail.
  65
  66     if {![test_compiler_info "gcc-*"]} then { setup_xfail "mips-sgi-irix5*" "mips-sgi-irix6*" }
  67     gdb_test "p top" \
  68         "\{(<(text variable|function), no debug info>|short \\(int\\)|short \\(\\))\} \[0-9a-fx]* <\\.?top(\\(int\\)|)>"
  69     if {![test_compiler_info "gcc-*"]} then { setup_xfail "mips-sgi-irix5*" "mips-sgi-irix6*" }
  70     gdb_test "whatis top" \
  71         "(<(text variable|function), no debug info>|short \\(int\\)|short \\(\\))"
  72     if {![test_compiler_info "gcc-*"]} then { setup_xfail "mips-sgi-irix6*" }
  73     gdb_test "ptype top" "(short|int) \\((|void|int|<non-float parameter>|<non-float parameter>, <non-float parameter>)\\)"
  74
  75     if {![test_compiler_info "gcc-*"]} then { setup_xfail "mips-sgi-irix5*" }
  76     setup_xfail "mips-sgi-irix6*"
  77     gdb_test "p middle" \
  78         "\{(<(text variable|function), no debug info>|short \\(int\\)|short \\(\\))\} \[0-9a-fx]* <\\.?middle(\\(int\\)|)>"
  79     if {![test_compiler_info "gcc-*"]} then { setup_xfail "mips-sgi-irix5*" }
  80     setup_xfail "mips-sgi-irix6*"
  81     gdb_test "whatis middle" \
  82         "(<(text variable|function), no debug info>|short \\(int\\)|short \\(\\))"
  83     setup_xfail "mips-sgi-irix6*"
  84     gdb_test "ptype middle" "(short|int) \\((|void|int|<non-float parameter>|<non-float parameter>, <non-float parameter>)\\)"
  85
  86     gdb_test "p dataglobal" "= 3"
  87     gdb_test "whatis dataglobal" \
  88         "<(data variable|variable), no debug info>|int"
  89     gdb_test "ptype dataglobal" "<(data variable|variable), no debug info>|int"
  90
  91     # The only symbol xcoff puts out for statics is for the TOC entry.
  92     # Possible, but hairy, for gdb to deal.  Right now it doesn't, it
  93     # doesn't know the variables exist at all.
  94     setup_xfail "rs6000*-*-aix*"
  95     setup_xfail "powerpc*-*-aix*"
  96     if [test_compiler_info "gcc-*"] {
  97         setup_xfail "mips-sgi-irix6*"
  98     } else {
  99         setup_xfail "hppa*-*-hpux*"
 100     }
 101
 102     gdb_test "p datalocal" "= 4"
 103
 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 "whatis datalocal" "<(data variable|variable), no debug info>"
 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 "ptype datalocal" "<(data variable|variable), no debug info>"
 123     gdb_test "p bssglobal" "= 0"
 124     gdb_test "whatis bssglobal" "<(data variable|variable), no debug info>|int"
 125     gdb_test "ptype bssglobal" "<(data variable|variable), no debug info>|int"
 126
 127     setup_xfail "rs6000*-*-aix*"
 128     setup_xfail "powerpc*-*-aix*"
 129     if [test_compiler_info "gcc-*"] {
 130         setup_xfail "mips-sgi-irix6*"
 131     } else {
 132         setup_xfail "hppa*-*-hpux*"
 133     }
 134
 135     gdb_test "p bsslocal" "= 0"
 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 "whatis bsslocal" "<(data variable|variable), no debug info>"
 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     gdb_test "ptype bsslocal" "<(data variable|variable), no debug info>"
 155
 156     if [test_compiler_info "gcc-*"] {
 157         setup_xfail "mips-sgi-irix6*"
 158     }
 159
 160     gdb_test "backtrace 10" "#0.*inner.*#1.*middle.*#2.*top.*#3.*main.*" \
 161         "backtrace from inner in nodebug.exp"
 162     # Or if that doesn't work, at least hope for the external symbols
 163     # Commented out because if we aren't going to xfail the above test
 164     # ever, why bother with a weaker test?
 165     #gdb_test "backtrace 10" "#0.*inner.*#1.*#2.*top.*#3.*main.*" \
 166         #    "backtrace from inner in nodebug.exp for externals"
 167
 168     # This test is not as obscure as it might look.  `p getenv ("TERM")'
 169     # is a real-world example, at least on many systems.
 170     if { ! [test_compiler_info "gcc-*"]} {
 171         setup_xfail "mips-sgi-irix6*"
 172     }
 173     if [target_info exists gdb,cannot_call_functions] {
 174         setup_xfail "*-*-*" 2416
 175         fail "p/c array_index(\"abcdef\",2)"
 176     } else {
 177         #
 178         # On HP-UX, a support function (__d_plt_call) necessary to
 179         # implement an inferior call is normally only available when
 180         # the inferior was compiled with -g.  Thus, we expect this
 181         # testpoint to fail on HP-UX.
 182         if { [istarget "hppa*-hpux*"] } {
 183             gdb_test_multiple "p/c array_index(\"abcdef\",2)" \
 184                 "p/c array_index(\"abcdef\",2)" {
 185                     -re ".*Suggest linking executable with -g.*$gdb_prompt $" {
 186                         pass "p/c array_index(\"abcdef\",2)"
 187                     }
 188                     -re ".*Cannot find __wdb_call_dummy in.*end.o.*" {
 189                         pass "p/c array_index(\"abcdef\",2)"
 190                     }
 191                 -re ".*99 'c'.*" {
 192                     pass "p/c array_index(\"abcdef\",2)"
 193                 }
 194             }
 195         } else {
 196             # We need to up this because this can be really slow on some boards.
 197             # (malloc() is called as part of the test).
 198             set prev_timeout $timeout
 199             set timeout 60
 200             gdb_test {p/c array_index("abcdef",2)} " = 99 'c'"
 201             set timeout $prev_timeout
 202         }
 203     }
 204
 205     # Now, try that we can give names of file-local symbols which happen
 206     # to be unique, and have it still work
 207     if [test_compiler_info "gcc-*"] {
 208         setup_xfail "mips-sgi-irix6*"
 209     }
 210     if [runto middle] then {
 211         gdb_test "backtrace 10" "#0.*middle.*#1.*top.*#2.*main.*" \
 212             "backtrace from middle in nodebug.exp"
 213     }
 214 }