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
  62     gdb_test "p top" \
  63         "\{(<(text variable|function), no debug info>|short \\(int\\)|short \\(\\))\} \[0-9a-fx]* <\\.?top(\\(int\\)|)>"
  64     gdb_test "whatis top" \
  65         "(<(text variable|function), no debug info>|short \\(int\\)|short \\(\\))"
  66     gdb_test "ptype top" "(short|int) \\((|void|int|<non-float parameter>|<non-float parameter>, <non-float parameter>)\\)"
  67
  68     gdb_test "p middle" \
  69         "\{(<(text variable|function), no debug info>|short \\(int\\)|short \\(\\))\} \[0-9a-fx]* <\\.?middle(\\(int\\)|)>"
  70     gdb_test "whatis middle" \
  71         "(<(text variable|function), no debug info>|short \\(int\\)|short \\(\\))"
  72     gdb_test "ptype middle" "(short|int) \\((|void|int|<non-float parameter>|<non-float parameter>, <non-float parameter>)\\)"
  73
  74     gdb_test "p dataglobal" "= 3"
  75     gdb_test "whatis dataglobal" \
  76         "<(data variable|variable), no debug info>|int"
  77     gdb_test "ptype dataglobal" "<(data variable|variable), no debug info>|int"
  78
  79     # The only symbol xcoff puts out for statics is for the TOC entry.
  80     # Possible, but hairy, for gdb to deal.  Right now it doesn't, it
  81     # doesn't know the variables exist at all.
  82     setup_xfail "rs6000*-*-aix*"
  83     setup_xfail "powerpc*-*-aix*"
  84     if ![test_compiler_info "gcc-*"] {
  85         setup_xfail "hppa*-*-hpux*"
  86     }
  87
  88     gdb_test "p datalocal" "= 4"
  89
  90     setup_xfail "rs6000*-*-aix*"
  91     setup_xfail "powerpc*-*-aix*"
  92     if ![test_compiler_info "gcc-*"] {
  93         setup_xfail "hppa*-*-hpux*"
  94     }
  95
  96     gdb_test "whatis datalocal" "<(data variable|variable), no debug info>"
  97
  98     setup_xfail "rs6000*-*-aix*"
  99     setup_xfail "powerpc*-*-aix*"
 100     if ![test_compiler_info "gcc-*"] {
 101         setup_xfail "hppa*-*-hpux*"
 102     }
 103
 104     gdb_test "ptype datalocal" "<(data variable|variable), no debug info>"
 105     gdb_test "p bssglobal" "= 0"
 106     gdb_test "whatis bssglobal" "<(data variable|variable), no debug info>|int"
 107     gdb_test "ptype bssglobal" "<(data variable|variable), no debug info>|int"
 108
 109     setup_xfail "rs6000*-*-aix*"
 110     setup_xfail "powerpc*-*-aix*"
 111     if ![test_compiler_info "gcc-*"] {
 112         setup_xfail "hppa*-*-hpux*"
 113     }
 114
 115     gdb_test "p bsslocal" "= 0"
 116
 117     setup_xfail "rs6000*-*-aix*"
 118     setup_xfail "powerpc*-*-aix*"
 119     if ![test_compiler_info "gcc-*"] {
 120         setup_xfail "hppa*-*-hpux*"
 121     }
 122
 123     gdb_test "whatis bsslocal" "<(data variable|variable), no debug info>"
 124
 125     setup_xfail "rs6000*-*-aix*"
 126     setup_xfail "powerpc*-*-aix*"
 127     if ![test_compiler_info "gcc-*"] {
 128         setup_xfail "hppa*-*-hpux*"
 129     }
 130     gdb_test "ptype bsslocal" "<(data variable|variable), no debug info>"
 131
 132     gdb_test "backtrace 10" "#0.*inner.*#1.*middle.*#2.*top.*#3.*main.*" \
 133         "backtrace from inner in nodebug.exp"
 134     # Or if that doesn't work, at least hope for the external symbols
 135     # Commented out because if we aren't going to xfail the above test
 136     # ever, why bother with a weaker test?
 137     #gdb_test "backtrace 10" "#0.*inner.*#1.*#2.*top.*#3.*main.*" \
 138         #    "backtrace from inner in nodebug.exp for externals"
 139
 140     # This test is not as obscure as it might look.  `p getenv ("TERM")'
 141     # is a real-world example, at least on many systems.
 142     if [target_info exists gdb,cannot_call_functions] {
 143         setup_xfail "*-*-*" 2416
 144         fail "p/c array_index(\"abcdef\",2)"
 145     } else {
 146         #
 147         # On HP-UX, a support function (__d_plt_call) necessary to
 148         # implement an inferior call is normally only available when
 149         # the inferior was compiled with -g.  Thus, we expect this
 150         # testpoint to fail on HP-UX.
 151         if { [istarget "hppa*-hpux*"] } {
 152             gdb_test_multiple "p/c array_index(\"abcdef\",2)" \
 153                 "p/c array_index(\"abcdef\",2)" {
 154                     -re ".*Suggest linking executable with -g.*$gdb_prompt $" {
 155                         pass "p/c array_index(\"abcdef\",2)"
 156                     }
 157                     -re ".*Cannot find __wdb_call_dummy in.*end.o.*" {
 158                         pass "p/c array_index(\"abcdef\",2)"
 159                     }
 160                 -re ".*99 'c'.*" {
 161                     pass "p/c array_index(\"abcdef\",2)"
 162                 }
 163             }
 164         } else {
 165             # We need to up this because this can be really slow on some boards.
 166             # (malloc() is called as part of the test).
 167             set prev_timeout $timeout
 168             set timeout 60
 169             gdb_test {p/c array_index("abcdef",2)} " = 99 'c'"
 170             set timeout $prev_timeout
 171         }
 172     }
 173
 174     # Now, try that we can give names of file-local symbols which happen
 175     # to be unique, and have it still work
 176     if [runto middle] then {
 177         gdb_test "backtrace 10" "#0.*middle.*#1.*top.*#2.*main.*" \
 178             "backtrace from middle in nodebug.exp"
 179     }
 180 }